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Merge branch 'alpm.c_cleanup' into frontend_config

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Conflicts:

	lib/libalpm/alpm.c
This commit is contained in:
Dan McGee 2007-06-04 23:32:38 -04:00
commit 26e3db423a
12 changed files with 889 additions and 913 deletions
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910
lib/libalpm/alpm.c
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@ -26,40 +26,17 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <string.h> #include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
#include <time.h>
#include <syslog.h>
#include <limits.h> /* PATH_MAX */ #include <limits.h> /* PATH_MAX */
#include <stdarg.h> #include <stdarg.h>
/* libalpm */ /* libalpm */
#include "alpm.h" #include "alpm.h"
#include "alpm_list.h" #include "alpm_list.h"
#include "log.h"
#include "error.h" #include "error.h"
#include "versioncmp.h"
#include "md5.h"
#include "sha1.h"
#include "package.h"
#include "group.h"
#include "util.h"
#include "db.h"
#include "cache.h"
#include "deps.h"
#include "conflict.h"
#include "backup.h"
#include "add.h"
#include "remove.h"
#include "sync.h"
#include "handle.h" #include "handle.h"
#include "provide.h" #include "util.h"
#include "server.h"
#define min(X, Y) ((X) < (Y) ? (X) : (Y)) #define min(X, Y) ((X) < (Y) ? (X) : (Y))
@ -119,891 +96,8 @@ int SYMEXPORT alpm_release()
/** @} */ /** @} */
/** \addtogroup alpm_databases Database Functions /** @defgroup alpm_misc Miscellaneous Functions
* @brief Functions to query and manipulate the database of libalpm
* @{
*/
/** Register a package database
* @param treename the name of the repository
* @return a pmdb_t* on success (the value), NULL on error
*/
pmdb_t SYMEXPORT *alpm_db_register(const char *treename)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, NULL));
ASSERT(treename != NULL && strlen(treename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, NULL));
/* Do not register a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL));
return(_alpm_db_register(treename));
}
/** Unregister a package database
* @param db pointer to the package database to unregister
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int alpm_db_unregister(pmdb_t *db)
{
int found = 0;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Do not unregister a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
if(db == handle->db_local) {
handle->db_local = NULL;
found = 1;
} else {
void *data;
handle->dbs_sync = alpm_list_remove(handle->dbs_sync, db, _alpm_db_cmp, &data);
if(data) {
found = 1;
}
}
if(!found) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
_alpm_log(PM_LOG_DEBUG, _("unregistering database '%s'"), db->treename);
/* Cleanup */
_alpm_db_free_pkgcache(db);
_alpm_log(PM_LOG_DEBUG, _("closing database '%s'"), db->treename);
_alpm_db_close(db);
_alpm_db_free(db);
return(0);
}
/** Set the serverlist of a database.
* @param db database pointer
* @param url url of the server
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_db_setserver(pmdb_t *db, const char *url)
{
int found = 0;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
if(strcmp(db->treename, "local") == 0) {
if(handle->db_local != NULL) {
found = 1;
}
} else {
alpm_list_t *i;
for(i = handle->dbs_sync; i && !found; i = i->next) {
pmdb_t *sdb = i->data;
if(strcmp(db->treename, sdb->treename) == 0) {
found = 1;
}
}
}
if(!found) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
if(url && strlen(url)) {
pmserver_t *server;
if((server = _alpm_server_new(url)) == NULL) {
/* pm_errno is set by _alpm_server_new */
return(-1);
}
db->servers = alpm_list_add(db->servers, server);
_alpm_log(PM_LOG_DEBUG, _("adding new server to database '%s': protocol '%s', server '%s', path '%s'"),
db->treename, server->s_url->scheme, server->s_url->host, server->s_url->doc);
} else {
FREELIST(db->servers);
_alpm_log(PM_LOG_DEBUG, _("serverlist flushed for '%s'"), db->treename);
}
return(0);
}
/** Update a package database
* @param force if true, then forces the update, otherwise update only in case
* the database isn't up to date
* @param db pointer to the package database to update
* @return 0 on success, > 0 on error (pm_errno is set accordingly), < 0 if up
* to date
*/
int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
{
alpm_list_t *lp;
char path[PATH_MAX];
alpm_list_t *files = NULL;
char newmtime[16] = "";
char lastupdate[16] = "";
const char *dbpath;
int ret;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL && db != handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Verify we are in a transaction. This is done _mainly_ because we need a DB
* lock - if we update without a db lock, we may kludge some other pacman
* process that _has_ a lock.
*/
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
ASSERT(handle->trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1));
if(!alpm_list_find(handle->dbs_sync, db)) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
if(!force) {
/* get the lastupdate time */
_alpm_db_getlastupdate(db, lastupdate);
if(strlen(lastupdate) == 0) {
_alpm_log(PM_LOG_DEBUG, _("failed to get lastupdate time for %s (no big deal)"), db->treename);
}
}
/* build a one-element list */
snprintf(path, PATH_MAX, "%s" DBEXT, db->treename);
files = alpm_list_add(files, strdup(path));
dbpath = alpm_option_get_dbpath();
ret = _alpm_downloadfiles_forreal(db->servers, dbpath, files, lastupdate, newmtime);
FREELIST(files);
if(ret == 1) {
/* mtimes match, do nothing */
pm_errno = 0;
return(1);
} else if(ret == -1) {
/* we use downloadLastErrString and downloadLastErrCode here, error returns from
* libdownload */
_alpm_log(PM_LOG_DEBUG, _("failed to sync db: %s [%d]"), downloadLastErrString, downloadLastErrCode);
RET_ERR(PM_ERR_DB_SYNC, -1);
} else {
if(strlen(newmtime)) {
_alpm_log(PM_LOG_DEBUG, _("sync: new mtime for %s: %s"), db->treename, newmtime);
_alpm_db_setlastupdate(db, newmtime);
}
snprintf(path, PATH_MAX, "%s%s" DBEXT, dbpath, db->treename);
/* remove the old dir */
_alpm_log(PM_LOG_DEBUG, _("flushing database %s%s"), db->path);
for(lp = _alpm_db_get_pkgcache(db); lp; lp = lp->next) {
pmpkg_t *pkg = lp->data;
if(pkg && _alpm_db_remove(db, pkg) == -1) {
_alpm_log(PM_LOG_ERROR, _("could not remove database entry %s%s"), db->treename,
alpm_pkg_get_name(pkg));
RET_ERR(PM_ERR_DB_REMOVE, -1);
}
}
/* Cache needs to be rebuild */
_alpm_db_free_pkgcache(db);
/* uncompress the sync database */
if(_alpm_db_install(db, path) == -1) {
return -1;
}
}
return(0);
}
/** Get a package entry from a package database
* @param db pointer to the package database to get the package from
* @param name of the package
* @return the package entry on success, NULL on error
*/
pmpkg_t SYMEXPORT *alpm_db_get_pkg(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_get_pkgfromcache(db, name));
}
/** Get the package cache of a package database
* @param db pointer to the package database to get the package from
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_getpkgcache(pmdb_t *db)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_get_pkgcache(db));
}
/** Get the list of packages that a package provides
* @param db pointer to the package database to get the package from
* @param name name of the package
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_whatprovides(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_whatprovides(db, name));
}
/** Get a group entry from a package database
* @param db pointer to the package database to get the group from
* @param name of the group
* @return the groups entry on success, NULL on error
*/
pmgrp_t SYMEXPORT *alpm_db_readgrp(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_get_grpfromcache(db, name));
}
/** Get the group cache of a package database
* @param db pointer to the package database to get the group from
* @return the list of groups on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_getgrpcache(pmdb_t *db)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_get_grpcache(db));
}
/** @} */
/** \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(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];
char *sha1sum = NULL;
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));
snprintf(path, PATH_MAX, "%s/%s-%s" PKGEXT, handle->cachedir,
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
sha1sum = _alpm_SHAFile(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];
char *md5sum = NULL;
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));
snprintf(path, PATH_MAX, "%s/%s-%s" PKGEXT, handle->cachedir,
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
md5sum = _alpm_MDFile(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);
}
/** 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(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);
}
/** @} */
/** \addtogroup alpm_sync Sync Functions
* @brief Functions to get informations about libalpm syncs
* @{
*/
/** Searches a database
* @param db pointer to the package database to search in
* @param needles the list of strings to search for
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_search(pmdb_t *db, alpm_list_t* needles)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_search(db, needles));
}
/** @} */
/** \addtogroup alpm_trans Transaction Functions
* @brief Functions to manipulate libalpm transactions
* @{
*/
/** Initialize the transaction.
* @param type type of the transaction
* @param flags flags of the transaction (like nodeps, etc)
* @param event event callback function pointer
* @param conv question callback function pointer
* @param progress progress callback function pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_init(pmtranstype_t type, pmtransflag_t flags,
alpm_trans_cb_event event, alpm_trans_cb_conv conv,
alpm_trans_cb_progress progress)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
/* lock db */
handle->lckfd = _alpm_lckmk();
if(handle->lckfd == -1) {
RET_ERR(PM_ERR_HANDLE_LOCK, -1);
}
handle->trans = _alpm_trans_new();
if(handle->trans == NULL) {
RET_ERR(PM_ERR_MEMORY, -1);
}
return(_alpm_trans_init(handle->trans, type, flags, event, conv, progress));
}
/** Search for packages to upgrade and add them to the transaction.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_sysupgrade()
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
ASSERT(trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1));
return(_alpm_trans_sysupgrade(trans));
}
/** Add a target to the transaction.
* @param target the name of the target to add
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_addtarget(char *target)
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
return(_alpm_trans_addtarget(trans, target));
}
/** Prepare a transaction.
* @param data the address of an alpm_list where detailed description
* of an error can be dumped (ie. list of conflicting files)
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_prepare(alpm_list_t **data)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
return(_alpm_trans_prepare(handle->trans, data));
}
/** Commit a transaction.
* @param data the address of an alpm_list where detailed description
* of an error can be dumped (ie. list of conflicting files)
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_commit(alpm_list_t **data)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_PREPARED, RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1));
/* Check for database R/W permission */
if(!(handle->trans->flags & PM_TRANS_FLAG_PRINTURIS)) {
/* The print-uris operation is a bit odd. So we explicitly check for it */
ASSERT(handle->access == PM_ACCESS_RW, RET_ERR(PM_ERR_BADPERMS, -1));
}
return(_alpm_trans_commit(handle->trans, data));
}
/** Release a transaction.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_release()
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state != STATE_IDLE, RET_ERR(PM_ERR_TRANS_NULL, -1));
/* during a commit do not interrupt immediately, just after a target */
if(trans->state == STATE_COMMITING || trans->state == STATE_INTERRUPTED) {
if(trans->state == STATE_COMMITING) {
trans->state = STATE_INTERRUPTED;
}
pm_errno = PM_ERR_TRANS_COMMITING;
return(-1);
}
_alpm_trans_free(trans);
handle->trans = NULL;
/* unlock db */
if(handle->lckfd != -1) {
close(handle->lckfd);
handle->lckfd = -1;
}
if(_alpm_lckrm()) {
_alpm_log(PM_LOG_WARNING, _("could not remove lock file %s"),
alpm_option_get_lockfile());
alpm_logaction(_("warning: could not remove lock file %s"),
alpm_option_get_lockfile());
}
return(0);
}
/** @} */
/** \addtogroup alpm_log Logging Functions
* @brief Functions to log using libalpm
* @{
*/
/** A printf-like function for logging.
* @param fmt output format
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_logaction(char *fmt, ...)
{
char str[LOG_STR_LEN];
va_list args;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
/* TODO We should add a prefix to log strings depending on who called us.
* If logaction was called by the frontend:
* USER: <the frontend log>
* and if called internally:
* ALPM: <the library log>
* Moreover, the frontend should be able to choose its prefix
* (USER by default?):
* pacman: "PACMAN"
* kpacman: "KPACMAN"
* This would allow us to share the log file between several frontends
* and know who does what */
return(_alpm_logaction(handle->usesyslog, handle->logfd, str));
}
/** @} */
/** \addtogroup alpm_misc Miscellaneous Functions
* @brief Various libalpm functions * @brief Various libalpm functions
* @{
*/ */
/** Get the md5 sum of file.
* @param name name of the file
* @return the checksum on success, NULL on error
*/
char SYMEXPORT *alpm_get_md5sum(char *name)
{
ALPM_LOG_FUNC;
ASSERT(name != NULL, return(NULL));
return(_alpm_MDFile(name));
}
/** Get the sha1 sum of file.
* @param name name of the file
* @return the checksum on success, NULL on error
*/
char SYMEXPORT *alpm_get_sha1sum(char *name)
{
ALPM_LOG_FUNC;
ASSERT(name != NULL, return(NULL));
return(_alpm_SHAFile(name));
}
/** Fetch a remote pkg.
* @param url
* @return the downloaded filename on success, NULL on error
*/
char SYMEXPORT *alpm_fetch_pkgurl(char *url)
{
ALPM_LOG_FUNC;
ASSERT(strstr(url, "://"), return(NULL));
return(_alpm_fetch_pkgurl(url));
}
/** @} */
/* This function is mostly the same as sync.c find_replacements and sysupgrade
* functions, and we should be able to combine them - this is an interim
* solution made for -Qu operation */
alpm_list_t SYMEXPORT *alpm_get_upgrades()
{
alpm_list_t *syncpkgs = NULL;
alpm_list_t *i, *j, *k, *m;
ALPM_LOG_FUNC;
/* TODO holy nested loops, Batman! */
/* check for "recommended" package replacements */
_alpm_log(PM_LOG_DEBUG, _("checking for package replacements"));
for(i = handle->dbs_sync; i; i = i->next) {
for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) {
pmpkg_t *spkg = j->data;
for(k = alpm_pkg_get_replaces(spkg); k; k = k->next) {
for(m = _alpm_db_get_pkgcache(handle->db_local); m; m = m->next) {
pmpkg_t *lpkg = m->data;
if(strcmp(k->data, alpm_pkg_get_name(lpkg)) == 0) {
_alpm_log(PM_LOG_DEBUG, _("checking replacement '%s' for package '%s'"), k->data,
alpm_pkg_get_name(spkg));
if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(lpkg))) {
_alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (to be replaced by %s-%s)"),
alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg),
alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg));
} else {
/* assume all replaces=() packages are accepted */
pmsyncpkg_t *sync = NULL;
pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(lpkg), NULL);
if(dummy == NULL) {
pm_errno = PM_ERR_MEMORY;
goto error;
}
dummy->requiredby = alpm_list_strdup(alpm_pkg_get_requiredby(lpkg));
pmsyncpkg_t *syncpkg;
syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(spkg));
if(syncpkg) {
/* found it -- just append to the replaces list */
sync->data = alpm_list_add(sync->data, dummy);
} else {
/* none found -- enter pkg into the final sync list */
sync = _alpm_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL);
if(sync == NULL) {
_alpm_pkg_free(dummy);
pm_errno = PM_ERR_MEMORY;
goto error;
}
sync->data = alpm_list_add(NULL, dummy);
syncpkgs = alpm_list_add(syncpkgs, sync);
}
_alpm_log(PM_LOG_DEBUG, _("%s-%s elected for upgrade (to be replaced by %s-%s)"),
alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg),
alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg));
}
break;
}
}
}
}
}
/* now do normal upgrades */
for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
int replace=0;
pmpkg_t *local = i->data;
pmpkg_t *spkg = NULL;
pmsyncpkg_t *sync;
for(j = handle->dbs_sync; !spkg && j; j = j->next) {
spkg = _alpm_db_get_pkgfromcache(j->data, alpm_pkg_get_name(local));
}
if(spkg == NULL) {
_alpm_log(PM_LOG_DEBUG, _("'%s' not found in sync db -- skipping"), alpm_pkg_get_name(local));
continue;
}
/* we don't care about a to-be-replaced package's newer version */
for(j = syncpkgs; j && !replace; j=j->next) {
sync = j->data;
if(sync->type == PM_SYNC_TYPE_REPLACE) {
if(_alpm_pkg_find(alpm_pkg_get_name(spkg), sync->data)) {
replace=1;
}
}
}
if(replace) {
_alpm_log(PM_LOG_DEBUG, _("'%s' is already elected for removal -- skipping"),
alpm_pkg_get_name(local));
continue;
}
if(alpm_pkg_compare_versions(local, spkg)) {
_alpm_log(PM_LOG_DEBUG, _("%s elected for upgrade (%s => %s)"),
alpm_pkg_get_name(local), alpm_pkg_get_version(local),
alpm_pkg_get_version(spkg));
pmsyncpkg_t *syncpkg;
syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(local));
if(!syncpkg) {
pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(local),
alpm_pkg_get_version(local));
if(dummy == NULL) {
goto error;
}
sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy);
if(sync == NULL) {
_alpm_pkg_free(dummy);
goto error;
}
syncpkgs = alpm_list_add(syncpkgs, sync);
}
}
}
return(syncpkgs);
error:
if(syncpkgs) {
alpm_list_t *tmp;
for(tmp = syncpkgs; tmp; tmp = alpm_list_next(tmp)) {
if(tmp->data) {
_alpm_sync_free(tmp->data);
}
}
alpm_list_free(syncpkgs);
}
return(NULL);
}
/* vim: set ts=2 sw=2 noet: */ /* vim: set ts=2 sw=2 noet: */

4
lib/libalpm/alpm.h
View File

@ -166,6 +166,8 @@ pmgrp_t *alpm_db_readgrp(pmdb_t *db, const char *name);
alpm_list_t *alpm_db_getgrpcache(pmdb_t *db); alpm_list_t *alpm_db_getgrpcache(pmdb_t *db);
alpm_list_t *alpm_db_search(pmdb_t *db, alpm_list_t* needles); alpm_list_t *alpm_db_search(pmdb_t *db, alpm_list_t* needles);
alpm_list_t *alpm_db_get_upgrades();
/* /*
* Packages * Packages
*/ */
@ -459,8 +461,6 @@ extern enum _pmerrno_t pm_errno;
char *alpm_strerror(int err); char *alpm_strerror(int err);
alpm_list_t *alpm_get_upgrades();
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

1
lib/libalpm/be_files.c
View File

@ -32,7 +32,6 @@
#endif #endif
#include <sys/stat.h> #include <sys/stat.h>
#include <dirent.h> #include <dirent.h>
#include <locale.h>
#ifdef CYGWIN #ifdef CYGWIN
#include <limits.h> /* PATH_MAX */ #include <limits.h> /* PATH_MAX */
#endif #endif

440
lib/libalpm/db.c
View File

@ -48,10 +48,450 @@
#include "util.h" #include "util.h"
#include "error.h" #include "error.h"
#include "server.h" #include "server.h"
#include "provide.h"
#include "handle.h" #include "handle.h"
#include "cache.h" #include "cache.h"
#include "alpm.h" #include "alpm.h"
#include "sync.h" /* alpm_db_get_upgrades() */
/** \addtogroup alpm_databases Database Functions
* @brief Functions to query and manipulate the database of libalpm
* @{
*/
/** Register a package database
* @param treename the name of the repository
* @return a pmdb_t* on success (the value), NULL on error
*/
pmdb_t SYMEXPORT *alpm_db_register(const char *treename)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, NULL));
ASSERT(treename != NULL && strlen(treename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, NULL));
/* Do not register a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL));
return(_alpm_db_register(treename));
}
/** Unregister a package database
* @param db pointer to the package database to unregister
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_db_unregister(pmdb_t *db)
{
int found = 0;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Do not unregister a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
if(db == handle->db_local) {
handle->db_local = NULL;
found = 1;
} else {
void *data;
handle->dbs_sync = alpm_list_remove(handle->dbs_sync, db, _alpm_db_cmp, &data);
if(data) {
found = 1;
}
}
if(!found) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
_alpm_log(PM_LOG_DEBUG, _("unregistering database '%s'"), db->treename);
/* Cleanup */
_alpm_db_free_pkgcache(db);
_alpm_log(PM_LOG_DEBUG, _("closing database '%s'"), db->treename);
_alpm_db_close(db);
_alpm_db_free(db);
return(0);
}
/** Set the serverlist of a database.
* @param db database pointer
* @param url url of the server
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_db_setserver(pmdb_t *db, const char *url)
{
int found = 0;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
if(strcmp(db->treename, "local") == 0) {
if(handle->db_local != NULL) {
found = 1;
}
} else {
alpm_list_t *i;
for(i = handle->dbs_sync; i && !found; i = i->next) {
pmdb_t *sdb = i->data;
if(strcmp(db->treename, sdb->treename) == 0) {
found = 1;
}
}
}
if(!found) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
if(url && strlen(url)) {
pmserver_t *server;
if((server = _alpm_server_new(url)) == NULL) {
/* pm_errno is set by _alpm_server_new */
return(-1);
}
db->servers = alpm_list_add(db->servers, server);
_alpm_log(PM_LOG_DEBUG, _("adding new server to database '%s': protocol '%s', server '%s', path '%s'"),
db->treename, server->s_url->scheme, server->s_url->host, server->s_url->doc);
} else {
FREELIST(db->servers);
_alpm_log(PM_LOG_DEBUG, _("serverlist flushed for '%s'"), db->treename);
}
return(0);
}
/** Update a package database
* @param force if true, then forces the update, otherwise update only in case
* the database isn't up to date
* @param db pointer to the package database to update
* @return 0 on success, > 0 on error (pm_errno is set accordingly), < 0 if up
* to date
*/
int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
{
alpm_list_t *lp;
char path[PATH_MAX];
alpm_list_t *files = NULL;
char newmtime[16] = "";
char lastupdate[16] = "";
const char *dbpath;
int ret;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL && db != handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Verify we are in a transaction. This is done _mainly_ because we need a DB
* lock - if we update without a db lock, we may kludge some other pacman
* process that _has_ a lock.
*/
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
ASSERT(handle->trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1));
if(!alpm_list_find(handle->dbs_sync, db)) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
if(!force) {
/* get the lastupdate time */
_alpm_db_getlastupdate(db, lastupdate);
if(strlen(lastupdate) == 0) {
_alpm_log(PM_LOG_DEBUG, _("failed to get lastupdate time for %s (no big deal)"), db->treename);
}
}
/* build a one-element list */
snprintf(path, PATH_MAX, "%s" DBEXT, db->treename);
files = alpm_list_add(files, strdup(path));
dbpath = alpm_option_get_dbpath();
ret = _alpm_downloadfiles_forreal(db->servers, dbpath, files, lastupdate, newmtime);
FREELIST(files);
if(ret == 1) {
/* mtimes match, do nothing */
pm_errno = 0;
return(1);
} else if(ret == -1) {
/* we use downloadLastErrString and downloadLastErrCode here, error returns from
* libdownload */
_alpm_log(PM_LOG_DEBUG, _("failed to sync db: %s [%d]"), downloadLastErrString, downloadLastErrCode);
RET_ERR(PM_ERR_DB_SYNC, -1);
} else {
if(strlen(newmtime)) {
_alpm_log(PM_LOG_DEBUG, _("sync: new mtime for %s: %s"), db->treename, newmtime);
_alpm_db_setlastupdate(db, newmtime);
}
snprintf(path, PATH_MAX, "%s%s" DBEXT, dbpath, db->treename);
/* remove the old dir */
_alpm_log(PM_LOG_DEBUG, _("flushing database %s%s"), db->path);
for(lp = _alpm_db_get_pkgcache(db); lp; lp = lp->next) {
pmpkg_t *pkg = lp->data;
if(pkg && _alpm_db_remove(db, pkg) == -1) {
_alpm_log(PM_LOG_ERROR, _("could not remove database entry %s%s"), db->treename,
alpm_pkg_get_name(pkg));
RET_ERR(PM_ERR_DB_REMOVE, -1);
}
}
/* Cache needs to be rebuild */
_alpm_db_free_pkgcache(db);
/* uncompress the sync database */
if(_alpm_db_install(db, path) == -1) {
return -1;
}
}
return(0);
}
/** Get a package entry from a package database
* @param db pointer to the package database to get the package from
* @param name of the package
* @return the package entry on success, NULL on error
*/
pmpkg_t SYMEXPORT *alpm_db_get_pkg(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_get_pkgfromcache(db, name));
}
/** Get the package cache of a package database
* @param db pointer to the package database to get the package from
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_getpkgcache(pmdb_t *db)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_get_pkgcache(db));
}
/** Get the list of packages that a package provides
* @param db pointer to the package database to get the package from
* @param name name of the package
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_whatprovides(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_whatprovides(db, name));
}
/** Get a group entry from a package database
* @param db pointer to the package database to get the group from
* @param name of the group
* @return the groups entry on success, NULL on error
*/
pmgrp_t SYMEXPORT *alpm_db_readgrp(pmdb_t *db, const char *name)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
ASSERT(name != NULL && strlen(name) != 0, return(NULL));
return(_alpm_db_get_grpfromcache(db, name));
}
/** Get the group cache of a package database
* @param db pointer to the package database to get the group from
* @return the list of groups on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_getgrpcache(pmdb_t *db)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_get_grpcache(db));
}
/** Searches a database
* @param db pointer to the package database to search in
* @param needles the list of strings to search for
* @return the list of packages on success, NULL on error
*/
alpm_list_t SYMEXPORT *alpm_db_search(pmdb_t *db, alpm_list_t* needles)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, return(NULL));
ASSERT(db != NULL, return(NULL));
return(_alpm_db_search(db, needles));
}
/* This function is mostly the same as sync.c find_replacements and sysupgrade
* functions, and we should be able to combine them - this is an interim
* solution made for -Qu operation */
alpm_list_t SYMEXPORT *alpm_db_get_upgrades()
{
alpm_list_t *syncpkgs = NULL;
alpm_list_t *i, *j, *k, *m;
ALPM_LOG_FUNC;
/* TODO holy nested loops, Batman! */
/* check for "recommended" package replacements */
_alpm_log(PM_LOG_DEBUG, _("checking for package replacements"));
for(i = handle->dbs_sync; i; i = i->next) {
for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) {
pmpkg_t *spkg = j->data;
for(k = alpm_pkg_get_replaces(spkg); k; k = k->next) {
for(m = _alpm_db_get_pkgcache(handle->db_local); m; m = m->next) {
pmpkg_t *lpkg = m->data;
if(strcmp(k->data, alpm_pkg_get_name(lpkg)) == 0) {
_alpm_log(PM_LOG_DEBUG, _("checking replacement '%s' for package '%s'"), k->data,
alpm_pkg_get_name(spkg));
if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(lpkg))) {
_alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (to be replaced by %s-%s)"),
alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg),
alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg));
} else {
/* assume all replaces=() packages are accepted */
pmsyncpkg_t *sync = NULL;
pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(lpkg), NULL);
if(dummy == NULL) {
pm_errno = PM_ERR_MEMORY;
goto error;
}
dummy->requiredby = alpm_list_strdup(alpm_pkg_get_requiredby(lpkg));
pmsyncpkg_t *syncpkg;
syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(spkg));
if(syncpkg) {
/* found it -- just append to the replaces list */
sync->data = alpm_list_add(sync->data, dummy);
} else {
/* none found -- enter pkg into the final sync list */
sync = _alpm_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL);
if(sync == NULL) {
_alpm_pkg_free(dummy);
pm_errno = PM_ERR_MEMORY;
goto error;
}
sync->data = alpm_list_add(NULL, dummy);
syncpkgs = alpm_list_add(syncpkgs, sync);
}
_alpm_log(PM_LOG_DEBUG, _("%s-%s elected for upgrade (to be replaced by %s-%s)"),
alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg),
alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg));
}
break;
}
}
}
}
}
/* now do normal upgrades */
for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
int replace=0;
pmpkg_t *local = i->data;
pmpkg_t *spkg = NULL;
pmsyncpkg_t *sync;
for(j = handle->dbs_sync; !spkg && j; j = j->next) {
spkg = _alpm_db_get_pkgfromcache(j->data, alpm_pkg_get_name(local));
}
if(spkg == NULL) {
_alpm_log(PM_LOG_DEBUG, _("'%s' not found in sync db -- skipping"), alpm_pkg_get_name(local));
continue;
}
/* we don't care about a to-be-replaced package's newer version */
for(j = syncpkgs; j && !replace; j=j->next) {
sync = j->data;
if(sync->type == PM_SYNC_TYPE_REPLACE) {
if(_alpm_pkg_find(alpm_pkg_get_name(spkg), sync->data)) {
replace=1;
}
}
}
if(replace) {
_alpm_log(PM_LOG_DEBUG, _("'%s' is already elected for removal -- skipping"),
alpm_pkg_get_name(local));
continue;
}
if(alpm_pkg_compare_versions(local, spkg)) {
_alpm_log(PM_LOG_DEBUG, _("%s elected for upgrade (%s => %s)"),
alpm_pkg_get_name(local), alpm_pkg_get_version(local),
alpm_pkg_get_version(spkg));
pmsyncpkg_t *syncpkg;
syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(local));
if(!syncpkg) {
pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(local),
alpm_pkg_get_version(local));
if(dummy == NULL) {
goto error;
}
sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy);
if(sync == NULL) {
_alpm_pkg_free(dummy);
goto error;
}
syncpkgs = alpm_list_add(syncpkgs, sync);
}
}
}
return(syncpkgs);
error:
if(syncpkgs) {
alpm_list_t *tmp;
for(tmp = syncpkgs; tmp; tmp = alpm_list_next(tmp)) {
if(tmp->data) {
_alpm_sync_free(tmp->data);
}
}
alpm_list_free(syncpkgs);
}
return(NULL);
}
/** @} */
pmdb_t *_alpm_db_new(const char *dbpath, const char *treename) pmdb_t *_alpm_db_new(const char *dbpath, const char *treename)
{ {
pmdb_t *db; pmdb_t *db;

1
lib/libalpm/handle.h
View File

@ -22,6 +22,7 @@
#define _ALPM_HANDLE_H #define _ALPM_HANDLE_H
#include <stdio.h> #include <stdio.h>
#include <sys/types.h>
#include "alpm_list.h" #include "alpm_list.h"
#include "db.h" #include "db.h"

42
lib/libalpm/log.c
View File

@ -27,8 +27,50 @@
/* libalpm */ /* libalpm */
#include "log.h" #include "log.h"
#include "handle.h"
#include "util.h"
#include "error.h"
#include "alpm.h" #include "alpm.h"
/** \addtogroup alpm_log Logging Functions
* @brief Functions to log using libalpm
* @{
*/
/** A printf-like function for logging.
* @param fmt output format
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_logaction(char *fmt, ...)
{
char str[LOG_STR_LEN];
va_list args;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
/* TODO We should add a prefix to log strings depending on who called us.
* If logaction was called by the frontend:
* USER: <the frontend log>
* and if called internally:
* ALPM: <the library log>
* Moreover, the frontend should be able to choose its prefix
* (USER by default?):
* pacman: "PACMAN"
* kpacman: "KPACMAN"
* This would allow us to share the log file between several frontends
* and know who does what */
return(_alpm_logaction(handle->usesyslog, handle->logfd, str));
}
/** @} */
void _alpm_log(pmloglevel_t flag, char *fmt, ...) void _alpm_log(pmloglevel_t flag, char *fmt, ...)
{ {
alpm_cb_log logcb = alpm_option_get_logcb(); alpm_cb_log logcb = alpm_option_get_logcb();

14
lib/libalpm/md5driver.c
View File

@ -41,6 +41,20 @@ documentation and/or software.
#define MDUpdate _alpm_MD5Update #define MDUpdate _alpm_MD5Update
#define MDFinal _alpm_MD5Final #define MDFinal _alpm_MD5Final
/** Get the md5 sum of file.
* @param name name of the file
* @return the checksum on success, NULL on error
* @addtogroup alpm_misc
*/
char SYMEXPORT *alpm_get_md5sum(char *name)
{
ALPM_LOG_FUNC;
ASSERT(name != NULL, return(NULL));
return(_alpm_MDFile(name));
}
char* _alpm_MDFile(char *filename) char* _alpm_MDFile(char *filename)
{ {
FILE *file; FILE *file;

195
lib/libalpm/package.c
View File

@ -28,7 +28,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <limits.h> #include <limits.h>
#include <string.h> #include <string.h>
#include <locale.h> #include <ctype.h>
#include <errno.h> #include <errno.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
@ -51,6 +51,199 @@
#include "versioncmp.h" #include "versioncmp.h"
#include "alpm.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(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];
char *sha1sum = NULL;
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));
snprintf(path, PATH_MAX, "%s/%s-%s" PKGEXT, handle->cachedir,
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
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];
char *md5sum = NULL;
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));
snprintf(path, PATH_MAX, "%s/%s-%s" PKGEXT, handle->cachedir,
alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
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);
}
/** 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(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 *_alpm_pkg_new(const char *name, const char *version)
{ {
pmpkg_t* pkg; pmpkg_t* pkg;

14
lib/libalpm/server.c
View File

@ -42,6 +42,20 @@
#include "log.h" #include "log.h"
#include "package.h" #include "package.h"
/** Fetch a remote pkg.
* @param url
* @return the downloaded filename on success, NULL on error
* @addtogroup alpm_misc
*/
char SYMEXPORT *alpm_fetch_pkgurl(char *url)
{
ALPM_LOG_FUNC;
ASSERT(strstr(url, "://"), return(NULL));
return(_alpm_fetch_pkgurl(url));
}
pmserver_t *_alpm_server_new(const char *url) pmserver_t *_alpm_server_new(const char *url)
{ {
struct url *u; struct url *u;

13
lib/libalpm/sha1.c
View File

@ -381,6 +381,19 @@ These notices must be retained in any copies of any part of this
documentation and/or software. documentation and/or software.
*/ */
/** Get the sha1 sum of file.
* @param name name of the file
* @return the checksum on success, NULL on error
* @addtogroup alpm_misc
*/
char SYMEXPORT *alpm_get_sha1sum(char *name)
{
ALPM_LOG_FUNC;
ASSERT(name != NULL, return(NULL));
return(_alpm_SHAFile(name));
}
char* _alpm_SHAFile(char *filename) { char* _alpm_SHAFile(char *filename) {
FILE *file; FILE *file;

166
lib/libalpm/trans.c
View File

@ -53,6 +53,172 @@
#include "cache.h" #include "cache.h"
#include "provide.h" #include "provide.h"
/** \addtogroup alpm_trans Transaction Functions
* @brief Functions to manipulate libalpm transactions
* @{
*/
/** Initialize the transaction.
* @param type type of the transaction
* @param flags flags of the transaction (like nodeps, etc)
* @param event event callback function pointer
* @param conv question callback function pointer
* @param progress progress callback function pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_init(pmtranstype_t type, pmtransflag_t flags,
alpm_trans_cb_event event, alpm_trans_cb_conv conv,
alpm_trans_cb_progress progress)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
/* lock db */
handle->lckfd = _alpm_lckmk();
if(handle->lckfd == -1) {
RET_ERR(PM_ERR_HANDLE_LOCK, -1);
}
handle->trans = _alpm_trans_new();
if(handle->trans == NULL) {
RET_ERR(PM_ERR_MEMORY, -1);
}
return(_alpm_trans_init(handle->trans, type, flags, event, conv, progress));
}
/** Search for packages to upgrade and add them to the transaction.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_sysupgrade()
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
ASSERT(trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1));
return(_alpm_trans_sysupgrade(trans));
}
/** Add a target to the transaction.
* @param target the name of the target to add
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_addtarget(char *target)
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
return(_alpm_trans_addtarget(trans, target));
}
/** Prepare a transaction.
* @param data the address of an alpm_list where detailed description
* of an error can be dumped (ie. list of conflicting files)
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_prepare(alpm_list_t **data)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
return(_alpm_trans_prepare(handle->trans, data));
}
/** Commit a transaction.
* @param data the address of an alpm_list where detailed description
* of an error can be dumped (ie. list of conflicting files)
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_commit(alpm_list_t **data)
{
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_PREPARED, RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1));
/* Check for database R/W permission */
if(!(handle->trans->flags & PM_TRANS_FLAG_PRINTURIS)) {
/* The print-uris operation is a bit odd. So we explicitly check for it */
ASSERT(handle->access == PM_ACCESS_RW, RET_ERR(PM_ERR_BADPERMS, -1));
}
return(_alpm_trans_commit(handle->trans, data));
}
/** Release a transaction.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_trans_release()
{
pmtrans_t *trans;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(trans->state != STATE_IDLE, RET_ERR(PM_ERR_TRANS_NULL, -1));
/* during a commit do not interrupt immediately, just after a target */
if(trans->state == STATE_COMMITING || trans->state == STATE_INTERRUPTED) {
if(trans->state == STATE_COMMITING) {
trans->state = STATE_INTERRUPTED;
}
pm_errno = PM_ERR_TRANS_COMMITING;
return(-1);
}
_alpm_trans_free(trans);
handle->trans = NULL;
/* unlock db */
if(handle->lckfd != -1) {
close(handle->lckfd);
handle->lckfd = -1;
}
if(_alpm_lckrm()) {
_alpm_log(PM_LOG_WARNING, _("could not remove lock file %s"),
alpm_option_get_lockfile());
alpm_logaction(_("warning: could not remove lock file %s"),
alpm_option_get_lockfile());
}
return(0);
}
/** @} */
pmtrans_t *_alpm_trans_new() pmtrans_t *_alpm_trans_new()
{ {
pmtrans_t *trans; pmtrans_t *trans;

2
src/pacman/query.c
View File

@ -270,7 +270,7 @@ int pacman_query(alpm_list_t *targets)
printf(_("Checking for package upgrades...")); printf(_("Checking for package upgrades..."));
alpm_list_t *syncpkgs; alpm_list_t *syncpkgs;
if((syncpkgs = alpm_get_upgrades()) != NULL) { if((syncpkgs = alpm_db_get_upgrades()) != NULL) {
display_targets(syncpkgs); display_targets(syncpkgs);
return(0); return(0);
} else { } else {