1 | //vio_cmd.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2014 |
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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, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #include "libroar.h" |
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37 | |
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38 | int roar_vio_open_cmd(struct roar_vio_calls * calls, struct roar_vio_calls * dst, |
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39 | char * reader, char * writer, int options) { |
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40 | #ifndef ROAR_WITHOUT_VIO_CMD |
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41 | struct roar_vio_cmd_state * state; |
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42 | |
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43 | if ( calls == NULL || dst == NULL ) |
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44 | return -1; |
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45 | |
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46 | if ( reader == NULL && writer == NULL ) |
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47 | return -1; |
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48 | |
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49 | if ( (state = roar_mm_malloc(sizeof(struct roar_vio_cmd_state))) == NULL ) |
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50 | return -1; |
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51 | |
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52 | ROAR_DBG("roar_vio_open_cmd(*): pre reqs are OK"); |
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53 | |
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54 | // clear all |
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55 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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56 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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57 | calls->refc = 1; |
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58 | memset(state, 0, sizeof(struct roar_vio_cmd_state)); |
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59 | |
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60 | // init reader and writer: |
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61 | state->reader.pid = -1; |
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62 | state->reader.in = -1; |
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63 | state->reader.out = -1; |
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64 | |
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65 | if ( reader != NULL ) |
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66 | state->reader.cmd = roar_mm_strdup(reader); |
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67 | |
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68 | state->writer.pid = -1; |
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69 | state->writer.in = -1; |
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70 | state->writer.out = -1; |
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71 | |
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72 | if ( writer != NULL ) |
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73 | state->writer.cmd = roar_mm_strdup(writer); |
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74 | |
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75 | // init state |
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76 | state->next = dst; |
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77 | state->options = options; |
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78 | state->state = ROAR_VIO_CMD_STATE_OPEN; |
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79 | |
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80 | // init calls |
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81 | calls->close = roar_vio_cmd_close; |
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82 | calls->read = roar_vio_cmd_read; |
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83 | calls->write = roar_vio_cmd_write; |
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84 | calls->sync = roar_vio_cmd_sync; |
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85 | calls->ctl = roar_vio_cmd_ctl; |
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86 | calls->inst = (void*) state; |
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87 | |
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88 | ROAR_DBG("roar_vio_open_cmd(*): var setup OK"); |
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89 | |
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90 | if ( !(options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) { |
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91 | if ( reader != NULL ) |
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92 | if ( roar_vio_cmd_fork(&(state->reader)) == -1 ) |
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93 | return roar_vio_cmd_close(calls); |
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94 | |
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95 | if ( writer != NULL ) |
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96 | if ( roar_vio_cmd_fork(&(state->writer)) == -1 ) |
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97 | return roar_vio_cmd_close(calls); |
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98 | } |
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99 | |
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100 | return 0; |
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101 | #else |
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102 | return -1; |
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103 | #endif |
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104 | } |
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105 | |
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106 | #ifndef ROAR_WITHOUT_VIO_CMD |
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107 | int roar_vio_cmd_close(struct roar_vio_calls * vio) { |
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108 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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109 | |
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110 | state->state = ROAR_VIO_CMD_STATE_CLOSING; |
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111 | |
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112 | if ( state->writer.opened ) { |
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113 | if ( state->writer.out != -1 ) { |
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114 | close(state->writer.out); |
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115 | state->writer.out = -1; |
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116 | } |
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117 | } |
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118 | |
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119 | roar_vio_cmd_sync(vio); |
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120 | |
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121 | if ( state->reader.opened ) |
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122 | roar_vio_cmd_wait(&(state->reader)); |
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123 | |
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124 | if ( state->writer.opened ) |
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125 | roar_vio_cmd_wait(&(state->writer)); |
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126 | |
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127 | if ( state->reader.cmd != NULL ) |
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128 | roar_mm_free(state->reader.cmd); |
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129 | |
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130 | if ( state->writer.cmd != NULL ) |
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131 | roar_mm_free(state->writer.cmd); |
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132 | |
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133 | roar_vio_close(state->next); |
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134 | |
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135 | // state->state = ROAR_VIO_CMD_STATE_CLOSED; |
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136 | roar_mm_free(state); |
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137 | |
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138 | return 0; |
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139 | } |
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140 | |
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141 | int roar_vio_cmd_fork(struct roar_vio_cmd_child * child) { |
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142 | int in[2], out[2]; |
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143 | char * bin_sh; |
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144 | |
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145 | if ( child == NULL ) |
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146 | return -1; |
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147 | |
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148 | if ( child->opened ) |
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149 | return 0; |
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150 | |
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151 | if ( child->cmd == NULL ) |
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152 | return -1; |
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153 | |
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154 | // open some pipes... |
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155 | if ( pipe(in) != 0 ) |
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156 | return -1; |
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157 | |
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158 | if ( pipe(out) != 0 ) { |
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159 | close(in[0]); |
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160 | close(in[1]); |
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161 | return -1; |
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162 | } |
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163 | |
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164 | child->pid = roar_fork(NULL); |
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165 | |
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166 | switch (child->pid) { |
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167 | case -1: |
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168 | close(in[0]); |
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169 | close(in[1]); |
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170 | close(out[0]); |
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171 | close(out[1]); |
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172 | return -1; |
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173 | break; |
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174 | case 0: |
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175 | roar_watchdog_stop(); |
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176 | |
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177 | close(in[0]); |
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178 | close(out[1]); |
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179 | close(ROAR_STDIN); |
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180 | close(ROAR_STDOUT); |
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181 | |
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182 | if ( dup2(out[0], ROAR_STDIN) == -1 ) |
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183 | ROAR_U_EXIT(1); |
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184 | |
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185 | if ( dup2(in[1], ROAR_STDOUT) == -1 ) |
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186 | ROAR_U_EXIT(1); |
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187 | |
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188 | bin_sh = roar_libroar_get_path("bin-sh", 0, NULL, NULL); |
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189 | if ( bin_sh == NULL ) |
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190 | ROAR_U_EXIT(1); |
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191 | |
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192 | execlp(bin_sh, bin_sh, "-c", child->cmd, (_LIBROAR_GOOD_CAST char*)NULL); |
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193 | |
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194 | roar_mm_free(bin_sh); |
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195 | |
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196 | ROAR_U_EXIT(1); |
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197 | break; |
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198 | } |
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199 | |
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200 | close(in[1]); |
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201 | close(out[0]); |
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202 | |
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203 | child->opened = 1; |
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204 | child->in = in[0]; |
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205 | child->out = out[1]; |
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206 | |
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207 | return 0; |
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208 | } |
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209 | |
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210 | int roar_vio_cmd_wait(struct roar_vio_cmd_child * child) { |
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211 | int status; |
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212 | |
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213 | if ( child == NULL ) |
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214 | return -1; |
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215 | |
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216 | if ( !child->opened ) |
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217 | return 0; |
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218 | |
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219 | if ( child->out != -1 ) |
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220 | close(child->out); |
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221 | |
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222 | if ( child->in != -1 ) |
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223 | close(child->in); |
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224 | |
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225 | waitpid(child->pid, &status, 0); |
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226 | |
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227 | return 0; |
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228 | } |
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229 | |
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230 | |
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231 | |
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232 | int roar_vio_open_2popen(struct roar_vio_calls * calls, char * command, int options) { |
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233 | #ifndef ROAR_WITHOUT_VIO_CMD |
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234 | struct roar_vio_2popen_state * state; |
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235 | |
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236 | if ( calls == NULL || command == NULL || options < 0 ) |
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237 | return -1; |
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238 | |
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239 | if ( (state = roar_mm_malloc(sizeof(struct roar_vio_2popen_state))) == NULL ) |
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240 | return -1; |
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241 | |
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242 | ROAR_DBG("roar_vio_open_2popen(*): pre reqs are OK"); |
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243 | |
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244 | // clear all |
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245 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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246 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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247 | calls->refc = 1; |
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248 | memset(state, 0, sizeof(struct roar_vio_2popen_state)); |
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249 | |
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250 | // init reader and writer: |
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251 | state->child.pid = -1; |
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252 | state->child.in = -1; |
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253 | state->child.out = -1; |
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254 | |
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255 | state->child.cmd = roar_mm_strdup(command); |
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256 | |
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257 | // init state |
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258 | state->options = options; |
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259 | state->state = ROAR_VIO_CMD_STATE_OPEN; |
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260 | |
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261 | // init calls |
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262 | calls->close = roar_vio_2popen_close; |
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263 | /* |
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264 | calls->read = roar_vio_2popen_read; |
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265 | calls->write = roar_vio_2popen_write; |
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266 | calls->sync = roar_vio_2popen_sync; |
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267 | calls->ctl = roar_vio_2popen_ctl; |
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268 | */ |
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269 | calls->inst = (void*) state; |
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270 | |
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271 | ROAR_DBG("roar_vio_open_2popen(*): var setup OK"); |
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272 | |
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273 | if ( !(options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) { |
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274 | if ( roar_vio_cmd_fork(&(state->child)) == -1 ) |
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275 | return roar_vio_2popen_close(calls); |
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276 | } |
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277 | |
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278 | return 0; |
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279 | #else |
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280 | return -1; |
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281 | #endif |
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282 | } |
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283 | |
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284 | #ifndef ROAR_WITHOUT_VIO_CMD |
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285 | int roar_vio_2popen_close(struct roar_vio_calls * vio) { |
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286 | struct roar_vio_2popen_state * state = (struct roar_vio_2popen_state *)vio->inst; |
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287 | |
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288 | state->state = ROAR_VIO_CMD_STATE_CLOSING; |
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289 | |
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290 | if ( state->child.opened ) |
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291 | roar_vio_cmd_wait(&(state->child)); |
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292 | |
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293 | if ( state->child.cmd != NULL ) |
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294 | roar_mm_free(state->child.cmd); |
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295 | |
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296 | roar_mm_free(state); |
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297 | |
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298 | return 0; |
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299 | } |
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300 | #endif |
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301 | |
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302 | |
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303 | // VIOs: |
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304 | |
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305 | ssize_t roar_vio_cmd_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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306 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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307 | fd_set rfhs[1], wfhs[1]; |
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308 | struct timeval tv; |
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309 | size_t done = 0; |
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310 | int max_fh; |
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311 | int ret; |
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312 | char tbuf[ROAR_VIO_CMD_BUFSIZE]; |
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313 | char * tp = NULL; |
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314 | ssize_t tlen = 0; |
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315 | int nonblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK; |
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316 | int in, out; |
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317 | |
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318 | ROAR_DBG("roar_vio_cmd_read(*) = ?"); |
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319 | |
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320 | if ( !state->reader.opened ) { |
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321 | if ( buf == NULL && count == 0 ) /* sync: no need to do anything if no reader is forked :) */ |
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322 | return 0; |
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323 | |
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324 | if ( !(state->options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) /* we are not on demand and no reader exists? -> err */ |
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325 | return -1; |
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326 | |
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327 | if ( roar_vio_cmd_fork(&(state->reader)) == -1 ) |
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328 | return -1; |
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329 | } |
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330 | |
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331 | in = state->reader.in; |
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332 | out = state->reader.out; |
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333 | |
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334 | while (done < count) { |
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335 | if ( nonblock ) { |
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336 | tv.tv_sec = 0; |
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337 | tv.tv_usec = 1; |
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338 | } else { |
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339 | tv.tv_sec = 3600; |
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340 | tv.tv_usec = 0; |
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341 | } |
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342 | |
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343 | FD_ZERO(rfhs); |
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344 | FD_ZERO(wfhs); |
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345 | |
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346 | FD_SET(in, rfhs); |
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347 | |
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348 | if ( out != -1 ) { |
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349 | FD_SET(out, wfhs); |
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350 | } |
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351 | |
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352 | #ifdef DEBUG |
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353 | if ( FD_ISSET(in, rfhs) ) { |
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354 | ROAR_DBG("roar_vio_cmd_read(*): reader set in fh group"); |
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355 | } |
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356 | #endif |
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357 | |
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358 | max_fh = in > out ? in : out; |
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359 | ROAR_DBG("roar_vio_cmd_read(*): max_fh=%i", max_fh); |
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360 | |
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361 | if ( (ret = select(max_fh + 1, rfhs, wfhs, NULL, &tv)) == -1 ) { |
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362 | #ifdef EINTR |
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363 | if ( errno == EINTR ) { |
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364 | ROAR_DBG("roar_vio_cmd_read(*): Ooops. Something went wrong. (will try to continue)"); |
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365 | continue; |
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366 | } |
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367 | #endif |
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368 | #ifdef ERESTARTNOHAND |
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369 | if ( errno == ERESTARTNOHAND ) { |
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370 | ROAR_WARN("roar_vio_cmd_read(*): We hit a kernel bug. Haha! (will try to continue)"); |
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371 | continue; |
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372 | } |
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373 | #endif |
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374 | return -1; |
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375 | } |
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376 | |
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377 | ROAR_DBG("roar_vio_cmd_read(*): select(*) = %i", ret); |
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378 | ROAR_DBG("roar_vio_cmd_read(*): reader=%i, writer=%i", in, out); |
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379 | |
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380 | if ( ret > 0 ) { |
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381 | if ( FD_ISSET(in, rfhs) ) { |
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382 | ROAR_DBG("roar_vio_cmd_read(*): event on reader"); |
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383 | |
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384 | if ( (ret = read(in, buf+done, count-done)) == -1 ) |
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385 | break; |
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386 | |
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387 | if ( ret == 0 ) |
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388 | break; |
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389 | |
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390 | done += ret; |
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391 | } |
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392 | |
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393 | if ( out != -1 && FD_ISSET(out, wfhs) ) { |
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394 | ROAR_DBG("roar_vio_cmd_read(*): event on writer"); |
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395 | |
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396 | if ( !tlen ) { |
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397 | tp = tbuf; |
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398 | tlen = 0; |
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399 | if ( (tlen = roar_vio_read(state->next, tp, ROAR_VIO_CMD_BUFSIZE)) == -1 ) { |
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400 | tlen = 0; |
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401 | continue; |
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402 | } |
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403 | } |
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404 | |
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405 | if ( tlen ) { |
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406 | if ( (ret = write(out, tp, tlen)) > 0 ) { |
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407 | tlen -= ret; |
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408 | tp += ret; |
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409 | } |
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410 | } else { |
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411 | close(out); |
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412 | state->reader.out = out = -1; |
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413 | } |
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414 | } |
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415 | } |
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416 | |
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417 | if ( nonblock ) |
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418 | break; |
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419 | } |
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420 | |
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421 | if ( tlen ) { /* we have some data to write to the child... */ |
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422 | // TODO: try to write it out... |
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423 | return -1; |
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424 | } |
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425 | |
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426 | return done; |
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427 | } |
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428 | |
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429 | ssize_t roar_vio_cmd_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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430 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
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431 | fd_set rfhs[1], wfhs[1]; |
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432 | struct timeval tv; |
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433 | size_t done = 0; |
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434 | int max_fh; |
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435 | int ret; |
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436 | char tbuf[ROAR_VIO_CMD_BUFSIZE]; |
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437 | int nonblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK; |
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438 | int in, out; |
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439 | |
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440 | if ( !state->writer.opened ) { |
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441 | if ( buf == NULL && count == 0 ) /* sync: no need to do anything if no writer is forked :) */ |
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442 | return 0; |
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443 | |
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444 | if ( !(state->options & ROAR_VIO_CMD_OPTS_ON_DEMAND) ) /* we are not on demand and no writer exists? -> err */ |
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445 | return -1; |
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446 | |
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447 | if ( roar_vio_cmd_fork(&(state->writer)) == -1 ) |
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448 | return -1; |
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449 | } |
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450 | |
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451 | in = state->writer.in; |
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452 | out = state->writer.out; |
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453 | |
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454 | if ( buf == NULL ) { // we are requested to sync |
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455 | if ( in != -1 ) { |
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456 | ret = 1; |
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457 | done = 0; |
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458 | while (ret > 0) { |
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459 | if ( state->state == ROAR_VIO_CMD_STATE_CLOSING ) { |
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460 | tv.tv_sec = 3600; |
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461 | tv.tv_usec = 0; |
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462 | } else { |
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463 | tv.tv_sec = 0; |
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464 | tv.tv_usec = done ? 1 : 50000; // 50ms |
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465 | } |
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466 | |
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467 | done++; |
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468 | |
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469 | FD_ZERO(rfhs); |
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470 | FD_SET(in, rfhs); |
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471 | |
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472 | if ( select(in+1, rfhs, NULL, NULL, &tv) < 1 ) |
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473 | break; |
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474 | |
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475 | ret = read(in, tbuf, ROAR_VIO_CMD_BUFSIZE); |
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476 | |
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477 | if ( roar_vio_write(state->next, tbuf, ret) != ret ) |
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478 | return -1; |
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479 | } |
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480 | } |
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481 | |
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482 | return 0; |
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483 | } |
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484 | |
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485 | while (done < count) { |
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486 | if ( nonblock ) { |
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487 | tv.tv_sec = 0; |
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488 | tv.tv_usec = 1; |
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489 | } else { |
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490 | tv.tv_sec = 3600; |
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491 | tv.tv_usec = 0; |
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492 | } |
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493 | |
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494 | FD_ZERO(rfhs); |
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495 | FD_ZERO(wfhs); |
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496 | |
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497 | FD_SET(out, wfhs); |
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498 | |
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499 | if ( in != -1 ) { |
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500 | FD_SET(in, rfhs); |
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501 | } |
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502 | |
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503 | max_fh = in > out ? in : out; |
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504 | |
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505 | if ( (ret = select(max_fh + 1, rfhs, wfhs, NULL, &tv)) == -1 ) |
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506 | return -1; |
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507 | |
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508 | if ( ret > 0 ) { |
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509 | if ( FD_ISSET(out, wfhs) ) { |
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510 | |
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511 | if ( (ret = write(out, buf+done, count-done)) == -1 ) |
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512 | break; |
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513 | |
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514 | if ( ret == 0 ) |
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515 | break; |
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516 | |
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517 | done += ret; |
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518 | } |
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519 | if ( in != -1 && FD_ISSET(in, rfhs) ) { |
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520 | if ( (ret = read(in, tbuf, ROAR_VIO_CMD_BUFSIZE)) == -1 ) { /* error case: can not read on reader -> EOF */ |
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521 | close(in); |
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522 | state->writer.in = in = -1; |
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523 | break; |
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524 | } |
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525 | |
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526 | if ( roar_vio_write(state->next, tbuf, ret) != ret ) |
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527 | return -1; |
---|
528 | } |
---|
529 | } |
---|
530 | |
---|
531 | if ( nonblock ) |
---|
532 | break; |
---|
533 | } |
---|
534 | |
---|
535 | return done; |
---|
536 | } |
---|
537 | |
---|
538 | int roar_vio_cmd_sync (struct roar_vio_calls * vio) { |
---|
539 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
---|
540 | int newblock = ROAR_SOCKET_BLOCK; |
---|
541 | int oldblock; |
---|
542 | int ret = 0; |
---|
543 | |
---|
544 | oldblock = state->options & ROAR_VIO_CMD_OPTS_NONBLOCK ? ROAR_SOCKET_NONBLOCK : ROAR_SOCKET_BLOCK; |
---|
545 | |
---|
546 | if ( roar_vio_cmd_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &newblock) == -1 ) |
---|
547 | return -1; |
---|
548 | |
---|
549 | if ( roar_vio_cmd_write(vio, NULL, 0) == -1 ) |
---|
550 | ret = -1; |
---|
551 | |
---|
552 | if ( roar_vio_cmd_read(vio, NULL, 0) == -1 ) |
---|
553 | ret = -1; |
---|
554 | |
---|
555 | if ( roar_vio_cmd_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &oldblock) == -1 ) |
---|
556 | return -1; |
---|
557 | |
---|
558 | return ret; |
---|
559 | } |
---|
560 | |
---|
561 | int roar_vio_cmd_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
562 | struct roar_vio_cmd_state * state = (struct roar_vio_cmd_state *)vio->inst; |
---|
563 | char buf[1]; |
---|
564 | |
---|
565 | ROAR_DBG("roar_vio_cmd_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
566 | |
---|
567 | switch (cmd) { |
---|
568 | case ROAR_VIO_CTL_GET_NAME: |
---|
569 | if ( data == NULL ) |
---|
570 | return -1; |
---|
571 | |
---|
572 | *(char**)data = "cmd"; |
---|
573 | return 0; |
---|
574 | break; |
---|
575 | case ROAR_VIO_CTL_GET_NEXT: |
---|
576 | *(struct roar_vio_calls **)data = state->next; |
---|
577 | return -1; |
---|
578 | break; |
---|
579 | case ROAR_VIO_CTL_GET_FH: |
---|
580 | return -1; |
---|
581 | break; |
---|
582 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
583 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
584 | // if ( !state->reader.opened ) { |
---|
585 | //for (i = 0; i < 128; i++) |
---|
586 | roar_vio_cmd_read(vio, buf, 0); |
---|
587 | // } |
---|
588 | if ( state->reader.opened ) { |
---|
589 | ROAR_DBG("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); |
---|
590 | *(int*)data = state->reader.in; |
---|
591 | return 0; |
---|
592 | } |
---|
593 | return -1; |
---|
594 | break; |
---|
595 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
596 | return -1; |
---|
597 | break; |
---|
598 | case ROAR_VIO_CTL_NONBLOCK: |
---|
599 | state->options |= ROAR_VIO_CMD_OPTS_NONBLOCK; |
---|
600 | |
---|
601 | if ( *(int*)data == ROAR_SOCKET_BLOCK ) |
---|
602 | state->options -= ROAR_VIO_CMD_OPTS_NONBLOCK; |
---|
603 | |
---|
604 | _LIBROAR_IGNORE_RET(roar_vio_ctl(state->next, cmd, data)); // this should help, but may not necessarily. |
---|
605 | break; |
---|
606 | default: |
---|
607 | return -1; |
---|
608 | } |
---|
609 | |
---|
610 | return 0; |
---|
611 | } |
---|
612 | #endif |
---|
613 | |
---|
614 | // MISC: |
---|
615 | int roar_vio_open_gzip(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int level) { |
---|
616 | roar_debug_warn_obsolete("roar_vio_open_gzip", "roar_vio_open_zlib", NULL); |
---|
617 | |
---|
618 | #ifdef ROAR_HAVE_LIBZ |
---|
619 | return roar_vio_open_zlib(calls, dst, level, 1); |
---|
620 | #else |
---|
621 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
622 | return -1; |
---|
623 | #endif |
---|
624 | } |
---|
625 | |
---|
626 | int roar_vio_open_gpg(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int wronly, char * opts, int options) { |
---|
627 | #if defined(ROAR_HAVE_BIN_GPG) && !defined(ROAR_WITHOUT_VIO_CMD) |
---|
628 | char command[1024]; |
---|
629 | char para[1024] = {0}; |
---|
630 | char * bin_gpg; |
---|
631 | int pwpipe[2]; |
---|
632 | int ret; |
---|
633 | |
---|
634 | /* |
---|
635 | #define ROAR_VIO_PGP_OPTS_NONE 0x00 |
---|
636 | #define ROAR_VIO_PGP_OPTS_ASCII 0x01 |
---|
637 | #define ROAR_VIO_PGP_OPTS_SIGN 0x02 |
---|
638 | #define ROAR_VIO_PGP_OPTS_TEXTMODE 0x04 |
---|
639 | */ |
---|
640 | |
---|
641 | if ( options & ROAR_VIO_PGP_OPTS_ASCII ) |
---|
642 | strncat(para, "--armor ", 16); |
---|
643 | |
---|
644 | if ( options & ROAR_VIO_PGP_OPTS_SIGN ) |
---|
645 | strncat(para, "--sign ", 16); |
---|
646 | |
---|
647 | if ( options & ROAR_VIO_PGP_OPTS_TEXTMODE ) |
---|
648 | strncat(para, "--textmode ", 16); |
---|
649 | |
---|
650 | bin_gpg = roar_libroar_get_path("bin-gpg", 0, NULL, NULL); |
---|
651 | if ( bin_gpg == NULL ) |
---|
652 | return -1; |
---|
653 | |
---|
654 | if ( pw != NULL ) { |
---|
655 | if ( pipe(pwpipe) == -1 ) { |
---|
656 | roar_mm_free_noerror(bin_gpg); |
---|
657 | return -1; |
---|
658 | } |
---|
659 | |
---|
660 | snprintf(command, sizeof(command), "%s --batch --no-verbose --quiet --passphrase-repeat 0 --passphrase-fd %i %s %s", bin_gpg, pwpipe[0], para, opts); |
---|
661 | |
---|
662 | write(pwpipe[1], pw, strlen(pw)); |
---|
663 | |
---|
664 | close(pwpipe[1]); |
---|
665 | } else { |
---|
666 | snprintf(command, sizeof(command), "%s --no-verbose --quiet %s %s", bin_gpg, para, opts); |
---|
667 | } |
---|
668 | |
---|
669 | roar_mm_free(bin_gpg); |
---|
670 | |
---|
671 | if ( wronly ) { |
---|
672 | ret = roar_vio_open_cmd(calls, dst, NULL, command, 0); |
---|
673 | } else { |
---|
674 | ret = roar_vio_open_cmd(calls, dst, command, NULL, 0); |
---|
675 | } |
---|
676 | |
---|
677 | if ( pw != NULL ) |
---|
678 | close(pwpipe[0]); |
---|
679 | |
---|
680 | return ret; |
---|
681 | #else |
---|
682 | return -1; |
---|
683 | #endif |
---|
684 | } |
---|
685 | |
---|
686 | int roar_vio_open_pgp_decrypt(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw) { |
---|
687 | return roar_vio_open_gpg(calls, dst, pw, 0, "-d", ROAR_VIO_PGP_OPTS_NONE); |
---|
688 | } |
---|
689 | |
---|
690 | int roar_vio_open_pgp_store(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int options) { |
---|
691 | return roar_vio_open_gpg(calls, dst, NULL, 1, "--store", options); |
---|
692 | } |
---|
693 | |
---|
694 | int roar_vio_open_pgp_encrypt_sym(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options) { |
---|
695 | return roar_vio_open_gpg(calls, dst, pw, 1, "--symmetric", options); |
---|
696 | } |
---|
697 | int roar_vio_open_pgp_encrypt_pub(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options, char * recipient) { |
---|
698 | char buf[1024]; |
---|
699 | |
---|
700 | snprintf(buf, sizeof(buf), "-e -r %s", recipient); |
---|
701 | return roar_vio_open_gpg(calls, dst, pw, 1, buf, options); |
---|
702 | } |
---|
703 | |
---|
704 | //ll |
---|