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