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Diffstat (limited to 'lib/libalpm/be_local.c')
-rw-r--r--lib/libalpm/be_local.c264
1 files changed, 171 insertions, 93 deletions
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 56cf38bb..30e59d00 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -1,7 +1,7 @@
/*
* be_local.c : backend for the local database
*
- * Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
+ * Copyright (c) 2006-2012 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
@@ -18,8 +18,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
-
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
@@ -28,7 +26,6 @@
#include <stdint.h> /* intmax_t */
#include <sys/stat.h>
#include <dirent.h>
-#include <time.h>
#include <limits.h> /* PATH_MAX */
/* libalpm */
@@ -69,13 +66,13 @@ static const char *_cache_get_url(alpm_pkg_t *pkg)
return pkg->url;
}
-static time_t _cache_get_builddate(alpm_pkg_t *pkg)
+static alpm_time_t _cache_get_builddate(alpm_pkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->builddate;
}
-static time_t _cache_get_installdate(alpm_pkg_t *pkg)
+static alpm_time_t _cache_get_installdate(alpm_pkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->installdate;
@@ -105,6 +102,12 @@ static alpm_pkgreason_t _cache_get_reason(alpm_pkg_t *pkg)
return pkg->reason;
}
+static alpm_pkgvalidation_t _cache_get_validation(alpm_pkg_t *pkg)
+{
+ LAZY_LOAD(INFRQ_DESC, -1);
+ return pkg->validation;
+}
+
static alpm_list_t *_cache_get_licenses(alpm_pkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
@@ -226,6 +229,7 @@ static struct pkg_operations local_pkg_ops = {
.get_arch = _cache_get_arch,
.get_isize = _cache_get_isize,
.get_reason = _cache_get_reason,
+ .get_validation = _cache_get_validation,
.has_scriptlet = _cache_has_scriptlet,
.get_licenses = _cache_get_licenses,
.get_groups = _cache_get_groups,
@@ -401,12 +405,11 @@ static int local_db_populate(alpm_db_t *db)
rewinddir(dbdir);
}
if(est_count >= 2) {
- /* subtract the two extra pointers to get # of children */
+ /* subtract the '.' and '..' pointers to get # of children */
est_count -= 2;
}
- /* initialize hash at 50% full */
- db->pkgcache = _alpm_pkghash_create(est_count * 2);
+ db->pkgcache = _alpm_pkghash_create(est_count);
if(db->pkgcache == NULL){
closedir(dbdir);
RET_ERR(db->handle, ALPM_ERR_MEMORY, -1);
@@ -445,7 +448,7 @@ static int local_db_populate(alpm_db_t *db)
continue;
}
- pkg->origin = PKG_FROM_LOCALDB;
+ pkg->origin = ALPM_PKG_FROM_LOCALDB;
pkg->origin_data.db = db;
pkg->ops = &local_pkg_ops;
pkg->handle = db->handle;
@@ -475,7 +478,8 @@ static int local_db_populate(alpm_db_t *db)
}
/* Note: the return value must be freed by the caller */
-char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, const char *filename)
+char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info,
+ const char *filename)
{
size_t len;
char *pkgpath;
@@ -522,7 +526,6 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
{
FILE *fp = NULL;
char line[1024];
- char *pkgpath;
alpm_db_t *db = info->origin_data.db;
/* bitmask logic here:
@@ -541,18 +544,10 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
return -1;
}
- _alpm_log(db->handle, ALPM_LOG_FUNCTION, "loading package data for %s : level=0x%x\n",
+ _alpm_log(db->handle, ALPM_LOG_FUNCTION,
+ "loading package data for %s : level=0x%x\n",
info->name, inforeq);
- pkgpath = _alpm_local_db_pkgpath(db, info, NULL);
- if(!pkgpath || access(pkgpath, F_OK)) {
- /* directory doesn't exist or can't be opened */
- _alpm_log(db->handle, ALPM_LOG_DEBUG, "cannot find '%s-%s' in db '%s'\n",
- info->name, info->version, db->treename);
- goto error;
- }
- free(pkgpath);
-
/* clear out 'line', to be certain - and to make valgrind happy */
memset(line, 0, sizeof(line));
@@ -606,6 +601,26 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
} else if(strcmp(line, "%REASON%") == 0) {
READ_NEXT();
info->reason = (alpm_pkgreason_t)atoi(line);
+ } else if(strcmp(line, "%VALIDATION%") == 0) {
+ alpm_list_t *i, *v = NULL;
+ READ_AND_STORE_ALL(v);
+ for(i = v; i; i = alpm_list_next(i))
+ {
+ if(strcmp(i->data, "none") == 0) {
+ info->validation |= ALPM_PKG_VALIDATION_NONE;
+ } else if(strcmp(i->data, "md5") == 0) {
+ info->validation |= ALPM_PKG_VALIDATION_MD5SUM;
+ } else if(strcmp(i->data, "sha256") == 0) {
+ info->validation |= ALPM_PKG_VALIDATION_SHA256SUM;
+ } else if(strcmp(i->data, "pgp") == 0) {
+ info->validation |= ALPM_PKG_VALIDATION_SIGNATURE;
+ } else {
+ _alpm_log(db->handle, ALPM_LOG_WARNING,
+ _("unknown validation type for package %s: %s\n"),
+ info->name, (const char *)i->data);
+ }
+ }
+ FREELIST(v);
} else if(strcmp(line, "%SIZE%") == 0) {
READ_NEXT();
info->isize = _alpm_strtoofft(line);
@@ -614,7 +629,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
} else if(strcmp(line, "%DEPENDS%") == 0) {
READ_AND_SPLITDEP(info->depends);
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
- READ_AND_STORE_ALL(info->optdepends);
+ READ_AND_SPLITDEP(info->optdepends);
} else if(strcmp(line, "%CONFLICTS%") == 0) {
READ_AND_SPLITDEP(info->conflicts);
} else if(strcmp(line, "%PROVIDES%") == 0) {
@@ -638,10 +653,11 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
while(fgets(line, sizeof(line), fp)) {
_alpm_strip_newline(line);
if(strcmp(line, "%FILES%") == 0) {
- size_t files_count = 0, files_size = 0;
+ size_t files_count = 0, files_size = 0, len;
alpm_file_t *files = NULL;
- while(fgets(line, sizeof(line), fp) && _alpm_strip_newline(line)) {
+ while(fgets(line, sizeof(line), fp) &&
+ (len = _alpm_strip_newline(line))) {
if(files_count >= files_size) {
size_t old_size = files_size;
if(files_size == 0) {
@@ -651,7 +667,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
}
files = realloc(files, sizeof(alpm_file_t) * files_size);
if(!files) {
- ALLOC_FAIL(sizeof(alpm_file_t) * files_size);
+ _alpm_alloc_fail(sizeof(alpm_file_t) * files_size);
goto error;
}
/* ensure all new memory is zeroed out, in both the initial
@@ -659,8 +675,15 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
memset(files + old_size, 0,
sizeof(alpm_file_t) * (files_size - old_size));
}
- STRDUP(files[files_count].name, line, goto error);
- /* TODO: lstat file, get mode/size */
+ /* since we know the length of the file string already,
+ * we can do malloc + memcpy rather than strdup */
+ len += 1;
+ files[files_count].name = malloc(len);
+ if(files[files_count].name == NULL) {
+ _alpm_alloc_fail(len);
+ goto error;
+ }
+ memcpy(files[files_count].name, line, len);
files_count++;
}
/* attempt to hand back any memory we don't need */
@@ -727,6 +750,23 @@ int _alpm_local_db_prepare(alpm_db_t *db, alpm_pkg_t *info)
return retval;
}
+static void write_deps(FILE *fp, const char *header, alpm_list_t *deplist)
+{
+ alpm_list_t *lp;
+ if(!deplist) {
+ return;
+ }
+ fputs(header, fp);
+ fputc('\n', fp);
+ for(lp = deplist; lp; lp = lp->next) {
+ char *depstring = alpm_dep_compute_string(lp->data);
+ fputs(depstring, fp);
+ fputc('\n', fp);
+ free(depstring);
+ }
+ fputc('\n', fp);
+}
+
int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
{
FILE *fp = NULL;
@@ -744,7 +784,8 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
/* DESC */
if(inforeq & INFRQ_DESC) {
char *path;
- _alpm_log(db->handle, ALPM_LOG_DEBUG, "writing %s-%s DESC information back to db\n",
+ _alpm_log(db->handle, ALPM_LOG_DEBUG,
+ "writing %s-%s DESC information back to db\n",
info->name, info->version);
path = _alpm_local_db_pkgpath(db, info, "desc");
if(!path || (fp = fopen(path, "w")) == NULL) {
@@ -761,44 +802,21 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
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) {
- char *depstring = alpm_dep_compute_string(lp->data);
- fprintf(fp, "%s\n", depstring);
- free(depstring);
- }
- 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);
+ "%jd\n\n", (intmax_t)info->builddate);
}
if(info->installdate) {
fprintf(fp, "%%INSTALLDATE%%\n"
- "%ld\n\n", info->installdate);
+ "%jd\n\n", (intmax_t)info->installdate);
}
if(info->packager) {
fprintf(fp, "%%PACKAGER%%\n"
@@ -813,41 +831,45 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
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);
+ if(info->groups) {
+ fputs("%GROUPS%\n", fp);
+ for(lp = info->groups; lp; lp = lp->next) {
+ fputs(lp->data, fp);
+ fputc('\n', fp);
+ }
+ fputc('\n', fp);
+ }
+ if(info->licenses) {
+ fputs("%LICENSE%\n", fp);
+ for(lp = info->licenses; lp; lp = lp->next) {
+ fputs(lp->data, fp);
+ fputc('\n', fp);
}
- fprintf(fp, "\n");
+ fputc('\n', fp);
}
- if(info->optdepends) {
- fputs("%OPTDEPENDS%\n", fp);
- for(lp = info->optdepends; lp; lp = lp->next) {
- fprintf(fp, "%s\n", (char *)lp->data);
+ if(info->validation) {
+ fputs("%VALIDATION%\n", fp);
+ if(info->validation & ALPM_PKG_VALIDATION_NONE) {
+ fputs("none\n", fp);
}
- fprintf(fp, "\n");
- }
- if(info->conflicts) {
- fputs("%CONFLICTS%\n", fp);
- for(lp = info->conflicts; lp; lp = lp->next) {
- char *depstring = alpm_dep_compute_string(lp->data);
- fprintf(fp, "%s\n", depstring);
- free(depstring);
+ if(info->validation & ALPM_PKG_VALIDATION_MD5SUM) {
+ fputs("md5\n", fp);
}
- fprintf(fp, "\n");
- }
- if(info->provides) {
- fputs("%PROVIDES%\n", fp);
- for(lp = info->provides; lp; lp = lp->next) {
- char *depstring = alpm_dep_compute_string(lp->data);
- fprintf(fp, "%s\n", depstring);
- free(depstring);
+ if(info->validation & ALPM_PKG_VALIDATION_SHA256SUM) {
+ fputs("sha256\n", fp);
}
- fprintf(fp, "\n");
+ if(info->validation & ALPM_PKG_VALIDATION_SIGNATURE) {
+ fputs("pgp\n", fp);
+ }
+ fputc('\n', fp);
}
+ write_deps(fp, "%REPLACES%", info->replaces);
+ write_deps(fp, "%DEPENDS%", info->depends);
+ write_deps(fp, "%OPTDEPENDS%", info->optdepends);
+ write_deps(fp, "%CONFLICTS%", info->conflicts);
+ write_deps(fp, "%PROVIDES%", info->provides);
+
fclose(fp);
fp = NULL;
}
@@ -855,7 +877,8 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
/* FILES */
if(inforeq & INFRQ_FILES) {
char *path;
- _alpm_log(db->handle, ALPM_LOG_DEBUG, "writing %s-%s FILES information back to db\n",
+ _alpm_log(db->handle, ALPM_LOG_DEBUG,
+ "writing %s-%s FILES information back to db\n",
info->name, info->version);
path = _alpm_local_db_pkgpath(db, info, "files");
if(!path || (fp = fopen(path, "w")) == NULL) {
@@ -868,20 +891,21 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
free(path);
if(info->files.count) {
size_t i;
- fprintf(fp, "%%FILES%%\n");
+ fputs("%FILES%\n", fp);
for(i = 0; i < info->files.count; i++) {
const alpm_file_t *file = info->files.files + i;
- fprintf(fp, "%s\n", file->name);
+ fputs(file->name, fp);
+ fputc('\n', fp);
}
- fprintf(fp, "\n");
+ fputc('\n', fp);
}
if(info->backup) {
- fprintf(fp, "%%BACKUP%%\n");
+ fputs("%BACKUP%\n", fp);
for(lp = info->backup; lp; lp = lp->next) {
const alpm_backup_t *backup = lp->data;
fprintf(fp, "%s\t%s\n", backup->name, backup->hash);
}
- fprintf(fp, "\n");
+ fputc('\n', fp);
}
fclose(fp);
fp = NULL;
@@ -903,17 +927,71 @@ cleanup:
int _alpm_local_db_remove(alpm_db_t *db, alpm_pkg_t *info)
{
int ret = 0;
- char *pkgpath = _alpm_local_db_pkgpath(db, info, NULL);
+ DIR *dirp;
+ struct dirent *dp;
+ char *pkgpath;
+ size_t pkgpath_len;
- /* TODO explicit file removes and then an rmdir? */
- ret = _alpm_rmrf(pkgpath);
- free(pkgpath);
- if(ret != 0) {
+ pkgpath = _alpm_local_db_pkgpath(db, info, NULL);
+ if(!pkgpath) {
+ return -1;
+ }
+ pkgpath_len = strlen(pkgpath);
+
+ dirp = opendir(pkgpath);
+ if(!dirp) {
+ return -1;
+ }
+ /* go through the local DB entry, removing the files within, which we know
+ * are not nested directories of any kind. */
+ for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
+ if(strcmp(dp->d_name, "..") != 0 && strcmp(dp->d_name, ".") != 0) {
+ char name[PATH_MAX];
+ if(pkgpath_len + strlen(dp->d_name) + 2 > PATH_MAX) {
+ /* file path is too long to remove, hmm. */
+ ret = -1;
+ } else {
+ sprintf(name, "%s/%s", pkgpath, dp->d_name);
+ if(unlink(name)) {
+ ret = -1;
+ }
+ }
+ }
+ }
+ closedir(dirp);
+
+ /* after removing all enclosed files, we can remove the directory itself. */
+ if(rmdir(pkgpath)) {
ret = -1;
}
+ free(pkgpath);
return ret;
}
+int SYMEXPORT alpm_pkg_set_reason(alpm_pkg_t *pkg, alpm_pkgreason_t reason)
+{
+ ASSERT(pkg != NULL, return -1);
+ ASSERT(pkg->origin == ALPM_PKG_FROM_LOCALDB,
+ RET_ERR(pkg->handle, ALPM_ERR_WRONG_ARGS, -1));
+ ASSERT(pkg->origin_data.db == pkg->handle->db_local,
+ RET_ERR(pkg->handle, ALPM_ERR_WRONG_ARGS, -1));
+
+ _alpm_log(pkg->handle, ALPM_LOG_DEBUG,
+ "setting install reason %u for %s\n", reason, pkg->name);
+ if(alpm_pkg_get_reason(pkg) == reason) {
+ /* we are done */
+ return 0;
+ }
+ /* set reason (in pkgcache) */
+ pkg->reason = reason;
+ /* write DESC */
+ if(_alpm_local_db_write(pkg->handle->db_local, pkg, INFRQ_DESC)) {
+ RET_ERR(pkg->handle, ALPM_ERR_DB_WRITE, -1);
+ }
+
+ return 0;
+}
+
struct db_operations local_db_ops = {
.validate = local_db_validate,
.populate = local_db_populate,

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.