fix euid/uid/suid-problem with gnupg

This commit is contained in:
lars 2006-03-30 00:50:24 +00:00
parent 1dec5cdee2
commit b7b33984fc
1 changed files with 10 additions and 2 deletions

12
index.c
View File

@ -5,11 +5,19 @@
/* C wrapper to allow ezmlm-web.cgi to run suid */
/* Copyright (C) 1999/2000, Guy Antony Halse, All Rights Reserved */
/* Copyright (C) 02005/02006, Lars Kruse, All Rights Reserved */
/* See the README file in this distribution for copyright information */
int main(void) {
/* Change this path to wherever you decided to put ezmlm-web.cgi */
execv("/usr/local/bin/ezmlm-web.cgi", NULL);
/* Set the (real) uid to the same value, as the effective uid.
This is necesary, as (the suid) gpg tries to run on behalf of www-data
instead of the presumed user.
I hope, that this will not break on non-linux systems ... */
setreuid(getuid(), -1);
/* Change this path to wherever you decided to put ezmlm-web.cgi */
execv("/usr/local/bin/ezmlm-web.cgi", NULL);
/* Note that you could also use the following to allow a specific user
to store their mailing lists and configuration file in a different