From: mathstuf at gmail.com (Ben Boeckel)
Subject: [PATCHv2 2/3] Add ability to authorize viewing a repository
Date: Sun, 28 Oct 2012 01:00:29 +0000 (UTC) [thread overview]
Message-ID: <k6i03d$mp0$3@ger.gmane.org> (raw)
In-Reply-To: <1350894558-24840-2-git-send-email-valentin.haenel@gmx.de>
On Mon, Oct 22, 2012 at 08:29:17 GMT, Valentin Haenel wrote:
> @@ -554,6 +557,25 @@ static void process_request(void *cbdata)
> return;
> }
>
> + /* Here we do the authorization check.
> + *
> + * TODO figure out if this is the correct place to do the check
> + *
> + */
> + if (ctx->cfg.authz_exec && ctx->repo &&
> + system(fmt("%s %s %s",
Single quote the arguments to the executable. This is ripe for code
execution (remote_user is under attacker's control).
> + ctx->cfg.authz_exec,
> + ctx->repo->name,
> + ctx->env.remote_user)) != 0) {
> + cgit_print_http_headers(ctx);
> + cgit_print_docstart(ctx);
> + cgit_print_pageheader(ctx);
> + cgit_print_error(fmt("Authorization failed for repo: '%s' and user: '%s'",
> + ctx->repo->name, ctx->env.remote_user));
> + cgit_print_docend();
> + return;
> + }
> +
> if (ctx->repo && prepare_repo_cmd(ctx))
> return;
>
> diff --git a/cgit.h b/cgit.h
> index 016baa8e7d..14fc2fb777 100644
> --- a/cgit.h
> +++ b/cgit.h
> @@ -167,6 +167,7 @@ struct cgit_query {
> struct cgit_config {
> char *agefile;
> char *user_envvar;
> + char *authz_exec;
Where is this free'd?
-- Ben
next prev parent reply other threads:[~2012-10-28 1:00 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-16 9:15 [PATCH 0/3] Implement authorization via external program valentin.haenel
2012-10-16 9:15 ` [PATCH 1/3] Add config option user-envvar valentin.haenel
2012-10-28 1:11 ` Jason
2012-10-29 9:49 ` valentin.haenel
2012-10-16 9:15 ` [PATCH 2/3] Add ability to authorize viewing a repository valentin.haenel
2012-10-16 11:21 ` Jason
2012-10-16 12:48 ` valentin.haenel
2012-10-16 9:15 ` [PATCH 2/3] Add ability to authorize viewing a repository using valentin.haenel
2012-10-16 9:17 ` valentin.haenel
2012-10-16 9:15 ` [PATCH 3/3] Helper script to interface to gitolite valentin.haenel
2012-10-22 8:29 ` [PATCHv2 1/3] Add config option user-envvar valentin.haenel
2012-10-28 1:00 ` mathstuf
2012-10-29 9:22 ` valentin.haenel
2012-10-29 14:53 ` mathstuf
2012-10-29 15:50 ` valentin.haenel
2012-10-22 8:29 ` [PATCHv2 2/3] Add ability to authorize viewing a repository valentin.haenel
2012-10-28 1:00 ` mathstuf [this message]
2012-10-28 1:16 ` Jason
2012-10-28 1:29 ` mathstuf
2012-10-28 1:33 ` Jason
2012-10-29 9:43 ` valentin.haenel
2012-10-29 14:52 ` mathstuf
2012-10-29 15:45 ` valentin.haenel
2012-10-28 1:17 ` Jason
2012-10-29 12:38 ` valentin.haenel
2012-10-30 9:54 ` valentin.haenel
2012-10-28 1:14 ` Jason
2012-10-29 9:36 ` valentin.haenel
2012-10-22 8:29 ` [PATCHv2 3/3] Helper script to interface to gitolite valentin.haenel
2012-10-28 1:00 ` mathstuf
2012-10-29 9:27 ` valentin.haenel
2012-10-30 10:11 ` [PATCHv3 0/3] Implement authorization via external program (v3) valentin.haenel
2012-10-30 15:04 ` mathstuf
2012-10-30 16:30 ` Jason
2012-10-30 10:11 ` [PATCHv3 1/3] Add config option user-envvar valentin.haenel
2012-10-30 16:29 ` Jason
2012-10-30 10:11 ` [PATCHv3 2/3] Add ability to authorize viewing a repository valentin.haenel
2012-10-30 16:30 ` Jason
2012-10-30 10:11 ` [PATCHv3 3/3] Helper script to interface to gitolite valentin.haenel
2012-10-30 15:05 ` mathstuf
2012-10-31 18:50 ` [PATCHv4 0/2] Authorize viewing a repository valentin.haenel
2012-10-31 18:52 ` [PATCHv4 1/2] Add ability to authorize " valentin.haenel
2012-10-31 18:52 ` [PATCHv4 2/2] Helper script to interface to gitolite valentin.haenel
2012-11-01 3:03 ` jamie.couture
2012-11-01 3:23 ` mathstuf
2012-11-01 4:20 ` Jason
2012-11-01 4:31 ` mathstuf
2012-11-01 8:58 ` valentin.haenel
2012-11-01 17:32 ` Jason
2012-11-01 10:40 ` [PATCHv4 0/2] Authorize viewing a repository valentin.haenel
2012-11-01 17:27 ` Jason
2012-11-01 17:32 ` valentin.haenel
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