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Handle IPv6 addresses in parse_hostname_to_addr().

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This is needed to correctly handle and IPv6 address set as gateway when
using the nat firewall policy.
This commit is contained in:
Ghislain MARY 2012-08-30 15:26:28 +02:00
parent 335129ed8a
commit 5129e306ab
1 changed files with 20 additions and 10 deletions
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30
coreapi/misc.c
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@ -408,19 +408,29 @@ static int sendStunRequest(int sock, const struct sockaddr *server, socklen_t ad
int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen){
struct addrinfo hints,*res=NULL;
int family = PF_INET;
int port_int = 3478;
int ret;
const char *port;
char port[6];
char host[NI_MAXHOST];
char *p;
host[NI_MAXHOST-1]='\0';
strncpy(host,server,sizeof(host)-1);
p=strchr(host,':');
if (p) {
*p='\0';
port=p+1;
}else port="3478";
char *p1, *p2;
if ((sscanf(server, "[%64[^]]]:%d", host, &port_int) == 2) || (sscanf(server, "[%64[^]]]", host) == 1)) {
family = PF_INET6;
} else {
p1 = strchr(server, ':');
p2 = strrchr(server, ':');
if (p1 && p2 && (p1 != p2)) {
family = PF_INET6;
host[NI_MAXHOST-1]='\0';
strncpy(host, server, sizeof(host) - 1);
} else if (sscanf(server, "%[^:]:%d", host, &port_int) != 2) {
host[NI_MAXHOST-1]='\0';
strncpy(host, server, sizeof(host) - 1);
}
}
snprintf(port, sizeof(port), "%d", port_int);
memset(&hints,0,sizeof(hints));
hints.ai_family=PF_INET;
hints.ai_family=family;
hints.ai_socktype=SOCK_DGRAM;
hints.ai_protocol=IPPROTO_UDP;
ret=getaddrinfo(host,port,&hints,&res);