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mirror of https://github.com/moparisthebest/pacman synced 2024-11-02 08:35:06 -04:00
pacman/lib/libalpm/package.c
Aaron Griffin d37ad04873 Merged frugalware changes (too many to list). Also added some config file
handling changes (support [sections] to carry over to included files - this
helps with backwards compatibility with existing pacman config files)
2006-10-15 19:31:03 +00:00

482 lines
13 KiB
C

/*
* package.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
* Copyright (c) 2005, 2006 by Christian Hamar <krics@linuxforum.hu>
* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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 <string.h>
#include <libintl.h>
#include <locale.h>
/* pacman */
#include "log.h"
#include "util.h"
#include "error.h"
#include "list.h"
#include "package.h"
#include "alpm.h"
pmpkg_t *_alpm_pkg_new(const char *name, const char *version)
{
pmpkg_t* pkg = NULL;
if((pkg = (pmpkg_t *)malloc(sizeof(pmpkg_t))) == NULL) {
RET_ERR(PM_ERR_MEMORY, (pmpkg_t *)-1);
}
if(name && name[0] != 0) {
STRNCPY(pkg->name, name, PKG_NAME_LEN);
} else {
pkg->name[0] = '\0';
}
if(version && version[0] != 0) {
STRNCPY(pkg->version, version, PKG_VERSION_LEN);
} else {
pkg->version[0] = '\0';
}
pkg->desc[0] = '\0';
pkg->url[0] = '\0';
pkg->license = NULL;
pkg->desc_localized = NULL;
pkg->builddate[0] = '\0';
pkg->buildtype[0] = '\0';
pkg->installdate[0] = '\0';
pkg->packager[0] = '\0';
pkg->md5sum[0] = '\0';
pkg->sha1sum[0] = '\0';
pkg->arch[0] = '\0';
pkg->size = 0;
pkg->usize = 0;
pkg->scriptlet = 0;
pkg->force = 0;
pkg->reason = PM_PKG_REASON_EXPLICIT;
pkg->requiredby = NULL;
pkg->conflicts = NULL;
pkg->files = NULL;
pkg->backup = NULL;
pkg->depends = NULL;
pkg->removes = NULL;
pkg->groups = NULL;
pkg->provides = NULL;
pkg->replaces = NULL;
/* internal */
pkg->origin = 0;
pkg->data = NULL;
pkg->infolevel = 0;
return(pkg);
}
pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg)
{
pmpkg_t* newpkg = NULL;
newpkg = (pmpkg_t *)malloc(sizeof(pmpkg_t));
if(newpkg == NULL) {
_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmpkg_t));
RET_ERR(PM_ERR_MEMORY, NULL);
}
STRNCPY(newpkg->name, pkg->name, PKG_NAME_LEN);
STRNCPY(newpkg->version, pkg->version, PKG_VERSION_LEN);
STRNCPY(newpkg->desc, pkg->desc, PKG_DESC_LEN);
STRNCPY(newpkg->url, pkg->url, PKG_URL_LEN);
STRNCPY(newpkg->builddate, pkg->builddate, PKG_DATE_LEN);
STRNCPY(newpkg->buildtype, pkg->buildtype, PKG_DATE_LEN);
STRNCPY(newpkg->installdate, pkg->installdate, PKG_DATE_LEN);
STRNCPY(newpkg->packager, pkg->packager, PKG_PACKAGER_LEN);
STRNCPY(newpkg->md5sum, pkg->md5sum, PKG_MD5SUM_LEN);
STRNCPY(newpkg->sha1sum, pkg->sha1sum, PKG_SHA1SUM_LEN);
STRNCPY(newpkg->arch, pkg->arch, PKG_ARCH_LEN);
newpkg->size = pkg->size;
newpkg->usize = pkg->usize;
newpkg->force = pkg->force;
newpkg->scriptlet = pkg->scriptlet;
newpkg->reason = pkg->reason;
newpkg->license = _alpm_list_strdup(pkg->license);
newpkg->desc_localized = _alpm_list_strdup(pkg->desc_localized);
newpkg->requiredby = _alpm_list_strdup(pkg->requiredby);
newpkg->conflicts = _alpm_list_strdup(pkg->conflicts);
newpkg->files = _alpm_list_strdup(pkg->files);
newpkg->backup = _alpm_list_strdup(pkg->backup);
newpkg->depends = _alpm_list_strdup(pkg->depends);
newpkg->removes = _alpm_list_strdup(pkg->removes);
newpkg->groups = _alpm_list_strdup(pkg->groups);
newpkg->provides = _alpm_list_strdup(pkg->provides);
newpkg->replaces = _alpm_list_strdup(pkg->replaces);
/* internal */
newpkg->origin = pkg->origin;
newpkg->data = (newpkg->origin == PKG_FROM_FILE) ? strdup(pkg->data) : pkg->data;
newpkg->infolevel = pkg->infolevel;
return(newpkg);
}
void _alpm_pkg_free(void *data)
{
pmpkg_t *pkg = data;
if(pkg == NULL) {
return;
}
FREELIST(pkg->license);
FREELIST(pkg->desc_localized);
FREELIST(pkg->files);
FREELIST(pkg->backup);
FREELIST(pkg->depends);
FREELIST(pkg->removes);
FREELIST(pkg->conflicts);
FREELIST(pkg->requiredby);
FREELIST(pkg->groups);
FREELIST(pkg->provides);
FREELIST(pkg->replaces);
if(pkg->origin == PKG_FROM_FILE) {
FREE(pkg->data);
}
free(pkg);
return;
}
/* Helper function for comparing packages
*/
int _alpm_pkg_cmp(const void *p1, const void *p2)
{
return(strcmp(((pmpkg_t *)p1)->name, ((pmpkg_t *)p2)->name));
}
/* Parses the package description file for the current package
*
* Returns: 0 on success, 1 on error
*
*/
static int parse_descfile(char *descfile, pmpkg_t *info, int output)
{
FILE* fp = NULL;
char line[PATH_MAX];
char* ptr = NULL;
char* key = NULL;
int linenum = 0;
if((fp = fopen(descfile, "r")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s"), descfile);
return(-1);
}
while(!feof(fp)) {
fgets(line, PATH_MAX, fp);
linenum++;
_alpm_strtrim(line);
if(strlen(line) == 0 || line[0] == '#') {
continue;
}
if(output) {
_alpm_log(PM_LOG_DEBUG, "%s", line);
}
ptr = line;
key = strsep(&ptr, "=");
if(key == NULL || ptr == NULL) {
_alpm_log(PM_LOG_DEBUG, _("%s: syntax error in description file line %d"),
info->name[0] != '\0' ? info->name : "error", linenum);
} else {
_alpm_strtrim(key);
key = _alpm_strtoupper(key);
_alpm_strtrim(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")) {
char *lang_tmp;
info->desc_localized = _alpm_list_add(info->desc_localized, strdup(ptr));
if((lang_tmp = (char *)malloc(strlen(setlocale(LC_ALL, "")))) == NULL) {
RET_ERR(PM_ERR_MEMORY, -1);
}
STRNCPY(lang_tmp, setlocale(LC_ALL, ""), strlen(setlocale(LC_ALL, "")));
if(info->desc_localized && !info->desc_localized->next) {
STRNCPY(info->desc, ptr, sizeof(info->desc));
} else if (ptr && !strncmp(ptr, lang_tmp, strlen(lang_tmp))) {
STRNCPY(info->desc, ptr+strlen(lang_tmp)+1, sizeof(info->desc));
}
FREE(lang_tmp);
} else if(!strcmp(key, "GROUP")) {
info->groups = _alpm_list_add(info->groups, strdup(ptr));
} else if(!strcmp(key, "URL")) {
STRNCPY(info->url, ptr, sizeof(info->url));
} else if(!strcmp(key, "LICENSE")) {
info->license = _alpm_list_add(info->license, strdup(ptr));
} else if(!strcmp(key, "BUILDDATE")) {
STRNCPY(info->builddate, ptr, sizeof(info->builddate));
} else if(!strcmp(key, "BUILDTYPE")) {
STRNCPY(info->buildtype, ptr, sizeof(info->buildtype));
} 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, "ARCH")) {
STRNCPY(info->arch, ptr, sizeof(info->arch));
} else if(!strcmp(key, "SIZE")) {
char tmp[32];
STRNCPY(tmp, ptr, sizeof(tmp));
info->size = atol(tmp);
} else if(!strcmp(key, "USIZE")) {
char tmp[32];
STRNCPY(tmp, ptr, sizeof(tmp));
info->usize = atol(tmp);
} else if(!strcmp(key, "DEPEND")) {
info->depends = _alpm_list_add(info->depends, strdup(ptr));
} else if(!strcmp(key, "REMOVE")) {
info->removes = _alpm_list_add(info->removes, strdup(ptr));
} else if(!strcmp(key, "CONFLICT")) {
info->conflicts = _alpm_list_add(info->conflicts, strdup(ptr));
} else if(!strcmp(key, "REPLACES")) {
info->replaces = _alpm_list_add(info->replaces, strdup(ptr));
} else if(!strcmp(key, "PROVIDES")) {
info->provides = _alpm_list_add(info->provides, strdup(ptr));
} else if(!strcmp(key, "BACKUP")) {
info->backup = _alpm_list_add(info->backup, strdup(ptr));
} else {
_alpm_log(PM_LOG_DEBUG, _("%s: syntax error in description file line %d"),
info->name[0] != '\0' ? info->name : "error", linenum);
}
}
line[0] = '\0';
}
fclose(fp);
unlink(descfile);
return(0);
}
pmpkg_t *_alpm_pkg_load(char *pkgfile)
{
char *expath;
int i;
int config = 0;
int filelist = 0;
int scriptcheck = 0;
register struct archive *archive;
struct archive_entry *entry;
pmpkg_t *info = NULL;
if(pkgfile == NULL || strlen(pkgfile) == 0) {
RET_ERR(PM_ERR_WRONG_ARGS, NULL);
}
if ((archive = archive_read_new ()) == NULL)
RET_ERR(PM_ERR_LIBARCHIVE_ERROR, NULL);
archive_read_support_compression_all (archive);
archive_read_support_format_all (archive);
if (archive_read_open_file (archive, pkgfile, ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK)
RET_ERR(PM_ERR_PKG_OPEN, NULL);
info = _alpm_pkg_new(NULL, NULL);
if(info == NULL) {
archive_read_finish (archive);
RET_ERR(PM_ERR_MEMORY, NULL);
}
for(i = 0; archive_read_next_header (archive, &entry) == ARCHIVE_OK; i++) {
if(config && filelist && scriptcheck) {
/* we have everything we need */
break;
}
if(!strcmp(archive_entry_pathname (entry), ".PKGINFO")) {
char *descfile;
int fd;
/* extract this file into /tmp. it has info for us */
descfile = strdup("/tmp/alpm_XXXXXX");
fd = mkstemp(descfile);
archive_read_data_into_fd (archive, fd);
/* parse the info file */
if(parse_descfile(descfile, info, 0) == -1) {
_alpm_log(PM_LOG_ERROR, _("could not parse the package description file"));
pm_errno = PM_ERR_PKG_INVALID;
unlink(descfile);
FREE(descfile);
close(fd);
goto error;
}
if(!strlen(info->name)) {
_alpm_log(PM_LOG_ERROR, _("missing package name in %s"), pkgfile);
pm_errno = PM_ERR_PKG_INVALID;
unlink(descfile);
FREE(descfile);
close(fd);
goto error;
}
if(!strlen(info->version)) {
_alpm_log(PM_LOG_ERROR, _("missing package version in %s"), pkgfile);
pm_errno = PM_ERR_PKG_INVALID;
unlink(descfile);
FREE(descfile);
close(fd);
goto error;
}
config = 1;
unlink(descfile);
FREE(descfile);
close(fd);
continue;
} else if(!strcmp(archive_entry_pathname (entry), "._install") || !strcmp(archive_entry_pathname (entry), ".INSTALL")) {
info->scriptlet = 1;
scriptcheck = 1;
} else if(!strcmp(archive_entry_pathname (entry), ".FILELIST")) {
/* Build info->files from the filelist */
FILE *fp;
char *fn;
char *str;
int fd;
if((str = (char *)malloc(PATH_MAX)) == NULL) {
RET_ERR(PM_ERR_MEMORY, (pmpkg_t *)-1);
}
fn = strdup("/tmp/alpm_XXXXXX");
fd = mkstemp(fn);
archive_read_data_into_fd (archive,fd);
fp = fopen(fn, "r");
while(!feof(fp)) {
if(fgets(str, PATH_MAX, fp) == NULL) {
continue;
}
_alpm_strtrim(str);
info->files = _alpm_list_add(info->files, strdup(str));
}
FREE(str);
fclose(fp);
if(unlink(fn)) {
_alpm_log(PM_LOG_WARNING, _("could not remove tempfile %s"), fn);
}
FREE(fn);
close(fd);
filelist = 1;
continue;
} else {
scriptcheck = 1;
if(!filelist) {
/* no .FILELIST present in this package.. build the filelist the */
/* old-fashioned way, one at a time */
expath = strdup(archive_entry_pathname (entry));
info->files = _alpm_list_add(info->files, expath);
}
}
if(archive_read_data_skip (archive)) {
_alpm_log(PM_LOG_ERROR, _("bad package file in %s"), pkgfile);
goto error;
}
expath = NULL;
}
archive_read_finish (archive);
if(!config) {
_alpm_log(PM_LOG_ERROR, _("missing package info file in %s"), pkgfile);
goto error;
}
/* internal */
info->origin = PKG_FROM_FILE;
info->data = strdup(pkgfile);
info->infolevel = 0xFF;
return(info);
error:
FREEPKG(info);
archive_read_finish (archive);
return(NULL);
}
/* Test for existence of a package in a PMList*
* of pmpkg_t*
*/
pmpkg_t *_alpm_pkg_isin(char *needle, PMList *haystack)
{
PMList *lp;
if(needle == NULL || haystack == NULL) {
return(NULL);
}
for(lp = haystack; lp; lp = lp->next) {
pmpkg_t *info = lp->data;
if(info && !strcmp(info->name, needle)) {
return(lp->data);
}
}
return(NULL);
}
int _alpm_pkg_splitname(char *target, char *name, char *version)
{
char tmp[PKG_FULLNAME_LEN+7];
char *p, *q;
if(target == NULL) {
return(-1);
}
/* trim path name (if any) */
if((p = strrchr(target, '/')) == NULL) {
p = target;
} else {
p++;
}
STRNCPY(tmp, p, PKG_FULLNAME_LEN+7);
/* trim file extension (if any) */
if((p = strstr(tmp, PM_EXT_PKG))) {
*p = 0;
}
p = tmp + strlen(tmp);
for(q = --p; *q && *q != '-'; q--);
if(*q != '-' || q == tmp) {
return(-1);
}
for(p = --q; *p && *p != '-'; p--);
if(*p != '-' || p == tmp) {
return(-1);
}
if(version) {
STRNCPY(version, p+1, PKG_VERSION_LEN);
}
*p = 0;
if(name) {
STRNCPY(name, tmp, PKG_NAME_LEN);
}
return(0);
}
/* vim: set ts=2 sw=2 noet: */