system_cmds-735.20.1.tar.gz

[apple/system_cmds.git] / chkpasswd.tproj / file_passwd.c

diff --git a/chkpasswd.tproj/file_passwd.c b/chkpasswd.tproj/file_passwd.c
index 083c1111107ca1d9d91727d7e3860e6a7970ba72..90f54f2a5c05086db7cc0587a8d638f8bdd10a7f 100644 (file)
--- a/chkpasswd.tproj/file_passwd.c
+++ b/chkpasswd.tproj/file_passwd.c
@@ -1,25 +1,24 @@
 /*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2016 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ *
+ * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
+ * Reserved.  This file contains Original Code and/or Modifications of
+ * Original Code as defined in and that are subject to the Apple Public
+ * Source License Version 1.0 (the 'License').  You may not use this file
+ * except in compliance with the License.  Please obtain a copy of the
+ * License at http://www.apple.com/publicsource and read it before using
+ * this file.
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License."
+ *
  * @APPLE_LICENSE_HEADER_END@
  */
 #include <stdio.h>
@@ -27,6 +26,7 @@
 #include <unistd.h>
 #include <pwd.h>
 #include <errno.h>
+#include <string.h>
 #include "stringops.h"
 
 #define TEMP_FILE "/tmp/.pwtmp"
@@ -36,20 +36,18 @@
 #define _PASSWD_FIELDS 10
 #define BUFSIZE 8192
 
-extern void checkpasswd(char *, char *);
+#include "passwd.h"
 
-static int do_compat = 1;
-
-char *
-getline(FILE *fp)
+static char *
+_getline(FILE *fp)
 {
        static char s[BUFSIZE];
-       int len;
+       size_t len;
 
-    s[0] = '\0';
+       s[0] = '\0';
 
-    fgets(s, BUFSIZE, fp);
-    if (s == NULL || s[0] == '\0') return NULL;
+       fgets(s, BUFSIZE, fp);
+       if (s[0] == '\0') return NULL;
 
        if (s[0] == '#') return s;
 
@@ -59,7 +57,7 @@ getline(FILE *fp)
        return s;
 }
 
-struct passwd *
+static struct passwd *
 parse_user(char *line)
 {
        static struct passwd pw = {0};
@@ -109,7 +107,7 @@ parse_user(char *line)
        return &pw;
 }
 
-struct passwd *
+static struct passwd *
 find_user(char *uname, FILE *fp)
 {
        char *line;
@@ -117,7 +115,7 @@ find_user(char *uname, FILE *fp)
 
        rewind(fp);
 
-       while (NULL != (line = getline(fp)))
+       while (NULL != (line = _getline(fp)))
        {
                if (line[0] == '#') continue;
                pw = parse_user(line);
@@ -129,14 +127,15 @@ find_user(char *uname, FILE *fp)
        return (struct passwd *)NULL;
 }
 
-void
+#if 0
+static void
 rewrite_file(char *pwname, FILE *fp, struct passwd *newpw)
 {
        char *line;
        struct passwd *pw;
        FILE *tfp, *cfp;
        char fname[256];
-       
+
        sprintf(fname, "%s.%d", TEMP_FILE, getpid());
 
        tfp = fopen(fname, "w+");
@@ -174,7 +173,7 @@ rewrite_file(char *pwname, FILE *fp, struct passwd *newpw)
 
        rewind(fp);
 
-       while (NULL != (line = getline(fp)))
+       while (NULL != (line = _getline(fp)))
        {
                if (line[0] == '#')
                {
@@ -198,7 +197,7 @@ rewrite_file(char *pwname, FILE *fp, struct passwd *newpw)
                        continue;
                }
 
-               fprintf(tfp, "%s:%s:%d:%d:%s:%d:%d:%s:%s:%s\n",
+               fprintf(tfp, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n",
                        newpw->pw_name, newpw->pw_passwd, newpw->pw_uid, newpw->pw_gid,
                        newpw->pw_class, newpw->pw_change, newpw->pw_expire,
                        newpw->pw_gecos, newpw->pw_dir, newpw->pw_shell);
@@ -234,7 +233,7 @@ rewrite_file(char *pwname, FILE *fp, struct passwd *newpw)
                exit(1);
        }
 
-       while (NULL != (line = getline(tfp)))
+       while (NULL != (line = _getline(tfp)))
        {
                fprintf(fp, "%s", line);
                if (line[0] != '#') fprintf(fp, "\n");
@@ -243,6 +242,7 @@ rewrite_file(char *pwname, FILE *fp, struct passwd *newpw)
        fclose(tfp);
        unlink(fname);
 }
+#endif /* 0 */
 
 int
 file_check_passwd(char *uname, char *locn)
@@ -254,8 +254,7 @@ file_check_passwd(char *uname, char *locn)
        fname = _PASSWD_FILE;
        if (locn != NULL) fname = locn;
 
-       fp = fopen(fname, "r");
-       if (fp == NULL)
+       if (access(fname,R_OK) || (fp = fopen(fname, "r")) == NULL)
        {
                fprintf(stderr, "can't read file \"%s\": ", fname);
                perror("");