[1232] | 1 | //pinentry.c: |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
| 5 | * |
---|
| 6 | * This file is part of libroar a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * libroar is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
| 22 | * |
---|
| 23 | * NOTE for everyone want's to change something and send patches: |
---|
| 24 | * read README and HACKING! There a addition information on |
---|
| 25 | * the license of this document you need to read before you send |
---|
| 26 | * any patches. |
---|
| 27 | * |
---|
| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
| 29 | * or libpulse*: |
---|
| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
| 31 | * and are therefore GPL. Because of this it may be illigal to use |
---|
| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
| 33 | */ |
---|
| 34 | |
---|
| 35 | #include "libroar.h" |
---|
| 36 | |
---|
[1233] | 37 | int roar_pinentry_open (struct roar_pinentry * pe, int flags, char * display, char * tty, char * term) { |
---|
[1299] | 38 | #ifdef ROAR_HAVE_BIN_PINENTRY |
---|
[1234] | 39 | int in[2], out[2]; |
---|
| 40 | |
---|
[1233] | 41 | if ( pe == NULL ) |
---|
| 42 | return -1; |
---|
| 43 | |
---|
| 44 | memset(pe, 0, sizeof(struct roar_pinentry)); |
---|
| 45 | pe->in = -1; |
---|
| 46 | pe->out = -1; |
---|
| 47 | |
---|
[1234] | 48 | if ( display == NULL ) |
---|
| 49 | display = getenv("DISPLAY"); |
---|
| 50 | |
---|
| 51 | if ( display == NULL ) |
---|
| 52 | display = "(NONE)"; |
---|
| 53 | |
---|
| 54 | if ( tty == NULL ) |
---|
| 55 | tty = ttyname(ROAR_STDIN); |
---|
| 56 | |
---|
| 57 | if ( tty == NULL ) |
---|
[1237] | 58 | #ifdef ROAR_DEFAULT_TTY |
---|
| 59 | tty = ROAR_DEFAULT_TTY; |
---|
| 60 | #else |
---|
| 61 | return -1; |
---|
| 62 | #endif |
---|
[1234] | 63 | |
---|
| 64 | if ( term == NULL ) |
---|
| 65 | term = getenv("TERM"); |
---|
| 66 | |
---|
| 67 | if ( term == NULL ) |
---|
| 68 | term = "dumb"; |
---|
| 69 | |
---|
| 70 | // open some pipes... |
---|
| 71 | if ( pipe(in) != 0 ) |
---|
| 72 | return -1; |
---|
| 73 | |
---|
| 74 | if ( pipe(out) != 0 ) { |
---|
| 75 | close(in[0]); |
---|
| 76 | close(in[1]); |
---|
| 77 | return -1; |
---|
| 78 | } |
---|
| 79 | |
---|
| 80 | pe->pid = fork(); |
---|
| 81 | |
---|
| 82 | switch (pe->pid) { |
---|
| 83 | case -1: |
---|
| 84 | close(in[0]); |
---|
| 85 | close(in[1]); |
---|
| 86 | close(out[0]); |
---|
| 87 | close(out[1]); |
---|
| 88 | return -1; |
---|
| 89 | break; |
---|
| 90 | case 0: |
---|
| 91 | close(in[0]); |
---|
| 92 | close(out[1]); |
---|
| 93 | close(ROAR_STDIN); |
---|
| 94 | close(ROAR_STDOUT); |
---|
| 95 | |
---|
| 96 | if ( dup2(out[0], ROAR_STDIN) == -1 ) |
---|
| 97 | _exit(1); |
---|
| 98 | |
---|
| 99 | if ( dup2(in[1], ROAR_STDOUT) == -1 ) |
---|
| 100 | _exit(1); |
---|
| 101 | |
---|
[1235] | 102 | execlp(ROAR_HAVE_BIN_PINENTRY, "RoarAudio", "--display", display, "--ttytype", term, "--ttyname", tty, NULL); |
---|
[1234] | 103 | |
---|
| 104 | _exit(1); |
---|
| 105 | break; |
---|
| 106 | } |
---|
| 107 | |
---|
| 108 | close(in[1]); |
---|
| 109 | close(out[0]); |
---|
| 110 | |
---|
| 111 | pe->in = in[0]; |
---|
| 112 | pe->out = out[1]; |
---|
| 113 | |
---|
| 114 | pe->fin = fdopen(in[0], "r"); |
---|
| 115 | |
---|
[1235] | 116 | roar_pinentry_recv(pe, NULL, NULL); |
---|
| 117 | |
---|
[1233] | 118 | return 0; |
---|
| 119 | #else |
---|
| 120 | return -1; |
---|
| 121 | #endif |
---|
| 122 | } |
---|
| 123 | |
---|
| 124 | int roar_pinentry_simple_open(struct roar_pinentry * pe) { |
---|
| 125 | return roar_pinentry_open(pe, 0, NULL, NULL, NULL); |
---|
| 126 | } |
---|
| 127 | |
---|
| 128 | int roar_pinentry_close(struct roar_pinentry * pe) { |
---|
[1254] | 129 | int status; |
---|
| 130 | |
---|
[1233] | 131 | if ( pe == NULL ) |
---|
| 132 | return -1; |
---|
| 133 | |
---|
| 134 | if ( pe->opened == 0 ) |
---|
| 135 | return 0; |
---|
| 136 | |
---|
| 137 | if ( pe->out != -1 ) |
---|
| 138 | close(pe->out); |
---|
| 139 | |
---|
[1234] | 140 | if ( pe->fin != NULL ) |
---|
| 141 | fclose(pe->fin); |
---|
| 142 | |
---|
[1233] | 143 | if ( pe->in != -1 ) |
---|
| 144 | close(pe->in); |
---|
| 145 | |
---|
[1254] | 146 | waitpid(pe->pid, &status, 0); |
---|
| 147 | |
---|
[1234] | 148 | memset(pe, 0, sizeof(struct roar_pinentry)); |
---|
| 149 | |
---|
[1233] | 150 | return 0; |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | int roar_pinentry_send (struct roar_pinentry * pe, char * cmd, char * args) { |
---|
| 154 | size_t len; |
---|
| 155 | |
---|
| 156 | if ( pe == NULL ) |
---|
| 157 | return -1; |
---|
| 158 | |
---|
| 159 | if ( cmd == NULL ) |
---|
| 160 | return -1; |
---|
| 161 | |
---|
| 162 | len = strlen(cmd); |
---|
| 163 | |
---|
| 164 | if ( write(pe->out, cmd, len) != len ) |
---|
| 165 | return -1; |
---|
| 166 | |
---|
| 167 | if ( args != NULL ) { |
---|
[1268] | 168 | if ( write(pe->out, " ", 1) != 1 ) |
---|
| 169 | return -1; |
---|
| 170 | |
---|
[1233] | 171 | len = strlen(args); |
---|
| 172 | |
---|
| 173 | if ( write(pe->out, args, len) != len ) |
---|
| 174 | return -1; |
---|
| 175 | } |
---|
| 176 | |
---|
| 177 | if ( write(pe->out, "\n", 1) != 1 ) |
---|
| 178 | return -1; |
---|
| 179 | |
---|
| 180 | return 0; |
---|
| 181 | } |
---|
| 182 | |
---|
[1234] | 183 | |
---|
| 184 | #define MAX_LINE_SIZE 2048 |
---|
| 185 | int roar_pinentry_recv (struct roar_pinentry * pe, char ** line, char ** opts) { |
---|
| 186 | char realbuf[MAX_LINE_SIZE]; |
---|
| 187 | char * tp; |
---|
| 188 | |
---|
| 189 | if ( pe == NULL ) |
---|
| 190 | return -1; |
---|
| 191 | |
---|
| 192 | if ( pe->fin == NULL ) |
---|
| 193 | return -1; |
---|
| 194 | |
---|
| 195 | if ( fgets(realbuf, MAX_LINE_SIZE, pe->fin) == NULL ) |
---|
| 196 | return -1; |
---|
| 197 | |
---|
| 198 | tp = realbuf + strlen(realbuf) - 1; |
---|
| 199 | |
---|
[1235] | 200 | for (; *tp == '\r' || *tp == '\n'; tp--) |
---|
[1234] | 201 | *tp = 0; |
---|
| 202 | |
---|
| 203 | if ( (tp = strstr(realbuf, " ")) == NULL ) { |
---|
| 204 | if ( line != NULL ) |
---|
| 205 | *line = strdup(realbuf); |
---|
| 206 | |
---|
| 207 | if ( opts != NULL ) |
---|
| 208 | *opts = NULL; |
---|
| 209 | |
---|
| 210 | if ( !strcmp(realbuf, "OK") ) { |
---|
| 211 | return 0; |
---|
| 212 | } else if ( !strcmp(realbuf, "ERR") ) { |
---|
| 213 | return 1; |
---|
| 214 | } else { |
---|
| 215 | return -1; |
---|
| 216 | } |
---|
| 217 | } else { |
---|
| 218 | *tp = 0; |
---|
| 219 | |
---|
| 220 | if ( !strcmp(realbuf, "D") ) { |
---|
| 221 | if ( opts != NULL ) |
---|
| 222 | *opts = strdup(tp+1); |
---|
| 223 | |
---|
| 224 | return roar_pinentry_recv(pe, line, NULL); |
---|
| 225 | } |
---|
| 226 | |
---|
| 227 | if ( line != NULL ) |
---|
| 228 | *line = strdup(realbuf); |
---|
| 229 | |
---|
| 230 | if ( opts != NULL ) |
---|
| 231 | *opts = NULL; |
---|
| 232 | |
---|
| 233 | if ( !strcmp(realbuf, "OK") ) { |
---|
| 234 | return 0; |
---|
| 235 | } else if ( !strcmp(realbuf, "ERR") ) { |
---|
| 236 | return 1; |
---|
| 237 | } else { |
---|
| 238 | return -1; |
---|
| 239 | } |
---|
| 240 | } |
---|
| 241 | |
---|
[1233] | 242 | return -1; |
---|
| 243 | } |
---|
| 244 | |
---|
[1234] | 245 | int roar_pinentry_req (struct roar_pinentry * pe, char * cmd, char * args, char ** line, char ** opts) { |
---|
[1233] | 246 | if ( pe == NULL ) |
---|
| 247 | return -1; |
---|
| 248 | |
---|
| 249 | if ( roar_pinentry_send(pe, cmd, args) != 0 ) |
---|
| 250 | return -1; |
---|
| 251 | |
---|
| 252 | return roar_pinentry_recv(pe, line, opts); |
---|
| 253 | } |
---|
| 254 | |
---|
| 255 | int roar_pinentry_set_desc (struct roar_pinentry * pe, char * desc) { |
---|
| 256 | return roar_pinentry_set(pe, "DESC", desc); |
---|
| 257 | } |
---|
| 258 | |
---|
[1234] | 259 | int roar_pinentry_set_prompt(struct roar_pinentry * pe, char * prompt) { |
---|
| 260 | return roar_pinentry_set(pe, "PROMPT", prompt); |
---|
| 261 | } |
---|
| 262 | |
---|
| 263 | int roar_pinentry_set_yes (struct roar_pinentry * pe, char * yes) { |
---|
[1235] | 264 | return roar_pinentry_set(pe, "OK", yes); |
---|
[1234] | 265 | } |
---|
| 266 | |
---|
| 267 | int roar_pinentry_set_no (struct roar_pinentry * pe, char * no) { |
---|
[1235] | 268 | return roar_pinentry_set(pe, "CANCEL", no); |
---|
[1234] | 269 | } |
---|
| 270 | |
---|
[1233] | 271 | int roar_pinentry_set (struct roar_pinentry * pe, char * obj, char * text) { |
---|
| 272 | char req[80] = "SET"; |
---|
| 273 | |
---|
| 274 | if ( pe == NULL ) |
---|
| 275 | return -1; |
---|
| 276 | |
---|
| 277 | if ( obj == NULL ) |
---|
| 278 | return -1; |
---|
| 279 | |
---|
[1268] | 280 | if ( strlen(obj) > (80-(1 /* \0 */ + 3 /* "SET" */)) ) |
---|
[1233] | 281 | return -1; |
---|
| 282 | |
---|
[1268] | 283 | strncat(req, obj, 80-4); |
---|
[1233] | 284 | |
---|
| 285 | return roar_pinentry_req(pe, req, text, NULL, NULL); |
---|
| 286 | } |
---|
| 287 | |
---|
[1234] | 288 | int roar_pinentry_getpin (struct roar_pinentry * pe, char ** pw, char * desc, char * prompt) { |
---|
| 289 | if ( pe == NULL ) |
---|
| 290 | return -1; |
---|
| 291 | |
---|
| 292 | if ( pw == NULL ) |
---|
| 293 | return -1; |
---|
| 294 | |
---|
| 295 | if ( desc != NULL ) |
---|
| 296 | if ( roar_pinentry_set_desc(pe, desc) != 0 ) |
---|
| 297 | return -1; |
---|
| 298 | |
---|
| 299 | if ( prompt != NULL ) |
---|
| 300 | if ( roar_pinentry_set_prompt(pe, prompt) != 0 ) |
---|
| 301 | return -1; |
---|
| 302 | |
---|
[1235] | 303 | if ( roar_pinentry_req(pe, "GETPIN", NULL, NULL, pw) == -1 ) |
---|
| 304 | return -1; |
---|
| 305 | |
---|
| 306 | return 0; |
---|
[1234] | 307 | } |
---|
| 308 | |
---|
| 309 | int roar_pinentry_confirm (struct roar_pinentry * pe, char * desc, char * yes, char * no) { |
---|
| 310 | if ( pe == NULL ) |
---|
| 311 | return -1; |
---|
| 312 | |
---|
| 313 | if ( desc != NULL ) |
---|
| 314 | if ( roar_pinentry_set_desc(pe, desc) != 0 ) |
---|
| 315 | return -1; |
---|
| 316 | |
---|
| 317 | if ( yes != NULL ) |
---|
| 318 | if ( roar_pinentry_set_yes(pe, yes) != 0 ) |
---|
| 319 | return -1; |
---|
| 320 | |
---|
| 321 | if ( no != NULL ) |
---|
| 322 | if ( roar_pinentry_set_no(pe, no) != 0 ) |
---|
| 323 | return -1; |
---|
| 324 | |
---|
| 325 | return roar_pinentry_req(pe, "CONFIRM", NULL, NULL, NULL); |
---|
| 326 | } |
---|
| 327 | |
---|
[1232] | 328 | //ll |
---|