now set SUDO_ envariables

diff --git a/sudo.c b/sudo.c
index 073fbfed74f284e6e38361e2743b0a6aa74cee2e..3c098a89f9896f204183f71a8455edd464d342f8 100644 (file)
--- a/sudo.c
+++ b/sudo.c
@@ -97,6 +97,7 @@ extern char *strdup();
  */
 static void usage              __P((void));
 static void load_globals       __P((void));
+static void add_env            __P((void));
 static void rmenv              __P((char **, char *, int));
 static void clean_env          __P((char **));
 
@@ -167,6 +168,8 @@ main(argc, argv)
 
     load_globals();            /* load the user host cmnd and uid variables */
 
+    add_env();                 /* add in SUDO_* envariables */
+
     rtn = validate();
     switch (rtn) {
 
@@ -452,3 +455,42 @@ static void rmenv(envp, s, len)
        }
     }
 }
+
+
+
+/**********************************************************************
+ *
+ * add_env()
+ *
+ *  this function adds sudo-specific variables into the environment
+ */
+
+static void add_env()
+{
+    char *envar;
+    int len, n;
+
+    /* add the SUDO_USER envariable */
+    envar = (char *) malloc(strlen(user) + 10);
+    if (envar == NULL) {
+       perror("malloc");
+       (void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
+       exit(1);
+    }
+    (void) strcpy(envar, "SUDO_USER=");
+    (void) strcpy(envar+10, user);
+    (void) putenv(envar);
+
+    /* add the SUDO_UID envariable */
+    for (len = 1 + (uid < 0), n = (int)uid; (n = n / 10) != 0; )
+       ++len;
+    
+    envar = (char *) malloc(len+9);
+    if (envar == NULL) {
+       perror("malloc");
+       (void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
+       exit(1);
+    }
+    (void) sprintf(envar, "SUDO_UID=%d", (int)uid);
+    (void) putenv(envar);
+}