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/*
* pacman
*
* Copyright (c) 2002 by Judd Vinet <jvinet@zeroflux.org>
*
* 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 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include "list.h"
#include "package.h"
#include "db.h"
#include "util.h"
#include "pacsync.h"
#include "pacman.h"
extern tartype_t gztype;
pkginfo_t* load_pkg(char *pkgfile, unsigned short output)
{
char *expath;
char *descfile;
int i;
TAR *tar;
pkginfo_t *info = NULL;
PMList *backup = NULL;
PMList *lp;
info = newpkg();
descfile = strdup("/tmp/pacman_XXXXXX");
if(tar_open(&tar, pkgfile, &gztype, O_RDONLY, 0, TAR_GNU) == -1) {
perror("could not open package");
return(NULL);
}
vprint("load_pkg: loading filelist from package...\n");
for(i = 0; !th_read(tar); i++) {
if(!strcmp(th_get_pathname(tar), ".PKGINFO")) {
/* extract this file into /tmp. it has info for us */
vprint("load_pkg: found package description file.\n");
mkstemp(descfile);
tar_extract_file(tar, descfile);
/* parse the info file */
parse_descfile(descfile, info, &backup, output);
if(!strlen(info->name)) {
fprintf(stderr, "error: missing package name in description file.\n");
return(NULL);
}
if(!strlen(info->version)) {
fprintf(stderr, "error: missing package version in description file.\n");
return(NULL);
}
for(lp = backup; lp; lp = lp->next) {
if(lp->data) {
info->backup = list_add(info->backup, lp->data);
}
}
continue;
}
if(!strcmp(th_get_pathname(tar), "._install")) {
info->scriptlet = 1;
} else {
expath = strdup(th_get_pathname(tar));
/* add the path to the list */
info->files = list_add(info->files, expath);
}
if(TH_ISREG(tar) && tar_skip_regfile(tar)) {
perror("bad package file");
return(NULL);
}
expath = NULL;
}
tar_close(tar);
FREE(descfile);
if(!strlen(info->name) || !strlen(info->version)) {
fprintf(stderr, "Error: Missing .PKGINFO file in %s\n", pkgfile);
return(NULL);
}
return(info);
}
/* Parses the package description file for the current package
*
* Returns: 0 on success, 1 on error
*
*/
int parse_descfile(char *descfile, pkginfo_t *info, PMList **backup, int output)
{
FILE* fp = NULL;
char line[PATH_MAX+1];
char* ptr = NULL;
char* key = NULL;
int linenum = 0;
PMList* bak = NULL;
if((fp = fopen(descfile, "r")) == NULL) {
perror(descfile);
return(1);
}
while(!feof(fp)) {
fgets(line, PATH_MAX, fp);
if(output) {
printf("%s", line);
}
linenum++;
trim(line);
if(line[0] == '#') {
continue;
}
if(strlen(line) == 0) {
continue;
}
ptr = line;
key = strsep(&ptr, "=");
if(key == NULL || ptr == NULL) {
fprintf(stderr, "Syntax error in description file line %d\n", linenum);
} else {
trim(key);
key = strtoupper(key);
trim(ptr);
if(!strcmp(key, "PKGNAME")) {
strncpy(info->name, ptr, sizeof(info->name));
} else if(!strcmp(key, "PKGVER")) {
strncpy(info->version, ptr, sizeof(info->version));
} else if(!strcmp(key, "PKGDESC")) {
strncpy(info->desc, ptr, sizeof(info->desc));
} else if(!strcmp(key, "BUILDDATE")) {
strncpy(info->builddate, ptr, sizeof(info->builddate));
} else if(!strcmp(key, "INSTALLDATE")) {
strncpy(info->installdate, ptr, sizeof(info->installdate));
} else if(!strcmp(key, "PACKAGER")) {
strncpy(info->packager, ptr, sizeof(info->packager));
} else if(!strcmp(key, "SIZE")) {
char tmp[32];
strncpy(tmp, ptr, sizeof(tmp));
info->size = atol(tmp);
} else if(!strcmp(key, "DEPEND")) {
char *s = strdup(ptr);
info->depends = list_add(info->depends, s);
} else if(!strcmp(key, "CONFLICT")) {
char *s = strdup(ptr);
info->conflicts = list_add(info->conflicts, s);
} else if(!strcmp(key, "BACKUP")) {
char *s = strdup(ptr);
bak = list_add(bak, s);
} else {
fprintf(stderr, "Syntax error in description file line %d\n", linenum);
}
}
line[0] = '\0';
}
fclose(fp);
unlink(descfile);
*backup = bak;
return(0);
}
pkginfo_t* newpkg()
{
pkginfo_t* pkg = NULL;
MALLOC(pkg, sizeof(pkginfo_t));
pkg->name[0] = '\0';
pkg->version[0] = '\0';
pkg->desc[0] = '\0';
pkg->builddate[0] = '\0';
pkg->installdate[0] = '\0';
pkg->packager[0] = '\0';
pkg->size = 0;
pkg->scriptlet = 0;
pkg->requiredby = NULL;
pkg->conflicts = NULL;
pkg->files = NULL;
pkg->backup = NULL;
pkg->depends = NULL;
return(pkg);
}
void freepkg(pkginfo_t *pkg)
{
if(pkg == NULL) {
return;
}
list_free(pkg->files);
list_free(pkg->backup);
list_free(pkg->depends);
list_free(pkg->conflicts);
list_free(pkg->requiredby);
FREE(pkg);
return;
}
/* Helper function for sorting packages
*/
int pkgcmp(const void *p1, const void *p2)
{
pkginfo_t **pkg1 = (pkginfo_t**)p1;
pkginfo_t **pkg2 = (pkginfo_t**)p2;
return(strcmp(pkg1[0]->name, pkg2[0]->name));
}
/* vim: set ts=2 sw=2 noet: */
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