path: root/lib/libalpm/handle.c

/*
 *  handle.c
 * 
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *  Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
 *  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 <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>
#include <sys/types.h>
#include <syslog.h>
#include <libintl.h>
#include <time.h>

/* libalpm */
#include "handle.h"
#include "alpm_list.h"
#include "util.h"
#include "log.h"
#include "error.h"
#include "trans.h"
#include "alpm.h"
#include "server.h"

pmhandle_t *_alpm_handle_new()
{
  pmhandle_t *handle;

  handle = (pmhandle_t *)malloc(sizeof(pmhandle_t));
  if(handle == NULL) {
    _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmhandle_t));
    RET_ERR(PM_ERR_MEMORY, NULL);
  }

  memset(handle, 0, sizeof(pmhandle_t));
  handle->lckfd = -1;

#ifndef CYGWIN
  /* see if we're root or not */
  handle->uid = geteuid();
//#ifndef FAKEROOT
//  if(!handle->uid && getenv("FAKEROOTKEY")) {
//    /* fakeroot doesn't count, we're non-root */
//    handle->uid = 99;
//  }
//#endif
//
//  /* see if we're root or not (fakeroot does not count) */
//#ifndef FAKEROOT
//  if(handle->uid == 0 && !getenv("FAKEROOTKEY")) {
//    /* } make vim indent work - stupid ifdef's */
//#else
//    if(handle->uid == 0) {
//#endif
//      handle->access = PM_ACCESS_RW;
//    } else {
//      handle->access = PM_ACCESS_RO;
//    }
//#else
  handle->access = PM_ACCESS_RW;
#endif

  handle->root = strdup(PM_ROOT);
  handle->dbpath = strdup(PM_DBPATH);
  handle->cachedir = strdup(PM_CACHEDIR);
  handle->logmask = PM_LOG_ERROR | PM_LOG_WARNING;

  return(handle);
}

int _alpm_handle_free(pmhandle_t *handle)
{
  ALPM_LOG_FUNC;

  ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));

  /* close logfiles */
  if(handle->logfd) {
    fclose(handle->logfd);
    handle->logfd = NULL;
  }
  if(handle->usesyslog) {
    handle->usesyslog = 0;
    closelog();
  }

  /* free memory */
  FREETRANS(handle->trans);
  FREE(handle->root);
  FREE(handle->dbpath);
  FREE(handle->cachedir);
  FREE(handle->logfile);
  FREE(handle->xfercommand);
  FREELIST(handle->dbs_sync);
  FREELIST(handle->noupgrade);
  FREELIST(handle->noextract);
  FREELIST(handle->ignorepkg);
  FREELIST(handle->holdpkg);
  FREE(handle);

  return(0);
}

alpm_cb_log alpm_option_get_logcb() { return (handle ? handle->logcb : NULL); }
alpm_cb_download alpm_option_get_dlcb() { return (handle ? handle->dlcb : NULL); }
unsigned short alpm_option_get_logmask() { return handle->logmask; }
const char SYMEXPORT *alpm_option_get_root() { return handle->root; }
const char SYMEXPORT *alpm_option_get_dbpath() { return handle->dbpath; }
const char SYMEXPORT *alpm_option_get_cachedir() { return handle->cachedir; }
const char *alpm_option_get_logfile() { return handle->logfile; }
unsigned short alpm_option_get_usesyslog() { return handle->usesyslog; }
alpm_list_t *alpm_option_get_noupgrades() { return handle->noupgrade; }
alpm_list_t *alpm_option_get_noextracts() { return handle->noextract; }
alpm_list_t *alpm_option_get_ignorepkgs() { return handle->ignorepkg; }
alpm_list_t *alpm_option_get_holdpkgs() { return handle->holdpkg; }
time_t alpm_option_get_upgradedelay() { return handle->upgradedelay; }
const char *alpm_option_get_xfercommand() { return handle->xfercommand; }
unsigned short alpm_option_get_nopassiveftp() { return handle->nopassiveftp; }
unsigned short SYMEXPORT alpm_option_get_chomp() { return handle->chomp; }
unsigned short alpm_option_get_usecolor() { return handle->use_color; }

pmdb_t *alpm_option_get_localdb() { return handle->db_local; }
alpm_list_t SYMEXPORT *alpm_option_get_syncdbs()
{
  return handle->dbs_sync;
}

void SYMEXPORT alpm_option_set_logcb(alpm_cb_log cb) { handle->logcb = cb; }

void SYMEXPORT alpm_option_set_dlcb(alpm_cb_download cb) { handle->dlcb = cb; }

void SYMEXPORT alpm_option_set_logmask(unsigned short mask) { handle->logmask = mask; }

void alpm_option_set_root(const char *root)
{
  if(handle->root) FREE(handle->root);
  /* According to the man page, realpath is safe to use IFF the second arg is
   * NULL. */
  char *realroot = realpath(root, NULL);
  if(realroot) {
    root = realroot;
  } else {
    _alpm_log(PM_LOG_ERROR, _("cannot canonicalize specified root path '%s'"), root);
  }

  if(root) {
    /* verify root ends in a '/' */
    int rootlen = strlen(realroot);
    if(realroot[rootlen-1] != '/') {
      rootlen += 1;
    }
    handle->root = calloc(rootlen+1, sizeof(char));
    strncpy(handle->root, realroot, rootlen);
    handle->root[rootlen-1] = '/';
    _alpm_log(PM_LOG_DEBUG, _("option 'root' = %s"), handle->root);

  }
  if(realroot) {
    free(realroot);
  }
}

void SYMEXPORT alpm_option_set_dbpath(const char *dbpath)
{
  if(handle->dbpath) FREE(handle->dbpath);
  if(dbpath) {
    /* verify dbpath ends in a '/' */
    int dbpathlen = strlen(dbpath);
    if(dbpath[dbpathlen-1] != '/') {
      dbpathlen += 1;
    }
    handle->dbpath = calloc(dbpathlen+1, sizeof(char));
    strncpy(handle->dbpath, dbpath, dbpathlen);
    handle->dbpath[dbpathlen-1] = '/';
    _alpm_log(PM_LOG_DEBUG, _("option 'dbpath' = %s"), handle->dbpath);
  }
}

void alpm_option_set_cachedir(const char *cachedir)
{
  if(handle->cachedir) FREE(handle->cachedir);
  if(cachedir) {
    /* verify cachedir ends in a '/' */
    int cachedirlen = strlen(cachedir);
    if(cachedir[cachedirlen-1] != '/') {
      cachedirlen += 1;
    }
    handle->cachedir = calloc(cachedirlen+1, sizeof(char));
    strncpy(handle->cachedir, cachedir, cachedirlen);
    handle->cachedir[cachedirlen-1] = '/';
    _alpm_log(PM_LOG_DEBUG, _("option 'cachedir' = %s"), handle->cachedir);
  }
}

void alpm_option_set_logfile(const char *logfile)
{
  ALPM_LOG_FUNC;

  if(handle->logfile) {
    FREE(handle->logfile);
    if(handle->logfd) {
      fclose(handle->logfd);
      handle->logfd = NULL;
    }
  }
  if(logfile) {
    handle->logfile = strdup(logfile);
    handle->logfd = fopen(logfile, "a");
  }
}

void alpm_option_set_usesyslog(unsigned short usesyslog)
{
  handle->usesyslog = usesyslog;
}

void alpm_option_add_noupgrade(char *pkg)
{
  handle->noupgrade = alpm_list_add(handle->noupgrade, strdup(pkg));
}

void alpm_option_set_noupgrades(alpm_list_t *noupgrade)
{
  if(handle->noupgrade) FREELIST(handle->noupgrade);
  if(noupgrade) handle->noupgrade = noupgrade;
}

void alpm_option_add_noextract(char *pkg)
{
  handle->noextract = alpm_list_add(handle->noextract, strdup(pkg));
}
void alpm_option_set_noextracts(alpm_list_t *noextract)
{
  if(handle->noextract) FREELIST(handle->noextract);
  if(noextract) handle->noextract = noextract;
}

void SYMEXPORT alpm_option_add_ignorepkg(char *pkg)
{
  handle->ignorepkg = alpm_list_add(handle->ignorepkg, strdup(pkg));
}
void alpm_option_set_ignorepkgs(alpm_list_t *ignorepkgs)
{
  if(handle->ignorepkg) FREELIST(handle->ignorepkg);
  if(ignorepkgs) handle->ignorepkg = ignorepkgs;
}

void alpm_option_add_holdpkg(char *pkg)
{
  handle->holdpkg = alpm_list_add(handle->holdpkg, strdup(pkg));
}
void alpm_option_set_holdpkgs(alpm_list_t *holdpkgs)
{
  if(handle->holdpkg) FREELIST(handle->holdpkg);
  if(holdpkgs) handle->holdpkg = holdpkgs;
}

void alpm_option_set_upgradedelay(time_t delay)
{
  handle->upgradedelay = delay;
}

void alpm_option_set_xfercommand(const char *cmd)
{
  if(handle->xfercommand) FREE(handle->xfercommand);
  if(cmd) handle->xfercommand = strdup(cmd);
}

void alpm_option_set_nopassiveftp(unsigned short nopasv)
{
  handle->nopassiveftp = nopasv;
}

void alpm_option_set_chomp(unsigned short chomp) { handle->chomp = chomp; }

void alpm_option_set_usecolor(unsigned short usecolor)
{
  handle->use_color = usecolor;
}

/* vim: set ts=2 sw=2 noet: */