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Allow servers to bind to any address

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This commit is contained in:
Pierre Pronchery 2014-04-30 19:57:33 +02:00
parent d8939635ca
commit bc4ac0eed7
1 changed files with 16 additions and 6 deletions
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22
src/transport/common.c
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@ -32,20 +32,24 @@ static struct addrinfo * _init_address(char const * name, int domain, int flags)
fprintf(stderr, "DEBUG: %s(\"%s\", %d, %d)\n", __func__, name, domain, fprintf(stderr, "DEBUG: %s(\"%s\", %d, %d)\n", __func__, name, domain,
flags); flags);
#endif #endif
/* check the arguments */
if(name == NULL || strlen(name) == 0)
{
error_set_code(1, "%s", "Empty names are not allowed");
return NULL;
}
/* guess the port separator */ /* guess the port separator */
if((p = strchr(name, ':')) != NULL && strchr(++p, ':') != NULL) if((p = strchr(name, ':')) != NULL && strchr(++p, ':') != NULL)
sep = '.'; sep = '.';
/* obtain the name */ /* obtain the name */
if(strlen(name) == 0) if((p = strdup(name)) == NULL)
hostname = NULL;
else if((hostname = strdup(name)) == NULL)
{ {
error_set_code(1, "%s", strerror(errno)); error_set_code(1, "%s", strerror(errno));
return NULL; return NULL;
} }
hostname = p;
/* obtain the port number */ /* obtain the port number */
if(hostname == NULL || (servname = strrchr(hostname, sep)) == NULL if((servname = strrchr(hostname, sep)) == NULL || servname[1] == '\0')
|| servname[1] == '\0')
{ {
l = 0; l = 0;
servname = NULL; servname = NULL;
@ -53,6 +57,8 @@ static struct addrinfo * _init_address(char const * name, int domain, int flags)
else else
{ {
*(servname++) = '\0'; *(servname++) = '\0';
if(hostname[0] == '\0')
hostname = NULL;
l = strtol(servname, &q, 10); l = strtol(servname, &q, 10);
if(servname[0] == '\0' || *q != '\0') if(servname[0] == '\0' || *q != '\0')
l = -error_set_code(1, "%s", strerror(EINVAL)); l = -error_set_code(1, "%s", strerror(EINVAL));
@ -62,9 +68,13 @@ static struct addrinfo * _init_address(char const * name, int domain, int flags)
hints.ai_family = domain; hints.ai_family = domain;
hints.ai_socktype = SOCK_STREAM; hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = flags; hints.ai_flags = flags;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() %ld \"%s\" \"%s\" %u\n", __func__, l,
hostname, servname, flags);
#endif
if(l >= 0) if(l >= 0)
res = getaddrinfo(hostname, servname, &hints, &ai); res = getaddrinfo(hostname, servname, &hints, &ai);
free(hostname); free(p);
/* check for errors */ /* check for errors */
if(res != 0) if(res != 0)
{ {