diff options
Diffstat (limited to 'Src')
-rw-r--r-- | Src/Modules/tcp.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/Src/Modules/tcp.c b/Src/Modules/tcp.c index 8ff481b09..e3e60fcc2 100644 --- a/Src/Modules/tcp.c +++ b/Src/Modules/tcp.c @@ -384,6 +384,7 @@ bin_ztcp(char *nam, char **args, char *ops, int func) int herrno, err=1, destport, force=0, verbose=0, len, rfd; char **addrp, *desthost, *localname, *remotename; struct hostent *zthost = NULL, *ztpeer = NULL; + struct servent *srv; Tcp_session sess; if (ops['f']) @@ -419,18 +420,22 @@ bin_ztcp(char *nam, char **args, char *ops, int func) } } else if (ops['l']) { - int lport; + int lport = 0; if (!args[0]) { zwarnnam(nam, "-l requires an argument", NULL, 0); return 1; } - lport = atoi(args[0]); - if (!lport) { - zwarnnam(nam, "bad port number", NULL, 0); - return 1; + + srv = getservbyname(args[0],"tcp"); + if (srv) + lport = srv->s_port; + else + lport = htons(atoi(args[0])); + if (!lport) { zwarnnam(nam, "bad service name or port number", NULL, 0); + return 1; } - sess = tcp_socket(PF_INET, SOCK_STREAM, 0, 0); + sess = tcp_socket(PF_INET, SOCK_STREAM, 0, ZTCP_INBOUND); if (!sess) { zwarnnam(nam, "unable to allocate a TCP session slot", NULL, 0); @@ -447,7 +452,7 @@ bin_ztcp(char *nam, char **args, char *ops, int func) } sess->sock.in.sin_family = AF_INET; - sess->sock.in.sin_port = htons(lport); + sess->sock.in.sin_port = lport; if (bind(sess->fd, (struct sockaddr *)&sess->sock.in, sizeof(struct sockaddr_in))) @@ -482,7 +487,10 @@ bin_ztcp(char *nam, char **args, char *ops, int func) } sess->fd = rfd; - fprintf(shout, "%d is on fd %d\n", ntohs(sess->peer.in.sin_port), sess->fd); + setiparam("REPLY", sess->fd); + + if(verbose) + fprintf(shout, "%d is on fd %d\n", ntohs(sess->peer.in.sin_port), sess->fd); return 0; @@ -504,16 +512,21 @@ bin_ztcp(char *nam, char **args, char *ops, int func) remotename = ztpeer->h_name; else remotename = ztrdup(inet_ntoa(sess->sock.in.sin_addr)); - fprintf(shout, "%s:%d -> %s:%d is on fd %d%s%s\n", localname, ntohs(sess->sock.in.sin_port), remotename, ntohs(sess->peer.in.sin_port), sess->fd, (sess->flags & ZTCP_ZFTP) ? " ZFTP" : "", (sess->flags & ZTCP_INBOUND) ? "INBOUND" : ""); + fprintf(shout, "%s:%d %s %s:%d is on fd %d%s\n", localname, ntohs(sess->sock.in.sin_port), (sess->flags & ZTCP_INBOUND) ? "<-" : "->", remotename, ntohs(sess->peer.in.sin_port), sess->fd, (sess->flags & ZTCP_ZFTP) ? " ZFTP" : ""); } } return 0; } else if (!args[1]) { - destport = 23; + destport = htons(23); } else { - destport = atoi(args[1]); + + srv = getservbyname(args[1],"tcp"); + if (srv) + destport = srv->s_port; + else + destport = htons(atoi(args[1])); } desthost = ztrdup(args[0]); @@ -547,7 +560,7 @@ bin_ztcp(char *nam, char **args, char *ops, int func) if (zthost->h_length != 4) zwarnnam(nam, "address length mismatch", NULL, 0); do { - err = tcp_connect(sess, *addrp, zthost, htons(destport)); + err = tcp_connect(sess, *addrp, zthost, destport); } while (err && errno == EINTR && !errflag); } @@ -555,10 +568,10 @@ bin_ztcp(char *nam, char **args, char *ops, int func) zwarnnam(nam, "connection failed: %e", NULL, errno); else { + setiparam("REPLY", sess->fd); + if (verbose) fprintf(shout, "%s:%d is now on fd %d\n", desthost, destport, sess->fd); - else - fprintf(shout, "%d\n", sess->fd); } zsfree(desthost); |