3 #ifdef HAVE_SYS_SOCKET_H
5 #include <osmocom/core/logging.h>
6 #include <osmocom/core/select.h>
7 #include <osmocom/core/socket.h>
10 #include <sys/socket.h>
11 #include <sys/types.h>
21 int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
22 const char *host, uint16_t port, unsigned int flags)
24 struct addrinfo hints, *result, *rp;
28 if ((flags & (OSMO_SOCK_F_BIND | OSMO_SOCK_F_CONNECT)) ==
29 (OSMO_SOCK_F_BIND | OSMO_SOCK_F_CONNECT))
32 sprintf(portbuf, "%u", port);
33 memset(&hints, 0, sizeof(struct addrinfo));
34 hints.ai_family = family;
35 hints.ai_socktype = type;
37 hints.ai_protocol = proto;
39 if (flags & OSMO_SOCK_F_BIND)
40 hints.ai_flags |= AI_PASSIVE;
42 rc = getaddrinfo(host, portbuf, &hints, &result);
44 perror("getaddrinfo returned NULL");
48 for (rp = result; rp != NULL; rp = rp->ai_next) {
49 sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
52 if (flags & OSMO_SOCK_F_NONBLOCK) {
53 if (ioctl(sfd, FIONBIO, (unsigned char *)&on) < 0) {
54 perror("cannot set this socket unblocking");
59 if (flags & OSMO_SOCK_F_CONNECT) {
60 rc = connect(sfd, rp->ai_addr, rp->ai_addrlen);
61 if (rc != -1 || (rc == -1 && errno == EINPROGRESS))
64 rc = setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR,
67 perror("cannot setsockopt socket");
70 if (bind(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
78 perror("unable to connect/bind socket");
82 setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
84 /* Make sure to call 'listen' on a bound, connection-oriented sock */
85 if (flags & OSMO_SOCK_F_BIND) {
96 int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
97 const char *host, uint16_t port, unsigned int flags)
101 sfd = osmo_sock_init(family, type, proto, host, port, flags);
106 ofd->when = BSC_FD_READ;
108 rc = osmo_fd_register(ofd);
117 int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
118 uint8_t proto, unsigned int flags)
120 char host[NI_MAXHOST];
122 struct sockaddr_in *sin;
123 struct sockaddr_in6 *sin6;
126 /* determine port and host from ss */
127 switch (ss->sa_family) {
129 sin = (struct sockaddr_in *) ss;
130 sa_len = sizeof(struct sockaddr_in);
131 port = ntohs(sin->sin_port);
134 sin6 = (struct sockaddr_in6 *) ss;
135 sa_len = sizeof(struct sockaddr_in6);
136 port = ntohs(sin6->sin6_port);
142 s = getnameinfo(ss, sa_len, host, NI_MAXHOST,
143 NULL, 0, NI_NUMERICHOST);
145 perror("getnameinfo failed");
149 return osmo_sock_init(ss->sa_family, type, proto, host, port, flags);
152 static int sockaddr_equal(const struct sockaddr *a,
153 const struct sockaddr *b, unsigned int len)
155 struct sockaddr_in *sin_a, *sin_b;
156 struct sockaddr_in6 *sin6_a, *sin6_b;
158 if (a->sa_family != b->sa_family)
161 switch (a->sa_family) {
163 sin_a = (struct sockaddr_in *)a;
164 sin_b = (struct sockaddr_in *)b;
165 if (!memcmp(&sin_a->sin_addr, &sin_b->sin_addr,
166 sizeof(struct in_addr)))
170 sin6_a = (struct sockaddr_in6 *)a;
171 sin6_b = (struct sockaddr_in6 *)b;
172 if (!memcmp(&sin6_a->sin6_addr, &sin6_b->sin6_addr,
173 sizeof(struct in6_addr)))
180 /* determine if the given address is a local address */
181 int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
183 struct ifaddrs *ifaddr, *ifa;
185 if (getifaddrs(&ifaddr) == -1) {
186 perror("getifaddrs");
190 for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
193 if (sockaddr_equal(ifa->ifa_addr, addr, addrlen))
200 #endif /* HAVE_SYS_SOCKET_H */