src/pacman/package.c

   1 /*
   2  *  package.c
   3  *
   4  *  Copyright (c) 2006-2012 Pacman Development Team <pacman-dev@archlinux.org>
   5  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25 #include <limits.h>
  26 #include <errno.h>
  27 #include <time.h>
  28
  29 #include <alpm.h>
  30 #include <alpm_list.h>
  31
  32 /* pacman */
  33 #include "package.h"
  34 #include "util.h"
  35 #include "conf.h"
  36
  37 #define CLBUF_SIZE 4096
  38
  39 /** Turn a depends list into a text list.
  40  * @param deps a list with items of type alpm_depend_t
  41  */
  42 static void deplist_display(const char *title,
  43                 alpm_list_t *deps)
  44 {
  45         alpm_list_t *i, *text = NULL;
  46         for(i = deps; i; i = alpm_list_next(i)) {
  47                 alpm_depend_t *dep = i->data;
  48                 text = alpm_list_add(text, alpm_dep_compute_string(dep));
  49         }
  50         list_display(title, text);
  51         FREELIST(text);
  52 }
  53
  54 /** Turn a optdepends list into a text list.
  55  * @param optdeps a list with items of type alpm_optdepend_t
  56  */
  57 static void optdeplist_display(const char *title,
  58                 alpm_list_t *optdeps)
  59 {
  60         alpm_list_t *i, *text = NULL;
  61         for(i = optdeps; i; i = alpm_list_next(i)) {
  62                 alpm_depend_t *optdep = i->data;
  63                 text = alpm_list_add(text, alpm_dep_compute_string(optdep));
  64         }
  65         list_display_linebreak(title, text);
  66         FREELIST(text);
  67 }
  68
  69 /**
  70  * Display the details of a package.
  71  * Extra information entails 'required by' info for sync packages and backup
  72  * files info for local packages.
  73  * @param pkg package to display information for
  74  * @param from the type of package we are dealing with
  75  * @param extra should we show extra information
  76  */
  77 void dump_pkg_full(alpm_pkg_t *pkg, int extra)
  78 {
  79         const char *reason;
  80         time_t bdate, idate;
  81         char bdatestr[50] = "", idatestr[50] = "";
  82         const char *label;
  83         double size;
  84         alpm_list_t *requiredby = NULL;
  85         alpm_pkgfrom_t from;
  86
  87         from = alpm_pkg_get_origin(pkg);
  88
  89         /* set variables here, do all output below */
  90         bdate = (time_t)alpm_pkg_get_builddate(pkg);
  91         if(bdate) {
  92                 strftime(bdatestr, 50, "%c", localtime(&bdate));
  93         }
  94         idate = (time_t)alpm_pkg_get_installdate(pkg);
  95         if(idate) {
  96                 strftime(idatestr, 50, "%c", localtime(&idate));
  97         }
  98
  99         switch(alpm_pkg_get_reason(pkg)) {
 100                 case ALPM_PKG_REASON_EXPLICIT:
 101                         reason = _("Explicitly installed");
 102                         break;
 103                 case ALPM_PKG_REASON_DEPEND:
 104                         reason = _("Installed as a dependency for another package");
 105                         break;
 106                 default:
 107                         reason = _("Unknown");
 108                         break;
 109         }
 110
 111         if(extra || from == PKG_FROM_LOCALDB) {
 112                 /* compute this here so we don't get a pause in the middle of output */
 113                 requiredby = alpm_pkg_compute_requiredby(pkg);
 114         }
 115
 116         /* actual output */
 117         if(from == PKG_FROM_SYNCDB) {
 118                 string_display(_("Repository     :"),
 119                                 alpm_db_get_name(alpm_pkg_get_db(pkg)));
 120         }
 121         string_display(_("Name           :"), alpm_pkg_get_name(pkg));
 122         string_display(_("Version        :"), alpm_pkg_get_version(pkg));
 123         string_display(_("URL            :"), alpm_pkg_get_url(pkg));
 124         list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg));
 125         list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
 126         deplist_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
 127         deplist_display(_("Depends On     :"), alpm_pkg_get_depends(pkg));
 128         optdeplist_display(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
 129         if(extra || from == PKG_FROM_LOCALDB) {
 130                 list_display(_("Required By    :"), requiredby);
 131         }
 132         deplist_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg));
 133         deplist_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg));
 134
 135         size = humanize_size(alpm_pkg_get_size(pkg), 'K', 2, &label);
 136         if(from == PKG_FROM_SYNCDB) {
 137                 printf(_("Download Size  : %6.2f %s\n"), size, label);
 138         } else if(from == PKG_FROM_FILE) {
 139                 printf(_("Compressed Size: %6.2f %s\n"), size, label);
 140         }
 141
 142         size = humanize_size(alpm_pkg_get_isize(pkg), 'K', 2, &label);
 143         printf(_("Installed Size : %6.2f %s\n"), size, label);
 144
 145         string_display(_("Packager       :"), alpm_pkg_get_packager(pkg));
 146         string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg));
 147         string_display(_("Build Date     :"), bdatestr);
 148         if(from == PKG_FROM_LOCALDB) {
 149                 string_display(_("Install Date   :"), idatestr);
 150                 string_display(_("Install Reason :"), reason);
 151         }
 152         if(from == PKG_FROM_FILE || from == PKG_FROM_LOCALDB) {
 153                 string_display(_("Install Script :"),
 154                                 alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"));
 155         }
 156
 157         if(from == PKG_FROM_SYNCDB) {
 158                 string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg));
 159                 string_display(_("SHA256 Sum     :"), alpm_pkg_get_sha256sum(pkg));
 160                 string_display(_("Signatures     :"),
 161                                 alpm_pkg_get_base64_sig(pkg) ? _("Yes") : _("None"));
 162         }
 163         if(from == PKG_FROM_FILE) {
 164                 alpm_siglist_t siglist;
 165                 int err = alpm_pkg_check_pgp_signature(pkg, &siglist);
 166                 if(err && alpm_errno(config->handle) == ALPM_ERR_SIG_MISSING) {
 167                         string_display(_("Signatures     :"), _("None"));
 168                 } else if(err) {
 169                         string_display(_("Signatures     :"),
 170                                         alpm_strerror(alpm_errno(config->handle)));
 171                 } else {
 172                         signature_display(_("Signatures     :"), &siglist);
 173                 }
 174                 alpm_siglist_cleanup(&siglist);
 175         }
 176         string_display(_("Description    :"), alpm_pkg_get_desc(pkg));
 177
 178         /* Print additional package info if info flag passed more than once */
 179         if(from == PKG_FROM_LOCALDB && extra) {
 180                 dump_pkg_backups(pkg);
 181         }
 182
 183         /* final newline to separate packages */
 184         printf("\n");
 185
 186         FREELIST(requiredby);
 187 }
 188
 189 static const char *get_backup_file_status(const char *root,
 190                 const alpm_backup_t *backup)
 191 {
 192         char path[PATH_MAX];
 193         const char *ret;
 194
 195         snprintf(path, PATH_MAX, "%s%s", root, backup->name);
 196
 197         /* if we find the file, calculate checksums, otherwise it is missing */
 198         if(access(path, R_OK) == 0) {
 199                 char *md5sum = alpm_compute_md5sum(path);
 200
 201                 if(md5sum == NULL) {
 202                         pm_printf(ALPM_LOG_ERROR,
 203                                         _("could not calculate checksums for %s\n"), path);
 204                         return NULL;
 205                 }
 206
 207                 /* if checksums don't match, file has been modified */
 208                 if(strcmp(md5sum, backup->hash) != 0) {
 209                         ret = "MODIFIED";
 210                 } else {
 211                         ret = "UNMODIFIED";
 212                 }
 213                 free(md5sum);
 214         } else {
 215                 switch(errno) {
 216                         case EACCES:
 217                                 ret = "UNREADABLE";
 218                                 break;
 219                         case ENOENT:
 220                                 ret = "MISSING";
 221                                 break;
 222                         default:
 223                                 ret = "UNKNOWN";
 224                 }
 225         }
 226         return ret;
 227 }
 228
 229 /* Display list of backup files and their modification states
 230  */
 231 void dump_pkg_backups(alpm_pkg_t *pkg)
 232 {
 233         alpm_list_t *i;
 234         const char *root = alpm_option_get_root(config->handle);
 235         printf(_("Backup Files:\n"));
 236         if(alpm_pkg_get_backup(pkg)) {
 237                 /* package has backup files, so print them */
 238                 for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
 239                         const alpm_backup_t *backup = i->data;
 240                         const char *value;
 241                         if(!backup->hash) {
 242                                 continue;
 243                         }
 244                         value = get_backup_file_status(root, backup);
 245                         printf("%s\t%s%s\n", value, root, backup->name);
 246                 }
 247         } else {
 248                 /* package had no backup files */
 249                 printf(_("(none)\n"));
 250         }
 251 }
 252
 253 /* List all files contained in a package
 254  */
 255 void dump_pkg_files(alpm_pkg_t *pkg, int quiet)
 256 {
 257         const char *pkgname, *root;
 258         alpm_filelist_t *pkgfiles;
 259         size_t i;
 260
 261         pkgname = alpm_pkg_get_name(pkg);
 262         pkgfiles = alpm_pkg_get_files(pkg);
 263         root = alpm_option_get_root(config->handle);
 264
 265         for(i = 0; i < pkgfiles->count; i++) {
 266                 const alpm_file_t *file = pkgfiles->files + i;
 267                 /* Regular: '<pkgname> <root><filepath>\n'
 268                  * Quiet  : '<root><filepath>\n'
 269                  */
 270                 if(!quiet) {
 271                         fputs(pkgname, stdout);
 272                         putchar(' ');
 273                 }
 274                 fputs(root, stdout);
 275                 fputs(file->name, stdout);
 276                 putchar('\n');
 277         }
 278
 279         fflush(stdout);
 280 }
 281
 282 /* Display the changelog of a package
 283  */
 284 void dump_pkg_changelog(alpm_pkg_t *pkg)
 285 {
 286         void *fp = NULL;
 287
 288         if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
 289                 pm_printf(ALPM_LOG_ERROR, _("no changelog available for '%s'.\n"),
 290                                 alpm_pkg_get_name(pkg));
 291                 return;
 292         } else {
 293                 /* allocate a buffer to get the changelog back in chunks */
 294                 char buf[CLBUF_SIZE];
 295                 size_t ret = 0;
 296                 while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
 297                         if(ret < CLBUF_SIZE) {
 298                                 /* if we hit the end of the file, we need to add a null terminator */
 299                                 *(buf + ret) = '\0';
 300                         }
 301                         fputs(buf, stdout);
 302                 }
 303                 alpm_pkg_changelog_close(pkg, fp);
 304                 putchar('\n');
 305         }
 306 }
 307
 308 /* vim: set ts=2 sw=2 noet: */