-/* release.c - the opkg package management system
-
- Copyright (C) 2010,2011 Javier Palacios
-
- 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, 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.
-*/
-
-#include <unistd.h>
-#include <ctype.h>
-
-#include "release.h"
-#include "opkg_utils.h"
-#include "libbb/libbb.h"
-
-#include "opkg_download.h"
-#include "sprintf_alloc.h"
-
-#include "release_parse.h"
-
-#include "parse_util.h"
-#include "file_util.h"
-
-static void
-release_init(release_t *release)
-{
- release->name = NULL;
- release->datestring = NULL;
- release->architectures = NULL;
- release->architectures_count = 0;
- release->components = NULL;
- release->components_count = 0;
- release->complist = NULL;
- release->complist_count = 0;
-}
-
-release_t *
-release_new(void)
-{
- release_t *release;
-
- release = xcalloc(1, sizeof(release_t));
- release_init(release);
-
- return release;
-}
-
-void
-release_deinit(release_t *release)
-{
- int i;
-
- free(release->name);
- free(release->datestring);
-
- for(i = 0; i < release->architectures_count; i++){
- free(release->architectures[i]);
- }
- free(release->architectures);
-
- for(i = 0; i < release->components_count; i++){
- free(release->components[i]);
- }
- free(release->components);
-
- for(i = 0; i < release->complist_count; i++){
- free(release->complist[i]);
- }
- free(release->complist);
-
-}
-
-int
-release_init_from_file(release_t *release, const char *filename)
-{
- int err = 0;
- FILE *release_file;
-
- release_file = fopen(filename, "r");
- if (release_file == NULL) {
- opkg_perror(ERROR, "Failed to open %s", filename);
- return -1;
- }
-
- err=release_parse_from_stream(release, release_file);
- if (!err) {
- if (!release_arch_supported(release)) {
- opkg_msg(ERROR, "No valid architecture found on Release file.\n");
- err = -1;
- }
- }
-
- return err;
-}
-
-const char *
-item_in_list(const char *comp, char **complist, const unsigned int count)
-{
- int i;
-
- if (!complist)
- return comp;
-
- for(i = 0; i < count; i++){
- if (strcmp(comp, complist[i]) == 0)
- return complist[i];
- }
-
- return NULL;
-}
-
-int
-release_arch_supported(release_t *release)
-{
- nv_pair_list_elt_t *l;
-
- list_for_each_entry(l , &conf->arch_list.head, node) {
- nv_pair_t *nv = (nv_pair_t *)l->data;
- if (item_in_list(nv->name, release->architectures, release->architectures_count)) {
- opkg_msg(DEBUG, "Arch %s (priority %s) supported for dist %s.\n",
- nv->name, nv->value, release->name);
- return 1;
- }
- }
-
- return 0;
-}
-
-int
-release_comps_supported(release_t *release, const char *complist)
-{
- int ret = 1;
- int i;
-
- if (complist) {
- release->complist = parse_list(complist, &release->complist_count, ' ', 1);
- for(i = 0; i < release->complist_count; i++){
- if (!item_in_list(release->complist[i], release->components, release->components_count)) {
- opkg_msg(ERROR, "Component %s not supported for dist %s.\n",
- release->complist[i], release->name);
- ret = 0;
- }
- }
- }
-
- return ret;
-}
-
-const char **
-release_comps(release_t *release, unsigned int *count)
-{
- char **comps = release->complist;
-
- if (!comps) {
- comps = release->components;
- *count = release->components_count;
- } else {
- *count = release->complist_count;
- }
-
- return (const char **)comps;
-}
-
-int
-release_download(release_t *release, pkg_src_t *dist, char *lists_dir, char *tmpdir)
-{
- int ret = 0;
- unsigned int ncomp;
- const char **comps = release_comps(release, &ncomp);
- nv_pair_list_elt_t *l;
- int i;
-
- for(i = 0; i < ncomp; i++){
- int err = 0;
- char *prefix;
-
- sprintf_alloc(&prefix, "%s/dists/%s/%s/binary", dist->value, dist->name,
- comps[i]);
-
- list_for_each_entry(l , &conf->arch_list.head, node) {
- char *url;
- char *tmp_file_name, *list_file_name;
- char *subpath = NULL;
-
- nv_pair_t *nv = (nv_pair_t *)l->data;
-
- sprintf_alloc(&list_file_name, "%s/%s-%s-%s", lists_dir, dist->name, comps[i], nv->name);
-
- sprintf_alloc(&tmp_file_name, "%s/%s-%s-%s%s", tmpdir, dist->name, comps[i], nv->name, ".gz");
-
- sprintf_alloc(&subpath, "%s/binary-%s/%s", comps[i], nv->name, dist->gzip ? "Packages.gz" : "Packages");
-
- if (dist->gzip) {
- sprintf_alloc(&url, "%s-%s/Packages.gz", prefix, nv->name);
- err = opkg_download(url, tmp_file_name, NULL, NULL, 1);
- if (!err) {
- err = release_verify_file(release, tmp_file_name, subpath);
- if (err) {
- unlink (tmp_file_name);
- unlink (list_file_name);
- }
- }
- if (!err) {
- FILE *in, *out;
- opkg_msg(NOTICE, "Inflating %s.\n", url);
- in = fopen (tmp_file_name, "r");
- out = fopen (list_file_name, "w");
- if (in && out) {
- err = unzip (in, out);
- if (err)
- opkg_msg(INFO, "Corrumpt file at %s.\n", url);
- } else
- err = 1;
- if (in)
- fclose (in);
- if (out)
- fclose (out);
- unlink (tmp_file_name);
- }
- free(url);
- }
-
- if (err) {
- sprintf_alloc(&url, "%s-%s/Packages", prefix, nv->name);
- err = opkg_download(url, list_file_name, NULL, NULL, 1);
- if (!err) {
- err = release_verify_file(release, tmp_file_name, subpath);
- if (err)
- unlink (list_file_name);
- }
- free(url);
- }
-
- free(tmp_file_name);
- free(list_file_name);
- }
-
- if(err)
- ret = 1;
-
- free(prefix);
- }
-
- return ret;
-}
-
-int
-release_get_size(release_t *release, const char *pathname)
-{
- const cksum_t *cksum;
-
- if (release->md5sums) {
- cksum = cksum_list_find(release->md5sums, pathname);
- return cksum->size;
- }
-
-#ifdef HAVE_SHA256
- if (release->sha256sums) {
- cksum = cksum_list_find(release->sha256sums, pathname);
- return cksum->size;
- }
-#endif
-
- return -1;
-}
-
-const char *
-release_get_md5(release_t *release, const char *pathname)
-{
- const cksum_t *cksum;
-
- if (release->md5sums) {
- cksum = cksum_list_find(release->md5sums, pathname);
- return cksum->value;
- }
-
- return '\0';
-}
-
-#ifdef HAVE_SHA256
-const char *
-release_get_sha256(release_t *release, const char *pathname)
-{
- const cksum_t *cksum;
-
- if (release->sha256sums) {
- cksum = cksum_list_find(release->sha256sums, pathname);
- return cksum->value;
- }
-
- return '\0';
-}
-#endif
-
-int
-release_verify_file(release_t *release, const char* file_name, const char *pathname)
-{
- struct stat f_info;
- char *f_md5 = NULL;
- const char *md5 = release_get_md5(release, pathname);
-#ifdef HAVE_SHA256
- char *f_sha256 = NULL;
- const char *sha256 = release_get_sha256(release, pathname);
-#endif
- int ret = 0;
-
- if (stat(file_name, &f_info) || (f_info.st_size!=release_get_size(release, pathname))) {
- opkg_msg(ERROR, "Size verification failed for %s - %s.\n", release->name, pathname);
- ret = 1;
- } else {
-
- f_md5 = file_md5sum_alloc(file_name);
-#ifdef HAVE_SHA256
- f_sha256 = file_sha256sum_alloc(file_name);
-#endif
-
- if (md5 && strcmp(md5, f_md5)) {
- opkg_msg(ERROR, "MD5 verification failed for %s - %s.\n", release->name, pathname);
- ret = 1;
-#ifdef HAVE_SHA256
- } else if (sha256 && strcmp(sha256, f_sha256)) {
- opkg_msg(ERROR, "SHA256 verification failed for %s - %s.\n", release->name, pathname);
- ret = 1;
-#endif
- }
-
- }
-
- free(f_md5);
-#ifdef HAVE_SHA256
- free(f_sha256);
-#endif
-
- return ret;
-}
projects / oweals / opkg-lede.git / commitdiff