3 #include <sys/socket.h>
9 int main(int argc, char *argv[])
12 struct sockaddr_un sock_address;
18 err("No arguments given.\n");
20 char *sock_path = getenv(SOCKET_ENV_VAR);
21 if (sock_path == NULL || strlen(sock_path) == 0)
22 warn("The environment variable '%s' is not set or empty, we will use: '%s'.\n", SOCKET_ENV_VAR, DEFAULT_SOCKET_PATH);
23 else if (sizeof(sock_address.sun_path) <= strlen(sock_path))
24 err("The string can't fit in the socket address: '%s'.\n", sock_path);
26 sock_address.sun_family = AF_UNIX;
27 strncpy(sock_address.sun_path, (sock_path == NULL ? DEFAULT_SOCKET_PATH : sock_path), sizeof(sock_address.sun_path));
28 sock_address.sun_path[sizeof(sock_address.sun_path) - 1] = 0;
30 for (int offset = 0, len = sizeof(msg), n = 0; --argc && ++argv && len > 0; offset += n, len -= n)
31 n = snprintf(msg + offset, len, "%s ", *argv);
34 if (msg[msglen - 1] == ' ')
37 sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
39 err("Failed to create the socket.\n");
41 if (connect(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
42 err("Failed to connect to the socket.\n");
44 if (send(sock_fd, msg, msglen, 0) == -1)
45 err("Failed to send the data.\n");
47 int n = recv(sock_fd, rsp, sizeof(rsp), 0);
49 err("Failed to get the response.\n");