Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* crypto/bio/bss_conn.c */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This package is an SSL implementation written |
| 6 | * by Eric Young (eay@cryptsoft.com). |
| 7 | * The implementation was written so as to conform with Netscapes SSL. |
| 8 | * |
| 9 | * This library is free for commercial and non-commercial use as long as |
| 10 | * the following conditions are aheared to. The following conditions |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 13 | * included with this distribution is covered by the same copyright terms |
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 15 | * |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 17 | * the code are not to be removed. |
| 18 | * If this package is used in a product, Eric Young should be given attribution |
| 19 | * as the author of the parts of the library used. |
| 20 | * This can be in the form of a textual message at program startup or |
| 21 | * in documentation (online or textual) provided with the package. |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * 1. Redistributions of source code must retain the copyright |
| 27 | * notice, this list of conditions and the following disclaimer. |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
| 29 | * notice, this list of conditions and the following disclaimer in the |
| 30 | * documentation and/or other materials provided with the distribution. |
| 31 | * 3. All advertising materials mentioning features or use of this software |
| 32 | * must display the following acknowledgement: |
| 33 | * "This product includes cryptographic software written by |
| 34 | * Eric Young (eay@cryptsoft.com)" |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
| 36 | * being used are not cryptographic related :-). |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 38 | * the apps directory (application code) you must include an acknowledgement: |
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 40 | * |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 51 | * SUCH DAMAGE. |
| 52 | * |
| 53 | * The licence and distribution terms for any publically available version or |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 55 | * copied and put under another distribution licence |
| 56 | * [including the GNU Public Licence.] |
| 57 | */ |
| 58 | |
| 59 | #include <stdio.h> |
| 60 | #include <errno.h> |
| 61 | #define USE_SOCKETS |
| 62 | #include "cryptlib.h" |
| 63 | #include <openssl/bio.h> |
| 64 | |
| 65 | #ifndef OPENSSL_NO_SOCK |
| 66 | |
| 67 | #ifdef OPENSSL_SYS_WIN16 |
| 68 | #define SOCKET_PROTOCOL 0 /* more microsoft stupidity */ |
| 69 | #else |
| 70 | #define SOCKET_PROTOCOL IPPROTO_TCP |
| 71 | #endif |
| 72 | |
| 73 | #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) |
| 74 | /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ |
| 75 | #undef FIONBIO |
| 76 | #endif |
| 77 | |
| 78 | |
| 79 | typedef struct bio_connect_st |
| 80 | { |
| 81 | int state; |
| 82 | |
| 83 | char *param_hostname; |
| 84 | char *param_port; |
| 85 | int nbio; |
| 86 | |
| 87 | unsigned char ip[4]; |
| 88 | unsigned short port; |
| 89 | |
| 90 | struct sockaddr_in them; |
| 91 | |
| 92 | /* int socket; this will be kept in bio->num so that it is |
| 93 | * compatible with the bss_sock bio */ |
| 94 | |
| 95 | /* called when the connection is initially made |
| 96 | * callback(BIO,state,ret); The callback should return |
| 97 | * 'ret'. state is for compatibility with the ssl info_callback */ |
| 98 | int (*info_callback)(const BIO *bio,int state,int ret); |
| 99 | } BIO_CONNECT; |
| 100 | |
| 101 | static int conn_write(BIO *h, const char *buf, int num); |
| 102 | static int conn_read(BIO *h, char *buf, int size); |
| 103 | static int conn_puts(BIO *h, const char *str); |
| 104 | static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2); |
| 105 | static int conn_new(BIO *h); |
| 106 | static int conn_free(BIO *data); |
| 107 | static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *); |
| 108 | |
| 109 | static int conn_state(BIO *b, BIO_CONNECT *c); |
| 110 | static void conn_close_socket(BIO *data); |
| 111 | BIO_CONNECT *BIO_CONNECT_new(void ); |
| 112 | void BIO_CONNECT_free(BIO_CONNECT *a); |
| 113 | |
| 114 | static BIO_METHOD methods_connectp= |
| 115 | { |
| 116 | BIO_TYPE_CONNECT, |
| 117 | "socket connect", |
| 118 | conn_write, |
| 119 | conn_read, |
| 120 | conn_puts, |
| 121 | NULL, /* connect_gets, */ |
| 122 | conn_ctrl, |
| 123 | conn_new, |
| 124 | conn_free, |
| 125 | conn_callback_ctrl, |
| 126 | }; |
| 127 | |
| 128 | static int conn_state(BIO *b, BIO_CONNECT *c) |
| 129 | { |
| 130 | int ret= -1,i; |
| 131 | unsigned long l; |
| 132 | char *p,*q; |
| 133 | int (*cb)(const BIO *,int,int)=NULL; |
| 134 | |
| 135 | if (c->info_callback != NULL) |
| 136 | cb=c->info_callback; |
| 137 | |
| 138 | for (;;) |
| 139 | { |
| 140 | switch (c->state) |
| 141 | { |
| 142 | case BIO_CONN_S_BEFORE: |
| 143 | p=c->param_hostname; |
| 144 | if (p == NULL) |
| 145 | { |
| 146 | BIOerr(BIO_F_CONN_STATE,BIO_R_NO_HOSTNAME_SPECIFIED); |
| 147 | goto exit_loop; |
| 148 | } |
| 149 | for ( ; *p != '\0'; p++) |
| 150 | { |
| 151 | if ((*p == ':') || (*p == '/')) break; |
| 152 | } |
| 153 | |
| 154 | i= *p; |
| 155 | if ((i == ':') || (i == '/')) |
| 156 | { |
| 157 | |
| 158 | *(p++)='\0'; |
| 159 | if (i == ':') |
| 160 | { |
| 161 | for (q=p; *q; q++) |
| 162 | if (*q == '/') |
| 163 | { |
| 164 | *q='\0'; |
| 165 | break; |
| 166 | } |
| 167 | if (c->param_port != NULL) |
| 168 | OPENSSL_free(c->param_port); |
| 169 | c->param_port=BUF_strdup(p); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | if (c->param_port == NULL) |
| 174 | { |
| 175 | BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED); |
| 176 | ERR_add_error_data(2,"host=",c->param_hostname); |
| 177 | goto exit_loop; |
| 178 | } |
| 179 | c->state=BIO_CONN_S_GET_IP; |
| 180 | break; |
| 181 | |
| 182 | case BIO_CONN_S_GET_IP: |
| 183 | if (BIO_get_host_ip(c->param_hostname,&(c->ip[0])) <= 0) |
| 184 | goto exit_loop; |
| 185 | c->state=BIO_CONN_S_GET_PORT; |
| 186 | break; |
| 187 | |
| 188 | case BIO_CONN_S_GET_PORT: |
| 189 | if (c->param_port == NULL) |
| 190 | { |
| 191 | /* abort(); */ |
| 192 | goto exit_loop; |
| 193 | } |
| 194 | else if (BIO_get_port(c->param_port,&c->port) <= 0) |
| 195 | goto exit_loop; |
| 196 | c->state=BIO_CONN_S_CREATE_SOCKET; |
| 197 | break; |
| 198 | |
| 199 | case BIO_CONN_S_CREATE_SOCKET: |
| 200 | /* now setup address */ |
| 201 | memset((char *)&c->them,0,sizeof(c->them)); |
| 202 | c->them.sin_family=AF_INET; |
| 203 | c->them.sin_port=htons((unsigned short)c->port); |
| 204 | l=(unsigned long) |
| 205 | ((unsigned long)c->ip[0]<<24L)| |
| 206 | ((unsigned long)c->ip[1]<<16L)| |
| 207 | ((unsigned long)c->ip[2]<< 8L)| |
| 208 | ((unsigned long)c->ip[3]); |
| 209 | c->them.sin_addr.s_addr=htonl(l); |
| 210 | c->state=BIO_CONN_S_CREATE_SOCKET; |
| 211 | |
| 212 | ret=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL); |
| 213 | if (ret == INVALID_SOCKET) |
| 214 | { |
| 215 | SYSerr(SYS_F_SOCKET,get_last_socket_error()); |
| 216 | ERR_add_error_data(4,"host=",c->param_hostname, |
| 217 | ":",c->param_port); |
| 218 | BIOerr(BIO_F_CONN_STATE,BIO_R_UNABLE_TO_CREATE_SOCKET); |
| 219 | goto exit_loop; |
| 220 | } |
| 221 | b->num=ret; |
| 222 | c->state=BIO_CONN_S_NBIO; |
| 223 | break; |
| 224 | |
| 225 | case BIO_CONN_S_NBIO: |
| 226 | if (c->nbio) |
| 227 | { |
| 228 | if (!BIO_socket_nbio(b->num,1)) |
| 229 | { |
| 230 | BIOerr(BIO_F_CONN_STATE,BIO_R_ERROR_SETTING_NBIO); |
| 231 | ERR_add_error_data(4,"host=", |
| 232 | c->param_hostname, |
| 233 | ":",c->param_port); |
| 234 | goto exit_loop; |
| 235 | } |
| 236 | } |
| 237 | c->state=BIO_CONN_S_CONNECT; |
| 238 | |
| 239 | #if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE) |
| 240 | i=1; |
| 241 | i=setsockopt(b->num,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i)); |
| 242 | if (i < 0) |
| 243 | { |
| 244 | SYSerr(SYS_F_SOCKET,get_last_socket_error()); |
| 245 | ERR_add_error_data(4,"host=",c->param_hostname, |
| 246 | ":",c->param_port); |
| 247 | BIOerr(BIO_F_CONN_STATE,BIO_R_KEEPALIVE); |
| 248 | goto exit_loop; |
| 249 | } |
| 250 | #endif |
| 251 | break; |
| 252 | |
| 253 | case BIO_CONN_S_CONNECT: |
| 254 | BIO_clear_retry_flags(b); |
| 255 | ret=connect(b->num, |
| 256 | (struct sockaddr *)&c->them, |
| 257 | sizeof(c->them)); |
| 258 | b->retry_reason=0; |
| 259 | if (ret < 0) |
| 260 | { |
| 261 | if (BIO_sock_should_retry(ret)) |
| 262 | { |
| 263 | BIO_set_retry_special(b); |
| 264 | c->state=BIO_CONN_S_BLOCKED_CONNECT; |
| 265 | b->retry_reason=BIO_RR_CONNECT; |
| 266 | } |
| 267 | else |
| 268 | { |
| 269 | SYSerr(SYS_F_CONNECT,get_last_socket_error()); |
| 270 | ERR_add_error_data(4,"host=", |
| 271 | c->param_hostname, |
| 272 | ":",c->param_port); |
| 273 | BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR); |
| 274 | } |
| 275 | goto exit_loop; |
| 276 | } |
| 277 | else |
| 278 | c->state=BIO_CONN_S_OK; |
| 279 | break; |
| 280 | |
| 281 | case BIO_CONN_S_BLOCKED_CONNECT: |
| 282 | i=BIO_sock_error(b->num); |
| 283 | if (i) |
| 284 | { |
| 285 | BIO_clear_retry_flags(b); |
| 286 | SYSerr(SYS_F_CONNECT,i); |
| 287 | ERR_add_error_data(4,"host=", |
| 288 | c->param_hostname, |
| 289 | ":",c->param_port); |
| 290 | BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR); |
| 291 | ret=0; |
| 292 | goto exit_loop; |
| 293 | } |
| 294 | else |
| 295 | c->state=BIO_CONN_S_OK; |
| 296 | break; |
| 297 | |
| 298 | case BIO_CONN_S_OK: |
| 299 | ret=1; |
| 300 | goto exit_loop; |
| 301 | default: |
| 302 | /* abort(); */ |
| 303 | goto exit_loop; |
| 304 | } |
| 305 | |
| 306 | if (cb != NULL) |
| 307 | { |
| 308 | if (!(ret=cb((BIO *)b,c->state,ret))) |
| 309 | goto end; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | /* Loop does not exit */ |
| 314 | exit_loop: |
| 315 | if (cb != NULL) |
| 316 | ret=cb((BIO *)b,c->state,ret); |
| 317 | end: |
| 318 | return(ret); |
| 319 | } |
| 320 | |
| 321 | BIO_CONNECT *BIO_CONNECT_new(void) |
| 322 | { |
| 323 | BIO_CONNECT *ret; |
| 324 | |
| 325 | if ((ret=(BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL) |
| 326 | return(NULL); |
| 327 | ret->state=BIO_CONN_S_BEFORE; |
| 328 | ret->param_hostname=NULL; |
| 329 | ret->param_port=NULL; |
| 330 | ret->info_callback=NULL; |
| 331 | ret->nbio=0; |
| 332 | ret->ip[0]=0; |
| 333 | ret->ip[1]=0; |
| 334 | ret->ip[2]=0; |
| 335 | ret->ip[3]=0; |
| 336 | ret->port=0; |
| 337 | memset((char *)&ret->them,0,sizeof(ret->them)); |
| 338 | return(ret); |
| 339 | } |
| 340 | |
| 341 | void BIO_CONNECT_free(BIO_CONNECT *a) |
| 342 | { |
| 343 | if(a == NULL) |
| 344 | return; |
| 345 | |
| 346 | if (a->param_hostname != NULL) |
| 347 | OPENSSL_free(a->param_hostname); |
| 348 | if (a->param_port != NULL) |
| 349 | OPENSSL_free(a->param_port); |
| 350 | OPENSSL_free(a); |
| 351 | } |
| 352 | |
| 353 | BIO_METHOD *BIO_s_connect(void) |
| 354 | { |
| 355 | return(&methods_connectp); |
| 356 | } |
| 357 | |
| 358 | static int conn_new(BIO *bi) |
| 359 | { |
| 360 | bi->init=0; |
| 361 | bi->num=INVALID_SOCKET; |
| 362 | bi->flags=0; |
| 363 | if ((bi->ptr=(char *)BIO_CONNECT_new()) == NULL) |
| 364 | return(0); |
| 365 | else |
| 366 | return(1); |
| 367 | } |
| 368 | |
| 369 | static void conn_close_socket(BIO *bio) |
| 370 | { |
| 371 | BIO_CONNECT *c; |
| 372 | |
| 373 | c=(BIO_CONNECT *)bio->ptr; |
| 374 | if (bio->num != INVALID_SOCKET) |
| 375 | { |
| 376 | /* Only do a shutdown if things were established */ |
| 377 | if (c->state == BIO_CONN_S_OK) |
| 378 | shutdown(bio->num,2); |
| 379 | closesocket(bio->num); |
| 380 | bio->num=INVALID_SOCKET; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | static int conn_free(BIO *a) |
| 385 | { |
| 386 | BIO_CONNECT *data; |
| 387 | |
| 388 | if (a == NULL) return(0); |
| 389 | data=(BIO_CONNECT *)a->ptr; |
| 390 | |
| 391 | if (a->shutdown) |
| 392 | { |
| 393 | conn_close_socket(a); |
| 394 | BIO_CONNECT_free(data); |
| 395 | a->ptr=NULL; |
| 396 | a->flags=0; |
| 397 | a->init=0; |
| 398 | } |
| 399 | return(1); |
| 400 | } |
| 401 | |
| 402 | static int conn_read(BIO *b, char *out, int outl) |
| 403 | { |
| 404 | int ret=0; |
| 405 | BIO_CONNECT *data; |
| 406 | |
| 407 | data=(BIO_CONNECT *)b->ptr; |
| 408 | if (data->state != BIO_CONN_S_OK) |
| 409 | { |
| 410 | ret=conn_state(b,data); |
| 411 | if (ret <= 0) |
| 412 | return(ret); |
| 413 | } |
| 414 | |
| 415 | if (out != NULL) |
| 416 | { |
| 417 | clear_socket_error(); |
| 418 | ret=readsocket(b->num,out,outl); |
| 419 | BIO_clear_retry_flags(b); |
| 420 | if (ret <= 0) |
| 421 | { |
| 422 | if (BIO_sock_should_retry(ret)) |
| 423 | BIO_set_retry_read(b); |
| 424 | } |
| 425 | } |
| 426 | return(ret); |
| 427 | } |
| 428 | |
| 429 | static int conn_write(BIO *b, const char *in, int inl) |
| 430 | { |
| 431 | int ret; |
| 432 | BIO_CONNECT *data; |
| 433 | |
| 434 | data=(BIO_CONNECT *)b->ptr; |
| 435 | if (data->state != BIO_CONN_S_OK) |
| 436 | { |
| 437 | ret=conn_state(b,data); |
| 438 | if (ret <= 0) return(ret); |
| 439 | } |
| 440 | |
| 441 | clear_socket_error(); |
| 442 | ret=writesocket(b->num,in,inl); |
| 443 | BIO_clear_retry_flags(b); |
| 444 | if (ret <= 0) |
| 445 | { |
| 446 | if (BIO_sock_should_retry(ret)) |
| 447 | BIO_set_retry_write(b); |
| 448 | } |
| 449 | return(ret); |
| 450 | } |
| 451 | |
| 452 | static long conn_ctrl(BIO *b, int cmd, long num, void *ptr) |
| 453 | { |
| 454 | BIO *dbio; |
| 455 | int *ip; |
| 456 | const char **pptr; |
| 457 | long ret=1; |
| 458 | BIO_CONNECT *data; |
| 459 | |
| 460 | data=(BIO_CONNECT *)b->ptr; |
| 461 | |
| 462 | switch (cmd) |
| 463 | { |
| 464 | case BIO_CTRL_RESET: |
| 465 | ret=0; |
| 466 | data->state=BIO_CONN_S_BEFORE; |
| 467 | conn_close_socket(b); |
| 468 | b->flags=0; |
| 469 | break; |
| 470 | case BIO_C_DO_STATE_MACHINE: |
| 471 | /* use this one to start the connection */ |
| 472 | if (data->state != BIO_CONN_S_OK) |
| 473 | ret=(long)conn_state(b,data); |
| 474 | else |
| 475 | ret=1; |
| 476 | break; |
| 477 | case BIO_C_GET_CONNECT: |
| 478 | if (ptr != NULL) |
| 479 | { |
| 480 | pptr=(const char **)ptr; |
| 481 | if (num == 0) |
| 482 | { |
| 483 | *pptr=data->param_hostname; |
| 484 | |
| 485 | } |
| 486 | else if (num == 1) |
| 487 | { |
| 488 | *pptr=data->param_port; |
| 489 | } |
| 490 | else if (num == 2) |
| 491 | { |
| 492 | *pptr= (char *)&(data->ip[0]); |
| 493 | } |
| 494 | else if (num == 3) |
| 495 | { |
| 496 | *((int *)ptr)=data->port; |
| 497 | } |
| 498 | if ((!b->init) || (ptr == NULL)) |
| 499 | *pptr="not initialized"; |
| 500 | ret=1; |
| 501 | } |
| 502 | break; |
| 503 | case BIO_C_SET_CONNECT: |
| 504 | if (ptr != NULL) |
| 505 | { |
| 506 | b->init=1; |
| 507 | if (num == 0) |
| 508 | { |
| 509 | if (data->param_hostname != NULL) |
| 510 | OPENSSL_free(data->param_hostname); |
| 511 | data->param_hostname=BUF_strdup(ptr); |
| 512 | } |
| 513 | else if (num == 1) |
| 514 | { |
| 515 | if (data->param_port != NULL) |
| 516 | OPENSSL_free(data->param_port); |
| 517 | data->param_port=BUF_strdup(ptr); |
| 518 | } |
| 519 | else if (num == 2) |
| 520 | { |
| 521 | char buf[16]; |
| 522 | unsigned char *p = ptr; |
| 523 | |
| 524 | BIO_snprintf(buf,sizeof buf,"%d.%d.%d.%d", |
| 525 | p[0],p[1],p[2],p[3]); |
| 526 | if (data->param_hostname != NULL) |
| 527 | OPENSSL_free(data->param_hostname); |
| 528 | data->param_hostname=BUF_strdup(buf); |
| 529 | memcpy(&(data->ip[0]),ptr,4); |
| 530 | } |
| 531 | else if (num == 3) |
| 532 | { |
| 533 | char buf[DECIMAL_SIZE(int)+1]; |
| 534 | |
| 535 | BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr); |
| 536 | if (data->param_port != NULL) |
| 537 | OPENSSL_free(data->param_port); |
| 538 | data->param_port=BUF_strdup(buf); |
| 539 | data->port= *(int *)ptr; |
| 540 | } |
| 541 | } |
| 542 | break; |
| 543 | case BIO_C_SET_NBIO: |
| 544 | data->nbio=(int)num; |
| 545 | break; |
| 546 | case BIO_C_GET_FD: |
| 547 | if (b->init) |
| 548 | { |
| 549 | ip=(int *)ptr; |
| 550 | if (ip != NULL) |
| 551 | *ip=b->num; |
| 552 | ret=b->num; |
| 553 | } |
| 554 | else |
| 555 | ret= -1; |
| 556 | break; |
| 557 | case BIO_CTRL_GET_CLOSE: |
| 558 | ret=b->shutdown; |
| 559 | break; |
| 560 | case BIO_CTRL_SET_CLOSE: |
| 561 | b->shutdown=(int)num; |
| 562 | break; |
| 563 | case BIO_CTRL_PENDING: |
| 564 | case BIO_CTRL_WPENDING: |
| 565 | ret=0; |
| 566 | break; |
| 567 | case BIO_CTRL_FLUSH: |
| 568 | break; |
| 569 | case BIO_CTRL_DUP: |
| 570 | { |
| 571 | dbio=(BIO *)ptr; |
| 572 | if (data->param_port) |
| 573 | BIO_set_conn_port(dbio,data->param_port); |
| 574 | if (data->param_hostname) |
| 575 | BIO_set_conn_hostname(dbio,data->param_hostname); |
| 576 | BIO_set_nbio(dbio,data->nbio); |
| 577 | /* FIXME: the cast of the function seems unlikely to be a good idea */ |
| 578 | (void)BIO_set_info_callback(dbio,(bio_info_cb *)data->info_callback); |
| 579 | } |
| 580 | break; |
| 581 | case BIO_CTRL_SET_CALLBACK: |
| 582 | { |
| 583 | #if 0 /* FIXME: Should this be used? -- Richard Levitte */ |
| 584 | BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
| 585 | ret = -1; |
| 586 | #else |
| 587 | ret=0; |
| 588 | #endif |
| 589 | } |
| 590 | break; |
| 591 | case BIO_CTRL_GET_CALLBACK: |
| 592 | { |
| 593 | int (**fptr)(const BIO *bio,int state,int xret); |
| 594 | |
| 595 | fptr=(int (**)(const BIO *bio,int state,int xret))ptr; |
| 596 | *fptr=data->info_callback; |
| 597 | } |
| 598 | break; |
| 599 | default: |
| 600 | ret=0; |
| 601 | break; |
| 602 | } |
| 603 | return(ret); |
| 604 | } |
| 605 | |
| 606 | static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) |
| 607 | { |
| 608 | long ret=1; |
| 609 | BIO_CONNECT *data; |
| 610 | |
| 611 | data=(BIO_CONNECT *)b->ptr; |
| 612 | |
| 613 | switch (cmd) |
| 614 | { |
| 615 | case BIO_CTRL_SET_CALLBACK: |
| 616 | { |
| 617 | data->info_callback=(int (*)(const struct bio_st *, int, int))fp; |
| 618 | } |
| 619 | break; |
| 620 | default: |
| 621 | ret=0; |
| 622 | break; |
| 623 | } |
| 624 | return(ret); |
| 625 | } |
| 626 | |
| 627 | static int conn_puts(BIO *bp, const char *str) |
| 628 | { |
| 629 | int n,ret; |
| 630 | |
| 631 | n=strlen(str); |
| 632 | ret=conn_write(bp,str,n); |
| 633 | return(ret); |
| 634 | } |
| 635 | |
| 636 | BIO *BIO_new_connect(char *str) |
| 637 | { |
| 638 | BIO *ret; |
| 639 | |
| 640 | ret=BIO_new(BIO_s_connect()); |
| 641 | if (ret == NULL) return(NULL); |
| 642 | if (BIO_set_conn_hostname(ret,str)) |
| 643 | return(ret); |
| 644 | else |
| 645 | { |
| 646 | BIO_free(ret); |
| 647 | return(NULL); |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | #endif |
| 652 | |