[1255] | 1 | //vio_cmd.c: |
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| 2 | |
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| 3 | /* |
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[1284] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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[1255] | 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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| 37 | int roar_vio_open_cmd(struct roar_vio_calls * calls, struct roar_vio_calls * dst, |
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[1261] | 38 | char * reader, char * writer, int options) { |
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[1366] | 39 | #ifndef ROAR_WITHOUT_VIO_CMD |
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[1255] | 40 | struct roar_vio_cmd_state * state; |
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| 41 | |
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| 42 | if ( calls == NULL || dst == NULL ) |
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| 43 | return -1; |
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| 44 | |
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| 45 | if ( reader == NULL && writer == NULL ) |
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| 46 | return -1; |
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| 47 | |
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| 48 | if ( (state = malloc(sizeof(struct roar_vio_cmd_state))) == NULL ) |
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| 49 | return -1; |
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| 50 | |
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[1260] | 51 | ROAR_DBG("roar_vio_open_cmd(*): pre reqs are OK"); |
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| 52 | |
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[1255] | 53 | // clear all |
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| 54 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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| 55 | memset(state, 0, sizeof(struct roar_vio_cmd_state)); |
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| 56 | |
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| 57 | // init reader and writer: |
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| 58 | state->reader.pid = -1; |
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| 59 | state->reader.in = -1; |
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| 60 | state->reader.out = -1; |
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| 61 | |
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| 62 | if ( reader != NULL ) |
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| 63 | state->reader.cmd = strdup(reader); |
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| 64 | |
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| 65 | state->writer.pid = -1; |
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| 66 | state->writer.in = -1; |
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| 67 | state->writer.out = -1; |
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| 68 | |
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| 69 | if ( writer != NULL ) |
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| 70 | state->writer.cmd = strdup(writer); |
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| 71 | |
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| 72 | // init state |
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| 73 | state->next = dst; |
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| 74 | state->options = options; |
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[1273] | 75 | state->state = ROAR_VIO_CMD_STATE_OPEN; |
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[1255] | 76 | |
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| 77 | // init calls |
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[1260] | 78 | calls->close = roar_vio_cmd_close; |
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| 79 | calls->read = roar_vio_cmd_read; |
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| 80 | calls->write = roar_vio_cmd_write; |
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| 81 | calls->nonblock = roar_vio_cmd_nonblock; |
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| 82 | calls->sync = roar_vio_cmd_sync; |
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[1612] | 83 | calls->ctl = roar_vio_cmd_ctl; |
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[1260] | 84 | calls->inst = (void*) state; |
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| 85 | |
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| 86 | ROAR_DBG("roar_vio_open_cmd(*): var setup OK"); |
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[1255] | 87 | |
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[1257] | 88 | if ( !(options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) { |
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| 89 | if ( reader != NULL ) |
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| 90 | if ( roar_vio_cmd_fork(&(state->reader)) == -1 ) |
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| 91 | return roar_vio_cmd_close(calls); |
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[1255] | 92 | |
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[1257] | 93 | if ( writer != NULL ) |
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| 94 | if ( roar_vio_cmd_fork(&(state->writer)) == -1 ) |
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| 95 | return roar_vio_cmd_close(calls); |
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| 96 | } |
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[1255] | 97 | |
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| 98 | return 0; |
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[1366] | 99 | #else |
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| 100 | return -1; |
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| 101 | #endif |
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[1255] | 102 | } |
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| 103 | |
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[1366] | 104 | #ifndef ROAR_WITHOUT_VIO_CMD |
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[1255] | 105 | int roar_vio_cmd_close(struct roar_vio_calls * vio) { |
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| 106 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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| 107 | |
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[1273] | 108 | state->state = ROAR_VIO_CMD_STATE_CLOSING; |
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| 109 | |
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[1271] | 110 | if ( state->writer.opened ) { |
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| 111 | if ( state->writer.out != -1 ) { |
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| 112 | close(state->writer.out); |
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| 113 | state->writer.out = -1; |
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| 114 | } |
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| 115 | } |
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| 116 | |
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| 117 | roar_vio_cmd_sync(vio); |
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| 118 | |
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[1255] | 119 | if ( state->reader.opened ) |
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| 120 | roar_vio_cmd_wait(&(state->reader)); |
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| 121 | |
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| 122 | if ( state->writer.opened ) |
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| 123 | roar_vio_cmd_wait(&(state->writer)); |
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| 124 | |
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| 125 | if ( state->reader.cmd != NULL ) |
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| 126 | free(state->reader.cmd); |
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| 127 | |
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| 128 | if ( state->writer.cmd != NULL ) |
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| 129 | free(state->writer.cmd); |
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| 130 | |
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| 131 | roar_vio_close(state->next); |
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| 132 | |
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[1273] | 133 | // state->state = ROAR_VIO_CMD_STATE_CLOSED; |
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[1255] | 134 | free(state); |
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| 135 | |
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| 136 | return 0; |
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| 137 | } |
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| 138 | |
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| 139 | int roar_vio_cmd_fork(struct roar_vio_cmd_child * child) { |
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[1256] | 140 | int in[2], out[2]; |
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| 141 | |
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| 142 | if ( child == NULL ) |
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| 143 | return -1; |
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| 144 | |
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| 145 | if ( child->opened ) |
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| 146 | return 0; |
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| 147 | |
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| 148 | if ( child->cmd == NULL ) |
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| 149 | return -1; |
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| 150 | |
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| 151 | // open some pipes... |
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| 152 | if ( pipe(in) != 0 ) |
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| 153 | return -1; |
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| 154 | |
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| 155 | if ( pipe(out) != 0 ) { |
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| 156 | close(in[0]); |
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| 157 | close(in[1]); |
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| 158 | return -1; |
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| 159 | } |
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| 160 | |
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| 161 | child->pid = fork(); |
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| 162 | |
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| 163 | switch (child->pid) { |
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| 164 | case -1: |
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| 165 | close(in[0]); |
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| 166 | close(in[1]); |
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| 167 | close(out[0]); |
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| 168 | close(out[1]); |
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| 169 | return -1; |
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| 170 | break; |
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| 171 | case 0: |
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| 172 | close(in[0]); |
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| 173 | close(out[1]); |
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| 174 | close(ROAR_STDIN); |
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| 175 | close(ROAR_STDOUT); |
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| 176 | |
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| 177 | if ( dup2(out[0], ROAR_STDIN) == -1 ) |
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| 178 | _exit(1); |
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| 179 | |
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| 180 | if ( dup2(in[1], ROAR_STDOUT) == -1 ) |
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| 181 | _exit(1); |
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| 182 | |
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[1652] | 183 | execlp("/bin/sh", "/bin/sh", "-c", child->cmd, (char*)NULL); |
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[1256] | 184 | |
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| 185 | _exit(1); |
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| 186 | break; |
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| 187 | } |
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| 188 | |
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| 189 | close(in[1]); |
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| 190 | close(out[0]); |
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| 191 | |
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| 192 | child->opened = 1; |
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| 193 | child->in = in[0]; |
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| 194 | child->out = out[1]; |
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| 195 | |
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| 196 | return 0; |
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[1255] | 197 | } |
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| 198 | |
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| 199 | int roar_vio_cmd_wait(struct roar_vio_cmd_child * child) { |
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| 200 | int status; |
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| 201 | |
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| 202 | if ( child == NULL ) |
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| 203 | return -1; |
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| 204 | |
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| 205 | if ( !child->opened ) |
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| 206 | return 0; |
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| 207 | |
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| 208 | if ( child->out != -1 ) |
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| 209 | close(child->out); |
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| 210 | |
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| 211 | if ( child->in != -1 ) |
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| 212 | close(child->in); |
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| 213 | |
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| 214 | waitpid(child->pid, &status, 0); |
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| 215 | |
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| 216 | return 0; |
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| 217 | } |
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| 218 | |
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[1657] | 219 | |
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| 220 | |
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| 221 | int roar_vio_open_2popen(struct roar_vio_calls * calls, char * command, int options) { |
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| 222 | #ifndef ROAR_WITHOUT_VIO_CMD |
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| 223 | struct roar_vio_2popen_state * state; |
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| 224 | |
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| 225 | if ( calls == NULL || command == NULL || options < 0 ) |
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| 226 | return -1; |
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| 227 | |
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| 228 | if ( (state = malloc(sizeof(struct roar_vio_2popen_state))) == NULL ) |
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| 229 | return -1; |
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| 230 | |
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| 231 | ROAR_DBG("roar_vio_open_2popen(*): pre reqs are OK"); |
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| 232 | |
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| 233 | // clear all |
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| 234 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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| 235 | memset(state, 0, sizeof(struct roar_vio_cmd_state)); |
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| 236 | |
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| 237 | // init reader and writer: |
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| 238 | state->child.pid = -1; |
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| 239 | state->child.in = -1; |
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| 240 | state->child.out = -1; |
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| 241 | |
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| 242 | state->child.cmd = strdup(command); |
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| 243 | |
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| 244 | // init state |
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| 245 | state->options = options; |
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| 246 | state->state = ROAR_VIO_CMD_STATE_OPEN; |
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| 247 | |
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| 248 | // init calls |
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| 249 | calls->close = roar_vio_2popen_close; |
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| 250 | /* |
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| 251 | calls->read = roar_vio_2popen_read; |
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| 252 | calls->write = roar_vio_2popen_write; |
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| 253 | calls->nonblock = roar_vio_2popen_nonblock; |
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| 254 | calls->sync = roar_vio_2popen_sync; |
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| 255 | calls->ctl = roar_vio_2popen_ctl; |
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| 256 | */ |
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| 257 | calls->inst = (void*) state; |
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| 258 | |
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| 259 | ROAR_DBG("roar_vio_open_2popen(*): var setup OK"); |
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| 260 | |
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| 261 | if ( !(options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) { |
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| 262 | if ( roar_vio_cmd_fork(&(state->child)) == -1 ) |
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| 263 | return roar_vio_2popen_close(calls); |
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| 264 | } |
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| 265 | |
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| 266 | return 0; |
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| 267 | #else |
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| 268 | return -1; |
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| 269 | #endif |
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| 270 | } |
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| 271 | |
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| 272 | #ifndef ROAR_WITHOUT_VIO_CMD |
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| 273 | int roar_vio_2popen_close(struct roar_vio_calls * vio) { |
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| 274 | struct roar_vio_2popen_state * state = (struct roar_vio_2popen_state *)vio->inst; |
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| 275 | |
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| 276 | state->state = ROAR_VIO_CMD_STATE_CLOSING; |
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| 277 | |
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| 278 | if ( state->child.opened ) |
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| 279 | roar_vio_cmd_wait(&(state->child)); |
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| 280 | |
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| 281 | if ( state->child.cmd != NULL ) |
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| 282 | free(state->child.cmd); |
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| 283 | |
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| 284 | free(state); |
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| 285 | |
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| 286 | return 0; |
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| 287 | } |
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| 288 | #endif |
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| 289 | |
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| 290 | |
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[1256] | 291 | // VIOs: |
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| 292 | |
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| 293 | ssize_t roar_vio_cmd_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 294 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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[1257] | 295 | fd_set rfhs[1], wfhs[1]; |
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| 296 | struct timeval tv; |
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| 297 | size_t done = 0; |
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| 298 | int max_fh; |
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| 299 | int ret; |
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| 300 | char tbuf[ROAR_VIO_CMD_BUFSIZE]; |
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| 301 | char * tp = NULL; |
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| 302 | size_t tlen = 0; |
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[1271] | 303 | int nonblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK; |
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| 304 | int in, out; |
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[1612] | 305 | int eating = 1; |
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[1256] | 306 | |
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[1260] | 307 | ROAR_DBG("roar_vio_cmd_read(*) = ?"); |
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| 308 | |
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[1256] | 309 | if ( !state->reader.opened ) { |
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| 310 | if ( buf == NULL && count == 0 ) /* sync: no need to do anything if no reader is forked :) */ |
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| 311 | return 0; |
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| 312 | |
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| 313 | if ( !(state->options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) /* we are not on demand and no reader exists? -> err */ |
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| 314 | return -1; |
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| 315 | |
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| 316 | if ( roar_vio_cmd_fork(&(state->reader)) == -1 ) |
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| 317 | return -1; |
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| 318 | } |
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| 319 | |
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[1271] | 320 | in = state->reader.in; |
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| 321 | out = state->reader.out; |
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| 322 | |
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[1612] | 323 | while (done < count || eating) { |
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[1271] | 324 | if ( nonblock ) { |
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[1257] | 325 | tv.tv_sec = 0; |
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| 326 | tv.tv_usec = 1; |
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| 327 | } else { |
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| 328 | tv.tv_sec = 3600; |
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| 329 | tv.tv_usec = 0; |
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| 330 | } |
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| 331 | |
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| 332 | FD_ZERO(rfhs); |
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| 333 | FD_ZERO(wfhs); |
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| 334 | |
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[1271] | 335 | FD_SET(in, rfhs); |
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[1260] | 336 | |
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[1271] | 337 | if ( out != -1 ) { |
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| 338 | FD_SET(out, wfhs); |
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[1260] | 339 | } |
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| 340 | |
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| 341 | #ifdef DEBUG |
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[1271] | 342 | if ( FD_ISSET(in, rfhs) ) { |
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[1260] | 343 | ROAR_DBG("roar_vio_cmd_read(*): reader set in fh group"); |
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| 344 | } |
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| 345 | #endif |
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[1257] | 346 | |
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[1271] | 347 | max_fh = in > out ? in : out; |
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[1260] | 348 | ROAR_DBG("roar_vio_cmd_read(*): max_fh=%i", max_fh); |
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[1257] | 349 | |
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[1260] | 350 | if ( (ret = select(max_fh + 1, rfhs, wfhs, NULL, &tv)) == -1 ) |
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[1257] | 351 | return -1; |
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| 352 | |
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[1260] | 353 | ROAR_DBG("roar_vio_cmd_read(*): select(*) = %i", ret); |
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[1271] | 354 | ROAR_DBG("roar_vio_cmd_read(*): reader=%i, writer=%i", in, out); |
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[1260] | 355 | |
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[1257] | 356 | if ( ret > 0 ) { |
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[1271] | 357 | if ( FD_ISSET(in, rfhs) ) { |
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[1260] | 358 | ROAR_DBG("roar_vio_cmd_read(*): event on reader"); |
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| 359 | |
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[1271] | 360 | if ( (ret = read(in, buf+done, count-done)) == -1 ) |
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[1257] | 361 | break; |
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| 362 | |
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| 363 | if ( ret == 0 ) |
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| 364 | break; |
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| 365 | |
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| 366 | done += ret; |
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| 367 | } |
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| 368 | |
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[1271] | 369 | if ( out != -1 && FD_ISSET(out, wfhs) ) { |
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[1260] | 370 | ROAR_DBG("roar_vio_cmd_read(*): event on writer"); |
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[1612] | 371 | eating = 1; |
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[1260] | 372 | |
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[1257] | 373 | if ( !tlen ) { |
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[1260] | 374 | tp = tbuf; |
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| 375 | tlen = 0; |
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[1257] | 376 | if ( (tlen = roar_vio_read(state->next, tp, ROAR_VIO_CMD_BUFSIZE)) == -1 ) |
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[1260] | 377 | continue; |
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[1257] | 378 | } |
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| 379 | |
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| 380 | if ( tlen ) { |
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[1271] | 381 | if ( (ret = write(out, tp, tlen)) > 0 ) { |
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[1257] | 382 | tlen -= ret; |
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| 383 | tp += ret; |
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| 384 | } |
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[1260] | 385 | } else { |
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[1271] | 386 | close(out); |
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| 387 | state->reader.out = out = -1; |
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[1257] | 388 | } |
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[1612] | 389 | } else { |
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| 390 | eating = 0; |
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[1257] | 391 | } |
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| 392 | } |
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| 393 | |
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[1271] | 394 | if ( nonblock ) |
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[1257] | 395 | break; |
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| 396 | } |
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| 397 | |
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| 398 | if ( tlen ) { /* we have some data to write to the child... */ |
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| 399 | // TODO: try to write it out... |
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| 400 | return -1; |
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| 401 | } |
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| 402 | |
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| 403 | return done; |
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[1256] | 404 | } |
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| 405 | |
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| 406 | ssize_t roar_vio_cmd_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 407 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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[1271] | 408 | fd_set rfhs[1], wfhs[1]; |
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| 409 | struct timeval tv; |
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| 410 | size_t done = 0; |
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| 411 | int max_fh; |
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| 412 | int ret; |
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| 413 | char tbuf[ROAR_VIO_CMD_BUFSIZE]; |
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| 414 | int nonblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK; |
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| 415 | int in, out; |
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[1256] | 416 | |
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| 417 | if ( !state->writer.opened ) { |
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| 418 | if ( buf == NULL && count == 0 ) /* sync: no need to do anything if no writer is forked :) */ |
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| 419 | return 0; |
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| 420 | |
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| 421 | if ( !(state->options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) /* we are not on demand and no writer exists? -> err */ |
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| 422 | return -1; |
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| 423 | |
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| 424 | if ( roar_vio_cmd_fork(&(state->writer)) == -1 ) |
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| 425 | return -1; |
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| 426 | } |
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| 427 | |
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[1271] | 428 | in = state->writer.in; |
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| 429 | out = state->writer.out; |
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| 430 | |
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| 431 | if ( buf == NULL ) { // we are requested to sync |
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| 432 | if ( in != -1 ) { |
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| 433 | ret = 1; |
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| 434 | done = 0; |
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| 435 | while (ret > 0) { |
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[1273] | 436 | if ( state->state == ROAR_VIO_CMD_STATE_CLOSING ) { |
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| 437 | tv.tv_sec = 3600; |
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| 438 | tv.tv_usec = 0; |
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| 439 | } else { |
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| 440 | tv.tv_sec = 0; |
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| 441 | tv.tv_usec = done ? 1 : 50000; // 50ms |
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| 442 | } |
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[1271] | 443 | |
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| 444 | done++; |
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| 445 | |
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| 446 | FD_ZERO(rfhs); |
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| 447 | FD_SET(in, rfhs); |
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| 448 | |
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| 449 | if ( select(in+1, rfhs, NULL, NULL, &tv) < 1 ) |
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| 450 | break; |
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| 451 | |
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| 452 | ret = read(in, tbuf, ROAR_VIO_CMD_BUFSIZE); |
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| 453 | |
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| 454 | if ( roar_vio_write(state->next, tbuf, ret) != ret ) |
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| 455 | return -1; |
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| 456 | } |
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| 457 | } |
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| 458 | |
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| 459 | return 0; |
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| 460 | } |
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| 461 | |
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| 462 | while (done < count) { |
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| 463 | if ( nonblock ) { |
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| 464 | tv.tv_sec = 0; |
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| 465 | tv.tv_usec = 1; |
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| 466 | } else { |
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| 467 | tv.tv_sec = 3600; |
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| 468 | tv.tv_usec = 0; |
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| 469 | } |
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| 470 | |
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| 471 | FD_ZERO(rfhs); |
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| 472 | FD_ZERO(wfhs); |
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| 473 | |
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| 474 | FD_SET(out, wfhs); |
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| 475 | |
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| 476 | if ( in != -1 ) { |
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| 477 | FD_SET(in, rfhs); |
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| 478 | } |
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| 479 | |
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| 480 | max_fh = in > out ? in : out; |
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| 481 | |
---|
| 482 | if ( (ret = select(max_fh + 1, rfhs, wfhs, NULL, &tv)) == -1 ) |
---|
| 483 | return -1; |
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| 484 | |
---|
| 485 | if ( ret > 0 ) { |
---|
| 486 | if ( FD_ISSET(out, wfhs) ) { |
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| 487 | |
---|
| 488 | if ( (ret = write(out, buf+done, count-done)) == -1 ) |
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| 489 | break; |
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| 490 | |
---|
| 491 | if ( ret == 0 ) |
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| 492 | break; |
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| 493 | |
---|
| 494 | done += ret; |
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| 495 | } |
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[1663] | 496 | if ( in != -1 && FD_ISSET(in, rfhs) ) { |
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[1271] | 497 | if ( (ret = read(in, tbuf, ROAR_VIO_CMD_BUFSIZE)) == -1 ) { /* error case: can not read on reader -> EOF */ |
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| 498 | close(in); |
---|
| 499 | state->writer.in = in = -1; |
---|
| 500 | break; |
---|
| 501 | } |
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| 502 | |
---|
| 503 | if ( roar_vio_write(state->next, tbuf, ret) != ret ) |
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| 504 | return -1; |
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| 505 | } |
---|
| 506 | } |
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| 507 | |
---|
| 508 | if ( nonblock ) |
---|
| 509 | break; |
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| 510 | } |
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[1256] | 511 | |
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[1663] | 512 | return done; |
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[1256] | 513 | } |
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| 514 | |
---|
| 515 | int roar_vio_cmd_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 516 | struct roar_vio_cmd_state * self = (struct roar_vio_cmd_state *)vio->inst; |
---|
| 517 | |
---|
| 518 | self->options |= ROAR_VIO_CMD_OPTS_NONBLOCK; |
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| 519 | |
---|
| 520 | if ( state == ROAR_SOCKET_BLOCK ) |
---|
| 521 | self->options -= ROAR_VIO_CMD_OPTS_NONBLOCK; |
---|
| 522 | |
---|
[1257] | 523 | roar_vio_nonblock(self->next, state); // this should help, but may not nessessery. |
---|
| 524 | |
---|
[1256] | 525 | return 0; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | int roar_vio_cmd_sync (struct roar_vio_calls * vio) { |
---|
| 529 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
---|
| 530 | int oldblock; |
---|
| 531 | int ret = 0; |
---|
| 532 | |
---|
| 533 | oldblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK ? ROAR_SOCKET_NONBLOCK : ROAR_SOCKET_BLOCK; |
---|
| 534 | |
---|
| 535 | if ( roar_vio_cmd_nonblock(vio, ROAR_SOCKET_BLOCK) == -1 ) |
---|
| 536 | return -1; |
---|
| 537 | |
---|
| 538 | if ( roar_vio_cmd_write(vio, NULL, 0) == -1 ) |
---|
| 539 | ret = -1; |
---|
| 540 | |
---|
| 541 | if ( roar_vio_cmd_read(vio, NULL, 0) == -1 ) |
---|
| 542 | ret = -1; |
---|
| 543 | |
---|
| 544 | if ( roar_vio_cmd_nonblock(vio, oldblock) == -1 ) |
---|
| 545 | return -1; |
---|
| 546 | |
---|
| 547 | return ret; |
---|
| 548 | } |
---|
[1612] | 549 | |
---|
| 550 | int roar_vio_cmd_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
| 551 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
---|
| 552 | char buf[1]; |
---|
| 553 | |
---|
| 554 | ROAR_WARN("roar_vio_cmd_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 555 | |
---|
| 556 | switch (cmd) { |
---|
| 557 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 558 | *(struct roar_vio_calls **)data = state->next; |
---|
| 559 | return -1; |
---|
| 560 | break; |
---|
| 561 | case ROAR_VIO_CTL_GET_FH: |
---|
| 562 | return -1; |
---|
| 563 | break; |
---|
| 564 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 565 | // if ( !state->reader.opened ) { |
---|
| 566 | //for (i = 0; i < 128; i++) |
---|
| 567 | roar_vio_cmd_read(vio, buf, 0); |
---|
| 568 | // } |
---|
| 569 | if ( state->reader.opened ) { |
---|
| 570 | ROAR_WARN("roar_vio_cmd_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_READ_FH(0x%.8x), data=%p) = 0 // fh=%i", vio, cmd, data, state->reader.in); |
---|
| 571 | *(int*)data = state->reader.in; |
---|
| 572 | return 0; |
---|
| 573 | } |
---|
| 574 | return -1; |
---|
| 575 | break; |
---|
| 576 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
| 577 | return -1; |
---|
| 578 | break; |
---|
| 579 | default: |
---|
| 580 | return -1; |
---|
| 581 | } |
---|
| 582 | |
---|
| 583 | return 0; |
---|
| 584 | } |
---|
[1366] | 585 | #endif |
---|
[1256] | 586 | |
---|
[1264] | 587 | // MISC: |
---|
| 588 | int roar_vio_open_gzip(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int level) { |
---|
[1366] | 589 | #if defined(ROAR_HAVE_BIN_GZIP) || !defined(ROAR_WITHOUT_VIO_CMD) |
---|
[1264] | 590 | char wbuf[80]; |
---|
| 591 | char * writer = ROAR_HAVE_BIN_GZIP " -c"; |
---|
| 592 | |
---|
| 593 | if ( level != -1 ) { |
---|
| 594 | snprintf(wbuf, 80, "%s -c%i", ROAR_HAVE_BIN_GZIP, level); |
---|
| 595 | writer = wbuf; |
---|
| 596 | } |
---|
| 597 | |
---|
| 598 | return roar_vio_open_cmd(calls, dst, ROAR_HAVE_BIN_GZIP " -dc", writer, ROAR_VIO_CMD_OPTS_ON_DEMAND); |
---|
| 599 | #else |
---|
| 600 | return -1; |
---|
| 601 | #endif |
---|
| 602 | } |
---|
| 603 | |
---|
[1269] | 604 | int roar_vio_open_gpg(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int wronly, char * opts, int options) { |
---|
[1400] | 605 | #if defined(ROAR_HAVE_BIN_GPG) && !defined(ROAR_WITHOUT_VIO_CMD) |
---|
[1266] | 606 | char command[1024]; |
---|
[1269] | 607 | char para[1024] = {0}; |
---|
[1266] | 608 | int pwpipe[2]; |
---|
| 609 | int ret; |
---|
| 610 | |
---|
[1269] | 611 | /* |
---|
| 612 | #define ROAR_VIO_PGP_OPTS_NONE 0x00 |
---|
| 613 | #define ROAR_VIO_PGP_OPTS_ASCII 0x01 |
---|
| 614 | #define ROAR_VIO_PGP_OPTS_SIGN 0x02 |
---|
| 615 | #define ROAR_VIO_PGP_OPTS_TEXTMODE 0x04 |
---|
| 616 | */ |
---|
| 617 | |
---|
| 618 | if ( options & ROAR_VIO_PGP_OPTS_ASCII ) |
---|
| 619 | strncat(para, "--armor ", 16); |
---|
| 620 | |
---|
| 621 | if ( options & ROAR_VIO_PGP_OPTS_SIGN ) |
---|
| 622 | strncat(para, "--sign ", 16); |
---|
| 623 | |
---|
| 624 | if ( options & ROAR_VIO_PGP_OPTS_TEXTMODE ) |
---|
| 625 | strncat(para, "--textmode ", 16); |
---|
| 626 | |
---|
[1266] | 627 | if ( pw != NULL ) { |
---|
| 628 | if ( pipe(pwpipe) == -1 ) |
---|
| 629 | return -1; |
---|
| 630 | |
---|
[1269] | 631 | snprintf(command, 1024, "%s --batch --no-verbose --quiet --passphrase-repeat 0 --passphrase-fd %i %s %s", ROAR_HAVE_BIN_GPG, pwpipe[0], para, opts); |
---|
[1266] | 632 | |
---|
| 633 | write(pwpipe[1], pw, strlen(pw)); |
---|
| 634 | |
---|
| 635 | close(pwpipe[1]); |
---|
| 636 | } else { |
---|
[1278] | 637 | snprintf(command, 1024, "%s --no-verbose --quiet %s %s", ROAR_HAVE_BIN_GPG, para, opts); |
---|
[1266] | 638 | } |
---|
| 639 | |
---|
| 640 | if ( wronly ) { |
---|
| 641 | ret = roar_vio_open_cmd(calls, dst, NULL, command, 0); |
---|
| 642 | } else { |
---|
| 643 | ret = roar_vio_open_cmd(calls, dst, command, NULL, 0); |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | if ( pw != NULL ) |
---|
| 647 | close(pwpipe[0]); |
---|
| 648 | |
---|
| 649 | return ret; |
---|
| 650 | #else |
---|
| 651 | return -1; |
---|
| 652 | #endif |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | int roar_vio_open_pgp_decrypt(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw) { |
---|
[1269] | 656 | return roar_vio_open_gpg(calls, dst, pw, 0, "-d", ROAR_VIO_PGP_OPTS_NONE); |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | int roar_vio_open_pgp_store(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int options) { |
---|
| 660 | return roar_vio_open_gpg(calls, dst, NULL, 1, "--store", options); |
---|
[1266] | 661 | } |
---|
| 662 | |
---|
[1269] | 663 | int roar_vio_open_pgp_encrypt_sym(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options) { |
---|
| 664 | return roar_vio_open_gpg(calls, dst, pw, 1, "--symmetric", options); |
---|
| 665 | } |
---|
| 666 | int roar_vio_open_pgp_encrypt_pub(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options, char * recipient) { |
---|
| 667 | char buf[1024]; |
---|
| 668 | |
---|
| 669 | snprintf(buf, 1024, "-e -r %s", recipient); |
---|
| 670 | return roar_vio_open_gpg(calls, dst, pw, 1, buf, options); |
---|
| 671 | } |
---|
[1266] | 672 | |
---|
[1255] | 673 | //ll |
---|