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* use f2b_csocket_error()

master
Alex 'AdUser' Z 7 years ago
parent
commit
8390f23c55
  1. 4
      src/client.c
  2. 43
      src/csocket.c

4
src/client.c

@ -63,8 +63,10 @@ handle_cmd(const char *line) {
memset(&cmsg, 0x0, sizeof(cmsg));
addrlen = sizeof(addr);
if ((ret = f2b_csocket_recv(opts.csocket, &cmsg, &addr, &addrlen)) < 0)
if ((ret = f2b_csocket_recv(opts.csocket, &cmsg, &addr, &addrlen)) < 0) {
f2b_log_msg(log_error, "%s", f2b_csocket_error(ret));
return EXIT_FAILURE;
}
if (cmsg.type != CMD_RESP) {
f2b_log_msg(log_error, "recieved message not a 'response' type");

43
src/csocket.c

@ -151,31 +151,19 @@ f2b_csocket_recv(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, soc
ret = recvmsg(csock, &msg, 0);
if (ret < 0 && errno == EAGAIN)
return 0; /* non-blocking mode & no messages */
if (ret < 0) {
f2b_log_msg(log_error, "recvmsg(): %s", strerror(errno));
return ret;
}
if (msg.msg_flags & MSG_TRUNC) {
f2b_log_msg(log_warn, "damaged cmsg on socket: truncated");
return -1;
}
if (memcmp(cmsg->magic, "F2B", 3) != 0) {
f2b_log_msg(log_warn, "damaged cmsg on socket: no magic");
return -1;
}
if (cmsg->version != F2B_PROTO_VER) {
f2b_log_msg(log_warn, "damaged cmsg on socket: version mismatch");
return -1;
}
if (cmsg->type >= CMD_MAX_NUMBER) {
f2b_log_msg(log_warn, "damaged cmsg on socket: unknown command type");
return -1;
}
if (ret < 0)
return -1; /* recvmsg() error, see errno */
if (msg.msg_flags & MSG_TRUNC)
return -2; /* truncated */
if (memcmp(cmsg->magic, "F2B", 3) != 0)
return -3; /* no magic */
if (cmsg->version != F2B_PROTO_VER)
return -4; /* version mismatch */
if (cmsg->type >= CMD_MAX_NUMBER)
return -5; /* unknown command */
cmsg->size = ntohs(size);
if (ret != (cmsg->size + 16)) {
f2b_log_msg(log_warn, "damaged cmsg on socket: expected %u bytes, got %u", cmsg->size + 16, ret);
return -1;
}
if (ret != (cmsg->size + 16))
return -6; /* size mismatch */
*addrlen = msg.msg_namelen;
return ret;
@ -229,8 +217,11 @@ f2b_csocket_poll(int csock, void (*cb)(const f2b_cmsg_t *cmsg, char *res, size_t
memset(&addr, 0x0, sizeof(addr));
addrlen = sizeof(addr);
ret = f2b_csocket_recv(csock, &cmsg, &addr, &addrlen);
if (ret <= 0)
break; /* no messages or error */
if (ret == 0)
break; /* no messages */
if (ret < 0) {
f2b_log_msg(log_error, "%s", f2b_csocket_error(ret));
}
/* TODO: check auth */
cb(&cmsg, res, sizeof(res));
if (cmsg.flags & CMSG_FLAG_NEED_REPLY) {

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