diff options
Diffstat (limited to 'recipes/tcp-wrappers/tcp-wrappers-7.6/restore_sigalarm.patch')
| -rw-r--r-- | recipes/tcp-wrappers/tcp-wrappers-7.6/restore_sigalarm.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/recipes/tcp-wrappers/tcp-wrappers-7.6/restore_sigalarm.patch b/recipes/tcp-wrappers/tcp-wrappers-7.6/restore_sigalarm.patch new file mode 100644 index 0000000000..ece7da35fe --- /dev/null +++ b/recipes/tcp-wrappers/tcp-wrappers-7.6/restore_sigalarm.patch @@ -0,0 +1,37 @@ +diff -ruN tcp_wrappers_7.6.orig/rfc931.c tcp_wrappers_7.6/rfc931.c +--- tcp_wrappers_7.6.orig/rfc931.c 2004-08-29 18:40:08.000000000 +0200 ++++ tcp_wrappers_7.6/rfc931.c 2004-08-29 18:40:02.000000000 +0200 +@@ -92,6 +92,8 @@ + char *cp; + char *result = unknown; + FILE *fp; ++ unsigned saved_timeout; ++ struct sigaction nact, oact; + + #ifdef INET6 + /* address family must be the same */ +@@ -134,7 +136,12 @@ + */ + + if (setjmp(timebuf) == 0) { +- signal(SIGALRM, timeout); ++ /* Save SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */ ++ saved_timeout = alarm(0); ++ nact.sa_handler = timeout; ++ nact.sa_flags = 0; ++ (void) sigemptyset(&nact.sa_mask); ++ (void) sigaction(SIGALRM, &nact, &oact); + alarm(rfc931_timeout); + + /* +@@ -223,6 +230,10 @@ + } + alarm(0); + } ++ /* Restore SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */ ++ (void) sigaction(SIGALRM, &oact, NULL); ++ if (saved_timeout > 0) ++ alarm(saved_timeout); + fclose(fp); + } + STRN_CPY(dest, result, STRING_LENGTH); |