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BUG/MINOR: config/userlist: Support one 'users' option for 'group' directive

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When a group is defined in a userlist section, only one 'users' option is
expected. But it was not tested. Thus it was possible to set several options
leading to a memory leak.

It is now tested, and it is not allowed to redefine the users option.

It was reported by Coverity in #2841: CID 1587771.

This patch could be backported to all stable versions.
This commit is contained in:
Christopher Faulet 2025-02-06 16:21:20 +01:00
parent 75e8c8ed33
commit a1e14d2a82
1 changed files with 9 additions and 0 deletions
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9
src/cfgparse.c
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@ -1407,6 +1407,15 @@ cfg_parse_users(const char *file, int linenum, char **args, int kwm)
while (*args[cur_arg]) {
if (strcmp(args[cur_arg], "users") == 0) {
if (ag->groupusers) {
ha_alert("parsing [%s:%d]: 'users' option already defined in '%s' name '%s'.\n",
file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
free(ag->groupusers);
free(ag->name);
free(ag);
goto out;
}
ag->groupusers = strdup(args[cur_arg + 1]);
cur_arg += 2;
continue;