From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 16 Aug 2022 11:46:39 +0000 (+0000)
Subject: pwd: Check for valid length in sub{u,g}ids
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1251d1f01a20a9b41dc7cb77e4da35fe6b520180;p=people%2Fstevee%2Fpakfire.git

pwd: Check for valid length in sub{u,g}ids

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

diff --git a/src/libpakfire/pwd.c b/src/libpakfire/pwd.c
index 0a4df711..a1b120ea 100644
--- a/src/libpakfire/pwd.c
+++ b/src/libpakfire/pwd.c
@@ -206,6 +206,12 @@ static struct pakfire_subuid* pakfire_fgetsubuid(struct pakfire* pakfire, FILE*
 		token = strtok_r(NULL, ":", &p);
 	}
 
+	// Check if length is greater than zero
+	if (__pakfire_subuid.length == 0) {
+		DEBUG(pakfire, "Length equals zero: %s\n", line);
+		r = 1;
+	}
+
 ERROR:
 	if (line)
 		free(line);
@@ -314,6 +320,12 @@ static struct pakfire_subgid* pakfire_fgetsubgid(struct pakfire* pakfire, FILE*
 		token = strtok_r(NULL, ":", &p);
 	}
 
+	// Check if length is greater than zero
+	if (__pakfire_subgid.length == 0) {
+		DEBUG(pakfire, "Length equals zero: %s\n", line);
+		r = 1;
+	}
+
 ERROR:
 	if (line)
 		free(line);