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 __FBSDID("$FreeBSD$"); 28 29 #ifdef HAVE_ERRNO_H 30 #include <errno.h> 31 #endif 32 #include "archive_write_private.h" 33 34 int 35 archive_write_set_passphrase(struct archive *_a, const char *p) 36 { 37 struct archive_write *a = (struct archive_write *)_a; 38 39 archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW, 40 "archive_write_set_passphrase"); 41 42 if (p == NULL || p[0] == '\0') { 43 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 44 "Empty passphrase is unacceptable"); 45 return (ARCHIVE_FAILED); 46 } 47 free(a->passphrase); 48 a->passphrase = strdup(p); 49 if (a->passphrase == NULL) { 50 archive_set_error(&a->archive, ENOMEM, 51 "Can't allocate data for passphrase"); 52 return (ARCHIVE_FATAL); 53 } 54 return (ARCHIVE_OK); 55 } 56 57 58 int 59 archive_write_set_passphrase_callback(struct archive *_a, void *client_data, 60 archive_passphrase_callback *cb) 61 { 62 struct archive_write *a = (struct archive_write *)_a; 63 64 archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW, 65 "archive_write_set_passphrase_callback"); 66 67 a->passphrase_callback = cb; 68 a->passphrase_client_data = client_data; 69 return (ARCHIVE_OK); 70 } 71 72 73 const char * 74 __archive_write_get_passphrase(struct archive_write *a) 75 { 76 77 if (a->passphrase != NULL) 78 return (a->passphrase); 79 80 if (a->passphrase_callback != NULL) { 81 const char *p; 82 p = a->passphrase_callback(&a->archive, 83 a->passphrase_client_data); 84 if (p != NULL) { 85 a->passphrase = strdup(p); 86 if (a->passphrase == NULL) { 87 archive_set_error(&a->archive, ENOMEM, 88 "Can't allocate data for passphrase"); 89 return (NULL); 90 } 91 return (a->passphrase); 92 } 93 } 94 return (NULL); 95 } 96