diff options
Diffstat (limited to 'libparc/parc/algol/parc_Network.c')
| -rw-r--r-- | libparc/parc/algol/parc_Network.c | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/libparc/parc/algol/parc_Network.c b/libparc/parc/algol/parc_Network.c deleted file mode 100644 index 2b6c8888..00000000 --- a/libparc/parc/algol/parc_Network.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Copyright (c) 2017 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - */ -#include <config.h> - -#include <parc/assert/parc_Assert.h> - -#include <sys/socket.h> -#include <ctype.h> -#include <sys/types.h> -#include <netdb.h> - -#include <parc/algol/parc_Network.h> - -#include <parc/algol/parc_Memory.h> -#include <parc/algol/parc_BufferComposer.h> -#include <parc/algol/parc_Buffer.h> -#include <parc/algol/parc_URI.h> - -struct sockaddr * -parcNetwork_SockAddress(const char *address, in_port_t port) -{ - // this is the final return value from the function - struct sockaddr *addr = NULL; - - struct addrinfo hints; - memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_family = PF_UNSPEC; - hints.ai_flags = AI_ADDRCONFIG; - - // getaddrinfo allocates this pointer - struct addrinfo *ai; - int failure = getaddrinfo(address, NULL, &hints, &ai); - if (failure == 0) { - switch (ai->ai_family) { - case PF_INET: { - struct sockaddr_in *result = parcMemory_AllocateAndClear(sizeof(struct sockaddr_in)); - parcAssertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(struct sockaddr_in)); - if (result != NULL) { - parcAssertTrue(ai->ai_addrlen == sizeof(struct sockaddr_in), - "Sockaddr wrong length, expected %zu got %u", sizeof(struct sockaddr_in), ai->ai_addrlen); - memcpy(result, ai->ai_addr, ai->ai_addrlen); - result->sin_port = htons(port); - addr = (struct sockaddr *) result; - } - break; - } - - case PF_INET6: { - struct sockaddr_in6 *result = parcMemory_AllocateAndClear(sizeof(struct sockaddr_in6)); - parcAssertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(struct sockaddr_in6)); - if (result != NULL) { - parcAssertTrue(ai->ai_addrlen == sizeof(struct sockaddr_in6), - "Sockaddr wrong length, expected %zu got %u", sizeof(struct sockaddr_in6), ai->ai_addrlen); - - memcpy(result, ai->ai_addr, ai->ai_addrlen); - result->sin6_port = htons(port); - result->sin6_flowinfo = 0; - result->sin6_scope_id = 0; - addr = (struct sockaddr *) result; - } - break; - } - - default: { - // unsupported protocol - addr = NULL; - break; - } - } - - freeaddrinfo(ai); - } - - return addr; -} - -struct sockaddr_in * -parcNetwork_SockInet4Address(const char *address, in_port_t port) -{ - struct sockaddr_in *result = parcMemory_AllocateAndClear(sizeof(struct sockaddr_in)); - parcAssertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(struct sockaddr_in)); - if (result != NULL) { - result->sin_family = AF_INET; - result->sin_port = htons(port); -#if defined(SIN6_LEN) - result->sin_len = sizeof(struct sockaddr_in); -#endif - if (inet_pton(AF_INET, address, &(result->sin_addr)) == 1) { - return result; - } - parcMemory_Deallocate((void **) &result); - } - - return NULL; -} - -struct sockaddr_in6 * -parcNetwork_SockInet6Address(const char *address, in_port_t port, uint32_t flowInfo, uint32_t scopeId) -{ - struct sockaddr_in6 *result = parcMemory_AllocateAndClear(sizeof(struct sockaddr_in6)); - parcAssertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(struct sockaddr_in6)); - if (result != NULL) { - result->sin6_family = AF_INET6; - result->sin6_port = htons(port); - result->sin6_flowinfo = flowInfo; - result->sin6_scope_id = scopeId; -#if defined(SIN6_LEN) - result->sin6_len = sizeof(struct sockaddr_in6); -#endif - - if (inet_pton(AF_INET6, address, &(result->sin6_addr)) == 1) { - return result; - } - parcMemory_Deallocate((void **) &result); - } - - return NULL; -} - -struct sockaddr_in * -parcNetwork_SockInet4AddressAny() -{ - struct sockaddr_in *result = parcMemory_AllocateAndClear(sizeof(struct sockaddr_in)); - parcAssertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(struct sockaddr_in)); - if (result != NULL) { - result->sin_family = AF_INET; - result->sin_addr.s_addr = INADDR_ANY; -#if defined(SIN6_LEN) - result->sin_len = sizeof(struct sockaddr_in); -#endif - return result; - } - return NULL; -} - -PARCBufferComposer * -parcNetwork_SockInet4Address_BuildString(const struct sockaddr_in *address, PARCBufferComposer *composer) -{ - parcAssertNotNull(address, "Parameter must be a non-null pointer to a struct sockaddr_in."); - - if (address->sin_family != AF_INET) { - parcTrapIllegalValue(address->sin_family, "Expected an AF_INET configured address, not %d", address->sin_family); - } - - char buffer[INET_ADDRSTRLEN]; - inet_ntop(address->sin_family, &address->sin_addr, buffer, INET_ADDRSTRLEN); - parcBufferComposer_Format(composer, "inet4://%s:%u", buffer, ntohs(address->sin_port)); - - return composer; -} - -PARCBufferComposer * -parcNetwork_SockInet6Address_BuildString(const struct sockaddr_in6 *address, PARCBufferComposer *composer) -{ - parcAssertNotNull(address, "Parameter must be a non-null pointer to a struct sockaddr_in."); - - if (address->sin6_family != AF_INET6) { - parcTrapIllegalValue(address->sin_family, "Expected an AF_INET6 configured address, not %d", address->sin6_family); - } - - char buffer[INET6_ADDRSTRLEN]; - inet_ntop(address->sin6_family, &address->sin6_addr, buffer, INET6_ADDRSTRLEN); - - parcBufferComposer_Format(composer, "inet6://[%s%%%u]:%u", - buffer, - address->sin6_scope_id, - ntohs(address->sin6_port)); - - return composer; -} - -PARCBufferComposer * -parcNetwork_LinkAddress_BuildString(const unsigned char *address, size_t length, PARCBufferComposer *composer) -{ - parcBufferComposer_PutString(composer, "link://"); - for (size_t i = 0; i < length; i++) { - if (i > 0) { - parcBufferComposer_PutString(composer, "-"); - } - parcBufferComposer_Format(composer, "%02x", address[i]); - } - return composer; -} - -struct sockaddr_in * -parcNetwork_ParseInet4Address(const char *addressURI) -{ - struct sockaddr_in *result = NULL; - - PARCURI *uri = parcURI_Parse(addressURI); - if (strcmp("inet4", parcURI_GetScheme(uri)) == 0) { - } - parcURI_Release(&uri); - - return result; -} - -static PARCBuffer * -_parseMAC48AddressDashOrColon(const char *address, PARCBuffer *result) -{ - char *nextP = NULL; - - const char *p = address; - - int i = 0; - for (i = 0; i < 6; i++) { - long value = strtol(p, &nextP, 16); - if (nextP == p || (*nextP != ':' && *nextP != '-' && *nextP != 0)) { - result = NULL; - break; - } - parcBuffer_PutUint8(result, (uint8_t) value); - - p = nextP + 1; - } - - if (i != 6) { - result = NULL; - } - - return result; -} - -static PARCBuffer * -_parseMAC48AddressDot(const char *address, PARCBuffer *result) -{ - char *nextP = NULL; - - const char *p = address; - - int i = 0; - for (i = 0; i < 3; i++) { - long value = strtol(p, &nextP, 16); - if (nextP == p || (*nextP != '.' && *nextP != 0)) { - result = NULL; - break; - } - parcBuffer_PutUint16(result, (uint16_t) value); - - p = nextP + 1; - } - - if (i != 3) { - result = NULL; - } - - return result; -} - -bool -parcNetwork_ParseMAC48Address(const char *address, PARCBuffer *buffer) -{ - bool result = false; - - size_t originalPosition = parcBuffer_Position(buffer); - - if (strchr(address, '-') != NULL || strchr(address, ':') != NULL) { - if (_parseMAC48AddressDashOrColon(address, buffer) != NULL) { - result = true; - } - } - - if (strchr(address, '.') != NULL) { - if (_parseMAC48AddressDot(address, buffer) != NULL) { - result = true; - } - ; - } - - if (result == false) { - parcBuffer_SetPosition(buffer, originalPosition); - } - - return result; -} - -PARCBuffer * -parcNetwork_ParseLinkAddress(const char *address) -{ - if (strncmp("link://", address, 7) == 0) { - PARCBuffer *result = parcBuffer_Allocate(7); - - if (parcNetwork_ParseMAC48Address(&address[7], result) == false) { - parcBuffer_Release(&result); - parcTrapIllegalValue(address, "Syntax error '%s'", address); - } - - return parcBuffer_Flip(result); - } - - parcTrapIllegalValue(address, "Bad scheme '%s'", address); -} - -bool -parcNetwork_Inet4Equals(const struct sockaddr_in *x, const struct sockaddr_in *y) -{ - if (x == y) { - return true; - } - if (x == NULL || y == NULL) { - return false; - } - if (x->sin_family == y->sin_family) { - if (x->sin_addr.s_addr == y->sin_addr.s_addr) { - if (x->sin_port == y->sin_port) { - return true; - } - } - } - - return false; -} - -/* - * Returns true for ::1 address, false otherwise - * - * The address is in network byte order - * - * @return true The address is local - * @return false The address is not local - */ -static bool -_isInet6Loopback(struct sockaddr_in6 *sin6) -{ - if (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr)) { - return true; - } - return false; -} - -/** - * Returns true if the address is on the 127.0.0.0/8 network - * - * The address is expected to be in network byte order - * - * @param [in] sin4 A pointer to a sockaddr_in containing an IPv4 address. - * - * @return true Address on 127.0.0.0/8 - * @return false Not a 127.0.0.0/8 - */ -static bool -_isInet4Loopback(struct sockaddr_in *sin4) -{ - uint32_t hostorder = htonl(sin4->sin_addr.s_addr); - if ((hostorder & 0xFF000000) == 0x7F000000) { - return true; - } - return false; -} - -bool -parcNetwork_IsSocketLocal(struct sockaddr *sock) -{ - parcAssertNotNull(sock, "Parameter sock must be non-null"); - bool isLocal = false; - - switch (sock->sa_family) { - case PF_LOCAL: - isLocal = true; - break; - - case PF_INET: - isLocal = _isInet4Loopback((struct sockaddr_in *) sock); - break; - - case PF_INET6: - isLocal = _isInet6Loopback((struct sockaddr_in6 *) sock); - break; - - default: - break; - } - - return isLocal; -} |