diff options
| -rw-r--r-- | package/busybox/busybox-1.15.0-inetd.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.15.0-inetd.patch b/package/busybox/busybox-1.15.0-inetd.patch new file mode 100644 index 000000000..c8d241c81 --- /dev/null +++ b/package/busybox/busybox-1.15.0-inetd.patch @@ -0,0 +1,58 @@ +diff -urpN busybox-1.15.0/networking/inetd.c busybox-1.15.0-inetd/networking/inetd.c +--- busybox-1.15.0/networking/inetd.c 2009-08-21 00:26:14.000000000 +0200 ++++ busybox-1.15.0-inetd/networking/inetd.c 2009-09-04 03:50:03.000000000 +0200 +@@ -1031,10 +1031,10 @@ static void reap_child(int sig UNUSED_PA + continue; + /* One of our "wait" services */ + if (WIFEXITED(status) && WEXITSTATUS(status)) +- bb_error_msg("%s: exit status 0x%x", ++ bb_error_msg("%s: exit status %u", + sep->se_program, WEXITSTATUS(status)); + else if (WIFSIGNALED(status)) +- bb_error_msg("%s: exit signal 0x%x", ++ bb_error_msg("%s: exit signal %u", + sep->se_program, WTERMSIG(status)); + sep->se_wait = 1; + add_fd_to_set(sep->se_fd); +@@ -1119,7 +1119,12 @@ int inetd_main(int argc UNUSED_PARAM, ch + else + bb_sanitize_stdio(); + if (!(opt & 4)) { +- openlog(applet_name, LOG_PID, LOG_DAEMON); ++ /* LOG_NDELAY: connect to syslog daemon NOW. ++ * Otherwise, we may open syslog socket ++ * in vforked child, making opened fds and syslog() ++ * internal state inconsistent. ++ * This was observed to leak file descriptors. */ ++ openlog(applet_name, LOG_PID | LOG_NDELAY, LOG_DAEMON); + logmode = LOGMODE_SYSLOG; + } + +@@ -1355,17 +1360,23 @@ int inetd_main(int argc UNUSED_PARAM, ch + if (rlim_ofile.rlim_cur != rlim_ofile_cur) + if (setrlimit(RLIMIT_NOFILE, &rlim_ofile) < 0) + bb_perror_msg("setrlimit"); +- closelog(); ++ ++ /* closelog(); - WRONG. we are after vfork, ++ * this may confuse syslog() internal state. ++ * Let's hope libc sets syslog fd to CLOEXEC... ++ */ + xmove_fd(ctrl, STDIN_FILENO); + xdup2(STDIN_FILENO, STDOUT_FILENO); + /* manpages of inetd I managed to find either say + * that stderr is also redirected to the network, + * or do not talk about redirection at all (!) */ +- xdup2(STDIN_FILENO, STDERR_FILENO); +- /* NB: among others, this loop closes listening socket ++ if (!sep->se_wait) /* only for usual "tcp nowait" */ ++ xdup2(STDIN_FILENO, STDERR_FILENO); ++ /* NB: among others, this loop closes listening sockets + * for nowait stream children */ + for (sep2 = serv_list; sep2; sep2 = sep2->se_next) +- maybe_close(sep2->se_fd); ++ if (sep2->se_fd != ctrl) ++ maybe_close(sep2->se_fd); + sigaction_set(SIGPIPE, &saved_pipe_handler); + restore_sigmask(&omask); + BB_EXECVP(sep->se_program, sep->se_argv); |