[1321] | 1 | //vio_dstr.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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| 35 | #include "libroar.h" |
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| 36 | |
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[1323] | 37 | struct { |
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| 38 | int id; |
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| 39 | char * name; |
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| 40 | int pdeftype[16]; |
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| 41 | } _roar_vio_dstr_objs[] = { |
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| 42 | /* |
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| 43 | grep '^#define ROAR_VIO_DSTR_OBJT_' vio_dstr.h | cut -d' ' -f2 | while read objt; do name=`cut -d_ -f5,6,7,8,9,10 <<<$objt | tr A-Z a-z`; echo -e " {$objt,\t \"$name\","; echo " {ROAR_VIO_DEF_TYPE_EOL}},"; done; |
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| 44 | */ |
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| 45 | {ROAR_VIO_DSTR_OBJT_FILE, "file", |
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| 46 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 47 | {ROAR_VIO_DSTR_OBJT_FH, "fh", |
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| 48 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 49 | {ROAR_VIO_DSTR_OBJT_SOCKETFH, "socketfh", |
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| 50 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 51 | {ROAR_VIO_DSTR_OBJT_PASS, "pass", |
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| 52 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 53 | {ROAR_VIO_DSTR_OBJT_RE, "re", |
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| 54 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 55 | {ROAR_VIO_DSTR_OBJT_EXEC, "exec", |
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| 56 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 57 | |
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| 58 | {ROAR_VIO_DSTR_OBJT_SOCKET, "socket", |
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| 59 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 60 | {ROAR_VIO_DSTR_OBJT_UNIX, "unix", |
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| 61 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 62 | {ROAR_VIO_DSTR_OBJT_DECNET, "decnet", |
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| 63 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 64 | {ROAR_VIO_DSTR_OBJT_TCP, "tcp", |
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| 65 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 66 | {ROAR_VIO_DSTR_OBJT_UDP, "udp", |
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| 67 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 68 | {ROAR_VIO_DSTR_OBJT_TCP6, "tcp6", |
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| 69 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 70 | {ROAR_VIO_DSTR_OBJT_UDP6, "udp6", |
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| 71 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 72 | |
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| 73 | {ROAR_VIO_DSTR_OBJT_SOCKS, "socks", |
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| 74 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 75 | {ROAR_VIO_DSTR_OBJT_SOCKS4, "socks4", |
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| 76 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 77 | {ROAR_VIO_DSTR_OBJT_SOCKS4A, "socks4a", |
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| 78 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 79 | {ROAR_VIO_DSTR_OBJT_SOCKS4D, "socks4d", |
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| 80 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 81 | {ROAR_VIO_DSTR_OBJT_SOCKS5, "socks5", |
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| 82 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 83 | {ROAR_VIO_DSTR_OBJT_SSH, "ssh", |
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| 84 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 85 | |
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| 86 | {ROAR_VIO_DSTR_OBJT_HTTP09, "http09", |
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| 87 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 88 | {ROAR_VIO_DSTR_OBJT_HTTP10, "http10", |
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| 89 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 90 | {ROAR_VIO_DSTR_OBJT_HTTP11, "http11", |
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| 91 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 92 | {ROAR_VIO_DSTR_OBJT_HTTP, "http", |
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| 93 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 94 | {ROAR_VIO_DSTR_OBJT_GOPHER, "gopher", |
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| 95 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 96 | |
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| 97 | {ROAR_VIO_DSTR_OBJT_GZIP, "gzip", |
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| 98 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 99 | {ROAR_VIO_DSTR_OBJT_BZIP2, "bzip2", |
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| 100 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 101 | |
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| 102 | {ROAR_VIO_DSTR_OBJT_PGP, "pgp", |
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| 103 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 104 | {ROAR_VIO_DSTR_OBJT_PGP_ENC, "pgp_enc", |
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| 105 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 106 | {ROAR_VIO_DSTR_OBJT_PGP_STORE, "pgp_store", |
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| 107 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 108 | {ROAR_VIO_DSTR_OBJT_SSL1, "ssl1", |
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| 109 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 110 | {ROAR_VIO_DSTR_OBJT_SSL2, "ssl2", |
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| 111 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 112 | {ROAR_VIO_DSTR_OBJT_SSL3, "ssl3", |
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| 113 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 114 | {ROAR_VIO_DSTR_OBJT_TLS, "tls", |
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| 115 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 116 | {ROAR_VIO_DSTR_OBJT_SSLTLS, "ssltls", |
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| 117 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 118 | |
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| 119 | {ROAR_VIO_DSTR_OBJT_MAGIC, "magic", |
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| 120 | {ROAR_VIO_DEF_TYPE_EOL}}, |
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| 121 | |
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| 122 | {ROAR_VIO_DSTR_OBJT_INTERNAL, "INTERNAL", |
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| 123 | {ROAR_VIO_DEF_TYPE_FILE, ROAR_VIO_DEF_TYPE_SOCKET, ROAR_VIO_DEF_TYPE_FH, ROAR_VIO_DEF_TYPE_SOCKETFH, |
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| 124 | ROAR_VIO_DEF_TYPE_EOL}}, |
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| 125 | {ROAR_VIO_DSTR_OBJT_EOL, NULL, {ROAR_VIO_DEF_TYPE_EOL}} |
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| 126 | }; |
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| 127 | |
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| 128 | int roar_vio_dstr_get_type(char * str) { |
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| 129 | int i; |
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| 130 | |
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| 131 | for (i = 0; _roar_vio_dstr_objs[i].id != ROAR_VIO_DSTR_OBJT_EOL; i++) { |
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| 132 | if ( strcasecmp(_roar_vio_dstr_objs[i].name, str) == 0 ) |
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| 133 | return _roar_vio_dstr_objs[i].id; |
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| 134 | } |
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| 135 | |
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| 136 | return -1; |
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| 137 | } |
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| 138 | |
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| 139 | char * roar_vio_dstr_get_name(int type) { |
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| 140 | int i; |
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| 141 | |
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| 142 | for (i = 0; _roar_vio_dstr_objs[i].id != ROAR_VIO_DSTR_OBJT_EOL; i++) { |
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| 143 | if ( _roar_vio_dstr_objs[i].id == type ) |
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| 144 | return _roar_vio_dstr_objs[i].name; |
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| 145 | } |
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| 146 | |
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[1325] | 147 | if ( type == ROAR_VIO_DSTR_OBJT_EOL ) |
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| 148 | return "<<EOL>>"; |
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| 149 | |
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[1323] | 150 | return NULL; |
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| 151 | } |
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| 152 | |
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| 153 | int roar_vio_dstr_init_defaults (struct roar_vio_defaults * def, int type, int o_flags, mode_t o_mode) { |
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| 154 | if ( def == NULL ) |
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| 155 | return -1; |
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| 156 | |
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| 157 | memset(def, 0, sizeof(struct roar_vio_defaults)); |
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| 158 | |
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| 159 | def->type = type; |
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| 160 | def->o_flags = o_flags; |
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| 161 | def->o_mode = o_mode; |
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| 162 | |
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| 163 | return 0; |
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| 164 | } |
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| 165 | |
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| 166 | int roar_vio_open_dstr (struct roar_vio_calls * calls, char * dstr, struct roar_vio_defaults * def, int dnum) { |
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| 167 | return roar_vio_open_dstr_vio(calls, dstr, def, dnum, NULL); |
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| 168 | } |
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| 169 | |
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| 170 | #define _ret(x) free(dstr); return (x) |
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| 171 | |
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| 172 | int roar_vio_open_dstr_vio(struct roar_vio_calls * calls, |
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| 173 | char * dstr, struct roar_vio_defaults * def, int dnum, |
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| 174 | struct roar_vio_calls * vio) { |
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[1325] | 175 | struct roar_vio_dstr_chain chain[ROAR_VIO_DSTR_MAX_OBJ_PER_CHAIN]; |
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[1323] | 176 | char * next; |
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| 177 | char * this; |
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| 178 | char * name; |
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| 179 | char * opts; |
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| 180 | char * dst; |
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| 181 | char * c; |
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| 182 | int inopts; |
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| 183 | int type; |
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[1325] | 184 | int cc = 0; // current chain element |
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[1323] | 185 | |
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| 186 | if ( calls == NULL || dstr == NULL ) |
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| 187 | return -1; |
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| 188 | |
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| 189 | if ( dnum != 0 && def == NULL ) |
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| 190 | return -1; |
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| 191 | |
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[1325] | 192 | if ( (dstr = strdup(dstr)) == NULL ) |
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[1323] | 193 | return -1; |
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| 194 | |
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[1325] | 195 | memset(chain, 0, sizeof(chain)); |
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[1323] | 196 | |
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| 197 | next = dstr; |
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| 198 | |
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| 199 | while (next != NULL) { |
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[1325] | 200 | if ( (cc+1) == ROAR_VIO_DSTR_MAX_OBJ_PER_CHAIN ) { |
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| 201 | _ret(-1); |
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| 202 | } |
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| 203 | |
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[1323] | 204 | this = next; |
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| 205 | next = strstr(next, "##"); |
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| 206 | |
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| 207 | if (next != NULL) { |
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| 208 | *next = 0; |
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| 209 | next += 2; |
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| 210 | } |
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| 211 | |
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| 212 | // we have the current token in 'this'. |
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| 213 | |
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| 214 | opts = NULL; |
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| 215 | dst = NULL; |
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| 216 | |
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| 217 | if ( strstr(this, ":") != NULL ) { |
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| 218 | name = this; |
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| 219 | inopts = 0; |
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| 220 | for (c = this; *c != 0; c++) { |
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| 221 | if ( *c == '[' ) { |
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| 222 | *c = 0; |
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| 223 | opts = c + 1; |
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| 224 | inopts = 1; |
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| 225 | } else if ( *c == ']' && inopts ) { |
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| 226 | *c = 0; |
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| 227 | inopts = 0; |
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| 228 | } else if ( *c == ':' && !inopts ) { |
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| 229 | *c = 0; |
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| 230 | dst = *(c+1) == 0 ? NULL : c + 1; |
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| 231 | break; |
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| 232 | } |
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| 233 | } |
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| 234 | } else { |
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| 235 | // we need to guess that this is here... |
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| 236 | // currently we guess this is a file in all cases |
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| 237 | name = "file"; |
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| 238 | dst = this; |
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| 239 | } |
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| 240 | |
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| 241 | ROAR_WARN("roar_vio_open_dstr_vio(*): name='%s', opts='%s', dst='%s'", name, opts, dst); |
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| 242 | |
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| 243 | if ( (type = roar_vio_dstr_get_type(name)) == -1 ) { |
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| 244 | _ret(-1); |
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| 245 | } |
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| 246 | |
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| 247 | ROAR_WARN("roar_vio_open_dstr_vio(*): type=0x%.4x(%s)", type, roar_vio_dstr_get_name(type)); |
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| 248 | |
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[1325] | 249 | chain[cc].type = type; |
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| 250 | chain[cc].opts = opts; |
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| 251 | chain[cc].dst = dst; |
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| 252 | chain[cc].def = NULL; |
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| 253 | chain[cc].vio = NULL; |
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| 254 | chain[cc].need_vio = -1; |
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| 255 | cc++; |
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| 256 | |
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| 257 | } |
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| 258 | |
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| 259 | chain[cc].type = ROAR_VIO_DSTR_OBJT_EOL; |
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| 260 | |
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| 261 | if ( roar_vio_dstr_parse_opts(chain) == -1 ) { |
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| 262 | _ret(-1); |
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| 263 | } |
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| 264 | |
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| 265 | if ( roar_vio_dstr_set_defaults(chain, cc, def, dnum) == -1 ) { |
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| 266 | _ret(-1); |
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| 267 | } |
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| 268 | |
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| 269 | if ( roar_vio_dstr_build_chain(chain, calls, vio) == -1 ) { |
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| 270 | _ret(-1); |
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[1323] | 271 | } |
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| 272 | |
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[1325] | 273 | _ret(0); |
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| 274 | } |
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| 275 | |
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| 276 | #undef _ret |
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| 277 | |
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| 278 | int roar_vio_dstr_parse_opts(struct roar_vio_dstr_chain * chain) { |
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| 279 | if ( chain == NULL ) |
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| 280 | return -1; |
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| 281 | |
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| 282 | // TODO: we should add some code here later... |
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| 283 | |
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| 284 | return 0; |
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| 285 | } |
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| 286 | |
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| 287 | #define _toggle(x) ((x) = ((x) ? 0 : 1)) |
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| 288 | |
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| 289 | int roar_vio_dstr_set_defaults(struct roar_vio_dstr_chain * chain, int len, struct roar_vio_defaults * def, int dnum) { |
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| 290 | struct roar_vio_dstr_chain * c, * next; |
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| 291 | int i; |
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| 292 | |
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| 293 | if ( chain == NULL ) |
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| 294 | return -1; |
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| 295 | |
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| 296 | if ( def == NULL && dnum != 0 ) |
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| 297 | return -1; |
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| 298 | |
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| 299 | if ( dnum > 1 ) /* currently not supported */ |
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| 300 | return -1; |
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| 301 | |
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| 302 | if ( dnum == 0 ) |
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| 303 | def = NULL; |
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| 304 | |
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| 305 | chain[len].def = def; |
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| 306 | |
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| 307 | for (i = len; i >= 0; i--) { |
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| 308 | c = &chain[i]; |
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| 309 | next = &chain[i-1]; |
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| 310 | |
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| 311 | ROAR_WARN("roar_vio_dstr_set_defaults(*): i=%i, c->type=0x%.4x(%s)", i, c->type & 0xFFFF, roar_vio_dstr_get_name(c->type)); |
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| 312 | ROAR_WARN("roar_vio_dstr_set_defaults(*): i=%i, c->type=0x%.4x(%s): c->def=%p, c->def->type=%i", i, c->type & 0xFFFF, |
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| 313 | roar_vio_dstr_get_name(c->type), c->def, c->def == NULL ? -1 : c->def->type); |
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| 314 | |
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| 315 | c->need_vio = 1; |
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| 316 | |
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| 317 | switch (c->type) { |
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| 318 | case ROAR_VIO_DSTR_OBJT_PASS: |
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| 319 | case ROAR_VIO_DSTR_OBJT_RE: |
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| 320 | case ROAR_VIO_DSTR_OBJT_GZIP: |
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| 321 | case ROAR_VIO_DSTR_OBJT_BZIP2: |
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| 322 | case ROAR_VIO_DSTR_OBJT_PGP: |
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| 323 | case ROAR_VIO_DSTR_OBJT_PGP_ENC: |
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| 324 | case ROAR_VIO_DSTR_OBJT_PGP_STORE: |
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| 325 | case ROAR_VIO_DSTR_OBJT_SSL1: |
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| 326 | case ROAR_VIO_DSTR_OBJT_SSL2: |
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| 327 | case ROAR_VIO_DSTR_OBJT_SSL3: |
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| 328 | case ROAR_VIO_DSTR_OBJT_TLS: |
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| 329 | case ROAR_VIO_DSTR_OBJT_MAGIC: |
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| 330 | _toggle(c->need_vio); |
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| 331 | case ROAR_VIO_DSTR_OBJT_EOL: |
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| 332 | _toggle(c->need_vio); |
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| 333 | next->def = c->def; |
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| 334 | break; |
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| 335 | case ROAR_VIO_DSTR_OBJT_FILE: |
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| 336 | if ( c->dst == NULL ) /* should we allow multible cascaed file: objects? */ |
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| 337 | return -1; |
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| 338 | |
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| 339 | c->need_vio = 0; |
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| 340 | next->def = &(next->store_def); |
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| 341 | if ( c->def != NULL ) { |
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| 342 | roar_vio_dstr_init_defaults(next->def, ROAR_VIO_DEF_TYPE_FILE, c->def->o_flags, c->def->o_mode); |
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| 343 | } else { |
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| 344 | roar_vio_dstr_init_defaults(next->def, ROAR_VIO_DEF_TYPE_FILE, O_RDONLY, 0644); |
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| 345 | } |
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| 346 | |
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| 347 | if ( c->dst[0] == '/' && c->dst[1] == '/' ) { |
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| 348 | next->def->d.file = c->dst + 1; |
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| 349 | } else { |
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| 350 | next->def->d.file = c->dst; |
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| 351 | } |
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| 352 | break; |
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| 353 | default: |
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| 354 | return -1; |
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| 355 | } |
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| 356 | |
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| 357 | ROAR_WARN("roar_vio_dstr_set_defaults(*): i=%i, c->type=0x%.4x(%s): next->def=%p, next->def->type=%i", i, |
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| 358 | c->type & 0xFFFF, roar_vio_dstr_get_name(c->type), |
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| 359 | next->def, next->def == NULL ? -1 : next->def->type); |
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| 360 | } |
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| 361 | |
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| 362 | return 0; |
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| 363 | } |
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| 364 | |
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| 365 | int roar_vio_dstr_build_chain(struct roar_vio_dstr_chain * chain, struct roar_vio_calls * calls, struct roar_vio_calls * vio) { |
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| 366 | if ( chain == NULL || calls == NULL ) |
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| 367 | return -1; |
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| 368 | |
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| 369 | return -1; |
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[1323] | 370 | } |
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| 371 | |
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[1321] | 372 | //ll |
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