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* gnu/packages/patches/fcgi-2.4.0-gcc44-fixes.patch: New file. * gnu/packages/patches/fcgi-2.4.0-poll.patch: New file. * gnu/local.mk (dist_patch_DATA): Register patches. * gnu/packages/web.scm (fcgi): New variable.
89 lines
2.8 KiB
Diff
89 lines
2.8 KiB
Diff
Taken from http://pkgs.fedoraproject.org/cgit/rpms/fcgi.git/plain/fcgi-2.4.0-poll.patch
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Fixes CVE-2012-6687.
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Author: Anton Kortunov <toshic.toshic@gmail.com>
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Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libfcgi/+bug/933417
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Description: use poll in os_unix.c instead of select to avoid problem with > 1024 connections
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Forwarded: yes, fastcgi-developers@mailman.fastcgi.com
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diff --git a/libfcgi/os_unix.c b/libfcgi/os_unix.c
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index 73e6a7f..af35aee 100755
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--- a/libfcgi/os_unix.c
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+++ b/libfcgi/os_unix.c
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@@ -42,6 +42,7 @@ static const char rcsid[] = "$Id: os_unix.c,v 1.37 2002/03/05 19:14:49 robs Exp
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#include <sys/time.h>
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#include <sys/un.h>
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#include <signal.h>
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+#include <poll.h>
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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@@ -103,6 +104,9 @@ static int volatile maxFd = -1;
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static int shutdownPending = FALSE;
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static int shutdownNow = FALSE;
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+static int libfcgiOsClosePollTimeout = 2000;
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+static int libfcgiIsAfUnixKeeperPollTimeout = 2000;
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+
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void OS_ShutdownPending()
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{
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shutdownPending = TRUE;
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@@ -168,6 +172,16 @@ int OS_LibInit(int stdioFds[3])
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if(libInitialized)
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return 0;
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+ char *libfcgiOsClosePollTimeoutStr = getenv( "LIBFCGI_OS_CLOSE_POLL_TIMEOUT" );
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+ if(libfcgiOsClosePollTimeoutStr) {
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+ libfcgiOsClosePollTimeout = atoi(libfcgiOsClosePollTimeoutStr);
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+ }
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+
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+ char *libfcgiIsAfUnixKeeperPollTimeoutStr = getenv( "LIBFCGI_IS_AF_UNIX_KEEPER_POLL_TIMEOUT" );
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+ if(libfcgiIsAfUnixKeeperPollTimeoutStr) {
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+ libfcgiIsAfUnixKeeperPollTimeout = atoi(libfcgiIsAfUnixKeeperPollTimeoutStr);
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+ }
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+
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asyncIoTable = (AioInfo *)malloc(asyncIoTableSize * sizeof(AioInfo));
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if(asyncIoTable == NULL) {
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errno = ENOMEM;
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@@ -755,19 +769,16 @@ int OS_Close(int fd)
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if (shutdown(fd, 1) == 0)
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{
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- struct timeval tv;
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- fd_set rfds;
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+ struct pollfd pfd;
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int rv;
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char trash[1024];
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- FD_ZERO(&rfds);
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+ pfd.fd = fd;
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+ pfd.events = POLLIN;
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do
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{
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- FD_SET(fd, &rfds);
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- tv.tv_sec = 2;
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- tv.tv_usec = 0;
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- rv = select(fd + 1, &rfds, NULL, NULL, &tv);
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+ rv = poll(&pfd, 1, libfcgiOsClosePollTimeout);
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}
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while (rv > 0 && read(fd, trash, sizeof(trash)) > 0);
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}
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@@ -1116,13 +1127,11 @@ static int is_reasonable_accept_errno (const int error)
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*/
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static int is_af_unix_keeper(const int fd)
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{
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- struct timeval tval = { READABLE_UNIX_FD_DROP_DEAD_TIMEVAL };
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- fd_set read_fds;
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-
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- FD_ZERO(&read_fds);
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- FD_SET(fd, &read_fds);
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+ struct pollfd pfd;
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+ pfd.fd = fd;
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+ pfd.events = POLLIN;
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- return select(fd + 1, &read_fds, NULL, NULL, &tval) >= 0 && FD_ISSET(fd, &read_fds);
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+ return poll(&pfd, 1, libfcgiIsAfUnixKeeperPollTimeout) >= 0 && (pfd.revents & POLLIN);
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}
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/*
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