date and time created 89/02/22 17:23:48 by bostic

SCCS-vsn: usr.bin/chpass/chpass.h 5.1
SCCS-vsn: usr.bin/chpass/field.c 5.1

diff --git a/usr/src/usr.bin/chpass/chpass.h b/usr/src/usr.bin/chpass/chpass.h
new file mode 100644 (file)
index 0000000..9e3fa12
--- /dev/null
+++ b/usr/src/usr.bin/chpass/chpass.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)chpass.h    5.1 (Berkeley) %G%
+ */
+
+struct entry {
+       char *prompt;
+       int (*func)(), restricted, len;
+       char *except, *save;
+};
+
+extern uid_t uid;

diff --git a/usr/src/usr.bin/chpass/field.c b/usr/src/usr.bin/chpass/field.c
new file mode 100644 (file)
index 0000000..93150e7
--- /dev/null
+++ b/usr/src/usr.bin/chpass/field.c
@@ -0,0 +1,214 @@
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)field.c    5.1 (Berkeley) %G%";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include </usr/src/include/pwd.h>
+#include <grp.h>
+#include <strings.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <chpass.h>
+
+/* ARGSUSED */
+p_login(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field");
+               return(1);
+       }
+       if (!(pw->pw_name = strdup(p))) {
+               fprintf(stderr, "chpass: can't save entry");
+               return(1);
+       }
+       return(0);
+}
+
+/* ARGSUSED */
+p_uid(p, pw, ep)
+       register char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       int id;
+
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field");
+               return(1);
+       }
+       if (!isdigit(*p)) {
+               fprintf(stderr, "chpass: illegal uid");
+               return(1);
+       }
+       id = atoi(p);
+       if ((u_int)id > USHRT_MAX) {
+               fprintf(stderr, "chpass: %d > max uid value (%d)",
+                   id, USHRT_MAX);
+               return(1);
+       }
+       pw->pw_uid = id;
+       return(0);
+}
+
+/* ARGSUSED */
+p_gid(p, pw, ep)
+       register char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       struct group *gr;
+       int id;
+
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field");
+               return(1);
+       }
+       if (!isdigit(*p)) {
+               if (!(gr = getgrnam(p))) {
+                       fprintf(stderr, "chpass: unknown group %s", p);
+                       return(1);
+               }
+               pw->pw_gid = gr->gr_gid;
+               return(0);
+       }
+       id = atoi(p);
+       if ((u_int)id > USHRT_MAX) {
+               fprintf(stderr, "chpass: %d > max gid value (%d)",
+                   id, USHRT_MAX);
+               return(1);
+       }
+       pw->pw_gid = id;
+       return(0);
+}
+
+/* ARGSUSED */
+p_class(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field");
+               return(0);
+       }
+       if (!(pw->pw_class = strdup(p))) {
+               fprintf(stderr, "chpass: can't save entry");
+               return(1);
+       }
+       return(0);
+}
+
+/* ARGSUSED */
+p_change(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!atot(p, &pw->pw_change))
+               return(0);
+       fprintf(stderr, "chpass: illegal date for change field");
+       return(1);
+}
+
+/* ARGSUSED */
+p_expire(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!atot(p, &pw->pw_expire))
+               return(0);
+       fprintf(stderr, "chpass: illegal date for expire field");
+       return(1);
+}
+
+/* ARGSUSED */
+p_save(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field.");
+               return(1);
+       }
+       if (!(ep->save = strdup(p))) {
+               fprintf(stderr, "chpass: can't save entry");
+               return(1);
+       }
+       return(0);
+}
+
+/* ARGSUSED */
+p_hdir(p, pw, ep)
+       char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       if (!*p) {
+               fprintf(stderr, "chpass: empty field");
+               return(1);
+       }
+       if (!(pw->pw_dir = strdup(p))) {
+               fprintf(stderr, "chpass: can't save entry");
+               return(1);
+       }
+       return(0);
+}
+
+/* ARGSUSED */
+p_shell(p, pw, ep)
+       register char *p;
+       struct passwd *pw;
+       struct entry *ep;
+{
+       register char *sh, *t;
+       char *getusershell();
+
+       if (!*p) {
+               pw->pw_shell = "/bin/sh";
+               return(0);
+       }
+       setusershell();
+       for (;;) {
+               if (!(sh = getusershell())) {
+                       /* only admin can set "restricted" shells */
+                       if (!uid)
+                               break;
+                       fprintf(stderr, "chpass: %s: non-standard shell", p);
+                       return(1);
+               }
+               if (!strcmp(p, sh))
+                       break;
+               /* allow just shell name */
+               if ((t = rindex(sh, '/')) && !strcmp(p, t)) {
+                       p = t;
+                       break;
+               }
+       }
+       if (!(pw->pw_shell = strdup(p))) {
+               fprintf(stderr, "chpass: can't save entry");
+               return(1);
+       }
+       return(0);
+}