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lib/package_find_obsoletes.c: remove in favor of transaction file checks

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Duncaen
2019-06-18 00:18:47 +02:00
committed by Duncan Overbruck
parent 888289786b
commit 6877d28139
8 changed files with 2 additions and 362 deletions
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2
lib/Makefile
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@@ -31,7 +31,7 @@ EXTOBJS = external/dewey.o external/fexec.o external/mkpath.o
# libxbps
OBJS = package_configure.o package_config_files.o package_orphans.o
OBJS += package_remove.o package_find_obsoletes.o package_state.o
OBJS += package_remove.o package_state.o
OBJS += package_unpack.o package_register.o package_script.o verifysig.o
OBJS += package_msg.o transaction_shlibs.o
OBJS += transaction_commit.o transaction_package_replace.o

198
lib/package_find_obsoletes.c
View File

@@ -1,198 +0,0 @@
/*-
* Copyright (c) 2009-2015 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 <unistd.h>
#include "xbps_api_impl.h"
static xbps_array_t
merge_filelist(xbps_dictionary_t d)
{
xbps_array_t a, result;
xbps_dictionary_t filed;
unsigned int i;
result = xbps_array_create();
assert(result);
if ((a = xbps_dictionary_get(d, "files"))) {
for (i = 0; i < xbps_array_count(a); i++) {
filed = xbps_array_get(a, i);
xbps_array_add(result, filed);
}
}
if ((a = xbps_dictionary_get(d, "links"))) {
for (i = 0; i < xbps_array_count(a); i++) {
filed = xbps_array_get(a, i);
xbps_array_add(result, filed);
}
}
if ((a = xbps_dictionary_get(d, "conf_files"))) {
for (i = 0; i < xbps_array_count(a); i++) {
filed = xbps_array_get(a, i);
xbps_array_add(result, filed);
}
}
if ((a = xbps_dictionary_get(d, "dirs"))) {
for (i = 0; i < xbps_array_count(a); i++) {
filed = xbps_array_get(a, i);
xbps_array_add(result, filed);
}
}
return result;
}
xbps_array_t
xbps_find_pkg_obsoletes(struct xbps_handle *xhp,
xbps_dictionary_t instd,
xbps_dictionary_t newd)
{
xbps_array_t instfiles, newfiles, obsoletes;
/* These are symlinks in Void and must not be removed */
const char *basesymlinks[] = {
"./bin",
"./sbin",
"./usr/sbin",
"./lib",
"./lib32",
"./lib64",
"./usr/lib32",
"./usr/lib64",
"./var/run",
};
int rv = 0;
assert(xbps_object_type(instd) == XBPS_TYPE_DICTIONARY);
assert(xbps_object_type(newd) == XBPS_TYPE_DICTIONARY);
obsoletes = xbps_array_create();
assert(obsoletes);
instfiles = merge_filelist(instd);
if (xbps_array_count(instfiles) == 0) {
/* nothing to check if current pkg does not own any file */
xbps_object_release(instfiles);
return obsoletes;
}
newfiles = merge_filelist(newd);
/*
* Iterate over files list from installed package.
*/
for (unsigned int i = 0; i < xbps_array_count(instfiles); i++) {
xbps_object_t obj, obj2;
xbps_string_t oldstr, newstr;
struct stat st;
uint64_t mtime = 0;
const char *oldhash;
char file[PATH_MAX];
bool found = false;
obj = xbps_array_get(instfiles, i);
if (xbps_object_type(obj) != XBPS_TYPE_DICTIONARY) {
/* ignore unexistent files */
continue;
}
oldstr = xbps_dictionary_get(obj, "file");
if (oldstr == NULL)
continue;
snprintf(file, sizeof(file), ".%s", xbps_string_cstring_nocopy(oldstr));
if (xbps_dictionary_get_cstring_nocopy(obj, "sha256", &oldhash)) {
rv = xbps_file_hash_check(file, oldhash);
if (rv == ENOENT || rv == ERANGE) {
/*
* Skip unexistent and files that do not
* match the hash.
*/
continue;
}
}
/*
* Check if current file is available in new pkg filelist.
*/
for (unsigned int x = 0; x < xbps_array_count(newfiles); x++) {
obj2 = xbps_array_get(newfiles, x);
newstr = xbps_dictionary_get(obj2, "file");
assert(newstr);
/*
* Skip files with same path.
*/
if (xbps_string_equals(oldstr, newstr)) {
found = true;
break;
}
}
if (found) {
continue;
}
/*
* Make sure to not remove any symlink of root directory.
*/
for (uint8_t x = 0; x < __arraycount(basesymlinks); x++) {
if (strcmp(file, basesymlinks[x]) == 0) {
found = true;
xbps_dbg_printf(xhp, "[obsoletes] ignoring "
"%s removal\n", file);
break;
}
}
if (found) {
continue;
}
/*
* Finally check if file mtime on disk matched what
* the installed pkg has stored.
*/
if (xbps_dictionary_get_uint64(obj, "mtime", &mtime)) {
if (lstat(file, &st) == -1) {
xbps_dbg_printf(xhp, "[obsoletes] lstat failed "
"for %s: %s\n", file, strerror(errno));
continue;
}
if (mtime != (uint64_t)st.st_mtime)
continue;
xbps_dbg_printf(xhp,
"[obsoletes] %s: matched mtime, adding obsolete.\n", file);
}
/*
* Obsolete found, add onto the array.
*/
xbps_dbg_printf(xhp, "found obsolete: %s\n", file);
xbps_array_add_cstring(obsoletes, file);
}
xbps_object_release(instfiles);
xbps_object_release(newfiles);
return obsoletes;
}