From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 29 Dec 2024 16:39:07 +0000 (+0000)
Subject: file: Fix path when opening a file inside the jail
X-Git-Tag: 0.9.30~669
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70638a60b2eb806dcab8bd519261d7f72139e916;p=pakfire.git

file: Fix path when opening a file inside the jail

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/file.c b/src/libpakfire/file.c
index cda479388..9b06d4d09 100644
--- a/src/libpakfire/file.c
+++ b/src/libpakfire/file.c
@@ -1081,10 +1081,20 @@ static int pakfire_file_levels(struct pakfire_file* file) {
 }
 
 FILE* pakfire_file_open(struct pakfire_file* file) {
-	const char* path = pakfire_file_get_abspath(file);
+	const char* path = NULL;
+
+	// Fetch the absolute path of the file
+	path = pakfire_file_get_abspath(file);
 	if (!path)
 		return NULL;
 
+	// Fix the path if we have entered the jail
+	if (pakfire_ctx_has_flag(file->ctx, PAKFIRE_CTX_IN_JAIL)) {
+		path = pakfire_relpath(file->pakfire, path);
+		if (!path)
+			return NULL;
+	}
+
 	FILE* f = fopen(path, "r+");
 	if (!f)
 		ERROR(file->ctx, "Could not open %s: %m\n", path);