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Improved network function

This commit is contained in:
vemax78 2013-07-15 18:48:47 +02:00
parent fc30c7d54b
commit 79cb575548
1 changed files with 18 additions and 13 deletions
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31
src/common/capwap_network.c
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@ -736,48 +736,50 @@ int capwap_ipv4_mapped_ipv6(struct sockaddr_storage* source, struct sockaddr_sto
/* Convert string into address */
int capwap_address_from_string(const char* ip, struct sockaddr_storage* address) {
char* pos;
char* buffer;
struct addrinfo hints;
struct addrinfo* info = NULL;
char* service = NULL;
char buffer[256];
char* pos;
int length;
ASSERT(ip != NULL);
ASSERT(address != NULL);
/* Init */
memset(address, 0, sizeof(struct sockaddr_storage));
length = strlen(ip);
if ((length == 0) || (length >= sizeof(buffer))) {
if (!*ip) {
return 0;
}
/* */
buffer = capwap_duplicate_string(ip);
/* */
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_flags = 0;
/* Parsing ipv6 address */
strcpy(buffer, ip);
pos = &buffer[0];
/* Parsing address */
pos = buffer;
if (*pos == '[') {
char* temp = pos + 1;
pos = temp;
hints.ai_family = AF_INET6;
hints.ai_flags |= AI_NUMERICHOST;
temp = strchr(temp, ']');
if (!temp) {
capwap_free(buffer);
return 0;
}
*temp = 0;
if (*(temp + 1) == ':') {
service = temp + 2;
hints.ai_flags |= AI_NUMERICSERV;
} else if (*(temp + 1)) {
capwap_free(buffer);
return 0;
}
} else {
@ -788,15 +790,18 @@ int capwap_address_from_string(const char* ip, struct sockaddr_storage* address)
hints.ai_flags |= AI_NUMERICSERV;
}
}
/* Parsing address */
if (getaddrinfo(pos, service, &hints, &info)) {
capwap_free(buffer);
return 0;
}
/* Copy address */
memcpy(address, info->ai_addr, info->ai_addrlen);
freeaddrinfo(info);
capwap_free(buffer);
return 1;
}