cups/cups-CVE-2009-3553.patch

40 lines
1.8 KiB
Diff

diff -up cups-1.4.2/scheduler/select.c.CVE-2009-3553 cups-1.4.2/scheduler/select.c
--- cups-1.4.2/scheduler/select.c.CVE-2009-3553 2009-07-15 00:07:52.000000000 +0100
+++ cups-1.4.2/scheduler/select.c 2009-11-19 12:30:39.672976150 +0000
@@ -454,7 +454,7 @@ cupsdDoSelect(long timeout) /* I - Time
if (fdptr->read_cb && event->filter == EVFILT_READ)
(*(fdptr->read_cb))(fdptr->data);
- if (fdptr->write_cb && event->filter == EVFILT_WRITE)
+ if (fdptr->use > 1 && fdptr->write_cb && event->filter == EVFILT_WRITE)
(*(fdptr->write_cb))(fdptr->data);
release_fd(fdptr);
@@ -499,7 +499,7 @@ cupsdDoSelect(long timeout) /* I - Time
if (fdptr->read_cb && (event->events & (EPOLLIN | EPOLLERR | EPOLLHUP)))
(*(fdptr->read_cb))(fdptr->data);
- if (fdptr->write_cb && (event->events & (EPOLLOUT | EPOLLERR | EPOLLHUP)))
+ if (fdptr->use > 1 && fdptr->write_cb && (event->events & (EPOLLOUT | EPOLLERR | EPOLLHUP)))
(*(fdptr->write_cb))(fdptr->data);
release_fd(fdptr);
@@ -590,7 +590,7 @@ cupsdDoSelect(long timeout) /* I - Time
if (fdptr->read_cb && (pfd->revents & (POLLIN | POLLERR | POLLHUP)))
(*(fdptr->read_cb))(fdptr->data);
- if (fdptr->write_cb && (pfd->revents & (POLLOUT | POLLERR | POLLHUP)))
+ if (fdptr->use > 1 && fdptr->write_cb && (pfd->revents & (POLLOUT | POLLERR | POLLHUP)))
(*(fdptr->write_cb))(fdptr->data);
release_fd(fdptr);
@@ -645,7 +645,7 @@ cupsdDoSelect(long timeout) /* I - Time
if (fdptr->read_cb && FD_ISSET(fdptr->fd, &cupsd_current_input))
(*(fdptr->read_cb))(fdptr->data);
- if (fdptr->write_cb && FD_ISSET(fdptr->fd, &cupsd_current_output))
+ if (fdptr->use > 1 && fdptr->write_cb && FD_ISSET(fdptr->fd, &cupsd_current_output))
(*(fdptr->write_cb))(fdptr->data);
release_fd(fdptr);