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Fix open file leak in /LASTLOG, in situations like:

Browse Source 
/LASTLOG -FILE /tmp/a -FILE /tmp/a
/LASTLOG -FILE /tmp/a -CLEAR
/LASTLOG -FILE /tmp/a -LITERAL
/LASTLOG -FILE /tmp/a -BOGUS

Found by Coverity.


git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@243 13b04d17-f746-0410-82c6-800466cd88b0
This commit is contained in:
Kevin Easton
2013-06-18 12:55:32 +00:00
parent 2fc84d5f93
commit 882c3150e2
2 changed files with 17 additions and 10 deletions
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2
Changelog
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@@ -1,5 +1,7 @@
[Changes 1.2c01]
* Fix open file leak in /LASTLOG found by Coverity. (caf)
* Fix file descriptor leak on SOCKS4 connection failure found by
Coverity. (caf)

25
source/lastlog.c
View File

@@ -282,8 +282,8 @@ BUILT_IN_COMMAND(lastlog)
Lastlog *start_pos;
char *match = NULL,
*arg;
char *file_open[] = { "wt", "at" };
int file_open_type = 0;
const char *file_open_type = "w";
const char *filename = NULL;
char *blah = NULL;
FILE *fp = NULL;
@@ -343,7 +343,7 @@ BUILT_IN_COMMAND(lastlog)
return;
}
else if (!my_strnicmp(arg, "APPEND", len))
file_open_type = 1;
file_open_type = "a";
else if (!my_strnicmp(arg, "FILE", len))
{
#ifdef PUBLIC_ACCESS
@@ -352,13 +352,11 @@ BUILT_IN_COMMAND(lastlog)
#else
if (args && *args)
{
char *filename;
filename = next_arg(args, &args);
if (!(fp = fopen(filename, file_open[file_open_type])))
{
bitchsay("cannot open file %s", filename);
return;
}
char *filename_arg = next_arg(args, &args);
if (filename)
say("Additional -FILE argument ignored");
else
filename = filename_arg;
}
else
{
@@ -436,6 +434,13 @@ BUILT_IN_COMMAND(lastlog)
}
}
}
if (!(fp = fopen(filename, file_open_type)))
{
bitchsay("cannot open file %s", filename);
return;
}
start_pos = current_window->lastlog_head;
level = current_window->lastlog_level;
msg_level = set_lastlog_msg_level(0);