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magic nums to defines and don't check ut_name and ut_line length because it can't be larger then UT_NAMESIZE and UT_LINESIZE

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git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky1@1162 7f574dfc-610e-0410-a909-a81674777703
This commit is contained in:
Nikolas Garofil 2008-06-17 20:44:06 +00:00
parent 6472addc09
commit 2e2765393e
2 changed files with 7 additions and 6 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
# $Id$
2008-06-16
* Fixed 3 bufferoverflows in a struct utmp in users.c
2008-06-08
* Bugfix, $memgraph wasn't working and needed docs
* Bugfix, $execgraph showed 0-0 instead of 0-100 values

10
src/users.c
View File

@ -40,9 +40,8 @@ static void user_name(char *ptr)
setutent();
while ((usr = getutent()) != NULL) {
if (usr->ut_type == USER_PROCESS) {
//TODO change the magic number 9 into a constant, does anybody know where it comes from ?
if (strlen(ptr) + (strlen(usr->ut_name) > 9 ? 9 : strlen(usr->ut_name) ) + 1 <= BUFLEN) {
strncat(ptr, usr->ut_name, 9);
if (strlen(ptr) + strlen(usr->ut_name) + 1 <= BUFLEN) {
strncat(ptr, usr->ut_name, UT_NAMESIZE);
}
}
}
@ -67,9 +66,8 @@ static void user_term(char *ptr)
setutent();
while ((usr = getutent()) != NULL) {
if (usr->ut_type == USER_PROCESS) {
//TODO change the magic number 13 into a constant, does anybody know where it comes from ?
if (strlen(ptr) + (strlen(usr->ut_line) > 13 ? 13 : strlen(usr->ut_line) ) + 1 <= BUFLEN) {
strncat(ptr, usr->ut_line, 13);
if (strlen(ptr) + strlen(usr->ut_line) + 1 <= BUFLEN) {
strncat(ptr, usr->ut_line, UT_LINESIZE);
}
}
}