projects / vncterm.git / blame
| Commit | Line | Data |
|---|---|---|
| e6d0212c DM |
1 | /* |
| 2 | ||
| 3 | Copyright (C) 2007-2011 Proxmox Server Solutions GmbH | |
| 4 | ||
| 5 | Copyright: vzdump is under GNU GPL, the GNU General Public License. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; version 2 dated June, 1991. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. | |
| 20 | ||
| 21 | Author: Dietmar Maurer <dietmar@proxmox.com> | |
| 22 | ||
| 23 | */ | |
| 24 | ||
| 25 | #include <stdio.h> | |
| 26 | #include <stdlib.h> | |
| 27 | #include <sys/types.h> | |
| 28 | #include <sys/socket.h> | |
| 29 | #include <arpa/inet.h> | |
| 30 | #include <netdb.h> | |
| 31 | #include <rfb/rfb.h> | |
| 32 | #include <rfb/keysym.h> | |
| 33 | #include <pty.h> /* for openpty and forkpty */ | |
| 34 | #include <string.h> | |
| 35 | #include <errno.h> | |
| 36 | #include <sys/ioctl.h> | |
| 37 | #include <sys/wait.h> | |
| 38 | #include <signal.h> | |
| 39 | #include <locale.h> | |
| 40 | ||
| 41 | #include "vncterm.h" | |
| 42 | #include "glyphs.h" | |
| 43 | ||
| 44 | #include <gnutls/gnutls.h> | |
| 45 | #include <gnutls/x509.h> | |
| 46 | ||
| 47 | /* define this for debugging */ | |
| 48 | //#define DEBUG | |
| 49 | ||
| 50 | char *auth_path = "/"; | |
| 51 | char *auth_perm = "Sys.Console"; | |
| 52 | ||
| 53 | int use_x509 = 1; | |
| 54 | ||
| 55 | static char * | |
| 56 | urlencode(char *buf, const char *value) | |
| 57 | { | |
| 58 | static const char *hexchar = "0123456789abcdef"; | |
| 59 | char *p = buf; | |
| 60 | int i; | |
| 61 | int l = strlen(value); | |
| 62 | for (i = 0; i < l; i++) { | |
| 63 | char c = value[i]; | |
| 64 | if (('a' <= c && c <= 'z') || | |
| 65 | ('A' <= c && c <= 'Z') || | |
| 66 | ('0' <= c && c <= '9')) { | |
| 67 | *p++ = c; | |
| 68 | } else if (c == 32) { | |
| 69 | *p++ = '+'; | |
| 70 | } else { | |
| 71 | *p++ = '%'; | |
| 72 | *p++ = hexchar[c >> 4]; | |
| 73 | *p++ = hexchar[c & 15]; | |
| 74 | } | |
| 75 | } | |
| 76 | *p = 0; | |
| 77 | ||
| 78 | return p; | |
| 79 | } | |
| 80 | ||
| 81 | static int | |
| 82 | pve_auth_verify(const char *clientip, const char *username, const char *passwd) | |
| 83 | { | |
| 84 | struct sockaddr_in server; | |
| 85 | ||
| 86 | int sfd = socket(AF_INET, SOCK_STREAM, 0); | |
| 87 | if (sfd == -1) { | |
| 88 | perror("pve_auth_verify: socket failed"); | |
| 89 | return -1; | |
| 90 | } | |
| 91 | ||
| 92 | struct hostent *he; | |
| 93 | if ((he = gethostbyname("localhost")) == NULL) { | |
| 94 | fprintf(stderr, "pve_auth_verify: error resolving hostname\n"); | |
| 95 | goto err; | |
| 96 | } | |
| 97 | ||
| 98 | memcpy(&server.sin_addr, he->h_addr_list[0], he->h_length); | |
| 99 | server.sin_family = AF_INET; | |
| 100 | server.sin_port = htons(85); | |
| 101 | ||
| 102 | if (connect(sfd, (struct sockaddr *)&server, sizeof(server))) { | |
| 103 | perror("pve_auth_verify: error connecting to server"); | |
| 104 | goto err; | |
| 105 | } | |
| 106 | ||
| 107 | char buf[8192]; | |
| 108 | char form[8192]; | |
| 109 | ||
| 110 | char *p = form; | |
| 111 | p = urlencode(p, "username"); | |
| 112 | *p++ = '='; | |
| 113 | p = urlencode(p, username); | |
| 114 | ||
| 115 | *p++ = '&'; | |
| 116 | p = urlencode(p, "password"); | |
| 117 | *p++ = '='; | |
| 118 | p = urlencode(p, passwd); | |
| 119 | ||
| 120 | *p++ = '&'; | |
| 121 | p = urlencode(p, "path"); | |
| 122 | *p++ = '='; | |
| 123 | p = urlencode(p, auth_path); | |
| 124 | ||
| 125 | *p++ = '&'; | |
| 126 | p = urlencode(p, "privs"); | |
| 127 | *p++ = '='; | |
| 128 | p = urlencode(p, auth_perm); | |
| 129 | ||
| 130 | sprintf(buf, "POST /api2/json/access/ticket HTTP/1.1\n" | |
| 131 | "Host: localhost:85\n" | |
| 132 | "Connection: close\n" | |
| 133 | "PVEClientIP: %s\n" | |
| 134 | "Content-Type: application/x-www-form-urlencoded\n" | |
| 135 | "Content-Length: %zd\n\n%s\n", clientip, strlen(form), form); | |
| 136 | ssize_t len = strlen(buf); | |
| 137 | ssize_t sb = send(sfd, buf, len, 0); | |
| 138 | if (sb < 0) { | |
| 139 | perror("pve_auth_verify: send failed"); | |
| 140 | goto err; | |
| 141 | } | |
| 142 | if (sb != len) { | |
| 143 | fprintf(stderr, "pve_auth_verify: partial send error\n"); | |
| 144 | goto err; | |
| 145 | } | |
| 146 | ||
| 147 | len = recv(sfd, buf, sizeof(buf) - 1, 0); | |
| 148 | if (len < 0) { | |
| 149 | perror("pve_auth_verify: recv failed"); | |
| 150 | goto err; | |
| 151 | } | |
| 152 | ||
| 153 | buf[len] = 0; | |
| 154 | ||
| 155 | //printf("DATA:%s\n", buf); | |
| 156 | ||
| 157 | shutdown(sfd, SHUT_RDWR); | |
| 158 | ||
| 159 | return strncmp(buf, "HTTP/1.1 200 OK", 15); | |
| 160 | ||
| 161 | err: | |
| 162 | shutdown(sfd, SHUT_RDWR); | |
| 163 | return -1; | |
| 164 | } | |
| 165 | ||
| 166 | #ifdef DEBUG | |
| 167 | static void vnc_debug_gnutls_log(int level, const char* str) { | |
| 168 | fprintf(stderr, "%d %s", level, str); | |
| 169 | } | |
| 170 | #endif | |
| 171 | ||
| 172 | #define DH_BITS 1024 | |
| 173 | static gnutls_dh_params_t dh_params; | |
| 174 | ||
| 175 | typedef struct { | |
| 176 | gnutls_session_t session; | |
| 177 | } tls_client_t; | |
| 178 | ||
| 179 | static ssize_t | |
| 180 | vnc_tls_push( | |
| 181 | gnutls_transport_ptr_t transport, | |
| 182 | const void *data, | |
| 183 | size_t len) | |
| 184 | { | |
| 185 | rfbClientPtr cl = (rfbClientPtr)transport; | |
| 186 | int n; | |
| 187 | ||
| 188 | retry: | |
| 189 | n = send(cl->sock, data, len, 0); | |
| 190 | if (n < 0) { | |
| 191 | if (errno == EINTR) | |
| 192 | goto retry; | |
| 193 | return -1; | |
| 194 | } | |
| 195 | return n; | |
| 196 | } | |
| 197 | ||
| 198 | static ssize_t | |
| 199 | vnc_tls_pull( | |
| 200 | gnutls_transport_ptr_t transport, | |
| 201 | void *data, | |
| 202 | size_t len) | |
| 203 | { | |
| 204 | rfbClientPtr cl = (rfbClientPtr)transport; | |
| 205 | int n; | |
| 206 | ||
| 207 | retry: | |
| 208 | n = recv(cl->sock, data, len, 0); | |
| 209 | if (n < 0) { | |
| 210 | if (errno == EINTR) | |
| 211 | goto retry; | |
| 212 | return -1; | |
| 213 | } | |
| 214 | return n; | |
| 215 | } | |
| 216 | ||
| 217 | ssize_t vnc_tls_read(rfbClientPtr cl, void *buf, size_t count) | |
| 218 | { | |
| 219 | tls_client_t *sd = (tls_client_t *)cl->clientData; | |
| 220 | ||
| 221 | int ret = gnutls_read(sd->session, buf, count); | |
| 222 | if (ret < 0) { | |
| 223 | if (ret == GNUTLS_E_AGAIN) | |
| 224 | errno = EAGAIN; | |
| 225 | else | |
| 226 | errno = EIO; | |
| 227 | ret = -1; | |
| 228 | } | |
| 229 | ||
| 230 | return ret; | |
| 231 | } | |
| 232 | ssize_t vnc_tls_write(rfbClientPtr cl, void *buf, size_t count) | |
| 233 | { | |
| 234 | tls_client_t *sd = (tls_client_t *)cl->clientData; | |
| 235 | ||
| 236 | int ret = gnutls_write(sd->session, buf, count); | |
| 237 | if (ret < 0) { | |
| 238 | if (ret == GNUTLS_E_AGAIN) | |
| 239 | errno = EAGAIN; | |
| 240 | else | |
| 241 | errno = EIO; | |
| 242 | ret = -1; | |
| 243 | } | |
| 244 | ||
| 245 | return ret; | |
| 246 | } | |
| 247 | ||
| 248 | static gnutls_anon_server_credentials | |
| 249 | tls_initialize_anon_cred(void) | |
| 250 | { | |
| 251 | gnutls_anon_server_credentials anon_cred; | |
| 252 | int ret; | |
| 253 | ||
| 254 | if ((ret = gnutls_anon_allocate_server_credentials(&anon_cred)) < 0) { | |
| 255 | rfbLog("can't allocate credentials: %s\n", gnutls_strerror(ret)); | |
| 256 | return NULL; | |
| 257 | } | |
| 258 | ||
| 259 | gnutls_anon_set_server_dh_params(anon_cred, dh_params); | |
| 260 | ||
| 261 | return anon_cred; | |
| 262 | } | |
| 263 | ||
| 264 | static gnutls_certificate_credentials_t | |
| 265 | tls_initialize_x509_cred(void) | |
| 266 | { | |
| 267 | gnutls_certificate_credentials_t x509_cred; | |
| 268 | int ret; | |
| 269 | ||
| 270 | /* Paths to x509 certs/keys */ | |
| 271 | char *x509cacert = "/etc/pve/pve-root-ca.pem"; | |
| 272 | char *x509cert = "/etc/pve/local/pve-ssl.pem"; | |
| 273 | char *x509key = "/etc/pve/local/pve-ssl.key"; | |
| 274 | ||
| 275 | if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) { | |
| 276 | rfbLog("can't allocate credentials: %s\n", gnutls_strerror(ret)); | |
| 277 | return NULL; | |
| 278 | } | |
| 279 | ||
| 280 | if ((ret = gnutls_certificate_set_x509_trust_file | |
| 281 | (x509_cred, x509cacert, GNUTLS_X509_FMT_PEM)) < 0) { | |
| 282 | rfbLog("can't load CA certificate: %s\n", gnutls_strerror(ret)); | |
| 283 | gnutls_certificate_free_credentials(x509_cred); | |
| 284 | return NULL; | |
| 285 | } | |
| 286 | ||
| 287 | if ((ret = gnutls_certificate_set_x509_key_file | |
| 288 | (x509_cred, x509cert, x509key, GNUTLS_X509_FMT_PEM)) < 0) { | |
| 289 | rfbLog("can't load certificate & key: %s\n", gnutls_strerror(ret)); | |
| 290 | gnutls_certificate_free_credentials(x509_cred); | |
| 291 | return NULL; | |
| 292 | } | |
| 293 | ||
| 294 | gnutls_certificate_set_dh_params (x509_cred, dh_params); | |
| 295 | ||
| 296 | return x509_cred; | |
| 297 | } | |
| 298 | ||
| 299 | /* rfb tls security handler */ | |
| 300 | ||
| 301 | #define rfbSecTypeVencrypt 19 | |
| 302 | #define rfbVencryptTlsPlain 259 | |
| 303 | #define rfbVencryptX509Plain 262 | |
| 304 | ||
| 305 | void rfbEncodeU32(char *buf, uint32_t value) | |
| 306 | { | |
| 307 | buf[0] = (value >> 24) & 0xFF; | |
| 308 | buf[1] = (value >> 16) & 0xFF; | |
| 309 | buf[2] = (value >> 8) & 0xFF; | |
| 310 | buf[3] = value & 0xFF; | |
| 311 | } | |
| 312 | ||
| 313 | uint32_t rfbDecodeU32(char *data, size_t offset) | |
| 314 | { | |
| 315 | return ((data[offset] << 24) | (data[offset + 1] << 16) | | |
| 316 | (data[offset + 2] << 8) | data[offset + 3]); | |
| 317 | } | |
| 318 | ||
| 319 | static void | |
| 320 | vencrypt_subauth_plain(rfbClientPtr cl) | |
| 321 | { | |
| 322 | const char *err = NULL; | |
| 323 | char buf[4096]; | |
| 324 | int n; | |
| 325 | ||
| 326 | char clientip[INET6_ADDRSTRLEN]; | |
| 327 | clientip[0] = 0; | |
| 328 | struct sockaddr_in client; | |
| 329 | socklen_t addrlen = sizeof(client); | |
| 330 | if (getpeername(cl->sock, &client, &addrlen) == 0) { | |
| 331 | inet_ntop(client.sin_family, &client.sin_addr, | |
| 332 | clientip, sizeof(clientip)); | |
| 333 | } | |
| 334 | ||
| 335 | if ((n = rfbReadExact(cl, buf, 8)) <= 0) { | |
| 336 | err = n ? "read failed" : "client gone"; | |
| 337 | goto err; | |
| 338 | } | |
| 339 | ||
| 340 | uint32_t ulen = rfbDecodeU32(buf, 0); | |
| 341 | uint32_t pwlen = rfbDecodeU32(buf, 4); | |
| 342 | ||
| 343 | if (!ulen) { | |
| 344 | err = "No User name."; | |
| 345 | goto err; | |
| 346 | } | |
| 347 | if (ulen >= 255) { | |
| 348 | err = "User name too long."; | |
| 349 | goto err; | |
| 350 | } | |
| 351 | if (!pwlen) { | |
| 352 | err = "Password too short"; | |
| 353 | goto err; | |
| 354 | } | |
| 355 | if (pwlen >= 511) { | |
| 356 | err = "Password too long."; | |
| 357 | goto err; | |
| 358 | } | |
| 359 | ||
| 360 | if ((n = rfbReadExact(cl, buf, ulen)) <= 0) { | |
| 361 | err = n ? "read failed" : "client gone"; | |
| 362 | goto err; | |
| 363 | } | |
| 364 | buf[ulen] = 0; | |
| 365 | char *username = buf; | |
| 366 | char *passwd = buf + ulen + 1; | |
| 367 | if ((n = rfbReadExact(cl, passwd, pwlen)) <= 0) { | |
| 368 | err = n ? "read failed" : "client gone"; | |
| 369 | goto err; | |
| 370 | } | |
| 371 | passwd[pwlen] = 0; | |
| 372 | ||
| 373 | rfbLog("VencryptPlain: username: %s pw: %s\n", username, passwd); | |
| 374 | ||
| 375 | if (pve_auth_verify(clientip, username, passwd) == 0) { | |
| 376 | rfbEncodeU32(buf, 0); /* Accept auth completion */ | |
| 377 | rfbWriteExact(cl, buf, 4); | |
| 378 | cl->state = RFB_INITIALISATION; | |
| 379 | return; | |
| 380 | } | |
| 381 | ||
| 382 | err = "Authentication failed"; | |
| 383 | err: | |
| 384 | rfbLog("VencryptPlain: %s\n", err ? err : "no reason specified"); | |
| 385 | if (err) { | |
| 386 | rfbEncodeU32(buf, 1); /* Reject auth */ | |
| 387 | rfbWriteExact(cl, buf, 4); | |
| 388 | if (cl->protocolMinorVersion >= 8) { | |
| 389 | int elen = strlen(err); | |
| 390 | rfbEncodeU32(buf, elen); | |
| 391 | rfbWriteExact(cl, buf, 4); | |
| 392 | rfbWriteExact(cl, err, elen); | |
| 393 | } | |
| 394 | } | |
| 395 | rfbCloseClient(cl); | |
| 396 | return; | |
| 397 | } | |
| 398 | ||
| 399 | static void | |
| 400 | rfbVncAuthVencrypt(rfbClientPtr cl) | |
| 401 | { | |
| 402 | int ret; | |
| 403 | ||
| 404 | /* Send VeNCrypt version 0.2 */ | |
| 405 | char buf[256]; | |
| 406 | buf[0] = 0; | |
| 407 | buf[1] = 2; | |
| 408 | ||
| 409 | if (rfbWriteExact(cl, buf, 2) < 0) { | |
| 410 | rfbLogPerror("rfbVncAuthVencrypt: write"); | |
| 411 | rfbCloseClient(cl); | |
| 412 | return; | |
| 413 | } | |
| 414 | ||
| 415 | int n = rfbReadExact(cl, buf, 2); | |
| 416 | if (n <= 0) { | |
| 417 | if (n == 0) | |
| 418 | rfbLog("rfbVncAuthVencrypt: client gone\n"); | |
| 419 | else | |
| 420 | rfbLogPerror("rfbVncAuthVencrypt: read"); | |
| 421 | rfbCloseClient(cl); | |
| 422 | return; | |
| 423 | } | |
| 424 | ||
| 425 | if (buf[0] != 0 || buf[1] != 2) { | |
| 426 | rfbLog("Unsupported VeNCrypt protocol %d.%d\n", | |
| 427 | (int)buf[0], (int)buf[1]); | |
| 428 | buf[0] = 1; /* Reject version */ | |
| 429 | rfbWriteExact(cl, buf, 1); | |
| 430 | rfbCloseClient(cl); | |
| 431 | return; | |
| 432 | } | |
| 433 | ||
| 434 | /* Sending allowed auth */ | |
| 435 | int req_auth = use_x509 ? rfbVencryptX509Plain : rfbVencryptTlsPlain; | |
| 436 | ||
| 437 | buf[0] = 0; /* Accept version */ | |
| 438 | buf[1] = 1; /* number of sub auths */ | |
| 439 | rfbEncodeU32(buf+2, req_auth); | |
| 440 | if (rfbWriteExact(cl, buf, 6) < 0) { | |
| 441 | rfbLogPerror("rfbVncAuthVencrypt: write"); | |
| 442 | rfbCloseClient(cl); | |
| 443 | return; | |
| 444 | } | |
| 445 | ||
| 446 | n = rfbReadExact(cl, buf, 4); | |
| 447 | if (n <= 0) { | |
| 448 | if (n == 0) | |
| 449 | rfbLog("rfbVncAuthVencrypt: client gone\n"); | |
| 450 | else | |
| 451 | rfbLogPerror("rfbVncAuthVencrypt: read"); | |
| 452 | rfbCloseClient(cl); | |
| 453 | return; | |
| 454 | } | |
| 455 | ||
| 456 | int auth = rfbDecodeU32(buf, 0); | |
| 457 | if (auth != req_auth) { | |
| 458 | buf[0] = 1; /* Reject auth*/ | |
| 459 | rfbWriteExact(cl, buf, 1); | |
| 460 | rfbCloseClient(cl); | |
| 461 | return; | |
| 462 | } | |
| 463 | ||
| 464 | buf[0] = 1; /* Accept auth */ | |
| 465 | if (rfbWriteExact(cl, buf, 1) < 0) { | |
| 466 | rfbLogPerror("rfbVncAuthVencrypt: write"); | |
| 467 | rfbCloseClient(cl); | |
| 468 | return; | |
| 469 | } | |
| 470 | ||
| 471 | tls_client_t *sd = calloc(1, sizeof(tls_client_t)); | |
| 472 | ||
| 473 | if (sd->session == NULL) { | |
| 474 | if (gnutls_init(&sd->session, GNUTLS_SERVER) < 0) { | |
| 475 | rfbLog("gnutls_init failed\n"); | |
| 476 | rfbCloseClient(cl); | |
| 477 | return; | |
| 478 | ||
| 479 | } | |
| 480 | ||
| 481 | if ((ret = gnutls_set_default_priority(sd->session)) < 0) { | |
| 482 | rfbLog("gnutls_set_default_priority failed: %s\n", gnutls_strerror(ret)); | |
| 483 | sd->session = NULL; | |
| 484 | rfbCloseClient(cl); | |
| 485 | return; | |
| 486 | } | |
| 487 | ||
| 488 | /* optimize for speed */ | |
| 489 | static const int cipher_priority_performance[] = { | |
| 490 | GNUTLS_CIPHER_ARCFOUR_128, | |
| 491 | GNUTLS_CIPHER_AES_128_CBC, | |
| 492 | GNUTLS_CIPHER_3DES_CBC, 0 | |
| 493 | }; | |
| 494 | ||
| 495 | if ((ret = gnutls_cipher_set_priority(sd->session, cipher_priority_performance)) < 0) { | |
| 496 | rfbLog("gnutls_cipher_set_priority failed: %s\n", gnutls_strerror(ret)); | |
| 497 | sd->session = NULL; | |
| 498 | rfbCloseClient(cl); | |
| 499 | return; | |
| 500 | } | |
| 501 | ||
| 502 | static const int kx_anon[] = {GNUTLS_KX_ANON_DH, 0}; | |
| 503 | static const int kx_x509[] = {GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0}; | |
| 504 | if ((ret = gnutls_kx_set_priority(sd->session, use_x509 ? kx_x509 : kx_anon)) < 0) { | |
| 505 | rfbLog("gnutls_kx_set_priority failed: %s\n", gnutls_strerror(ret)); | |
| 506 | sd->session = NULL; | |
| 507 | rfbCloseClient(cl); | |
| 508 | return; | |
| 509 | } | |
| 510 | ||
| 511 | static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 }; | |
| 512 | if ((ret = gnutls_certificate_type_set_priority(sd->session, cert_type_priority)) < 0) { | |
| 513 | rfbLog("gnutls_certificate_type_set_priority failed: %s\n", | |
| 514 | gnutls_strerror(ret)); | |
| 515 | sd->session = NULL; | |
| 516 | rfbCloseClient(cl); | |
| 517 | return; | |
| 518 | } | |
| 519 | ||
| 520 | static const int protocol_priority[]= { GNUTLS_TLS1_1, GNUTLS_TLS1_0, GNUTLS_SSL3, 0 }; | |
| 521 | if ((ret = gnutls_protocol_set_priority(sd->session, protocol_priority)) < 0) { | |
| 522 | rfbLog("gnutls_protocol_set_priority failed: %s\n", | |
| 523 | gnutls_strerror(ret)); | |
| 524 | sd->session = NULL; | |
| 525 | rfbCloseClient(cl); | |
| 526 | return; | |
| 527 | } | |
| 528 | ||
| 529 | if (use_x509) { | |
| 530 | gnutls_certificate_server_credentials x509_cred; | |
| 531 | ||
| 532 | if (!(x509_cred = tls_initialize_x509_cred())) { | |
| 533 | sd->session = NULL; | |
| 534 | rfbCloseClient(cl); | |
| 535 | return; | |
| 536 | } | |
| 537 | ||
| 538 | if (gnutls_credentials_set(sd->session, GNUTLS_CRD_CERTIFICATE, x509_cred) < 0) { | |
| 539 | sd->session = NULL; | |
| 540 | gnutls_certificate_free_credentials(x509_cred); | |
| 541 | rfbCloseClient(cl); | |
| 542 | return; | |
| 543 | } | |
| 544 | ||
| 545 | } else { | |
| 546 | gnutls_anon_server_credentials anon_cred; | |
| 547 | ||
| 548 | if (!(anon_cred = tls_initialize_anon_cred())) { | |
| 549 | sd->session = NULL; | |
| 550 | rfbCloseClient(cl); | |
| 551 | return; | |
| 552 | } | |
| 553 | ||
| 554 | if ((ret = gnutls_credentials_set(sd->session, GNUTLS_CRD_ANON, anon_cred)) < 0) { | |
| 555 | rfbLog("gnutls_credentials_set failed: %s\n", gnutls_strerror(ret)); | |
| 556 | gnutls_anon_free_server_credentials(anon_cred); | |
| 557 | sd->session = NULL; | |
| 558 | rfbCloseClient(cl); | |
| 559 | return; | |
| 560 | } | |
| 561 | } | |
| 562 | ||
| 563 | gnutls_transport_set_ptr(sd->session, (gnutls_transport_ptr_t)cl); | |
| 564 | gnutls_transport_set_push_function(sd->session, vnc_tls_push); | |
| 565 | gnutls_transport_set_pull_function(sd->session, vnc_tls_pull); | |
| 566 | } | |
| 567 | ||
| 568 | ||
| 569 | retry: | |
| 570 | if ((ret = gnutls_handshake(sd->session)) < 0) { | |
| 571 | if (!gnutls_error_is_fatal(ret)) { | |
| 572 | usleep(100000); | |
| 573 | goto retry; | |
| 574 | } | |
| 575 | rfbLog("rfbVncAuthVencrypt: handshake failed\n"); | |
| 576 | rfbCloseClient(cl); | |
| 577 | return; | |
| 578 | } | |
| 579 | ||
| 580 | /* set up TLS read/write hooks */ | |
| 581 | cl->clientData = sd; | |
| 582 | cl->sock_read_fn = &vnc_tls_read; | |
| 583 | cl->sock_write_fn = &vnc_tls_write; | |
| 584 | ||
| 585 | vencrypt_subauth_plain(cl); | |
| 586 | } | |
| 587 | ||
| 588 | static rfbSecurityHandler VncSecurityHandlerVencrypt = { | |
| 589 | rfbSecTypeVencrypt, | |
| 590 | rfbVncAuthVencrypt, | |
| 591 | NULL | |
| 592 | }; | |
| 593 | ||
| 594 | #define TERM "xterm" | |
| 595 | ||
| 596 | #define TERMIDCODE "[?1;2c" // vt100 ID | |
| 597 | ||
| 598 | #define CHECK_ARGC(argc,argv,i) if (i >= argc-1) { \ | |
| 599 | fprintf (stderr, "ERROR: not enough arguments for: %s\n", argv[i]); \ | |
| 600 | print_usage (NULL); \ | |
| 601 | exit(1); \ | |
| 602 | } | |
| 603 | ||
| 604 | /* these colours are from linux kernel drivers/char/vt.c */ | |
| 605 | ||
| 606 | static int idle_timeout = 1; | |
| 607 | ||
| 608 | unsigned char color_table[] = { 0, 4, 2, 6, 1, 5, 3, 7, | |
| 609 | 8,12,10,14, 9,13,11,15 }; | |
| 610 | ||
| 611 | /* the default colour table, for VGA+ colour systems */ | |
| 612 | int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa, | |
| 613 | 0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff}; | |
| 614 | int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa, | |
| 615 | 0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff}; | |
| 616 | int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa, | |
| 617 | 0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff}; | |
| 618 | ||
| 619 | static void | |
| 620 | print_usage (const char *msg) | |
| 621 | { | |
| 622 | if (msg) { fprintf (stderr, "ERROR: %s\n", msg); } | |
| 623 | fprintf (stderr, "USAGE: vncterm [vncopts] [-c command [args]]\n"); | |
| 624 | } | |
| 625 | ||
| 626 | /* Convert UCS2 to UTF8 sequence, trailing zero */ | |
| 627 | static int | |
| 628 | ucs2_to_utf8 (unicode c, char *out) | |
| 629 | { | |
| 630 | if (c < 0x80) { | |
| 631 | out[0] = c; // 0******* | |
| 632 | out[1] = 0; | |
| 633 | return 1; | |
| 634 | } else if (c < 0x800) { | |
| 635 | out[0] = 0xc0 | (c >> 6); // 110***** 10****** | |
| 636 | out[1] = 0x80 | (c & 0x3f); | |
| 637 | out[2] = 0; | |
| 638 | return 2; | |
| 639 | } else { | |
| 640 | out[0] = 0xe0 | (c >> 12); // 1110**** 10****** 10****** | |
| 641 | out[1] = 0x80 | ((c >> 6) & 0x3f); | |
| 642 | out[2] = 0x80 | (c & 0x3f); | |
| 643 | out[3] = 0; | |
| 644 | return 3; | |
| 645 | } | |
| 646 | ||
| 647 | return 0; | |
| 648 | } | |
| 649 | ||
| 650 | static void | |
| 651 | rfb_draw_char (rfbScreenInfoPtr rfbScreen, int x, int y, | |
| 652 | unsigned short c, rfbPixel col) | |
| 653 | { | |
| 654 | if (c > vt_font_size) { | |
| 655 | rfbLog ("undefined font glyph %d\n", c); | |
| 656 | return; | |
| 657 | } | |
| 658 | ||
| 659 | int i,j; | |
| 660 | unsigned char *data= vt_font_data + c*16; | |
| 661 | unsigned char d=*data; | |
| 662 | int rowstride=rfbScreen->paddedWidthInBytes; | |
| 663 | char *colour=(char*)&col; | |
| 664 | ||
| 665 | for(j = 0; j < 16; j++) { | |
| 666 | for(i = 0; i < 8; i++) { | |
| 667 | if ((i&7) == 0) { | |
| 668 | d=*data; | |
| 669 | data++; | |
| 670 | } | |
| 671 | if (d&0x80) | |
| 672 | *(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)) = *colour; | |
| 673 | d<<=1; | |
| 674 | } | |
| 675 | } | |
| 676 | } | |
| 677 | ||
| 678 | static void | |
| 679 | draw_char_at (vncTerm *vt, int x, int y, unicode ch, TextAttributes attrib) | |
| 680 | { | |
| 681 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
| 682 | ||
| 683 | int rx = x*8; | |
| 684 | int ry = y*16; | |
| 685 | int rxe = x*8+8; | |
| 686 | int rye = y*16+16; | |
| 687 | ||
| 688 | int fg, bg; | |
| 689 | ||
| 690 | if (attrib.invers) { | |
| 691 | bg = attrib.fgcol; | |
| 692 | fg = attrib.bgcol; | |
| 693 | } else { | |
| 694 | bg = attrib.bgcol; | |
| 695 | fg = attrib.fgcol; | |
| 696 | } | |
| 697 | ||
| 698 | int ec = vt_fontmap[ch]; | |
| 699 | ||
| 700 | rfbFillRect (vt->screen, rx, ry, rxe, rye, bg); | |
| 701 | ||
| 702 | if (attrib.bold) { | |
| 703 | fg += 8; | |
| 704 | } | |
| 705 | ||
| 706 | // unsuported attributes = (attrib.blink || attrib.unvisible) | |
| 707 | ||
| 708 | rfb_draw_char (vt->screen, rx, ry, ec, fg); | |
| 709 | ||
| 710 | if (attrib.uline) { | |
| 711 | rfbDrawLine (vt->screen, rx, ry + 14, rxe, ry + 14, fg); | |
| 712 | } | |
| 713 | ||
| 714 | rfbMarkRectAsModified (vt->screen, rx, ry, rxe, rye); | |
| 715 | ||
| 716 | } | |
| 717 | ||
| 718 | static void | |
| 719 | vncterm_update_xy (vncTerm *vt, int x, int y) | |
| 720 | { | |
| 721 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
| 722 | ||
| 723 | int y1 = (vt->y_base + y) % vt->total_height; | |
| 724 | int y2 = y1 - vt->y_displ; | |
| 725 | if (y2 < 0) { | |
| 726 | y2 += vt->total_height; | |
| 727 | } | |
| 728 | if (y2 < vt->height) { | |
| 729 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
| 730 | draw_char_at (vt, x, y2, c->ch, c->attrib); | |
| 731 | } | |
| 732 | } | |
| 733 | ||
| 734 | static void | |
| 735 | vncterm_clear_xy (vncTerm *vt, int x, int y) | |
| 736 | { | |
| 737 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
| 738 | ||
| 739 | int y1 = (vt->y_base + y) % vt->total_height; | |
| 740 | int y2 = y1 - vt->y_displ; | |
| 741 | if (y2 < 0) { | |
| 742 | y2 += vt->total_height; | |
| 743 | } | |
| 744 | if (y2 < vt->height) { | |
| 745 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
| 746 | c->ch = ' '; | |
| 747 | c->attrib = vt->default_attrib; | |
| 748 | c->attrib.fgcol = vt->cur_attrib.fgcol; | |
| 749 | c->attrib.bgcol = vt->cur_attrib.bgcol; | |
| 750 | ||
| 751 | draw_char_at (vt, x, y, c->ch, c->attrib); | |
| 752 | } | |
| 753 | } | |
| 754 | ||
| 755 | static void | |
| 756 | vncterm_show_cursor (vncTerm *vt, int show) | |
| 757 | { | |
| 758 | int x = vt->cx; | |
| 759 | if (x >= vt->width) { | |
| 760 | x = vt->width - 1; | |
| 761 | } | |
| 762 | ||
| 763 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
| 764 | int y = y1 - vt->y_displ; | |
| 765 | if (y < 0) { | |
| 766 | y += vt->total_height; | |
| 767 | } | |
| 768 | ||
| 769 | if (y < vt->height) { | |
| 770 | ||
| 771 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
| 772 | ||
| 773 | if (show) { | |
| 774 | TextAttributes attrib = vt->default_attrib; | |
| 775 | attrib.invers = !(attrib.invers); /* invert fg and bg */ | |
| 776 | draw_char_at (vt, x, y, c->ch, attrib); | |
| 777 | } else { | |
| 778 | draw_char_at (vt, x, y, c->ch, c->attrib); | |
| 779 | } | |
| 780 | } | |
| 781 | } | |
| 782 | ||
| 783 | static void | |
| 784 | vncterm_refresh (vncTerm *vt) | |
| 785 | { | |
| 786 | int x, y, y1; | |
| 787 | ||
| 788 | rfbFillRect (vt->screen, 0, 0, vt->maxx, vt->maxy, vt->default_attrib.bgcol); | |
| 789 | ||
| 790 | y1 = vt->y_displ; | |
| 791 | for(y = 0; y < vt->height; y++) { | |
| 792 | TextCell *c = vt->cells + y1 * vt->width; | |
| 793 | for(x = 0; x < vt->width; x++) { | |
| 794 | draw_char_at (vt, x, y, c->ch, c->attrib); | |
| 795 | c++; | |
| 796 | } | |
| 797 | if (++y1 == vt->total_height) | |
| 798 | y1 = 0; | |
| 799 | } | |
| 800 | rfbMarkRectAsModified (vt->screen, 0, 0, vt->maxx, vt->maxy); | |
| 801 | ||
| 802 | vncterm_show_cursor (vt, 1); | |
| 803 | } | |
| 804 | ||
| 805 | static void | |
| 806 | vncterm_scroll_down (vncTerm *vt, int top, int bottom, int lines) | |
| 807 | { | |
| 808 | if ((top + lines) >= bottom) { | |
| 809 | lines = bottom - top -1; | |
| 810 | } | |
| 811 | ||
| 812 | if (top < 0 || bottom > vt->height || top >= bottom || lines < 1) { | |
| 813 | return; | |
| 814 | } | |
| 815 | ||
| 816 | int h = lines * 16; | |
| 817 | int y0 = top*16; | |
| 818 | int y1 = y0 + h; | |
| 819 | int y2 = bottom*16; | |
| 820 | int rowstride = vt->screen->paddedWidthInBytes; | |
| 821 | int rows = (bottom - top - lines)*16; | |
| 822 | ||
| 823 | char *in = vt->screen->frameBuffer+y0*rowstride; | |
| 824 | char *out = vt->screen->frameBuffer+y1*rowstride; | |
| 825 | memmove(out,in, rowstride*rows); | |
| 826 | ||
| 827 | memset(vt->screen->frameBuffer+y0*rowstride, 0, h*rowstride); | |
| 828 | rfbMarkRectAsModified (vt->screen, 0, y0, vt->screen->width, y2); | |
| 829 | ||
| 830 | int i; | |
| 831 | for(i = bottom - top - lines - 1; i >= 0; i--) { | |
| 832 | int src = ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
| 833 | int dst = ((vt->y_base + top + lines + i) % vt->total_height)*vt->width; | |
| 834 | ||
| 835 | memmove(vt->cells + dst, vt->cells + src, vt->width*sizeof (TextCell)); | |
| 836 | } | |
| 837 | ||
| 838 | for (i = 0; i < lines; i++) { | |
| 839 | int j; | |
| 840 | TextCell *c = vt->cells + ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
| 841 | for(j = 0; j < vt->width; j++) { | |
| 842 | c->attrib = vt->default_attrib; | |
| 843 | c->ch = ' '; | |
| 844 | c++; | |
| 845 | } | |
| 846 | } | |
| 847 | } | |
| 848 | ||
| 849 | static void | |
| 850 | vncterm_scroll_up (vncTerm *vt, int top, int bottom, int lines, int moveattr) | |
| 851 | { | |
| 852 | if ((top + lines) >= bottom) { | |
| 853 | lines = bottom - top - 1; | |
| 854 | } | |
| 855 | ||
| 856 | if (top < 0 || bottom > vt->height || top >= bottom || lines < 1) { | |
| 857 | return; | |
| 858 | } | |
| 859 | ||
| 860 | int h = lines * 16; | |
| 861 | int y0 = top*16; | |
| 862 | int y1 = (top + lines)*16; | |
| 863 | int y2 = bottom*16; | |
| 864 | int rowstride = vt->screen->paddedWidthInBytes; | |
| 865 | int rows = (bottom - top - lines)*16; | |
| 866 | ||
| 867 | char *in = vt->screen->frameBuffer+y1*rowstride; | |
| 868 | char *out = vt->screen->frameBuffer+y0*rowstride; | |
| 869 | memmove(out,in, rowstride*rows); | |
| 870 | ||
| 871 | memset(vt->screen->frameBuffer+(y2-h)*rowstride, 0, h*rowstride); | |
| 872 | ||
| 873 | rfbMarkRectAsModified (vt->screen, 0, y0, vt->screen->width, y2); | |
| 874 | ||
| 875 | if (!moveattr) return; | |
| 876 | ||
| 877 | // move attributes | |
| 878 | ||
| 879 | int i; | |
| 880 | for(i = 0; i < (bottom - top - lines); i++) { | |
| 881 | int dst = ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
| 882 | int src = ((vt->y_base + top + lines + i) % vt->total_height)*vt->width; | |
| 883 | ||
| 884 | memmove(vt->cells + dst, vt->cells + src, vt->width*sizeof (TextCell)); | |
| 885 | } | |
| 886 | ||
| 887 | for (i = 1; i <= lines; i++) { | |
| 888 | int j; | |
| 889 | TextCell *c = vt->cells + ((vt->y_base + bottom - i) % vt->total_height)*vt->width; | |
| 890 | for(j = 0; j < vt->width; j++) { | |
| 891 | c->attrib = vt->default_attrib; | |
| 892 | c->ch = ' '; | |
| 893 | c++; | |
| 894 | } | |
| 895 | } | |
| 896 | } | |
| 897 | ||
| 898 | static void | |
| 899 | vncterm_virtual_scroll (vncTerm *vt, int lines) | |
| 900 | { | |
| 901 | if (vt->altbuf || lines == 0) return; | |
| 902 | ||
| 903 | if (lines < 0) { | |
| 904 | lines = -lines; | |
| 905 | int i = vt->scroll_height; | |
| 906 | if (i > vt->total_height - vt->height) | |
| 907 | i = vt->total_height - vt->height; | |
| 908 | int y1 = vt->y_base - i; | |
| 909 | if (y1 < 0) | |
| 910 | y1 += vt->total_height; | |
| 911 | for(i = 0; i < lines; i++) { | |
| 912 | if (vt->y_displ == y1) break; | |
| 913 | if (--vt->y_displ < 0) { | |
| 914 | vt->y_displ = vt->total_height - 1; | |
| 915 | } | |
| 916 | } | |
| 917 | } else { | |
| 918 | int i; | |
| 919 | for(i = 0; i < lines; i++) { | |
| 920 | if (vt->y_displ == vt->y_base) break; | |
| 921 | if (++vt->y_displ == vt->total_height) { | |
| 922 | vt->y_displ = 0; | |
| 923 | } | |
| 924 | } | |
| 925 | ||
| 926 | } | |
| 927 | ||
| 928 | vncterm_refresh (vt); | |
| 929 | } | |
| 930 | static void | |
| 931 | vncterm_respond_esc (vncTerm *vt, const char *esc) | |
| 932 | { | |
| 933 | int len = strlen (esc); | |
| 934 | int i; | |
| 935 | ||
| 936 | if (vt->ibuf_count < (IBUFSIZE - 1 - len)) { | |
| 937 | vt->ibuf[vt->ibuf_count++] = 27; | |
| 938 | for (i = 0; i < len; i++) { | |
| 939 | vt->ibuf[vt->ibuf_count++] = esc[i]; | |
| 940 | } | |
| 941 | } | |
| 942 | } | |
| 943 | ||
| 944 | static void | |
| 945 | vncterm_put_lf (vncTerm *vt) | |
| 946 | { | |
| 947 | if (vt->cy + 1 == vt->region_bottom) { | |
| 948 | ||
| 949 | if (vt->altbuf || vt->region_top != 0 || vt->region_bottom != vt->height) { | |
| 950 | vncterm_scroll_up (vt, vt->region_top, vt->region_bottom, 1, 1); | |
| 951 | return; | |
| 952 | } | |
| 953 | ||
| 954 | if (vt->y_displ == vt->y_base) { | |
| 955 | vncterm_scroll_up (vt, vt->region_top, vt->region_bottom, 1, 0); | |
| 956 | } | |
| 957 | ||
| 958 | if (vt->y_displ == vt->y_base) { | |
| 959 | if (++vt->y_displ == vt->total_height) { | |
| 960 | vt->y_displ = 0; | |
| 961 | } | |
| 962 | } | |
| 963 | ||
| 964 | if (++vt->y_base == vt->total_height) { | |
| 965 | vt->y_base = 0; | |
| 966 | } | |
| 967 | ||
| 968 | if (vt->scroll_height < vt->total_height) { | |
| 969 | vt->scroll_height++; | |
| 970 | } | |
| 971 | ||
| 972 | int y1 = (vt->y_base + vt->height - 1) % vt->total_height; | |
| 973 | TextCell *c = &vt->cells[y1 * vt->width]; | |
| 974 | int x; | |
| 975 | for (x = 0; x < vt->width; x++) { | |
| 976 | c->ch = ' '; | |
| 977 | c->attrib = vt->default_attrib; | |
| 978 | c++; | |
| 979 | } | |
| 980 | ||
| 981 | // fprintf (stderr, "BASE: %d DISPLAY %d\n", vt->y_base, vt->y_displ); | |
| 982 | ||
| 983 | } else if (vt->cy < vt->height - 1) { | |
| 984 | vt->cy += 1; | |
| 985 | } | |
| 986 | } | |
| 987 | ||
| 988 | ||
| 989 | static void | |
| 990 | vncterm_csi_m (vncTerm *vt) | |
| 991 | { | |
| 992 | int i; | |
| 993 | ||
| 994 | for (i = 0; i < vt->esc_count; i++) { | |
| 995 | switch (vt->esc_buf[i]) { | |
| 996 | case 0: /* reset all console attributes to default */ | |
| 997 | vt->cur_attrib = vt->default_attrib; | |
| 998 | break; | |
| 999 | case 1: | |
| 1000 | vt->cur_attrib.bold = 1; | |
| 1001 | break; | |
| 1002 | case 4: | |
| 1003 | vt->cur_attrib.uline = 1; | |
| 1004 | break; | |
| 1005 | case 5: | |
| 1006 | vt->cur_attrib.blink = 1; | |
| 1007 | break; | |
| 1008 | case 7: | |
| 1009 | vt->cur_attrib.invers = 1; | |
| 1010 | break; | |
| 1011 | case 8: | |
| 1012 | vt->cur_attrib.unvisible = 1; | |
| 1013 | break; | |
| 1014 | case 10: | |
| 1015 | vt->cur_enc = LAT1_MAP; | |
| 1016 | // fixme: dispaly controls = 0 ? | |
| 1017 | // fixme: toggle meta = 0 ? | |
| 1018 | break; | |
| 1019 | case 11: | |
| 1020 | vt->cur_enc = IBMPC_MAP; | |
| 1021 | // fixme: dispaly controls = 1 ? | |
| 1022 | // fixme: toggle meta = 0 ? | |
| 1023 | break; | |
| 1024 | case 12: | |
| 1025 | vt->cur_enc = IBMPC_MAP; | |
| 1026 | // fixme: dispaly controls = 1 ? | |
| 1027 | // fixme: toggle meta = 1 ? | |
| 1028 | break; | |
| 1029 | case 22: | |
| 1030 | vt->cur_attrib.bold = 0; | |
| 1031 | break; | |
| 1032 | case 24: | |
| 1033 | vt->cur_attrib.uline = 0; | |
| 1034 | break; | |
| 1035 | case 25: | |
| 1036 | vt->cur_attrib.blink = 0; | |
| 1037 | break; | |
| 1038 | case 27: | |
| 1039 | vt->cur_attrib.invers = 0; | |
| 1040 | break; | |
| 1041 | case 28: | |
| 1042 | vt->cur_attrib.unvisible = 0; | |
| 1043 | break; | |
| 1044 | case 30: | |
| 1045 | case 31: | |
| 1046 | case 32: | |
| 1047 | case 33: | |
| 1048 | case 34: | |
| 1049 | case 35: | |
| 1050 | case 36: | |
| 1051 | case 37: | |
| 1052 | /* set foreground color */ | |
| 1053 | vt->cur_attrib.fgcol = color_table [vt->esc_buf[i] - 30]; | |
| 1054 | break; | |
| 1055 | case 38: | |
| 1056 | /* reset color to default, enable underline */ | |
| 1057 | vt->cur_attrib.fgcol = vt->default_attrib.fgcol; | |
| 1058 | vt->cur_attrib.uline = 1; | |
| 1059 | break; | |
| 1060 | case 39: | |
| 1061 | /* reset color to default, disable underline */ | |
| 1062 | vt->cur_attrib.fgcol = vt->default_attrib.fgcol; | |
| 1063 | vt->cur_attrib.uline = 0; | |
| 1064 | break; | |
| 1065 | case 40: | |
| 1066 | case 41: | |
| 1067 | case 42: | |
| 1068 | case 43: | |
| 1069 | case 44: | |
| 1070 | case 45: | |
| 1071 | case 46: | |
| 1072 | case 47: | |
| 1073 | /* set background color */ | |
| 1074 | vt->cur_attrib.bgcol = color_table [vt->esc_buf[i] - 40]; | |
| 1075 | break; | |
| 1076 | case 49: | |
| 1077 | /* reset background color */ | |
| 1078 | vt->cur_attrib.bgcol = vt->default_attrib.bgcol; | |
| 1079 | break; | |
| 1080 | default: | |
| 1081 | fprintf (stderr, "unhandled ESC[%d m code\n",vt->esc_buf[i]); | |
| 1082 | //fixme: implement | |
| 1083 | } | |
| 1084 | } | |
| 1085 | } | |
| 1086 | ||
| 1087 | static void | |
| 1088 | vncterm_save_cursor (vncTerm *vt) | |
| 1089 | { | |
| 1090 | vt->cx_saved = vt->cx; | |
| 1091 | vt->cy_saved = vt->cy; | |
| 1092 | vt->cur_attrib_saved = vt->cur_attrib; | |
| 1093 | vt->charset_saved = vt->charset; | |
| 1094 | vt->g0enc_saved = vt->g0enc; | |
| 1095 | vt->g1enc_saved = vt->g1enc; | |
| 1096 | vt->cur_enc_saved = vt->cur_enc; | |
| 1097 | } | |
| 1098 | ||
| 1099 | static void | |
| 1100 | vncterm_restore_cursor (vncTerm *vt) | |
| 1101 | { | |
| 1102 | vt->cx = vt->cx_saved; | |
| 1103 | vt->cy = vt->cy_saved; | |
| 1104 | vt->cur_attrib = vt->cur_attrib_saved; | |
| 1105 | vt->charset = vt->charset_saved; | |
| 1106 | vt->g0enc = vt->g0enc_saved; | |
| 1107 | vt->g1enc = vt->g1enc_saved; | |
| 1108 | vt->cur_enc = vt->cur_enc_saved; | |
| 1109 | } | |
| 1110 | ||
| 1111 | static void | |
| 1112 | vncterm_set_alternate_buffer (vncTerm *vt, int on_off) | |
| 1113 | { | |
| 1114 | int x, y; | |
| 1115 | ||
| 1116 | vt->y_displ = vt->y_base; | |
| 1117 | ||
| 1118 | if (on_off) { | |
| 1119 | ||
| 1120 | if (vt->altbuf) return; | |
| 1121 | ||
| 1122 | vt->altbuf = 1; | |
| 1123 | ||
| 1124 | /* alternate buffer & cursor */ | |
| 1125 | ||
| 1126 | vncterm_save_cursor (vt); | |
| 1127 | /* save screen to altcels */ | |
| 1128 | for (y = 0; y < vt->height; y++) { | |
| 1129 | int y1 = (vt->y_base + y) % vt->total_height; | |
| 1130 | for (x = 0; x < vt->width; x++) { | |
| 1131 | vt->altcells[y*vt->width + x] = vt->cells[y1*vt->width + x]; | |
| 1132 | } | |
| 1133 | } | |
| 1134 | ||
| 1135 | /* clear screen */ | |
| 1136 | for (y = 0; y <= vt->height; y++) { | |
| 1137 | for (x = 0; x < vt->width; x++) { | |
| 1138 | vncterm_clear_xy (vt, x, y); | |
| 1139 | } | |
| 1140 | } | |
| 1141 | ||
| 1142 | } else { | |
| 1143 | ||
| 1144 | if (vt->altbuf == 0) return; | |
| 1145 | ||
| 1146 | vt->altbuf = 0; | |
| 1147 | ||
| 1148 | /* restore saved data */ | |
| 1149 | for (y = 0; y < vt->height; y++) { | |
| 1150 | int y1 = (vt->y_base + y) % vt->total_height; | |
| 1151 | for (x = 0; x < vt->width; x++) { | |
| 1152 | vt->cells[y1*vt->width + x] = vt->altcells[y*vt->width + x]; | |
| 1153 | } | |
| 1154 | } | |
| 1155 | ||
| 1156 | vncterm_restore_cursor (vt); | |
| 1157 | } | |
| 1158 | ||
| 1159 | vncterm_refresh (vt); | |
| 1160 | } | |
| 1161 | ||
| 1162 | static void | |
| 1163 | vncterm_set_mode (vncTerm *vt, int on_off) | |
| 1164 | { | |
| 1165 | int i; | |
| 1166 | ||
| 1167 | for (i = 0; i <= vt->esc_count; i++) { | |
| 1168 | if (vt->esc_ques) { /* DEC private modes set/reset */ | |
| 1169 | switch(vt->esc_buf[i]) { | |
| 1170 | case 10: /* X11 mouse reporting on/off */ | |
| 1171 | case 1000: | |
| 1172 | vt->report_mouse = on_off; | |
| 1173 | break; | |
| 1174 | case 1049: /* start/end special app mode (smcup/rmcup) */ | |
| 1175 | vncterm_set_alternate_buffer (vt, on_off); | |
| 1176 | break; | |
| 1177 | case 25: /* Cursor on/off */ | |
| 1178 | case 9: /* X10 mouse reporting on/off */ | |
| 1179 | case 6: /* Origin relative/absolute */ | |
| 1180 | case 1: /* Cursor keys in appl mode*/ | |
| 1181 | case 5: /* Inverted screen on/off */ | |
| 1182 | case 7: /* Autowrap on/off */ | |
| 1183 | case 8: /* Autorepeat on/off */ | |
| 1184 | break; | |
| 1185 | } | |
| 1186 | } else { /* ANSI modes set/reset */ | |
| 1187 | /* fixme: implement me */ | |
| 1188 | } | |
| 1189 | } | |
| 1190 | } | |
| 1191 | ||
| 1192 | static void | |
| 1193 | vncterm_gotoxy (vncTerm *vt, int x, int y) | |
| 1194 | { | |
| 1195 | /* verify all boundaries */ | |
| 1196 | ||
| 1197 | if (x < 0) { | |
| 1198 | x = 0; | |
| 1199 | } | |
| 1200 | ||
| 1201 | if (x >= vt->width) { | |
| 1202 | x = vt->width - 1; | |
| 1203 | } | |
| 1204 | ||
| 1205 | vt->cx = x; | |
| 1206 | ||
| 1207 | if (y < 0) { | |
| 1208 | y = 0; | |
| 1209 | } | |
| 1210 | ||
| 1211 | if (y >= vt->height) { | |
| 1212 | y = vt->height - 1; | |
| 1213 | } | |
| 1214 | ||
| 1215 | vt->cy = y; | |
| 1216 | } | |
| 1217 | ||
| 1218 | enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey, | |
| 1219 | EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd, | |
| 1220 | ESpalette, ESidquery, ESosc1, ESosc2}; | |
| 1221 | ||
| 1222 | static void | |
| 1223 | vncterm_putchar (vncTerm *vt, unicode ch) | |
| 1224 | { | |
| 1225 | int x, y, i, c; | |
| 1226 | ||
| 1227 | #ifdef DEBUG | |
| 1228 | if (!vt->tty_state) | |
| 1229 | fprintf (stderr, "CHAR:%2d: %4x '%c' (cur_enc %d) %d %d\n", vt->tty_state, ch, ch, vt->cur_enc, vt->cx, vt->cy); | |
| 1230 | #endif | |
| 1231 | ||
| 1232 | switch(vt->tty_state) { | |
| 1233 | case ESesc: | |
| 1234 | vt->tty_state = ESnormal; | |
| 1235 | switch (ch) { | |
| 1236 | case '[': | |
| 1237 | vt->tty_state = ESsquare; | |
| 1238 | break; | |
| 1239 | case ']': | |
| 1240 | vt->tty_state = ESnonstd; | |
| 1241 | break; | |
| 1242 | case '%': | |
| 1243 | vt->tty_state = ESpercent; | |
| 1244 | break; | |
| 1245 | case '7': | |
| 1246 | vncterm_save_cursor (vt); | |
| 1247 | break; | |
| 1248 | case '8': | |
| 1249 | vncterm_restore_cursor (vt); | |
| 1250 | break; | |
| 1251 | case '(': | |
| 1252 | vt->tty_state = ESsetG0; // SET G0 | |
| 1253 | break; | |
| 1254 | case ')': | |
| 1255 | vt->tty_state = ESsetG1; // SET G1 | |
| 1256 | break; | |
| 1257 | case 'M': | |
| 1258 | /* cursor up (ri) */ | |
| 1259 | if (vt->cy == vt->region_top) | |
| 1260 | vncterm_scroll_down (vt, vt->region_top, vt->region_bottom, 1); | |
| 1261 | else if (vt->cy > 0) { | |
| 1262 | vt->cy--; | |
| 1263 | } | |
| 1264 | break; | |
| 1265 | case '>': | |
| 1266 | /* numeric keypad - ignored */ | |
| 1267 | break; | |
| 1268 | case '=': | |
| 1269 | /* appl. keypad - ignored */ | |
| 1270 | break; | |
| 1271 | default: | |
| 1272 | #ifdef DEBUG | |
| 1273 | fprintf(stderr, "got unhandled ESC%c %d\n", ch, ch); | |
| 1274 | #endif | |
| 1275 | break; | |
| 1276 | } | |
| 1277 | break; | |
| 1278 | case ESnonstd: /* Operating System Controls */ | |
| 1279 | vt->tty_state = ESnormal; | |
| 1280 | ||
| 1281 | switch (ch) { | |
| 1282 | case 'P': /* palette escape sequence */ | |
| 1283 | for(i = 0; i < MAX_ESC_PARAMS; i++) { | |
| 1284 | vt->esc_buf[i] = 0; | |
| 1285 | } | |
| 1286 | ||
| 1287 | vt->esc_count = 0; | |
| 1288 | vt->tty_state = ESpalette; | |
| 1289 | break; | |
| 1290 | case 'R': /* reset palette */ | |
| 1291 | // fixme: reset_palette(vc); | |
| 1292 | break; | |
| 1293 | case '0': | |
| 1294 | case '1': | |
| 1295 | case '2': | |
| 1296 | case '4': | |
| 1297 | vt->osc_cmd = ch; | |
| 1298 | vt->osc_textbuf[0] = 0; | |
| 1299 | vt->tty_state = ESosc1; | |
| 1300 | break; | |
| 1301 | default: | |
| 1302 | #ifdef DEBUG | |
| 1303 | fprintf (stderr, "unhandled OSC %c\n", ch); | |
| 1304 | #endif | |
| 1305 | vt->tty_state = ESnormal; | |
| 1306 | break; | |
| 1307 | } | |
| 1308 | break; | |
| 1309 | case ESosc1: | |
| 1310 | vt->tty_state = ESnormal; | |
| 1311 | if (ch == ';') { | |
| 1312 | vt->tty_state = ESosc2; | |
| 1313 | } else { | |
| 1314 | #ifdef DEBUG | |
| 1315 | fprintf (stderr, "got illegal OSC sequence\n"); | |
| 1316 | #endif | |
| 1317 | } | |
| 1318 | break; | |
| 1319 | case ESosc2: | |
| 1320 | if (ch != 0x9c && ch != 7) { | |
| 1321 | int i = 0; | |
| 1322 | while (vt->osc_textbuf[i]) i++; | |
| 1323 | vt->osc_textbuf[i++] = ch; | |
| 1324 | vt->osc_textbuf[i] = 0; | |
| 1325 | } else { | |
| 1326 | #ifdef DEBUG | |
| 1327 | fprintf (stderr, "OSC:%c:%s\n", vt->osc_cmd, vt->osc_textbuf); | |
| 1328 | #endif | |
| 1329 | vt->tty_state = ESnormal; | |
| 1330 | } | |
| 1331 | break; | |
| 1332 | case ESpalette: | |
| 1333 | if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') | |
| 1334 | || (ch >= 'a' && ch <= 'f')) { | |
| 1335 | vt->esc_buf[vt->esc_count++] = (ch > '9' ? (ch & 0xDF) - 'A' + 10 : ch - '0'); | |
| 1336 | if (vt->esc_count == 7) { | |
| 1337 | // fixme: this does not work - please test | |
| 1338 | rfbColourMap *cmap =&vt->screen->colourMap; | |
| 1339 | ||
| 1340 | int i = color_table[vt->esc_buf[0]] * 3, j = 1; | |
| 1341 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
| 1342 | cmap->data.bytes[i++] += vt->esc_buf[j++]; | |
| 1343 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
| 1344 | cmap->data.bytes[i++] += vt->esc_buf[j++]; | |
| 1345 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
| 1346 | cmap->data.bytes[i] += vt->esc_buf[j]; | |
| 1347 | ||
| 1348 | //set_palette(vc); ? | |
| 1349 | ||
| 1350 | vt->tty_state = ESnormal; | |
| 1351 | } | |
| 1352 | } else | |
| 1353 | vt->tty_state = ESnormal; | |
| 1354 | break; | |
| 1355 | case ESsquare: | |
| 1356 | for(i = 0; i < MAX_ESC_PARAMS; i++) { | |
| 1357 | vt->esc_buf[i] = 0; | |
| 1358 | } | |
| 1359 | ||
| 1360 | vt->esc_count = 0; | |
| 1361 | vt->esc_has_par = 0; | |
| 1362 | vt->tty_state = ESgetpars; | |
| 1363 | ||
| 1364 | if (ch == '>') { | |
| 1365 | vt->tty_state = ESidquery; | |
| 1366 | break; | |
| 1367 | } | |
| 1368 | ||
| 1369 | if ((vt->esc_ques = (ch == '?'))) { | |
| 1370 | break; | |
| 1371 | } | |
| 1372 | case ESgetpars: | |
| 1373 | if (ch >= '0' && ch <= '9') { | |
| 1374 | vt->esc_has_par = 1; | |
| 1375 | if (vt->esc_count < MAX_ESC_PARAMS) { | |
| 1376 | vt->esc_buf[vt->esc_count] = vt->esc_buf[vt->esc_count] * 10 + ch - '0'; | |
| 1377 | } | |
| 1378 | break; | |
| 1379 | } else if (ch == ';') { | |
| 1380 | vt->esc_count++; | |
| 1381 | break; | |
| 1382 | } else { | |
| 1383 | if (vt->esc_has_par) { | |
| 1384 | vt->esc_count++; | |
| 1385 | } | |
| 1386 | vt->tty_state = ESgotpars; | |
| 1387 | } | |
| 1388 | case ESgotpars: | |
| 1389 | ||
| 1390 | vt->tty_state = ESnormal; | |
| 1391 | ||
| 1392 | #ifdef DEBUG | |
| 1393 | char *qes = vt->esc_ques ? "?" : ""; | |
| 1394 | if (vt->esc_count == 0) { | |
| 1395 | fprintf(stderr, "ESC[%s%c\n", qes, ch); | |
| 1396 | } else if (vt->esc_count == 1) { | |
| 1397 | fprintf(stderr, "ESC[%s%d%c\n", qes, vt->esc_buf[0], ch); | |
| 1398 | } else { | |
| 1399 | int i; | |
| 1400 | fprintf(stderr, "ESC[%s%d", qes, vt->esc_buf[0]); | |
| 1401 | for (i = 1; i < vt->esc_count; i++) { | |
| 1402 | fprintf(stderr, ";%d", vt->esc_buf[i]); | |
| 1403 | } | |
| 1404 | fprintf (stderr, "%c\n", ch); | |
| 1405 | } | |
| 1406 | #endif | |
| 1407 | ||
| 1408 | switch (ch) { | |
| 1409 | case 'h': | |
| 1410 | vncterm_set_mode (vt, 1); | |
| 1411 | break; | |
| 1412 | case 'l': | |
| 1413 | vncterm_set_mode (vt, 0); | |
| 1414 | break; | |
| 1415 | case 'm': | |
| 1416 | if (!vt->esc_count) { | |
| 1417 | vt->esc_count++; // default parameter 0 | |
| 1418 | } | |
| 1419 | vncterm_csi_m (vt); | |
| 1420 | break; | |
| 1421 | case 'n': | |
| 1422 | /* report cursor position */ | |
| 1423 | /* TODO: send ESC[row;colR */ | |
| 1424 | break; | |
| 1425 | case 'A': | |
| 1426 | /* move cursor up */ | |
| 1427 | if (vt->esc_buf[0] == 0) { | |
| 1428 | vt->esc_buf[0] = 1; | |
| 1429 | } | |
| 1430 | vt->cy -= vt->esc_buf[0]; | |
| 1431 | if (vt->cy < 0) { | |
| 1432 | vt->cy = 0; | |
| 1433 | } | |
| 1434 | break; | |
| 1435 | case 'B': | |
| 1436 | case 'e': | |
| 1437 | /* move cursor down */ | |
| 1438 | if (vt->esc_buf[0] == 0) { | |
| 1439 | vt->esc_buf[0] = 1; | |
| 1440 | } | |
| 1441 | vt->cy += vt->esc_buf[0]; | |
| 1442 | if (vt->cy >= vt->height) { | |
| 1443 | vt->cy = vt->height - 1; | |
| 1444 | } | |
| 1445 | break; | |
| 1446 | case 'C': | |
| 1447 | case 'a': | |
| 1448 | /* move cursor right */ | |
| 1449 | if (vt->esc_buf[0] == 0) { | |
| 1450 | vt->esc_buf[0] = 1; | |
| 1451 | } | |
| 1452 | vt->cx += vt->esc_buf[0]; | |
| 1453 | if (vt->cx >= vt->width) { | |
| 1454 | vt->cx = vt->width - 1; | |
| 1455 | } | |
| 1456 | break; | |
| 1457 | case 'D': | |
| 1458 | /* move cursor left */ | |
| 1459 | if (vt->esc_buf[0] == 0) { | |
| 1460 | vt->esc_buf[0] = 1; | |
| 1461 | } | |
| 1462 | vt->cx -= vt->esc_buf[0]; | |
| 1463 | if (vt->cx < 0) { | |
| 1464 | vt->cx = 0; | |
| 1465 | } | |
| 1466 | break; | |
| 1467 | case 'G': | |
| 1468 | case '`': | |
| 1469 | /* move cursor to column */ | |
| 1470 | vncterm_gotoxy (vt, vt->esc_buf[0] - 1, vt->cy); | |
| 1471 | break; | |
| 1472 | case 'd': | |
| 1473 | /* move cursor to row */ | |
| 1474 | vncterm_gotoxy (vt, vt->cx , vt->esc_buf[0] - 1); | |
| 1475 | break; | |
| 1476 | case 'f': | |
| 1477 | case 'H': | |
| 1478 | /* move cursor to row, column */ | |
| 1479 | vncterm_gotoxy (vt, vt->esc_buf[1] - 1, vt->esc_buf[0] - 1); | |
| 1480 | break; | |
| 1481 | case 'J': | |
| 1482 | switch (vt->esc_buf[0]) { | |
| 1483 | case 0: | |
| 1484 | /* clear to end of screen */ | |
| 1485 | for (y = vt->cy; y < vt->height; y++) { | |
| 1486 | for (x = 0; x < vt->width; x++) { | |
| 1487 | if (y == vt->cy && x < vt->cx) { | |
| 1488 | continue; | |
| 1489 | } | |
| 1490 | vncterm_clear_xy (vt, x, y); | |
| 1491 | } | |
| 1492 | } | |
| 1493 | break; | |
| 1494 | case 1: | |
| 1495 | /* clear from beginning of screen */ | |
| 1496 | for (y = 0; y <= vt->cy; y++) { | |
| 1497 | for (x = 0; x < vt->width; x++) { | |
| 1498 | if (y == vt->cy && x > vt->cx) { | |
| 1499 | break; | |
| 1500 | } | |
| 1501 | vncterm_clear_xy (vt, x, y); | |
| 1502 | } | |
| 1503 | } | |
| 1504 | break; | |
| 1505 | case 2: | |
| 1506 | /* clear entire screen */ | |
| 1507 | for (y = 0; y <= vt->height; y++) { | |
| 1508 | for (x = 0; x < vt->width; x++) { | |
| 1509 | vncterm_clear_xy (vt, x, y); | |
| 1510 | } | |
| 1511 | } | |
| 1512 | break; | |
| 1513 | } | |
| 1514 | break; | |
| 1515 | case 'K': | |
| 1516 | switch (vt->esc_buf[0]) { | |
| 1517 | case 0: | |
| 1518 | /* clear to eol */ | |
| 1519 | for(x = vt->cx; x < vt->width; x++) { | |
| 1520 | vncterm_clear_xy (vt, x, vt->cy); | |
| 1521 | } | |
| 1522 | break; | |
| 1523 | case 1: | |
| 1524 | /* clear from beginning of line */ | |
| 1525 | for (x = 0; x <= vt->cx; x++) { | |
| 1526 | vncterm_clear_xy (vt, x, vt->cy); | |
| 1527 | } | |
| 1528 | break; | |
| 1529 | case 2: | |
| 1530 | /* clear entire line */ | |
| 1531 | for(x = 0; x < vt->width; x++) { | |
| 1532 | vncterm_clear_xy (vt, x, vt->cy); | |
| 1533 | } | |
| 1534 | break; | |
| 1535 | } | |
| 1536 | break; | |
| 1537 | case 'L': | |
| 1538 | /* insert line */ | |
| 1539 | c = vt->esc_buf[0]; | |
| 1540 | ||
| 1541 | if (c > vt->height - vt->cy) | |
| 1542 | c = vt->height - vt->cy; | |
| 1543 | else if (!c) | |
| 1544 | c = 1; | |
| 1545 | ||
| 1546 | vncterm_scroll_down (vt, vt->cy, vt->region_bottom, c); | |
| 1547 | break; | |
| 1548 | case 'M': | |
| 1549 | /* delete line */ | |
| 1550 | c = vt->esc_buf[0]; | |
| 1551 | ||
| 1552 | if (c > vt->height - vt->cy) | |
| 1553 | c = vt->height - vt->cy; | |
| 1554 | else if (!c) | |
| 1555 | c = 1; | |
| 1556 | ||
| 1557 | vncterm_scroll_up (vt, vt->cy, vt->region_bottom, c, 1); | |
| 1558 | break; | |
| 1559 | case 'T': | |
| 1560 | /* scroll down */ | |
| 1561 | c = vt->esc_buf[0]; | |
| 1562 | if (!c) c = 1; | |
| 1563 | vncterm_scroll_down (vt, vt->region_top, vt->region_bottom, c); | |
| 1564 | break; | |
| 1565 | case 'S': | |
| 1566 | /* scroll up */ | |
| 1567 | c = vt->esc_buf[0]; | |
| 1568 | if (!c) c = 1; | |
| 1569 | vncterm_scroll_up (vt, vt->region_top, vt->region_bottom, c, 1); | |
| 1570 | break; | |
| 1571 | case 'P': | |
| 1572 | /* delete c character */ | |
| 1573 | c = vt->esc_buf[0]; | |
| 1574 | ||
| 1575 | if (c > vt->width - vt->cx) | |
| 1576 | c = vt->width - vt->cx; | |
| 1577 | else if (!c) | |
| 1578 | c = 1; | |
| 1579 | ||
| 1580 | for (x = vt->cx; x < vt->width - c; x++) { | |
| 1581 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
| 1582 | TextCell *dst = &vt->cells[y1 * vt->width + x]; | |
| 1583 | TextCell *src = dst + c; | |
| 1584 | *dst = *src; | |
| 1585 | vncterm_update_xy (vt, x + c, vt->cy); | |
| 1586 | src->ch = ' '; | |
| 1587 | src->attrib = vt->default_attrib; | |
| 1588 | vncterm_update_xy (vt, x, vt->cy); | |
| 1589 | } | |
| 1590 | break; | |
| 1591 | case 's': | |
| 1592 | /* save cursor position */ | |
| 1593 | vncterm_save_cursor (vt); | |
| 1594 | break; | |
| 1595 | case 'u': | |
| 1596 | /* restore cursor position */ | |
| 1597 | vncterm_restore_cursor (vt); | |
| 1598 | break; | |
| 1599 | case 'X': | |
| 1600 | /* erase c characters */ | |
| 1601 | c = vt->esc_buf[0]; | |
| 1602 | if (!c) c = 1; | |
| 1603 | ||
| 1604 | if (c > (vt->width - vt->cx)) c = vt->width - vt->cx; | |
| 1605 | ||
| 1606 | for(i = 0; i < c; i++) { | |
| 1607 | vncterm_clear_xy (vt, vt->cx + i, vt->cy); | |
| 1608 | } | |
| 1609 | break; | |
| 1610 | case '@': | |
| 1611 | /* insert c character */ | |
| 1612 | c = vt->esc_buf[0]; | |
| 1613 | if (c > (vt->width - vt->cx)) { | |
| 1614 | c = vt->width - vt->cx; | |
| 1615 | } | |
| 1616 | if (!c) c = 1; | |
| 1617 | ||
| 1618 | for (x = vt->width - c; x >= vt->cx; x--) { | |
| 1619 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
| 1620 | TextCell *src = &vt->cells[y1 * vt->width + x]; | |
| 1621 | TextCell *dst = src + c; | |
| 1622 | *dst = *src; | |
| 1623 | vncterm_update_xy (vt, x + c, vt->cy); | |
| 1624 | src->ch = ' '; | |
| 1625 | src->attrib = vt->cur_attrib; | |
| 1626 | vncterm_update_xy (vt, x, vt->cy); | |
| 1627 | } | |
| 1628 | ||
| 1629 | break; | |
| 1630 | case 'r': | |
| 1631 | /* set region */ | |
| 1632 | if (!vt->esc_buf[0]) | |
| 1633 | vt->esc_buf[0]++; | |
| 1634 | if (!vt->esc_buf[1]) | |
| 1635 | vt->esc_buf[1] = vt->height; | |
| 1636 | /* Minimum allowed region is 2 lines */ | |
| 1637 | if (vt->esc_buf[0] < vt->esc_buf[1] && | |
| 1638 | vt->esc_buf[1] <= vt->height) { | |
| 1639 | vt->region_top = vt->esc_buf[0] - 1; | |
| 1640 | vt->region_bottom = vt->esc_buf[1]; | |
| 1641 | vt->cx = 0; | |
| 1642 | vt->cy = vt->region_top; | |
| 1643 | #ifdef DEBUG | |
| 1644 | fprintf (stderr, "set region %d %d\n", vt->region_top, vt->region_bottom); | |
| 1645 | #endif | |
| 1646 | } | |
| 1647 | ||
| 1648 | break; | |
| 1649 | default: | |
| 1650 | #ifdef DEBUG | |
| 1651 | if (vt->esc_count == 0) { | |
| 1652 | fprintf(stderr, "unhandled escape ESC[%s%c\n", qes, ch); | |
| 1653 | } else if (vt->esc_count == 1) { | |
| 1654 | fprintf(stderr, "unhandled escape ESC[%s%d%c\n", qes, vt->esc_buf[0], ch); | |
| 1655 | } else { | |
| 1656 | int i; | |
| 1657 | fprintf(stderr, "unhandled escape ESC[%s%d", qes, vt->esc_buf[0]); | |
| 1658 | for (i = 1; i < vt->esc_count; i++) { | |
| 1659 | fprintf(stderr, ";%d", vt->esc_buf[i]); | |
| 1660 | } | |
| 1661 | fprintf (stderr, "%c\n", ch); | |
| 1662 | } | |
| 1663 | #endif | |
| 1664 | break; | |
| 1665 | } | |
| 1666 | vt->esc_ques = 0; | |
| 1667 | break; | |
| 1668 | case ESsetG0: // Set G0 | |
| 1669 | vt->tty_state = ESnormal; | |
| 1670 | ||
| 1671 | if (ch == '0') | |
| 1672 | vt->g0enc = GRAF_MAP; | |
| 1673 | else if (ch == 'B') | |
| 1674 | vt->g0enc = LAT1_MAP; | |
| 1675 | else if (ch == 'U') | |
| 1676 | vt->g0enc = IBMPC_MAP; | |
| 1677 | else if (ch == 'K') | |
| 1678 | vt->g0enc = USER_MAP; | |
| 1679 | ||
| 1680 | if (vt->charset == 0) | |
| 1681 | vt->cur_enc = vt->g0enc; | |
| 1682 | ||
| 1683 | break; | |
| 1684 | case ESsetG1: // Set G1 | |
| 1685 | vt->tty_state = ESnormal; | |
| 1686 | ||
| 1687 | if (ch == '0') | |
| 1688 | vt->g1enc = GRAF_MAP; | |
| 1689 | else if (ch == 'B') | |
| 1690 | vt->g1enc = LAT1_MAP; | |
| 1691 | else if (ch == 'U') | |
| 1692 | vt->g1enc = IBMPC_MAP; | |
| 1693 | else if (ch == 'K') | |
| 1694 | vt->g1enc = USER_MAP; | |
| 1695 | ||
| 1696 | if (vt->charset == 1) | |
| 1697 | vt->cur_enc = vt->g1enc; | |
| 1698 | ||
| 1699 | break; | |
| 1700 | case ESidquery: // vt100 query id | |
| 1701 | vt->tty_state = ESnormal; | |
| 1702 | ||
| 1703 | if (ch == 'c') { | |
| 1704 | #ifdef DEBUG | |
| 1705 | fprintf (stderr, "ESC[>c Query term ID\n"); | |
| 1706 | #endif | |
| 1707 | vncterm_respond_esc (vt, TERMIDCODE); | |
| 1708 | } | |
| 1709 | break; | |
| 1710 | case ESpercent: | |
| 1711 | vt->tty_state = ESnormal; | |
| 1712 | switch (ch) { | |
| 1713 | case '@': /* defined in ISO 2022 */ | |
| 1714 | vt->utf8 = 0; | |
| 1715 | break; | |
| 1716 | case 'G': /* prelim official escape code */ | |
| 1717 | case '8': /* retained for compatibility */ | |
| 1718 | vt->utf8 = 1; | |
| 1719 | break; | |
| 1720 | } | |
| 1721 | break; | |
| 1722 | default: // ESnormal | |
| 1723 | vt->tty_state = ESnormal; | |
| 1724 | ||
| 1725 | switch(ch) { | |
| 1726 | case 0: | |
| 1727 | break; | |
| 1728 | case 7: /* alert aka. bell */ | |
| 1729 | rfbSendBell(vt->screen); | |
| 1730 | break; | |
| 1731 | case 8: /* backspace */ | |
| 1732 | if (vt->cx > 0) | |
| 1733 | vt->cx--; | |
| 1734 | break; | |
| 1735 | case 9: /* tabspace */ | |
| 1736 | if (vt->cx + (8 - (vt->cx % 8)) > vt->width) { | |
| 1737 | vt->cx = 0; | |
| 1738 | vncterm_put_lf (vt); | |
| 1739 | } else { | |
| 1740 | vt->cx = vt->cx + (8 - (vt->cx % 8)); | |
| 1741 | } | |
| 1742 | break; | |
| 1743 | case 10: /* LF,*/ | |
| 1744 | case 11: /* VT */ | |
| 1745 | case 12: /* FF */ | |
| 1746 | vncterm_put_lf (vt); | |
| 1747 | break; | |
| 1748 | case 13: /* carriage return */ | |
| 1749 | vt->cx = 0; | |
| 1750 | break; | |
| 1751 | case 14: | |
| 1752 | /* SI (shift in), select character set 1 */ | |
| 1753 | vt->charset = 1; | |
| 1754 | vt->cur_enc = vt->g1enc; | |
| 1755 | /* fixme: display controls = 1 */ | |
| 1756 | break; | |
| 1757 | case 15: | |
| 1758 | /* SO (shift out), select character set 0 */ | |
| 1759 | vt->charset = 0; | |
| 1760 | vt->cur_enc = vt->g0enc; | |
| 1761 | /* fixme: display controls = 0 */ | |
| 1762 | break; | |
| 1763 | case 27: /* esc */ | |
| 1764 | vt->tty_state = ESesc; | |
| 1765 | break; | |
| 1766 | case 127: /* delete */ | |
| 1767 | /* ignore */ | |
| 1768 | break; | |
| 1769 | case 128+27: /* csi */ | |
| 1770 | vt->tty_state = ESsquare; | |
| 1771 | break; | |
| 1772 | default: | |
| 1773 | if (vt->cx >= vt->width) { | |
| 1774 | /* line wrap */ | |
| 1775 | vt->cx = 0; | |
| 1776 | vncterm_put_lf (vt); | |
| 1777 | } | |
| 1778 | ||
| 1779 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
| 1780 | TextCell *c = &vt->cells[y1*vt->width + vt->cx]; | |
| 1781 | c->attrib = vt->cur_attrib; | |
| 1782 | c->ch = ch; | |
| 1783 | vncterm_update_xy (vt, vt->cx, vt->cy); | |
| 1784 | vt->cx++; | |
| 1785 | break; | |
| 1786 | } | |
| 1787 | break; | |
| 1788 | } | |
| 1789 | } | |
| 1790 | ||
| 1791 | static int | |
| 1792 | vncterm_puts (vncTerm *vt, const char *buf, int len) | |
| 1793 | { | |
| 1794 | unicode tc; | |
| 1795 | ||
| 1796 | vncterm_show_cursor (vt, 0); | |
| 1797 | ||
| 1798 | while (len) { | |
| 1799 | unsigned char c = *buf; | |
| 1800 | len--; | |
| 1801 | buf++; | |
| 1802 | ||
| 1803 | if (vt->tty_state != ESnormal) { | |
| 1804 | // never translate escape sequence | |
| 1805 | tc = c; | |
| 1806 | } else if (vt->utf8 && !vt->cur_enc) { | |
| 1807 | ||
| 1808 | if(c & 0x80) { // utf8 multi-byte sequence | |
| 1809 | ||
| 1810 | if (vt->utf_count > 0 && (c & 0xc0) == 0x80) { | |
| 1811 | // inside UTF8 sequence | |
| 1812 | vt->utf_char = (vt->utf_char << 6) | (c & 0x3f); | |
| 1813 | vt->utf_count--; | |
| 1814 | if (vt->utf_count == 0) { | |
| 1815 | tc = vt->utf_char; | |
| 1816 | } else { | |
| 1817 | continue; | |
| 1818 | } | |
| 1819 | } else { | |
| 1820 | // first char of a UTF8 sequence | |
| 1821 | if ((c & 0xe0) == 0xc0) { | |
| 1822 | vt->utf_count = 1; | |
| 1823 | vt->utf_char = (c & 0x1f); | |
| 1824 | } else if ((c & 0xf0) == 0xe0) { | |
| 1825 | vt->utf_count = 2; | |
| 1826 | vt->utf_char = (c & 0x0f); | |
| 1827 | } else if ((c & 0xf8) == 0xf0) { | |
| 1828 | vt->utf_count = 3; | |
| 1829 | vt->utf_char = (c & 0x07); | |
| 1830 | } else if ((c & 0xfc) == 0xf8) { | |
| 1831 | vt->utf_count = 4; | |
| 1832 | vt->utf_char = (c & 0x03); | |
| 1833 | } else if ((c & 0xfe) == 0xfc) { | |
| 1834 | vt->utf_count = 5; | |
| 1835 | vt->utf_char = (c & 0x01); | |
| 1836 | } else | |
| 1837 | vt->utf_count = 0; | |
| 1838 | ||
| 1839 | continue; | |
| 1840 | } | |
| 1841 | } else { | |
| 1842 | // utf8 single byte | |
| 1843 | tc = c; | |
| 1844 | vt->utf_count = 0; | |
| 1845 | } | |
| 1846 | ||
| 1847 | } else { | |
| 1848 | // never translate controls | |
| 1849 | if (c >= 32 && c != 127 && c != (128+27)) { | |
| 1850 | tc = translations[vt->cur_enc][c & 0x0ff]; | |
| 1851 | } else { | |
| 1852 | tc = c; | |
| 1853 | } | |
| 1854 | } | |
| 1855 | ||
| 1856 | vncterm_putchar (vt, tc); | |
| 1857 | } | |
| 1858 | ||
| 1859 | vncterm_show_cursor (vt, 1); | |
| 1860 | return len; | |
| 1861 | } | |
| 1862 | ||
| 1863 | void | |
| 1864 | vncterm_kbd_event (rfbBool down, rfbKeySym keySym, rfbClientPtr cl) | |
| 1865 | { | |
| 1866 | vncTerm *vt =(vncTerm *)cl->screen->screenData; | |
| 1867 | static int control = 0; | |
| 1868 | static int shift = 0; | |
| 1869 | char *esc = NULL; | |
| 1870 | ||
| 1871 | //fprintf (stderr, "KEYEVENT:%d: %08x\n", down == 0, keySym);fflush (stderr); | |
| 1872 | if (down) { | |
| 1873 | //fprintf (stderr, "KEYPRESS: %d\n", keySym);fflush (stderr); | |
| 1874 | ||
| 1875 | if (keySym == XK_Shift_L || keySym == XK_Shift_R) { | |
| 1876 | shift = 1; | |
| 1877 | } if (keySym == XK_Control_L || keySym == XK_Control_R) { | |
| 1878 | control = 1; | |
| 1879 | } else if (vt->ibuf_count < (IBUFSIZE - 32)) { | |
| 1880 | ||
| 1881 | if (control) { | |
| 1882 | if(keySym >= 'a' && keySym <= 'z') | |
| 1883 | keySym -= 'a' -1; | |
| 1884 | else if (keySym >= 'A' && keySym <= 'Z') | |
| 1885 | keySym -= 'A'-1; | |
| 1886 | else | |
| 1887 | keySym=0xffff; | |
| 1888 | } else { | |
| 1889 | switch (keySym) { | |
| 1890 | case XK_Escape: | |
| 1891 | keySym=27; break; | |
| 1892 | case XK_Return: | |
| 1893 | keySym='\r'; break; | |
| 1894 | case XK_BackSpace: | |
| 1895 | keySym=8; break; | |
| 1896 | case XK_Tab: | |
| 1897 | keySym='\t'; break; | |
| 1898 | case XK_Delete: /* kdch1 */ | |
| 1899 | case XK_KP_Delete: | |
| 1900 | esc = "[3~";break; | |
| 1901 | case XK_Home: /* khome */ | |
| 1902 | case XK_KP_Home: | |
| 1903 | esc = "OH";break; | |
| 1904 | case XK_End: | |
| 1905 | case XK_KP_End: /* kend */ | |
| 1906 | esc = "OF";break; | |
| 1907 | case XK_Insert: /* kich1 */ | |
| 1908 | case XK_KP_Insert: | |
| 1909 | esc = "[2~";break; | |
| 1910 | case XK_Up: | |
| 1911 | case XK_KP_Up: /* kcuu1 */ | |
| 1912 | esc = "OA";break; | |
| 1913 | case XK_Down: /* kcud1 */ | |
| 1914 | case XK_KP_Down: | |
| 1915 | esc = "OB";break; | |
| 1916 | case XK_Right: | |
| 1917 | case XK_KP_Right: /* kcuf1 */ | |
| 1918 | esc = "OC";break; | |
| 1919 | case XK_Left: | |
| 1920 | case XK_KP_Left: /* kcub1 */ | |
| 1921 | esc = "OD";break; | |
| 1922 | case XK_Page_Up: | |
| 1923 | if (shift) { | |
| 1924 | vncterm_virtual_scroll (vt, -vt->height/2); | |
| 1925 | return; | |
| 1926 | } | |
| 1927 | esc = "[5~";break; | |
| 1928 | case XK_Page_Down: | |
| 1929 | if (shift) { | |
| 1930 | vncterm_virtual_scroll (vt, vt->height/2); | |
| 1931 | return; | |
| 1932 | } | |
| 1933 | esc = "[6~";break; | |
| 1934 | case XK_F1: | |
| 1935 | esc = "OP";break; | |
| 1936 | case XK_F2: | |
| 1937 | esc = "OQ";break; | |
| 1938 | case XK_F3: | |
| 1939 | esc = "OR";break; | |
| 1940 | case XK_F4: | |
| 1941 | esc = "OS";break; | |
| 1942 | case XK_F5: | |
| 1943 | esc = "[15~";break; | |
| 1944 | case XK_F6: | |
| 1945 | esc = "[17~";break; | |
| 1946 | case XK_F7: | |
| 1947 | esc = "[18~";break; | |
| 1948 | case XK_F8: | |
| 1949 | esc = "[19~";break; | |
| 1950 | case XK_F9: | |
| 1951 | esc = "[20~";break; | |
| 1952 | case XK_F10: | |
| 1953 | esc = "[21~";break; | |
| 1954 | case XK_F11: | |
| 1955 | esc = "[23~";break; | |
| 1956 | case XK_F12: | |
| 1957 | esc = "[24~";break; | |
| 1958 | default: | |
| 1959 | break; | |
| 1960 | } | |
| 1961 | } | |
| 1962 | ||
| 1963 | #ifdef DEBUG | |
| 1964 | fprintf (stderr, "KEYPRESS OUT:%s: %d\n", esc, keySym); fflush (stderr); | |
| 1965 | #endif | |
| 1966 | ||
| 1967 | if (vt->y_displ != vt->y_base) { | |
| 1968 | vt->y_displ = vt->y_base; | |
| 1969 | vncterm_refresh (vt); | |
| 1970 | } | |
| 1971 | ||
| 1972 | if (esc) { | |
| 1973 | vncterm_respond_esc (vt, esc); | |
| 1974 | } else if(keySym<0x100) { | |
| 1975 | if (vt->utf8) { | |
| 1976 | int len = ucs2_to_utf8 (keySym & 0x0fff, &vt->ibuf[vt->ibuf_count]); | |
| 1977 | vt->ibuf_count += len; | |
| 1978 | } else { | |
| 1979 | vt->ibuf[vt->ibuf_count++] = (char)keySym; | |
| 1980 | } | |
| 1981 | } | |
| 1982 | } | |
| 1983 | } else { | |
| 1984 | if (keySym == XK_Shift_L || keySym == XK_Shift_R) { | |
| 1985 | shift = 0; | |
| 1986 | } else if (keySym == XK_Control_L || keySym == XK_Control_R) { | |
| 1987 | control = 0; | |
| 1988 | } | |
| 1989 | } | |
| 1990 | } | |
| 1991 | ||
| 1992 | void | |
| 1993 | vncterm_set_xcut_text (char* str, int len, struct _rfbClientRec* cl) | |
| 1994 | { | |
| 1995 | vncTerm *vt =(vncTerm *)cl->screen->screenData; | |
| 1996 | ||
| 1997 | // seems str is Latin-1 encoded | |
| 1998 | if (vt->selection) free (vt->selection); | |
| 1999 | vt->selection = (unicode *)malloc (len*sizeof (unicode)); | |
| 2000 | int i; | |
| 2001 | for (i = 0; i < len; i++) { | |
| 2002 | vt->selection[i] = str[i] & 0xff; | |
| 2003 | } | |
| 2004 | vt->selection_len = len; | |
| 2005 | } | |
| 2006 | ||
| 2007 | static void | |
| 2008 | mouse_report (vncTerm *vt, int butt, int mrx, int mry) | |
| 2009 | { | |
| 2010 | char buf[8]; | |
| 2011 | ||
| 2012 | sprintf (buf, "[M%c%c%c", (char)(' ' + butt), (char)('!' + mrx), | |
| 2013 | (char)('!' + mry)); | |
| 2014 | ||
| 2015 | vncterm_respond_esc (vt, buf); | |
| 2016 | } | |
| 2017 | ||
| 2018 | void | |
| 2019 | vncterm_toggle_marked_cell (vncTerm *vt, int pos) | |
| 2020 | { | |
| 2021 | int x= (pos%vt->width)*8; | |
| 2022 | int y= (pos/vt->width)*16; | |
| 2023 | ||
| 2024 | int i,j; | |
| 2025 | rfbScreenInfoPtr s=vt->screen; | |
| 2026 | ||
| 2027 | char *b = s->frameBuffer+y*s->width+x; | |
| 2028 | ||
| 2029 | for (j=0; j < 16; j++) { | |
| 2030 | for(i=0; i < 8; i++) { | |
| 2031 | b[j*s->width+i] ^= 0x0f; | |
| 2032 | rfbMarkRectAsModified (s, x, y, x+8, y+16); | |
| 2033 | } | |
| 2034 | } | |
| 2035 | } | |
| 2036 | ||
| 2037 | void | |
| 2038 | vncterm_pointer_event (int buttonMask, int x, int y, rfbClientPtr cl) | |
| 2039 | { | |
| 2040 | vncTerm *vt =(vncTerm *)cl->screen->screenData; | |
| 2041 | static int button2_released = 1; | |
| 2042 | static int last_mask = 0; | |
| 2043 | static int sel_start_pos = 0; | |
| 2044 | static int sel_end_pos = 0; | |
| 2045 | int i; | |
| 2046 | ||
| 2047 | int cx = x/8; | |
| 2048 | int cy = y/16; | |
| 2049 | ||
| 2050 | if (cx < 0) cx = 0; | |
| 2051 | if (cx >= vt->width) cx = vt->width - 1; | |
| 2052 | if (cy < 0) cy = 0; | |
| 2053 | if (cy >= vt->height) cy = vt->height - 1; | |
| 2054 | ||
| 2055 | if (vt->report_mouse && buttonMask != last_mask) { | |
| 2056 | last_mask = buttonMask; | |
| 2057 | if (buttonMask & 1) { | |
| 2058 | mouse_report (vt, 0, cx, cy); | |
| 2059 | } | |
| 2060 | if (buttonMask & 2) { | |
| 2061 | mouse_report (vt, 1, cx, cy); | |
| 2062 | } | |
| 2063 | if (buttonMask & 4) { | |
| 2064 | mouse_report (vt, 2, cx, cy); | |
| 2065 | } | |
| 2066 | if (!buttonMask) { | |
| 2067 | mouse_report (vt, 3, cx, cy); | |
| 2068 | } | |
| 2069 | } | |
| 2070 | ||
| 2071 | if (buttonMask & 2) { | |
| 2072 | if(button2_released && vt->selection) { | |
| 2073 | int i; | |
| 2074 | for(i = 0; i < vt->selection_len; i++) { | |
| 2075 | if (vt->ibuf_count < IBUFSIZE - 6) { // uft8 is max 6 characters wide | |
| 2076 | if (vt->utf8) { | |
| 2077 | vt->ibuf_count += ucs2_to_utf8 (vt->selection[i], &vt->ibuf[vt->ibuf_count]); | |
| 2078 | } else { | |
| 2079 | vt->ibuf[vt->ibuf_count++] = vt->selection[i]; | |
| 2080 | } | |
| 2081 | } | |
| 2082 | } | |
| 2083 | if (vt->y_displ != vt->y_base) { | |
| 2084 | vt->y_displ = vt->y_base; | |
| 2085 | vncterm_refresh (vt); | |
| 2086 | } | |
| 2087 | } | |
| 2088 | button2_released = 0; | |
| 2089 | } else { | |
| 2090 | button2_released = 1; | |
| 2091 | } | |
| 2092 | ||
| 2093 | if (buttonMask & 1) { | |
| 2094 | int pos = cy*vt->width + cx; | |
| 2095 | ||
| 2096 | // code borrowed from libvncserver (VNConsole.c) | |
| 2097 | ||
| 2098 | if (!vt->mark_active) { | |
| 2099 | ||
| 2100 | vt->mark_active = 1; | |
| 2101 | sel_start_pos = sel_end_pos = pos; | |
| 2102 | vncterm_toggle_marked_cell (vt, pos); | |
| 2103 | ||
| 2104 | } else { | |
| 2105 | ||
| 2106 | if (pos != sel_end_pos) { | |
| 2107 | ||
| 2108 | if (pos > sel_end_pos) { | |
| 2109 | cx = sel_end_pos; cy=pos; | |
| 2110 | } else { | |
| 2111 | cx=pos; cy=sel_end_pos; | |
| 2112 | } | |
| 2113 | ||
| 2114 | if (cx < sel_start_pos) { | |
| 2115 | if (cy < sel_start_pos) cy--; | |
| 2116 | } else { | |
| 2117 | cx++; | |
| 2118 | } | |
| 2119 | ||
| 2120 | while (cx <= cy) { | |
| 2121 | vncterm_toggle_marked_cell (vt, cx); | |
| 2122 | cx++; | |
| 2123 | } | |
| 2124 | ||
| 2125 | sel_end_pos = pos; | |
| 2126 | } | |
| 2127 | } | |
| 2128 | ||
| 2129 | } else if (vt->mark_active) { | |
| 2130 | vt->mark_active = 0; | |
| 2131 | ||
| 2132 | if (sel_start_pos > sel_end_pos) { | |
| 2133 | int tmp = sel_start_pos - 1; | |
| 2134 | sel_start_pos = sel_end_pos; | |
| 2135 | sel_end_pos = tmp; | |
| 2136 | } | |
| 2137 | ||
| 2138 | int len = sel_end_pos - sel_start_pos + 1; | |
| 2139 | ||
| 2140 | if (vt->selection) free (vt->selection); | |
| 2141 | vt->selection = (unicode *)malloc (len*sizeof (unicode)); | |
| 2142 | vt->selection_len = len; | |
| 2143 | char *sel_latin1 = (char *)malloc (len + 1); | |
| 2144 | ||
| 2145 | for (i = 0; i < len; i++) { | |
| 2146 | int pos = sel_start_pos + i; | |
| 2147 | int x = pos % vt->width; | |
| 2148 | int y1 = ((pos / vt->width) + vt->y_displ) % vt->total_height; | |
| 2149 | TextCell *c = &vt->cells[y1*vt->width + x]; | |
| 2150 | vt->selection[i] = c->ch; | |
| 2151 | sel_latin1[i] = (char)c->ch; | |
| 2152 | c++; | |
| 2153 | } | |
| 2154 | sel_latin1[len] = 0; | |
| 2155 | rfbGotXCutText (vt->screen, sel_latin1, len); | |
| 2156 | free (sel_latin1); | |
| 2157 | ||
| 2158 | while (sel_start_pos <= sel_end_pos) { | |
| 2159 | vncterm_toggle_marked_cell (vt, sel_start_pos++); | |
| 2160 | } | |
| 2161 | ||
| 2162 | } | |
| 2163 | ||
| 2164 | rfbDefaultPtrAddEvent (buttonMask, x, y, cl); | |
| 2165 | } | |
| 2166 | ||
| 2167 | static int client_count = 0; | |
| 2168 | static int client_connected = 0; | |
| 2169 | static int last_client = 1; | |
| 2170 | static time_t last_time = 0; | |
| 2171 | ||
| 2172 | void | |
| 2173 | client_gone (rfbClientPtr client) | |
| 2174 | { | |
| 2175 | client_count--; | |
| 2176 | ||
| 2177 | last_time = time (NULL); | |
| 2178 | ||
| 2179 | if (client_count <= 0) { | |
| 2180 | last_client = 1; | |
| 2181 | } | |
| 2182 | } | |
| 2183 | ||
| 2184 | /* libvncserver callback for when a new client connects */ | |
| 2185 | enum rfbNewClientAction | |
| 2186 | new_client (rfbClientPtr client) | |
| 2187 | { | |
| 2188 | client->clientGoneHook = client_gone; | |
| 2189 | client_count++; | |
| 2190 | ||
| 2191 | last_time = time (NULL); | |
| 2192 | ||
| 2193 | last_client = 0; | |
| 2194 | client_connected = 1; | |
| 2195 | ||
| 2196 | return RFB_CLIENT_ACCEPT; | |
| 2197 | } | |
| 2198 | ||
| 2199 | vncTerm * | |
| 2200 | create_vncterm (int argc, char** argv, int maxx, int maxy) | |
| 2201 | { | |
| 2202 | int i; | |
| 2203 | ||
| 2204 | rfbScreenInfoPtr screen = rfbGetScreen (&argc, argv, maxx, maxy, 8, 1, 1); | |
| 2205 | screen->frameBuffer=(char*)calloc(maxx*maxy, 1); | |
| 2206 | ||
| 2207 | vncTerm *vt = (vncTerm *)calloc (sizeof(vncTerm), 1); | |
| 2208 | ||
| 2209 | rfbColourMap *cmap =&screen->colourMap; | |
| 2210 | cmap->data.bytes = malloc (16*3); | |
| 2211 | for(i=0;i<16;i++) { | |
| 2212 | cmap->data.bytes[i*3 + 0] = default_red[color_table[i]]; | |
| 2213 | cmap->data.bytes[i*3 + 1] = default_grn[color_table[i]]; | |
| 2214 | cmap->data.bytes[i*3 + 2] = default_blu[color_table[i]]; | |
| 2215 | } | |
| 2216 | cmap->count = 16; | |
| 2217 | cmap->is16 = FALSE; | |
| 2218 | screen->serverFormat.trueColour = FALSE; | |
| 2219 | ||
| 2220 | screen->kbdAddEvent = vncterm_kbd_event; | |
| 2221 | ||
| 2222 | screen->setXCutText = vncterm_set_xcut_text; | |
| 2223 | ||
| 2224 | screen->ptrAddEvent = vncterm_pointer_event; | |
| 2225 | ||
| 2226 | screen->desktopName = "VNC Command Terminal"; | |
| 2227 | ||
| 2228 | screen->newClientHook = new_client; | |
| 2229 | ||
| 2230 | vt->maxx = screen->width; | |
| 2231 | vt->maxy = screen->height; | |
| 2232 | ||
| 2233 | vt->width = vt->maxx / 8; | |
| 2234 | vt->height = vt->maxy / 16; | |
| 2235 | ||
| 2236 | vt->total_height = vt->height * 20; | |
| 2237 | vt->scroll_height = 0; | |
| 2238 | vt->y_base = 0; | |
| 2239 | vt->y_displ = 0; | |
| 2240 | ||
| 2241 | vt->region_top = 0; | |
| 2242 | vt->region_bottom = vt->height; | |
| 2243 | ||
| 2244 | vt->g0enc = LAT1_MAP; | |
| 2245 | vt->g1enc = GRAF_MAP; | |
| 2246 | vt->cur_enc = vt->g0enc; | |
| 2247 | vt->charset = 0; | |
| 2248 | ||
| 2249 | /* default text attributes */ | |
| 2250 | vt->default_attrib.bold = 0; | |
| 2251 | vt->default_attrib.uline = 0; | |
| 2252 | vt->default_attrib.blink = 0; | |
| 2253 | vt->default_attrib.invers = 0; | |
| 2254 | vt->default_attrib.unvisible = 0; | |
| 2255 | vt->default_attrib.fgcol = 7; | |
| 2256 | vt->default_attrib.bgcol = 0; | |
| 2257 | ||
| 2258 | vt->cur_attrib = vt->default_attrib; | |
| 2259 | ||
| 2260 | vt->cells = (TextCell *)calloc (sizeof (TextCell), vt->width*vt->total_height); | |
| 2261 | ||
| 2262 | for (i = 0; i < vt->width*vt->total_height; i++) { | |
| 2263 | vt->cells[i].ch = ' '; | |
| 2264 | vt->cells[i].attrib = vt->default_attrib; | |
| 2265 | } | |
| 2266 | ||
| 2267 | vt->altcells = (TextCell *)calloc (sizeof (TextCell), vt->width*vt->height); | |
| 2268 | ||
| 2269 | vt->screen = screen; | |
| 2270 | ||
| 2271 | screen->screenData = (void*)vt; | |
| 2272 | ||
| 2273 | //screen->autoPort = 1; | |
| 2274 | ||
| 2275 | rfbRegisterSecurityHandler(&VncSecurityHandlerVencrypt); | |
| 2276 | ||
| 2277 | rfbInitServer(screen); | |
| 2278 | ||
| 2279 | return vt; | |
| 2280 | } | |
| 2281 | ||
| 2282 | int | |
| 2283 | main (int argc, char** argv) | |
| 2284 | { | |
| 2285 | int i; | |
| 2286 | char **cmdargv = NULL; | |
| 2287 | char *command = "/bin/bash"; // execute normal shell as default | |
| 2288 | int pid; | |
| 2289 | int master; | |
| 2290 | char ptyname[1024]; | |
| 2291 | fd_set fs, fs1; | |
| 2292 | struct timeval tv, tv1; | |
| 2293 | time_t elapsed, cur_time; | |
| 2294 | struct winsize dimensions; | |
| 2295 | ||
| 2296 | if (gnutls_global_init () < 0) { | |
| 2297 | fprintf(stderr, "gnutls_global_init failed\n"); | |
| 2298 | exit(-1); | |
| 2299 | } | |
| 2300 | ||
| 2301 | if (gnutls_dh_params_init (&dh_params) < 0) { | |
| 2302 | fprintf(stderr, "gnutls_dh_params_init failed\n"); | |
| 2303 | exit(-1); | |
| 2304 | } | |
| 2305 | ||
| 2306 | if (gnutls_dh_params_generate2 (dh_params, DH_BITS) < 0) { | |
| 2307 | fprintf(stderr, "gnutls_dh_params_init failed\n"); | |
| 2308 | exit(-1); | |
| 2309 | } | |
| 2310 | ||
| 2311 | for (i = 1; i < argc; i++) { | |
| 2312 | if (!strcmp (argv[i], "-c")) { | |
| 2313 | command = argv[i+1]; | |
| 2314 | cmdargv = &argv[i+1]; | |
| 2315 | argc = i; | |
| 2316 | argv[i] = NULL; | |
| 2317 | break; | |
| 2318 | } | |
| 2319 | } | |
| 2320 | ||
| 2321 | for (i = 1; i < argc; i++) { | |
| 2322 | if (!strcmp (argv[i], "-timeout")) { | |
| 2323 | CHECK_ARGC (argc, argv, i); | |
| 2324 | idle_timeout = atoi(argv[i+1]); | |
| 2325 | rfbPurgeArguments(&argc, &i, 2, argv); | |
| 2326 | } | |
| 2327 | if (!strcmp (argv[i], "-authpath")) { | |
| 2328 | CHECK_ARGC (argc, argv, i); | |
| 2329 | auth_path = argv[i+1]; | |
| 2330 | rfbPurgeArguments(&argc, &i, 2, argv); | |
| 2331 | } | |
| 2332 | if (!strcmp (argv[i], "-perm")) { | |
| 2333 | CHECK_ARGC (argc, argv, i); | |
| 2334 | auth_perm = argv[i+1]; | |
| 2335 | rfbPurgeArguments(&argc, &i, 2, argv); | |
| 2336 | } | |
| 2337 | } | |
| 2338 | ||
| 2339 | #ifdef DEBUG | |
| 2340 | rfbLogEnable (1); | |
| 2341 | gnutls_global_set_log_level(10); | |
| 2342 | gnutls_global_set_log_function(vnc_debug_gnutls_log); | |
| 2343 | #else | |
| 2344 | rfbLogEnable (0); | |
| 2345 | #endif | |
| 2346 | ||
| 2347 | vncTerm *vt = create_vncterm (argc, argv, 745, 400); | |
| 2348 | ||
| 2349 | setlocale(LC_ALL, ""); // set from environment | |
| 2350 | ||
| 2351 | char *ctype = setlocale (LC_CTYPE, NULL); // query LC_CTYPE | |
| 2352 | ||
| 2353 | // fixme: ist there a standard way to detect utf8 mode ? | |
| 2354 | if (strcasestr (ctype, ".utf-8")||strcasestr (ctype, ".utf8")) { | |
| 2355 | vt->utf8 = 1; | |
| 2356 | } | |
| 2357 | ||
| 2358 | dimensions.ws_col = vt->width; | |
| 2359 | dimensions.ws_row = vt->height; | |
| 2360 | ||
| e6d0212c DM |
2361 | setenv ("TERM", TERM, 1); |
| 2362 | ||
| 2363 | pid = forkpty (&master, ptyname, NULL, &dimensions); | |
| 2364 | if(!pid) { | |
| 2365 | ||
| 2366 | // install default signal handlers | |
| 2367 | signal (SIGQUIT, SIG_DFL); | |
| 2368 | signal (SIGTERM, SIG_DFL); | |
| 2369 | signal (SIGINT, SIG_DFL); | |
| 2370 | ||
| 2371 | if (cmdargv) { | |
| 2372 | execvp (command, cmdargv); | |
| 2373 | } else { | |
| 2374 | execlp (command, command, NULL); | |
| 2375 | } | |
| 2376 | perror ("Error: exec failed\n"); | |
| 2377 | exit (-1); // should not be reached | |
| 2378 | } else if (pid == -1) { | |
| 2379 | perror ("Error: fork failed\n"); | |
| 2380 | exit (-1); | |
| 2381 | } | |
| 2382 | ||
| 2383 | FD_ZERO (&fs); | |
| 2384 | FD_SET (master, &fs); | |
| 2385 | tv.tv_sec = 0; | |
| 2386 | tv.tv_usec = 5000; /* 5 ms */ | |
| 2387 | ||
| 2388 | last_time = time (NULL); | |
| 2389 | ||
| 2390 | int count = 0; | |
| 2391 | while (1) { | |
| 2392 | count ++; | |
| 2393 | tv1 = tv; | |
| 2394 | fs1 = fs; | |
| 2395 | ||
| 2396 | cur_time = time (NULL); | |
| 2397 | ||
| 2398 | elapsed = cur_time - last_time; | |
| 2399 | //printf ("Elapsed %ld\n", elapsed); | |
| 2400 | ||
| 2401 | if (last_client) { | |
| 2402 | if (client_connected) { | |
| 2403 | if (idle_timeout && (elapsed >= idle_timeout)) { | |
| 2404 | break; | |
| 2405 | } | |
| 2406 | } else { | |
| 2407 | // wait at least 20 seconds for initial connect | |
| 2408 | if (idle_timeout && (elapsed >= (idle_timeout > 20 ? idle_timeout : 20))) { | |
| 2409 | break; | |
| 2410 | } | |
| 2411 | } | |
| 2412 | } else { | |
| 2413 | // exit after 30 minutes idle time | |
| 2414 | if (elapsed >= 30*60) { | |
| 2415 | break; | |
| 2416 | } | |
| 2417 | } | |
| 2418 | ||
| 2419 | rfbProcessEvents (vt->screen, 40000); /* 40 ms */ | |
| 2420 | ||
| 2421 | if (vt->ibuf_count > 0) { | |
| 2422 | //printf ("DEBUG: WRITE %d %d\n", vt->ibuf[0], vt->ibuf_count); | |
| 2423 | write (master, vt->ibuf, vt->ibuf_count); | |
| 2424 | vt->ibuf_count = 0; | |
| 2425 | last_time = time (NULL); | |
| 2426 | } | |
| 2427 | ||
| 2428 | if (!vt->mark_active) { | |
| 2429 | ||
| 2430 | int num_fds = select (master+1, &fs1, NULL, NULL, &tv1); | |
| 2431 | if (num_fds >= 0) { | |
| 2432 | if (FD_ISSET (master, &fs1)) { | |
| 2433 | char buffer[1024]; | |
| 2434 | int c; | |
| 2435 | while ((c = read (master, buffer, 1024)) == -1) { | |
| 2436 | if (errno != EAGAIN) break; | |
| 2437 | } | |
| 2438 | if (c == -1) break; | |
| 2439 | vncterm_puts (vt, buffer, c); | |
| 2440 | } | |
| 2441 | } else { | |
| 2442 | break; | |
| 2443 | } | |
| 2444 | } | |
| 2445 | } | |
| 2446 | ||
| 2447 | kill (pid, 9); | |
| 2448 | int status; | |
| 2449 | waitpid(pid, &status, 0); | |
| 2450 | ||
| 2451 | exit (0); | |
| 2452 | } |