From f431cd1a48a6a5186633bf5f16a2d21cb4399e8c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Thu, 09 Feb 2012 10:56:43 -0500
Subject: Initial commit.

TODO: Copyright information.
Including source code and a patch to add files generated by GNU Autoconf
is not very pretty...  Running 'make dist' in the SVN trunk to generate
a source archive might be better.
---
(limited to 'src/libopkg/.svn/text-base/release.c.svn-base')

diff --git a/src/libopkg/.svn/text-base/release.c.svn-base b/src/libopkg/.svn/text-base/release.c.svn-base
new file mode 100644
index 0000000..1b6e838
--- /dev/null
+++ b/src/libopkg/.svn/text-base/release.c.svn-base
@@ -0,0 +1,342 @@
+/* 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;
+}
--
cgit v0.9.1