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/* release_parse.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 "config.h"
#include <stdio.h>
#include "release.h"
#include "release_parse.h"
#include "libbb/libbb.h"
#include "parse_util.h"
static int
release_parse_line(release_t *release, const char *line)
{
int ret = 0;
unsigned int count = 0;
char **list = 0;
static int reading_md5sums = 0;
#ifdef HAVE_SHA256
static int reading_sha256sums = 0;
#endif
switch (*line) {
case 'A':
if (is_field("Architectures", line)) {
release->architectures = parse_list(line, &release->architectures_count, ' ', 0);
}
break;
case 'C':
if (is_field("Codename", line)) {
release->name = parse_simple("Codename", line);
}
else if (is_field("Components", line)) {
release->components = parse_list(line, &release->components_count, ' ', 0);
}
break;
case 'D':
if (is_field("Date", line)) {
release->datestring = parse_simple("Date", line);
}
break;
case 'M':
if (is_field("MD5sum", line)) {
reading_md5sums = 1;
if (release->md5sums == NULL) {
release->md5sums = xcalloc(1, sizeof(cksum_list_t));
cksum_list_init(release->md5sums);
}
goto dont_reset_flags;
}
break;
#ifdef HAVE_SHA256
case 'S':
if (is_field("SHA256", line)) {
reading_sha256sums = 1;
if (release->sha256sums == NULL) {
release->sha256sums = xcalloc(1, sizeof(cksum_list_t));
cksum_list_init(release->sha256sums);
}
goto dont_reset_flags;
}
break;
#endif
case ' ':
if (reading_md5sums) {
list = parse_list(line, &count, ' ', 1);
cksum_list_append(release->md5sums, list);
goto dont_reset_flags;
}
#ifdef HAVE_SHA256
else if (reading_sha256sums) {
list = parse_list(line, &count, ' ', 1);
cksum_list_append(release->sha256sums, list);
goto dont_reset_flags;
}
#endif
break;
default:
ret = 1;
}
reading_md5sums = 0;
#ifdef HAVE_SHA256
reading_sha256sums = 0;
#endif
dont_reset_flags:
return ret;
}
int
release_parse_from_stream(release_t *release, FILE *fp)
{
int ret = 0;
char *buf = NULL;
size_t buflen, nread;
nread = getline(&buf, &buflen, fp);
while ( nread != -1 ) {
if (buf[nread-1] == '\n') buf[nread-1] = '\0';
if (release_parse_line(release, buf))
opkg_msg(DEBUG, "Failed to parse release line for %s:\n\t%s\n",
release->name, buf);
nread = getline(&buf, &buflen, fp);
}
if (!feof(fp)) {
opkg_perror(ERROR, "Problems reading Release file for %sd\n", release->name);
ret = -1;
}
free(buf);
return ret;
}
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