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add new functions pa_socket_is_local() and pa_socket_address_is_local()

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2532 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-06-16 18:45:17 +00:00
parent 2af243305f
commit 30a8800210
2 changed files with 44 additions and 1 deletions
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39
src/pulsecore/socket-util.c
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@ -129,8 +129,8 @@ void pa_socket_peer_to_string(int fd, char *c, size_t l) {
return;
#endif
}
}
#ifndef OS_IS_WIN32
pa_snprintf(c, l, "Unknown network client");
return;
@ -284,3 +284,40 @@ int pa_unix_socket_remove_stale(const char *fn) {
}
#endif /* HAVE_SYS_UN_H */
pa_bool_t pa_socket_address_is_local(const struct sockaddr *sa) {
pa_assert(sa);
switch (sa->sa_family) {
case AF_UNIX:
return TRUE;
case AF_INET:
return ((const struct sockaddr_in*) sa)->sin_addr.s_addr == INADDR_LOOPBACK;
case AF_INET6:
return memcmp(&((const struct sockaddr_in6*) sa)->sin6_addr, &in6addr_loopback, sizeof(struct in6_addr)) == 0;
default:
return FALSE;
}
}
pa_bool_t pa_socket_is_local(int fd) {
union {
struct sockaddr sa;
struct sockaddr_in in;
struct sockaddr_in6 in6;
#ifdef HAVE_SYS_UN_H
struct sockaddr_un un;
#endif
} sa;
socklen_t sa_len = sizeof(sa);
if (getpeername(fd, &sa.sa, &sa_len) < 0)
return FALSE;
return pa_socket_address_is_local(&sa.sa);
}