moparisthebest
/
pacman
mirror of https://github.com/moparisthebest/pacman
1
0
Fork 0
Code Issues Releases Wiki Activity
pacman/lib/libalpm/alpm.c

310 lines
9.4 KiB
C
Raw Blame History

/*
* alpm.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
* Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <limits.h> /* PATH_MAX */
#include <stdarg.h>
/* libalpm */
#include "alpm.h"
#include "alpm_list.h"
#include "error.h"
#include "handle.h"
#include "util.h"
#define min(X, Y) ((X) < (Y) ? (X) : (Y))
/* Globals */
pmhandle_t *handle = NULL;
enum _pmerrno_t pm_errno SYMEXPORT;
/** \addtogroup alpm_interface Interface Functions
* @brief Functions to initialize and release libalpm
* @{
*/
/** Initializes the library. This must be called before any other
* functions are called.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_initialize()
{
ASSERT(handle == NULL, RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1));
handle = _alpm_handle_new();
if(handle == NULL) {
RET_ERR(PM_ERR_MEMORY, -1);
}
return(0);
}
/** Release the library. This should be the last alpm call you make.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_release()
{
int dbs_left = 0;
ALPM_LOG_FUNC;
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
/* close local database */
if(handle->db_local) {
alpm_db_unregister(handle->db_local);
handle->db_local = NULL;
}
/* and also sync ones */
while((dbs_left = alpm_list_count(handle->dbs_sync)) > 0) {
pmdb_t *db = (pmdb_t *)handle->dbs_sync->data;
_alpm_log(PM_LOG_DEBUG, _("removing DB %s, %d remaining..."), db->treename, dbs_left);
alpm_db_unregister(db);
db = NULL;
}
_alpm_handle_free(handle);
return(0);
}
/** @} */
/** @defgroup alpm_misc Miscellaneous Functions
* @brief Various libalpm functions
*/
/** Parses a configuration file.
* @param file path to the config file.
* @param callback a function to be called upon new database creation
* @param this_section the config current section being parsed
* @return 0 on success, -1 on error (pm_errno is set accordingly)
* @addtogroup alpm_misc
*/
int SYMEXPORT alpm_parse_config(char *file, alpm_cb_db_register callback, const char *this_section)
{
FILE *fp = NULL;
char line[PATH_MAX+1];
char *ptr = NULL;
char *key = NULL;
int linenum = 0;
char origkey[256];
char section[256] = "";
pmdb_t *db = NULL;
ALPM_LOG_FUNC;
fp = fopen(file, "r");
if(fp == NULL) {
return(0);
}
if(this_section != NULL && strlen(this_section) > 0) {
strncpy(section, this_section, min(255, strlen(this_section)));
if(!strcmp(section, "local")) {
RET_ERR(PM_ERR_CONF_LOCAL, -1);
}
if(strcmp(section, "options")) {
db = _alpm_db_register(section, callback);
}
}
while(fgets(line, PATH_MAX, fp)) {
linenum++;
_alpm_strtrim(line);
if(strlen(line) == 0 || line[0] == '#') {
continue;
}
if((ptr = strchr(line, '#'))) {
*ptr = '\0';
}
if(line[0] == '[' && line[strlen(line)-1] == ']') {
/* new config section */
ptr = line;
ptr++;
strncpy(section, ptr, min(255, strlen(ptr)-1));
section[min(255, strlen(ptr)-1)] = '\0';
_alpm_log(PM_LOG_DEBUG, _("config: new section '%s'"), section);
if(!strlen(section)) {
RET_ERR(PM_ERR_CONF_BAD_SECTION, -1);
}
if(!strcmp(section, "local")) {
RET_ERR(PM_ERR_CONF_LOCAL, -1);
}
if(strcmp(section, "options")) {
db = _alpm_db_register(section, callback);
if(db == NULL) {
/* pm_errno is set by alpm_db_register */
return(-1);
}
}
} else {
/* directive */
ptr = line;
key = strsep(&ptr, "=");
if(key == NULL) {
RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1);
}
_alpm_strtrim(key);
strncpy(origkey, key, min(255, strlen(key)));
key = _alpm_strtoupper(key);
if(!strlen(section) && strcmp(key, "INCLUDE")) {
RET_ERR(PM_ERR_CONF_DIRECTIVE_OUTSIDE_SECTION, -1);
}
if(ptr == NULL) {
if(strcmp(origkey, "NoPassiveFTP") == 0 || strcmp(key, "NOPASSIVEFTP") == 0) {
alpm_option_set_nopassiveftp(1);
_alpm_log(PM_LOG_DEBUG, _("config: nopassiveftp"));
} else if(strcmp(origkey, "UseSyslog") == 0 || strcmp(key, "USESYSLOG") == 0) {
alpm_option_set_usesyslog(1);
_alpm_log(PM_LOG_DEBUG, _("config: usesyslog"));
} else if(strcmp(origkey, "ILoveCandy") == 0 || strcmp(key, "ILOVECANDY") == 0) {
alpm_option_set_chomp(1);
_alpm_log(PM_LOG_DEBUG, _("config: chomp"));
} else if(strcmp(origkey, "UseColor") == 0 || strcmp(key, "USECOLOR") == 0) {
alpm_option_set_usecolor(1);
_alpm_log(PM_LOG_DEBUG, _("config: usecolor"));
} else if(strcmp(origkey, "ShowSize") == 0 || strcmp(key, "SHOWSIZE") == 0) {
alpm_option_set_showsize(1);
_alpm_log(PM_LOG_DEBUG, _("config: showsize"));
} else {
RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1);
}
} else {
_alpm_strtrim(ptr);
if(strcmp(origkey, "Include") == 0 || strcmp(key, "INCLUDE") == 0) {
char conf[PATH_MAX];
strncpy(conf, ptr, PATH_MAX);
_alpm_log(PM_LOG_DEBUG, _("config: including %s"), conf);
alpm_parse_config(conf, callback, section);
} else if(strcmp(section, "options") == 0) {
if(strcmp(origkey, "NoUpgrade") == 0 || strcmp(key, "NOUPGRADE") == 0) {
char *p = ptr;
char *q;
while((q = strchr(p, ' '))) {
*q = '\0';
alpm_option_add_noupgrade(p);
_alpm_log(PM_LOG_DEBUG, _("config: noupgrade: %s"), p);
p = q;
p++;
}
alpm_option_add_noupgrade(p);
_alpm_log(PM_LOG_DEBUG, _("config: noupgrade: %s"), p);
} else if(strcmp(origkey, "NoExtract") == 0 || strcmp(key, "NOEXTRACT") == 0) {
char *p = ptr;
char *q;
while((q = strchr(p, ' '))) {
*q = '\0';
alpm_option_add_noextract(p);
_alpm_log(PM_LOG_DEBUG, _("config: noextract: %s"), p);
p = q;
p++;
}
alpm_option_add_noextract(p);
_alpm_log(PM_LOG_DEBUG, _("config: noextract: %s"), p);
} else if(strcmp(origkey, "IgnorePkg") == 0 || strcmp(key, "IGNOREPKG") == 0) {
char *p = ptr;
char *q;
while((q = strchr(p, ' '))) {
*q = '\0';
alpm_option_add_ignorepkg(p);
_alpm_log(PM_LOG_DEBUG, _("config: ignorepkg: %s"), p);
p = q;
p++;
}
alpm_option_add_ignorepkg(p);
_alpm_log(PM_LOG_DEBUG, _("config: ignorepkg: %s"), p);
} else if(strcmp(origkey, "HoldPkg") == 0 || strcmp(key, "HOLDPKG") == 0) {
char *p = ptr;
char *q;
while((q = strchr(p, ' '))) {
*q = '\0';
alpm_option_add_holdpkg(p);
_alpm_log(PM_LOG_DEBUG, _("config: holdpkg: %s"), p);
p = q;
p++;
}
alpm_option_add_holdpkg(p);
_alpm_log(PM_LOG_DEBUG, _("config: holdpkg: %s"), p);
} else if(strcmp(origkey, "DBPath") == 0 || strcmp(key, "DBPATH") == 0) {
alpm_option_set_dbpath(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: dbpath: %s"), ptr);
} else if(strcmp(origkey, "CacheDir") == 0 || strcmp(key, "CACHEDIR") == 0) {
alpm_option_set_cachedir(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: cachedir: %s"), ptr);
} else if(strcmp(origkey, "RootDir") == 0 || strcmp(key, "ROOTDIR") == 0) {
alpm_option_set_root(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: rootdir: %s"), ptr);
} else if (strcmp(origkey, "LogFile") == 0 || strcmp(key, "LOGFILE") == 0) {
alpm_option_set_logfile(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: logfile: %s"), ptr);
} else if (strcmp(origkey, "LockFile") == 0 || strcmp(key, "LOCKFILE") == 0) {
alpm_option_set_lockfile(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: lockfile: %s"), ptr);
} else if (strcmp(origkey, "XferCommand") == 0 || strcmp(key, "XFERCOMMAND") == 0) {
alpm_option_set_xfercommand(ptr);
_alpm_log(PM_LOG_DEBUG, _("config: xfercommand: %s"), ptr);
} else if (strcmp(origkey, "UpgradeDelay") == 0 || strcmp(key, "UPGRADEDELAY") == 0) {
/* The config value is in days, we use seconds */
time_t ud = atol(ptr) * 60 * 60 *24;
alpm_option_set_upgradedelay(ud);
_alpm_log(PM_LOG_DEBUG, _("config: upgradedelay: %d"), ud);
} else {
RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1);
}
} else {
if(strcmp(origkey, "Server") == 0 || strcmp(key, "SERVER") == 0) {
/* let's attempt a replacement for the current repo */
char *server = _alpm_strreplace(ptr, "$repo", section);
if(alpm_db_setserver(db, server) != 0) {
/* pm_errno is set by alpm_db_setserver */
return(-1);
}
free(server);
} else {
RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1);
}
}
line[0] = '\0';
}
}
}
fclose(fp);
return(0);
}
/* vim: set ts=2 sw=2 noet: */
Reference in New Issue View Git Blame Copy Permalink