From 5ec4ab3113dcc813b6040d7ded38e297df99dc0e Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Thu, 28 Nov 2013 21:06:15 -0600
Subject: Add xgetpwnam() to lib/xwrap.c.

---
 toys/lsb/passwd.c       | 12 +++++-------
 toys/pending/groupadd.c |  3 +--
 toys/pending/tftpd.c    |  6 +-----
 toys/posix/id.c         |  6 ++----
 4 files changed, 9 insertions(+), 18 deletions(-)

(limited to 'toys')

diff --git a/toys/lsb/passwd.c b/toys/lsb/passwd.c
index 1784c049..f3338361 100644
--- a/toys/lsb/passwd.c
+++ b/toys/lsb/passwd.c
@@ -103,17 +103,15 @@ void passwd_main(void)
   int ret = -1;
 
   myuid = getuid();
-  if ((myuid) && (toys.optflags & (FLAG_l | FLAG_u | FLAG_d)))
-    error_exit("You need to be root to do these actions\n");
+  if (myuid && (toys.optflags & (FLAG_l | FLAG_u | FLAG_d)))
+    error_exit("Not root");
 
-  pw = getpwuid(myuid);
-  if (!pw) error_exit("Unknown uid '%u'",myuid);
+  pw = xgetpwuid(myuid);
 
-  if (toys.optargs[0]) name = toys.optargs[0];
+  if (*toys.optargs) name = toys.optargs[0];
   else name = xstrdup(pw->pw_name);
 
-  pw = getpwnam(name);
-  if (!pw) error_exit("Unknown user '%s'",name);
+  pw = xgetpwnam(name);
 
   if (myuid && (myuid != pw->pw_uid))
     error_exit("You need to be root to change '%s' password\n", name);
diff --git a/toys/pending/groupadd.c b/toys/pending/groupadd.c
index ab290e54..8ff539eb 100644
--- a/toys/pending/groupadd.c
+++ b/toys/pending/groupadd.c
@@ -79,8 +79,7 @@ void groupadd_main(void)
 
   if (toys.optc == 2) {  //add user to group
     //toys.optargs[0]- user, toys.optargs[1] - group
-    if (!getpwnam(toys.optargs[0])) 
-      error_exit("user '%s' does not exist", toys.optargs[0]);
+    xgetpwnam(*toys.optargs);
     if (!(grp = getgrnam(toys.optargs[1]))) 
       error_exit("group '%s' does not exist", toys.optargs[1]);
     if (!grp->gr_mem) entry = xmsprintf("%s", *toys.optargs);
diff --git a/toys/pending/tftpd.c b/toys/pending/tftpd.c
index 3e7264b5..ea8d3eac 100644
--- a/toys/pending/tftpd.c
+++ b/toys/pending/tftpd.c
@@ -249,11 +249,7 @@ void tftpd_main(void)
     error_exit(NULL);
   }
 
-  if (toys.optflags & FLAG_u) {
-    struct passwd *pw = getpwnam(TT.user);
-    if (!pw) error_exit("unknown user %s", TT.user);
-    TT.pw = pw;
-  }
+  if (TT.user) TT.pw = xgetpwnam(TT.user);
   if (*toys.optargs) {
     if (chroot(*toys.optargs))
       perror_exit("can't change root directory to '%s'", *toys.optargs);
diff --git a/toys/posix/id.c b/toys/posix/id.c
index f40f6c1b..8b68d4de 100644
--- a/toys/posix/id.c
+++ b/toys/posix/id.c
@@ -67,12 +67,10 @@ void do_id(char *username)
 
   // check if a username is given
   if (username) {
-    if (!(pw = getpwnam(username)))
-      error_exit("no such user '%s'", username);
+    pw = xgetpwnam(username);
     uid = euid = pw->pw_uid;
     gid = egid = pw->pw_gid;
-    if (cmd_groups)
-      printf("%s : ", pw->pw_name);
+    if (cmd_groups) printf("%s : ", pw->pw_name);
   }
 
   i = flags & FLAG_r;
-- 
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