diff options
Diffstat (limited to 'external/libevent_files')
| -rw-r--r-- | external/libevent_files/Android.mk | 47 | ||||
| -rw-r--r-- | external/libevent_files/AndroidManifest.xml | 0 | ||||
| -rw-r--r-- | external/libevent_files/Application.mk | 5 | ||||
| -rw-r--r-- | external/libevent_files/android/event2/config.h | 440 | ||||
| -rw-r--r-- | external/libevent_files/android/event2/event-config.h | 464 | ||||
| -rw-r--r-- | external/libevent_files/arc4random.c | 555 | ||||
| -rw-r--r-- | external/libevent_files/evutil.c | 2190 | ||||
| -rw-r--r-- | external/libevent_files/evutil_rand.c | 182 |
8 files changed, 0 insertions, 3883 deletions
diff --git a/external/libevent_files/Android.mk b/external/libevent_files/Android.mk deleted file mode 100644 index 87b06f06..00000000 --- a/external/libevent_files/Android.mk +++ /dev/null @@ -1,47 +0,0 @@ -#################################### -# Build libevent as separate library - -LOCAL_PATH := $(call my-dir) - -include $(CLEAR_VARS) - -LOCAL_MODULE:= event -LOCAL_MODULE_TAGS:= optional - -LOCAL_SRC_FILES := \ - arc4random.c \ - buffer.c \ - bufferevent.c \ - bufferevent_filter.c \ - bufferevent_openssl.c \ - bufferevent_pair.c \ - bufferevent_ratelim.c \ - bufferevent_sock.c \ - epoll.c \ - epoll_sub.c \ - evdns.c \ - event.c \ - event_tagging.c \ - evmap.c \ - evrpc.c \ - evthread.c \ - evthread_pthread.c \ - evutil.c \ - evutil_rand.c \ - http.c \ - listener.c \ - log.c \ - poll.c \ - select.c \ - signal.c \ - strlcpy.c - -LOCAL_C_INCLUDES := \ - $(LOCAL_PATH) \ - $(LOCAL_PATH)/android \ - $(LOCAL_PATH)/include \ - $(DISTILLERY_ROOT_DIR)/usr/include - -LOCAL_CFLAGS := -DHAVE_CONFIG_H -DANDROID -fvisibility=hidden - -include $(BUILD_STATIC_LIBRARY) diff --git a/external/libevent_files/AndroidManifest.xml b/external/libevent_files/AndroidManifest.xml deleted file mode 100644 index e69de29b..00000000 --- a/external/libevent_files/AndroidManifest.xml +++ /dev/null diff --git a/external/libevent_files/Application.mk b/external/libevent_files/Application.mk deleted file mode 100644 index 866e083c..00000000 --- a/external/libevent_files/Application.mk +++ /dev/null @@ -1,5 +0,0 @@ -APP_BUILD_SCRIPT := Android.mk -APP_ABI := armeabi-v7a -APP_PLATFORM := android-23 -APP_STL := gnustl_shared -APP_CPPFLAGS += -fexceptions -frtti -std=c++11 -Wno-deprecated-declarations diff --git a/external/libevent_files/android/event2/config.h b/external/libevent_files/android/event2/config.h deleted file mode 100644 index e601874c..00000000 --- a/external/libevent_files/android/event2/config.h +++ /dev/null @@ -1,440 +0,0 @@ -/* config.h. Generated from config.h.in by configure. */ -/* config.h.in. Generated from configure.in by autoheader. */ - -/* Define if libevent should build without support for a debug mode */ -/* #undef DISABLE_DEBUG_MODE */ - -/* Define if libevent should not allow replacing the mm functions */ -/* #undef DISABLE_MM_REPLACEMENT */ - -/* Define if libevent should not be compiled with thread support */ -/* #undef DISABLE_THREAD_SUPPORT */ - -/* Define to 1 if you have the `arc4random' function. */ -#define HAVE_ARC4RANDOM 1 - -/* Define to 1 if you have the `arc4random_buf' function. */ -#define HAVE_ARC4RANDOM_BUF 1 - -/* Define to 1 if you have the <arpa/inet.h> header file. */ -#define HAVE_ARPA_INET_H 1 - -/* Define to 1 if you have the `clock_gettime' function. */ -#define HAVE_CLOCK_GETTIME 1 - -/* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you - don't. */ -/* #undef HAVE_DECL_CTL_KERN */ - -/* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you - don't. */ -/* #undef HAVE_DECL_KERN_ARND */ - -/* Define to 1 if you have the declaration of `KERN_RANDOM', and to 0 if you - don't. */ -/* #undef HAVE_DECL_KERN_RANDOM */ - -/* Define to 1 if you have the declaration of `RANDOM_UUID', and to 0 if you - don't. */ -/* #undef HAVE_DECL_RANDOM_UUID */ - -/* Define if /dev/poll is available */ -/* #undef HAVE_DEVPOLL */ - -/* Define to 1 if you have the <dlfcn.h> header file. */ -#define HAVE_DLFCN_H 1 - -/* Define if your system supports the epoll system calls */ -#define HAVE_EPOLL 1 - -/* Define to 1 if you have the `epoll_ctl' function. */ -#define HAVE_EPOLL_CTL 1 - -/* Define to 1 if you have the `eventfd' function. */ -#define HAVE_EVENTFD 1 - -/* Define if your system supports event ports */ -/* #undef HAVE_EVENT_PORTS */ - -/* Define to 1 if you have the `fcntl' function. */ -#define HAVE_FCNTL 1 - -/* Define to 1 if you have the <fcntl.h> header file. */ -#define HAVE_FCNTL_H 1 - -/* Define to 1 if the system has the type `fd_mask'. */ -/* #undef HAVE_FD_MASK */ - -/* Do we have getaddrinfo()? */ -#define HAVE_GETADDRINFO 1 - -/* Define to 1 if you have the `getegid' function. */ -#define HAVE_GETEGID 1 - -/* Define to 1 if you have the `geteuid' function. */ -#define HAVE_GETEUID 1 - -/* Define this if you have any gethostbyname_r() */ -/* #undef HAVE_GETHOSTBYNAME_R */ - -/* Define this if gethostbyname_r takes 3 arguments */ -/* #undef HAVE_GETHOSTBYNAME_R_3_ARG */ - -/* Define this if gethostbyname_r takes 5 arguments */ -/* #undef HAVE_GETHOSTBYNAME_R_5_ARG */ - -/* Define this if gethostbyname_r takes 6 arguments */ -/* #undef HAVE_GETHOSTBYNAME_R_6_ARG */ - -/* Define to 1 if you have the `getnameinfo' function. */ -#define HAVE_GETNAMEINFO 1 - -/* Define to 1 if you have the `getprotobynumber' function. */ -#define HAVE_GETPROTOBYNUMBER 1 - -/* Define to 1 if you have the `getservbyname' function. */ -/* #undef HAVE_GETSERVBYNAME */ - -/* Define to 1 if you have the `gettimeofday' function. */ -#define HAVE_GETTIMEOFDAY 1 - -/* Define to 1 if you have the `inet_aton' function. */ -#define HAVE_INET_ATON 1 - -/* Define to 1 if you have the `inet_ntop' function. */ -#define HAVE_INET_NTOP 1 - -/* Define to 1 if you have the `inet_pton' function. */ -#define HAVE_INET_PTON 1 - -/* Define to 1 if you have the <inttypes.h> header file. */ -#define HAVE_INTTYPES_H 1 - -/* Define to 1 if you have the `issetugid' function. */ -#define HAVE_ISSETUGID 1 - -/* Define to 1 if you have the `kqueue' function. */ -/* #undef HAVE_KQUEUE */ - -/* Define if the system has zlib */ -/* #undef HAVE_LIBZ */ - -/* Define to 1 if you have the <memory.h> header file. */ -#define HAVE_MEMORY_H 1 - -/* Define to 1 if you have the `mmap' function. */ -#define HAVE_MMAP 1 - -/* Define to 1 if you have the <netdb.h> header file. */ -#define HAVE_NETDB_H 1 - -/* Define to 1 if you have the <netinet/in6.h> header file. */ -#define HAVE_NETINET_IN6_H 1 - -/* Define to 1 if you have the <netinet/in.h> header file. */ -#define HAVE_NETINET_IN_H 1 - -/* Define if the system has openssl */ -/* #undef HAVE_OPENSSL */ - -/* Define to 1 if you have the <openssl/bio.h> header file. */ -/* #undef HAVE_OPENSSL_BIO_H */ - -/* Define to 1 if you have the `pipe' function. */ -#define HAVE_PIPE 1 - -/* Define to 1 if you have the `poll' function. */ -#define HAVE_POLL 1 - -/* Define to 1 if you have the <poll.h> header file. */ -#define HAVE_POLL_H 1 - -/* Define to 1 if you have the `port_create' function. */ -/* #undef HAVE_PORT_CREATE */ - -/* Define to 1 if you have the <port.h> header file. */ -/* #undef HAVE_PORT_H */ - -/* Define if you have POSIX threads libraries and header files. */ -/* #undef HAVE_PTHREAD */ - -/* Define if we have pthreads on this system */ -#define HAVE_PTHREADS 1 - -/* Define to 1 if you have the `putenv' function. */ -#define HAVE_PUTENV 1 - -/* Define to 1 if the system has the type `sa_family_t'. */ -#define HAVE_SA_FAMILY_T 1 - -/* Define to 1 if you have the `select' function. */ -#define HAVE_SELECT 1 - -/* Define to 1 if you have the `sendfile' function. */ -#define HAVE_SENDFILE 1 - -/* Define to 1 if you have the `setenv' function. */ -#define HAVE_SETENV 1 - -/* Define if F_SETFD is defined in <fcntl.h> */ -#define HAVE_SETFD 1 - -/* Define to 1 if you have the `sigaction' function. */ -#define HAVE_SIGACTION 1 - -/* Define to 1 if you have the `signal' function. */ -/* #undef HAVE_SIGNAL */ - -/* Define to 1 if you have the `splice' function. */ -/* #undef HAVE_SPLICE */ - -/* Define to 1 if you have the <stdarg.h> header file. */ -#define HAVE_STDARG_H 1 - -/* Define to 1 if you have the <stddef.h> header file. */ -#define HAVE_STDDEF_H 1 - -/* Define to 1 if you have the <stdint.h> header file. */ -#define HAVE_STDINT_H 1 - -/* Define to 1 if you have the <stdlib.h> header file. */ -#define HAVE_STDLIB_H 1 - -/* Define to 1 if you have the <strings.h> header file. */ -#define HAVE_STRINGS_H 1 - -/* Define to 1 if you have the <string.h> header file. */ -#define HAVE_STRING_H 1 - -/* Define to 1 if you have the `strlcpy' function. */ -#define HAVE_STRLCPY 1 - -/* Define to 1 if you have the `strsep' function. */ -#define HAVE_STRSEP 1 - -/* Define to 1 if you have the `strtok_r' function. */ -#define HAVE_STRTOK_R 1 - -/* Define to 1 if you have the `strtoll' function. */ -#define HAVE_STRTOLL 1 - -/* Define to 1 if the system has the type `struct addrinfo'. */ -#define HAVE_STRUCT_ADDRINFO 1 - -/* Define to 1 if the system has the type `struct in6_addr'. */ -#define HAVE_STRUCT_IN6_ADDR 1 - -/* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */ -#define HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1 - -/* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */ -#define HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1 - -/* Define to 1 if the system has the type `struct sockaddr_in6'. */ -#define HAVE_STRUCT_SOCKADDR_IN6 1 - -/* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */ -/* #undef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */ - -/* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */ -/* #undef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ - -/* Define to 1 if the system has the type `struct sockaddr_storage'. */ -#define HAVE_STRUCT_SOCKADDR_STORAGE 1 - -/* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */ -#define HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1 - -/* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */ -/* #undef HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */ - -/* Define to 1 if you have the `sysctl' function. */ -/* #undef HAVE_SYSCTL */ - -/* Define to 1 if you have the <sys/devpoll.h> header file. */ -/* #undef HAVE_SYS_DEVPOLL_H */ - -/* Define to 1 if you have the <sys/epoll.h> header file. */ -#define HAVE_SYS_EPOLL_H 1 - -/* Define to 1 if you have the <sys/eventfd.h> header file. */ -#define HAVE_SYS_EVENTFD_H 1 - -/* Define to 1 if you have the <sys/event.h> header file. */ -/* #undef HAVE_SYS_EVENT_H */ - -/* Define to 1 if you have the <sys/ioctl.h> header file. */ -#define HAVE_SYS_IOCTL_H 1 - -/* Define to 1 if you have the <sys/mman.h> header file. */ -#define HAVE_SYS_MMAN_H 1 - -/* Define to 1 if you have the <sys/param.h> header file. */ -#define HAVE_SYS_PARAM_H 1 - -/* Define to 1 if you have the <sys/queue.h> header file. */ -#define HAVE_SYS_QUEUE_H 1 - -/* Define to 1 if you have the <sys/select.h> header file. */ -#define HAVE_SYS_SELECT_H 1 - -/* Define to 1 if you have the <sys/sendfile.h> header file. */ -#define HAVE_SYS_SENDFILE_H 1 - -/* Define to 1 if you have the <sys/socket.h> header file. */ -#define HAVE_SYS_SOCKET_H 1 - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#define HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the <sys/sysctl.h> header file. */ -/* #undef HAVE_SYS_SYSCTL_H */ - -/* Define to 1 if you have the <sys/time.h> header file. */ -#define HAVE_SYS_TIME_H 1 - -/* Define to 1 if you have the <sys/types.h> header file. */ -#define HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the <sys/uio.h> header file. */ -#define HAVE_SYS_UIO_H 1 - -/* Define to 1 if you have the <sys/wait.h> header file. */ -#define HAVE_SYS_WAIT_H 1 - -/* Define if TAILQ_FOREACH is defined in <sys/queue.h> */ -#define HAVE_TAILQFOREACH 1 - -/* Define if timeradd is defined in <sys/time.h> */ -#define HAVE_TIMERADD 1 - -/* Define if timerclear is defined in <sys/time.h> */ -#define HAVE_TIMERCLEAR 1 - -/* Define if timercmp is defined in <sys/time.h> */ -#define HAVE_TIMERCMP 1 - -/* Define if timerisset is defined in <sys/time.h> */ -#define HAVE_TIMERISSET 1 - -/* Define to 1 if the system has the type `uint16_t'. */ -#define HAVE_UINT16_T 1 - -/* Define to 1 if the system has the type `uint32_t'. */ -#define HAVE_UINT32_T 1 - -/* Define to 1 if the system has the type `uint64_t'. */ -#define HAVE_UINT64_T 1 - -/* Define to 1 if the system has the type `uint8_t'. */ -#define HAVE_UINT8_T 1 - -/* Define to 1 if the system has the type `uintptr_t'. */ -#define HAVE_UINTPTR_T 1 - -/* Define to 1 if you have the `umask' function. */ -#define HAVE_UMASK 1 - -/* Define to 1 if you have the <unistd.h> header file. */ -#define HAVE_UNISTD_H 1 - -/* Define to 1 if you have the `unsetenv' function. */ -#define HAVE_UNSETENV 1 - -/* Define to 1 if you have the `vasprintf' function. */ -#define HAVE_VASPRINTF 1 - -/* Define if kqueue works correctly with pipes */ -/* #undef HAVE_WORKING_KQUEUE */ - -/* Define to 1 if you have the <zlib.h> header file. */ -/* #undef HAVE_ZLIB_H */ - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#define LT_OBJDIR ".libs/" - -/* Define to 1 if your C compiler doesn't accept -c and -o together. */ -/* #undef NO_MINUS_C_MINUS_O */ - -/* Numeric representation of the version */ -#define NUMERIC_VERSION 0x02001400 - -/* Name of package */ -#define PACKAGE "libevent" - -/* Define to the address where bug reports for this package should be sent. */ -#define PACKAGE_BUGREPORT "" - -/* Define to the full name of this package. */ -#define PACKAGE_NAME "" - -/* Define to the full name and version of this package. */ -#define PACKAGE_STRING "" - -/* Define to the one symbol short name of this package. */ -#define PACKAGE_TARNAME "" - -/* Define to the home page for this package. */ -#define PACKAGE_URL "" - -/* Define to the version of this package. */ -#define PACKAGE_VERSION "" - -/* Define to necessary symbol if this constant uses a non-standard name on - your system. */ -/* #undef PTHREAD_CREATE_JOINABLE */ - -/* The size of `int', as computed by sizeof. */ -#define SIZEOF_INT 4 - -/* The size of `long', as computed by sizeof. */ -#define SIZEOF_LONG 4 - -/* The size of `long long', as computed by sizeof. */ -#define SIZEOF_LONG_LONG 8 - -/* The size of `pthread_t', as computed by sizeof. */ -#define SIZEOF_PTHREAD_T 4 - -/* The size of `short', as computed by sizeof. */ -#define SIZEOF_SHORT 2 - -/* The size of `size_t', as computed by sizeof. */ -#define SIZEOF_SIZE_T 4 - -/* The size of `void *', as computed by sizeof. */ -#define SIZEOF_VOID_P 4 - -/* Define to 1 if you have the ANSI C header files. */ -#define STDC_HEADERS 1 - -/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */ -#define TIME_WITH_SYS_TIME 1 - -/* Version number of package */ -#define VERSION "2.0.20-stable" - -/* Define to appropriate substitue if compiler doesnt have __func__ */ -/* #undef __func__ */ - -/* Define to empty if `const' does not conform to ANSI C. */ -/* #undef const */ - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef __cplusplus -/* #undef inline */ -#endif - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef pid_t */ - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -/* #undef size_t */ - -/* Define to unsigned int if you dont have it */ -/* #undef socklen_t */ - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef ssize_t */ diff --git a/external/libevent_files/android/event2/event-config.h b/external/libevent_files/android/event2/event-config.h deleted file mode 100644 index 14cd020e..00000000 --- a/external/libevent_files/android/event2/event-config.h +++ /dev/null @@ -1,464 +0,0 @@ -/* event2/event-config.h - * - * This file was generated by autoconf when libevent was built, and post- - * processed by Libevent so that its macros would have a uniform prefix. - * - * DO NOT EDIT THIS FILE. - * - * Do not rely on macros in this file existing in later versions. - */ - -/* unfortunately, Android doesn't define a TAILQ_END, so add this here. - * hopefully bionic is fixed or someone reads this message before - * regenerating this file: - */ -#ifndef TAILQ_END -#define TAILQ_END(head) (NULL) -#endif -/* end android compat */ - -#ifndef _EVENT2_EVENT_CONFIG_H_ -#define _EVENT2_EVENT_CONFIG_H_ - -/* config.h. Generated from config.h.in by configure. */ -/* config.h.in. Generated from configure.in by autoheader. */ - -/* Define if libevent should build without support for a debug mode */ -/* #undef _EVENT_DISABLE_DEBUG_MODE */ - -/* Define if libevent should not allow replacing the mm functions */ -/* #undef _EVENT_DISABLE_MM_REPLACEMENT */ - -/* Define if libevent should not be compiled with thread support */ -/* #undef _EVENT_DISABLE_THREAD_SUPPORT */ - -/* Define to 1 if you have the `arc4random' function. */ -#define _EVENT_HAVE_ARC4RANDOM 1 - -/* Define to 1 if you have the `arc4random_buf' function. */ -#define _EVENT_HAVE_ARC4RANDOM_BUF 1 - -/* Define to 1 if you have the <arpa/inet.h> header file. */ -#define _EVENT_HAVE_ARPA_INET_H 1 - -/* Define to 1 if you have the `clock_gettime' function. */ -#define _EVENT_HAVE_CLOCK_GETTIME 1 - -/* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you - don't. */ -/* #undef _EVENT_HAVE_DECL_CTL_KERN */ - -/* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you - don't. */ -/* #undef _EVENT_HAVE_DECL_KERN_ARND */ - -/* Define to 1 if you have the declaration of `KERN_RANDOM', and to 0 if you - don't. */ -/* #undef _EVENT_HAVE_DECL_KERN_RANDOM */ - -/* Define to 1 if you have the declaration of `RANDOM_UUID', and to 0 if you - don't. */ -/* #undef _EVENT_HAVE_DECL_RANDOM_UUID */ - -/* Define if /dev/poll is available */ -/* #undef _EVENT_HAVE_DEVPOLL */ - -/* Define to 1 if you have the <dlfcn.h> header file. */ -#define _EVENT_HAVE_DLFCN_H 1 - -/* Define if your system supports the epoll system calls */ -#define _EVENT_HAVE_EPOLL 1 - -/* Define to 1 if you have the `epoll_ctl' function. */ -#define _EVENT_HAVE_EPOLL_CTL 1 - -/* Define to 1 if you have the `eventfd' function. */ -#define _EVENT_HAVE_EVENTFD 1 - -/* Define if your system supports event ports */ -/* #undef _EVENT_HAVE_EVENT_PORTS */ - -/* Define to 1 if you have the `fcntl' function. */ -#define _EVENT_HAVE_FCNTL 1 - -/* Define to 1 if you have the <fcntl.h> header file. */ -#define _EVENT_HAVE_FCNTL_H 1 - -/* Define to 1 if the system has the type `fd_mask'. */ -/* #undef _EVENT_HAVE_FD_MASK */ - -/* Do we have getaddrinfo()? */ -#define _EVENT_HAVE_GETADDRINFO 1 - -/* Define to 1 if you have the `getegid' function. */ -#define _EVENT_HAVE_GETEGID 1 - -/* Define to 1 if you have the `geteuid' function. */ -#define _EVENT_HAVE_GETEUID 1 - -/* Define this if you have any gethostbyname_r() */ -/* #undef _EVENT_HAVE_GETHOSTBYNAME_R */ - -/* Define this if gethostbyname_r takes 3 arguments */ -/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_3_ARG */ - -/* Define this if gethostbyname_r takes 5 arguments */ -/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_5_ARG */ - -/* Define this if gethostbyname_r takes 6 arguments */ -/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG */ - -/* Define to 1 if you have the `getnameinfo' function. */ -#define _EVENT_HAVE_GETNAMEINFO 1 - -/* Define to 1 if you have the `getprotobynumber' function. */ -#define _EVENT_HAVE_GETPROTOBYNUMBER 1 - -/* Define to 1 if you have the `getservbyname' function. */ -/* #undef _EVENT_HAVE_GETSERVBYNAME */ - -/* Define to 1 if you have the `gettimeofday' function. */ -#define _EVENT_HAVE_GETTIMEOFDAY 1 - -/* Define to 1 if you have the `inet_aton' function. */ -#define _EVENT_HAVE_INET_ATON 1 - -/* Define to 1 if you have the `inet_ntop' function. */ -#define _EVENT_HAVE_INET_NTOP 1 - -/* Define to 1 if you have the `inet_pton' function. */ -#define _EVENT_HAVE_INET_PTON 1 - -/* Define to 1 if you have the <inttypes.h> header file. */ -#define _EVENT_HAVE_INTTYPES_H 1 - -/* Define to 1 if you have the `issetugid' function. */ -#define _EVENT_HAVE_ISSETUGID 1 - -/* Define to 1 if you have the `kqueue' function. */ -/* #undef _EVENT_HAVE_KQUEUE */ - -/* Define if the system has zlib */ -/* #undef _EVENT_HAVE_LIBZ */ - -/* Define to 1 if you have the <memory.h> header file. */ -#define _EVENT_HAVE_MEMORY_H 1 - -/* Define to 1 if you have the `mmap' function. */ -#define _EVENT_HAVE_MMAP 1 - -/* Define to 1 if you have the <netdb.h> header file. */ -#define _EVENT_HAVE_NETDB_H 1 - -/* Define to 1 if you have the <netinet/in6.h> header file. */ -#define _EVENT_HAVE_NETINET_IN6_H 1 - -/* Define to 1 if you have the <netinet/in.h> header file. */ -#define _EVENT_HAVE_NETINET_IN_H 1 - -/* Define if the system has openssl */ -/* #undef _EVENT_HAVE_OPENSSL */ - -/* Define to 1 if you have the <openssl/bio.h> header file. */ -/* #undef _EVENT_HAVE_OPENSSL_BIO_H */ - -/* Define to 1 if you have the `pipe' function. */ -#define _EVENT_HAVE_PIPE 1 - -/* Define to 1 if you have the `poll' function. */ -#define _EVENT_HAVE_POLL 1 - -/* Define to 1 if you have the <poll.h> header file. */ -#define _EVENT_HAVE_POLL_H 1 - -/* Define to 1 if you have the `port_create' function. */ -/* #undef _EVENT_HAVE_PORT_CREATE */ - -/* Define to 1 if you have the <port.h> header file. */ -/* #undef _EVENT_HAVE_PORT_H */ - -/* Define if you have POSIX threads libraries and header files. */ -/* #undef _EVENT_HAVE_PTHREAD */ - -/* Define if we have pthreads on this system */ -#define _EVENT_HAVE_PTHREADS 1 - -/* Define to 1 if you have the `putenv' function. */ -#define _EVENT_HAVE_PUTENV 1 - -/* Define to 1 if the system has the type `sa_family_t'. */ -#define _EVENT_HAVE_SA_FAMILY_T 1 - -/* Define to 1 if you have the `select' function. */ -#define _EVENT_HAVE_SELECT 1 - -/* Define to 1 if you have the `sendfile' function. */ -#define _EVENT_HAVE_SENDFILE 1 - -/* Define to 1 if you have the `setenv' function. */ -#define _EVENT_HAVE_SETENV 1 - -/* Define if F_SETFD is defined in <fcntl.h> */ -#define _EVENT_HAVE_SETFD 1 - -/* Define to 1 if you have the `sigaction' function. */ -#define _EVENT_HAVE_SIGACTION 1 - -/* Define to 1 if you have the `signal' function. */ -/* #undef _EVENT_HAVE_SIGNAL */ - -/* Define to 1 if you have the `splice' function. */ -/* #undef _EVENT_HAVE_SPLICE */ - -/* Define to 1 if you have the <stdarg.h> header file. */ -#define _EVENT_HAVE_STDARG_H 1 - -/* Define to 1 if you have the <stddef.h> header file. */ -#define _EVENT_HAVE_STDDEF_H 1 - -/* Define to 1 if you have the <stdint.h> header file. */ -#define _EVENT_HAVE_STDINT_H 1 - -/* Define to 1 if you have the <stdlib.h> header file. */ -#define _EVENT_HAVE_STDLIB_H 1 - -/* Define to 1 if you have the <strings.h> header file. */ -#define _EVENT_HAVE_STRINGS_H 1 - -/* Define to 1 if you have the <string.h> header file. */ -#define _EVENT_HAVE_STRING_H 1 - -/* Define to 1 if you have the `strlcpy' function. */ -#define _EVENT_HAVE_STRLCPY 1 - -/* Define to 1 if you have the `strsep' function. */ -#define _EVENT_HAVE_STRSEP 1 - -/* Define to 1 if you have the `strtok_r' function. */ -#define _EVENT_HAVE_STRTOK_R 1 - -/* Define to 1 if you have the `strtoll' function. */ -#define _EVENT_HAVE_STRTOLL 1 - -/* Define to 1 if the system has the type `struct addrinfo'. */ -#define _EVENT_HAVE_STRUCT_ADDRINFO 1 - -/* Define to 1 if the system has the type `struct in6_addr'. */ -#define _EVENT_HAVE_STRUCT_IN6_ADDR 1 - -/* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */ -#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1 - -/* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */ -#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1 - -/* Define to 1 if the system has the type `struct sockaddr_in6'. */ -#define _EVENT_HAVE_STRUCT_SOCKADDR_IN6 1 - -/* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */ -/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */ - -/* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */ -/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ - -/* Define to 1 if the system has the type `struct sockaddr_storage'. */ -#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE 1 - -/* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */ -#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1 - -/* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */ -/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */ - -/* Define to 1 if you have the `sysctl' function. */ -/* #undef _EVENT_HAVE_SYSCTL */ - -/* Define to 1 if you have the <sys/devpoll.h> header file. */ -/* #undef _EVENT_HAVE_SYS_DEVPOLL_H */ - -/* Define to 1 if you have the <sys/epoll.h> header file. */ -#define _EVENT_HAVE_SYS_EPOLL_H 1 - -/* Define to 1 if you have the <sys/eventfd.h> header file. */ -#define _EVENT_HAVE_SYS_EVENTFD_H 1 - -/* Define to 1 if you have the <sys/event.h> header file. */ -/* #undef _EVENT_HAVE_SYS_EVENT_H */ - -/* Define to 1 if you have the <sys/ioctl.h> header file. */ -#define _EVENT_HAVE_SYS_IOCTL_H 1 - -/* Define to 1 if you have the <sys/mman.h> header file. */ -#define _EVENT_HAVE_SYS_MMAN_H 1 - -/* Define to 1 if you have the <sys/param.h> header file. */ -#define _EVENT_HAVE_SYS_PARAM_H 1 - -/* Define to 1 if you have the <sys/queue.h> header file. */ -#define _EVENT_HAVE_SYS_QUEUE_H 1 - -/* Define to 1 if you have the <sys/select.h> header file. */ -#define _EVENT_HAVE_SYS_SELECT_H 1 - -/* Define to 1 if you have the <sys/sendfile.h> header file. */ -#define _EVENT_HAVE_SYS_SENDFILE_H 1 - -/* Define to 1 if you have the <sys/socket.h> header file. */ -#define _EVENT_HAVE_SYS_SOCKET_H 1 - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#define _EVENT_HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the <sys/sysctl.h> header file. */ -/* #undef _EVENT_HAVE_SYS_SYSCTL_H */ - -/* Define to 1 if you have the <sys/time.h> header file. */ -#define _EVENT_HAVE_SYS_TIME_H 1 - -/* Define to 1 if you have the <sys/types.h> header file. */ -#define _EVENT_HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the <sys/uio.h> header file. */ -#define _EVENT_HAVE_SYS_UIO_H 1 - -/* Define to 1 if you have the <sys/wait.h> header file. */ -#define _EVENT_HAVE_SYS_WAIT_H 1 - -/* Define if TAILQ_FOREACH is defined in <sys/queue.h> */ -/*#undef _EVENT_HAVE_TAILQFOREACH*/ - -/* Define if timeradd is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERADD 1 - -/* Define if timerclear is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERCLEAR 1 - -/* Define if timercmp is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERCMP 1 - -/* Define if timerisset is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERISSET 1 - -/* Define to 1 if the system has the type `uint16_t'. */ -#define _EVENT_HAVE_UINT16_T 1 - -/* Define to 1 if the system has the type `uint32_t'. */ -#define _EVENT_HAVE_UINT32_T 1 - -/* Define to 1 if the system has the type `uint64_t'. */ -#define _EVENT_HAVE_UINT64_T 1 - -/* Define to 1 if the system has the type `uint8_t'. */ -#define _EVENT_HAVE_UINT8_T 1 - -/* Define to 1 if the system has the type `uintptr_t'. */ -#define _EVENT_HAVE_UINTPTR_T 1 - -/* Define to 1 if you have the `umask' function. */ -#define _EVENT_HAVE_UMASK 1 - -/* Define to 1 if you have the <unistd.h> header file. */ -#define _EVENT_HAVE_UNISTD_H 1 - -/* Define to 1 if you have the `unsetenv' function. */ -#define _EVENT_HAVE_UNSETENV 1 - -/* Define to 1 if you have the `vasprintf' function. */ -#define _EVENT_HAVE_VASPRINTF 1 - -/* Define if kqueue works correctly with pipes */ -/* #undef _EVENT_HAVE_WORKING_KQUEUE */ - -/* Define to 1 if you have the <zlib.h> header file. */ -/* #undef _EVENT_HAVE_ZLIB_H */ - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#define _EVENT_LT_OBJDIR ".libs/" - -/* Define to 1 if your C compiler doesn't accept -c and -o together. */ -/* #undef _EVENT_NO_MINUS_C_MINUS_O */ - -/* Numeric representation of the version */ -#define _EVENT_NUMERIC_VERSION 0x02001400 - -/* Name of package */ -#define _EVENT_PACKAGE "libevent" - -/* Define to the address where bug reports for this package should be sent. */ -#define _EVENT_PACKAGE_BUGREPORT "" - -/* Define to the full name of this package. */ -#define _EVENT_PACKAGE_NAME "" - -/* Define to the full name and version of this package. */ -#define _EVENT_PACKAGE_STRING "" - -/* Define to the one symbol short name of this package. */ -#define _EVENT_PACKAGE_TARNAME "" - -/* Define to the home page for this package. */ -#define _EVENT_PACKAGE_URL "" - -/* Define to the version of this package. */ -#define _EVENT_PACKAGE_VERSION "" - -/* Define to necessary symbol if this constant uses a non-standard name on - your system. */ -/* #undef _EVENT_PTHREAD_CREATE_JOINABLE */ - -/* The size of `int', as computed by sizeof. */ -#define _EVENT_SIZEOF_INT 4 - -/* The size of `long', as computed by sizeof. */ -#define _EVENT_SIZEOF_LONG 4 - -/* The size of `long long', as computed by sizeof. */ -#define _EVENT_SIZEOF_LONG_LONG 8 - -/* The size of `pthread_t', as computed by sizeof. */ -#define _EVENT_SIZEOF_PTHREAD_T 4 - -/* The size of `short', as computed by sizeof. */ -#define _EVENT_SIZEOF_SHORT 2 - -/* The size of `size_t', as computed by sizeof. */ -#define _EVENT_SIZEOF_SIZE_T 4 - -/* The size of `void *', as computed by sizeof. */ -#define _EVENT_SIZEOF_VOID_P 4 - -/* Define to 1 if you have the ANSI C header files. */ -#define _EVENT_STDC_HEADERS 1 - -/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */ -#define _EVENT_TIME_WITH_SYS_TIME 1 - -/* Version number of package */ -#define _EVENT_VERSION "2.0.20-stable" - -/* Define to appropriate substitue if compiler doesnt have __func__ */ -/* #undef _EVENT___func__ */ - -/* Define to empty if `const' does not conform to ANSI C. */ -/* #undef _EVENT_const */ - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef _EVENT___cplusplus -/* #undef _EVENT_inline */ -#endif - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef _EVENT_pid_t */ - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -/* #undef _EVENT_size_t */ - -/* Define to unsigned int if you dont have it */ -/* #undef _EVENT_socklen_t */ - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef _EVENT_ssize_t */ - -#endif /* event2/event-config.h */ diff --git a/external/libevent_files/arc4random.c b/external/libevent_files/arc4random.c deleted file mode 100644 index ee13a34f..00000000 --- a/external/libevent_files/arc4random.c +++ /dev/null @@ -1,555 +0,0 @@ -/* Portable arc4random.c based on arc4random.c from OpenBSD. - * Portable version by Chris Davis, adapted for Libevent by Nick Mathewson - * Copyright (c) 2010 Chris Davis, Niels Provos, and Nick Mathewson - * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson - * - * Note that in Libevent, this file isn't compiled directly. Instead, - * it's included from evutil_rand.c - */ - -/* - * Copyright (c) 1996, David Mazieres <dm@uun.org> - * Copyright (c) 2008, Damien Miller <djm@openbsd.org> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* - * Arc4 random number generator for OpenBSD. - * - * This code is derived from section 17.1 of Applied Cryptography, - * second edition, which describes a stream cipher allegedly - * compatible with RSA Labs "RC4" cipher (the actual description of - * which is a trade secret). The same algorithm is used as a stream - * cipher called "arcfour" in Tatu Ylonen's ssh package. - * - * Here the stream cipher has been modified always to include the time - * when initializing the state. That makes it impossible to - * regenerate the same random sequence twice, so this can't be used - * for encryption, but will generate good random numbers. - * - * RC4 is a registered trademark of RSA Laboratories. - */ - -#ifndef ARC4RANDOM_EXPORT -#define ARC4RANDOM_EXPORT -#endif - -#ifndef ARC4RANDOM_UINT32 -#define ARC4RANDOM_UINT32 uint32_t -#endif - -#ifndef ARC4RANDOM_NO_INCLUDES -#ifdef WIN32 -#include <wincrypt.h> -#include <process.h> -#else -#include <fcntl.h> -#include <unistd.h> -#include <sys/param.h> -#include <sys/time.h> -#ifdef _EVENT_HAVE_SYS_SYSCTL_H -#include <sys/sysctl.h> -#endif -#endif -#include <limits.h> -#include <stdlib.h> -#include <string.h> -#endif - -/* Add platform entropy 32 bytes (256 bits) at a time. */ -#define ADD_ENTROPY 32 - -/* Re-seed from the platform RNG after generating this many bytes. */ -#define BYTES_BEFORE_RESEED 1600000 - -struct arc4_stream { - unsigned char i; - unsigned char j; - unsigned char s[256]; -}; - -#ifdef WIN32 -#define getpid _getpid -#define pid_t int -#endif - -static int rs_initialized; -static struct arc4_stream rs; -static pid_t arc4_stir_pid; -static int arc4_count; -static int arc4_seeded_ok; - -static inline unsigned char arc4_getbyte(void); - -static inline void -arc4_init(void) -{ - int n; - - for (n = 0; n < 256; n++) - rs.s[n] = n; - rs.i = 0; - rs.j = 0; -} - -static inline void -arc4_addrandom(const unsigned char *dat, int datlen) -{ - int n; - unsigned char si; - - rs.i--; - for (n = 0; n < 256; n++) { - rs.i = (rs.i + 1); - si = rs.s[rs.i]; - rs.j = (rs.j + si + dat[n % datlen]); - rs.s[rs.i] = rs.s[rs.j]; - rs.s[rs.j] = si; - } - rs.j = rs.i; -} - -#ifndef WIN32 -static ssize_t -read_all(int fd, unsigned char *buf, size_t count) -{ - size_t numread = 0; - ssize_t result; - - while (numread < count) { - result = read(fd, buf+numread, count-numread); - if (result<0) - return -1; - else if (result == 0) - break; - numread += result; - } - - return (ssize_t)numread; -} -#endif - -#ifdef WIN32 -#define TRY_SEED_WIN32 -static int -arc4_seed_win32(void) -{ - /* This is adapted from Tor's crypto_seed_rng() */ - static int provider_set = 0; - static HCRYPTPROV provider; - unsigned char buf[ADD_ENTROPY]; - - if (!provider_set) { - if (!CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, - CRYPT_VERIFYCONTEXT)) { - if (GetLastError() != (DWORD)NTE_BAD_KEYSET) - return -1; - } - provider_set = 1; - } - if (!CryptGenRandom(provider, sizeof(buf), buf)) - return -1; - arc4_addrandom(buf, sizeof(buf)); - evutil_memclear_(buf, sizeof(buf)); - arc4_seeded_ok = 1; - return 0; -} -#endif - -#if defined(_EVENT_HAVE_SYS_SYSCTL_H) && defined(_EVENT_HAVE_SYSCTL) -#if _EVENT_HAVE_DECL_CTL_KERN && _EVENT_HAVE_DECL_KERN_RANDOM && _EVENT_HAVE_DECL_RANDOM_UUID -#define TRY_SEED_SYSCTL_LINUX -static int -arc4_seed_sysctl_linux(void) -{ - /* Based on code by William Ahern, this function tries to use the - * RANDOM_UUID sysctl to get entropy from the kernel. This can work - * even if /dev/urandom is inaccessible for some reason (e.g., we're - * running in a chroot). */ - int mib[] = { CTL_KERN, KERN_RANDOM, RANDOM_UUID }; - unsigned char buf[ADD_ENTROPY]; - size_t len, n; - unsigned i; - int any_set; - - memset(buf, 0, sizeof(buf)); - - for (len = 0; len < sizeof(buf); len += n) { - n = sizeof(buf) - len; - - if (0 != sysctl(mib, 3, &buf[len], &n, NULL, 0)) - return -1; - } - /* make sure that the buffer actually got set. */ - for (i=0,any_set=0; i<sizeof(buf); ++i) { - any_set |= buf[i]; - } - if (!any_set) - return -1; - - arc4_addrandom(buf, sizeof(buf)); - evutil_memclear_(buf, sizeof(buf)); - arc4_seeded_ok = 1; - return 0; -} -#endif - -#if _EVENT_HAVE_DECL_CTL_KERN && _EVENT_HAVE_DECL_KERN_ARND -#define TRY_SEED_SYSCTL_BSD -static int -arc4_seed_sysctl_bsd(void) -{ - /* Based on code from William Ahern and from OpenBSD, this function - * tries to use the KERN_ARND syscall to get entropy from the kernel. - * This can work even if /dev/urandom is inaccessible for some reason - * (e.g., we're running in a chroot). */ - int mib[] = { CTL_KERN, KERN_ARND }; - unsigned char buf[ADD_ENTROPY]; - size_t len, n; - int i, any_set; - - memset(buf, 0, sizeof(buf)); - - len = sizeof(buf); - if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { - for (len = 0; len < sizeof(buf); len += sizeof(unsigned)) { - n = sizeof(unsigned); - if (n + len > sizeof(buf)) - n = len - sizeof(buf); - if (sysctl(mib, 2, &buf[len], &n, NULL, 0) == -1) - return -1; - } - } - /* make sure that the buffer actually got set. */ - for (i=any_set=0; i<sizeof(buf); ++i) { - any_set |= buf[i]; - } - if (!any_set) - return -1; - - arc4_addrandom(buf, sizeof(buf)); - evutil_memclear_(buf, sizeof(buf)); - arc4_seeded_ok = 1; - return 0; -} -#endif -#endif /* defined(_EVENT_HAVE_SYS_SYSCTL_H) */ - -#ifdef __linux__ -#define TRY_SEED_PROC_SYS_KERNEL_RANDOM_UUID -static int -arc4_seed_proc_sys_kernel_random_uuid(void) -{ - /* Occasionally, somebody will make /proc/sys accessible in a chroot, - * but not /dev/urandom. Let's try /proc/sys/kernel/random/uuid. - * Its format is stupid, so we need to decode it from hex. - */ - int fd; - char buf[128]; - unsigned char entropy[64]; - int bytes, n, i, nybbles; - for (bytes = 0; bytes<ADD_ENTROPY; ) { - fd = evutil_open_closeonexec("/proc/sys/kernel/random/uuid", O_RDONLY, 0); - if (fd < 0) - return -1; - n = read(fd, buf, sizeof(buf)); - close(fd); - if (n<=0) - return -1; - memset(entropy, 0, sizeof(entropy)); - for (i=nybbles=0; i<n; ++i) { - if (EVUTIL_ISXDIGIT(buf[i])) { - int nyb = evutil_hex_char_to_int(buf[i]); - if (nybbles & 1) { - entropy[nybbles/2] |= nyb; - } else { - entropy[nybbles/2] |= nyb<<4; - } - ++nybbles; - } - } - if (nybbles < 2) - return -1; - arc4_addrandom(entropy, nybbles/2); - bytes += nybbles/2; - } - evutil_memclear_(entropy, sizeof(entropy)); - evutil_memclear_(buf, sizeof(buf)); - arc4_seeded_ok = 1; - return 0; -} -#endif - -#ifndef WIN32 -#define TRY_SEED_URANDOM -static char *arc4random_urandom_filename = NULL; - -static int arc4_seed_urandom_helper_(const char *fname) -{ - unsigned char buf[ADD_ENTROPY]; - int fd; - size_t n; - - fd = evutil_open_closeonexec(fname, O_RDONLY, 0); - if (fd<0) - return -1; - n = read_all(fd, buf, sizeof(buf)); - close(fd); - if (n != sizeof(buf)) - return -1; - arc4_addrandom(buf, sizeof(buf)); - evutil_memclear_(buf, sizeof(buf)); - arc4_seeded_ok = 1; - return 0; -} - -static int -arc4_seed_urandom(void) -{ - /* This is adapted from Tor's crypto_seed_rng() */ - static const char *filenames[] = { - "/dev/srandom", "/dev/urandom", "/dev/random", NULL - }; - int i; - if (arc4random_urandom_filename) - return arc4_seed_urandom_helper_(arc4random_urandom_filename); - - for (i = 0; filenames[i]; ++i) { - if (arc4_seed_urandom_helper_(filenames[i]) == 0) { - return 0; - } - } - - return -1; -} -#endif - -static int -arc4_seed(void) -{ - int ok = 0; - /* We try every method that might work, and don't give up even if one - * does seem to work. There's no real harm in over-seeding, and if - * one of these sources turns out to be broken, that would be bad. */ -#ifdef TRY_SEED_WIN32 - if (0 == arc4_seed_win32()) - ok = 1; -#endif -#ifdef TRY_SEED_URANDOM - if (0 == arc4_seed_urandom()) - ok = 1; -#endif -#ifdef TRY_SEED_PROC_SYS_KERNEL_RANDOM_UUID - if (arc4random_urandom_filename == NULL && - 0 == arc4_seed_proc_sys_kernel_random_uuid()) - ok = 1; -#endif -#ifdef TRY_SEED_SYSCTL_LINUX - /* Apparently Linux is deprecating sysctl, and spewing warning - * messages when you try to use it. */ - if (!ok && 0 == arc4_seed_sysctl_linux()) - ok = 1; -#endif -#ifdef TRY_SEED_SYSCTL_BSD - if (0 == arc4_seed_sysctl_bsd()) - ok = 1; -#endif - return ok ? 0 : -1; -} - -static int -arc4_stir(void) -{ - int i; - - if (!rs_initialized) { - arc4_init(); - rs_initialized = 1; - } - - arc4_seed(); - if (!arc4_seeded_ok) - return -1; - - /* - * Discard early keystream, as per recommendations in - * "Weaknesses in the Key Scheduling Algorithm of RC4" by - * Scott Fluhrer, Itsik Mantin, and Adi Shamir. - * http://www.wisdom.weizmann.ac.il/~itsik/RC4/Papers/Rc4_ksa.ps - * - * Ilya Mironov's "(Not So) Random Shuffles of RC4" suggests that - * we drop at least 2*256 bytes, with 12*256 as a conservative - * value. - * - * RFC4345 says to drop 6*256. - * - * At least some versions of this code drop 4*256, in a mistaken - * belief that "words" in the Fluhrer/Mantin/Shamir paper refers - * to processor words. - * - * We add another sect to the cargo cult, and choose 12*256. - */ - for (i = 0; i < 12*256; i++) - (void)arc4_getbyte(); - - arc4_count = BYTES_BEFORE_RESEED; - - return 0; -} - - -static void -arc4_stir_if_needed(void) -{ - pid_t pid = getpid(); - - if (arc4_count <= 0 || !rs_initialized || arc4_stir_pid != pid) - { - arc4_stir_pid = pid; - arc4_stir(); - } -} - -static inline unsigned char -arc4_getbyte(void) -{ - unsigned char si, sj; - - rs.i = (rs.i + 1); - si = rs.s[rs.i]; - rs.j = (rs.j + si); - sj = rs.s[rs.j]; - rs.s[rs.i] = sj; - rs.s[rs.j] = si; - return (rs.s[(si + sj) & 0xff]); -} - -static inline unsigned int -arc4_getword(void) -{ - unsigned int val; - - val = arc4_getbyte() << 24; - val |= arc4_getbyte() << 16; - val |= arc4_getbyte() << 8; - val |= arc4_getbyte(); - - return val; -} - -#ifndef ARC4RANDOM_NOSTIR -ARC4RANDOM_EXPORT int -arc4random_stir(void) -{ - int val; - //_ARC4_LOCK(); - val = arc4_stir(); - //_ARC4_UNLOCK(); - return val; -} -#endif - -#ifndef ARC4RANDOM_NOADDRANDOM -ARC4RANDOM_EXPORT void -arc4random_addrandom(const unsigned char *dat, int datlen) -{ - int j; - //_ARC4_LOCK(); - if (!rs_initialized) - arc4_stir(); - for (j = 0; j < datlen; j += 256) { - /* arc4_addrandom() ignores all but the first 256 bytes of - * its input. We want to make sure to look at ALL the - * data in 'dat', just in case the user is doing something - * crazy like passing us all the files in /var/log. */ - arc4_addrandom(dat + j, datlen - j); - } - //_ARC4_UNLOCK(); -} -#endif - -#ifndef ARC4RANDOM_NORANDOM -ARC4RANDOM_EXPORT ARC4RANDOM_UINT32 -arc4random(void) -{ - ARC4RANDOM_UINT32 val; - //_ARC4_LOCK(); - arc4_count -= 4; - arc4_stir_if_needed(); - val = arc4_getword(); - //_ARC4_UNLOCK(); - return val; -} -#endif - -ARC4RANDOM_EXPORT void -arc4random_buf(void *_buf, size_t n) -{ - unsigned char *buf = _buf; - //_ARC4_LOCK(); - arc4_stir_if_needed(); - while (n--) { - if (--arc4_count <= 0) - arc4_stir(); - buf[n] = arc4_getbyte(); - } - //_ARC4_UNLOCK(); -} - -#ifndef ARC4RANDOM_NOUNIFORM -/* - * Calculate a uniformly distributed random number less than upper_bound - * avoiding "modulo bias". - * - * Uniformity is achieved by generating new random numbers until the one - * returned is outside the range [0, 2**32 % upper_bound). This - * guarantees the selected random number will be inside - * [2**32 % upper_bound, 2**32) which maps back to [0, upper_bound) - * after reduction modulo upper_bound. - */ -ARC4RANDOM_EXPORT unsigned int -arc4random_uniform(unsigned int upper_bound) -{ - ARC4RANDOM_UINT32 r, min; - - if (upper_bound < 2) - return 0; - -#if (UINT_MAX > 0xffffffffUL) - min = 0x100000000UL % upper_bound; -#else - /* Calculate (2**32 % upper_bound) avoiding 64-bit math */ - if (upper_bound > 0x80000000) - min = 1 + ~upper_bound; /* 2**32 - upper_bound */ - else { - /* (2**32 - (x * 2)) % x == 2**32 % x when x <= 2**31 */ - min = ((0xffffffff - (upper_bound * 2)) + 1) % upper_bound; - } -#endif - - /* - * This could theoretically loop forever but each retry has - * p > 0.5 (worst case, usually far better) of selecting a - * number inside the range we need, so it should rarely need - * to re-roll. - */ - for (;;) { - r = arc4random(); - if (r >= min) - break; - } - - return r % upper_bound; -} -#endif diff --git a/external/libevent_files/evutil.c b/external/libevent_files/evutil.c deleted file mode 100644 index 05e662aa..00000000 --- a/external/libevent_files/evutil.c +++ /dev/null @@ -1,2190 +0,0 @@ -/* - * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "event2/event-config.h" - -#define _GNU_SOURCE - -#ifdef WIN32 -#include <winsock2.h> -#include <ws2tcpip.h> -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -#include <io.h> -#include <tchar.h> -#endif - -#include <sys/types.h> -#ifdef _EVENT_HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#ifdef _EVENT_HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifdef _EVENT_HAVE_FCNTL_H -#include <fcntl.h> -#endif -#ifdef _EVENT_HAVE_STDLIB_H -#include <stdlib.h> -#endif -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <string.h> -#ifdef _EVENT_HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef _EVENT_HAVE_NETINET_IN6_H -#include <netinet/in6.h> -#endif -#ifdef _EVENT_HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif - -#ifndef _EVENT_HAVE_GETTIMEOFDAY -#include <sys/timeb.h> -#include <time.h> -#endif -#include <sys/stat.h> - -#include "event2/util.h" -#include "util-internal.h" -#include "log-internal.h" -#include "mm-internal.h" - -#include "strlcpy-internal.h" -#include "ipv6-internal.h" - -#ifdef WIN32 -#define open _open -#define read _read -#define close _close -#define fstat _fstati64 -#define stat _stati64 -#define mode_t int -#endif - -int -evutil_open_closeonexec(const char *pathname, int flags, unsigned mode) -{ - int fd; - -#ifdef O_CLOEXEC - flags |= O_CLOEXEC; -#endif - - if (flags & O_CREAT) - fd = open(pathname, flags, (mode_t)mode); - else - fd = open(pathname, flags); - if (fd < 0) - return -1; - -#if !defined(O_CLOEXEC) && defined(FD_CLOEXEC) - if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) - return -1; -#endif - - return fd; -} - -/** - Read the contents of 'filename' into a newly allocated NUL-terminated - string. Set *content_out to hold this string, and *len_out to hold its - length (not including the appended NUL). If 'is_binary', open the file in - binary mode. - - Returns 0 on success, -1 if the open fails, and -2 for all other failures. - - Used internally only; may go away in a future version. - */ -int -evutil_read_file(const char *filename, char **content_out, size_t *len_out, - int is_binary) -{ - int fd, r; - struct stat st; - char *mem; - size_t read_so_far=0; - int mode = O_RDONLY; - - EVUTIL_ASSERT(content_out); - EVUTIL_ASSERT(len_out); - *content_out = NULL; - *len_out = 0; - -#ifdef O_BINARY - if (is_binary) - mode |= O_BINARY; -#endif - - fd = evutil_open_closeonexec(filename, mode, 0); - if (fd < 0) - return -1; - if (fstat(fd, &st) || st.st_size < 0 || - st.st_size > EV_SSIZE_MAX-1 ) { - close(fd); - return -2; - } - mem = mm_malloc((size_t)st.st_size + 1); - if (!mem) { - close(fd); - return -2; - } - read_so_far = 0; -#ifdef WIN32 -#define N_TO_READ(x) ((x) > INT_MAX) ? INT_MAX : ((int)(x)) -#else -#define N_TO_READ(x) (x) -#endif - while ((r = read(fd, mem+read_so_far, N_TO_READ(st.st_size - read_so_far))) > 0) { - read_so_far += r; - if (read_so_far >= (size_t)st.st_size) - break; - EVUTIL_ASSERT(read_so_far < (size_t)st.st_size); - } - close(fd); - if (r < 0) { - mm_free(mem); - return -2; - } - mem[read_so_far] = 0; - - *len_out = read_so_far; - *content_out = mem; - return 0; -} - -int -evutil_socketpair(int family, int type, int protocol, evutil_socket_t fd[2]) -{ -#ifndef WIN32 - return socketpair(family, type, protocol, fd); -#else - return evutil_ersatz_socketpair(family, type, protocol, fd); -#endif -} - -int -evutil_ersatz_socketpair(int family, int type, int protocol, - evutil_socket_t fd[2]) -{ - /* This code is originally from Tor. Used with permission. */ - - /* This socketpair does not work when localhost is down. So - * it's really not the same thing at all. But it's close enough - * for now, and really, when localhost is down sometimes, we - * have other problems too. - */ -#ifdef WIN32 -#define ERR(e) WSA##e -#else -#define ERR(e) e -#endif - evutil_socket_t listener = -1; - evutil_socket_t connector = -1; - evutil_socket_t acceptor = -1; - struct sockaddr_in listen_addr; - struct sockaddr_in connect_addr; - ev_socklen_t size; - int saved_errno = -1; - - if (protocol - || (family != AF_INET -#ifdef AF_UNIX - && family != AF_UNIX -#endif - )) { - EVUTIL_SET_SOCKET_ERROR(ERR(EAFNOSUPPORT)); - return -1; - } - if (!fd) { - EVUTIL_SET_SOCKET_ERROR(ERR(EINVAL)); - return -1; - } - - listener = socket(AF_INET, type, 0); - if (listener < 0) - return -1; - memset(&listen_addr, 0, sizeof(listen_addr)); - listen_addr.sin_family = AF_INET; - listen_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); - listen_addr.sin_port = 0; /* kernel chooses port. */ - if (bind(listener, (struct sockaddr *) &listen_addr, sizeof (listen_addr)) - == -1) - goto tidy_up_and_fail; - if (listen(listener, 1) == -1) - goto tidy_up_and_fail; - - connector = socket(AF_INET, type, 0); - if (connector < 0) - goto tidy_up_and_fail; - /* We want to find out the port number to connect to. */ - size = sizeof(connect_addr); - if (getsockname(listener, (struct sockaddr *) &connect_addr, &size) == -1) - goto tidy_up_and_fail; - if (size != sizeof (connect_addr)) - goto abort_tidy_up_and_fail; - if (connect(connector, (struct sockaddr *) &connect_addr, - sizeof(connect_addr)) == -1) - goto tidy_up_and_fail; - - size = sizeof(listen_addr); - acceptor = accept(listener, (struct sockaddr *) &listen_addr, &size); - if (acceptor < 0) - goto tidy_up_and_fail; - if (size != sizeof(listen_addr)) - goto abort_tidy_up_and_fail; - /* Now check we are talking to ourself by matching port and host on the - two sockets. */ - if (getsockname(connector, (struct sockaddr *) &connect_addr, &size) == -1) - goto tidy_up_and_fail; - if (size != sizeof (connect_addr) - || listen_addr.sin_family != connect_addr.sin_family - || listen_addr.sin_addr.s_addr != connect_addr.sin_addr.s_addr - || listen_addr.sin_port != connect_addr.sin_port) - goto abort_tidy_up_and_fail; - evutil_closesocket(listener); - fd[0] = connector; - fd[1] = acceptor; - - return 0; - - abort_tidy_up_and_fail: - saved_errno = ERR(ECONNABORTED); - tidy_up_and_fail: - if (saved_errno < 0) - saved_errno = EVUTIL_SOCKET_ERROR(); - if (listener != -1) - evutil_closesocket(listener); - if (connector != -1) - evutil_closesocket(connector); - if (acceptor != -1) - evutil_closesocket(acceptor); - - EVUTIL_SET_SOCKET_ERROR(saved_errno); - return -1; -#undef ERR -} - -int -evutil_make_socket_nonblocking(evutil_socket_t fd) -{ -#ifdef WIN32 - { - u_long nonblocking = 1; - if (ioctlsocket(fd, FIONBIO, &nonblocking) == SOCKET_ERROR) { - event_sock_warn(fd, "fcntl(%d, F_GETFL)", (int)fd); - return -1; - } - } -#else - { - int flags; - if ((flags = fcntl(fd, F_GETFL, NULL)) < 0) { - event_warn("fcntl(%d, F_GETFL)", fd); - return -1; - } - if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) { - event_warn("fcntl(%d, F_SETFL)", fd); - return -1; - } - } -#endif - return 0; -} - -int -evutil_make_listen_socket_reuseable(evutil_socket_t sock) -{ -#ifndef WIN32 - int one = 1; - /* REUSEADDR on Unix means, "don't hang on to this address after the - * listener is closed." On Windows, though, it means "don't keep other - * processes from binding to this address while we're using it. */ - return setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*) &one, - (ev_socklen_t)sizeof(one)); -#else - return 0; -#endif -} - -int -evutil_make_socket_closeonexec(evutil_socket_t fd) -{ -#if !defined(WIN32) && defined(_EVENT_HAVE_SETFD) - int flags; - if ((flags = fcntl(fd, F_GETFD, NULL)) < 0) { - event_warn("fcntl(%d, F_GETFD)", fd); - return -1; - } - if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1) { - event_warn("fcntl(%d, F_SETFD)", fd); - return -1; - } -#endif - return 0; -} - -int -evutil_closesocket(evutil_socket_t sock) -{ -#ifndef WIN32 - return close(sock); -#else - return closesocket(sock); -#endif -} - -ev_int64_t -evutil_strtoll(const char *s, char **endptr, int base) -{ -#ifdef _EVENT_HAVE_STRTOLL - return (ev_int64_t)strtoll(s, endptr, base); -#elif _EVENT_SIZEOF_LONG == 8 - return (ev_int64_t)strtol(s, endptr, base); -#elif defined(WIN32) && defined(_MSC_VER) && _MSC_VER < 1300 - /* XXXX on old versions of MS APIs, we only support base - * 10. */ - ev_int64_t r; - if (base != 10) - return 0; - r = (ev_int64_t) _atoi64(s); - while (isspace(*s)) - ++s; - if (*s == '-') - ++s; - while (isdigit(*s)) - ++s; - if (endptr) - *endptr = (char*) s; - return r; -#elif defined(WIN32) - return (ev_int64_t) _strtoi64(s, endptr, base); -#elif defined(_EVENT_SIZEOF_LONG_LONG) && _EVENT_SIZEOF_LONG_LONG == 8 - long long r; - int n; - if (base != 10 && base != 16) - return 0; - if (base == 10) { - n = sscanf(s, "%lld", &r); - } else { - unsigned long long ru=0; - n = sscanf(s, "%llx", &ru); - if (ru > EV_INT64_MAX) - return 0; - r = (long long) ru; - } - if (n != 1) - return 0; - while (EVUTIL_ISSPACE(*s)) - ++s; - if (*s == '-') - ++s; - if (base == 10) { - while (EVUTIL_ISDIGIT(*s)) - ++s; - } else { - while (EVUTIL_ISXDIGIT(*s)) - ++s; - } - if (endptr) - *endptr = (char*) s; - return r; -#else -#error "I don't know how to parse 64-bit integers." -#endif -} - -#ifndef _EVENT_HAVE_GETTIMEOFDAY -/* No gettimeofday; this muse be windows. */ -int -evutil_gettimeofday(struct timeval *tv, struct timezone *tz) -{ - struct _timeb tb; - - if (tv == NULL) - return -1; - - /* XXXX - * _ftime is not the greatest interface here; GetSystemTimeAsFileTime - * would give us better resolution, whereas something cobbled together - * with GetTickCount could maybe give us monotonic behavior. - * - * Either way, I think this value might be skewed to ignore the - * timezone, and just return local time. That's not so good. - */ - _ftime(&tb); - tv->tv_sec = (long) tb.time; - tv->tv_usec = ((int) tb.millitm) * 1000; - return 0; -} -#endif - -#ifdef WIN32 -int -evutil_socket_geterror(evutil_socket_t sock) -{ - int optval, optvallen=sizeof(optval); - int err = WSAGetLastError(); - if (err == WSAEWOULDBLOCK && sock >= 0) { - if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (void*)&optval, - &optvallen)) - return err; - if (optval) - return optval; - } - return err; -} -#endif - -/* XXX we should use an enum here. */ -/* 2 for connection refused, 1 for connected, 0 for not yet, -1 for error. */ -int -evutil_socket_connect(evutil_socket_t *fd_ptr, struct sockaddr *sa, int socklen) -{ - int made_fd = 0; - - if (*fd_ptr < 0) { - if ((*fd_ptr = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) - goto err; - made_fd = 1; - if (evutil_make_socket_nonblocking(*fd_ptr) < 0) { - goto err; - } - } - - if (connect(*fd_ptr, sa, socklen) < 0) { - int e = evutil_socket_geterror(*fd_ptr); - if (EVUTIL_ERR_CONNECT_RETRIABLE(e)) - return 0; - if (EVUTIL_ERR_CONNECT_REFUSED(e)) - return 2; - goto err; - } else { - return 1; - } - -err: - if (made_fd) { - evutil_closesocket(*fd_ptr); - *fd_ptr = -1; - } - return -1; -} - -/* Check whether a socket on which we called connect() is done - connecting. Return 1 for connected, 0 for not yet, -1 for error. In the - error case, set the current socket errno to the error that happened during - the connect operation. */ -int -evutil_socket_finished_connecting(evutil_socket_t fd) -{ - int e; - ev_socklen_t elen = sizeof(e); - - if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&e, &elen) < 0) - return -1; - - if (e) { - if (EVUTIL_ERR_CONNECT_RETRIABLE(e)) - return 0; - EVUTIL_SET_SOCKET_ERROR(e); - return -1; - } - - return 1; -} - -#if (EVUTIL_AI_PASSIVE|EVUTIL_AI_CANONNAME|EVUTIL_AI_NUMERICHOST| \ - EVUTIL_AI_NUMERICSERV|EVUTIL_AI_V4MAPPED|EVUTIL_AI_ALL| \ - EVUTIL_AI_ADDRCONFIG) != \ - (EVUTIL_AI_PASSIVE^EVUTIL_AI_CANONNAME^EVUTIL_AI_NUMERICHOST^ \ - EVUTIL_AI_NUMERICSERV^EVUTIL_AI_V4MAPPED^EVUTIL_AI_ALL^ \ - EVUTIL_AI_ADDRCONFIG) -#error "Some of our EVUTIL_AI_* flags seem to overlap with system AI_* flags" -#endif - -/* We sometimes need to know whether we have an ipv4 address and whether we - have an ipv6 address. If 'have_checked_interfaces', then we've already done - the test. If 'had_ipv4_address', then it turns out we had an ipv4 address. - If 'had_ipv6_address', then it turns out we had an ipv6 address. These are - set by evutil_check_interfaces. */ -static int have_checked_interfaces, had_ipv4_address, had_ipv6_address; - -/* Macro: True iff the IPv4 address 'addr', in host order, is in 127.0.0.0/8 - */ -#define EVUTIL_V4ADDR_IS_LOCALHOST(addr) (((addr)>>24) == 127) - -/* Macro: True iff the IPv4 address 'addr', in host order, is a class D - * (multiclass) address. - */ -#define EVUTIL_V4ADDR_IS_CLASSD(addr) ((((addr)>>24) & 0xf0) == 0xe0) - -/* Test whether we have an ipv4 interface and an ipv6 interface. Return 0 if - * the test seemed successful. */ -static int -evutil_check_interfaces(int force_recheck) -{ - const char ZEROES[] = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00"; - evutil_socket_t fd = -1; - struct sockaddr_in sin, sin_out; - struct sockaddr_in6 sin6, sin6_out; - ev_socklen_t sin_out_len = sizeof(sin_out); - ev_socklen_t sin6_out_len = sizeof(sin6_out); - int r; - char buf[128]; - if (have_checked_interfaces && !force_recheck) - return 0; - - /* To check whether we have an interface open for a given protocol, we - * try to make a UDP 'connection' to a remote host on the internet. - * We don't actually use it, so the address doesn't matter, but we - * want to pick one that keep us from using a host- or link-local - * interface. */ - memset(&sin, 0, sizeof(sin)); - sin.sin_family = AF_INET; - sin.sin_port = htons(53); - r = evutil_inet_pton(AF_INET, "18.244.0.188", &sin.sin_addr); - EVUTIL_ASSERT(r); - - memset(&sin6, 0, sizeof(sin6)); - sin6.sin6_family = AF_INET6; - sin6.sin6_port = htons(53); - r = evutil_inet_pton(AF_INET6, "2001:4860:b002::68", &sin6.sin6_addr); - EVUTIL_ASSERT(r); - - memset(&sin_out, 0, sizeof(sin_out)); - memset(&sin6_out, 0, sizeof(sin6_out)); - - /* XXX some errnos mean 'no address'; some mean 'not enough sockets'. */ - if ((fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) >= 0 && - connect(fd, (struct sockaddr*)&sin, sizeof(sin)) == 0 && - getsockname(fd, (struct sockaddr*)&sin_out, &sin_out_len) == 0) { - /* We might have an IPv4 interface. */ - ev_uint32_t addr = ntohl(sin_out.sin_addr.s_addr); - if (addr == 0 || - EVUTIL_V4ADDR_IS_LOCALHOST(addr) || - EVUTIL_V4ADDR_IS_CLASSD(addr)) { - evutil_inet_ntop(AF_INET, &sin_out.sin_addr, - buf, sizeof(buf)); - /* This is a reserved, ipv4compat, ipv4map, loopback, - * link-local or unspecified address. The host should - * never have given it to us; it could never connect - * to sin. */ - event_warnx("Got a strange local ipv4 address %s",buf); - } else { - event_debug(("Detected an IPv4 interface")); - had_ipv4_address = 1; - } - } - if (fd >= 0) - evutil_closesocket(fd); - - if ((fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP)) >= 0 && - connect(fd, (struct sockaddr*)&sin6, sizeof(sin6)) == 0 && - getsockname(fd, (struct sockaddr*)&sin6_out, &sin6_out_len) == 0) { - /* We might have an IPv6 interface. */ - const unsigned char *addr = - (unsigned char*)sin6_out.sin6_addr.s6_addr; - if (!memcmp(addr, ZEROES, 8) || - (addr[0] == 0xfe && (addr[1] & 0xc0) == 0x80)) { - /* This is a reserved, ipv4compat, ipv4map, loopback, - * link-local or unspecified address. The host should - * never have given it to us; it could never connect - * to sin6. */ - evutil_inet_ntop(AF_INET6, &sin6_out.sin6_addr, - buf, sizeof(buf)); - event_warnx("Got a strange local ipv6 address %s",buf); - } else { - event_debug(("Detected an IPv4 interface")); - had_ipv6_address = 1; - } - } - - if (fd >= 0) - evutil_closesocket(fd); - - return 0; -} - -/* Internal addrinfo flag. This one is set when we allocate the addrinfo from - * inside libevent. Otherwise, the built-in getaddrinfo() function allocated - * it, and we should trust what they said. - **/ -#define EVUTIL_AI_LIBEVENT_ALLOCATED 0x80000000 - -/* Helper: construct a new addrinfo containing the socket address in - * 'sa', which must be a sockaddr_in or a sockaddr_in6. Take the - * socktype and protocol info from hints. If they weren't set, then - * allocate both a TCP and a UDP addrinfo. - */ -struct evutil_addrinfo * -evutil_new_addrinfo(struct sockaddr *sa, ev_socklen_t socklen, - const struct evutil_addrinfo *hints) -{ - struct evutil_addrinfo *res; - EVUTIL_ASSERT(hints); - - if (hints->ai_socktype == 0 && hints->ai_protocol == 0) { - /* Indecisive user! Give them a UDP and a TCP. */ - struct evutil_addrinfo *r1, *r2; - struct evutil_addrinfo tmp; - memcpy(&tmp, hints, sizeof(tmp)); - tmp.ai_socktype = SOCK_STREAM; tmp.ai_protocol = IPPROTO_TCP; - r1 = evutil_new_addrinfo(sa, socklen, &tmp); - if (!r1) - return NULL; - tmp.ai_socktype = SOCK_DGRAM; tmp.ai_protocol = IPPROTO_UDP; - r2 = evutil_new_addrinfo(sa, socklen, &tmp); - if (!r2) { - evutil_freeaddrinfo(r1); - return NULL; - } - r1->ai_next = r2; - return r1; - } - - /* We're going to allocate extra space to hold the sockaddr. */ - res = mm_calloc(1,sizeof(struct evutil_addrinfo)+socklen); - if (!res) - return NULL; - res->ai_addr = (struct sockaddr*) - (((char*)res) + sizeof(struct evutil_addrinfo)); - memcpy(res->ai_addr, sa, socklen); - res->ai_addrlen = socklen; - res->ai_family = sa->sa_family; /* Same or not? XXX */ - res->ai_flags = EVUTIL_AI_LIBEVENT_ALLOCATED; - res->ai_socktype = hints->ai_socktype; - res->ai_protocol = hints->ai_protocol; - - return res; -} - -/* Append the addrinfo 'append' to the end of 'first', and return the start of - * the list. Either element can be NULL, in which case we return the element - * that is not NULL. */ -struct evutil_addrinfo * -evutil_addrinfo_append(struct evutil_addrinfo *first, - struct evutil_addrinfo *append) -{ - struct evutil_addrinfo *ai = first; - if (!ai) - return append; - while (ai->ai_next) - ai = ai->ai_next; - ai->ai_next = append; - - return first; -} - -static int -parse_numeric_servname(const char *servname) -{ - int n; - char *endptr=NULL; - n = (int) strtol(servname, &endptr, 10); - if (n>=0 && n <= 65535 && servname[0] && endptr && !endptr[0]) - return n; - else - return -1; -} - -/** Parse a service name in 'servname', which can be a decimal port. - * Return the port number, or -1 on error. - */ -static int -evutil_parse_servname(const char *servname, const char *protocol, - const struct evutil_addrinfo *hints) -{ - int n = parse_numeric_servname(servname); - if (n>=0) - return n; -#if defined(_EVENT_HAVE_GETSERVBYNAME) || defined(WIN32) - if (!(hints->ai_flags & EVUTIL_AI_NUMERICSERV)) { - struct servent *ent = getservbyname(servname, protocol); - if (ent) { - return ntohs(ent->s_port); - } - } -#endif - return -1; -} - -/* Return a string corresponding to a protocol number that we can pass to - * getservyname. */ -static const char * -evutil_unparse_protoname(int proto) -{ - switch (proto) { - case 0: - return NULL; - case IPPROTO_TCP: - return "tcp"; - case IPPROTO_UDP: - return "udp"; -#ifdef IPPROTO_SCTP - case IPPROTO_SCTP: - return "sctp"; -#endif - default: -#ifdef _EVENT_HAVE_GETPROTOBYNUMBER - { - struct protoent *ent = getprotobynumber(proto); - if (ent) - return ent->p_name; - } -#endif - return NULL; - } -} - -static void -evutil_getaddrinfo_infer_protocols(struct evutil_addrinfo *hints) -{ - /* If we can guess the protocol from the socktype, do so. */ - if (!hints->ai_protocol && hints->ai_socktype) { - if (hints->ai_socktype == SOCK_DGRAM) - hints->ai_protocol = IPPROTO_UDP; - else if (hints->ai_socktype == SOCK_STREAM) - hints->ai_protocol = IPPROTO_TCP; - } - - /* Set the socktype if it isn't set. */ - if (!hints->ai_socktype && hints->ai_protocol) { - if (hints->ai_protocol == IPPROTO_UDP) - hints->ai_socktype = SOCK_DGRAM; - else if (hints->ai_protocol == IPPROTO_TCP) - hints->ai_socktype = SOCK_STREAM; -#ifdef IPPROTO_SCTP - else if (hints->ai_protocol == IPPROTO_SCTP) - hints->ai_socktype = SOCK_STREAM; -#endif - } -} - -#if AF_UNSPEC != PF_UNSPEC -#error "I cannot build on a system where AF_UNSPEC != PF_UNSPEC" -#endif - -/** Implements the part of looking up hosts by name that's common to both - * the blocking and nonblocking resolver: - * - Adjust 'hints' to have a reasonable socktype and protocol. - * - Look up the port based on 'servname', and store it in *portnum, - * - Handle the nodename==NULL case - * - Handle some invalid arguments cases. - * - Handle the cases where nodename is an IPv4 or IPv6 address. - * - * If we need the resolver to look up the hostname, we return - * EVUTIL_EAI_NEED_RESOLVE. Otherwise, we can completely implement - * getaddrinfo: we return 0 or an appropriate EVUTIL_EAI_* error, and - * set *res as getaddrinfo would. - */ -int -evutil_getaddrinfo_common(const char *nodename, const char *servname, - struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum) -{ - int port = 0; - const char *pname; - - if (nodename == NULL && servname == NULL) - return EVUTIL_EAI_NONAME; - - /* We only understand 3 families */ - if (hints->ai_family != PF_UNSPEC && hints->ai_family != PF_INET && - hints->ai_family != PF_INET6) - return EVUTIL_EAI_FAMILY; - - evutil_getaddrinfo_infer_protocols(hints); - - /* Look up the port number and protocol, if possible. */ - pname = evutil_unparse_protoname(hints->ai_protocol); - if (servname) { - /* XXXX We could look at the protocol we got back from - * getservbyname, but it doesn't seem too useful. */ - port = evutil_parse_servname(servname, pname, hints); - if (port < 0) { - return EVUTIL_EAI_NONAME; - } - } - - /* If we have no node name, then we're supposed to bind to 'any' and - * connect to localhost. */ - if (nodename == NULL) { - struct evutil_addrinfo *res4=NULL, *res6=NULL; - if (hints->ai_family != PF_INET) { /* INET6 or UNSPEC. */ - struct sockaddr_in6 sin6; - memset(&sin6, 0, sizeof(sin6)); - sin6.sin6_family = AF_INET6; - sin6.sin6_port = htons(port); - if (hints->ai_flags & EVUTIL_AI_PASSIVE) { - /* Bind to :: */ - } else { - /* connect to ::1 */ - sin6.sin6_addr.s6_addr[15] = 1; - } - res6 = evutil_new_addrinfo((struct sockaddr*)&sin6, - sizeof(sin6), hints); - if (!res6) - return EVUTIL_EAI_MEMORY; - } - - if (hints->ai_family != PF_INET6) { /* INET or UNSPEC */ - struct sockaddr_in sin; - memset(&sin, 0, sizeof(sin)); - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - if (hints->ai_flags & EVUTIL_AI_PASSIVE) { - /* Bind to 0.0.0.0 */ - } else { - /* connect to 127.0.0.1 */ - sin.sin_addr.s_addr = htonl(0x7f000001); - } - res4 = evutil_new_addrinfo((struct sockaddr*)&sin, - sizeof(sin), hints); - if (!res4) { - if (res6) - evutil_freeaddrinfo(res6); - return EVUTIL_EAI_MEMORY; - } - } - *res = evutil_addrinfo_append(res4, res6); - return 0; - } - - /* If we can, we should try to parse the hostname without resolving - * it. */ - /* Try ipv6. */ - if (hints->ai_family == PF_INET6 || hints->ai_family == PF_UNSPEC) { - struct sockaddr_in6 sin6; - memset(&sin6, 0, sizeof(sin6)); - if (1==evutil_inet_pton(AF_INET6, nodename, &sin6.sin6_addr)) { - /* Got an ipv6 address. */ - sin6.sin6_family = AF_INET6; - sin6.sin6_port = htons(port); - *res = evutil_new_addrinfo((struct sockaddr*)&sin6, - sizeof(sin6), hints); - if (!*res) - return EVUTIL_EAI_MEMORY; - return 0; - } - } - - /* Try ipv4. */ - if (hints->ai_family == PF_INET || hints->ai_family == PF_UNSPEC) { - struct sockaddr_in sin; - memset(&sin, 0, sizeof(sin)); - if (1==evutil_inet_pton(AF_INET, nodename, &sin.sin_addr)) { - /* Got an ipv6 address. */ - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - *res = evutil_new_addrinfo((struct sockaddr*)&sin, - sizeof(sin), hints); - if (!*res) - return EVUTIL_EAI_MEMORY; - return 0; - } - } - - - /* If we have reached this point, we definitely need to do a DNS - * lookup. */ - if ((hints->ai_flags & EVUTIL_AI_NUMERICHOST)) { - /* If we're not allowed to do one, then say so. */ - return EVUTIL_EAI_NONAME; - } - *portnum = port; - return EVUTIL_EAI_NEED_RESOLVE; -} - -#ifdef _EVENT_HAVE_GETADDRINFO -#define USE_NATIVE_GETADDRINFO -#endif - -#ifdef USE_NATIVE_GETADDRINFO -/* A mask of all the flags that we declare, so we can clear them before calling - * the native getaddrinfo */ -static const unsigned int ALL_NONNATIVE_AI_FLAGS = -#ifndef AI_PASSIVE - EVUTIL_AI_PASSIVE | -#endif -#ifndef AI_CANONNAME - EVUTIL_AI_CANONNAME | -#endif -#ifndef AI_NUMERICHOST - EVUTIL_AI_NUMERICHOST | -#endif -#ifndef AI_NUMERICSERV - EVUTIL_AI_NUMERICSERV | -#endif -#ifndef AI_ADDRCONFIG - EVUTIL_AI_ADDRCONFIG | -#endif -#ifndef AI_ALL - EVUTIL_AI_ALL | -#endif -#ifndef AI_V4MAPPED - EVUTIL_AI_V4MAPPED | -#endif - EVUTIL_AI_LIBEVENT_ALLOCATED; - -static const unsigned int ALL_NATIVE_AI_FLAGS = -#ifdef AI_PASSIVE - AI_PASSIVE | -#endif -#ifdef AI_CANONNAME - AI_CANONNAME | -#endif -#ifdef AI_NUMERICHOST - AI_NUMERICHOST | -#endif -#ifdef AI_NUMERICSERV - AI_NUMERICSERV | -#endif -#ifdef AI_ADDRCONFIG - AI_ADDRCONFIG | -#endif -#ifdef AI_ALL - AI_ALL | -#endif -#ifdef AI_V4MAPPED - AI_V4MAPPED | -#endif - 0; -#endif - -#ifndef USE_NATIVE_GETADDRINFO -/* Helper for systems with no getaddrinfo(): make one or more addrinfos out of - * a struct hostent. - */ -static struct evutil_addrinfo * -addrinfo_from_hostent(const struct hostent *ent, - int port, const struct evutil_addrinfo *hints) -{ - int i; - struct sockaddr_in sin; - struct sockaddr_in6 sin6; - struct sockaddr *sa; - int socklen; - struct evutil_addrinfo *res=NULL, *ai; - void *addrp; - - if (ent->h_addrtype == PF_INET) { - memset(&sin, 0, sizeof(sin)); - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - sa = (struct sockaddr *)&sin; - socklen = sizeof(struct sockaddr_in); - addrp = &sin.sin_addr; - if (ent->h_length != sizeof(sin.sin_addr)) { - event_warnx("Weird h_length from gethostbyname"); - return NULL; - } - } else if (ent->h_addrtype == PF_INET6) { - memset(&sin6, 0, sizeof(sin6)); - sin6.sin6_family = AF_INET6; - sin6.sin6_port = htons(port); - sa = (struct sockaddr *)&sin6; - socklen = sizeof(struct sockaddr_in); - addrp = &sin6.sin6_addr; - if (ent->h_length != sizeof(sin6.sin6_addr)) { - event_warnx("Weird h_length from gethostbyname"); - return NULL; - } - } else - return NULL; - - for (i = 0; ent->h_addr_list[i]; ++i) { - memcpy(addrp, ent->h_addr_list[i], ent->h_length); - ai = evutil_new_addrinfo(sa, socklen, hints); - if (!ai) { - evutil_freeaddrinfo(res); - return NULL; - } - res = evutil_addrinfo_append(res, ai); - } - - if (res && ((hints->ai_flags & EVUTIL_AI_CANONNAME) && ent->h_name)) { - res->ai_canonname = mm_strdup(ent->h_name); - if (res->ai_canonname == NULL) { - evutil_freeaddrinfo(res); - return NULL; - } - } - - return res; -} -#endif - -/* If the EVUTIL_AI_ADDRCONFIG flag is set on hints->ai_flags, and - * hints->ai_family is PF_UNSPEC, then revise the value of hints->ai_family so - * that we'll only get addresses we could maybe connect to. - */ -void -evutil_adjust_hints_for_addrconfig(struct evutil_addrinfo *hints) -{ - if (!(hints->ai_flags & EVUTIL_AI_ADDRCONFIG)) - return; - if (hints->ai_family != PF_UNSPEC) - return; - if (!have_checked_interfaces) - evutil_check_interfaces(0); - if (had_ipv4_address && !had_ipv6_address) { - hints->ai_family = PF_INET; - } else if (!had_ipv4_address && had_ipv6_address) { - hints->ai_family = PF_INET6; - } -} - -#ifdef USE_NATIVE_GETADDRINFO -static int need_numeric_port_hack_=0; -static int need_socktype_protocol_hack_=0; -static int tested_for_getaddrinfo_hacks=0; - -/* Some older BSDs (like OpenBSD up to 4.6) used to believe that - giving a numeric port without giving an ai_socktype was verboten. - We test for this so we can apply an appropriate workaround. If it - turns out that the bug is present, then: - - - If nodename==NULL and servname is numeric, we build an answer - ourselves using evutil_getaddrinfo_common(). - - - If nodename!=NULL and servname is numeric, then we set - servname=NULL when calling getaddrinfo, and post-process the - result to set the ports on it. - - We test for this bug at runtime, since otherwise we can't have the - same binary run on multiple BSD versions. - - - Some versions of Solaris believe that it's nice to leave to protocol - field set to 0. We test for this so we can apply an appropriate - workaround. -*/ -static void -test_for_getaddrinfo_hacks(void) -{ - int r, r2; - struct evutil_addrinfo *ai=NULL, *ai2=NULL; - struct evutil_addrinfo hints; - - memset(&hints,0,sizeof(hints)); - hints.ai_family = PF_UNSPEC; - hints.ai_flags = -#ifdef AI_NUMERICHOST - AI_NUMERICHOST | -#endif -#ifdef AI_NUMERICSERV - AI_NUMERICSERV | -#endif - 0; - r = getaddrinfo("1.2.3.4", "80", &hints, &ai); - hints.ai_socktype = SOCK_STREAM; - r2 = getaddrinfo("1.2.3.4", "80", &hints, &ai2); - if (r2 == 0 && r != 0) { - need_numeric_port_hack_=1; - } - if (ai2 && ai2->ai_protocol == 0) { - need_socktype_protocol_hack_=1; - } - - if (ai) - freeaddrinfo(ai); - if (ai2) - freeaddrinfo(ai2); - tested_for_getaddrinfo_hacks=1; -} - -static inline int -need_numeric_port_hack(void) -{ - if (!tested_for_getaddrinfo_hacks) - test_for_getaddrinfo_hacks(); - return need_numeric_port_hack_; -} - -static inline int -need_socktype_protocol_hack(void) -{ - if (!tested_for_getaddrinfo_hacks) - test_for_getaddrinfo_hacks(); - return need_socktype_protocol_hack_; -} - -static void -apply_numeric_port_hack(int port, struct evutil_addrinfo **ai) -{ - /* Now we run through the list and set the ports on all of the - * results where ports would make sense. */ - for ( ; *ai; ai = &(*ai)->ai_next) { - struct sockaddr *sa = (*ai)->ai_addr; - if (sa && sa->sa_family == AF_INET) { - struct sockaddr_in *sin = (struct sockaddr_in*)sa; - sin->sin_port = htons(port); - } else if (sa && sa->sa_family == AF_INET6) { - struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)sa; - sin6->sin6_port = htons(port); - } else { - /* A numeric port makes no sense here; remove this one - * from the list. */ - struct evutil_addrinfo *victim = *ai; - *ai = victim->ai_next; - victim->ai_next = NULL; - freeaddrinfo(victim); - } - } -} - -static int -apply_socktype_protocol_hack(struct evutil_addrinfo *ai) -{ - struct evutil_addrinfo *ai_new; - for (; ai; ai = ai->ai_next) { - evutil_getaddrinfo_infer_protocols(ai); - if (ai->ai_socktype || ai->ai_protocol) - continue; - ai_new = mm_malloc(sizeof(*ai_new)); - if (!ai_new) - return -1; - memcpy(ai_new, ai, sizeof(*ai_new)); - ai->ai_socktype = SOCK_STREAM; - ai->ai_protocol = IPPROTO_TCP; - ai_new->ai_socktype = SOCK_DGRAM; - ai_new->ai_protocol = IPPROTO_UDP; - - ai_new->ai_next = ai->ai_next; - ai->ai_next = ai_new; - } - return 0; -} -#endif - -int -evutil_getaddrinfo(const char *nodename, const char *servname, - const struct evutil_addrinfo *hints_in, struct evutil_addrinfo **res) -{ -#ifdef USE_NATIVE_GETADDRINFO - struct evutil_addrinfo hints; - int portnum=-1, need_np_hack, err; - - if (hints_in) { - memcpy(&hints, hints_in, sizeof(hints)); - } else { - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - } - -#ifndef AI_ADDRCONFIG - /* Not every system has AI_ADDRCONFIG, so fake it. */ - if (hints.ai_family == PF_UNSPEC && - (hints.ai_flags & EVUTIL_AI_ADDRCONFIG)) { - evutil_adjust_hints_for_addrconfig(&hints); - } -#endif - -#ifndef AI_NUMERICSERV - /* Not every system has AI_NUMERICSERV, so fake it. */ - if (hints.ai_flags & EVUTIL_AI_NUMERICSERV) { - if (servname && parse_numeric_servname(servname)<0) - return EVUTIL_EAI_NONAME; - } -#endif - - /* Enough operating systems handle enough common non-resolve - * cases here weirdly enough that we are better off just - * overriding them. For example: - * - * - Windows doesn't like to infer the protocol from the - * socket type, or fill in socket or protocol types much at - * all. It also seems to do its own broken implicit - * always-on version of AI_ADDRCONFIG that keeps it from - * ever resolving even a literal IPv6 address when - * ai_addrtype is PF_UNSPEC. - */ -#ifdef WIN32 - { - int tmp_port; - err = evutil_getaddrinfo_common(nodename,servname,&hints, - res, &tmp_port); - if (err == 0 || - err == EVUTIL_EAI_MEMORY || - err == EVUTIL_EAI_NONAME) - return err; - /* If we make it here, the system getaddrinfo can - * have a crack at it. */ - } -#endif - - /* See documentation for need_numeric_port_hack above.*/ - need_np_hack = need_numeric_port_hack() && servname && !hints.ai_socktype - && ((portnum=parse_numeric_servname(servname)) >= 0); - if (need_np_hack) { - if (!nodename) - return evutil_getaddrinfo_common( - NULL,servname,&hints, res, &portnum); - servname = NULL; - } - - if (need_socktype_protocol_hack()) { - evutil_getaddrinfo_infer_protocols(&hints); - } - - /* Make sure that we didn't actually steal any AI_FLAGS values that - * the system is using. (This is a constant expression, and should ge - * optimized out.) - * - * XXXX Turn this into a compile-time failure rather than a run-time - * failure. - */ - EVUTIL_ASSERT((ALL_NONNATIVE_AI_FLAGS & ALL_NATIVE_AI_FLAGS) == 0); - - /* Clear any flags that only libevent understands. */ - hints.ai_flags &= ~ALL_NONNATIVE_AI_FLAGS; - - err = getaddrinfo(nodename, servname, &hints, res); - if (need_np_hack) - apply_numeric_port_hack(portnum, res); - - if (need_socktype_protocol_hack()) { - if (apply_socktype_protocol_hack(*res) < 0) { - evutil_freeaddrinfo(*res); - *res = NULL; - return EVUTIL_EAI_MEMORY; - } - } - return err; -#else - int port=0, err; - struct hostent *ent = NULL; - struct evutil_addrinfo hints; - - if (hints_in) { - memcpy(&hints, hints_in, sizeof(hints)); - } else { - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - } - - evutil_adjust_hints_for_addrconfig(&hints); - - err = evutil_getaddrinfo_common(nodename, servname, &hints, res, &port); - if (err != EVUTIL_EAI_NEED_RESOLVE) { - /* We either succeeded or failed. No need to continue */ - return err; - } - - err = 0; - /* Use any of the various gethostbyname_r variants as available. */ - { -#ifdef _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG - /* This one is what glibc provides. */ - char buf[2048]; - struct hostent hostent; - int r; - r = gethostbyname_r(nodename, &hostent, buf, sizeof(buf), &ent, - &err); -#elif defined(_EVENT_HAVE_GETHOSTBYNAME_R_5_ARG) - char buf[2048]; - struct hostent hostent; - ent = gethostbyname_r(nodename, &hostent, buf, sizeof(buf), - &err); -#elif defined(_EVENT_HAVE_GETHOSTBYNAME_R_3_ARG) - struct hostent_data data; - struct hostent hostent; - memset(&data, 0, sizeof(data)); - err = gethostbyname_r(nodename, &hostent, &data); - ent = err ? NULL : &hostent; -#else - /* fall back to gethostbyname. */ - /* XXXX This needs a lock everywhere but Windows. */ - ent = gethostbyname(nodename); -#ifdef WIN32 - err = WSAGetLastError(); -#else - err = h_errno; -#endif -#endif - - /* Now we have either ent or err set. */ - if (!ent) { - /* XXX is this right for windows ? */ - switch (err) { - case TRY_AGAIN: - return EVUTIL_EAI_AGAIN; - case NO_RECOVERY: - default: - return EVUTIL_EAI_FAIL; - case HOST_NOT_FOUND: - return EVUTIL_EAI_NONAME; - case NO_ADDRESS: -#if NO_DATA != NO_ADDRESS - case NO_DATA: -#endif - return EVUTIL_EAI_NODATA; - } - } - - if (ent->h_addrtype != hints.ai_family && - hints.ai_family != PF_UNSPEC) { - /* This wasn't the type we were hoping for. Too bad - * we never had a chance to ask gethostbyname for what - * we wanted. */ - return EVUTIL_EAI_NONAME; - } - - /* Make sure we got _some_ answers. */ - if (ent->h_length == 0) - return EVUTIL_EAI_NODATA; - - /* If we got an address type we don't know how to make a - sockaddr for, give up. */ - if (ent->h_addrtype != PF_INET && ent->h_addrtype != PF_INET6) - return EVUTIL_EAI_FAMILY; - - *res = addrinfo_from_hostent(ent, port, &hints); - if (! *res) - return EVUTIL_EAI_MEMORY; - } - - return 0; -#endif -} - -void -evutil_freeaddrinfo(struct evutil_addrinfo *ai) -{ -#ifdef _EVENT_HAVE_GETADDRINFO - if (!(ai->ai_flags & EVUTIL_AI_LIBEVENT_ALLOCATED)) { - freeaddrinfo(ai); - return; - } -#endif - while (ai) { - struct evutil_addrinfo *next = ai->ai_next; - if (ai->ai_canonname) - mm_free(ai->ai_canonname); - mm_free(ai); - ai = next; - } -} - -static evdns_getaddrinfo_fn evdns_getaddrinfo_impl = NULL; - -void -evutil_set_evdns_getaddrinfo_fn(evdns_getaddrinfo_fn fn) -{ - if (!evdns_getaddrinfo_impl) - evdns_getaddrinfo_impl = fn; -} - -/* Internal helper function: act like evdns_getaddrinfo if dns_base is set; - * otherwise do a blocking resolve and pass the result to the callback in the - * way that evdns_getaddrinfo would. - */ -int -evutil_getaddrinfo_async(struct evdns_base *dns_base, - const char *nodename, const char *servname, - const struct evutil_addrinfo *hints_in, - void (*cb)(int, struct evutil_addrinfo *, void *), void *arg) -{ - if (dns_base && evdns_getaddrinfo_impl) { - evdns_getaddrinfo_impl( - dns_base, nodename, servname, hints_in, cb, arg); - } else { - struct evutil_addrinfo *ai=NULL; - int err; - err = evutil_getaddrinfo(nodename, servname, hints_in, &ai); - cb(err, ai, arg); - } - return 0; -} - -const char * -evutil_gai_strerror(int err) -{ - /* As a sneaky side-benefit, this case statement will get most - * compilers to tell us if any of the error codes we defined - * conflict with the platform's native error codes. */ - switch (err) { - case EVUTIL_EAI_CANCEL: - return "Request canceled"; - case 0: - return "No error"; - - case EVUTIL_EAI_ADDRFAMILY: - return "address family for nodename not supported"; - case EVUTIL_EAI_AGAIN: - return "temporary failure in name resolution"; - case EVUTIL_EAI_BADFLAGS: - return "invalid value for ai_flags"; - case EVUTIL_EAI_FAIL: - return "non-recoverable failure in name resolution"; - case EVUTIL_EAI_FAMILY: - return "ai_family not supported"; - case EVUTIL_EAI_MEMORY: - return "memory allocation failure"; - case EVUTIL_EAI_NODATA: - return "no address associated with nodename"; - case EVUTIL_EAI_NONAME: - return "nodename nor servname provided, or not known"; - case EVUTIL_EAI_SERVICE: - return "servname not supported for ai_socktype"; - case EVUTIL_EAI_SOCKTYPE: - return "ai_socktype not supported"; - case EVUTIL_EAI_SYSTEM: - return "system error"; - default: -#if defined(USE_NATIVE_GETADDRINFO) && defined(WIN32) - return gai_strerrorA(err); -#elif defined(USE_NATIVE_GETADDRINFO) - return gai_strerror(err); -#else - return "Unknown error code"; -#endif - } -} - -#ifdef WIN32 -#define E(code, s) { code, (s " [" #code " ]") } -static struct { int code; const char *msg; } windows_socket_errors[] = { - E(WSAEINTR, "Interrupted function call"), - E(WSAEACCES, "Permission denied"), - E(WSAEFAULT, "Bad address"), - E(WSAEINVAL, "Invalid argument"), - E(WSAEMFILE, "Too many open files"), - E(WSAEWOULDBLOCK, "Resource temporarily unavailable"), - E(WSAEINPROGRESS, "Operation now in progress"), - E(WSAEALREADY, "Operation already in progress"), - E(WSAENOTSOCK, "Socket operation on nonsocket"), - E(WSAEDESTADDRREQ, "Destination address required"), - E(WSAEMSGSIZE, "Message too long"), - E(WSAEPROTOTYPE, "Protocol wrong for socket"), - E(WSAENOPROTOOPT, "Bad protocol option"), - E(WSAEPROTONOSUPPORT, "Protocol not supported"), - E(WSAESOCKTNOSUPPORT, "Socket type not supported"), - /* What's the difference between NOTSUPP and NOSUPPORT? :) */ - E(WSAEOPNOTSUPP, "Operation not supported"), - E(WSAEPFNOSUPPORT, "Protocol family not supported"), - E(WSAEAFNOSUPPORT, "Address family not supported by protocol family"), - E(WSAEADDRINUSE, "Address already in use"), - E(WSAEADDRNOTAVAIL, "Cannot assign requested address"), - E(WSAENETDOWN, "Network is down"), - E(WSAENETUNREACH, "Network is unreachable"), - E(WSAENETRESET, "Network dropped connection on reset"), - E(WSAECONNABORTED, "Software caused connection abort"), - E(WSAECONNRESET, "Connection reset by peer"), - E(WSAENOBUFS, "No buffer space available"), - E(WSAEISCONN, "Socket is already connected"), - E(WSAENOTCONN, "Socket is not connected"), - E(WSAESHUTDOWN, "Cannot send after socket shutdown"), - E(WSAETIMEDOUT, "Connection timed out"), - E(WSAECONNREFUSED, "Connection refused"), - E(WSAEHOSTDOWN, "Host is down"), - E(WSAEHOSTUNREACH, "No route to host"), - E(WSAEPROCLIM, "Too many processes"), - - /* Yes, some of these start with WSA, not WSAE. No, I don't know why. */ - E(WSASYSNOTREADY, "Network subsystem is unavailable"), - E(WSAVERNOTSUPPORTED, "Winsock.dll out of range"), - E(WSANOTINITIALISED, "Successful WSAStartup not yet performed"), - E(WSAEDISCON, "Graceful shutdown now in progress"), -#ifdef WSATYPE_NOT_FOUND - E(WSATYPE_NOT_FOUND, "Class type not found"), -#endif - E(WSAHOST_NOT_FOUND, "Host not found"), - E(WSATRY_AGAIN, "Nonauthoritative host not found"), - E(WSANO_RECOVERY, "This is a nonrecoverable error"), - E(WSANO_DATA, "Valid name, no data record of requested type)"), - - /* There are some more error codes whose numeric values are marked - * <b>OS dependent</b>. They start with WSA_, apparently for the same - * reason that practitioners of some craft traditions deliberately - * introduce imperfections into their baskets and rugs "to allow the - * evil spirits to escape." If we catch them, then our binaries - * might not report consistent results across versions of Windows. - * Thus, I'm going to let them all fall through. - */ - { -1, NULL }, -}; -#undef E -/** Equivalent to strerror, but for windows socket errors. */ -const char * -evutil_socket_error_to_string(int errcode) -{ - /* XXXX Is there really no built-in function to do this? */ - int i; - for (i=0; windows_socket_errors[i].code >= 0; ++i) { - if (errcode == windows_socket_errors[i].code) - return windows_socket_errors[i].msg; - } - return strerror(errcode); -} -#endif - -int -evutil_snprintf(char *buf, size_t buflen, const char *format, ...) -{ - int r; - va_list ap; - va_start(ap, format); - r = evutil_vsnprintf(buf, buflen, format, ap); - va_end(ap); - return r; -} - -int -evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) -{ - int r; - if (!buflen) - return 0; -#if defined(_MSC_VER) || defined(WIN32) - r = _vsnprintf(buf, buflen, format, ap); - if (r < 0) - r = _vscprintf(format, ap); -#elif defined(sgi) - /* Make sure we always use the correct vsnprintf on IRIX */ - extern int _xpg5_vsnprintf(char * __restrict, - __SGI_LIBC_NAMESPACE_QUALIFIER size_t, - const char * __restrict, /* va_list */ char *); - - r = _xpg5_vsnprintf(buf, buflen, format, ap); -#else - r = vsnprintf(buf, buflen, format, ap); -#endif - buf[buflen-1] = '\0'; - return r; -} - -#define USE_INTERNAL_NTOP -#define USE_INTERNAL_PTON - -const char * -evutil_inet_ntop(int af, const void *src, char *dst, size_t len) -{ -#if defined(_EVENT_HAVE_INET_NTOP) && !defined(USE_INTERNAL_NTOP) - return inet_ntop(af, src, dst, len); -#else - if (af == AF_INET) { - const struct in_addr *in = src; - const ev_uint32_t a = ntohl(in->s_addr); - int r; - r = evutil_snprintf(dst, len, "%d.%d.%d.%d", - (int)(ev_uint8_t)((a>>24)&0xff), - (int)(ev_uint8_t)((a>>16)&0xff), - (int)(ev_uint8_t)((a>>8 )&0xff), - (int)(ev_uint8_t)((a )&0xff)); - if (r<0||(size_t)r>=len) - return NULL; - else - return dst; -#ifdef AF_INET6 - } else if (af == AF_INET6) { - const struct in6_addr *addr = src; - char buf[64], *cp; - int longestGapLen = 0, longestGapPos = -1, i, - curGapPos = -1, curGapLen = 0; - ev_uint16_t words[8]; - for (i = 0; i < 8; ++i) { - words[i] = - (((ev_uint16_t)addr->s6_addr[2*i])<<8) + addr->s6_addr[2*i+1]; - } - if (words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && - words[4] == 0 && ((words[5] == 0 && words[6] && words[7]) || - (words[5] == 0xffff))) { - /* This is an IPv4 address. */ - if (words[5] == 0) { - evutil_snprintf(buf, sizeof(buf), "::%d.%d.%d.%d", - addr->s6_addr[12], addr->s6_addr[13], - addr->s6_addr[14], addr->s6_addr[15]); - } else { - evutil_snprintf(buf, sizeof(buf), "::%x:%d.%d.%d.%d", words[5], - addr->s6_addr[12], addr->s6_addr[13], - addr->s6_addr[14], addr->s6_addr[15]); - } - if (strlen(buf) > len) - return NULL; - strlcpy(dst, buf, len); - return dst; - } - i = 0; - while (i < 8) { - if (words[i] == 0) { - curGapPos = i++; - curGapLen = 1; - while (i<8 && words[i] == 0) { - ++i; ++curGapLen; - } - if (curGapLen > longestGapLen) { - longestGapPos = curGapPos; - longestGapLen = curGapLen; - } - } else { - ++i; - } - } - if (longestGapLen<=1) - longestGapPos = -1; - - cp = buf; - for (i = 0; i < 8; ++i) { - if (words[i] == 0 && longestGapPos == i) { - if (i == 0) - *cp++ = ':'; - *cp++ = ':'; - while (i < 8 && words[i] == 0) - ++i; - --i; /* to compensate for loop increment. */ - } else { - evutil_snprintf(cp, - sizeof(buf)-(cp-buf), "%x", (unsigned)words[i]); - cp += strlen(cp); - if (i != 7) - *cp++ = ':'; - } - } - *cp = '\0'; - if (strlen(buf) > len) - return NULL; - strlcpy(dst, buf, len); - return dst; -#endif - } else { - return NULL; - } -#endif -} - -int -evutil_inet_pton(int af, const char *src, void *dst) -{ -#if defined(_EVENT_HAVE_INET_PTON) && !defined(USE_INTERNAL_PTON) - return inet_pton(af, src, dst); -#else - if (af == AF_INET) { - int a,b,c,d; - char more; - struct in_addr *addr = dst; - if (sscanf(src, "%d.%d.%d.%d%c", &a,&b,&c,&d,&more) != 4) - return 0; - if (a < 0 || a > 255) return 0; - if (b < 0 || b > 255) return 0; - if (c < 0 || c > 255) return 0; - if (d < 0 || d > 255) return 0; - addr->s_addr = htonl((a<<24) | (b<<16) | (c<<8) | d); - return 1; -#ifdef AF_INET6 - } else if (af == AF_INET6) { - struct in6_addr *out = dst; - ev_uint16_t words[8]; - int gapPos = -1, i, setWords=0; - const char *dot = strchr(src, '.'); - const char *eow; /* end of words. */ - if (dot == src) - return 0; - else if (!dot) - eow = src+strlen(src); - else { - int byte1,byte2,byte3,byte4; - char more; - for (eow = dot-1; eow >= src && EVUTIL_ISDIGIT(*eow); --eow) - ; - ++eow; - - /* We use "scanf" because some platform inet_aton()s are too lax - * about IPv4 addresses of the form "1.2.3" */ - if (sscanf(eow, "%d.%d.%d.%d%c", - &byte1,&byte2,&byte3,&byte4,&more) != 4) - return 0; - - if (byte1 > 255 || byte1 < 0 || - byte2 > 255 || byte2 < 0 || - byte3 > 255 || byte3 < 0 || - byte4 > 255 || byte4 < 0) - return 0; - - words[6] = (byte1<<8) | byte2; - words[7] = (byte3<<8) | byte4; - setWords += 2; - } - - i = 0; - while (src < eow) { - if (i > 7) - return 0; - if (EVUTIL_ISXDIGIT(*src)) { - char *next; - long r = strtol(src, &next, 16); - if (next > 4+src) - return 0; - if (next == src) - return 0; - if (r<0 || r>65536) - return 0; - - words[i++] = (ev_uint16_t)r; - setWords++; - src = next; - if (*src != ':' && src != eow) - return 0; - ++src; - } else if (*src == ':' && i > 0 && gapPos==-1) { - gapPos = i; - ++src; - } else if (*src == ':' && i == 0 && src[1] == ':' && gapPos==-1) { - gapPos = i; - src += 2; - } else { - return 0; - } - } - - if (setWords > 8 || - (setWords == 8 && gapPos != -1) || - (setWords < 8 && gapPos == -1)) - return 0; - - if (gapPos >= 0) { - int nToMove = setWords - (dot ? 2 : 0) - gapPos; - int gapLen = 8 - setWords; - /* assert(nToMove >= 0); */ - if (nToMove < 0) - return -1; /* should be impossible */ - memmove(&words[gapPos+gapLen], &words[gapPos], - sizeof(ev_uint16_t)*nToMove); - memset(&words[gapPos], 0, sizeof(ev_uint16_t)*gapLen); - } - for (i = 0; i < 8; ++i) { - out->s6_addr[2*i ] = words[i] >> 8; - out->s6_addr[2*i+1] = words[i] & 0xff; - } - - return 1; -#endif - } else { - return -1; - } -#endif -} - -int -evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int *outlen) -{ - int port; - char buf[128]; - const char *cp, *addr_part, *port_part; - int is_ipv6; - /* recognized formats are: - * [ipv6]:port - * ipv6 - * [ipv6] - * ipv4:port - * ipv4 - */ - - cp = strchr(ip_as_string, ':'); - if (*ip_as_string == '[') { - int len; - if (!(cp = strchr(ip_as_string, ']'))) { - return -1; - } - len = (int) ( cp-(ip_as_string + 1) ); - if (len > (int)sizeof(buf)-1) { - return -1; - } - memcpy(buf, ip_as_string+1, len); - buf[len] = '\0'; - addr_part = buf; - if (cp[1] == ':') - port_part = cp+2; - else - port_part = NULL; - is_ipv6 = 1; - } else if (cp && strchr(cp+1, ':')) { - is_ipv6 = 1; - addr_part = ip_as_string; - port_part = NULL; - } else if (cp) { - is_ipv6 = 0; - if (cp - ip_as_string > (int)sizeof(buf)-1) { - return -1; - } - memcpy(buf, ip_as_string, cp-ip_as_string); - buf[cp-ip_as_string] = '\0'; - addr_part = buf; - port_part = cp+1; - } else { - addr_part = ip_as_string; - port_part = NULL; - is_ipv6 = 0; - } - - if (port_part == NULL) { - port = 0; - } else { - port = atoi(port_part); - if (port <= 0 || port > 65535) { - return -1; - } - } - - if (!addr_part) - return -1; /* Should be impossible. */ -#ifdef AF_INET6 - if (is_ipv6) - { - struct sockaddr_in6 sin6; - memset(&sin6, 0, sizeof(sin6)); -#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN - sin6.sin6_len = sizeof(sin6); -#endif - sin6.sin6_family = AF_INET6; - sin6.sin6_port = htons(port); - if (1 != evutil_inet_pton(AF_INET6, addr_part, &sin6.sin6_addr)) - return -1; - if ((int)sizeof(sin6) > *outlen) - return -1; - memset(out, 0, *outlen); - memcpy(out, &sin6, sizeof(sin6)); - *outlen = sizeof(sin6); - return 0; - } - else -#endif - { - struct sockaddr_in sin; - memset(&sin, 0, sizeof(sin)); -#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN - sin.sin_len = sizeof(sin); -#endif - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - if (1 != evutil_inet_pton(AF_INET, addr_part, &sin.sin_addr)) - return -1; - if ((int)sizeof(sin) > *outlen) - return -1; - memset(out, 0, *outlen); - memcpy(out, &sin, sizeof(sin)); - *outlen = sizeof(sin); - return 0; - } -} - -const char * -evutil_format_sockaddr_port(const struct sockaddr *sa, char *out, size_t outlen) -{ - char b[128]; - const char *res=NULL; - int port; - if (sa->sa_family == AF_INET) { - const struct sockaddr_in *sin = (const struct sockaddr_in*)sa; - res = evutil_inet_ntop(AF_INET, &sin->sin_addr,b,sizeof(b)); - port = ntohs(sin->sin_port); - if (res) { - evutil_snprintf(out, outlen, "%s:%d", b, port); - return out; - } - } else if (sa->sa_family == AF_INET6) { - const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6*)sa; - res = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr,b,sizeof(b)); - port = ntohs(sin6->sin6_port); - if (res) { - evutil_snprintf(out, outlen, "[%s]:%d", b, port); - return out; - } - } - - evutil_snprintf(out, outlen, "<addr with socktype %d>", - (int)sa->sa_family); - return out; -} - -int -evutil_sockaddr_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2, - int include_port) -{ - int r; - if (0 != (r = (sa1->sa_family - sa2->sa_family))) - return r; - - if (sa1->sa_family == AF_INET) { - const struct sockaddr_in *sin1, *sin2; - sin1 = (const struct sockaddr_in *)sa1; - sin2 = (const struct sockaddr_in *)sa2; - if (sin1->sin_addr.s_addr < sin2->sin_addr.s_addr) - return -1; - else if (sin1->sin_addr.s_addr > sin2->sin_addr.s_addr) - return 1; - else if (include_port && - (r = ((int)sin1->sin_port - (int)sin2->sin_port))) - return r; - else - return 0; - } -#ifdef AF_INET6 - else if (sa1->sa_family == AF_INET6) { - const struct sockaddr_in6 *sin1, *sin2; - sin1 = (const struct sockaddr_in6 *)sa1; - sin2 = (const struct sockaddr_in6 *)sa2; - if ((r = memcmp(sin1->sin6_addr.s6_addr, sin2->sin6_addr.s6_addr, 16))) - return r; - else if (include_port && - (r = ((int)sin1->sin6_port - (int)sin2->sin6_port))) - return r; - else - return 0; - } -#endif - return 1; -} - -/* Tables to implement ctypes-replacement EVUTIL_IS*() functions. Each table - * has 256 bits to look up whether a character is in some set or not. This - * fails on non-ASCII platforms, but so does every other place where we - * take a char and write it onto the network. - **/ -static const ev_uint32_t EVUTIL_ISALPHA_TABLE[8] = - { 0, 0, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISALNUM_TABLE[8] = - { 0, 0x3ff0000, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISSPACE_TABLE[8] = { 0x3e00, 0x1, 0, 0, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISXDIGIT_TABLE[8] = - { 0, 0x3ff0000, 0x7e, 0x7e, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISDIGIT_TABLE[8] = { 0, 0x3ff0000, 0, 0, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISPRINT_TABLE[8] = - { 0, 0xffffffff, 0xffffffff, 0x7fffffff, 0, 0, 0, 0x0 }; -static const ev_uint32_t EVUTIL_ISUPPER_TABLE[8] = { 0, 0, 0x7fffffe, 0, 0, 0, 0, 0 }; -static const ev_uint32_t EVUTIL_ISLOWER_TABLE[8] = { 0, 0, 0, 0x7fffffe, 0, 0, 0, 0 }; -/* Upper-casing and lowercasing tables to map characters to upper/lowercase - * equivalents. */ -static const unsigned char EVUTIL_TOUPPER_TABLE[256] = { - 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, - 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, - 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, - 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63, - 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79, - 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95, - 96,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79, - 80,81,82,83,84,85,86,87,88,89,90,123,124,125,126,127, - 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, - 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, - 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, - 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, - 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, - 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, - 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, - 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, -}; -static const unsigned char EVUTIL_TOLOWER_TABLE[256] = { - 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, - 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, - 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, - 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63, - 64,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111, - 112,113,114,115,116,117,118,119,120,121,122,91,92,93,94,95, - 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111, - 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, - 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, - 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, - 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, - 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, - 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, - 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, - 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, - 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, -}; - -#define IMPL_CTYPE_FN(name) \ - int EVUTIL_##name(char c) { \ - ev_uint8_t u = c; \ - return !!(EVUTIL_##name##_TABLE[(u >> 5) & 7] & (1 << (u & 31))); \ - } -IMPL_CTYPE_FN(ISALPHA) -IMPL_CTYPE_FN(ISALNUM) -IMPL_CTYPE_FN(ISSPACE) -IMPL_CTYPE_FN(ISDIGIT) -IMPL_CTYPE_FN(ISXDIGIT) -IMPL_CTYPE_FN(ISPRINT) -IMPL_CTYPE_FN(ISLOWER) -IMPL_CTYPE_FN(ISUPPER) - -char EVUTIL_TOLOWER(char c) -{ - return ((char)EVUTIL_TOLOWER_TABLE[(ev_uint8_t)c]); -} -char EVUTIL_TOUPPER(char c) -{ - return ((char)EVUTIL_TOUPPER_TABLE[(ev_uint8_t)c]); -} -int -evutil_ascii_strcasecmp(const char *s1, const char *s2) -{ - char c1, c2; - while (1) { - c1 = EVUTIL_TOLOWER(*s1++); - c2 = EVUTIL_TOLOWER(*s2++); - if (c1 < c2) - return -1; - else if (c1 > c2) - return 1; - else if (c1 == 0) - return 0; - } -} -int evutil_ascii_strncasecmp(const char *s1, const char *s2, size_t n) -{ - char c1, c2; - while (n--) { - c1 = EVUTIL_TOLOWER(*s1++); - c2 = EVUTIL_TOLOWER(*s2++); - if (c1 < c2) - return -1; - else if (c1 > c2) - return 1; - else if (c1 == 0) - return 0; - } - return 0; -} - -static int -evutil_issetugid(void) -{ -//#ifdef _EVENT_HAVE_ISSETUGID -// return issetugid(); -//#else - -//#ifdef _EVENT_HAVE_GETEUID -// if (getuid() != geteuid()) -// return 1; -//#endif -//#ifdef _EVENT_HAVE_GETEGID -// if (getgid() != getegid()) -// return 1; -//#endif - return 0; -//#endif -} - -const char * -evutil_getenv(const char *varname) -{ - if (evutil_issetugid()) - return NULL; - - return getenv(varname); -} - -long -_evutil_weakrand(void) -{ -#ifdef WIN32 - return rand(); -#else - return random(); -#endif -} - -/** - * Volatile pointer to memset: we use this to keep the compiler from - * eliminating our call to memset. - */ -void * (*volatile evutil_memset_volatile_)(void *, int, size_t) = memset; - -void -evutil_memclear_(void *mem, size_t len) -{ - evutil_memset_volatile_(mem, 0, len); -} - -int -evutil_sockaddr_is_loopback(const struct sockaddr *addr) -{ - static const char LOOPBACK_S6[16] = - "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1"; - if (addr->sa_family == AF_INET) { - struct sockaddr_in *sin = (struct sockaddr_in *)addr; - return (ntohl(sin->sin_addr.s_addr) & 0xff000000) == 0x7f000000; - } else if (addr->sa_family == AF_INET6) { - struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr; - return !memcmp(sin6->sin6_addr.s6_addr, LOOPBACK_S6, 16); - } - return 0; -} - -#define MAX_SECONDS_IN_MSEC_LONG \ - (((LONG_MAX) - 999) / 1000) - -long -evutil_tv_to_msec(const struct timeval *tv) -{ - if (tv->tv_usec > 1000000 || tv->tv_sec > MAX_SECONDS_IN_MSEC_LONG) - return -1; - - return (tv->tv_sec * 1000) + ((tv->tv_usec + 999) / 1000); -} - -int -evutil_hex_char_to_int(char c) -{ - switch(c) - { - case '0': return 0; - case '1': return 1; - case '2': return 2; - case '3': return 3; - case '4': return 4; - case '5': return 5; - case '6': return 6; - case '7': return 7; - case '8': return 8; - case '9': return 9; - case 'A': case 'a': return 10; - case 'B': case 'b': return 11; - case 'C': case 'c': return 12; - case 'D': case 'd': return 13; - case 'E': case 'e': return 14; - case 'F': case 'f': return 15; - } - return -1; -} - -#ifdef WIN32 -HANDLE -evutil_load_windows_system_library(const TCHAR *library_name) -{ - TCHAR path[MAX_PATH]; - unsigned n; - n = GetSystemDirectory(path, MAX_PATH); - if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH) - return 0; - _tcscat(path, TEXT("\\")); - _tcscat(path, library_name); - return LoadLibrary(path); -} -#endif - diff --git a/external/libevent_files/evutil_rand.c b/external/libevent_files/evutil_rand.c deleted file mode 100644 index ed557d27..00000000 --- a/external/libevent_files/evutil_rand.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* This file has our secure PRNG code. On platforms that have arc4random(), - * we just use that. Otherwise, we include arc4random.c as a bunch of static - * functions, and wrap it lightly. We don't expose the arc4random*() APIs - * because A) they aren't in our namespace, and B) it's not nice to name your - * APIs after their implementations. We keep them in a separate file - * so that other people can rip it out and use it for whatever. - */ - -#include "event2/event-config.h" - -#include <limits.h> - -#include "util-internal.h" -#include "evthread-internal.h" - -#ifdef _EVENT_HAVE_ARC4RANDOM -#include <stdlib.h> -#include <string.h> -int -evutil_secure_rng_set_urandom_device_file(char *fname) -{ - (void) fname; - return -1; -} -int -evutil_secure_rng_init(void) -{ - /* call arc4random() now to force it to self-initialize */ - (void) arc4random(); - return 0; -} -int -evutil_secure_rng_global_setup_locks_(const int enable_locks) -{ - return 0; -} - -static void -ev_arc4random_buf(void *buf, size_t n) -{ -#if defined(_EVENT_HAVE_ARC4RANDOM_BUF) && !defined(__APPLE__) - return arc4random_buf(buf, n); -#else - unsigned char *b = buf; - -#if defined(_EVENT_HAVE_ARC4RANDOM_BUF) - /* OSX 10.7 introducd arc4random_buf, so if you build your program - * there, you'll get surprised when older versions of OSX fail to run. - * To solve this, we can check whether the function pointer is set, - * and fall back otherwise. (OSX does this using some linker - * trickery.) - */ - { - void (*tptr)(void *,size_t) = - (void (*)(void*,size_t))arc4random_buf; - if (tptr != NULL) { - return arc4random_buf(buf, n); - } - } -#endif - /* Make sure that we start out with b at a 4-byte alignment; plenty - * of CPUs care about this for 32-bit access. */ - if (n >= 4 && ((ev_uintptr_t)b) & 3) { - ev_uint32_t u = arc4random(); - int n_bytes = 4 - (((ev_uintptr_t)b) & 3); - memcpy(b, &u, n_bytes); - b += n_bytes; - n -= n_bytes; - } - while (n >= 4) { - *(ev_uint32_t*)b = arc4random(); - b += 4; - n -= 4; - } - if (n) { - ev_uint32_t u = arc4random(); - memcpy(b, &u, n); - } -#endif -} - -#else /* !_EVENT_HAVE_ARC4RANDOM { */ - -#ifdef _EVENT_ssize_t -#define ssize_t _EVENT_SSIZE_t -#endif -#define ARC4RANDOM_EXPORT static -#define _ARC4_LOCK() EVLOCK_LOCK(arc4rand_lock, 0) -#define _ARC4_UNLOCK() EVLOCK_UNLOCK(arc4rand_lock, 0) -#ifndef _EVENT_DISABLE_THREAD_SUPPORT -static void *arc4rand_lock; -#endif - -#define ARC4RANDOM_UINT32 ev_uint32_t -#define ARC4RANDOM_NOSTIR -#define ARC4RANDOM_NORANDOM -#define ARC4RANDOM_NOUNIFORM - -#include "./arc4random.c" - -#ifndef _EVENT_DISABLE_THREAD_SUPPORT -int -evutil_secure_rng_global_setup_locks_(const int enable_locks) -{ - EVTHREAD_SETUP_GLOBAL_LOCK(arc4rand_lock, 0); - return 0; -} -#endif - -int -evutil_secure_rng_set_urandom_device_file(char *fname) -{ -#ifdef TRY_SEED_URANDOM - //_ARC4_LOCK(); - arc4random_urandom_filename = fname; - //_ARC4_UNLOCK(); -#endif - return 0; -} - -int -evutil_secure_rng_init(void) -{ - int val; - - //_ARC4_LOCK(); - if (!arc4_seeded_ok) - arc4_stir(); - val = arc4_seeded_ok ? 0 : -1; - //_ARC4_UNLOCK(); - return val; -} - -static void -ev_arc4random_buf(void *buf, size_t n) -{ - arc4random_buf(buf, n); -} - -#endif /* } !_EVENT_HAVE_ARC4RANDOM */ - -void -evutil_secure_rng_get_bytes(void *buf, size_t n) -{ - ev_arc4random_buf(buf, n); -} - -void -evutil_secure_rng_add_bytes(const char *buf, size_t n) -{ -#if !defined(__BIONIC__) /* bionic and OpenBSD removed this; it's a no-op in their current implementation. */ - arc4random_addrandom((unsigned char*)buf, - n>(size_t)INT_MAX ? INT_MAX : (int)n); -#endif -} - |