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HardenedBSD-pkg
rad:z3QDZAW2FAfuLvihrhiyDC9fAD8G9
HardenedBSD Package Manager
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Git
Commits › 34f7462
Check return values of set*id functions
Baptiste Daroussin committed 9 years ago
commit 34f74627751acf1a029bef1863766ca5f6489bb4
parent b8708ae
1 file changed +8 -4
modified src/utils.c
@@ -1031,9 +1031,13 @@ drop_privileges(void)
		if (nobody == NULL)

			err(EXIT_FAILURE, "Unable to drop priviledges");

		setgroups(1, &nobody->pw_gid);
- 
		setegid(nobody->pw_gid);
- 
		setgid(nobody->pw_gid);
- 
		seteuid(nobody->pw_uid);
- 
		setuid(nobody->pw_uid);
+ 
		if (setegid(nobody->pw_gid) == -1)
+ 
			err(EXIT_FAILURE, "Unable to setegid");
+ 
		if (setgid(nobody->pw_gid) == -1)
+ 
			err(EXIT_FAILURE, "Unable to setgid");
+ 
		if (seteuid(nobody->pw_uid) == -1)
+ 
			err(EXIT_FAILURE, "Unable to seteuid");
+ 
		if (setuid(nobody->pw_uid) == -1)
+ 
			err(EXIT_FAILURE, "Unable to setuid");

	}

}