return false;
}
-int make_socket_fd(const char* address, int flags) {
- SocketAddress a;
- int fd, r;
- _cleanup_free_ char *p = NULL;
-
- r = socket_address_parse(&a, address);
- if (r < 0) {
- log_error("failed to parse socket: %s", strerror(-r));
- return r;
- }
+int getpeername_pretty(int fd, char **ret) {
+
+ union {
+ struct sockaddr sa;
+ struct sockaddr_un un;
+ struct sockaddr_in in;
+ struct sockaddr_in6 in6;
+ struct sockaddr_storage storage;
+ } sa;
+
+ socklen_t salen;
+ char *p;
+
+ assert(fd >= 0);
+ assert(ret);
- fd = socket(socket_address_family(&a), flags, 0);
- if (fd < 0) {
- log_error("socket(): %m");
+ salen = sizeof(sa);
+ if (getpeername(fd, &sa.sa, &salen) < 0)
return -errno;
+
+ switch (sa.sa.sa_family) {
+
+ case AF_INET: {
+ uint32_t a;
+
+ a = ntohl(sa.in.sin_addr.s_addr);
+
+ if (asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
+ ntohs(sa.in.sin_port)) < 0)
+ return -ENOMEM;
+
+ break;
}
- r = socket_address_print(&a, &p);
- if (r < 0) {
- log_error("socket_address_print(): %s", strerror(-r));
- return r;
+ case AF_INET6: {
+ static const unsigned char ipv4_prefix[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF
+ };
+
+ if (memcmp(&sa.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) {
+ const uint8_t *a = sa.in6.sin6_addr.s6_addr+12;
+
+ if (asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a[0], a[1], a[2], a[3],
+ ntohs(sa.in6.sin6_port)) < 0)
+ return -ENOMEM;
+ } else {
+ char a[INET6_ADDRSTRLEN];
+
+ if (asprintf(&p,
+ "%s:%u",
+ inet_ntop(AF_INET6, &sa.in6.sin6_addr, a, sizeof(a)),
+ ntohs(sa.in6.sin6_port)) < 0)
+ return -ENOMEM;
+ }
+
+ break;
}
- log_info("Listening on %s", p);
- r = bind(fd, &a.sockaddr.sa, a.size);
- if (r < 0) {
- log_error("bind to %s: %m", address);
- return -errno;
+ case AF_UNIX: {
+ struct ucred ucred;
+
+ salen = sizeof(ucred);
+ if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &salen) < 0)
+ return -errno;
+
+ if (asprintf(&p, "PID %lu/UID %lu", (unsigned long) ucred.pid, (unsigned long) ucred.pid) < 0)
+ return -ENOMEM;
+
+ break;
}
- r = listen(fd, SOMAXCONN);
- if (r < 0) {
- log_error("listen on %s: %m", address);
- return -errno;
+ default:
+ return -ENOTSUP;
}
- return fd;
+ *ret = p;
+ return 0;
}
static const char* const netlink_family_table[] = {