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pacman/lib/libalpm/be_local.c

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/*
* be_local.c
*
* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2002-2006 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <stdint.h> /* intmax_t */
#include <sys/stat.h>
#include <dirent.h>
#include <time.h>
#include <limits.h> /* PATH_MAX */
/* libalpm */
#include "db.h"
#include "alpm_list.h"
#include "log.h"
#include "util.h"
#include "alpm.h"
#include "handle.h"
#include "package.h"
#include "deps.h"
#define LAZY_LOAD(info, errret) \
do { \
ALPM_LOG_FUNC; \
ASSERT(handle != NULL, return (errret)); \
if(pkg->origin != PKG_FROM_FILE && !(pkg->infolevel & info)) { \
_alpm_local_db_read(pkg->origin_data.db, pkg, info); \
} \
} while(0)
/* Cache-specific accessor functions. These implementations allow for lazy
* loading by the files backend when a data member is actually needed
* rather than loading all pieces of information when the package is first
* initialized.
*/
static const char *_cache_get_filename(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->filename;
}
static const char *_cache_get_desc(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->desc;
}
static const char *_cache_get_url(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->url;
}
static time_t _cache_get_builddate(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->builddate;
}
static time_t _cache_get_installdate(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->installdate;
}
static const char *_cache_get_packager(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->packager;
}
static const char *_cache_get_md5sum(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->md5sum;
}
static const char *_cache_get_arch(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->arch;
}
static off_t _cache_get_size(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->size;
}
static off_t _cache_get_isize(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->isize;
}
static pmpkgreason_t _cache_get_reason(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->reason;
}
static alpm_list_t *_cache_get_licenses(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->licenses;
}
static alpm_list_t *_cache_get_groups(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->groups;
}
static int _cache_has_scriptlet(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return -1);
if(!(pkg->infolevel & INFRQ_SCRIPTLET)) {
_alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_SCRIPTLET);
}
return pkg->scriptlet;
}
static alpm_list_t *_cache_get_depends(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->depends;
}
static alpm_list_t *_cache_get_optdepends(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->optdepends;
}
static alpm_list_t *_cache_get_conflicts(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->conflicts;
}
static alpm_list_t *_cache_get_provides(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->provides;
}
static alpm_list_t *_cache_get_replaces(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->replaces;
}
/* local packages can not have deltas */
static alpm_list_t *_cache_get_deltas(pmpkg_t *pkg)
{
return NULL;
}
static alpm_list_t *_cache_get_files(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return NULL);
if(pkg->origin == PKG_FROM_LOCALDB
&& !(pkg->infolevel & INFRQ_FILES)) {
_alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
}
return pkg->files;
}
static alpm_list_t *_cache_get_backup(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return NULL);
if(pkg->origin == PKG_FROM_LOCALDB
&& !(pkg->infolevel & INFRQ_FILES)) {
_alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
}
return pkg->backup;
}
/**
* Open a package changelog for reading. Similar to fopen in functionality,
* except that the returned 'file stream' is from the database.
* @param pkg the package (from db) to read the changelog
* @return a 'file stream' to the package changelog
*/
static void *_cache_changelog_open(pmpkg_t *pkg)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return NULL);
char clfile[PATH_MAX];
snprintf(clfile, PATH_MAX, "%s/%s/%s-%s/changelog",
alpm_option_get_dbpath(),
alpm_db_get_name(alpm_pkg_get_db(pkg)),
alpm_pkg_get_name(pkg),
alpm_pkg_get_version(pkg));
return fopen(clfile, "r");
}
/**
* Read data from an open changelog 'file stream'. Similar to fread in
* functionality, this function takes a buffer and amount of data to read.
* @param ptr a buffer to fill with raw changelog data
* @param size the size of the buffer
* @param pkg the package that the changelog is being read from
* @param fp a 'file stream' to the package changelog
* @return the number of characters read, or 0 if there is no more data
*/
static size_t _cache_changelog_read(void *ptr, size_t size,
const pmpkg_t *pkg, const void *fp)
{
return fread(ptr, 1, size, (FILE *)fp);
}
/**
* Close a package changelog for reading. Similar to fclose in functionality,
* except that the 'file stream' is from the database.
* @param pkg the package that the changelog was read from
* @param fp a 'file stream' to the package changelog
* @return whether closing the package changelog stream was successful
*/
static int _cache_changelog_close(const pmpkg_t *pkg, void *fp)
{
return fclose((FILE *)fp);
}
/** The local database operations struct. Get package fields through
* lazy accessor methods that handle any backend loading and caching
* logic.
*/
static struct pkg_operations local_pkg_ops = {
.get_filename = _cache_get_filename,
.get_desc = _cache_get_desc,
.get_url = _cache_get_url,
.get_builddate = _cache_get_builddate,
.get_installdate = _cache_get_installdate,
.get_packager = _cache_get_packager,
.get_md5sum = _cache_get_md5sum,
.get_arch = _cache_get_arch,
.get_size = _cache_get_size,
.get_isize = _cache_get_isize,
.get_reason = _cache_get_reason,
.has_scriptlet = _cache_has_scriptlet,
.get_licenses = _cache_get_licenses,
.get_groups = _cache_get_groups,
.get_depends = _cache_get_depends,
.get_optdepends = _cache_get_optdepends,
.get_conflicts = _cache_get_conflicts,
.get_provides = _cache_get_provides,
.get_replaces = _cache_get_replaces,
.get_deltas = _cache_get_deltas,
.get_files = _cache_get_files,
.get_backup = _cache_get_backup,
.changelog_open = _cache_changelog_open,
.changelog_read = _cache_changelog_read,
.changelog_close = _cache_changelog_close,
};
static int checkdbdir(pmdb_t *db)
{
struct stat buf;
const char *path = _alpm_db_path(db);
if(stat(path, &buf) != 0) {
_alpm_log(PM_LOG_DEBUG, "database dir '%s' does not exist, creating it\n",
path);
if(_alpm_makepath(path) != 0) {
RET_ERR(PM_ERR_SYSTEM, -1);
}
} else if(!S_ISDIR(buf.st_mode)) {
_alpm_log(PM_LOG_WARNING, _("removing invalid database: %s\n"), path);
if(unlink(path) != 0 || _alpm_makepath(path) != 0) {
RET_ERR(PM_ERR_SYSTEM, -1);
}
}
return 0;
}
static int is_dir(const char *path, struct dirent *entry)
{
#ifdef HAVE_STRUCT_DIRENT_D_TYPE
if(entry->d_type != DT_UNKNOWN) {
return (entry->d_type == DT_DIR);
}
#endif
{
char buffer[PATH_MAX];
struct stat sbuf;
snprintf(buffer, PATH_MAX, "%s/%s", path, entry->d_name);
if(!stat(buffer, &sbuf)) {
return S_ISDIR(sbuf.st_mode);
}
}
return 0;
}
static int local_db_populate(pmdb_t *db)
{
size_t est_count;
int count = 0;
struct stat buf;
struct dirent *ent = NULL;
const char *dbpath;
DIR *dbdir;
ALPM_LOG_FUNC;
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
dbpath = _alpm_db_path(db);
if(dbpath == NULL) {
RET_ERR(PM_ERR_DB_OPEN, -1);
}
dbdir = opendir(dbpath);
if(dbdir == NULL) {
if(errno == ENOENT) {
/* no database existing yet is not an error */
return 0;
}
RET_ERR(PM_ERR_DB_OPEN, -1);
}
if(fstat(dirfd(dbdir), &buf) != 0) {
RET_ERR(PM_ERR_DB_OPEN, -1);
}
if(buf.st_nlink >= 2) {
est_count = buf.st_nlink;
} else {
/* Some filesystems don't subscribe to the two-implicit links school of
* thought, e.g. BTRFS, HFS+. See
* http://kerneltrap.org/mailarchive/linux-btrfs/2010/1/23/6723483/thread
*/
est_count = 0;
while(readdir(dbdir) != NULL) {
est_count++;
}
rewinddir(dbdir);
}
if(est_count >= 2) {
/* subtract the two extra pointers to get # of children */
est_count -= 2;
}
/* initialize hash at 50% full */
db->pkgcache = _alpm_pkghash_create(est_count * 2);
if(db->pkgcache == NULL){
closedir(dbdir);
RET_ERR(PM_ERR_MEMORY, -1);
}
while((ent = readdir(dbdir)) != NULL) {
const char *name = ent->d_name;
pmpkg_t *pkg;
if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
continue;
}
if(!is_dir(dbpath, ent)) {
continue;
}
pkg = _alpm_pkg_new();
if(pkg == NULL) {
closedir(dbdir);
RET_ERR(PM_ERR_MEMORY, -1);
}
/* split the db entry name */
if(_alpm_splitname(name, pkg) != 0) {
_alpm_log(PM_LOG_ERROR, _("invalid name for database entry '%s'\n"),
name);
_alpm_pkg_free(pkg);
continue;
}
/* duplicated database entries are not allowed */
if(_alpm_pkghash_find(db->pkgcache, pkg->name)) {
_alpm_log(PM_LOG_ERROR, _("duplicated database entry '%s'\n"), pkg->name);
_alpm_pkg_free(pkg);
continue;
}
pkg->origin = PKG_FROM_LOCALDB;
pkg->origin_data.db = db;
pkg->ops = &local_pkg_ops;
/* explicitly read with only 'BASE' data, accessors will handle the rest */
if(_alpm_local_db_read(db, pkg, INFRQ_BASE) == -1) {
_alpm_log(PM_LOG_ERROR, _("corrupted database entry '%s'\n"), name);
_alpm_pkg_free(pkg);
continue;
}
/* add to the collection */
_alpm_log(PM_LOG_DEBUG, "adding '%s' to package cache for db '%s'\n",
pkg->name, db->treename);
db->pkgcache = _alpm_pkghash_add(db->pkgcache, pkg);
count++;
}
closedir(dbdir);
if(count > 0) {
db->pkgcache->list = alpm_list_msort(db->pkgcache->list, (size_t)count, _alpm_pkg_cmp);
}
return count;
}
/* Note: the return value must be freed by the caller */
static char *get_pkgpath(pmdb_t *db, pmpkg_t *info)
{
size_t len;
char *pkgpath;
const char *dbpath;
dbpath = _alpm_db_path(db);
len = strlen(dbpath) + strlen(info->name) + strlen(info->version) + 3;
MALLOC(pkgpath, len, RET_ERR(PM_ERR_MEMORY, NULL));
sprintf(pkgpath, "%s%s-%s/", dbpath, info->name, info->version);
return pkgpath;
}
int _alpm_local_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
{
FILE *fp = NULL;
char path[PATH_MAX];
char line[1024];
char *pkgpath = NULL;
ALPM_LOG_FUNC;
if(db == NULL) {
RET_ERR(PM_ERR_DB_NULL, -1);
}
if(info == NULL || info->name == NULL || info->version == NULL) {
_alpm_log(PM_LOG_DEBUG, "invalid package entry provided to _alpm_local_db_read, skipping\n");
return -1;
}
if(info->origin != PKG_FROM_LOCALDB) {
_alpm_log(PM_LOG_DEBUG,
"request to read info for a non-local package '%s', skipping...\n",
info->name);
return -1;
}
/* bitmask logic here:
* infolevel: 00001111
* inforeq: 00010100
* & result: 00000100
* == to inforeq? nope, we need to load more info. */
if((info->infolevel & inforeq) == inforeq) {
/* already loaded all of this info, do nothing */
return 0;
}
_alpm_log(PM_LOG_FUNCTION, "loading package data for %s : level=0x%x\n",
info->name, inforeq);
/* clear out 'line', to be certain - and to make valgrind happy */
memset(line, 0, sizeof(line));
pkgpath = get_pkgpath(db, info);
if(access(pkgpath, F_OK)) {
/* directory doesn't exist or can't be opened */
_alpm_log(PM_LOG_DEBUG, "cannot find '%s-%s' in db '%s'\n",
info->name, info->version, db->treename);
goto error;
}
/* DESC */
if(inforeq & INFRQ_DESC && !(info->infolevel & INFRQ_DESC)) {
snprintf(path, PATH_MAX, "%sdesc", pkgpath);
if((fp = fopen(path, "r")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
goto error;
}
while(!feof(fp)) {
if(fgets(line, sizeof(line), fp) == NULL) {
break;
}
_alpm_strtrim(line);
if(strcmp(line, "%NAME%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
if(strcmp(_alpm_strtrim(line), info->name) != 0) {
_alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: name "
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%VERSION%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
if(strcmp(_alpm_strtrim(line), info->version) != 0) {
_alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: version "
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%DESC%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->desc, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%GROUPS%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->groups = alpm_list_add(info->groups, linedup);
}
} else if(strcmp(line, "%URL%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->url, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%LICENSE%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->licenses = alpm_list_add(info->licenses, linedup);
}
} else if(strcmp(line, "%ARCH%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->arch, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%BUILDDATE%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
_alpm_strtrim(line);
info->builddate = _alpm_parsedate(line);
} else if(strcmp(line, "%INSTALLDATE%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
_alpm_strtrim(line);
info->installdate = _alpm_parsedate(line);
} else if(strcmp(line, "%PACKAGER%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->packager, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%REASON%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
info->reason = (pmpkgreason_t)atol(_alpm_strtrim(line));
} else if(strcmp(line, "%SIZE%") == 0) {
/* NOTE: the CSIZE and SIZE fields both share the "size" field
* in the pkginfo_t struct. This can be done b/c CSIZE
* is currently only used in sync databases, and SIZE is
* only used in local databases.
*/
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
info->size = atol(_alpm_strtrim(line));
/* also store this value to isize */
info->isize = info->size;
} else if(strcmp(line, "%REPLACES%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->replaces = alpm_list_add(info->replaces, linedup);
}
} else if(strcmp(line, "%DEPENDS%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
pmdepend_t *dep = _alpm_splitdep(line);
info->depends = alpm_list_add(info->depends, dep);
}
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->optdepends = alpm_list_add(info->optdepends, linedup);
}
} else if(strcmp(line, "%CONFLICTS%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->conflicts = alpm_list_add(info->conflicts, linedup);
}
} else if(strcmp(line, "%PROVIDES%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->provides = alpm_list_add(info->provides, linedup);
}
}
}
fclose(fp);
fp = NULL;
}
/* FILES */
if(inforeq & INFRQ_FILES && !(info->infolevel & INFRQ_FILES)) {
snprintf(path, PATH_MAX, "%sfiles", pkgpath);
if((fp = fopen(path, "r")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
goto error;
}
while(fgets(line, sizeof(line), fp)) {
_alpm_strtrim(line);
if(strcmp(line, "%FILES%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->files = alpm_list_add(info->files, linedup);
}
} else if(strcmp(line, "%BACKUP%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, line, goto error);
info->backup = alpm_list_add(info->backup, linedup);
}
}
}
fclose(fp);
fp = NULL;
}
/* INSTALL */
if(inforeq & INFRQ_SCRIPTLET && !(info->infolevel & INFRQ_SCRIPTLET)) {
snprintf(path, PATH_MAX, "%sinstall", pkgpath);
if(access(path, F_OK) == 0) {
info->scriptlet = 1;
}
}
/* internal */
info->infolevel |= inforeq;
free(pkgpath);
return 0;
error:
free(pkgpath);
if(fp) {
fclose(fp);
}
return -1;
}
int _alpm_local_db_prepare(pmdb_t *db, pmpkg_t *info)
{
mode_t oldmask;
int retval = 0;
char *pkgpath = NULL;
if(checkdbdir(db) != 0) {
return -1;
}
oldmask = umask(0000);
pkgpath = get_pkgpath(db, info);
if((retval = mkdir(pkgpath, 0755)) != 0) {
_alpm_log(PM_LOG_ERROR, _("could not create directory %s: %s\n"),
pkgpath, strerror(errno));
}
free(pkgpath);
umask(oldmask);
return retval;
}
int _alpm_local_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
{
FILE *fp = NULL;
char path[PATH_MAX];
mode_t oldmask;
alpm_list_t *lp = NULL;
int retval = 0;
char *pkgpath = NULL;
ALPM_LOG_FUNC;
if(db == NULL || info == NULL) {
return -1;
}
pkgpath = get_pkgpath(db, info);
/* make sure we have a sane umask */
oldmask = umask(0022);
if(strcmp(db->treename, "local") != 0) {
return -1;
}
/* DESC */
if(inforeq & INFRQ_DESC) {
_alpm_log(PM_LOG_DEBUG, "writing %s-%s DESC information back to db\n",
info->name, info->version);
snprintf(path, PATH_MAX, "%sdesc", pkgpath);
if((fp = fopen(path, "w")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
retval = -1;
goto cleanup;
}
fprintf(fp, "%%NAME%%\n%s\n\n"
"%%VERSION%%\n%s\n\n", info->name, info->version);
if(info->desc) {
fprintf(fp, "%%DESC%%\n"
"%s\n\n", info->desc);
}
if(info->groups) {
fputs("%GROUPS%\n", fp);
for(lp = info->groups; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->replaces) {
fputs("%REPLACES%\n", fp);
for(lp = info->replaces; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->url) {
fprintf(fp, "%%URL%%\n"
"%s\n\n", info->url);
}
if(info->licenses) {
fputs("%LICENSE%\n", fp);
for(lp = info->licenses; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->arch) {
fprintf(fp, "%%ARCH%%\n"
"%s\n\n", info->arch);
}
if(info->builddate) {
fprintf(fp, "%%BUILDDATE%%\n"
"%ld\n\n", info->builddate);
}
if(info->installdate) {
fprintf(fp, "%%INSTALLDATE%%\n"
"%ld\n\n", info->installdate);
}
if(info->packager) {
fprintf(fp, "%%PACKAGER%%\n"
"%s\n\n", info->packager);
}
if(info->isize) {
/* only write installed size, csize is irrelevant once installed */
fprintf(fp, "%%SIZE%%\n"
"%jd\n\n", (intmax_t)info->isize);
}
if(info->reason) {
fprintf(fp, "%%REASON%%\n"
"%u\n\n", info->reason);
}
if(info->depends) {
fputs("%DEPENDS%\n", fp);
for(lp = info->depends; lp; lp = lp->next) {
char *depstring = alpm_dep_compute_string(lp->data);
fprintf(fp, "%s\n", depstring);
free(depstring);
}
fprintf(fp, "\n");
}
if(info->optdepends) {
fputs("%OPTDEPENDS%\n", fp);
for(lp = info->optdepends; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->conflicts) {
fputs("%CONFLICTS%\n", fp);
for(lp = info->conflicts; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->provides) {
fputs("%PROVIDES%\n", fp);
for(lp = info->provides; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
fclose(fp);
fp = NULL;
}
/* FILES */
if(inforeq & INFRQ_FILES) {
_alpm_log(PM_LOG_DEBUG, "writing %s-%s FILES information back to db\n",
info->name, info->version);
snprintf(path, PATH_MAX, "%sfiles", pkgpath);
if((fp = fopen(path, "w")) == NULL) {
_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
retval = -1;
goto cleanup;
}
if(info->files) {
fprintf(fp, "%%FILES%%\n");
for(lp = info->files; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
if(info->backup) {
fprintf(fp, "%%BACKUP%%\n");
for(lp = info->backup; lp; lp = lp->next) {
fprintf(fp, "%s\n", (char *)lp->data);
}
fprintf(fp, "\n");
}
fclose(fp);
fp = NULL;
}
/* INSTALL */
/* nothing needed here (script is automatically extracted) */
cleanup:
umask(oldmask);
free(pkgpath);
if(fp) {
fclose(fp);
}
return retval;
}
int _alpm_local_db_remove(pmdb_t *db, pmpkg_t *info)
{
int ret = 0;
char *pkgpath = NULL;
ALPM_LOG_FUNC;
if(db == NULL || info == NULL) {
RET_ERR(PM_ERR_DB_NULL, -1);
}
pkgpath = get_pkgpath(db, info);
ret = _alpm_rmrf(pkgpath);
free(pkgpath);
if(ret != 0) {
ret = -1;
}
return ret;
}
static int local_db_version(pmdb_t *db)
{
struct dirent *ent = NULL;
const char *dbpath;
DIR *dbdir;
int version;
dbpath = _alpm_db_path(db);
if(dbpath == NULL) {
RET_ERR(PM_ERR_DB_OPEN, -1);
}
dbdir = opendir(dbpath);
if(dbdir == NULL) {
if(errno == ENOENT) {
/* database dir doesn't exist yet */
version = 2;
goto done;
} else {
RET_ERR(PM_ERR_DB_OPEN, -1);
}
}
while((ent = readdir(dbdir)) != NULL) {
const char *name = ent->d_name;
char path[PATH_MAX];
if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
continue;
}
if(!is_dir(dbpath, ent)) {
continue;
}
snprintf(path, PATH_MAX, "%s%s/depends", dbpath, name);
if(access(path, F_OK) == 0) {
/* we found a depends file- bail */
version = 1;
goto done;
}
}
/* we found no depends file after full scan */
version = 2;
done:
if(dbdir) {
closedir(dbdir);
}
_alpm_log(PM_LOG_DEBUG, "local database version %d\n", version);
return version;
}
struct db_operations local_db_ops = {
.populate = local_db_populate,
.unregister = _alpm_db_unregister,
.version = local_db_version,
};
pmdb_t *_alpm_db_register_local(void)
{
pmdb_t *db;
ALPM_LOG_FUNC;
_alpm_log(PM_LOG_DEBUG, "registering local database\n");
db = _alpm_db_new("local", 1);
if(db == NULL) {
RET_ERR(PM_ERR_DB_CREATE, NULL);
}
db->ops = &local_db_ops;
handle->db_local = db;
return db;
}
/* vim: set ts=2 sw=2 noet: */
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