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| | From a840e4b10961fb2b1b6b0f93e5b2b367887ed691 Mon Sep 17 00:00:00 2001
From: Alexey Abramov <levenson@mmer.org>
Date: Sun, 21 Nov 2021 12:21:28 +0100
Subject: [PATCH] Trust /gnu/store directory
---
misc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/misc.c b/misc.c
index 0134d69..01f1660 100644
--- a/misc.c
+++ b/misc.c
@@ -2146,6 +2146,7 @@ int
safe_path(const char *name, struct stat *stp, const char *pw_dir,
uid_t uid, char *err, size_t errlen)
{
+ static const char gnu_store[] = "/gnu/store";
char buf[PATH_MAX], homedir[PATH_MAX];
char *cp;
int comparehome = 0;
@@ -2178,6 +2179,10 @@ safe_path(const char *name, struct stat *stp, const char *pw_dir,
}
strlcpy(buf, cp, sizeof(buf));
+ /* If are past the Guix /gnu/store then we can stop */
+ if (strcmp(gnu_store, buf) == 0)
+ break;
+
if (stat(buf, &st) == -1 ||
(!platform_sys_dir_uid(st.st_uid) && st.st_uid != uid) ||
(st.st_mode & 022) != 0) {
--
2.33.1
|