1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
2 *
3 * Copyright (C) 2014 Richard Hughes <richard@hughsie.com>
4 *
5 * SPDX-License-Identifier: LGPL-2.1+
6 */
7
8 /**
9 * SECTION:asb-package-deb
10 * @short_description: Object representing a .DEB package file.
11 * @stability: Unstable
12 *
13 * This object represents one .deb package file.
14 */
15
16 #include "config.h"
17
18 #include "asb-package-deb.h"
19 #include "asb-plugin.h"
20
21
G_DEFINE_TYPE(AsbPackageDeb,asb_package_deb,ASB_TYPE_PACKAGE)22 G_DEFINE_TYPE (AsbPackageDeb, asb_package_deb, ASB_TYPE_PACKAGE)
23
24 static void
25 asb_package_deb_init (AsbPackageDeb *pkg)
26 {
27 }
28
29 static gboolean
asb_package_deb_ensure_simple(AsbPackage * pkg,GError ** error)30 asb_package_deb_ensure_simple (AsbPackage *pkg, GError **error)
31 {
32 const gchar *argv[4] = { "dpkg", "--field", "fn", NULL };
33 gchar *tmp;
34 guint i;
35 guint j;
36 g_autofree gchar *output = NULL;
37 g_auto(GStrv) lines = NULL;
38
39 /* spawn sync */
40 argv[2] = asb_package_get_filename (pkg);
41 if (!g_spawn_sync (NULL, (gchar **) argv, NULL,
42 G_SPAWN_SEARCH_PATH,
43 NULL, NULL,
44 &output, NULL, NULL, error))
45 return FALSE;
46
47 /* parse output */
48 lines = g_strsplit (output, "\n", -1);
49 for (i = 0; lines[i] != NULL; i++) {
50 if (g_str_has_prefix (lines[i], "Package: ")) {
51 asb_package_set_name (pkg, lines[i] + 9);
52 continue;
53 }
54 if (g_str_has_prefix (lines[i], "Source: ")) {
55 asb_package_set_source (pkg, lines[i] + 8);
56 continue;
57 }
58 if (g_str_has_prefix (lines[i], "Version: ")) {
59 g_auto(GStrv) vr = NULL;
60 vr = g_strsplit (lines[i] + 9, "-", 2);
61 tmp = g_strstr_len (vr[0], -1, ":");
62 if (tmp == NULL) {
63 asb_package_set_version (pkg, vr[0]);
64 } else {
65 *tmp = '\0';
66 j = (guint) g_ascii_strtoull (vr[0], NULL, 10);
67 asb_package_set_epoch (pkg, j);
68 asb_package_set_version (pkg, tmp + 1);
69 }
70 if (vr[1] != NULL) {
71 asb_package_set_release (pkg, vr[1]);
72 } else {
73 /* packages don't actually have to have a
74 * release value like rpm; in this case fake
75 * something plausible */
76 asb_package_set_release (pkg, "0");
77 }
78 continue;
79 }
80 if (g_str_has_prefix (lines[i], "Depends: ")) {
81 g_auto(GStrv) vr = NULL;
82 vr = g_strsplit (lines[i] + 9, ", ", -1);
83 for (j = 0; vr[j] != NULL; j++) {
84 tmp = g_strstr_len (vr[j], -1, " ");
85 if (tmp != NULL)
86 *tmp = '\0';
87 asb_package_add_dep (pkg, vr[j]);
88 }
89 continue;
90 }
91 }
92 return TRUE;
93 }
94
95 static gboolean
asb_package_deb_ensure_filelists(AsbPackage * pkg,GError ** error)96 asb_package_deb_ensure_filelists (AsbPackage *pkg, GError **error)
97 {
98 const gchar *argv[4] = { "dpkg", "--contents", "fn", NULL };
99 const gchar *fn;
100 guint i;
101 g_autofree gchar *output = NULL;
102 g_autoptr(GPtrArray) files = NULL;
103 g_auto(GStrv) lines = NULL;
104
105 /* spawn sync */
106 argv[2] = asb_package_get_filename (pkg);
107 if (!g_spawn_sync (NULL, (gchar **) argv, NULL,
108 G_SPAWN_SEARCH_PATH,
109 NULL, NULL,
110 &output, NULL, NULL, error))
111 return FALSE;
112
113 /* parse output */
114 files = g_ptr_array_new_with_free_func (g_free);
115 lines = g_strsplit (output, "\n", -1);
116 for (i = 0; lines[i] != NULL; i++) {
117 fn = g_strrstr (lines[i], " ");
118 if (fn == NULL)
119 continue;
120 /* ignore directories */
121 if (g_str_has_suffix (fn, "/"))
122 continue;
123 g_ptr_array_add (files, g_strdup (fn + 2));
124 }
125
126 /* save */
127 g_ptr_array_add (files, NULL);
128 asb_package_set_filelist (pkg, (gchar **) files->pdata);
129 return TRUE;
130 }
131
132 static gboolean
asb_package_deb_open(AsbPackage * pkg,const gchar * filename,GError ** error)133 asb_package_deb_open (AsbPackage *pkg, const gchar *filename, GError **error)
134 {
135 /* read package stuff */
136 if (!asb_package_deb_ensure_simple (pkg, error))
137 return FALSE;
138 if (!asb_package_deb_ensure_filelists (pkg, error))
139 return FALSE;
140 return TRUE;
141 }
142
143 static gboolean
asb_package_deb_explode(AsbPackage * pkg,const gchar * dir,GPtrArray * glob,GError ** error)144 asb_package_deb_explode (AsbPackage *pkg,
145 const gchar *dir,
146 GPtrArray *glob,
147 GError **error)
148 {
149 guint i;
150 const gchar *data_names[] = { "data.tar.xz",
151 "data.tar.bz2",
152 "data.tar.gz",
153 "data.tar.lzma",
154 "data.tar",
155 NULL };
156
157 /* first decompress the main deb */
158 if (!asb_utils_explode (asb_package_get_filename (pkg),
159 dir, NULL, error))
160 return FALSE;
161
162 /* then decompress the data file */
163 for (i = 0; data_names[i] != NULL; i++) {
164 g_autofree gchar *data_fn = NULL;
165 data_fn = g_build_filename (dir, data_names[i], NULL);
166 if (g_file_test (data_fn, G_FILE_TEST_EXISTS)) {
167 if (!asb_utils_explode (data_fn, dir, glob, error))
168 return FALSE;
169 }
170 }
171 return TRUE;
172 }
173
174 static void
asb_package_deb_class_init(AsbPackageDebClass * klass)175 asb_package_deb_class_init (AsbPackageDebClass *klass)
176 {
177 AsbPackageClass *package_class = ASB_PACKAGE_CLASS (klass);
178 package_class->open = asb_package_deb_open;
179 package_class->explode = asb_package_deb_explode;
180 }
181
182 /**
183 * asb_package_deb_new:
184 *
185 * Creates a new DEB package.
186 *
187 * Returns: a package
188 *
189 * Since: 0.1.0
190 **/
191 AsbPackage *
asb_package_deb_new(void)192 asb_package_deb_new (void)
193 {
194 AsbPackage *pkg;
195 pkg = g_object_new (ASB_TYPE_PACKAGE_DEB, NULL);
196 return ASB_PACKAGE (pkg);
197 }
198