src/pacman/package.c

   1 /*
   2  *  package.c
   3  *
   4  *  Copyright (c) 2006-2011 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 "config.h"
  22
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <limits.h>
  28 #include <errno.h>
  29
  30 #include <alpm.h>
  31 #include <alpm_list.h>
  32
  33 /* pacman */
  34 #include "package.h"
  35 #include "util.h"
  36 #include "conf.h"
  37
  38 #define CLBUF_SIZE 4096
  39
  40 /** Turn a depends list into a text list.
  41  * @param deps a list with items of type alpm_depend_t
  42  * @return a string list, must be freed
  43  */
  44 static void deplist_display(const char *title,
  45                 alpm_list_t *deps)
  46 {
  47         alpm_list_t *i, *text = NULL;
  48         for(i = deps; i; i = alpm_list_next(i)) {
  49                 alpm_depend_t *dep = alpm_list_getdata(i);
  50                 text = alpm_list_add(text, alpm_dep_compute_string(dep));
  51         }
  52         list_display(title, text);
  53         FREELIST(text);
  54 }
  55
  56 /**
  57  * Display the details of a package.
  58  * Extra information entails 'required by' info for sync packages and backup
  59  * files info for local packages.
  60  * @param pkg package to display information for
  61  * @param from the type of package we are dealing with
  62  * @param extra should we show extra information
  63  */
  64 void dump_pkg_full(alpm_pkg_t *pkg, int extra)
  65 {
  66         const char *reason;
  67         time_t bdate, idate;
  68         char bdatestr[50] = "", idatestr[50] = "";
  69         const char *label;
  70         double size;
  71         alpm_list_t *requiredby = NULL;
  72         alpm_pkgfrom_t from;
  73
  74         from = alpm_pkg_get_origin(pkg);
  75
  76         /* set variables here, do all output below */
  77         bdate = alpm_pkg_get_builddate(pkg);
  78         if(bdate) {
  79                 strftime(bdatestr, 50, "%c", localtime(&bdate));
  80         }
  81         idate = alpm_pkg_get_installdate(pkg);
  82         if(idate) {
  83                 strftime(idatestr, 50, "%c", localtime(&idate));
  84         }
  85
  86         switch((long)alpm_pkg_get_reason(pkg)) {
  87                 case ALPM_PKG_REASON_EXPLICIT:
  88                         reason = _("Explicitly installed");
  89                         break;
  90                 case ALPM_PKG_REASON_DEPEND:
  91                         reason = _("Installed as a dependency for another package");
  92                         break;
  93                 default:
  94                         reason = _("Unknown");
  95                         break;
  96         }
  97
  98         if(extra || from == PKG_FROM_LOCALDB) {
  99                 /* compute this here so we don't get a pause in the middle of output */
 100                 requiredby = alpm_pkg_compute_requiredby(pkg);
 101         }
 102
 103         /* actual output */
 104         if(from == PKG_FROM_SYNCDB) {
 105                 string_display(_("Repository     :"),
 106                                 alpm_db_get_name(alpm_pkg_get_db(pkg)));
 107         }
 108         string_display(_("Name           :"), alpm_pkg_get_name(pkg));
 109         string_display(_("Version        :"), alpm_pkg_get_version(pkg));
 110         string_display(_("URL            :"), alpm_pkg_get_url(pkg));
 111         list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg));
 112         list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
 113         deplist_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
 114         deplist_display(_("Depends On     :"), alpm_pkg_get_depends(pkg));
 115         list_display_linebreak(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
 116         if(extra || from == PKG_FROM_LOCALDB) {
 117                 list_display(_("Required By    :"), requiredby);
 118         }
 119         deplist_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg));
 120         deplist_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg));
 121
 122         size = humanize_size(alpm_pkg_get_size(pkg), 'K', &label);
 123         if(from == PKG_FROM_SYNCDB) {
 124                 printf(_("Download Size  : %6.2f %s\n"), size, label);
 125         } else if(from == PKG_FROM_FILE) {
 126                 printf(_("Compressed Size: %6.2f %s\n"), size, label);
 127         }
 128
 129         size = humanize_size(alpm_pkg_get_isize(pkg), 'K', &label);
 130         printf(_("Installed Size : %6.2f %s\n"), size, label);
 131
 132         string_display(_("Packager       :"), alpm_pkg_get_packager(pkg));
 133         string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg));
 134         string_display(_("Build Date     :"), bdatestr);
 135         if(from == PKG_FROM_LOCALDB) {
 136                 string_display(_("Install Date   :"), idatestr);
 137                 string_display(_("Install Reason :"), reason);
 138         }
 139         if(from == PKG_FROM_FILE || from == PKG_FROM_LOCALDB) {
 140                 string_display(_("Install Script :"),
 141                                 alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"));
 142         }
 143
 144         if(from == PKG_FROM_SYNCDB) {
 145                 string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg));
 146                 string_display(_("SHA256 Sum     :"), alpm_pkg_get_sha256sum(pkg));
 147                 string_display(_("Signatures     :"),
 148                                 alpm_pkg_get_base64_sig(pkg) ? _("Yes") : _("None"));
 149         }
 150         if(from == PKG_FROM_FILE) {
 151                 alpm_siglist_t siglist;
 152                 int err = alpm_pkg_check_pgp_signature(pkg, &siglist);
 153                 if(err && alpm_errno(config->handle) == ALPM_ERR_SIG_MISSING) {
 154                         string_display(_("Signatures     :"), _("None"));
 155                 } else if(err) {
 156                         string_display(_("Signatures     :"),
 157                                         alpm_strerror(alpm_errno(config->handle)));
 158                 } else {
 159                         signature_display(_("Signatures     :"), &siglist);
 160                 }
 161                 alpm_siglist_cleanup(&siglist);
 162         }
 163         string_display(_("Description    :"), alpm_pkg_get_desc(pkg));
 164
 165         /* Print additional package info if info flag passed more than once */
 166         if(from == PKG_FROM_LOCALDB && extra) {
 167                 dump_pkg_backups(pkg);
 168         }
 169
 170         /* final newline to separate packages */
 171         printf("\n");
 172
 173         FREELIST(requiredby);
 174 }
 175
 176 static const char *get_backup_file_status(const char *root,
 177                 const alpm_backup_t *backup)
 178 {
 179         char path[PATH_MAX];
 180         const char *ret;
 181
 182         snprintf(path, PATH_MAX, "%s%s", root, backup->name);
 183
 184         /* if we find the file, calculate checksums, otherwise it is missing */
 185         if(access(path, R_OK) == 0) {
 186                 char *md5sum = alpm_compute_md5sum(path);
 187
 188                 if(md5sum == NULL) {
 189                         pm_fprintf(stderr, ALPM_LOG_ERROR,
 190                                         _("could not calculate checksums for %s\n"), path);
 191                         return NULL;
 192                 }
 193
 194                 /* if checksums don't match, file has been modified */
 195                 if(strcmp(md5sum, backup->hash) != 0) {
 196                         ret = "MODIFIED";
 197                 } else {
 198                         ret = "UNMODIFIED";
 199                 }
 200                 free(md5sum);
 201         } else {
 202                 switch(errno) {
 203                         case EACCES:
 204                                 ret = "UNREADABLE";
 205                                 break;
 206                         case ENOENT:
 207                                 ret = "MISSING";
 208                                 break;
 209                         default:
 210                                 ret = "UNKNOWN";
 211                 }
 212         }
 213         return ret;
 214 }
 215
 216 /* Display list of backup files and their modification states
 217  */
 218 void dump_pkg_backups(alpm_pkg_t *pkg)
 219 {
 220         alpm_list_t *i;
 221         const char *root = alpm_option_get_root(config->handle);
 222         printf(_("Backup Files:\n"));
 223         if(alpm_pkg_get_backup(pkg)) {
 224                 /* package has backup files, so print them */
 225                 for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
 226                         const alpm_backup_t *backup = alpm_list_getdata(i);
 227                         const char *value;
 228                         if(!backup->hash) {
 229                                 continue;
 230                         }
 231                         value = get_backup_file_status(root, backup);
 232                         printf("%s\t%s%s\n", value, root, backup->name);
 233                 }
 234         } else {
 235                 /* package had no backup files */
 236                 printf(_("(none)\n"));
 237         }
 238 }
 239
 240 /* List all files contained in a package
 241  */
 242 void dump_pkg_files(alpm_pkg_t *pkg, int quiet)
 243 {
 244         const char *pkgname, *root;
 245         alpm_filelist_t *pkgfiles;
 246         size_t i;
 247
 248         pkgname = alpm_pkg_get_name(pkg);
 249         pkgfiles = alpm_pkg_get_files(pkg);
 250         root = alpm_option_get_root(config->handle);
 251
 252         for(i = 0; i < pkgfiles->count; i++) {
 253                 const alpm_file_t *file = pkgfiles->files + i;
 254                 if(!quiet) {
 255                         fprintf(stdout, "%s %s%s\n", pkgname, root, file->name);
 256                 } else {
 257                         fprintf(stdout, "%s%s\n", root, file->name);
 258                 }
 259         }
 260
 261         fflush(stdout);
 262 }
 263
 264 /* Display the changelog of a package
 265  */
 266 void dump_pkg_changelog(alpm_pkg_t *pkg)
 267 {
 268         void *fp = NULL;
 269
 270         if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
 271                 pm_fprintf(stderr, ALPM_LOG_ERROR, _("no changelog available for '%s'.\n"),
 272                                 alpm_pkg_get_name(pkg));
 273                 return;
 274         } else {
 275                 /* allocate a buffer to get the changelog back in chunks */
 276                 char buf[CLBUF_SIZE];
 277                 size_t ret = 0;
 278                 while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
 279                         if(ret < CLBUF_SIZE) {
 280                                 /* if we hit the end of the file, we need to add a null terminator */
 281                                 *(buf + ret) = '\0';
 282                         }
 283                         printf("%s", buf);
 284                 }
 285                 alpm_pkg_changelog_close(pkg, fp);
 286                 printf("\n");
 287         }
 288 }
 289
 290 /* vim: set ts=2 sw=2 noet: */