1 /*-
2 * Copyright (c) 2014 Michihiro NAKAJIMA
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "archive_platform.h"
27
28 #ifdef HAVE_ERRNO_H
29 #include <errno.h>
30 #endif
31 #include "archive_write_private.h"
32
33 static int
set_passphrase(struct archive_write * a,const char * p)34 set_passphrase(struct archive_write *a, const char *p)
35 {
36 if (p == NULL || p[0] == '\0') {
37 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
38 "Empty passphrase is unacceptable");
39 return (ARCHIVE_FAILED);
40 }
41 free(a->passphrase);
42 a->passphrase = strdup(p);
43 if (a->passphrase == NULL) {
44 archive_set_error(&a->archive, ENOMEM,
45 "Can't allocate data for passphrase");
46 return (ARCHIVE_FATAL);
47 }
48 return (ARCHIVE_OK);
49 }
50
51
52 int
archive_write_set_passphrase(struct archive * _a,const char * p)53 archive_write_set_passphrase(struct archive *_a, const char *p)
54 {
55 struct archive_write *a = (struct archive_write *)_a;
56
57 archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW,
58 "archive_write_set_passphrase");
59
60 return (set_passphrase(a, p));
61 }
62
63
64 int
archive_write_set_passphrase_callback(struct archive * _a,void * client_data,archive_passphrase_callback * cb)65 archive_write_set_passphrase_callback(struct archive *_a, void *client_data,
66 archive_passphrase_callback *cb)
67 {
68 struct archive_write *a = (struct archive_write *)_a;
69
70 archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW,
71 "archive_write_set_passphrase_callback");
72
73 a->passphrase_callback = cb;
74 a->passphrase_client_data = client_data;
75 return (ARCHIVE_OK);
76 }
77
78
79 const char *
__archive_write_get_passphrase(struct archive_write * a)80 __archive_write_get_passphrase(struct archive_write *a)
81 {
82
83 if (a->passphrase != NULL)
84 return (a->passphrase);
85
86 if (a->passphrase_callback != NULL) {
87 const char *p;
88 p = a->passphrase_callback(&a->archive,
89 a->passphrase_client_data);
90 set_passphrase(a, p);
91 a->passphrase_callback = NULL;
92 a->passphrase_client_data = NULL;
93 }
94 return (a->passphrase);
95 }
96