From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Thu, 13 May 2010 14:20:40 +0000 (-0400)
Subject: Add version of getenv(3) that uses our own environ pointer.
X-Git-Tag: SUDO_1_8_0~638
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=832ce341e4e5049b58905e4f07a8c14bae904b37;p=sudo

Add version of getenv(3) that uses our own environ pointer.
---

diff --git a/plugins/sudoers/env.c b/plugins/sudoers/env.c
index 0040b8d6d..6041f5713 100644
--- a/plugins/sudoers/env.c
+++ b/plugins/sudoers/env.c
@@ -265,6 +265,22 @@ sudo_setenv(const char *var, const char *val, int dupcheck)
     sudo_putenv(estring, dupcheck, TRUE);
 }
 
+/*
+ * Version of getenv(3) that uses our own environ pointer.
+ */
+char *
+getenv(const char *var)
+{
+    char *cp, **ev;
+    size_t vlen = strlen(var);
+
+    for (ev = env.envp; (cp = *ev) != NULL; ev++) {
+	if (strncmp(var, cp, vlen) == 0 && cp[vlen] == '=')
+	    return cp + vlen + 1;
+    }
+    return NULL;
+}
+
 /*
  * Version of setenv(3) that uses our own environ pointer.
  */