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-rwxr-xr-xexternal/libcurl_android/jni/libcurl/lib/krb5.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/external/libcurl_android/jni/libcurl/lib/krb5.c b/external/libcurl_android/jni/libcurl/lib/krb5.c
deleted file mode 100755
index 7e82a680..00000000
--- a/external/libcurl_android/jni/libcurl/lib/krb5.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/* GSSAPI/krb5 support for FTP - loosely based on old krb4.c
- *
- * Copyright (c) 1995, 1996, 1997, 1998, 1999, 2013 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * Copyright (c) 2004 - 2012 Daniel Stenberg
- * All rights reserved.
- *
- * 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "curl_setup.h"
-
-#ifndef CURL_DISABLE_FTP
-#ifdef HAVE_GSSAPI
-
-#ifdef HAVE_OLD_GSSMIT
-#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
-#define NCOMPAT 1
-#endif
-
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-
-#include "urldata.h"
-#include "curl_base64.h"
-#include "ftp.h"
-#include "curl_gssapi.h"
-#include "sendf.h"
-#include "curl_sec.h"
-#include "curl_memory.h"
-#include "warnless.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-#define LOCAL_ADDR (&conn->local_addr)
-#define REMOTE_ADDR conn->ip_addr->ai_addr
-
-static int
-krb5_init(void *app_data)
-{
- gss_ctx_id_t *context = app_data;
- /* Make sure our context is initialized for krb5_end. */
- *context = GSS_C_NO_CONTEXT;
- return 0;
-}
-
-static int
-krb5_check_prot(void *app_data, int level)
-{
- (void)app_data; /* unused */
- if(level == PROT_CONFIDENTIAL)
- return -1;
- return 0;
-}
-
-static int
-krb5_decode(void *app_data, void *buf, int len,
- int level UNUSED_PARAM,
- struct connectdata *conn UNUSED_PARAM)
-{
- gss_ctx_id_t *context = app_data;
- OM_uint32 maj, min;
- gss_buffer_desc enc, dec;
-
- (void)level;
- (void)conn;
-
- enc.value = buf;
- enc.length = len;
- maj = gss_unseal(&min, *context, &enc, &dec, NULL, NULL);
- if(maj != GSS_S_COMPLETE) {
- if(len >= 4)
- strcpy(buf, "599 ");
- return -1;
- }
-
- memcpy(buf, dec.value, dec.length);
- len = curlx_uztosi(dec.length);
- gss_release_buffer(&min, &dec);
-
- return len;
-}
-
-static int
-krb5_overhead(void *app_data, int level, int len)
-{
- /* no arguments are used */
- (void)app_data;
- (void)level;
- (void)len;
- return 0;
-}
-
-static int
-krb5_encode(void *app_data, const void *from, int length, int level, void **to,
- struct connectdata *conn UNUSED_PARAM)
-{
- gss_ctx_id_t *context = app_data;
- gss_buffer_desc dec, enc;
- OM_uint32 maj, min;
- int state;
- int len;
-
- /* shut gcc up */
- conn = NULL;
-
- /* NOTE that the cast is safe, neither of the krb5, gnu gss and heimdal
- * libraries modify the input buffer in gss_seal()
- */
- dec.value = (void*)from;
- dec.length = length;
- maj = gss_seal(&min, *context,
- level == PROT_PRIVATE,
- GSS_C_QOP_DEFAULT,
- &dec, &state, &enc);
-
- if(maj != GSS_S_COMPLETE)
- return -1;
-
- /* malloc a new buffer, in case gss_release_buffer doesn't work as
- expected */
- *to = malloc(enc.length);
- if(!*to)
- return -1;
- memcpy(*to, enc.value, enc.length);
- len = curlx_uztosi(enc.length);
- gss_release_buffer(&min, &enc);
- return len;
-}
-
-static int
-krb5_auth(void *app_data, struct connectdata *conn)
-{
- int ret = AUTH_OK;
- char *p;
- const char *host = conn->host.name;
- ssize_t nread;
- curl_socklen_t l = sizeof(conn->local_addr);
- struct SessionHandle *data = conn->data;
- CURLcode result;
- const char *service = "ftp", *srv_host = "host";
- gss_buffer_desc input_buffer, output_buffer, _gssresp, *gssresp;
- OM_uint32 maj, min;
- gss_name_t gssname;
- gss_ctx_id_t *context = app_data;
- struct gss_channel_bindings_struct chan;
- size_t base64_sz = 0;
-
- if(getsockname(conn->sock[FIRSTSOCKET],
- (struct sockaddr *)LOCAL_ADDR, &l) < 0)
- perror("getsockname()");
-
- chan.initiator_addrtype = GSS_C_AF_INET;
- chan.initiator_address.length = l - 4;
- chan.initiator_address.value =
- &((struct sockaddr_in *)LOCAL_ADDR)->sin_addr.s_addr;
- chan.acceptor_addrtype = GSS_C_AF_INET;
- chan.acceptor_address.length = l - 4;
- chan.acceptor_address.value =
- &((struct sockaddr_in *)REMOTE_ADDR)->sin_addr.s_addr;
- chan.application_data.length = 0;
- chan.application_data.value = NULL;
-
- /* this loop will execute twice (once for service, once for host) */
- for(;;) {
- /* this really shouldn't be repeated here, but can't help it */
- if(service == srv_host) {
- result = Curl_ftpsendf(conn, "AUTH GSSAPI");
-
- if(result)
- return -2;
- if(Curl_GetFTPResponse(&nread, conn, NULL))
- return -1;
-
- if(data->state.buffer[0] != '3')
- return -1;
- }
-
- input_buffer.value = data->state.buffer;
- input_buffer.length = snprintf(input_buffer.value, BUFSIZE, "%s@%s",
- service, host);
- maj = gss_import_name(&min, &input_buffer, GSS_C_NT_HOSTBASED_SERVICE,
- &gssname);
- if(maj != GSS_S_COMPLETE) {
- gss_release_name(&min, &gssname);
- if(service == srv_host) {
- Curl_failf(data, "Error importing service name %s",
- input_buffer.value);
- return AUTH_ERROR;
- }
- service = srv_host;
- continue;
- }
- /* We pass NULL as |output_name_type| to avoid a leak. */
- gss_display_name(&min, gssname, &output_buffer, NULL);
- Curl_infof(data, "Trying against %s\n", output_buffer.value);
- gssresp = GSS_C_NO_BUFFER;
- *context = GSS_C_NO_CONTEXT;
-
- do {
- /* Release the buffer at each iteration to avoid leaking: the first time
- we are releasing the memory from gss_display_name. The last item is
- taken care by a final gss_release_buffer. */
- gss_release_buffer(&min, &output_buffer);
- ret = AUTH_OK;
- maj = Curl_gss_init_sec_context(data,
- &min,
- context,
- gssname,
- &Curl_krb5_mech_oid,
- &chan,
- gssresp,
- &output_buffer,
- NULL);
-
- if(gssresp) {
- free(_gssresp.value);
- gssresp = NULL;
- }
-
- if(GSS_ERROR(maj)) {
- Curl_infof(data, "Error creating security context\n");
- ret = AUTH_ERROR;
- break;
- }
-
- if(output_buffer.length != 0) {
- result = Curl_base64_encode(data, (char *)output_buffer.value,
- output_buffer.length, &p, &base64_sz);
- if(result) {
- Curl_infof(data,"base64-encoding: %s\n", curl_easy_strerror(result));
- ret = AUTH_CONTINUE;
- break;
- }
-
- result = Curl_ftpsendf(conn, "ADAT %s", p);
-
- free(p);
-
- if(result) {
- ret = -2;
- break;
- }
-
- if(Curl_GetFTPResponse(&nread, conn, NULL)) {
- ret = -1;
- break;
- }
-
- if(data->state.buffer[0] != '2' && data->state.buffer[0] != '3') {
- Curl_infof(data, "Server didn't accept auth data\n");
- ret = AUTH_ERROR;
- break;
- }
-
- p = data->state.buffer + 4;
- p = strstr(p, "ADAT=");
- if(p) {
- result = Curl_base64_decode(p + 5,
- (unsigned char **)&_gssresp.value,
- &_gssresp.length);
- if(result) {
- Curl_failf(data,"base64-decoding: %s", curl_easy_strerror(result));
- ret = AUTH_CONTINUE;
- break;
- }
- }
-
- gssresp = &_gssresp;
- }
- } while(maj == GSS_S_CONTINUE_NEEDED);
-
- gss_release_name(&min, &gssname);
- gss_release_buffer(&min, &output_buffer);
-
- if(gssresp)
- free(_gssresp.value);
-
- if(ret == AUTH_OK || service == srv_host)
- return ret;
-
- service = srv_host;
- }
- return ret;
-}
-
-static void krb5_end(void *app_data)
-{
- OM_uint32 min;
- gss_ctx_id_t *context = app_data;
- if(*context != GSS_C_NO_CONTEXT) {
-#ifdef DEBUGBUILD
- OM_uint32 maj =
-#endif
- gss_delete_sec_context(&min, context, GSS_C_NO_BUFFER);
- DEBUGASSERT(maj == GSS_S_COMPLETE);
- }
-}
-
-struct Curl_sec_client_mech Curl_krb5_client_mech = {
- "GSSAPI",
- sizeof(gss_ctx_id_t),
- krb5_init,
- krb5_auth,
- krb5_end,
- krb5_check_prot,
- krb5_overhead,
- krb5_encode,
- krb5_decode
-};
-
-#endif /* HAVE_GSSAPI */
-#endif /* CURL_DISABLE_FTP */