From 3e9367c8d2a3b7d1d4c948056a0aa32070226a60 Mon Sep 17 00:00:00 2001 From: Stefan Fritsch Date: Sun, 4 Oct 2009 07:57:32 +0000 Subject: [PATCH] Only use fcntl() if we have fcntl.h git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@821475 13f79535-47bb-0310-9956-ffa450edef68 --- support/suexec.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/support/suexec.c b/support/suexec.c index 1ef4e0928f..e4c4ecb4bf 100644 --- a/support/suexec.c +++ b/support/suexec.c @@ -46,7 +46,9 @@ #include #include #include +#if APR_HAVE_FCNTL_H #include +#endif #ifdef HAVE_PWD_H #include @@ -575,17 +577,27 @@ int main(int argc, char *argv[]) umask(AP_SUEXEC_UMASK); #endif /* AP_SUEXEC_UMASK */ - /* - * ask fcntl(2) to set the FD_CLOEXEC flag on the log file, - * so it'll be automagically closed if the exec() call succeeds. - */ + /* Be sure to close the log file so the CGI can't mess with it. */ if (log != NULL) { +#if APR_HAVE_FCNTL_H + /* + * ask fcntl(2) to set the FD_CLOEXEC flag on the log file, + * so it'll be automagically closed if the exec() call succeeds. + */ fflush(log); - setbuf(log,NULL); + setbuf(log, NULL); if ((fcntl(fileno(log), F_SETFD, FD_CLOEXEC) == -1)) { log_err("error: can't set close-on-exec flag"); exit(122); } +#else + /* + * In this case, exec() errors won't be logged because we have already + * dropped privileges and won't be able to reopen the log file. + */ + fclose(log); + log = NULL; +#endif } /* -- 2.40.0