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/*
* Mini remove_initd implementation for busybox.
*
* Copyright (C) 2005 by David Seikel won_fang@yahoo.com.au
*
* Clean room implementation of LSB init.d specs.
* I didn't steal any of this, honest B-).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
*/
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#include "lib_init_d.h"
int remove_initd_main(int argc, char **argv)
{
int result = EXIT_FAILURE;
argv += optind;
if (!*argv)
bb_show_usage();
else {
int in_init = 0;
llist_t *current = NULL;
llist_t *previous = NULL;
llist_t *unsorted = get_scripts();
init_d_info_t *info = NULL;
char *info_text = NULL;
char *pathname = NULL;
RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
bb_xasprintf(&pathname, "%s", *argv);
if ((*argv)[0] != '/') {
char *cwd = xgetcwd(NULL);
if (cwd) {
free(pathname);
bb_xasprintf(&pathname, "%s/%s", cwd, *argv);
}
}
if (realpath(pathname, resolved_path) != NULL) {
if (strncmp("/etc/init.d/", resolved_path, 12) == 0)
in_init = 1;
} else {
bb_perror_msg("%s", pathname);
}
info_text = get_init_info(pathname);
info = parse_init_info(info_text, bb_get_last_path_component(pathname));
current = unsorted;
while (current) {
init_d_info_t *this_one = (init_d_info_t *) current->data;
if (strcmp(this_one->path, info->path) == 0) {
current = llist_delete(&unsorted, previous, current);
break;
}
previous = current;
current = current->link;
}
sort_scripts(unsorted, NULL);
result = EXIT_SUCCESS;
current = unsorted;
while (current) {
int k;
init_d_info_t *this_one = (init_d_info_t *) current->data;
if (this_one) {
for (k = 0; k < info->sizes[0]; k++) {
int i;
for (i = 0; i < this_one->sizes[1]; i++) {
if (strcmp(this_one->reqstart[i], info->provides[k]) == 0) {
result = EXIT_FAILURE;
bb_error_msg("%s is required by %s.", pathname, this_one->path);
break;
}
}
if (result == EXIT_FAILURE)
break;
}
}
current = current->link;
}
/* This is not LSB compliant, the LSB package manager is supposed to remove it, but...
* We may have created it, so we should remove it.
* LSB says that init.d scripts are "configuration files", I disagree, they are executables.
* LSB further says that config files are left behind after package removal. This is a
* contradiction with "package manager is supposed to remove it".
*
* Safest thing to do is zap it.
*/
if ((in_init) && (result == EXIT_SUCCESS)) {
free(info_text);
bb_xasprintf(&info_text, "/etc/init.d/%s", bb_get_last_path_component(pathname));
remove_file(info_text, FILEUTILS_FORCE);
}
if (result == EXIT_FAILURE)
bb_error_msg("Unable to remove the %s init.d script.", pathname);
#ifdef CONFIG_FEATURE_CLEAN_UP
RELEASE_CONFIG_BUFFER(resolved_path);
#endif
free(info);
free(pathname);
free(info_text);
}
return result;
}
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