emo/xbps
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Initial import of xbps with code as August '09.

Browse Source 
--HG--
extra : convert_revision : juan%40xbps-20090817170720-amxxac4a2e8bza1j
This commit is contained in:
juan
2009-08-17 19:07:20 +02:00
commit 3f3b6d00dd
52 changed files with 8657 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

288
lib/remove.c Normal file
View File

@ -0,0 +1,288 @@
/*-
* Copyright (c) 2009 Juan Romero Pardines.
* 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 ``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 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.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <dirent.h>
#include <xbps_api.h>
static int remove_pkg_files(prop_dictionary_t);
static int
remove_pkg_files(prop_dictionary_t dict)
{
prop_array_t array;
prop_object_iterator_t iter;
prop_object_t obj;
prop_bool_t bobj;
const char *file, *rootdir, *sha256;
char *path = NULL;
int flags = 0, rv = 0;
rootdir = xbps_get_rootdir();
flags = xbps_get_flags();
/* Links */
array = prop_dictionary_get(dict, "links");
if (array == NULL || prop_array_count(array) == 0)
goto files;
iter = xbps_get_array_iter_from_dict(dict, "links");
if (iter == NULL)
return EINVAL;
while ((obj = prop_object_iterator_next(iter))) {
if (!prop_dictionary_get_cstring_nocopy(obj, "file", &file)) {
prop_object_iterator_release(iter);
return EINVAL;
}
path = xbps_xasprintf("%s/%s", rootdir, file);
if (path == NULL) {
prop_object_iterator_release(iter);
return EINVAL;
}
if ((rv = remove(path)) == -1) {
if (flags & XBPS_FLAG_VERBOSE)
printf("WARNING: can't remove link %s (%s)\n",
file, strerror(errno));
free(path);
continue;
}
if (flags & XBPS_FLAG_VERBOSE)
printf("Removed link: %s\n", file);
free(path);
}
prop_object_iterator_release(iter);
path = NULL;
files:
/* Regular files */
array = prop_dictionary_get(dict, "files");
if (array == NULL || prop_array_count(array) == 0)
goto dirs;
iter = xbps_get_array_iter_from_dict(dict, "files");
if (iter == NULL)
return EINVAL;
while ((obj = prop_object_iterator_next(iter))) {
if (!prop_dictionary_get_cstring_nocopy(obj, "file", &file)) {
prop_object_iterator_release(iter);
return EINVAL;
}
path = xbps_xasprintf("%s/%s", rootdir, file);
if (path == NULL) {
prop_object_iterator_release(iter);
return EINVAL;
}
prop_dictionary_get_cstring_nocopy(obj, "sha256", &sha256);
rv = xbps_check_file_hash(path, sha256);
if (rv == ENOENT) {
printf("WARNING: '%s' doesn't exist!\n", file);
free(path);
continue;
} else if (rv == ERANGE) {
if (flags & XBPS_FLAG_VERBOSE)
printf("WARNING: SHA256 doesn't match "
"for file %s, ignoring...\n", file);
free(path);
continue;
} else if (rv != 0 && rv != ERANGE) {
free(path);
prop_object_iterator_release(iter);
return rv;
}
if ((rv = remove(path)) == -1) {
if (flags & XBPS_FLAG_VERBOSE)
printf("WARNING: can't remove file %s (%s)\n",
file, strerror(errno));
free(path);
continue;
}
if (flags & XBPS_FLAG_VERBOSE)
printf("Removed file: %s\n", file);
free(path);
}
prop_object_iterator_release(iter);
path = NULL;
dirs:
/* Directories */
array = prop_dictionary_get(dict, "dirs");
if (array == NULL || prop_array_count(array) == 0)
return 0;
iter = xbps_get_array_iter_from_dict(dict, "dirs");
if (iter == NULL)
return EINVAL;
while ((obj = prop_object_iterator_next(iter))) {
if ((bobj = prop_dictionary_get(obj, "keep")) != NULL) {
/* Skip permanent directory. */
continue;
}
if (!prop_dictionary_get_cstring_nocopy(obj, "file", &file)) {
prop_object_iterator_release(iter);
return EINVAL;
}
path = xbps_xasprintf("%s/%s", rootdir, file);
if (path == NULL) {
prop_object_iterator_release(iter);
return EINVAL;
}
if ((rv = rmdir(path)) == -1) {
if (errno == ENOTEMPTY) {
free(path);
continue;
}
if (flags & XBPS_FLAG_VERBOSE) {
printf("WARNING: can't remove "
"directory %s (%s)\n", file,
strerror(errno));
free(path);
continue;
}
}
if (flags & XBPS_FLAG_VERBOSE)
printf("Removed directory: %s\n", file);
free(path);
}
prop_object_iterator_release(iter);
return 0;
}
int
xbps_remove_pkg(const char *pkgname, const char *version, bool update)
{
prop_dictionary_t dict;
const char *rootdir = xbps_get_rootdir();
char *path, *buf;
int rv = 0;
bool prepostf = false;
assert(pkgname != NULL);
assert(version != NULL);
/*
* Check if pkg is installed before anything else.
*/
if (xbps_check_is_installed_pkgname(pkgname) == false)
return ENOENT;
if (strcmp(rootdir, "") == 0)
rootdir = "/";
if (chdir(rootdir) == -1)
return errno;
buf = xbps_xasprintf(".%s/metadata/%s/REMOVE",
XBPS_META_PATH, pkgname);
if (buf == NULL)
return errno;
/*
* Find out if the REMOVE file exists.
*/
if (access(buf, R_OK) == 0) {
/*
* Run the pre remove action.
*/
prepostf = true;
rv = xbps_file_chdir_exec(rootdir, buf, "pre", pkgname,
version, NULL);
if (rv != 0) {
printf("%s: prerm action target error (%s)\n", pkgname,
strerror(errno));
free(buf);
return rv;
}
}
/*
* Iterate over the pkg file list dictionary and remove all
* files, configuration files, links and dirs.
*/
path = xbps_xasprintf("%s/%s/metadata/%s/%s",
rootdir, XBPS_META_PATH, pkgname, XBPS_PKGFILES);
if (path == NULL) {
free(buf);
return errno;
}
dict = prop_dictionary_internalize_from_file(path);
if (dict == NULL) {
free(buf);
free(path);
return errno;
}
free(path);
rv = remove_pkg_files(dict);
if (rv != 0) {
free(buf);
prop_object_release(dict);
return rv;
}
prop_object_release(dict);
/*
* Run the post remove action if REMOVE file is there
* and we aren't updating a package.
*/
if (update == false && prepostf) {
if ((rv = xbps_file_chdir_exec(rootdir, buf, "post",
pkgname, version, NULL)) != 0) {
printf("%s: postrm action target error (%s)\n",
pkgname, strerror(errno));
free(buf);
return rv;
}
}
free(buf);
/*
* Update the requiredby array of all required dependencies.
*/
if ((rv = xbps_requiredby_pkg_remove(pkgname)) != 0)
return rv;
/*
* Set package state to "config-files".
*/
rv = xbps_set_pkg_state_installed(pkgname,
XBPS_PKG_STATE_CONFIG_FILES);
return rv;
}