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 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 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 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 * 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