shinys000114/libssh
1
0
Fork 0
mirror of https://git.libssh.org/projects/libssh.git synced 2026-02-11 02:38:09 +09:00
Code Issues Packages Projects Releases Wiki Activity

channel: Fixed a possible NULL pointe dereference.

Browse Source
This commit is contained in:
Andreas Schneider
2011-02-18 18:03:37 +01:00
parent 23b3c46fd6
commit 5cc2e69d0d
1 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/channels.c
View File

@@ -1126,9 +1126,7 @@ int channel_write_common(ssh_channel channel, const void *data,
ssh_session session; ssh_session session;
int origlen = len; int origlen = len;
size_t effectivelen; size_t effectivelen;
/* handle the max packet len from remote side, be nice */ size_t maxpacketlen;
/* 10 bytes for the headers */
size_t maxpacketlen = channel->remote_maxpacket - 10;
if(channel == NULL || data == NULL) { if(channel == NULL || data == NULL) {
return -1; return -1;
@@ -1140,6 +1138,12 @@ int channel_write_common(ssh_channel channel, const void *data,
} }
enter_function(); enter_function();
/*
* Handle the max packet len from remote side, be nice
* 10 bytes for the headers
*/
maxpacketlen = channel->remote_maxpacket - 10;
if (channel->local_eof) { if (channel->local_eof) {
ssh_set_error(session, SSH_REQUEST_DENIED, ssh_set_error(session, SSH_REQUEST_DENIED,
"Can't write to channel %d:%d after EOF was sent", "Can't write to channel %d:%d after EOF was sent",