diff options
Diffstat (limited to 'usr.sbin/sysinstall/misc.c')
-rw-r--r-- | usr.sbin/sysinstall/misc.c | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/usr.sbin/sysinstall/misc.c b/usr.sbin/sysinstall/misc.c deleted file mode 100644 index ed4fa2d..0000000 --- a/usr.sbin/sysinstall/misc.c +++ /dev/null @@ -1,553 +0,0 @@ -/* - * Miscellaneous support routines.. - * - * $FreeBSD$ - * - * Copyright (c) 1995 - * Jordan Hubbard. 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 JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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 "sysinstall.h" -#include <ctype.h> -#include <unistd.h> -#include <sys/stat.h> -#include <sys/errno.h> -#include <sys/file.h> -#include <sys/types.h> -#include <dirent.h> -#include <sys/wait.h> -#include <sys/param.h> -#include <sys/mount.h> -#include <ufs/ufs/ufsmount.h> -#include <sys/reboot.h> -#include <sys/disklabel.h> -#include <fs/msdosfs/msdosfsmount.h> -#include <sys/sysctl.h> - -/* Quick check to see if a file is readable */ -Boolean -file_readable(char *fname) -{ - if (!access(fname, F_OK)) - return TRUE; - return FALSE; -} - -/* Quick check to see if a file is executable */ -Boolean -file_executable(char *fname) -{ - if (!access(fname, X_OK)) - return TRUE; - return FALSE; -} - -/* Concatenate two strings into static storage */ -char * -string_concat(char *one, char *two) -{ - static char tmp[FILENAME_MAX]; - - /* Yes, we're deliberately cavalier about not checking for overflow */ - strcpy(tmp, one); - strcat(tmp, two); - return tmp; -} - -/* sane strncpy() function */ -char * -sstrncpy(char *dst, const char *src, int size) -{ - dst[size] = '\0'; - return strncpy(dst, src, size); -} - -/* Concatenate three strings into static storage */ -char * -string_concat3(char *one, char *two, char *three) -{ - static char tmp[FILENAME_MAX]; - - /* Yes, we're deliberately cavalier about not checking for overflow */ - strcpy(tmp, one); - strcat(tmp, two); - strcat(tmp, three); - return tmp; -} - -/* Clip the whitespace off the end of a string */ -char * -string_prune(char *str) -{ - int len = str ? strlen(str) : 0; - - while (len && isspace(str[len - 1])) - str[--len] = '\0'; - return str; -} - -/* run the whitespace off the front of a string */ -char * -string_skipwhite(char *str) -{ - while (*str && isspace(*str)) - ++str; - return str; -} - -/* copy optionally and allow second arg to be null */ -char * -string_copy(char *s1, char *s2) -{ - if (!s1) - return NULL; - if (!s2) - s1[0] = '\0'; - else - strcpy(s1, s2); - return s1; -} - -/* convert an integer to a string, using a static buffer */ -char * -itoa(int value) -{ - static char buf[13]; - - snprintf(buf, 12, "%d", value); - return buf; -} - -Boolean -directory_exists(const char *dirname) -{ - DIR *tptr; - - if (!dirname) - return FALSE; - if (!strlen(dirname)) - return FALSE; - - tptr = opendir(dirname); - if (!tptr) - return (FALSE); - - closedir(tptr); - return (TRUE); -} - -char * -pathBaseName(const char *path) -{ - char *pt; - char *ret = (char *)path; - - pt = strrchr(path,(int)'/'); - - if (pt != 0) /* if there is a slash */ - { - ret = ++pt; /* start the file after it */ - } - - return(ret); -} - -/* A free guaranteed to take NULL ptrs */ -void -safe_free(void *ptr) -{ - if (ptr) - free(ptr); -} - -/* A malloc that checks errors */ -void * -safe_malloc(size_t size) -{ - void *ptr; - - if (size <= 0) - msgFatal("Invalid malloc size of %ld!", (long)size); - ptr = malloc(size); - if (!ptr) - msgFatal("Out of memory!"); - bzero(ptr, size); - return ptr; -} - -/* A realloc that checks errors */ -void * -safe_realloc(void *orig, size_t size) -{ - void *ptr; - - if (size <= 0) - msgFatal("Invalid realloc size of %ld!", (long)size); - ptr = reallocf(orig, size); - if (!ptr) - msgFatal("Out of memory!"); - return ptr; -} - -/* Create a path biased from the VAR_INSTALL_ROOT variable (if not /) */ -char * -root_bias(char *path) -{ - static char tmp[FILENAME_MAX]; - char *cp = variable_get(VAR_INSTALL_ROOT); - - if (!strcmp(cp, "/")) - return path; - strcpy(tmp, variable_get(VAR_INSTALL_ROOT)); - strcat(tmp, path); - return tmp; -} - -/* - * These next routines are kind of specialized just for building item lists - * for dialog_menu(). - */ - -/* Add an item to an item list */ -dialogMenuItem * -item_add(dialogMenuItem *list, char *prompt, char *title, - int (*checked)(dialogMenuItem *self), - int (*fire)(dialogMenuItem *self), - void (*selected)(dialogMenuItem *self, int is_selected), - void *data, void *aux, int *curr, int *max) -{ - dialogMenuItem *d; - - if (*curr == *max) { - *max += 20; - list = (dialogMenuItem *)safe_realloc(list, sizeof(dialogMenuItem) * *max); - } - d = &list[(*curr)++]; - bzero(d, sizeof(*d)); - d->prompt = prompt ? strdup(prompt) : NULL; - d->title = title ? strdup(title) : NULL; - d->checked = checked; - d->fire = fire; - d->selected = selected; - d->data = data; - d->aux = (long)aux; - return list; -} - -/* Toss the items out */ -void -items_free(dialogMenuItem *list, int *curr, int *max) -{ - int i; - - for (i = 0; list[i].prompt; i++) { - safe_free(list[i].prompt); - safe_free(list[i].title); - } - safe_free(list); - *curr = *max = 0; -} - -int -Mkdir(char *ipath) -{ - struct stat sb; - int final; - char *p, *path; - - if (file_readable(ipath) || Fake) - return DITEM_SUCCESS; - - path = strcpy(alloca(strlen(ipath) + 1), ipath); - if (isDebug()) - msgDebug("mkdir(%s)\n", path); - p = path; - if (p[0] == '/') /* Skip leading '/'. */ - ++p; - for (final = FALSE; !final; ++p) { - if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0')) - final = TRUE; - else if (p[0] != '/') - continue; - *p = '\0'; - if (stat(path, &sb)) { - if (errno != ENOENT) { - msgConfirm("Couldn't stat directory %s: %s", path, strerror(errno)); - return DITEM_FAILURE; - } - if (isDebug()) - msgDebug("mkdir(%s..)\n", path); - if (mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0) { - msgConfirm("Couldn't create directory %s: %s", path,strerror(errno)); - return DITEM_FAILURE; - } - } - *p = '/'; - } - return DITEM_SUCCESS; -} - -int -Mkdir_command(char *key, void *dir) -{ - return (Mkdir((char*)dir)); -} - -int -Mount(char *mountp, void *dev) -{ - struct ufs_args ufsargs; - char device[80]; - char mountpoint[FILENAME_MAX]; - - if (Fake) - return DITEM_SUCCESS; - - if (*((char *)dev) != '/') { - sprintf(device, "%s/dev/%s", RunningAsInit ? "/mnt" : "", (char *)dev); - sprintf(mountpoint, "%s%s", RunningAsInit ? "/mnt" : "", mountp); - } - else { - strcpy(device, dev); - strcpy(mountpoint, mountp); - } - memset(&ufsargs,0,sizeof ufsargs); - - if (Mkdir(mountpoint)) { - msgConfirm("Unable to make directory mountpoint for %s!", mountpoint); - return DITEM_FAILURE; - } - if (isDebug()) - msgDebug("mount %s %s\n", device, mountpoint); - - ufsargs.fspec = device; - if (mount("ufs", mountpoint, RunningAsInit ? MNT_ASYNC | MNT_NOATIME : 0, - (caddr_t)&ufsargs) == -1) { - msgConfirm("Error mounting %s on %s : %s", device, mountpoint, strerror(errno)); - return DITEM_FAILURE; - } - return DITEM_SUCCESS; -} - -int -Mount_msdosfs(char *mountp, void *dev) -{ - struct msdosfs_args mount_args; - char device[80]; - char mountpoint[FILENAME_MAX]; - - if (Fake) - return DITEM_SUCCESS; - - if (*((char *)dev) != '/') { - sprintf(device, "%s/dev/%s", RunningAsInit ? "/mnt" : "", (char *)dev); - sprintf(mountpoint, "%s%s", RunningAsInit ? "/mnt" : "", mountp); - } - else { - strcpy(device, dev); - strcpy(mountpoint, mountp); - } - - if (Mkdir(mountpoint)) { - msgConfirm("Unable to make directory mountpoint for %s!", mountpoint); - return DITEM_FAILURE; - } - if (isDebug()) - msgDebug("mount %s %s\n", device, mountpoint); - - memset(&mount_args, 0, sizeof(mount_args)); - mount_args.fspec = device; - mount_args.magic = MSDOSFS_ARGSMAGIC; - mount_args.mask = S_IRWXU | S_IRWXG | S_IRWXO; - if (mount("msdosfs", mountpoint, RunningAsInit ? MNT_ASYNC|MNT_NOATIME : 0, - (caddr_t)&mount_args) == -1) { - msgConfirm("Error mounting %s on %s : %s", device, mountpoint, strerror(errno)); - return DITEM_FAILURE; - } - return DITEM_SUCCESS; -} - -WINDOW * -openLayoutDialog(char *helpfile, char *title, int x, int y, int width, int height) -{ - WINDOW *win; - static char help[FILENAME_MAX]; - - /* We need a curses window */ - win = newwin(LINES, COLS, 0, 0); - if (win) { - /* Say where our help comes from */ - if (helpfile) { - use_helpline("Press F1 for more information on this screen."); - use_helpfile(systemHelpFile(helpfile, help)); - } - /* Setup a nice screen for us to splat stuff onto */ - draw_box(win, y, x, height, width, dialog_attr, border_attr); - wattrset(win, dialog_attr); - mvwaddstr(win, y, x + (COLS - strlen(title)) / 2, title); - } - return win; -} - -ComposeObj * -initLayoutDialog(WINDOW *win, Layout *layout, int x, int y, int *max) -{ - ComposeObj *obj = NULL, *first; - int n; - - /* Loop over the layout list, create the objects, and add them - onto the chain of objects that dialog uses for traversal*/ - - n = 0; - while (layout[n].help != NULL) { - int t = TYPE_OF_OBJ(layout[n].type); - - switch (t) { - case STRINGOBJ: - layout[n].obj = NewStringObj(win, layout[n].prompt, layout[n].var, - layout[n].y + y, layout[n].x + x, layout[n].len, layout[n].maxlen); - ((StringObj *)layout[n].obj)->attr_mask = ATTR_OF_OBJ(layout[n].type); - break; - - case BUTTONOBJ: - layout[n].obj = NewButtonObj(win, layout[n].prompt, layout[n].var, layout[n].y + y, layout[n].x + x); - break; - - default: - msgFatal("Don't support this object yet!"); - } - AddObj(&obj, t, (void *) layout[n].obj); - n++; - } - *max = n - 1; - /* Find the first object in the list */ - for (first = obj; first->prev; first = first->prev); - return first; -} - -int -layoutDialogLoop(WINDOW *win, Layout *layout, ComposeObj **obj, int *n, int max, int *cbutton, int *cancel) -{ - char help_line[80]; - int ret, i, len = strlen(layout[*n].help); - - /* Display the help line at the bottom of the screen */ - for (i = 0; i < 79; i++) - help_line[i] = (i < len) ? layout[*n].help[i] : ' '; - help_line[i] = '\0'; - use_helpline(help_line); - display_helpline(win, LINES - 1, COLS - 1); - wrefresh(win); - - /* Ask for libdialog to do its stuff */ - ret = PollObj(obj); - /* Handle special case stuff that libdialog misses. Sigh */ - switch (ret) { - case SEL_ESC: /* Bail out */ - *cancel = TRUE; - return FALSE; - - /* 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_CR: - case SEL_TAB: - if (*n < max) - ++*n; - else - *n = 0; - break; - - /* The user has pressed enter over a button object */ - case SEL_BUTTON: - if (cbutton && *cbutton) - *cancel = TRUE; - else - *cancel = FALSE; - return FALSE; - - 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 - tootle them forcefully! */ - default: - beep(); - } - return TRUE; -} - -WINDOW * -savescr(void) -{ - WINDOW *w; - - w = dupwin(newscr); - return w; -} - -void -restorescr(WINDOW *w) -{ - touchwin(w); - wrefresh(w); - delwin(w); -} - -/* - * Get a sysctl variable as a string or "<unknown>" if sysctl fails. - * Caller must free returned string. - */ -char * -getsysctlbyname(const char *sysctlname) -{ - char *buf; - size_t sz, buf_sz = 0; - const char unk_str[] = "<unknown>"; - - sysctlbyname(sysctlname, NULL, &buf_sz, NULL, 0); - buf_sz = MAX(sizeof(unk_str), buf_sz) + 1; - sz = buf_sz - 1; - buf = (char *)safe_malloc(buf_sz); - - if (sysctlbyname(sysctlname, buf, &sz, NULL, 0) != -1) - buf[sz] = '\0'; - else - strlcpy(buf, unk_str, buf_sz); - - return buf; -} |