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pacman/lib/libalpm/package.c
Dan McGee 20f73d6299 Remove versioncmp.{c,h}, clean up selective #ifdefs 
Remove versioncmp.c by moving all functions to locations that make sense.

Move replacement functions (for building without glibc) into util.c where
they belong, and do proper checks for them instead of using __sun__, etc.

Signed-off-by: Dan McGee <dan@archlinux.org>
2007-07-12 15:20:43 -04:00

1249 lines
31 KiB
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/*
* 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 <string.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
/* libarchive */
#include <archive.h>
#include <archive_entry.h>
/* libalpm */
#include "package.h"
#include "alpm_list.h"
#include "log.h"
#include "util.h"
#include "error.h"
#include "db.h"
#include "cache.h"
#include "provide.h"
#include "handle.h"
#include "alpm.h"
/** \addtogroup alpm_packages Package Functions
* @brief Functions to manipulate libalpm packages
* @{
*/
/** Create a package from a file.
* @param filename location of the package tarball
* @param pkg address of the package pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_pkg_load(const char *filename, pmpkg_t **pkg)
{
_alpm_log(PM_LOG_FUNCTION, "enter alpm_pkg_load");
/* Sanity checks */
ASSERT(filename != NULL && strlen(filename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
*pkg = _alpm_pkg_load(filename);
if(*pkg == NULL) {
/* pm_errno is set by pkg_load */
return(-1);
}
return(0);
}
/** Free a package.
* @param pkg package pointer to free
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_pkg_free(pmpkg_t *pkg)
{
_alpm_log(PM_LOG_FUNCTION, "enter alpm_pkg_free");
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Only free packages loaded in user space */
if(pkg->origin != PKG_FROM_CACHE) {
_alpm_pkg_free(pkg);
}
return(0);
}
/** Check the integrity (with sha1) of a package from the sync cache.
* @param pkg package pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int alpm_pkg_checksha1sum(pmpkg_t *pkg)
{
char path[PATH_MAX];
struct stat buf;
char *sha1sum = NULL;
alpm_list_t *i;
int retval = 0;
ALPM_LOG_FUNC;
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* We only inspect packages from sync repositories */
ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1));
ASSERT(pkg->data != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1));
/* Loop through the cache dirs until we find a matching file */
for(i = alpm_option_get_cachedirs(); i; i = alpm_list_next(i)) {
snprintf(path, PATH_MAX, "%s%s-%s" PKGEXT, (char*)alpm_list_getdata(i),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
if(stat(path, &buf) == 0) {
break;
}
}
sha1sum = alpm_get_sha1sum(path);
if(sha1sum == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not get sha1sum for package %s-%s"),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
pm_errno = PM_ERR_NOT_A_FILE;
retval = -1;
} else {
if(strcmp(sha1sum, alpm_pkg_get_sha1sum(pkg)) == 0) {
_alpm_log(PM_LOG_DEBUG, "sha1sums for package %s-%s match",
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
} else {
_alpm_log(PM_LOG_ERROR, _("sha1sums do not match for package %s-%s"),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
pm_errno = PM_ERR_PKG_INVALID;
retval = -1;
}
}
FREE(sha1sum);
return(retval);
}
/** Check the integrity (with md5) of a package from the sync cache.
* @param pkg package pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int alpm_pkg_checkmd5sum(pmpkg_t *pkg)
{
char path[PATH_MAX];
struct stat buf;
char *md5sum = NULL;
alpm_list_t *i;
int retval = 0;
ALPM_LOG_FUNC;
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* We only inspect packages from sync repositories */
ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1));
ASSERT(pkg->data != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1));
/* Loop through the cache dirs until we find a matching file */
for(i = alpm_option_get_cachedirs(); i; i = alpm_list_next(i)) {
snprintf(path, PATH_MAX, "%s%s-%s" PKGEXT, (char*)alpm_list_getdata(i),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
if(stat(path, &buf) == 0) {
break;
}
}
md5sum = alpm_get_md5sum(path);
if(md5sum == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not get md5sum for package %s-%s"),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
pm_errno = PM_ERR_NOT_A_FILE;
retval = -1;
} else {
if(strcmp(md5sum, alpm_pkg_get_md5sum(pkg)) == 0) {
_alpm_log(PM_LOG_DEBUG, "md5sums for package %s-%s match",
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
} else {
_alpm_log(PM_LOG_ERROR, _("md5sums do not match for package %s-%s"),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
pm_errno = PM_ERR_PKG_INVALID;
retval = -1;
}
}
FREE(md5sum);
return(retval);
}
/* this function was taken from rpm 4.0.4 and rewritten */
int _alpm_versioncmp(const char *a, const char *b)
{
char str1[64], str2[64];
char *ptr1, *ptr2;
char *one, *two;
char *rel1 = NULL, *rel2 = NULL;
char oldch1, oldch2;
int is1num, is2num;
int rc;
ALPM_LOG_FUNC;
if(!strcmp(a,b)) {
return(0);
}
strncpy(str1, a, 64);
str1[63] = 0;
strncpy(str2, b, 64);
str2[63] = 0;
/* lose the release number */
for(one = str1; *one && *one != '-'; one++);
if(one) {
*one = '\0';
rel1 = ++one;
}
for(two = str2; *two && *two != '-'; two++);
if(two) {
*two = '\0';
rel2 = ++two;
}
one = str1;
two = str2;
while(*one || *two) {
while(*one && !isalnum((int)*one)) one++;
while(*two && !isalnum((int)*two)) two++;
ptr1 = one;
ptr2 = two;
/* find the next segment for each string */
if(isdigit((int)*ptr1)) {
is1num = 1;
while(*ptr1 && isdigit((int)*ptr1)) ptr1++;
} else {
is1num = 0;
while(*ptr1 && isalpha((int)*ptr1)) ptr1++;
}
if(isdigit((int)*ptr2)) {
is2num = 1;
while(*ptr2 && isdigit((int)*ptr2)) ptr2++;
} else {
is2num = 0;
while(*ptr2 && isalpha((int)*ptr2)) ptr2++;
}
oldch1 = *ptr1;
*ptr1 = '\0';
oldch2 = *ptr2;
*ptr2 = '\0';
/* see if we ran out of segments on one string */
if(one == ptr1 && two != ptr2) {
return(is2num ? -1 : 1);
}
if(one != ptr1 && two == ptr2) {
return(is1num ? 1 : -1);
}
/* see if we have a type mismatch (ie, one is alpha and one is digits) */
if(is1num && !is2num) return(1);
if(!is1num && is2num) return(-1);
if(is1num) while(*one == '0') one++;
if(is2num) while(*two == '0') two++;
rc = strverscmp(one, two);
if(rc) return(rc);
*ptr1 = oldch1;
*ptr2 = oldch2;
one = ptr1;
two = ptr2;
}
if((!*one) && (!*two)) {
/* compare release numbers */
if(rel1 && rel2 && strlen(rel1) && strlen(rel2)) return(_alpm_versioncmp(rel1, rel2));
return(0);
}
return(*one ? 1 : -1);
}
/** Compare versions.
* @param ver1 first version
* @param ver2 secont version
* @return postive, 0 or negative if ver1 is less, equal or more
* than ver2, respectively.
*/
int SYMEXPORT alpm_pkg_vercmp(const char *ver1, const char *ver2)
{
ALPM_LOG_FUNC;
return(_alpm_versioncmp(ver1, ver2));
}
/* internal */
static char *_supported_archs[] = {
"i586",
"i686",
"ppc",
"x86_64",
};
/**
* @brief Determine if a package name has -ARCH tacked on.
*
* @param pkgname name of the package to parse
*
* @return pointer to start of -ARCH text if it exists, else NULL
*/
char SYMEXPORT *alpm_pkg_name_hasarch(const char *pkgname)
{
/* TODO remove this when we transfer everything over to -ARCH
*
* this parsing sucks... it's done to support
* two package formats for the time being:
* package-name-foo-1.0.0-1-i686
* and
* package-name-bar-1.2.3-1
*/
size_t i = 0;
char *arch, *cmp, *p;
ALPM_LOG_FUNC;
if((p = strrchr(pkgname, '-'))) {
for(i=0; i < sizeof(_supported_archs)/sizeof(char*); ++i) {
cmp = p+1;
arch = _supported_archs[i];
/* whee, case insensitive compare */
while(*arch && *cmp && tolower(*arch++) == tolower(*cmp++)) ;
if(*arch || *cmp) {
continue;
}
return(p);
}
}
return(NULL);
}
/** @} */
pmpkg_t *_alpm_pkg_new(const char *name, const char *version)
{
pmpkg_t* pkg;
ALPM_LOG_FUNC;
if((pkg = calloc(1,sizeof(pmpkg_t))) == NULL) {
RET_ERR(PM_ERR_MEMORY, NULL);
}
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';
}
return(pkg);
}
pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg)
{
pmpkg_t* newpkg;
ALPM_LOG_FUNC;
if((newpkg = calloc(1, sizeof(pmpkg_t))) == NULL) {
_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmpkg_t));
RET_ERR(PM_ERR_MEMORY, NULL);
}
memcpy(newpkg, pkg, sizeof(pmpkg_t));
newpkg->licenses = alpm_list_strdup(alpm_pkg_get_licenses(pkg));
/*newpkg->desc_localized = alpm_list_strdup(pkg->desc_localized);*/
newpkg->requiredby = alpm_list_strdup(alpm_pkg_get_requiredby(pkg));
newpkg->conflicts = alpm_list_strdup(alpm_pkg_get_conflicts(pkg));
newpkg->files = alpm_list_strdup(alpm_pkg_get_files(pkg));
newpkg->backup = alpm_list_strdup(alpm_pkg_get_backup(pkg));
newpkg->depends = alpm_list_strdup(alpm_pkg_get_depends(pkg));
newpkg->groups = alpm_list_strdup(alpm_pkg_get_groups(pkg));
newpkg->provides = alpm_list_strdup(alpm_pkg_get_provides(pkg));
newpkg->replaces = alpm_list_strdup(alpm_pkg_get_replaces(pkg));
/* internal */
newpkg->data = (newpkg->origin == PKG_FROM_FILE) ? strdup(pkg->data) : pkg->data;
return(newpkg);
}
void _alpm_pkg_free(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
if(pkg == NULL) {
return;
}
FREELIST(pkg->licenses);
/*FREELIST(pkg->desc_localized);*/
FREELIST(pkg->files);
FREELIST(pkg->backup);
FREELIST(pkg->depends);
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);
}
/* Is pkgB an upgrade for pkgA ? */
int alpm_pkg_compare_versions(pmpkg_t *local_pkg, pmpkg_t *pkg)
{
int cmp = 0;
ALPM_LOG_FUNC;
if(pkg->origin == PKG_FROM_CACHE) {
/* ensure we have the /desc file, which contains the 'force' option */
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
/* compare versions and see if we need to upgrade */
cmp = _alpm_versioncmp(alpm_pkg_get_version(pkg), alpm_pkg_get_version(local_pkg));
if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(pkg))) {
/* package should be ignored (IgnorePkg) */
if(cmp > 0) {
_alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (%s)"),
alpm_pkg_get_name(local_pkg), alpm_pkg_get_version(local_pkg),
alpm_pkg_get_version(pkg));
}
return(0);
}
if(cmp != 0 && pkg->force) {
cmp = 1;
_alpm_log(PM_LOG_WARNING, _("%s: forcing upgrade to version %s"),
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
} else if(cmp < 0) {
/* local version is newer */
pmdb_t *db = pkg->data;
_alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)"),
alpm_pkg_get_name(local_pkg), alpm_pkg_get_version(local_pkg),
alpm_db_get_name(db), alpm_pkg_get_version(pkg));
cmp = 0;
} else if(cmp > 0) {
/* we have an upgrade, make sure we should actually do it */
if(_alpm_pkg_istoonew(pkg)) {
/* package too new (UpgradeDelay) */
_alpm_log(PM_LOG_WARNING, _("%s-%s: delaying upgrade of package (%s)"),
alpm_pkg_get_name(local_pkg), alpm_pkg_get_version(local_pkg),
alpm_pkg_get_version(pkg));
cmp = 0;
}
}
return(cmp);
}
/* Helper function for comparing packages
*/
int _alpm_pkg_cmp(const void *p1, const void *p2)
{
pmpkg_t *pk1 = (pmpkg_t *)p1;
pmpkg_t *pk2 = (pmpkg_t *)p2;
return(strcmp(alpm_pkg_get_name(pk1), alpm_pkg_get_name(pk2)));
}
/* Parses the package description file for the current package
* TODO: this should ALL be in a backend interface (be_files), we should
* be dealing with the abstracted concepts only in this file
* Returns: 0 on success, 1 on error
*
*/
static int parse_descfile(const char *descfile, pmpkg_t *info)
{
FILE* fp = NULL;
char line[PATH_MAX];
char *ptr = NULL;
char *key = NULL;
int linenum = 0;
ALPM_LOG_FUNC;
if((fp = fopen(descfile, "r")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s"), descfile, strerror(errno));
return(-1);
}
while(!feof(fp)) {
fgets(line, PATH_MAX, fp);
linenum++;
_alpm_strtrim(line);
if(strlen(line) == 0 || line[0] == '#') {
continue;
}
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 = 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->licenses = alpm_list_add(info->licenses, strdup(ptr));
} 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, "ARCH")) {
strncpy(info->arch, ptr, sizeof(info->arch));
} else if(!strcmp(key, "SIZE")) {
/* size in the raw package is uncompressed (installed) size */
info->isize = atol(ptr);
} else if(!strcmp(key, "DEPEND")) {
info->depends = alpm_list_add(info->depends, 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(const char *pkgfile)
{
char *expath;
int ret = ARCHIVE_OK;
int config = 0;
int filelist = 0;
int scriptcheck = 0;
struct archive *archive;
struct archive_entry *entry;
pmpkg_t *info = NULL;
char *descfile = NULL;
int fd = -1;
alpm_list_t *all_files = NULL;
struct stat st;
ALPM_LOG_FUNC;
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);
}
if(stat(pkgfile, &st) == 0) {
info->size = st.st_size;
}
/* TODO there is no reason to make temp files to read
* from a libarchive archive, it can be done by reading
* directly from the archive
* See: archive_read_data_into_buffer
* requires changes 'parse_descfile' as well
* */
/* Read through the entire archive for metadata. We will continue reading
* even if all metadata is found, to verify the integrity of the archive in
* full */
while((ret = archive_read_next_header (archive, &entry)) == ARCHIVE_OK) {
const char *entry_name = archive_entry_pathname(entry);
if(strcmp(entry_name, ".PKGINFO") == 0) {
/* 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) == -1) {
_alpm_log(PM_LOG_ERROR, _("could not parse the package description file"));
goto pkg_invalid;
}
if(!strlen(info->name)) {
_alpm_log(PM_LOG_ERROR, _("missing package name in %s"), pkgfile);
goto pkg_invalid;
}
if(!strlen(info->version)) {
_alpm_log(PM_LOG_ERROR, _("missing package version in %s"), pkgfile);
goto pkg_invalid;
}
config = 1;
unlink(descfile);
FREE(descfile);
close(fd);
continue;
} else if(strcmp(entry_name, ".INSTALL") == 0) {
info->scriptlet = 1;
scriptcheck = 1;
} else if(strcmp(entry_name, ".FILELIST") == 0) {
/* Build info->files from the filelist */
FILE *fp;
char *fn;
char *str;
int fd;
if((str = 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 if(*entry_name == '.') {
/* for now, ignore all files starting with '.' that haven't
* already been handled (for future possibilities) */
} else {
scriptcheck = 1;
/* Keep track of all files so we can generate a filelist later if missing */
all_files = alpm_list_add(all_files, strdup(entry_name));
}
if(archive_read_data_skip(archive)) {
_alpm_log(PM_LOG_ERROR, _("error while reading package: %s"), archive_error_string(archive));
pm_errno = PM_ERR_LIBARCHIVE_ERROR;
goto error;
}
expath = NULL;
}
if(ret != ARCHIVE_EOF) { /* An error occured */
_alpm_log(PM_LOG_ERROR, _("error while reading package: %s"), archive_error_string(archive));
pm_errno = PM_ERR_LIBARCHIVE_ERROR;
goto error;
}
if(!config) {
_alpm_log(PM_LOG_ERROR, _("missing package metadata"), pkgfile);
goto error;
}
archive_read_finish(archive);
if(!filelist) {
_alpm_log(PM_LOG_ERROR, _("missing package filelist in %s, generating one"), pkgfile);
info->files = all_files;
} else {
alpm_list_free_inner(all_files, free);
alpm_list_free(all_files);
}
/* this is IMPORTANT - "checking for conflicts" requires a sorted list, so we
* ensure that here */
info->files = alpm_list_msort(info->files, alpm_list_count(info->files), _alpm_str_cmp);
/* internal */
info->origin = PKG_FROM_FILE;
info->data = strdup(pkgfile);
info->infolevel = 0xFF;
return(info);
pkg_invalid:
pm_errno = PM_ERR_PKG_INVALID;
if(descfile) {
unlink(descfile);
FREE(descfile);
}
if(fd != -1) {
close(fd);
}
error:
_alpm_pkg_free(info);
archive_read_finish(archive);
return(NULL);
}
/* Test for existence of a package in a alpm_list_t*
* of pmpkg_t*
*/
pmpkg_t *_alpm_pkg_find(const char *needle, alpm_list_t *haystack)
{
alpm_list_t *lp;
ALPM_LOG_FUNC;
if(needle == NULL || haystack == NULL) {
return(NULL);
}
for(lp = haystack; lp; lp = lp->next) {
pmpkg_t *info = lp->data;
if(info && strcmp(alpm_pkg_get_name(info), needle) == 0) {
return(info);
}
}
return(NULL);
}
int _alpm_pkg_splitname(const char *target, char *name, char *version, int witharch)
{
char tmp[PKG_FULLNAME_LEN+7];
const char *t;
char *p, *q;
ALPM_LOG_FUNC;
if(target == NULL) {
return(-1);
}
/* trim path name (if any) */
if((t = strrchr(target, '/')) == NULL) {
t = target;
} else {
t++;
}
strncpy(tmp, t, PKG_FULLNAME_LEN+7);
/* trim file extension (if any) */
if((p = strstr(tmp, PKGEXT))) {
*p = '\0';
}
if(witharch) {
/* trim architecture */
if((p = alpm_pkg_name_hasarch(tmp))) {
*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);
}
/* scan the local db to fill in requiredby field of package,
* used when we want to install or add a package */
void _alpm_pkg_update_requiredby(pmpkg_t *pkg)
{
const alpm_list_t *i, *j;
pmdb_t *localdb = alpm_option_get_localdb();
for(i = _alpm_db_get_pkgcache(localdb); i; i = i->next) {
if(!i->data) {
continue;
}
pmpkg_t *cachepkg = i->data;
const char *cachepkgname = alpm_pkg_get_name(cachepkg);
for(j = alpm_pkg_get_depends(cachepkg); j; j = j->next) {
pmdepend_t *dep;
int satisfies;
if(!j->data) {
continue;
}
dep = alpm_splitdep(j->data);
if(dep == NULL) {
continue;
}
satisfies = alpm_depcmp(pkg, dep);
free(dep);
if(satisfies) {
alpm_list_t *reqs = alpm_pkg_get_requiredby(pkg);
_alpm_log(PM_LOG_DEBUG, "adding '%s' in requiredby field for '%s'",
cachepkgname, pkg->name);
reqs = alpm_list_add(reqs, strdup(cachepkgname));
pkg->requiredby = reqs;
break;
}
}
}
}
const char SYMEXPORT *alpm_pkg_get_filename(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(!strlen(pkg->filename)) {
/* construct the file name, it's not in the desc file */
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
if(pkg->arch && strlen(pkg->arch) > 0) {
snprintf(pkg->filename, PKG_FILENAME_LEN, "%s-%s-%s" PKGEXT,
pkg->name, pkg->version, pkg->arch);
} else {
snprintf(pkg->filename, PKG_FILENAME_LEN, "%s-%s" PKGEXT,
pkg->name, pkg->version);
}
}
return pkg->filename;
}
const char SYMEXPORT *alpm_pkg_get_name(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_BASE)) {
_alpm_db_read(pkg->data, pkg, INFRQ_BASE);
}
return pkg->name;
}
const char SYMEXPORT *alpm_pkg_get_version(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_BASE)) {
_alpm_db_read(pkg->data, pkg, INFRQ_BASE);
}
return pkg->version;
}
const char SYMEXPORT *alpm_pkg_get_desc(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->desc;
}
const char SYMEXPORT *alpm_pkg_get_url(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->url;
}
const char SYMEXPORT *alpm_pkg_get_builddate(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->builddate;
}
const char SYMEXPORT *alpm_pkg_get_installdate(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->installdate;
}
const char SYMEXPORT *alpm_pkg_get_packager(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->packager;
}
const char SYMEXPORT *alpm_pkg_get_md5sum(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->md5sum;
}
const char SYMEXPORT *alpm_pkg_get_sha1sum(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->sha1sum;
}
const char SYMEXPORT *alpm_pkg_get_arch(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->arch;
}
unsigned long SYMEXPORT alpm_pkg_get_size(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(-1));
ASSERT(pkg != NULL, return(-1));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->size;
}
unsigned long SYMEXPORT alpm_pkg_get_isize(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(-1));
ASSERT(pkg != NULL, return(-1));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->isize;
}
pmpkgreason_t SYMEXPORT alpm_pkg_get_reason(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(-1));
ASSERT(pkg != NULL, return(-1));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->reason;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_licenses(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->licenses;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_groups(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->groups;
}
/* depends */
alpm_list_t SYMEXPORT *alpm_pkg_get_depends(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DEPENDS);
}
return pkg->depends;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_requiredby(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DEPENDS);
}
return pkg->requiredby;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_conflicts(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DEPENDS);
}
return pkg->conflicts;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_provides(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DEPENDS);
}
return pkg->provides;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_replaces(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
_alpm_db_read(pkg->data, pkg, INFRQ_DESC);
}
return pkg->replaces;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_files(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && pkg->data == handle->db_local
&& !(pkg->infolevel & INFRQ_FILES)) {
_alpm_db_read(pkg->data, pkg, INFRQ_FILES);
}
return pkg->files;
}
alpm_list_t SYMEXPORT *alpm_pkg_get_backup(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(pkg != NULL, return(NULL));
if(pkg->origin == PKG_FROM_CACHE && pkg->data == handle->db_local
&& !(pkg->infolevel & INFRQ_FILES)) {
_alpm_db_read(pkg->data, pkg, INFRQ_FILES);
}
return pkg->backup;
}
unsigned short SYMEXPORT alpm_pkg_has_scriptlet(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(-1));
ASSERT(pkg != NULL, return(-1));
if(pkg->origin == PKG_FROM_CACHE && pkg->data == handle->db_local
&& !(pkg->infolevel & INFRQ_SCRIPTLET)) {
_alpm_db_read(pkg->data, pkg, INFRQ_SCRIPTLET);
}
return pkg->scriptlet;
}
/* TODO this should either be public, or done somewhere else */
int _alpm_pkg_istoonew(pmpkg_t *pkg)
{
time_t t;
ALPM_LOG_FUNC;
if (!handle->upgradedelay)
return 0;
time(&t);
return((pkg->date + handle->upgradedelay) > t);
}
/* vim: set ts=2 sw=2 noet: */
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