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         alpm_list_t *validation = NULL;
  81         time_t bdate, idate;
  82         char bdatestr[50] = "", idatestr[50] = "";
  83         const char *label;
  84         double size;
  85         alpm_list_t *requiredby = NULL;
  86         alpm_pkgfrom_t from;
  87
  88         from = alpm_pkg_get_origin(pkg);
  89
  90         /* set variables here, do all output below */
  91         bdate = (time_t)alpm_pkg_get_builddate(pkg);
  92         if(bdate) {
  93                 strftime(bdatestr, 50, "%c", localtime(&bdate));
  94         }
  95         idate = (time_t)alpm_pkg_get_installdate(pkg);
  96         if(idate) {
  97                 strftime(idatestr, 50, "%c", localtime(&idate));
  98         }
  99
 100         switch(alpm_pkg_get_reason(pkg)) {
 101                 case ALPM_PKG_REASON_EXPLICIT:
 102                         reason = _("Explicitly installed");
 103                         break;
 104                 case ALPM_PKG_REASON_DEPEND:
 105                         reason = _("Installed as a dependency for another package");
 106                         break;
 107                 default:
 108                         reason = _("Unknown");
 109                         break;
 110         }
 111
 112     if(from == PKG_FROM_LOCALDB) {
 113                 alpm_pkgvalidation_t v = alpm_pkg_get_validation(pkg);
 114                 if(v) {
 115                         if(v & ALPM_PKG_VALIDATION_NONE) {
 116                                 validation = alpm_list_add(validation, _("None"));
 117                         } else {
 118                                 if(v & ALPM_PKG_VALIDATION_MD5SUM) {
 119                                         validation = alpm_list_add(validation, _("MD5 Sum"));
 120                                 }
 121                                 if(v & ALPM_PKG_VALIDATION_SHA256SUM) {
 122                                         validation = alpm_list_add(validation, _("SHA256 Sum"));
 123                                 }
 124                                 if(v & ALPM_PKG_VALIDATION_SIGNATURE) {
 125                                         validation = alpm_list_add(validation, _("Signature"));
 126                                 }
 127                         }
 128                 } else {
 129                         validation = alpm_list_add(validation, _("Unknown"));
 130                 }
 131         }
 132
 133         if(extra || from == PKG_FROM_LOCALDB) {
 134                 /* compute this here so we don't get a pause in the middle of output */
 135                 requiredby = alpm_pkg_compute_requiredby(pkg);
 136         }
 137
 138         /* actual output */
 139         if(from == PKG_FROM_SYNCDB) {
 140                 string_display(_("Repository     :"),
 141                                 alpm_db_get_name(alpm_pkg_get_db(pkg)));
 142         }
 143         string_display(_("Name           :"), alpm_pkg_get_name(pkg));
 144         string_display(_("Version        :"), alpm_pkg_get_version(pkg));
 145         string_display(_("URL            :"), alpm_pkg_get_url(pkg));
 146         list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg));
 147         list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
 148         deplist_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
 149         deplist_display(_("Depends On     :"), alpm_pkg_get_depends(pkg));
 150         optdeplist_display(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
 151         if(extra || from == PKG_FROM_LOCALDB) {
 152                 list_display(_("Required By    :"), requiredby);
 153         }
 154         deplist_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg));
 155         deplist_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg));
 156
 157         size = humanize_size(alpm_pkg_get_size(pkg), 'K', 2, &label);
 158         if(from == PKG_FROM_SYNCDB) {
 159                 printf(_("Download Size  : %6.2f %s\n"), size, label);
 160         } else if(from == PKG_FROM_FILE) {
 161                 printf(_("Compressed Size: %6.2f %s\n"), size, label);
 162         }
 163
 164         size = humanize_size(alpm_pkg_get_isize(pkg), 'K', 2, &label);
 165         printf(_("Installed Size : %6.2f %s\n"), size, label);
 166
 167         string_display(_("Packager       :"), alpm_pkg_get_packager(pkg));
 168         string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg));
 169         string_display(_("Build Date     :"), bdatestr);
 170         if(from == PKG_FROM_LOCALDB) {
 171                 string_display(_("Install Date   :"), idatestr);
 172                 string_display(_("Install Reason :"), reason);
 173         }
 174         if(from == PKG_FROM_FILE || from == PKG_FROM_LOCALDB) {
 175                 string_display(_("Install Script :"),
 176                                 alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"));
 177         }
 178
 179         if(from == PKG_FROM_SYNCDB) {
 180                 string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg));
 181                 string_display(_("SHA256 Sum     :"), alpm_pkg_get_sha256sum(pkg));
 182                 string_display(_("Signatures     :"),
 183                                 alpm_pkg_get_base64_sig(pkg) ? _("Yes") : _("None"));
 184         }
 185         if(from == PKG_FROM_FILE) {
 186                 alpm_siglist_t siglist;
 187                 int err = alpm_pkg_check_pgp_signature(pkg, &siglist);
 188                 if(err && alpm_errno(config->handle) == ALPM_ERR_SIG_MISSING) {
 189                         string_display(_("Signatures     :"), _("None"));
 190                 } else if(err) {
 191                         string_display(_("Signatures     :"),
 192                                         alpm_strerror(alpm_errno(config->handle)));
 193                 } else {
 194                         signature_display(_("Signatures     :"), &siglist);
 195                 }
 196                 alpm_siglist_cleanup(&siglist);
 197         }
 198         if(from == PKG_FROM_LOCALDB) {
 199                 list_display(_("Validated By   :"), validation);
 200         }
 201         string_display(_("Description    :"), alpm_pkg_get_desc(pkg));
 202
 203         /* Print additional package info if info flag passed more than once */
 204         if(from == PKG_FROM_LOCALDB && extra) {
 205                 dump_pkg_backups(pkg);
 206         }
 207
 208         /* final newline to separate packages */
 209         printf("\n");
 210
 211         FREELIST(requiredby);
 212         alpm_list_free(validation);
 213 }
 214
 215 static const char *get_backup_file_status(const char *root,
 216                 const alpm_backup_t *backup)
 217 {
 218         char path[PATH_MAX];
 219         const char *ret;
 220
 221         snprintf(path, PATH_MAX, "%s%s", root, backup->name);
 222
 223         /* if we find the file, calculate checksums, otherwise it is missing */
 224         if(access(path, R_OK) == 0) {
 225                 char *md5sum = alpm_compute_md5sum(path);
 226
 227                 if(md5sum == NULL) {
 228                         pm_printf(ALPM_LOG_ERROR,
 229                                         _("could not calculate checksums for %s\n"), path);
 230                         return NULL;
 231                 }
 232
 233                 /* if checksums don't match, file has been modified */
 234                 if(strcmp(md5sum, backup->hash) != 0) {
 235                         ret = "MODIFIED";
 236                 } else {
 237                         ret = "UNMODIFIED";
 238                 }
 239                 free(md5sum);
 240         } else {
 241                 switch(errno) {
 242                         case EACCES:
 243                                 ret = "UNREADABLE";
 244                                 break;
 245                         case ENOENT:
 246                                 ret = "MISSING";
 247                                 break;
 248                         default:
 249                                 ret = "UNKNOWN";
 250                 }
 251         }
 252         return ret;
 253 }
 254
 255 /* Display list of backup files and their modification states
 256  */
 257 void dump_pkg_backups(alpm_pkg_t *pkg)
 258 {
 259         alpm_list_t *i;
 260         const char *root = alpm_option_get_root(config->handle);
 261         printf(_("Backup Files:\n"));
 262         if(alpm_pkg_get_backup(pkg)) {
 263                 /* package has backup files, so print them */
 264                 for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
 265                         const alpm_backup_t *backup = i->data;
 266                         const char *value;
 267                         if(!backup->hash) {
 268                                 continue;
 269                         }
 270                         value = get_backup_file_status(root, backup);
 271                         printf("%s\t%s%s\n", value, root, backup->name);
 272                 }
 273         } else {
 274                 /* package had no backup files */
 275                 printf(_("(none)\n"));
 276         }
 277 }
 278
 279 /* List all files contained in a package
 280  */
 281 void dump_pkg_files(alpm_pkg_t *pkg, int quiet)
 282 {
 283         const char *pkgname, *root;
 284         alpm_filelist_t *pkgfiles;
 285         size_t i;
 286
 287         pkgname = alpm_pkg_get_name(pkg);
 288         pkgfiles = alpm_pkg_get_files(pkg);
 289         root = alpm_option_get_root(config->handle);
 290
 291         for(i = 0; i < pkgfiles->count; i++) {
 292                 const alpm_file_t *file = pkgfiles->files + i;
 293                 /* Regular: '<pkgname> <root><filepath>\n'
 294                  * Quiet  : '<root><filepath>\n'
 295                  */
 296                 if(!quiet) {
 297                         fputs(pkgname, stdout);
 298                         putchar(' ');
 299                 }
 300                 fputs(root, stdout);
 301                 fputs(file->name, stdout);
 302                 putchar('\n');
 303         }
 304
 305         fflush(stdout);
 306 }
 307
 308 /* Display the changelog of a package
 309  */
 310 void dump_pkg_changelog(alpm_pkg_t *pkg)
 311 {
 312         void *fp = NULL;
 313
 314         if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
 315                 pm_printf(ALPM_LOG_ERROR, _("no changelog available for '%s'.\n"),
 316                                 alpm_pkg_get_name(pkg));
 317                 return;
 318         } else {
 319                 /* allocate a buffer to get the changelog back in chunks */
 320                 char buf[CLBUF_SIZE];
 321                 size_t ret = 0;
 322                 while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
 323                         if(ret < CLBUF_SIZE) {
 324                                 /* if we hit the end of the file, we need to add a null terminator */
 325                                 *(buf + ret) = '\0';
 326                         }
 327                         fputs(buf, stdout);
 328                 }
 329                 alpm_pkg_changelog_close(pkg, fp);
 330                 putchar('\n');
 331         }
 332 }
 333
 334 /* vim: set ts=2 sw=2 noet: */