lib/libalpm/handle.c

   1 /*
   2  *  handle.c
   3  *
   4  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
   5  *  Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
   6  *  Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21  *  USA.
  22  */
  23
  24 #include "config.h"
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29 #include <limits.h>
  30 #include <sys/types.h>
  31 #include <syslog.h>
  32 #include <libintl.h>
  33 #include <time.h>
  34
  35 /* libalpm */
  36 #include "handle.h"
  37 #include "alpm_list.h"
  38 #include "util.h"
  39 #include "log.h"
  40 #include "error.h"
  41 #include "trans.h"
  42 #include "alpm.h"
  43 #include "server.h"
  44
  45 pmhandle_t *_alpm_handle_new()
  46 {
  47         pmhandle_t *handle;
  48
  49         handle = (pmhandle_t *)malloc(sizeof(pmhandle_t));
  50         if(handle == NULL) {
  51                 _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmhandle_t));
  52                 RET_ERR(PM_ERR_MEMORY, NULL);
  53         }
  54
  55         memset(handle, 0, sizeof(pmhandle_t));
  56         handle->lckfd = -1;
  57
  58 #ifndef CYGWIN
  59         /* see if we're root or not */
  60         handle->uid = geteuid();
  61 //#ifndef FAKEROOT
  62 //      if(!handle->uid && getenv("FAKEROOTKEY")) {
  63 //              /* fakeroot doesn't count, we're non-root */
  64 //              handle->uid = 99;
  65 //      }
  66 //#endif
  67 //
  68 //      /* see if we're root or not (fakeroot does not count) */
  69 //#ifndef FAKEROOT
  70 //      if(handle->uid == 0 && !getenv("FAKEROOTKEY")) {
  71 //              /* } make vim indent work - stupid ifdef's */
  72 //#else
  73 //              if(handle->uid == 0) {
  74 //#endif
  75 //                      handle->access = PM_ACCESS_RW;
  76 //              } else {
  77 //                      handle->access = PM_ACCESS_RO;
  78 //              }
  79 //#else
  80         handle->access = PM_ACCESS_RW;
  81 #endif
  82
  83         handle->root = strdup(PM_ROOT);
  84         handle->dbpath = strdup(PM_DBPATH);
  85         handle->cachedir = strdup(PM_CACHEDIR);
  86         handle->logmask = PM_LOG_ERROR | PM_LOG_WARNING;
  87
  88         return(handle);
  89 }
  90
  91 int _alpm_handle_free(pmhandle_t *handle)
  92 {
  93         ALPM_LOG_FUNC;
  94
  95         ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
  96
  97         /* close logfiles */
  98         if(handle->logfd) {
  99                 fclose(handle->logfd);
 100                 handle->logfd = NULL;
 101         }
 102         if(handle->usesyslog) {
 103                 handle->usesyslog = 0;
 104                 closelog();
 105         }
 106
 107         /* free memory */
 108         FREETRANS(handle->trans);
 109         FREE(handle->root);
 110         FREE(handle->dbpath);
 111         FREE(handle->cachedir);
 112         FREE(handle->logfile);
 113         FREE(handle->xfercommand);
 114         FREELIST(handle->dbs_sync);
 115         FREELIST(handle->noupgrade);
 116         FREELIST(handle->noextract);
 117         FREELIST(handle->ignorepkg);
 118         FREELIST(handle->holdpkg);
 119         FREE(handle);
 120
 121         return(0);
 122 }
 123
 124 alpm_cb_log alpm_option_get_logcb() { return (handle ? handle->logcb : NULL); }
 125 alpm_cb_download alpm_option_get_dlcb() { return (handle ? handle->dlcb : NULL); }
 126 unsigned short SYMEXPORT alpm_option_get_logmask() { return handle->logmask; }
 127 const char SYMEXPORT *alpm_option_get_root() { return handle->root; }
 128 const char SYMEXPORT *alpm_option_get_dbpath() { return handle->dbpath; }
 129 const char SYMEXPORT *alpm_option_get_cachedir() { return handle->cachedir; }
 130 const char *alpm_option_get_logfile() { return handle->logfile; }
 131 unsigned short alpm_option_get_usesyslog() { return handle->usesyslog; }
 132 alpm_list_t *alpm_option_get_noupgrades() { return handle->noupgrade; }
 133 alpm_list_t *alpm_option_get_noextracts() { return handle->noextract; }
 134 alpm_list_t *alpm_option_get_ignorepkgs() { return handle->ignorepkg; }
 135 alpm_list_t *alpm_option_get_holdpkgs() { return handle->holdpkg; }
 136 time_t alpm_option_get_upgradedelay() { return handle->upgradedelay; }
 137 const char *alpm_option_get_xfercommand() { return handle->xfercommand; }
 138 unsigned short alpm_option_get_nopassiveftp() { return handle->nopassiveftp; }
 139 unsigned short SYMEXPORT alpm_option_get_chomp() { return handle->chomp; }
 140 unsigned short alpm_option_get_usecolor() { return handle->use_color; }
 141
 142 pmdb_t SYMEXPORT *alpm_option_get_localdb() { return handle->db_local; }
 143 alpm_list_t SYMEXPORT *alpm_option_get_syncdbs()
 144 {
 145         return handle->dbs_sync;
 146 }
 147
 148 void SYMEXPORT alpm_option_set_logcb(alpm_cb_log cb) { handle->logcb = cb; }
 149
 150 void SYMEXPORT alpm_option_set_dlcb(alpm_cb_download cb) { handle->dlcb = cb; }
 151
 152 void SYMEXPORT alpm_option_set_logmask(unsigned short mask) { handle->logmask = mask; }
 153
 154 void SYMEXPORT alpm_option_set_root(const char *root)
 155 {
 156         if(handle->root) FREE(handle->root);
 157         /* According to the man page, realpath is safe to use IFF the second arg is
 158          * NULL. */
 159         char *realroot = realpath(root, NULL);
 160         if(realroot) {
 161                 root = realroot;
 162         } else {
 163                 _alpm_log(PM_LOG_ERROR, _("cannot canonicalize specified root path '%s'"), root);
 164         }
 165
 166         if(root) {
 167                 /* verify root ends in a '/' */
 168                 int rootlen = strlen(realroot);
 169                 if(realroot[rootlen-1] != '/') {
 170                         rootlen += 1;
 171                 }
 172                 handle->root = calloc(rootlen+1, sizeof(char));
 173                 strncpy(handle->root, realroot, rootlen);
 174                 handle->root[rootlen-1] = '/';
 175                 _alpm_log(PM_LOG_DEBUG, _("option 'root' = %s"), handle->root);
 176
 177         }
 178         if(realroot) {
 179                 free(realroot);
 180         }
 181 }
 182
 183 void SYMEXPORT alpm_option_set_dbpath(const char *dbpath)
 184 {
 185         if(handle->dbpath) FREE(handle->dbpath);
 186         if(dbpath) {
 187                 /* verify dbpath ends in a '/' */
 188                 int dbpathlen = strlen(dbpath);
 189                 if(dbpath[dbpathlen-1] != '/') {
 190                         dbpathlen += 1;
 191                 }
 192                 handle->dbpath = calloc(dbpathlen+1, sizeof(char));
 193                 strncpy(handle->dbpath, dbpath, dbpathlen);
 194                 handle->dbpath[dbpathlen-1] = '/';
 195                 _alpm_log(PM_LOG_DEBUG, _("option 'dbpath' = %s"), handle->dbpath);
 196         }
 197 }
 198
 199 void SYMEXPORT alpm_option_set_cachedir(const char *cachedir)
 200 {
 201         if(handle->cachedir) FREE(handle->cachedir);
 202         if(cachedir) {
 203                 /* verify cachedir ends in a '/' */
 204                 int cachedirlen = strlen(cachedir);
 205                 if(cachedir[cachedirlen-1] != '/') {
 206                         cachedirlen += 1;
 207                 }
 208                 handle->cachedir = calloc(cachedirlen+1, sizeof(char));
 209                 strncpy(handle->cachedir, cachedir, cachedirlen);
 210                 handle->cachedir[cachedirlen-1] = '/';
 211                 _alpm_log(PM_LOG_DEBUG, _("option 'cachedir' = %s"), handle->cachedir);
 212         }
 213 }
 214
 215 void alpm_option_set_logfile(const char *logfile)
 216 {
 217         ALPM_LOG_FUNC;
 218
 219         if(handle->logfile) {
 220                 FREE(handle->logfile);
 221                 if(handle->logfd) {
 222                         fclose(handle->logfd);
 223                         handle->logfd = NULL;
 224                 }
 225         }
 226         if(logfile) {
 227                 handle->logfile = strdup(logfile);
 228                 handle->logfd = fopen(logfile, "a");
 229         }
 230 }
 231
 232 void alpm_option_set_usesyslog(unsigned short usesyslog)
 233 {
 234         handle->usesyslog = usesyslog;
 235 }
 236
 237 void alpm_option_add_noupgrade(char *pkg)
 238 {
 239         handle->noupgrade = alpm_list_add(handle->noupgrade, strdup(pkg));
 240 }
 241
 242 void alpm_option_set_noupgrades(alpm_list_t *noupgrade)
 243 {
 244         if(handle->noupgrade) FREELIST(handle->noupgrade);
 245         if(noupgrade) handle->noupgrade = noupgrade;
 246 }
 247
 248 void alpm_option_add_noextract(char *pkg)
 249 {
 250         handle->noextract = alpm_list_add(handle->noextract, strdup(pkg));
 251 }
 252 void alpm_option_set_noextracts(alpm_list_t *noextract)
 253 {
 254         if(handle->noextract) FREELIST(handle->noextract);
 255         if(noextract) handle->noextract = noextract;
 256 }
 257
 258 void SYMEXPORT alpm_option_add_ignorepkg(char *pkg)
 259 {
 260         handle->ignorepkg = alpm_list_add(handle->ignorepkg, strdup(pkg));
 261 }
 262 void alpm_option_set_ignorepkgs(alpm_list_t *ignorepkgs)
 263 {
 264         if(handle->ignorepkg) FREELIST(handle->ignorepkg);
 265         if(ignorepkgs) handle->ignorepkg = ignorepkgs;
 266 }
 267
 268 void alpm_option_add_holdpkg(char *pkg)
 269 {
 270         handle->holdpkg = alpm_list_add(handle->holdpkg, strdup(pkg));
 271 }
 272 void alpm_option_set_holdpkgs(alpm_list_t *holdpkgs)
 273 {
 274         if(handle->holdpkg) FREELIST(handle->holdpkg);
 275         if(holdpkgs) handle->holdpkg = holdpkgs;
 276 }
 277
 278 void alpm_option_set_upgradedelay(time_t delay)
 279 {
 280         handle->upgradedelay = delay;
 281 }
 282
 283 void alpm_option_set_xfercommand(const char *cmd)
 284 {
 285         if(handle->xfercommand) FREE(handle->xfercommand);
 286         if(cmd) handle->xfercommand = strdup(cmd);
 287 }
 288
 289 void alpm_option_set_nopassiveftp(unsigned short nopasv)
 290 {
 291         handle->nopassiveftp = nopasv;
 292 }
 293
 294 void alpm_option_set_chomp(unsigned short chomp) { handle->chomp = chomp; }
 295
 296 void alpm_option_set_usecolor(unsigned short usecolor)
 297 {
 298         handle->use_color = usecolor;
 299 }
 300
 301 /* vim: set ts=2 sw=2 noet: */