summaryrefslogtreecommitdiff
path: root/src/pacman/package.c
blob: 78bfb504a85aace47fb0fd52ac187a77164374b9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
/*
 *  package.c
 *
 *  Copyright (c) 2006-2013 Pacman Development Team <pacman-dev@archlinux.org>
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include <time.h>

#include <alpm.h>
#include <alpm_list.h>

/* pacman */
#include "package.h"
#include "util.h"
#include "conf.h"

#define CLBUF_SIZE 4096

/** Turn a depends list into a text list.
 * @param deps a list with items of type alpm_depend_t
 */
static void deplist_display(const char *title,
    alpm_list_t *deps, unsigned short cols)
{
  alpm_list_t *i, *text = NULL;
  for(i = deps; i; i = alpm_list_next(i)) {
    alpm_depend_t *dep = i->data;
    text = alpm_list_add(text, alpm_dep_compute_string(dep));
  }
  list_display(title, text, cols);
  FREELIST(text);
}

/** Turn a optdepends list into a text list.
 * @param optdeps a list with items of type alpm_depend_t
 */
static void optdeplist_display(alpm_pkg_t *pkg, unsigned short cols)
{
  alpm_list_t *i, *text = NULL;
  for(i = alpm_pkg_get_optdepends(pkg); i; i = alpm_list_next(i)) {
    alpm_depend_t *optdep = i->data;
    char *depstring = alpm_dep_compute_string(optdep);
    if(alpm_pkg_get_origin(pkg) == ALPM_PKG_FROM_LOCALDB) {
      if(alpm_db_get_pkg(alpm_get_localdb(config->handle), optdep->name)) {
        const char *installed = _(" [installed]");
        depstring = realloc(depstring, strlen(depstring) + strlen(installed) + 1);
        strcpy(depstring + strlen(depstring), installed);
      }
    }
    text = alpm_list_add(text, depstring);
  }
  list_display_linebreak(_("Optional Deps  :"), text, cols);
  FREELIST(text);
}

/**
 * Display the details of a package.
 * Extra information entails 'required by' info for sync packages and backup
 * files info for local packages.
 * @param pkg package to display information for
 * @param from the type of package we are dealing with
 * @param extra should we show extra information
 */
void dump_pkg_full(alpm_pkg_t *pkg, int extra)
{
  unsigned short cols;
  time_t bdate, idate;
  alpm_pkgfrom_t from;
  double size;
  char bdatestr[50] = "", idatestr[50] = "";
  const char *label, *reason;
  alpm_list_t *validation = NULL, *requiredby = NULL, *optionalfor = NULL;

  from = alpm_pkg_get_origin(pkg);

  /* set variables here, do all output below */
  bdate = (time_t)alpm_pkg_get_builddate(pkg);
  if(bdate) {
    strftime(bdatestr, 50"%c", localtime(&bdate));
  }
  idate = (time_t)alpm_pkg_get_installdate(pkg);
  if(idate) {
    strftime(idatestr, 50"%c", localtime(&idate));
  }

  switch(alpm_pkg_get_reason(pkg)) {
    case ALPM_PKG_REASON_EXPLICIT:
      reason = _("Explicitly installed");
      break;
    case ALPM_PKG_REASON_DEPEND:
      reason = _("Installed as a dependency for another package");
      break;
    default:
      reason = _("Unknown");
      break;
  }

  alpm_pkgvalidation_t v = alpm_pkg_get_validation(pkg);
  if(v) {
    if(v & ALPM_PKG_VALIDATION_NONE) {
      validation = alpm_list_add(validation, _("None"));
    } else {
      if(v & ALPM_PKG_VALIDATION_MD5SUM) {
        validation = alpm_list_add(validation, _("MD5 Sum"));
      }
      if(v & ALPM_PKG_VALIDATION_SHA256SUM) {
        validation = alpm_list_add(validation, _("SHA256 Sum"));
      }
      if(v & ALPM_PKG_VALIDATION_SIGNATURE) {
        validation = alpm_list_add(validation, _("Signature"));
      }
    }
  } else {
    validation = alpm_list_add(validation, _("Unknown"));
  }

  if(extra || from == ALPM_PKG_FROM_LOCALDB) {
    /* compute this here so we don't get a pause in the middle of output */
    requiredby = alpm_pkg_compute_requiredby(pkg);
    optionalfor = alpm_pkg_compute_optionalfor(pkg);
  }

  cols = getcols(fileno(stdout));

  /* actual output */
  if(from == ALPM_PKG_FROM_SYNCDB) {
    string_display(_("Repository     :"),
        alpm_db_get_name(alpm_pkg_get_db(pkg)), cols);
  }
  string_display(_("Name           :"), alpm_pkg_get_name(pkg), cols);
  string_display(_("Version        :"), alpm_pkg_get_version(pkg), cols);
  string_display(_("Description    :"), alpm_pkg_get_desc(pkg), cols);
  string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg), cols);
  string_display(_("URL            :"), alpm_pkg_get_url(pkg), cols);
  list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg), cols);
  list_display(_("Groups         :"), alpm_pkg_get_groups(pkg), cols);
  deplist_display(_("Provides       :"), alpm_pkg_get_provides(pkg), cols);
  deplist_display(_("Depends On     :"), alpm_pkg_get_depends(pkg), cols);
  optdeplist_display(pkg, cols);

  if(extra || from == ALPM_PKG_FROM_LOCALDB) {
    list_display(_("Required By    :"), requiredby, cols);
    list_display(_("Optional For   :"), optionalfor, cols);
  }
  deplist_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg), cols);
  deplist_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg), cols);

  size = humanize_size(alpm_pkg_get_size(pkg), '\0'2, &label);
  if(from == ALPM_PKG_FROM_SYNCDB) {
    printf("%s%s%s %6.2f %s\n", config->colstr.title, _("Download Size  :"),
      config->colstr.nocolor, size, label);
  } else if(from == ALPM_PKG_FROM_FILE) {
    printf("%s%s%s %6.2f %s\n", config->colstr.title, _("Compressed Size:"),
      config->colstr.nocolor, size, label);
  } else {
    // autodetect size for "Installed Size"
    label = "\0";
  }

  size = humanize_size(alpm_pkg_get_isize(pkg), label[0], 2, &label);
  printf("%s%s%s %6.2f %s\n", config->colstr.title, _("Installed Size :"),
      config->colstr.nocolor, size, label);

  string_display(_("Packager       :"), alpm_pkg_get_packager(pkg), cols);
  string_display(_("Build Date     :"), bdatestr, cols);
  if(from == ALPM_PKG_FROM_LOCALDB) {
    string_display(_("Install Date   :"), idatestr, cols);
    string_display(_("Install Reason :"), reason, cols);
  }
  if(from == ALPM_PKG_FROM_FILE || from == ALPM_PKG_FROM_LOCALDB) {
    string_display(_("Install Script :"),
        alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"), cols);
  }

  if(from == ALPM_PKG_FROM_SYNCDB && extra) {
    const char *base64_sig = alpm_pkg_get_base64_sig(pkg);
    alpm_list_t *keys = NULL;
    if(base64_sig) {
      unsigned char *decoded_sigdata = NULL;
      size_t data_len;
      alpm_decode_signature(base64_sig, &decoded_sigdata, &data_len);
      alpm_extract_keyid(config->handle, alpm_pkg_get_name(pkg),
          decoded_sigdata, data_len, &keys);
    } else {
      keys = alpm_list_add(keys, _("None"));
    }

    string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg), cols);
    string_display(_("SHA256 Sum     :"), alpm_pkg_get_sha256sum(pkg), cols);
    list_display(_("Signatures     :"), keys, cols);
  } else {
    list_display(_("Validated By   :"), validation, cols);
  }

  if(from == ALPM_PKG_FROM_FILE) {
    alpm_siglist_t siglist;
    int err = alpm_pkg_check_pgp_signature(pkg, &siglist);
    if(err && alpm_errno(config->handle) == ALPM_ERR_SIG_MISSING) {
      string_display(_("Signatures     :"), _("None"), cols);
    } else if(err) {
      string_display(_("Signatures     :"),
          alpm_strerror(alpm_errno(config->handle)), cols);
    } else {
      signature_display(_("Signatures     :"), &siglist, cols);
    }
    alpm_siglist_cleanup(&siglist);
  }

  /* Print additional package info if info flag passed more than once */
  if(from == ALPM_PKG_FROM_LOCALDB && extra) {
    dump_pkg_backups(pkg);
  }

  /* final newline to separate packages */
  printf("\n");

  FREELIST(requiredby);
  alpm_list_free(validation);
}

static const char *get_backup_file_status(const char *root,
    const alpm_backup_t *backup)
{
  char path[PATH_MAX];
  const char *ret;

  snprintf(path, PATH_MAX, "%s%s", root, backup->name);

  /* if we find the file, calculate checksums, otherwise it is missing */
  if(access(path, R_OK) == 0) {
    char *md5sum = alpm_compute_md5sum(path);

    if(md5sum == NULL) {
      pm_printf(ALPM_LOG_ERROR,
          _("could not calculate checksums for %s\n"), path);
      return NULL;
    }

    /* if checksums don't match, file has been modified */
    if(strcmp(md5sum, backup->hash) != 0) {
      ret = "MODIFIED";
    } else {
      ret = "UNMODIFIED";
    }
    free(md5sum);
  } else {
    switch(errno) {
      case EACCES:
        ret = "UNREADABLE";
        break;
      case ENOENT:
        ret = "MISSING";
        break;
      default:
        ret = "UNKNOWN";
    }
  }
  return ret;
}

/* Display list of backup files and their modification states
 */
void dump_pkg_backups(alpm_pkg_t *pkg)
{
  alpm_list_t *i;
  const char *root = alpm_option_get_root(config->handle);
  printf("%s%s%s", config->colstr.title, _("Backup Files:\n"),
         config->colstr.nocolor);
  if(alpm_pkg_get_backup(pkg)) {
    /* package has backup files, so print them */
    for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
      const alpm_backup_t *backup = i->data;
      const char *value;
      if(!backup->hash) {
        continue;
      }
      value = get_backup_file_status(root, backup);
      printf("%s\t%s%s\n", value, root, backup->name);
    }
  } else {
    /* package had no backup files */
    printf(_("(none)\n"));
  }
}

/* List all files contained in a package
 */
void dump_pkg_files(alpm_pkg_t *pkg, int quiet)
{
  const char *pkgname, *root;
  alpm_filelist_t *pkgfiles;
  size_t i;

  pkgname = alpm_pkg_get_name(pkg);
  pkgfiles = alpm_pkg_get_files(pkg);
  root = alpm_option_get_root(config->handle);

  for(i = 0; i < pkgfiles->count; i++) {
    const alpm_file_t *file = pkgfiles->files + i;
    /* Regular: '<pkgname> <root><filepath>\n'
     * Quiet  : '<root><filepath>\n'
     */
    if(!quiet) {
      printf("%s%s%s ", config->colstr.title, pkgname, config->colstr.nocolor);
    }
    printf("%s%s\n", root, file->name);
  }

  fflush(stdout);
}

/* Display the changelog of a package
 */
void dump_pkg_changelog(alpm_pkg_t *pkg)
{
  void *fp = NULL;

  if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
    pm_printf(ALPM_LOG_ERROR, _("no changelog available for '%s'.\n"),
        alpm_pkg_get_name(pkg));
    return;
  } else {
    fprintf(stdout, _("Changelog for %s:\n"), alpm_pkg_get_name(pkg));
    /* allocate a buffer to get the changelog back in chunks */
    char buf[CLBUF_SIZE];
    size_t ret = 0;
    while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
      if(ret < CLBUF_SIZE) {
        /* if we hit the end of the file, we need to add a null terminator */
        *(buf + ret) = '\0';
      }
      fputs(buf, stdout);
    }
    alpm_pkg_changelog_close(pkg, fp);
    putchar('\n');
  }
}

void print_installed(alpm_db_t *db_local, alpm_pkg_t *pkg)
{
  const char *pkgname = alpm_pkg_get_name(pkg);
  const char *pkgver = alpm_pkg_get_version(pkg);
  alpm_pkg_t *lpkg = alpm_db_get_pkg(db_local, pkgname);
  if(lpkg) {
    const char *lpkgver = alpm_pkg_get_version(lpkg);
    const colstr_t *colstr = &config->colstr;
    if(strcmp(lpkgver, pkgver) == 0) {
      printf(%s[%s]%s", colstr->meta, _("installed"), colstr->nocolor);
    } else {
      printf(%s[%s%s]%s", colstr->meta, _("installed"),
          lpkgver, colstr->nocolor);
    }
  }
}

/**
 * Display the details of a search.
 * @param db the database we're searching
 * @param targets the targets we're searching for
 * @param show_status show if the package is also in the local db
 */
int dump_pkg_search(alpm_db_t *db, alpm_list_t *targets, int show_status)
{
  int freelist = 0;
  alpm_db_t *db_local;
  alpm_list_t *i, *searchlist;
  unsigned short cols;
  const colstr_t *colstr = &config->colstr;

  if(show_status) {
    db_local = alpm_get_localdb(config->handle);
  }

  /* if we have a targets list, search for packages matching it */
  if(targets) {
    searchlist = alpm_db_search(db, targets);
    freelist = 1;
  } else {
    searchlist = alpm_db_get_pkgcache(db);
    freelist = 0;
  }
  if(searchlist == NULL) {
    return 1;
  }

  cols = getcols(fileno(stdout));
  for(i = searchlist; i; i = alpm_list_next(i)) {
    alpm_list_t *grp;
    alpm_pkg_t *pkg = i->data;

    if(config->quiet) {
      fputs(alpm_pkg_get_name(pkg), stdout);
    } else {
      printf("%s%s/%s%s %s%s%s", colstr->repo, alpm_db_get_name(db),
          colstr->title, alpm_pkg_get_name(pkg),
          colstr->version, alpm_pkg_get_version(pkg), colstr->nocolor);

      if((grp = alpm_pkg_get_groups(pkg)) != NULL) {
        alpm_list_t *k;
        printf(%s(", colstr->groups);
        for(k = grp; k; k = alpm_list_next(k)) {
          const char *group = k->data;
          fputs(group, stdout);
          if(alpm_list_next(k)) {
            /* only print a spacer if there are more groups */
            putchar(' ');
          }
        }
        printf(")%s", colstr->nocolor);
      }

      if(show_status) {
        print_installed(db_local, pkg);
      }

      /* we need a newline and initial indent first */
      fputs("\n    "stdout);
      indentprint(alpm_pkg_get_desc(pkg), 4, cols);
    }
    fputc('\n'stdout);
  }

  /* we only want to free if the list was a search list */
  if(freelist) {
    alpm_list_free(searchlist);
  }

  return 0;
}

/* vim: set ts=2 sw=2 noet: */