Initial revision

1 files changed, 577 insertions, 0 deletions

diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c
new file mode 100644
index 00000000..23528ae4
--- /dev/null
+++ b/lib/libalpm/alpm.c
@@ -0,0 +1,577 @@
+/*
+ *  alpm.c
+ * 
+ *  Copyright (c) 2002 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+ *  USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <time.h>
+#include <syslog.h>
+#include <limits.h> /* PATH_MAX */
+#include <stdarg.h>
+/* pacman */
+#include "log.h"
+#include "error.h"
+#include "rpmvercmp.h"
+#include "md5.h"
+#include "list.h"
+#include "package.h"
+#include "group.h"
+#include "util.h"
+#include "db.h"
+#include "cache.h"
+#include "deps.h"
+#include "backup.h"
+#include "add.h"
+#include "remove.h"
+#include "sync.h"
+#include "handle.h"
+#include "alpm.h"
+
+pmhandle_t *handle = NULL;
+
+enum __pmerrno_t pm_errno;
+
+/*
+ * Library
+ */
+
+int alpm_initialize(char *root)
+{
+	char str[PATH_MAX];
+
+	ASSERT(handle == NULL, PM_RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1));
+
+	handle = handle_new();
+
+	/* lock db */
+	if(handle->access == PM_ACCESS_RW) {
+		if(_alpm_lckmk(PACLOCK) == -1) {
+			FREE(handle);
+			PM_RET_ERR(PM_ERR_HANDLE_LOCK, -1);
+		}
+	}
+
+	strncpy(str, (root) ? root : PACROOT, PATH_MAX);
+	/* add a trailing '/' if there isn't one */
+	if(str[strlen(str)-1] != '/') {
+		strcat(str, "/");
+	}
+	handle->root = strdup(str);
+
+	return(0);
+}
+
+int alpm_release()
+{
+	PMList *i;
+
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	/* unlock db */
+	if(handle->access == PM_ACCESS_RW) {
+		if(_alpm_lckrm(PACLOCK)) {
+			_alpm_log(PM_LOG_WARNING, "could not remove lock file %s", PACLOCK);
+			alpm_logaction("warning: could not remove lock file %s", PACLOCK);
+		}
+	}
+
+	/* close local database */
+	if(handle->db_local) {
+		db_close(handle->db_local);
+		handle->db_local = NULL;
+	}
+	/* and also sync ones */
+	for(i = handle->dbs_sync; i; i = i->next) {
+		if(i->data) {
+			db_close(i->data);
+			i->data = NULL;
+		}
+	}
+
+	FREEHANDLE(handle);
+
+	return(0);
+}
+
+/*
+ * Options
+ */
+
+int alpm_set_option(unsigned char parm, unsigned long data)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	return(handle_set_option(handle, parm, data));
+}
+
+int alpm_get_option(unsigned char parm, long *data)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	return(handle_get_option(handle, parm, data));
+}
+
+/*
+ * Databases
+ */
+
+int alpm_db_register(char *treename, PM_DB **db)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(treename != NULL && strlen(treename) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+	ASSERT(db != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	/* check if the db if already registered */
+	*db = db_open(handle->root, handle->dbpath, treename);
+	if(*db == NULL) {
+		/* couldn't open the db directory - try creating it */
+		if(db_create(handle->root, handle->dbpath, treename) == -1) {
+			PM_RET_ERR(PM_ERR_DB_CREATE, -1);
+		}
+		*db = db_open(handle->root, handle->dbpath, treename);
+		if(*db == NULL) {
+			/* couldn't open the db directory, try creating it */
+			PM_RET_ERR(PM_ERR_DB_OPEN, -1);
+		}
+	}
+
+	if(strcmp(treename, "local") == 0) {
+		handle->db_local = *db;
+	} else {
+		handle->dbs_sync = pm_list_add(handle->dbs_sync, *db);
+	}
+
+	return(0);
+}
+
+int alpm_db_unregister(PM_DB *db)
+{
+	PMList *i;
+	int found = 0;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(db != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	if(db == handle->db_local) {
+		db_close(handle->db_local);
+		handle->db_local = NULL;
+		found = 1;
+	} else {
+		for(i = handle->dbs_sync; i && !found; i = i->next) {
+			if(db == i->data) {
+				db_close(i->data);
+				i->data = NULL;
+				/* ORE
+				it should be _alpm_list_removed instead */
+				found = 1;
+			}
+		}
+	}
+
+	if(!found) {
+		PM_RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
+	}
+
+	return(0);
+}
+
+PM_PKG *alpm_db_readpkg(PM_DB *db, char *name)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(db != NULL, return(NULL));
+	ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+
+	return(db_get_pkgfromcache(db, name));
+}
+
+PM_LIST *alpm_db_getpkgcache(PM_DB *db)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(db != NULL, return(NULL));
+
+	return(db_get_pkgcache(db));
+}
+
+PM_GRP *alpm_db_readgrp(PM_DB *db, char *name)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(db != NULL, return(NULL));
+	ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+
+	return(db_get_grpfromcache(db, name));
+}
+
+PM_LIST *alpm_db_getgrpcache(PM_DB *db)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(db != NULL, return(NULL));
+
+	return(db_get_grpcache(db));
+}
+
+PM_LIST *alpm_db_nextgrp(PM_LIST *cache)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(cache != NULL, return(NULL));
+
+	return(cache->next);
+}
+
+PM_GRP *alpm_db_getgrp(PM_LIST *cache)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(cache != NULL, return(NULL));
+
+	return(cache->data);
+}
+
+/*
+ * Packages
+ */
+
+void *alpm_pkg_getinfo(PM_PKG *pkg, unsigned char parm)
+{
+	void *data;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(pkg != NULL, return(NULL));
+
+	/* Update the cache package entry if needed */
+	if(pkg->origin == PKG_FROM_CACHE && pkg->data == handle->db_local) {
+		switch(parm) {
+			case PM_PKG_FILES:
+			case PM_PKG_BACKUP:
+				if(!(pkg->infolevel & INFRQ_FILES)) {
+					char target[321]; /* 256+1+64 */
+
+					snprintf(target, 321, "%s-%s", pkg->name, pkg->version);
+					db_read(pkg->data, target, INFRQ_FILES, pkg);
+				}
+			break;
+
+			case PM_PKG_SCRIPLET:
+				if(!(pkg->infolevel & INFRQ_SCRIPLET)) {
+					char target[321];
+
+					snprintf(target, 321, "%s-%s", pkg->name, pkg->version);
+					db_read(pkg->data, target, INFRQ_SCRIPLET, pkg);
+				}
+			break;
+		}
+	}
+
+	switch(parm) {
+		case PM_PKG_NAME:        data = pkg->name; break;
+		case PM_PKG_VERSION:     data = pkg->version; break;
+		case PM_PKG_DESC:        data = pkg->desc; break;
+		case PM_PKG_GROUPS:      data = pkg->groups; break;
+		case PM_PKG_URL:         data = pkg->url; break;
+		case PM_PKG_LICENSE:     data = pkg->license; break;
+		case PM_PKG_ARCH:        data = pkg->arch; break;
+		case PM_PKG_BUILDDATE:   data = pkg->builddate; break;
+		case PM_PKG_INSTALLDATE: data = pkg->installdate; break;
+		case PM_PKG_PACKAGER:    data = pkg->packager; break;
+		case PM_PKG_SIZE:        data = (void *)pkg->size; break;
+		case PM_PKG_REASON:      data = (void *)(int)pkg->reason; break;
+		case PM_PKG_REPLACES:    data = pkg->replaces; break;
+		case PM_PKG_MD5SUM:      data = pkg->md5sum; break;
+		case PM_PKG_DEPENDS:     data = pkg->depends; break;
+		case PM_PKG_REQUIREDBY:  data = pkg->requiredby; break;
+		case PM_PKG_PROVIDES:    data = pkg->provides; break;
+		case PM_PKG_CONFLICTS:   data = pkg->conflicts; break;
+		case PM_PKG_FILES:       data = pkg->files; break;
+		case PM_PKG_BACKUP:      data = pkg->backup; break;
+		case PM_PKG_SCRIPLET:    data = (void *)(int)pkg->scriptlet; break;
+		default:
+			data = NULL;
+		break;
+	}
+
+	return(data);
+}
+
+int alpm_pkg_load(char *filename, PM_PKG **pkg)
+{
+	/* Sanity checks */
+	ASSERT(filename != NULL && strlen(filename) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+	ASSERT(pkg != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	*pkg = pkg_load(filename);
+	if(*pkg == NULL) {
+		/* pm_errno is set by pkg_load */
+		return(-1);
+	}
+
+	return(0);
+}
+
+int alpm_pkg_free(PM_PKG *pkg)
+{
+	/* Sanity checks */
+	ASSERT(pkg != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	pkg_free(pkg);
+
+	return(0);
+}
+
+int alpm_pkg_vercmp(const char *ver1, const char *ver2)
+{
+	return(rpmvercmp(ver1, ver2));
+}
+
+/*
+ * Groups
+ */
+
+void *alpm_grp_getinfo(PM_GRP *grp, unsigned char parm)
+{
+	void *data;
+
+	/* Sanity checks */
+	ASSERT(grp != NULL, return(NULL));
+
+	switch(parm) {
+		case PM_GRP_NAME:     data = grp->name; break;
+		case PM_GRP_PKGNAMES: data = grp->packages; break;
+		default:
+			data = NULL;
+		break;
+	}
+
+	return(data);
+}
+
+/*
+ * Sync operations
+ */
+
+void *alpm_sync_getinfo(PM_SYNC *sync, unsigned char parm)
+{
+	void *data;
+
+	/* Sanity checks */
+	ASSERT(sync != NULL, return(NULL));
+
+	switch(parm) {
+		case PM_SYNC_TYPE:     data = (void *)(int)sync->type; break;
+		case PM_SYNC_LOCALPKG: data = sync->lpkg; break;
+		case PM_SYNC_SYNCPKG:  data = sync->spkg; break;
+		default:
+			data = NULL;
+		break;
+	}
+
+	return(data);
+}
+
+int alpm_sync_sysupgrade(PM_LIST **data)
+{
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(data != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	return(sync_sysupgrade(data));
+}
+
+/*
+ * Transactions
+ */
+
+void *alpm_trans_getinfo(unsigned char parm)
+{
+	pmtrans_t *trans;
+	void *data;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+
+	trans = handle->trans;
+
+	switch(parm) {
+		case PM_TRANS_TYPE:    data = (void *)(int)trans->type; break;
+		case PM_TRANS_FLAGS:   data = (void *)(int)trans->flags; break;
+		case PM_TRANS_TARGETS: data = trans->targets; break;
+		default:
+			data = NULL;
+		break;
+	}
+
+	return(data);
+}
+
+int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb cb)
+{
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	ASSERT(handle->trans == NULL, PM_RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
+
+	handle->trans = trans_new();
+	if(handle->trans == NULL) {
+		PM_RET_ERR(PM_ERR_MEMORY, -1);
+	}
+
+	return(trans_init(handle->trans, type, flags, cb));
+}
+
+int alpm_trans_addtarget(char *target)
+{
+	pmtrans_t *trans;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(target != NULL && strlen(target) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	trans = handle->trans;
+	ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+	ASSERT(trans->state == STATE_INITIALIZED, PM_RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+
+	return(trans_addtarget(trans, target));
+}
+
+int alpm_trans_prepare(PMList **data)
+{
+	pmtrans_t *trans;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(data != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+	trans = handle->trans;
+	ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+	ASSERT(trans->state == STATE_INITIALIZED, PM_RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+
+	return(trans_prepare(handle->trans, data));
+}
+
+int alpm_trans_commit()
+{
+	pmtrans_t *trans;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	trans = handle->trans;
+	ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+	ASSERT(trans->state == STATE_PREPARED, PM_RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1));
+
+	/* ORE
+	ASSERT(handle->access != PM_ACCESS_RW, PM_RET_ERR(PM_ERR_BAD_PERMS, -1));*/
+
+	return(trans_commit(handle->trans));
+}
+
+int alpm_trans_release()
+{
+	pmtrans_t *trans;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+	trans = handle->trans;
+	ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+	ASSERT(trans->state != STATE_IDLE, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+
+	FREETRANS(handle->trans);
+
+	return(0);
+}
+
+/*
+ * Log facilities
+ */
+
+int alpm_logaction(char *fmt, ...)
+{
+	char str[256];
+	va_list args;
+
+	va_start(args, fmt);
+	vsnprintf(str, 256, fmt, args);
+	va_end(args);
+
+	return(_alpm_log_action(handle->usesyslog, handle->logfd, str));
+}
+
+/*
+ * Lists wrappers
+ */
+
+PM_LIST *alpm_list_first(PM_LIST *list)
+{
+	ASSERT(list != NULL, return(NULL));
+
+	return(list);
+}
+
+PM_LIST *alpm_list_next(PM_LIST *entry)
+{
+	ASSERT(entry != NULL, return(NULL));
+
+	return(entry->next);
+}
+
+void *alpm_list_getdata(PM_LIST *entry)
+{
+	ASSERT(entry != NULL, return(NULL));
+
+	return(entry->data);
+}
+
+int alpm_list_free(PM_LIST *entry)
+{
+	if(entry) {
+		/* ORE
+		does not free all memory for packages... */
+		pm_list_free(entry);
+	}
+
+	return(0);
+}
+
+/*
+ * Misc wrappers
+ */
+
+char *alpm_get_md5sum(char *name)
+{
+	ASSERT(name != NULL, return(NULL));
+
+	return(MDFile(name));
+}
+
+/* vim: set ts=2 sw=2 noet: */