freebsd-skq/usr.sbin/sysinstall/user.c
joerg 81835df193 Increase the size of the vector that is allocated for execv(). Jordan
apparently forgot this when adding the password feature.
1996-12-15 11:22:37 +00:00

949 lines
23 KiB
C

/*
* $Id: user.c,v 1.4 1996/12/14 23:09:10 jkh Exp $
*
* Copyright (c) 1996
* Jörg Wunsch. All rights reserved.
*
* The basic structure has been taken from tcpip.c, which is:
*
* Copyright (c) 1995
* Gary J Palmer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <utmp.h>
#include <sys/param.h>
#include <string.h>
#include <sysexits.h>
#include <dialog.h>
#include "ui_objects.h"
#include "dir.h"
#include "dialog.priv.h"
#include "colors.h"
#include "sysinstall.h"
/* The help file for the user mgmt screen */
#define USER_HELPFILE "usermgmt"
/* XXX should they be moved out to sysinstall.h? */
#define GNAME_FIELD_LEN 32
#define GID_FIELD_LEN 10
#define GMEMB_FIELD_LEN 64
#define UID_FIELD_LEN 10
#define UGROUP_FIELD_LEN GNAME_FIELD_LEN
#define GECOS_FIELD_LEN 64
#define UMEMB_FIELD_LEN GMEMB_FIELD_LEN
#define HOMEDIR_FIELD_LEN 48
#define SHELL_FIELD_LEN 48
#define PASSWD_FIELD_LEN 32
/* These are nasty, but they make the layout structure a lot easier ... */
static char gname[GNAME_FIELD_LEN],
gid[GID_FIELD_LEN],
gmemb[GMEMB_FIELD_LEN],
uname[UT_NAMESIZE + 1],
passwd[PASSWD_FIELD_LEN],
uid[UID_FIELD_LEN],
ugroup[UGROUP_FIELD_LEN],
gecos[GECOS_FIELD_LEN],
umemb[UMEMB_FIELD_LEN],
homedir[HOMEDIR_FIELD_LEN],
shell[SHELL_FIELD_LEN];
#define CLEAR(v) memset(v, 0, sizeof v)
static int okbutton, cancelbutton;
/* What the screen size is meant to be */
#define USER_DIALOG_Y 0
#define USER_DIALOG_X 8
#define USER_DIALOG_WIDTH COLS - 16
#define USER_DIALOG_HEIGHT LINES - 2
/* The screen layout structure */
typedef struct _layout {
int y; /* x & Y co-ordinates */
int x;
int len; /* The size of the dialog on the screen */
int maxlen; /* How much the user can type in ... */
char *prompt; /* The string for the prompt */
char *help; /* The display for the help line */
void *var; /* The var to set when this changes */
int type; /* The type of the dialog to create */
void *obj; /* The obj pointer returned by libdialog */
} Layout;
/* The group configuration menu. */
static Layout groupLayout[] = {
#define LAYOUT_GNAME 0
{ 4, 10, 20, GNAME_FIELD_LEN - 1,
"Group name:", "The alphanumeric name of the new group (mandatory)",
gname, STRINGOBJ, NULL },
#define LAYOUT_GID 1
{ 4, 38, 10, GID_FIELD_LEN - 1,
"GID:", "The numerical ID for this group (leave blank for automatic choice)",
gid, STRINGOBJ, NULL },
#define LAYOUT_GMEMB 2
{ 11, 10, 40, GMEMB_FIELD_LEN - 1,
"Group members:", "Who belongs to this group (i.e., gets access rights for it)",
gmemb, STRINGOBJ, NULL },
#define LAYOUT_OKBUTTON 3
{ 18, 15, 0, 0,
"OK", "Select this if you are happy with these settings",
&okbutton, BUTTONOBJ, NULL },
#define LAYOUT_CANCELBUTTON 4
{ 18, 35, 0, 0,
"CANCEL", "Select this if you wish to cancel this screen",
&cancelbutton, BUTTONOBJ, NULL },
{ NULL },
};
/* The user configuration menu. */
static Layout userLayout[] = {
#define LAYOUT_UNAME 0
{ 3, 6, UT_NAMESIZE, UT_NAMESIZE + 4,
"Login ID:", "The login name of the new user (mandatory)",
uname, STRINGOBJ, NULL },
#define LAYOUT_UID 1
{ 3, 23, 8, UID_FIELD_LEN - 1,
"UID:", "The numerical ID for this user (leave blank for automatic choice)",
uid, STRINGOBJ, NULL },
#define LAYOUT_UGROUP 2
{ 3, 33, 8, UGROUP_FIELD_LEN - 1,
"Group:", "The login group name for this user (leave blank for automatic choice)",
ugroup, STRINGOBJ, NULL },
#define LAYOUT_PASSWD 3
{ 3, 43, 15, PASSWD_FIELD_LEN - 1,
"Password:", "The password for this user (enter this field with care!)",
passwd, STRINGOBJ, NULL },
#define LAYOUT_GECOS 4
{ 8, 6, 33, GECOS_FIELD_LEN - 1,
"Full name:", "The user's full name (comment)",
gecos, STRINGOBJ, NULL },
#define LAYOUT_UMEMB 5
{ 8, 43, 15, UMEMB_FIELD_LEN - 1,
"Member groups:", "The groups this user belongs to (i.e. gets access rights for)",
umemb, STRINGOBJ, NULL },
#define LAYOUT_HOMEDIR 6
{ 13, 6, 20, HOMEDIR_FIELD_LEN - 1,
"Home directory:", "The user's home directory (leave blank for default)",
homedir, STRINGOBJ, NULL },
#define LAYOUT_SHELL 7
{ 13, 29, 29, SHELL_FIELD_LEN - 1,
"Login shell:", "The user's login shell (leave blank for default)",
shell, STRINGOBJ, NULL },
#define LAYOUT_U_OKBUTTON 8
{ 18, 15, 0, 0,
"OK", "Select this if you are happy with these settings",
&okbutton, BUTTONOBJ, NULL },
#define LAYOUT_U_CANCELBUTTON 9
{ 18, 35, 0, 0,
"CANCEL", "Select this if you wish to cancel this screen",
&cancelbutton, BUTTONOBJ, NULL },
{ NULL },
};
/* whine */
static void
feepout(char *msg)
{
beep();
dialog_notify(msg);
}
/* Check for the settings on the screen. */
static int
verifyGroupSettings(void)
{
char tmp[256], *cp;
long lgid;
if (strlen(gname) == 0) {
feepout("The group name field must not be empty!");
return 0;
}
snprintf(tmp, 256, "pw group show -q -n %s > /dev/null", gname);
if (vsystem(tmp) == 0) {
feepout("This group name is already in use.");
return 0;
}
if (strlen(gid) > 0) {
lgid = strtol(gid, &cp, 10);
if (lgid < 0 || lgid >= 65536 || (*cp != '\0' && !isspace(*cp))) {
feepout("The GID must be a number between 1 and 65535.");
return 0;
}
}
if (strlen(gmemb) > 0) {
if (strpbrk(gmemb, " \t") != NULL) {
feepout("The group member list must not contain any whitespace;\n"
"use commas to separate the names.");
return 0;
}
#ifndef notyet /* XXX */
feepout("Sorry, the group member list feature\n"
"is currently not yet implemented.");
return 0;
#endif
}
return 1;
}
/*
* Ask pw(8) to fill in the blanks for us.
* Works solely on the global variables.
*/
static void
completeGroup(void)
{
int pfd[2], i;
char tmp[256], *cp;
ssize_t l;
size_t amnt;
pid_t pid;
char *vec[4] =
{
"pw", "group", "next", 0
};
pipe (pfd);
if ((pid = fork()) == 0)
{
/* The kiddy. */
dup2(pfd[1], 1);
dup2(pfd[1], 2);
for (i = getdtablesize(); i > 2; i--)
close(i);
chroot(variable_get(VAR_INSTALL_ROOT));
execv("/usr/sbin/pw", vec);
msgDebug("Cannot execv() /usr/sbin/pw.\n");
_exit(99);
}
else
{
/* The oldie. */
close(pfd[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) || WEXITSTATUS(i) != 0)
/* ignore by now */
return;
if ((cp = strchr(tmp, '\n')) != NULL)
*cp = '\0';
strncpy(gid, tmp, sizeof gid);
}
}
static void
addGroup(WINDOW *ds_win)
{
char tmp[256];
int pfd[2], i;
ssize_t l;
size_t amnt;
pid_t pid;
char *vec[8] =
{
"pw", "group", "add", "-n", 0, "-g", 0, 0
};
#define VEC_GNAME 4
#define VEC_GID 6
msgNotify("Adding group \"%s\"...", gname);
pipe (pfd);
if ((pid = fork()) == 0)
{
/* The kiddy. */
dup2(pfd[1], 1);
dup2(pfd[1], 2);
for (i = getdtablesize(); i > 2; i--)
close(i);
vec[VEC_GNAME] = gname;
if (strlen(gid) > 0)
vec[VEC_GID] = gid;
else
vec[VEC_GID - 1] = 0;
chroot(variable_get(VAR_INSTALL_ROOT));
execv("/usr/sbin/pw", vec);
msgDebug("Cannot execv() /usr/sbin/pw.\n");
_exit(99);
}
else
{
/* The oldie. */
close(pfd[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))
msgDebug("pw(8) exited with signal %d.\n", WTERMSIG(i));
else if(WEXITSTATUS(i))
{
i = 0;
if(strncmp(tmp, "pw: ", 4) == 0)
i = 4;
tmp[sizeof tmp - 1] = '\0'; /* sanity */
msgConfirm("The `pw' command exited with an error status.\n"
"Its error message was:\n\n%s",
&tmp[i]);
}
}
#undef VEC_GNAME
#undef VEC_GID
}
int
userAddGroup(dialogMenuItem *self)
{
WINDOW *ds_win, *save;
ComposeObj *obj = NULL;
ComposeObj *first, *last;
int n=0, quit=FALSE, cancel=FALSE, ret;
int max, firsttime=TRUE;
char help[FILENAME_MAX];
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 */
ds_win = newwin(LINES, COLS, 0, 0);
if (ds_win == 0)
msgFatal("Cannot open AddGroup dialog window!!");
/* Say where our help comes from */
use_helpfile(systemHelpFile(USER_HELPFILE, help));
/* Setup a nice screen for us to splat stuff onto */
draw_box(ds_win, USER_DIALOG_Y, USER_DIALOG_X, USER_DIALOG_HEIGHT, USER_DIALOG_WIDTH,
dialog_attr, border_attr);
wattrset(ds_win, dialog_attr);
mvwaddstr(ds_win, USER_DIALOG_Y, USER_DIALOG_X + 18, " Users and Group Management ");
draw_box(ds_win, USER_DIALOG_Y + 2, USER_DIALOG_X + 8, USER_DIALOG_HEIGHT - 6,
USER_DIALOG_WIDTH - 17, dialog_attr, border_attr);
wattrset(ds_win, dialog_attr);
mvwaddstr(ds_win, USER_DIALOG_Y + 2, USER_DIALOG_X + 22, " Add a new group ");
CLEAR(gname);
CLEAR(gid);
CLEAR(gmemb);
/* Loop over the layout list, create the objects, and add them
onto the chain of objects that dialog uses for traversal*/
n = 0;
#define lt groupLayout[n]
while (lt.help != NULL) {
switch (lt.type) {
case STRINGOBJ:
lt.obj = NewStringObj(ds_win, lt.prompt, lt.var,
lt.y + USER_DIALOG_Y, lt.x + USER_DIALOG_X,
lt.len, lt.maxlen);
break;
case BUTTONOBJ:
lt.obj = NewButtonObj(ds_win, lt.prompt, lt.var,
lt.y + USER_DIALOG_Y, lt.x + USER_DIALOG_X);
break;
default:
msgFatal("Don't support this object yet!");
}
AddObj(&obj, lt.type, (void *) lt.obj);
n++;
}
max = n - 1;
/* Find the last object we can traverse to */
last = obj;
while (last->next)
last = last->next;
/* Find the first object in the list */
first = obj;
for (first = obj; first->prev; first = first->prev);
/* Some more initialisation before we go into the main input loop */
n = 0;
cancelbutton = okbutton = 0;
/* Incoming user data - DUCK! */
while (!quit) {
char help_line[80];
int i, len = strlen(lt.help);
/* Display the help line at the bottom of the screen */
for (i = 0; i < 79; i++)
help_line[i] = (i < len) ? lt.help[i] : ' ';
help_line[i] = '\0';
use_helpline(help_line);
display_helpline(ds_win, LINES - 1, COLS - 1);
/* Ask for libdialog to do its stuff */
ret = PollObj(&obj);
/* Handle special case stuff that libdialog misses. Sigh */
switch (ret) {
/* Bail out */
case SEL_ESC:
quit = TRUE, cancel=TRUE;
break;
/* This doesn't work for list dialogs. Oh well. Perhaps
should special case the move from the OK button ``up''
to make it go to the interface list, but then it gets
awkward for the user to go back and correct screw up's
in the per-interface section */
case KEY_DOWN:
case SEL_TAB:
case SEL_CR:
if (firsttime && n == LAYOUT_GNAME)
{
/* fill in the blanks, well, just the GID */
completeGroup();
RefreshStringObj(groupLayout[LAYOUT_GID].obj);
firsttime = FALSE;
}
if (n < max)
++n;
else
n = 0;
break;
/* The user has pressed enter over a button object */
case SEL_BUTTON:
if (cancelbutton)
cancel = TRUE, quit = TRUE;
else {
if (verifyGroupSettings())
quit = TRUE;
}
break;
case KEY_UP:
case SEL_BACKTAB:
if (n)
--n;
else
n = max;
break;
case KEY_F(1):
display_helpfile();
/* They tried some key combination we don't support - tell them! */
default:
beep();
}
}
#undef lt
/* Clear this crap off the screen */
dialog_clear_norefresh();
use_helpfile(NULL);
if (!cancel) {
addGroup(ds_win);
restorescr(save);
return DITEM_SUCCESS;
}
restorescr(save);
return DITEM_FAILURE;
}
/* Check for the settings on the screen. */
static int
verifyUserSettings(WINDOW *ds_win)
{
char tmp[256], *cp;
long luid;
WINDOW *save;
int rv;
if (strlen(uname) == 0) {
feepout("The user name field must not be empty!");
return 0;
}
snprintf(tmp, 256, "pw user show -q -n %s > /dev/null", uname);
if (vsystem(tmp) == 0) {
feepout("This user name is already in use.");
return 0;
}
if (strlen(uid) > 0) {
luid = strtol(uid, &cp, 10);
if (luid < 0 || luid >= 65536 || (*cp != '\0' && !isspace(*cp))) {
feepout("The UID must be a number between 1 and 65535.");
return 0;
}
}
if (strlen(shell) > 0) {
while((cp = getusershell()) != NULL)
if (strcmp(cp, shell) == 0)
break;
endusershell();
if (cp == NULL) {
save = savescr();
rv = msgYesNo("Warning:\n\n"
"The requested shell \"%s\" is not\n"
"a valid user shell.\n\n"
"Use it anyway?\n", shell);
restorescr(save);
wrefresh(ds_win);
if (rv != DITEM_SUCCESS)
return 0;
}
}
if (strlen(umemb) > 0) {
if (strpbrk(umemb, " \t") != NULL) {
feepout("The member groups list must not contain any whitespace;\n"
"use commas to separate the names.");
return 0;
}
}
return 1;
}
/*
* Ask pw(8) to fill in the blanks for us.
* Works solely on the global variables.
*/
static void
completeUser(void)
{
int pfd[2], i;
char tmp[256], *cp, *cp2;
ssize_t l;
size_t amnt;
pid_t pid;
char *vec[7] =
{
"pw", "user", "add", "-N", "-n", 0, 0
};
#define VEC_UNAME 5
pipe (pfd);
if ((pid = fork()) == 0)
{
/* The kiddy. */
dup2(pfd[1], 1);
dup2(pfd[1], 2);
for (i = getdtablesize(); i > 2; i--)
close(i);
vec[VEC_UNAME] = uname;
chroot(variable_get(VAR_INSTALL_ROOT));
execv("/usr/sbin/pw", vec);
msgDebug("Cannot execv() /usr/sbin/pw.\n");
_exit(99);
}
else
{
/* The oldie. */
close(pfd[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) || WEXITSTATUS(i) != 0)
/* ignore by now */
return;
if ((cp = strchr(tmp, '\n')) != NULL)
*cp = '\0';
if ((cp = strchr(tmp, ':')) == NULL || (cp = strchr(++cp, ':')) == NULL)
return;
cp++;
if ((cp2 = strchr(cp, ':')) == NULL)
return;
*cp2++ = '\0';
strncpy(uid, cp, sizeof uid);
cp = cp2;
if ((cp2 = strchr(cp, ':')) == NULL)
return;
*cp2++ = '\0';
#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';
strncpy(homedir, cp, sizeof homedir);
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;
chroot(variable_get(VAR_INSTALL_ROOT));
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;
ComposeObj *first, *last;
int n=0, quit=FALSE, cancel=FALSE, ret;
int max, firsttime=TRUE;
char help[FILENAME_MAX];
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 */
ds_win = newwin(LINES, COLS, 0, 0);
if (ds_win == 0)
msgFatal("Cannot open AddUser dialog window!!");
/* Say where our help comes from */
use_helpfile(systemHelpFile(USER_HELPFILE, help));
/* Setup a nice screen for us to splat stuff onto */
draw_box(ds_win, USER_DIALOG_Y, USER_DIALOG_X, USER_DIALOG_HEIGHT, USER_DIALOG_WIDTH,
dialog_attr, border_attr);
wattrset(ds_win, dialog_attr);
mvwaddstr(ds_win, USER_DIALOG_Y, USER_DIALOG_X + 18, " Users and Group Management ");
draw_box(ds_win, USER_DIALOG_Y + 1, USER_DIALOG_X + 3, USER_DIALOG_HEIGHT - 5,
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);
/* Loop over the layout list, create the objects, and add them
onto the chain of objects that dialog uses for traversal*/
n = 0;
#define lt userLayout[n]
while (lt.help != NULL) {
if (n == LAYOUT_PASSWD)
DialogInputAttrs = DITEM_NO_ECHO; /* This will affect the new string object if set */
switch (lt.type) {
case STRINGOBJ:
lt.obj = NewStringObj(ds_win, lt.prompt, lt.var,
lt.y + USER_DIALOG_Y, lt.x + USER_DIALOG_X,
lt.len, lt.maxlen);
break;
case BUTTONOBJ:
lt.obj = NewButtonObj(ds_win, lt.prompt, lt.var,
lt.y + USER_DIALOG_Y, lt.x + USER_DIALOG_X);
break;
default:
msgFatal("Don't support this object yet!");
}
AddObj(&obj, lt.type, (void *) lt.obj);
DialogInputAttrs = 0;
n++;
}
max = n - 1;
/* Find the last object we can traverse to */
last = obj;
while (last->next)
last = last->next;
/* Find the first object in the list */
first = obj;
for (first = obj; first->prev; first = first->prev);
/* Some more initialisation before we go into the main input loop */
n = 0;
cancelbutton = okbutton = 0;
/* Incoming user data - DUCK! */
while (!quit) {
char help_line[80];
int i, len = strlen(lt.help);
/* Display the help line at the bottom of the screen */
for (i = 0; i < 79; i++)
help_line[i] = (i < len) ? lt.help[i] : ' ';
help_line[i] = '\0';
use_helpline(help_line);
display_helpline(ds_win, LINES - 1, COLS - 1);
/* Ask for libdialog to do its stuff */
ret = PollObj(&obj);
/* Handle special case stuff that libdialog misses. Sigh */
switch (ret) {
/* Bail out */
case SEL_ESC:
quit = TRUE, cancel=TRUE;
break;
/* This doesn't work for list dialogs. Oh well. Perhaps
should special case the move from the OK button ``up''
to make it go to the interface list, but then it gets
awkward for the user to go back and correct screw up's
in the per-interface section */
case KEY_DOWN:
case SEL_TAB:
case SEL_CR:
if (firsttime && n == LAYOUT_UNAME)
{
/* 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;
}
if (n < max)
++n;
else
n = 0;
break;
/* The user has pressed enter over a button object */
case SEL_BUTTON:
if (cancelbutton)
cancel = TRUE, quit = TRUE;
else {
if (verifyUserSettings(ds_win))
quit = TRUE;
}
break;
case KEY_UP:
case SEL_BACKTAB:
if (n)
--n;
else
n = max;
break;
case KEY_F(1):
display_helpfile();
/* They tried some key combination we don't support - tell them! */
default:
beep();
}
}
#undef lt
/* Clear this crap off the screen */
dialog_clear_norefresh();
use_helpfile(NULL);
if (!cancel) {
addUser(ds_win);
restorescr(save);
return DITEM_SUCCESS;
}
restorescr(save);
return DITEM_FAILURE;
}