lhark/slstatus
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

fixed strlen-bomb in run_command

Browse source
This commit is contained in:
Aaron Marcher 2016-08-15 12:59:45 +02:00 committed by Aaron Marcher (drkhsh)
parent 086a70cde0
commit df928892e8
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
slstatus.c
View file

@ -453,6 +453,7 @@ ram_used(const char *null)
char *
run_command(const char* command)
{
int good;
FILE *fp;
char buffer[64];
@ -469,7 +470,15 @@ run_command(const char* command)
pclose(fp);
/* add nullchar at the end */
buffer[strlen(buffer) - 1] = '\0';
for (int i = 0 ; i != sizeof(buffer) ; i++) {
if (buffer[i] == '\0') {
good = 1;
break;
}
}
if (good) {
buffer[strlen(buffer) - 1] = '\0';
}
/* return the output */
return smprintf("%s", buffer);