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authorJo-Philipp Wich <jow@openwrt.org>2011-07-17 07:18:59 +0000
committerJo-Philipp Wich <jow@openwrt.org>2011-07-17 07:18:59 +0000
commit53a5beaca89e78028495eaf8320f0b5a5d0edfab (patch)
treedae92d1cc324a7c440c53f64871b317122e7b4c5 /package
parentd7fa989b42ad62c8c916dc7af6158d653426830a (diff)
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uhttpd: unblock signals in CGI childs, solves hanging ssh logout after server restart from within LuCI and similar problems
SVN-Revision: 27628
Diffstat (limited to 'package')
-rw-r--r--package/uhttpd/Makefile4
-rw-r--r--package/uhttpd/src/uhttpd-cgi.c10
-rw-r--r--package/uhttpd/src/uhttpd.c2
3 files changed, 13 insertions, 3 deletions
diff --git a/package/uhttpd/Makefile b/package/uhttpd/Makefile
index 077d1f238e..cd1a4771a8 100644
--- a/package/uhttpd/Makefile
+++ b/package/uhttpd/Makefile
@@ -1,5 +1,5 @@
#
-# Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
+# Copyright (C) 2010-2011 Jo-Philipp Wich <xm@subsignal.org>
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
@@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=uhttpd
-PKG_RELEASE:=22
+PKG_RELEASE:=23
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
PKG_BUILD_DEPENDS := libcyassl liblua
diff --git a/package/uhttpd/src/uhttpd-cgi.c b/package/uhttpd/src/uhttpd-cgi.c
index 8c17251b31..ed688514c4 100644
--- a/package/uhttpd/src/uhttpd-cgi.c
+++ b/package/uhttpd/src/uhttpd-cgi.c
@@ -157,6 +157,8 @@ void uh_cgi_request(
fd_set reader;
fd_set writer;
+ sigset_t ss;
+
struct sigaction sa;
struct timeval timeout;
struct http_response *res;
@@ -187,6 +189,10 @@ void uh_cgi_request(
/* exec child */
case 0:
+ /* unblock signals */
+ sigemptyset(&ss);
+ sigprocmask(SIG_SETMASK, &ss, NULL);
+
/* restore SIGTERM */
sa.sa_flags = 0;
sa.sa_handler = SIG_DFL;
@@ -201,6 +207,10 @@ void uh_cgi_request(
dup2(rfd[1], 1);
dup2(wfd[0], 0);
+ /* avoid leaking our pipe into child-child processes */
+ fd_cloexec(rfd[1]);
+ fd_cloexec(wfd[0]);
+
/* check for regular, world-executable file _or_ interpreter */
if( ((pi->stat.st_mode & S_IFREG) &&
(pi->stat.st_mode & S_IXOTH)) || (ip != NULL)
diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
index 50c3b32a94..4a3bced722 100644
--- a/package/uhttpd/src/uhttpd.c
+++ b/package/uhttpd/src/uhttpd.c
@@ -621,7 +621,7 @@ static void uh_mainloop(struct config *conf, fd_set serv_fds, int max_fd)
}
#ifdef HAVE_TLS
-static inline uh_inittls(struct config *conf)
+static inline int uh_inittls(struct config *conf)
{
/* library handle */
void *lib;