1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 
3 /*
4  *  Engrampa
5  *
6  *  Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02110-1301, USA.
21  */
22 
23 #include <stdlib.h>
24 #include <string.h>
25 #include <time.h>
26 
27 #include <glib.h>
28 
29 #include "file-data.h"
30 #include "file-utils.h"
31 #include "glib-utils.h"
32 #include "fr-command.h"
33 #include "fr-command-ace.h"
34 
35 static void fr_command_ace_class_init  (FrCommandAceClass *class);
36 static void fr_command_ace_init        (FrCommand        *afile);
37 static void fr_command_ace_finalize    (GObject          *object);
38 
39 /* Parent Class */
40 
41 static FrCommandClass *parent_class = NULL;
42 
43 
44 /* -- list -- */
45 
46 
47 static time_t
mktime_from_string(char * date,char * time)48 mktime_from_string (char *date,
49 		    char *time)
50 {
51 	struct tm    tm = {0, };
52 	char       **fields;
53 
54 	tm.tm_isdst = -1;
55 
56 	/* date */
57 
58 	fields = g_strsplit (date, ".", 3);
59 	if (fields[0] != NULL) {
60 		tm.tm_mday = atoi (fields[0]);
61 		if (fields[1] != NULL) {
62 			tm.tm_mon = atoi (fields[1]) - 1;
63 			if (fields[2] != NULL) {
64 				int y = atoi (fields[2]);
65 				if (y > 75)
66 					tm.tm_year = y;
67 				else
68 					tm.tm_year = 100 + y;
69 			}
70 		}
71 	}
72 	g_strfreev (fields);
73 
74 	/* time */
75 
76 	fields = g_strsplit (time, ":", 2);
77 	if (fields[0] != NULL) {
78 		tm.tm_hour = atoi (fields[0]);
79 		if (fields[1] != NULL)
80 			tm.tm_min = atoi (fields[1]);
81 	}
82 	tm.tm_sec = 0;
83 	g_strfreev (fields);
84 
85 	return mktime (&tm);
86 }
87 
88 
89 static void
process_line(char * line,gpointer data)90 process_line (char     *line,
91 	      gpointer  data)
92 {
93 	FileData      *fdata;
94 	FrCommandAce  *ace_comm = FR_COMMAND_ACE (data);
95 	FrCommand     *comm = FR_COMMAND (data);
96 	char         **fields = NULL;
97 	const char    *field_name = NULL;
98 
99 	g_return_if_fail (line != NULL);
100 
101 	if (ace_comm->command_type == FR_ACE_COMMAND_UNKNOWN) {
102 		if (g_str_has_prefix (line, "UNACE")) {
103 			if (strstr (line, "public version") != NULL)
104 				ace_comm->command_type = FR_ACE_COMMAND_PUBLIC;
105 			else
106 				ace_comm->command_type = FR_ACE_COMMAND_NONFREE;
107 		}
108 		return;
109 	}
110 
111 	if (! ace_comm->list_started) {
112 		if (ace_comm->command_type == FR_ACE_COMMAND_PUBLIC) {
113 			if (g_str_has_prefix (line, "Date"))
114 				ace_comm->list_started = TRUE;
115 		}
116 		else if (ace_comm->command_type == FR_ACE_COMMAND_NONFREE) {
117 			if (g_str_has_prefix (line, "  Date"))
118 				ace_comm->list_started = TRUE;
119 		}
120 		return;
121 	}
122 
123 	fdata = file_data_new ();
124 
125 	if (ace_comm->command_type == FR_ACE_COMMAND_PUBLIC)
126 		fields = g_strsplit (line, "|", 6);
127 	else if (ace_comm->command_type == FR_ACE_COMMAND_NONFREE)
128 		fields = split_line (line, 5);
129 
130 	if ((fields == NULL) || (fields[0] == NULL) || (n_fields (fields) < 5))
131 		return;
132 
133 	fdata->size = g_ascii_strtoull (fields[3], NULL, 10);
134 	fdata->modified = mktime_from_string (fields[0], fields[1]);
135 
136 	if (ace_comm->command_type == FR_ACE_COMMAND_PUBLIC) {
137 		field_name = fields[5];
138 		field_name = field_name + 1;
139 	}
140 	else if (ace_comm->command_type == FR_ACE_COMMAND_NONFREE)
141 		field_name = get_last_field (line, 6);
142 
143         g_assert (field_name != NULL);
144 	if (field_name[0] != '/') {
145 		fdata->full_path = g_strconcat ("/", field_name, NULL);
146 		fdata->original_path = fdata->full_path + 1;
147 	}
148 	else {
149 		fdata->full_path = g_strdup (field_name);
150 		fdata->original_path = fdata->full_path;
151 	}
152 
153 	g_strfreev (fields);
154 
155 	fdata->name = g_strdup (file_name_from_path (fdata->full_path));
156 	fdata->path = remove_level_from_path (fdata->full_path);
157 
158 	if (*fdata->name == 0)
159 		file_data_free (fdata);
160 	else
161 		fr_command_add_file (comm, fdata);
162 }
163 
164 
165 static void
list__begin(gpointer data)166 list__begin (gpointer data)
167 {
168 	FrCommandAce *comm = data;
169 
170 	comm->list_started = FALSE;
171 	comm->command_type = FR_ACE_COMMAND_UNKNOWN;
172 }
173 
174 
175 static void
fr_command_ace_list(FrCommand * comm)176 fr_command_ace_list (FrCommand  *comm)
177 {
178 	fr_process_set_out_line_func (comm->process, process_line, comm);
179 
180 	fr_process_begin_command (comm->process, "unace");
181 	fr_process_set_begin_func (comm->process, list__begin, comm);
182 	fr_process_add_arg (comm->process, "v");
183 	fr_process_add_arg (comm->process, "-y");
184 	fr_process_add_arg (comm->process, comm->filename);
185 	fr_process_end_command (comm->process);
186 	fr_process_start (comm->process);
187 }
188 
189 
190 static void
fr_command_ace_extract(FrCommand * comm,const char * from_file,GList * file_list,const char * dest_dir,gboolean overwrite,gboolean skip_older,gboolean junk_paths)191 fr_command_ace_extract (FrCommand   *comm,
192 			const char  *from_file,
193 			GList       *file_list,
194 			const char  *dest_dir,
195 			gboolean     overwrite,
196 			gboolean     skip_older,
197 			gboolean     junk_paths)
198 {
199 	GList *scan;
200 
201 	fr_process_begin_command (comm->process, "unace");
202 
203 	if (dest_dir != NULL)
204 		fr_process_set_working_dir (comm->process, dest_dir);
205 
206 	if (junk_paths)
207 		fr_process_add_arg (comm->process, "e");
208 	else
209 		fr_process_add_arg (comm->process, "x");
210 	fr_process_add_arg (comm->process, "-y");
211 	fr_process_add_arg (comm->process, comm->filename);
212 
213 	for (scan = file_list; scan; scan = scan->next)
214 		fr_process_add_arg (comm->process, scan->data);
215 
216 	fr_process_end_command (comm->process);
217 }
218 
219 
220 static void
fr_command_ace_test(FrCommand * comm)221 fr_command_ace_test (FrCommand   *comm)
222 {
223         fr_process_begin_command (comm->process, "unace");
224         fr_process_add_arg (comm->process, "t");
225 	fr_process_add_arg (comm->process, "-y");
226 	fr_process_add_arg (comm->process, comm->filename);
227         fr_process_end_command (comm->process);
228 }
229 
230 
231 static void
fr_command_ace_handle_error(FrCommand * comm,FrProcError * error)232 fr_command_ace_handle_error (FrCommand   *comm,
233 			     FrProcError *error)
234 {
235 	/* FIXME */
236 }
237 
238 
239 const char *ace_mime_type[] = { "application/x-ace", NULL };
240 
241 
242 static const char **
fr_command_ace_get_mime_types(FrCommand * comm)243 fr_command_ace_get_mime_types (FrCommand *comm)
244 {
245 	return ace_mime_type;
246 }
247 
248 
249 static FrCommandCap
fr_command_ace_get_capabilities(FrCommand * comm,const char * mime_type,gboolean check_command)250 fr_command_ace_get_capabilities (FrCommand  *comm,
251 			         const char *mime_type,
252 				 gboolean    check_command)
253 {
254 	FrCommandCap capabilities;
255 
256 	capabilities = FR_COMMAND_CAN_ARCHIVE_MANY_FILES;
257 	if (is_program_available ("unace", check_command))
258 		capabilities |= FR_COMMAND_CAN_READ;
259 
260 	return capabilities;
261 }
262 
263 
264 static const char *
fr_command_ace_get_packages(FrCommand * comm,const char * mime_type)265 fr_command_ace_get_packages (FrCommand  *comm,
266 			     const char *mime_type)
267 {
268 	return PACKAGES ("unace");
269 }
270 
271 
272 static void
fr_command_ace_class_init(FrCommandAceClass * class)273 fr_command_ace_class_init (FrCommandAceClass *class)
274 {
275         GObjectClass   *gobject_class = G_OBJECT_CLASS (class);
276         FrCommandClass *afc;
277 
278         parent_class = g_type_class_peek_parent (class);
279 	afc = (FrCommandClass*) class;
280 
281 	gobject_class->finalize = fr_command_ace_finalize;
282 
283         afc->list             = fr_command_ace_list;
284 	afc->extract          = fr_command_ace_extract;
285 	afc->test             = fr_command_ace_test;
286 	afc->handle_error     = fr_command_ace_handle_error;
287 	afc->get_mime_types   = fr_command_ace_get_mime_types;
288 	afc->get_capabilities = fr_command_ace_get_capabilities;
289 	afc->get_packages     = fr_command_ace_get_packages;
290 }
291 
292 
293 static void
fr_command_ace_init(FrCommand * comm)294 fr_command_ace_init (FrCommand *comm)
295 {
296 	comm->propAddCanUpdate             = TRUE;
297 	comm->propAddCanReplace            = TRUE;
298 	comm->propExtractCanAvoidOverwrite = FALSE;
299 	comm->propExtractCanSkipOlder      = FALSE;
300 	comm->propExtractCanJunkPaths      = TRUE;
301 	comm->propPassword                 = FALSE;
302 	comm->propTest                     = TRUE;
303 }
304 
305 
306 static void
fr_command_ace_finalize(GObject * object)307 fr_command_ace_finalize (GObject *object)
308 {
309         g_return_if_fail (object != NULL);
310         g_return_if_fail (FR_IS_COMMAND_ACE (object));
311 
312 	/* Chain up */
313         if (G_OBJECT_CLASS (parent_class)->finalize)
314 		G_OBJECT_CLASS (parent_class)->finalize (object);
315 }
316 
317 
318 GType
fr_command_ace_get_type()319 fr_command_ace_get_type ()
320 {
321         static GType type = 0;
322 
323         if (! type) {
324                 GTypeInfo type_info = {
325 			sizeof (FrCommandAceClass),
326 			NULL,
327 			NULL,
328 			(GClassInitFunc) fr_command_ace_class_init,
329 			NULL,
330 			NULL,
331 			sizeof (FrCommandAce),
332 			0,
333 			(GInstanceInitFunc) fr_command_ace_init
334 		};
335 
336 		type = g_type_register_static (FR_TYPE_COMMAND,
337 					       "FRCommandAce",
338 					       &type_info,
339 					       0);
340         }
341 
342         return type;
343 }
344