summaryrefslogtreecommitdiffstats
path: root/usr.sbin/sysinstall/user.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/sysinstall/user.c')
-rw-r--r--usr.sbin/sysinstall/user.c750
1 files changed, 750 insertions, 0 deletions
diff --git a/usr.sbin/sysinstall/user.c b/usr.sbin/sysinstall/user.c
new file mode 100644
index 0000000..e87ac7c
--- /dev/null
+++ b/usr.sbin/sysinstall/user.c
@@ -0,0 +1,750 @@
+/*
+ * $Id$
+ *
+ * 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 <sys/param.h>
+#include <string.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 UNAME_FIELD_LEN 32
+#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
+
+/* 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[UNAME_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[] = {
+{ 4, 10, 20, GNAME_FIELD_LEN - 1,
+ "Group name:", "The alphanumeric name of the new group (mandatory)",
+ gname, STRINGOBJ, NULL },
+#define LAYOUT_GNAME 0
+{ 4, 38, 10, GID_FIELD_LEN - 1,
+ "GID:", "The numerical ID for this group (leave blank for automatic choice)",
+ gid, STRINGOBJ, NULL },
+#define LAYOUT_GID 1
+{ 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_GMEMB 2
+{ 18, 15, 0, 0,
+ "OK", "Select this if you are happy with these settings",
+ &okbutton, BUTTONOBJ, NULL },
+#define LAYOUT_OKBUTTON 3
+{ 18, 35, 0, 0,
+ "CANCEL", "Select this if you wish to cancel this screen",
+ &cancelbutton, BUTTONOBJ, NULL },
+#define LAYOUT_CANCELBUTTON 4
+
+{ NULL },
+};
+
+/* The user configuration menu. */
+static Layout userLayout[] = {
+{ 3, 6, 20, UNAME_FIELD_LEN - 1,
+ "Login ID:", "The login name of the new user (mandatory)",
+ uname, STRINGOBJ, NULL },
+#define LAYOUT_UNAME 0
+{ 3, 29, 10, UID_FIELD_LEN - 1,
+ "UID:", "The numerical ID for this user (leave blank for automatic choice)",
+ uid, STRINGOBJ, NULL },
+#define LAYOUT_UID 1
+{ 3, 43, 15, UGROUP_FIELD_LEN - 1,
+ "Group:", "The login group name for this user (mandatory)",
+ ugroup, STRINGOBJ, NULL },
+#define LAYOUT_UGROUP 2
+{ 8, 6, 33, GECOS_FIELD_LEN - 1,
+ "Full name:", "The user's full name (comment)",
+ gecos, STRINGOBJ, NULL },
+#define LAYOUT_GECOS 3
+{ 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_UMEMB 4
+{ 13, 6, 20, HOMEDIR_FIELD_LEN - 1,
+ "Home directory:", "The user's home directory (leave blank for default)",
+ homedir, STRINGOBJ, NULL },
+#define LAYOUT_HOMEDIR 5
+{ 13, 29, 29, SHELL_FIELD_LEN - 1,
+ "Login shell:", "The user's login shell (leave blank for default)",
+ shell, STRINGOBJ, NULL },
+#define LAYOUT_SHELL 6
+{ 18, 15, 0, 0,
+ "OK", "Select this if you are happy with these settings",
+ &okbutton, BUTTONOBJ, NULL },
+#define LAYOUT_U_OKBUTTON 7
+{ 18, 35, 0, 0,
+ "CANCEL", "Select this if you wish to cancel this screen",
+ &cancelbutton, BUTTONOBJ, NULL },
+#define LAYOUT_U_CANCELBUTTON 8
+
+{ 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, this feature is currently not yet implemented.\n");
+ return 0;
+#endif
+ }
+
+ return 1;
+}
+
+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]);
+ }
+ }
+}
+
+int
+userAddGroup(dialogMenuItem *self)
+{
+ WINDOW *ds_win, *save;
+ ComposeObj *obj = NULL;
+ ComposeObj *first, *last;
+ int n=0, quit=FALSE, cancel=FALSE, ret;
+ int max;
+ 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 (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", gname);
+ 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(ugroup) == 0) {
+ feepout("The login group field must not be empty!");
+ return 0;
+ }
+ snprintf(tmp, 256, "pw group show -q -n %s > /dev/null", ugroup);
+ if (vsystem(tmp) != 0) {
+ feepout("This group name does not yet exist.");
+ 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;
+}
+
+static void
+addUser(WINDOW *ds_win)
+{
+ char tmp[256];
+ int pfd[2], i;
+ 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
+ */
+ char *vec[18] =
+ {
+ "pw", "user", "add", "-m", "-n", /* ... */
+ };
+#define VEC_UNAME 5
+
+ msgNotify("Adding user \"%s\"...", uname);
+
+ 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[i = VEC_UNAME] = uname;
+ i++;
+ vec[i++] = "-g";
+ vec[i++] = ugroup;
+#define ADDVEC(var, option) do { if (strlen(var) > 0) { vec[i++] = option; vec[i++] = var; } } while (0)
+ ADDVEC(uid, "-u");
+ ADDVEC(gecos, "-c");
+ ADDVEC(homedir, "-h");
+ ADDVEC(shell, "-s");
+ ADDVEC(umemb, "-G");
+ 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]);
+ 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]);
+ }
+ else
+ 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);
+ }
+}
+
+int
+userAddUser(dialogMenuItem *self)
+{
+ WINDOW *ds_win, *save;
+ ComposeObj *obj = NULL;
+ ComposeObj *first, *last;
+ int n=0, quit=FALSE, cancel=FALSE, ret;
+ int max;
+ 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(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) {
+ 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 (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;
+}
+
OpenPOWER on IntegriCloud