728 lines
18 KiB
C
728 lines
18 KiB
C
/*
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* $FreeBSD$
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*
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* Copyright (c) 1996
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* Jörg Wunsch. All rights reserved.
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*
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* The basic structure has been taken from tcpip.c, which is:
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*
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* Copyright (c) 1995
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* Gary J Palmer. All rights reserved.
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* Jordan K Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <utmp.h>
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#include <ctype.h>
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#include <sys/param.h>
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#include <sysexits.h>
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/* The help file for the user mgmt screen */
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#define USER_HELPFILE "usermgmt"
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/* XXX should they be moved out to sysinstall.h? */
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#define GNAME_FIELD_LEN 32
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#define GID_FIELD_LEN 10
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#define GMEMB_FIELD_LEN 64
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#define UID_FIELD_LEN 10
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#define UGROUP_FIELD_LEN GNAME_FIELD_LEN
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#define GECOS_FIELD_LEN 64
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#define UMEMB_FIELD_LEN GMEMB_FIELD_LEN
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#define HOMEDIR_FIELD_LEN 48
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#define SHELL_FIELD_LEN 48
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#define PASSWD_FIELD_LEN 32
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/* These are nasty, but they make the layout structure a lot easier ... */
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static char gname[GNAME_FIELD_LEN],
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gid[GID_FIELD_LEN],
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gmemb[GMEMB_FIELD_LEN],
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uname[UT_NAMESIZE + 1],
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passwd[PASSWD_FIELD_LEN],
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uid[UID_FIELD_LEN],
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ugroup[UGROUP_FIELD_LEN],
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gecos[GECOS_FIELD_LEN],
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umemb[UMEMB_FIELD_LEN],
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homedir[HOMEDIR_FIELD_LEN],
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shell[SHELL_FIELD_LEN];
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#define CLEAR(v) memset(v, 0, sizeof v)
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static int okbutton, cancelbutton;
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/* What the screen size is meant to be */
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#define USER_DIALOG_Y 0
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#define USER_DIALOG_X 8
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#define USER_DIALOG_WIDTH COLS - 16
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#define USER_DIALOG_HEIGHT LINES - 2
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/* The group configuration menu. */
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static Layout groupLayout[] = {
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#define LAYOUT_GNAME 0
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{ 4, 10, 20, GNAME_FIELD_LEN - 1,
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"Group name:", "The alphanumeric name of the new group (mandatory)",
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gname, STRINGOBJ, NULL },
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#define LAYOUT_GID 1
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{ 4, 38, 10, GID_FIELD_LEN - 1,
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"GID:", "The numerical ID for this group (leave blank for automatic choice)",
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gid, STRINGOBJ, NULL },
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#define LAYOUT_GMEMB 2
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{ 11, 10, 40, GMEMB_FIELD_LEN - 1,
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"Group members:", "Who belongs to this group (i.e., gets access rights for it)",
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gmemb, STRINGOBJ, NULL },
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#define LAYOUT_OKBUTTON 3
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{ 18, 15, 0, 0,
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"OK", "Select this if you are happy with these settings",
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&okbutton, BUTTONOBJ, NULL },
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#define LAYOUT_CANCELBUTTON 4
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{ 18, 35, 0, 0,
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"CANCEL", "Select this if you wish to cancel this screen",
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&cancelbutton, BUTTONOBJ, NULL },
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{ NULL },
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};
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/* The user configuration menu. */
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static Layout userLayout[] = {
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#define LAYOUT_UNAME 0
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{ 3, 6, UT_NAMESIZE, UT_NAMESIZE + 1,
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"Login ID:", "The login name of the new user (mandatory)",
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uname, STRINGOBJ, NULL },
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#define LAYOUT_UID 1
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{ 3, 23, 8, UID_FIELD_LEN - 1,
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"UID:", "The numerical ID for this user (leave blank for automatic choice)",
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uid, STRINGOBJ, NULL },
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#define LAYOUT_UGROUP 2
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{ 3, 33, 8, UGROUP_FIELD_LEN - 1,
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"Group:", "The login group name for this user (leave blank for automatic choice)",
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ugroup, STRINGOBJ, NULL },
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#define LAYOUT_PASSWD 3
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{ 3, 43, 15, PASSWD_FIELD_LEN - 1,
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"Password:", "The password for this user (enter this field with care!)",
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passwd, NO_ECHO_OBJ(STRINGOBJ), NULL },
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#define LAYOUT_GECOS 4
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{ 8, 6, 33, GECOS_FIELD_LEN - 1,
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"Full name:", "The user's full name (comment)",
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gecos, STRINGOBJ, NULL },
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#define LAYOUT_UMEMB 5
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{ 8, 43, 15, UMEMB_FIELD_LEN - 1,
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"Member groups:", "The groups this user belongs to (i.e. gets access rights for)",
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umemb, STRINGOBJ, NULL },
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#define LAYOUT_HOMEDIR 6
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{ 13, 6, 20, HOMEDIR_FIELD_LEN - 1,
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"Home directory:", "The user's home directory (leave blank for default)",
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homedir, STRINGOBJ, NULL },
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#define LAYOUT_SHELL 7
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{ 13, 29, 29, SHELL_FIELD_LEN - 1,
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"Login shell:", "The user's login shell (leave blank for default)",
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shell, STRINGOBJ, NULL },
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#define LAYOUT_U_OKBUTTON 8
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{ 18, 15, 0, 0,
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"OK", "Select this if you are happy with these settings",
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&okbutton, BUTTONOBJ, NULL },
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#define LAYOUT_U_CANCELBUTTON 9
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{ 18, 35, 0, 0,
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"CANCEL", "Select this if you wish to cancel this screen",
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&cancelbutton, BUTTONOBJ, NULL },
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{ NULL },
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};
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/* whine */
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static void
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feepout(char *msg)
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{
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beep();
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dialog_notify(msg);
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}
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/* Check for the settings on the screen. */
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static int
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verifyGroupSettings(void)
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{
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char tmp[256], *cp;
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long lgid;
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if (strlen(gname) == 0) {
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feepout("The group name field must not be empty!");
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return 0;
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}
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snprintf(tmp, 256, "pw group show -q -n %s > /dev/null", gname);
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if (vsystem(tmp) == 0) {
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feepout("This group name is already in use.");
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return 0;
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}
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if (strlen(gid) > 0) {
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lgid = strtol(gid, &cp, 10);
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if (lgid < 0 || lgid >= 65536 || (*cp != '\0' && !isspace(*cp))) {
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feepout("The GID must be a number between 1 and 65535.");
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return 0;
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}
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}
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if (strlen(gmemb) > 0) {
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if (strpbrk(gmemb, " \t") != NULL) {
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feepout("The group member list must not contain any whitespace;\n"
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"use commas to separate the names.");
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return 0;
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}
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#ifndef notyet /* XXX */
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feepout("Sorry, the group member list feature\n"
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"is currently not yet implemented.");
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return 0;
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#endif
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}
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return 1;
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}
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/*
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* Ask pw(8) to fill in the blanks for us.
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* Works solely on the global variables.
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*/
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static void
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completeGroup(void)
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{
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int pfd[2], i;
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char tmp[256], *cp;
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ssize_t l;
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size_t amnt;
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pid_t pid;
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char *vec[4] =
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{
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"pw", "group", "next", 0
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};
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pipe (pfd);
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if ((pid = fork()) == 0)
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{
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/* The kiddy. */
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dup2(pfd[1], 1);
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dup2(pfd[1], 2);
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for (i = getdtablesize(); i > 2; i--)
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close(i);
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execv("/usr/sbin/pw", vec);
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msgDebug("Cannot execv() /usr/sbin/pw.\n");
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_exit(99);
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}
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else
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{
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/* The oldie. */
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close(pfd[1]);
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amnt = sizeof tmp;
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i = 0;
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while((l = read(pfd[0], &tmp[i], amnt)) > 0)
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{
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amnt -= l;
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i += l;
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if (amnt == 0)
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{
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close(pfd[0]);
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break;
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}
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}
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close(pfd[0]);
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tmp[i] = '\0';
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waitpid(pid, &i, 0);
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if (WIFSIGNALED(i) || WEXITSTATUS(i) != 0)
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/* ignore by now */
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return;
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if ((cp = strchr(tmp, '\n')) != NULL)
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*cp = '\0';
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strncpy(gid, tmp, sizeof gid);
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}
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}
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static void
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addGroup(WINDOW *ds_win)
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{
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char tmp[256];
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int pfd[2], i;
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ssize_t l;
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size_t amnt;
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pid_t pid;
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char *vec[8] =
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{
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"pw", "group", "add", "-n", 0, "-g", 0, 0
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};
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#define VEC_GNAME 4
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#define VEC_GID 6
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msgNotify("Adding group \"%s\"...", gname);
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pipe (pfd);
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if ((pid = fork()) == 0)
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{
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/* The kiddy. */
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dup2(pfd[1], 1);
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dup2(pfd[1], 2);
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for (i = getdtablesize(); i > 2; i--)
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close(i);
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vec[VEC_GNAME] = gname;
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if (strlen(gid) > 0)
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vec[VEC_GID] = gid;
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else
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vec[VEC_GID - 1] = 0;
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execv("/usr/sbin/pw", vec);
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msgDebug("Cannot execv() /usr/sbin/pw.\n");
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_exit(99);
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}
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else
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{
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/* The oldie. */
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close(pfd[1]);
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amnt = sizeof tmp;
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i = 0;
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while((l = read(pfd[0], &tmp[i], amnt)) > 0)
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{
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amnt -= l;
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i += l;
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if (amnt == 0)
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{
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close(pfd[0]);
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break;
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}
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}
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close(pfd[0]);
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tmp[i] = '\0';
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waitpid(pid, &i, 0);
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if (WIFSIGNALED(i))
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msgDebug("pw(8) exited with signal %d.\n", WTERMSIG(i));
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else if(WEXITSTATUS(i))
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{
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i = 0;
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if(strncmp(tmp, "pw: ", 4) == 0)
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i = 4;
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tmp[sizeof tmp - 1] = '\0'; /* sanity */
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msgConfirm("The `pw' command exited with an error status.\n"
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"Its error message was:\n\n%s",
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&tmp[i]);
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}
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}
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#undef VEC_GNAME
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#undef VEC_GID
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}
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int
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userAddGroup(dialogMenuItem *self)
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{
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WINDOW *ds_win, *save;
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ComposeObj *obj = NULL;
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int n = 0, cancel = FALSE, ret;
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int max, firsttime = TRUE;
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if (RunningAsInit && !strstr(variable_get(SYSTEM_STATE), "install")) {
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msgConfirm("This option may only be used after the system is installed, sorry!");
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return DITEM_FAILURE;
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}
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save = savescr();
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dialog_clear_norefresh();
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/* We need a curses window */
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if (!(ds_win = openLayoutDialog(USER_HELPFILE, " User and Group Management ",
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USER_DIALOG_X, USER_DIALOG_Y, USER_DIALOG_WIDTH, USER_DIALOG_HEIGHT))) {
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beep();
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msgConfirm("Cannot open addgroup dialog window!!");
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return(DITEM_FAILURE);
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}
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/* Draw a group entry box */
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draw_box(ds_win, USER_DIALOG_Y + 2, USER_DIALOG_X + 8, USER_DIALOG_HEIGHT - 8,
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USER_DIALOG_WIDTH - 17, dialog_attr, border_attr);
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wattrset(ds_win, dialog_attr);
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mvwaddstr(ds_win, USER_DIALOG_Y + 2, USER_DIALOG_X + 22, " Add a new group ");
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CLEAR(gname);
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CLEAR(gid);
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CLEAR(gmemb);
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/* Some more initialisation before we go into the main input loop */
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obj = initLayoutDialog(ds_win, groupLayout, USER_DIALOG_X, USER_DIALOG_Y, &max);
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reenter:
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cancelbutton = okbutton = 0;
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if (firsttime) {
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/* fill in the blanks, well, just the GID */
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completeGroup();
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RefreshStringObj(groupLayout[LAYOUT_GID].obj);
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firsttime = FALSE;
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}
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while (layoutDialogLoop(ds_win, groupLayout, &obj, &n, max, &cancelbutton, &cancel));
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if (!cancel && !verifyGroupSettings())
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goto reenter;
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/* Clear this crap off the screen */
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delwin(ds_win);
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dialog_clear_norefresh();
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use_helpfile(NULL);
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if (!cancel) {
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addGroup(ds_win);
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ret = DITEM_SUCCESS;
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}
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else
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ret = DITEM_FAILURE;
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restorescr(save);
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return ret;
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}
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/* Check for the settings on the screen. */
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static int
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verifyUserSettings(WINDOW *ds_win)
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{
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char tmp[256], *cp;
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long luid;
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WINDOW *save;
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int rv;
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if (strlen(uname) == 0) {
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feepout("The user name field must not be empty!");
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return 0;
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}
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snprintf(tmp, 256, "pw user show -q -n %s > /dev/null", uname);
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if (vsystem(tmp) == 0) {
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feepout("This user name is already in use.");
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return 0;
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}
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if (strlen(uid) > 0) {
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luid = strtol(uid, &cp, 10);
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if (luid < 0 || luid >= 65536 || (*cp != '\0' && !isspace(*cp))) {
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feepout("The UID must be a number between 1 and 65535.");
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return 0;
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}
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}
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if (strlen(shell) > 0) {
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while((cp = getusershell()) != NULL)
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if (strcmp(cp, shell) == 0)
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break;
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endusershell();
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if (cp == NULL) {
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save = savescr();
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rv = msgYesNo("Warning:\n\n"
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"The requested shell \"%s\" is not\n"
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"a valid user shell.\n\n"
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"Use it anyway?\n", shell);
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restorescr(save);
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wrefresh(ds_win);
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if (rv != DITEM_SUCCESS)
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return 0;
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}
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}
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if (strlen(umemb) > 0) {
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if (strpbrk(umemb, " \t") != NULL) {
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feepout("The member groups list must not contain any whitespace;\n"
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"use commas to separate the names.");
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return 0;
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}
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}
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return 1;
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}
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/*
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* Ask pw(8) to fill in the blanks for us.
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* Works solely on the global variables.
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*/
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static void
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completeUser(void)
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{
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int pfd[2], i;
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char tmp[256], *cp, *cp2;
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ssize_t l;
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size_t amnt;
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pid_t pid;
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char *vec[7] =
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{
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"pw", "user", "add", "-N", "-n", 0, 0
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};
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#define VEC_UNAME 5
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pipe (pfd);
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if ((pid = fork()) == 0)
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{
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/* The kiddy. */
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dup2(pfd[1], 1);
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dup2(pfd[1], 2);
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for (i = getdtablesize(); i > 2; i--)
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close(i);
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vec[VEC_UNAME] = uname;
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execv("/usr/sbin/pw", vec);
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msgDebug("Cannot execv() /usr/sbin/pw.\n");
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_exit(99);
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}
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else
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{
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/* The oldie. */
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close(pfd[1]);
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amnt = sizeof tmp;
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i = 0;
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while((l = read(pfd[0], &tmp[i], amnt)) > 0)
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{
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amnt -= l;
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i += l;
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if (amnt == 0)
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{
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close(pfd[0]);
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break;
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}
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}
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close(pfd[0]);
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tmp[i] = '\0';
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waitpid(pid, &i, 0);
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if (WIFSIGNALED(i) || WEXITSTATUS(i) != 0)
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/* ignore by now */
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return;
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if ((cp = strchr(tmp, '\n')) != NULL)
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*cp = '\0';
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if ((cp = strchr(tmp, ':')) == NULL || (cp = strchr(++cp, ':')) == NULL)
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return;
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cp++;
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if ((cp2 = strchr(cp, ':')) == NULL)
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return;
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*cp2++ = '\0';
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strncpy(uid, cp, sizeof uid);
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cp = cp2;
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if ((cp2 = strchr(cp, ':')) == NULL)
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return;
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*cp2++ = '\0';
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#ifdef notyet /* XXX pw user add -g doesn't accept a numerical GID */
|
|
strncpy(ugroup, cp, sizeof ugroup);
|
|
#endif
|
|
cp = cp2;
|
|
if ((cp2 = strchr(cp, ':')) == NULL || (cp2 = strchr(++cp2, ':')) == NULL ||
|
|
(cp = cp2 = strchr(++cp2, ':')) == NULL || (cp2 = strchr(++cp2, ':')) == NULL)
|
|
return;
|
|
*cp2++ = '\0';
|
|
cp++;
|
|
strncpy(gecos, cp, sizeof gecos);
|
|
cp = cp2;
|
|
if ((cp2 = strchr(cp, ':')) == NULL)
|
|
return;
|
|
*cp2++ = '\0';
|
|
if (*cp2)
|
|
strncpy(shell, cp2, sizeof shell);
|
|
}
|
|
#undef VEC_UNAME
|
|
}
|
|
|
|
static void
|
|
addUser(WINDOW *ds_win)
|
|
{
|
|
char tmp[256], *msg;
|
|
int pfd[2], ipfd[2], i, j;
|
|
ssize_t l;
|
|
size_t amnt;
|
|
pid_t pid;
|
|
/*
|
|
* Maximal list:
|
|
* pw user add -m -n uname -g grp -u uid -c comment -d homedir -s shell -G grplist -h 0
|
|
*/
|
|
char *vec[21] =
|
|
{
|
|
"pw", "user", "add", "-m", "-n", /* ... */
|
|
};
|
|
#define VEC_UNAME 5
|
|
|
|
msgNotify("Adding user \"%s\"...", uname);
|
|
|
|
pipe (pfd);
|
|
pipe (ipfd);
|
|
if ((pid = fork()) == 0)
|
|
{
|
|
/* The kiddy. */
|
|
dup2(ipfd[0], 0);
|
|
dup2(pfd[1], 1);
|
|
dup2(pfd[1], 2);
|
|
for (i = getdtablesize(); i > 2; i--)
|
|
close(i);
|
|
|
|
vec[i = VEC_UNAME] = uname;
|
|
i++;
|
|
#define ADDVEC(var, option) do { if (strlen(var) > 0) { vec[i++] = option; vec[i++] = var; } } while (0)
|
|
ADDVEC(ugroup, "-g");
|
|
ADDVEC(uid, "-u");
|
|
ADDVEC(gecos, "-c");
|
|
ADDVEC(homedir, "-d");
|
|
ADDVEC(shell, "-s");
|
|
ADDVEC(umemb, "-G");
|
|
if (passwd[0]) {
|
|
vec[i++] = "-h";
|
|
vec[i++] = "0";
|
|
}
|
|
vec[i] = 0;
|
|
|
|
execv("/usr/sbin/pw", vec);
|
|
msgDebug("Cannot execv() /usr/sbin/pw.\n");
|
|
_exit(99);
|
|
}
|
|
else
|
|
{
|
|
/* The oldie. */
|
|
close(pfd[1]);
|
|
close(ipfd[0]);
|
|
|
|
if (passwd[0])
|
|
write(ipfd[1], passwd, strlen(passwd));
|
|
close(ipfd[1]);
|
|
amnt = sizeof tmp;
|
|
i = 0;
|
|
while((l = read(pfd[0], &tmp[i], amnt)) > 0)
|
|
{
|
|
amnt -= l;
|
|
i += l;
|
|
if (amnt == 0)
|
|
{
|
|
close(pfd[0]);
|
|
break;
|
|
}
|
|
}
|
|
close(pfd[0]);
|
|
tmp[i] = '\0';
|
|
waitpid(pid, &i, 0);
|
|
if (WIFSIGNALED(i))
|
|
{
|
|
j = WTERMSIG(i);
|
|
msg = "The `pw' command exited with signal %d.\n";
|
|
goto sysfail;
|
|
}
|
|
else if((j = WEXITSTATUS(i)))
|
|
{
|
|
i = 0;
|
|
if(strncmp(tmp, "pw: ", 4) == 0)
|
|
i = 4;
|
|
tmp[sizeof tmp - 1] = '\0'; /* sanity */
|
|
if (j == EX_DATAERR || j == EX_NOUSER || j == EX_SOFTWARE)
|
|
msgConfirm("The `pw' command exited with an error status.\n"
|
|
"Its error message was:\n\n%s",
|
|
&tmp[i]);
|
|
else
|
|
{
|
|
msg = "The `pw' command exited with unexpected status %d.\n";
|
|
sysfail:
|
|
msgDebug(msg, j);
|
|
msgDebug("Command stdout and stderr was:\n\n%s", tmp);
|
|
msgConfirm(msg, j);
|
|
}
|
|
}
|
|
else if (!passwd[0])
|
|
msgConfirm("You will need to enter a password for this user\n"
|
|
"later, using the passwd(1) command from the shell.\n\n"
|
|
"The account for `%s' is currently still disabled.",
|
|
uname);
|
|
}
|
|
#undef VEC_UNAME
|
|
#undef ADDVEC
|
|
}
|
|
|
|
int
|
|
userAddUser(dialogMenuItem *self)
|
|
{
|
|
WINDOW *ds_win, *save;
|
|
ComposeObj *obj = NULL;
|
|
int n = 0, cancel = FALSE, ret;
|
|
int max, firsttime = TRUE;
|
|
|
|
if (RunningAsInit && !strstr(variable_get(SYSTEM_STATE), "install")) {
|
|
msgConfirm("This option may only be used after the system is installed, sorry!");
|
|
return DITEM_FAILURE;
|
|
}
|
|
|
|
save = savescr();
|
|
dialog_clear_norefresh();
|
|
|
|
/* We need a curses window */
|
|
if (!(ds_win = openLayoutDialog(USER_HELPFILE, " User and Group Management ",
|
|
USER_DIALOG_X, USER_DIALOG_Y, USER_DIALOG_WIDTH, USER_DIALOG_HEIGHT))) {
|
|
beep();
|
|
msgConfirm("Cannot open adduser dialog window!!");
|
|
return(DITEM_FAILURE);
|
|
}
|
|
|
|
/* Draw a user entry box */
|
|
draw_box(ds_win, USER_DIALOG_Y + 1, USER_DIALOG_X + 3, USER_DIALOG_HEIGHT - 6,
|
|
USER_DIALOG_WIDTH - 6, dialog_attr, border_attr);
|
|
wattrset(ds_win, dialog_attr);
|
|
mvwaddstr(ds_win, USER_DIALOG_Y + 1, USER_DIALOG_X + 22, " Add a new user ");
|
|
|
|
CLEAR(uname);
|
|
CLEAR(uid);
|
|
CLEAR(ugroup);
|
|
CLEAR(gecos);
|
|
CLEAR(passwd);
|
|
CLEAR(umemb);
|
|
CLEAR(homedir);
|
|
CLEAR(shell);
|
|
|
|
/* Some more initialisation before we go into the main input loop */
|
|
obj = initLayoutDialog(ds_win, userLayout, USER_DIALOG_X, USER_DIALOG_Y, &max);
|
|
|
|
reenter:
|
|
cancelbutton = okbutton = 0;
|
|
if (firsttime) {
|
|
/* fill in the blanks, well, just the GID */
|
|
completeUser();
|
|
RefreshStringObj(userLayout[LAYOUT_UID].obj);
|
|
RefreshStringObj(userLayout[LAYOUT_UGROUP].obj);
|
|
RefreshStringObj(userLayout[LAYOUT_GECOS].obj);
|
|
RefreshStringObj(userLayout[LAYOUT_UMEMB].obj);
|
|
RefreshStringObj(userLayout[LAYOUT_HOMEDIR].obj);
|
|
RefreshStringObj(userLayout[LAYOUT_SHELL].obj);
|
|
firsttime = FALSE;
|
|
}
|
|
|
|
while (layoutDialogLoop(ds_win, userLayout, &obj, &n, max, &cancelbutton, &cancel));
|
|
|
|
if (!cancel && !verifyUserSettings(ds_win))
|
|
goto reenter;
|
|
|
|
/* Clear this crap off the screen */
|
|
delwin(ds_win);
|
|
dialog_clear_norefresh();
|
|
use_helpfile(NULL);
|
|
|
|
if (!cancel) {
|
|
addUser(ds_win);
|
|
ret = DITEM_SUCCESS;
|
|
}
|
|
else
|
|
ret = DITEM_FAILURE;
|
|
restorescr(save);
|
|
return ret;
|
|
}
|
|
|