lib/libalpm/package.h


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

/*
 *  package.h
 *
 *  Copyright (c) 2006-2013 Pacman Development Team <pacman-dev@archlinux.org>
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *  Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
 *  Copyright (c) 2006 by David Kimpe <dnaku@frugalware.org>
 *  Copyright (c) 2005, 2006 by Christian Hamar <krics@linuxforum.hu>
 *  Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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/>.
 */
#ifndef _ALPM_PACKAGE_H
#define _ALPM_PACKAGE_H

#include <sys/types.h> /* off_t */

/* libarchive */
#include <archive.h>
#include <archive_entry.h>

#include "alpm.h"
#include "backup.h"
#include "db.h"
#include "signing.h"

/** Package operations struct. This struct contains function pointers to
 * all methods used to access data in a package to allow for things such
 * as lazy package intialization (such as used by the file backend). Each
 * backend is free to define a stuct containing pointers to a specific
 * implementation of these methods. Some backends may find using the
 * defined default_pkg_ops struct to work just fine for their needs.
 */
struct pkg_operations {
  const char *(*get_desc) (alpm_pkg_t *);
  const char *(*get_url) (alpm_pkg_t *);
  alpm_time_t (*get_builddate) (alpm_pkg_t *);
  alpm_time_t (*get_installdate) (alpm_pkg_t *);
  const char *(*get_packager) (alpm_pkg_t *);
  const char *(*get_arch) (alpm_pkg_t *);
  off_t (*get_isize) (alpm_pkg_t *);
  alpm_pkgreason_t (*get_reason) (alpm_pkg_t *);
  alpm_pkgvalidation_t (*get_validation) (alpm_pkg_t *);
  int (*has_scriptlet) (alpm_pkg_t *);

  alpm_list_t *(*get_licenses) (alpm_pkg_t *);
  alpm_list_t *(*get_groups) (alpm_pkg_t *);
  alpm_list_t *(*get_depends) (alpm_pkg_t *);
  alpm_list_t *(*get_optdepends) (alpm_pkg_t *);
  alpm_list_t *(*get_conflicts) (alpm_pkg_t *);
  alpm_list_t *(*get_provides) (alpm_pkg_t *);
  alpm_list_t *(*get_replaces) (alpm_pkg_t *);
  alpm_filelist_t *(*get_files) (alpm_pkg_t *);
  alpm_list_t *(*get_backup) (alpm_pkg_t *);

  void *(*changelog_open) (alpm_pkg_t *);
  size_t (*changelog_read) (void *, size_t, const alpm_pkg_t *, void *);
  int (*changelog_close) (const alpm_pkg_t *, void *);

  struct archive *(*mtree_open) (alpm_pkg_t *);
  int (*mtree_next) (const alpm_pkg_t *, struct archive *, struct archive_entry **);
  int (*mtree_close) (const alpm_pkg_t *, struct archive *);

  int (*force_load) (alpm_pkg_t *);
};

/** The standard package operations struct. get fields directly from the
 * struct itself with no abstraction layer or any type of lazy loading.
 * The actual definition is in package.c so it can have access to the
 * default accessor functions which are defined there.
 */
extern struct pkg_operations default_pkg_ops;

struct __alpm_pkg_t {
  unsigned long name_hash;
  char *filename;
  char *name;
  char *version;
  char *desc;
  char *url;
  char *packager;
  char *md5sum;
  char *sha256sum;
  char *base64_sig;
  char *arch;

  alpm_time_t builddate;
  alpm_time_t installdate;

  off_t size;
  off_t isize;
  off_t download_size;

  int scriptlet;

  alpm_pkgreason_t reason;
  alpm_pkgvalidation_t validation;
  alpm_dbinfrq_t infolevel;
  alpm_pkgfrom_t origin;
  /* origin == PKG_FROM_FILE, use pkg->origin_data.file
   * origin == PKG_FROM_*DB, use pkg->origin_data.db */
  union {
    alpm_db_t *db;
    char *file;
  } origin_data;
  alpm_handle_t *handle;

  alpm_list_t *licenses;
  alpm_list_t *replaces;
  alpm_list_t *groups;
  alpm_list_t *backup;
  alpm_list_t *depends;
  alpm_list_t *optdepends;
  alpm_list_t *conflicts;
  alpm_list_t *provides;
  alpm_list_t *deltas;
  alpm_list_t *delta_path;
  alpm_list_t *removes; /* in transaction targets only */

  struct pkg_operations *ops;

  alpm_filelist_t files;
};

alpm_file_t *_alpm_file_copy(alpm_file_t *dest, const alpm_file_t *src);

alpm_pkg_t *_alpm_pkg_new(void);
int _alpm_pkg_dup(alpm_pkg_t *pkg, alpm_pkg_t **new_ptr);
void _alpm_pkg_free(alpm_pkg_t *pkg);
void _alpm_pkg_free_trans(alpm_pkg_t *pkg);

int _alpm_pkg_validate_internal(alpm_handle_t *handle,
    const char *pkgfile, alpm_pkg_t *syncpkg, alpm_siglevel_t level,
    alpm_siglist_t **sigdata, alpm_pkgvalidation_t *validation);
alpm_pkg_t *_alpm_pkg_load_internal(alpm_handle_t *handle,
    const char *pkgfile, int full);

int _alpm_pkg_cmp(const void *p1, const void *p2);
int _alpm_pkg_compare_versions(alpm_pkg_t *local_pkg, alpm_pkg_t *pkg);

#endif /* _ALPM_PACKAGE_H */

/* vim: set ts=2 sw=2 noet: */