diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 2002-09-19 21:23:00 +0000 |
---|---|---|
committer | Todd C. Miller <millert@cvs.openbsd.org> | 2002-09-19 21:23:00 +0000 |
commit | e0688feae642c37e462cd82c52eec49fab7929f6 (patch) | |
tree | 9baa142b57c926ba591aa8bb24536c2d9d879724 | |
parent | 67df4e1cf238bf15030f0a16d718b580a80b8ee2 (diff) |
Deal with someone specifying an empty string for the command to run
and make it mean "send no signal and run no command".
-rw-r--r-- | usr.bin/newsyslog/newsyslog.8 | 7 | ||||
-rw-r--r-- | usr.bin/newsyslog/newsyslog.c | 22 |
2 files changed, 19 insertions, 10 deletions
diff --git a/usr.bin/newsyslog/newsyslog.8 b/usr.bin/newsyslog/newsyslog.8 index 46a4226af2c..4a1a5c17f09 100644 --- a/usr.bin/newsyslog/newsyslog.8 +++ b/usr.bin/newsyslog/newsyslog.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: newsyslog.8,v 1.28 2002/09/17 20:44:38 millert Exp $ +.\" $OpenBSD: newsyslog.8,v 1.29 2002/09/19 21:22:59 millert Exp $ .\" .\" Copyright (c) 1997, Jason Downs. All rights reserved. .\" @@ -266,6 +266,11 @@ and be the signal name, not the number, e.g., Specify a command to run instead of sending a signal to the process. The command must be enclosed in double quotes .Pq Ql \&" ) . +The empty string, +.Ql \&"\&" , +can use used to prevent +.Nm +from sending a signal or running a command. You cannot specify both a command and a PID file. .Em NOTE: If you specify a command to be run, diff --git a/usr.bin/newsyslog/newsyslog.c b/usr.bin/newsyslog/newsyslog.c index 5dca3e45b34..2caf3d604fd 100644 --- a/usr.bin/newsyslog/newsyslog.c +++ b/usr.bin/newsyslog/newsyslog.c @@ -1,4 +1,4 @@ -/* $OpenBSD: newsyslog.c,v 1.55 2002/09/19 20:58:50 millert Exp $ */ +/* $OpenBSD: newsyslog.c,v 1.56 2002/09/19 21:22:59 millert Exp $ */ /* * Copyright (c) 1999, 2002 Todd C. Miller <Todd.Miller@courtesan.com> @@ -86,7 +86,7 @@ */ #ifndef lint -static const char rcsid[] = "$OpenBSD: newsyslog.c,v 1.55 2002/09/19 20:58:50 millert Exp $"; +static const char rcsid[] = "$OpenBSD: newsyslog.c,v 1.56 2002/09/19 21:22:59 millert Exp $"; #endif /* not lint */ #ifndef CONF @@ -271,10 +271,12 @@ main(int argc, char **argv) /* Step 3, send a signal or run a command */ for (pl = pidlist; pl->file; pl++) { - if (pl->signal == -1) - run_command(pl->file); - else - send_signal(pl->file, pl->signal); + if (pl->file != NULL) { + if (pl->signal == -1) + run_command(pl->file); + else + send_signal(pl->file, pl->signal); + } } if (!noaction) sleep(5); @@ -618,9 +620,11 @@ parse_file(int *nentries) err(1, "strdup"); } else if (*q == '"' && (tmp = strchr(q + 1, '"'))) { *(parse = tmp) = '\0'; - working->runcmd = strdup(++q); - if (working->runcmd == NULL) - err(1, "strdup"); + if (*++q != '\0') { + working->runcmd = strdup(q); + if (working->runcmd == NULL) + err(1, "strdup"); + } working->pidfile = NULL; working->signal = -1; } else if (strncmp(q, "SIG", 3) == 0) { |