diff options
Diffstat (limited to 'network/netcat-openbsd/patches/0006-quit-timer.patch')
| -rw-r--r-- | network/netcat-openbsd/patches/0006-quit-timer.patch | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/network/netcat-openbsd/patches/0006-quit-timer.patch b/network/netcat-openbsd/patches/0006-quit-timer.patch new file mode 100644 index 0000000000..40d6a2a3a5 --- /dev/null +++ b/network/netcat-openbsd/patches/0006-quit-timer.patch @@ -0,0 +1,133 @@ +From: Aron Xu <aron@debian.org> +Date: Mon, 13 Feb 2012 15:16:04 +0800 +Subject: quit timer + +--- + nc.1 | 5 +++++ + netcat.c | 38 +++++++++++++++++++++++++++++++++----- + 2 files changed, 38 insertions(+), 5 deletions(-) + +diff --git a/nc.1 b/nc.1 +index af44976..0d92b74 100644 +--- a/nc.1 ++++ b/nc.1 +@@ -40,6 +40,7 @@ + .Op Fl O Ar length + .Op Fl P Ar proxy_username + .Op Fl p Ar source_port ++.Op Fl q Ar seconds + .Op Fl s Ar source + .Op Fl T Ar toskeyword + .Op Fl V Ar rtable +@@ -148,6 +149,10 @@ Proxy authentication is only supported for HTTP CONNECT proxies at present. + Specifies the source port + .Nm + should use, subject to privilege restrictions and availability. ++.It Fl q Ar seconds ++after EOF on stdin, wait the specified number of seconds and then quit. If ++.Ar seconds ++is negative, wait forever. + .It Fl r + Specifies that source and/or destination ports should be chosen randomly + instead of sequentially within a range or in the order that the system +diff --git a/netcat.c b/netcat.c +index 4f4d2bf..29ecf1a 100644 +--- a/netcat.c ++++ b/netcat.c +@@ -86,6 +86,7 @@ + #include <errno.h> + #include <netdb.h> + #include <poll.h> ++#include <signal.h> + #include <stdarg.h> + #include <stdio.h> + #include <stdlib.h> +@@ -120,6 +121,7 @@ int lflag; /* Bind to local port */ + int nflag; /* Don't do name look up */ + char *Pflag; /* Proxy username */ + char *pflag; /* Localport flag */ ++int qflag = 0; /* Quit after some secs */ + int rflag; /* Random ports flag */ + char *sflag; /* Source Address */ + int tflag; /* Telnet Emulation */ +@@ -158,6 +160,7 @@ void usage(int); + + static int connect_with_timeout(int fd, const struct sockaddr *sa, + socklen_t salen, int ctimeout); ++static void quit(); + + int + main(int argc, char *argv[]) +@@ -181,7 +184,7 @@ main(int argc, char *argv[]) + sv = NULL; + + while ((ch = getopt(argc, argv, +- "46CDdhI:i:jklnO:P:p:rSs:tT:UuV:vw:X:x:z")) != -1) { ++ "46CDdhI:i:jklnO:P:p:q:rSs:tT:UuV:vw:X:x:z")) != -1) { + switch (ch) { + case '4': + family = AF_INET; +@@ -235,6 +238,11 @@ main(int argc, char *argv[]) + case 'p': + pflag = optarg; + break; ++ case 'q': ++ qflag = strtonum(optarg, INT_MIN, INT_MAX, &errstr); ++ if (errstr) ++ errx(1, "quit timer %s: %s", errstr, optarg); ++ break; + case 'r': + rflag = 1; + break; +@@ -924,9 +932,18 @@ readwrite(int nfd) + } + else if (pfd[1].revents & POLLHUP) { + shutdown_wr: ++ /* if the user asked to exit on EOF, do it */ ++ if (qflag == 0) { + shutdown(nfd, SHUT_WR); +- pfd[1].fd = -1; +- pfd[1].events = 0; ++ close(wfd); ++ } ++ /* if user asked to die after a while, arrange for it */ ++ if (qflag > 0) { ++ signal(SIGALRM, quit); ++ alarm(qflag); ++ } ++ pfd[1].fd = -1; ++ pfd[1].events = 0; + } + } + } +@@ -1164,6 +1181,7 @@ help(void) + \t-O length TCP send buffer length\n\ + \t-P proxyuser\tUsername for proxy authentication\n\ + \t-p port\t Specify local port for remote connects\n\ ++ \t-q secs\t quit after EOF on stdin and delay of secs\n\ + \t-r Randomize remote ports\n\ + \t-S Enable the TCP MD5 signature option\n\ + \t-s addr\t Local source address\n\ +@@ -1186,9 +1204,19 @@ usage(int ret) + { + fprintf(stderr, + "usage: nc [-46CDdhjklnrStUuvz] [-I length] [-i interval] [-O length]\n" +- "\t [-P proxy_username] [-p source_port] [-s source] [-T toskeyword]\n" +- "\t [-V rtable] [-w timeout] [-X proxy_protocol]\n" ++ "\t [-P proxy_username] [-p source_port] [-q seconds] [-s source]\n" ++ "\t [-T toskeyword] [-V rtable] [-w timeout] [-X proxy_protocol]\n" + "\t [-x proxy_address[:port]] [destination] [port]\n"); + if (ret) + exit(1); + } ++ ++/* ++ * quit() ++ * handler for a "-q" timeout (exit 0 instead of 1) ++ */ ++static void quit() ++{ ++ /* XXX: should explicitly close fds here */ ++ exit(0); ++} +-- |