freebsd-dev/usr.sbin/sysinstall/modules.c
John Baldwin 30c00e6c41 Backout revision 1.2 since it didn't work and replace it with a fix that
actually does work.  Ignore errors from kldload(2) if the errno value is
EEXIST.  It would help if this return value were documented in the
kldload(2) manual page.
2002-06-03 22:36:52 +00:00

206 lines
5.3 KiB
C

/*-
* Copyright (c) 2000 "HOSOKAWA, Tatsumi" <hosokawa@FreeBSD.org>
* 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.
* 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 AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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, 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.
*
* $FreeBSD$
*/
#include "sysinstall.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/linker.h>
#include <fcntl.h>
#include <dirent.h>
#include <fcntl.h>
#include <fnmatch.h>
/* Prototypes */
static int kldModuleFire(dialogMenuItem *self);
#define MODULESDIR "/stand/modules"
#define DISTMOUNT "/dist"
void
moduleInitialize(void)
{
int fd, len;
DIR *dirp;
struct dirent *dp;
char module[MAXPATHLEN], desc[MAXPATHLEN];
char desc_str[BUFSIZ];
if (!RunningAsInit && !Fake) {
/* It's not my job... */
return;
}
dirp = opendir(MODULESDIR);
if (dirp) {
while ((dp = readdir(dirp))) {
if (dp->d_namlen < (sizeof(".ko") - 1)) continue;
if (strcmp(dp->d_name + dp->d_namlen - (sizeof(".ko") - 1), ".ko") == 0) {
strcpy(module, MODULESDIR);
strcat(module, "/");
strcat(module, dp->d_name);
strcpy(desc, module);
len = strlen(desc);
strcpy(desc + (len - (sizeof(".ko") - 1)), ".dsc");
fd = open(module, O_RDONLY);
if (fd < 0) continue;
close(fd);
fd = open(desc, O_RDONLY);
if (fd < 0) {
desc_str[0] = 0;
}
else {
len = read(fd, desc_str, BUFSIZ);
close(fd);
if (len < BUFSIZ) desc_str[len] = 0;
}
if (desc_str[0])
msgDebug("Loading module %s (%s)\n", dp->d_name, desc_str);
else
msgDebug("Loading module %s\n", dp->d_name);
if (kldload(module) < 0 && errno != EEXIST) {
if (desc_str[0])
msgConfirm("Loading module %s failed\n%s", dp->d_name, desc_str);
else
msgConfirm("Loading module %s failed", dp->d_name);
}
}
}
closedir(dirp);
}
}
int
kldBrowser(dialogMenuItem *self)
{
DMenu *menu;
int i, what = DITEM_SUCCESS, msize, count;
DIR *dir;
struct dirent *de;
char *err;
err = NULL;
if (DITEM_STATUS(mediaSetFloppy(NULL)) == DITEM_FAILURE) {
msgConfirm("Unable to set media device to floppy.");
what |= DITEM_FAILURE;
mediaClose();
return what;
}
if (!DEVICE_INIT(mediaDevice)) {
msgConfirm("Unable to mount floppy filesystem.");
what |= DITEM_FAILURE;
mediaClose();
return what;
}
msize = sizeof(DMenu) + (sizeof(dialogMenuItem) * 2);
count = 0;
if ((menu = malloc(msize)) == NULL) {
err = "Failed to allocate memory for menu";
goto errout;
}
bcopy(&MenuKLD, menu, sizeof(DMenu));
bzero(&menu->items[count], sizeof(menu->items[0]));
menu->items[count].prompt = strdup("X Exit");
menu->items[count].title = strdup("Exit this menu (returning to previous)");
menu->items[count].fire = dmenuExit;
count++;
if ((dir = opendir(DISTMOUNT)) == NULL) {
err = "Couldn't open directory";
goto errout;
}
while ((de = readdir(dir)) != NULL) {
if (fnmatch("*.ko", de->d_name, FNM_CASEFOLD))
continue;
msize += sizeof(dialogMenuItem);
if ((menu = realloc(menu, msize)) == NULL) {
err = "Failed to allocate memory for menu item";
goto errout;
}
bzero(&menu->items[count], sizeof(menu->items[0]));
menu->items[count].fire = kldModuleFire;
menu->items[count].prompt = strdup(de->d_name);
menu->items[count].title = menu->items[count].prompt;
count++;
}
closedir(dir);
menu->items[count].prompt = NULL;
menu->items[count].title = NULL;
dmenuOpenSimple(menu, FALSE);
mediaClose();
deviceRescan();
errout:
for (i = 0; i < count; i++)
free(menu->items[i].prompt);
free(menu);
if (err != NULL) {
what |= DITEM_FAILURE;
if (!variable_get(VAR_NO_ERROR))
msgConfirm(err);
}
return (what);
}
static int
kldModuleFire(dialogMenuItem *self) {
char fname[256];
bzero(fname, sizeof(fname));
snprintf(fname, sizeof(fname), "%s/%s", DISTMOUNT, self->prompt);
if (kldload(fname) < 0 && errno != EEXIST) {
if (!variable_get(VAR_NO_ERROR))
msgConfirm("Loading module %s failed\n", fname);
} else {
if (!variable_get(VAR_NO_ERROR))
msgConfirm("Loaded module %s OK", fname);
}
return(0);
}