diff options
Diffstat (limited to 'src/lib/libcrypto/bio/b_sock.c')
| -rw-r--r-- | src/lib/libcrypto/bio/b_sock.c | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bio/b_sock.c b/src/lib/libcrypto/bio/b_sock.c new file mode 100644 index 0000000000..dcaef68ea7 --- /dev/null +++ b/src/lib/libcrypto/bio/b_sock.c | |||
| @@ -0,0 +1,736 @@ | |||
| 1 | /* crypto/bio/b_sock.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 | #ifndef OPENSSL_NO_SOCK | ||
| 60 | |||
| 61 | #include <stdio.h> | ||
| 62 | #include <stdlib.h> | ||
| 63 | #include <errno.h> | ||
| 64 | #define USE_SOCKETS | ||
| 65 | #include "cryptlib.h" | ||
| 66 | #include <openssl/bio.h> | ||
| 67 | |||
| 68 | #ifdef OPENSSL_SYS_WIN16 | ||
| 69 | #define SOCKET_PROTOCOL 0 /* more microsoft stupidity */ | ||
| 70 | #else | ||
| 71 | #define SOCKET_PROTOCOL IPPROTO_TCP | ||
| 72 | #endif | ||
| 73 | |||
| 74 | #ifdef SO_MAXCONN | ||
| 75 | #define MAX_LISTEN SO_MAXCONN | ||
| 76 | #elif defined(SOMAXCONN) | ||
| 77 | #define MAX_LISTEN SOMAXCONN | ||
| 78 | #else | ||
| 79 | #define MAX_LISTEN 32 | ||
| 80 | #endif | ||
| 81 | |||
| 82 | #ifdef OPENSSL_SYS_WINDOWS | ||
| 83 | static int wsa_init_done=0; | ||
| 84 | #endif | ||
| 85 | |||
| 86 | static unsigned long BIO_ghbn_hits=0L; | ||
| 87 | static unsigned long BIO_ghbn_miss=0L; | ||
| 88 | |||
| 89 | #define GHBN_NUM 4 | ||
| 90 | static struct ghbn_cache_st | ||
| 91 | { | ||
| 92 | char name[129]; | ||
| 93 | struct hostent *ent; | ||
| 94 | unsigned long order; | ||
| 95 | } ghbn_cache[GHBN_NUM]; | ||
| 96 | |||
| 97 | static int get_ip(const char *str,unsigned char *ip); | ||
| 98 | #if 0 | ||
| 99 | static void ghbn_free(struct hostent *a); | ||
| 100 | static struct hostent *ghbn_dup(struct hostent *a); | ||
| 101 | #endif | ||
| 102 | int BIO_get_host_ip(const char *str, unsigned char *ip) | ||
| 103 | { | ||
| 104 | int i; | ||
| 105 | int err = 1; | ||
| 106 | int locked = 0; | ||
| 107 | struct hostent *he; | ||
| 108 | |||
| 109 | i=get_ip(str,ip); | ||
| 110 | if (i < 0) | ||
| 111 | { | ||
| 112 | BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS); | ||
| 113 | goto err; | ||
| 114 | } | ||
| 115 | |||
| 116 | /* At this point, we have something that is most probably correct | ||
| 117 | in some way, so let's init the socket. */ | ||
| 118 | if (BIO_sock_init() != 1) | ||
| 119 | return 0; /* don't generate another error code here */ | ||
| 120 | |||
| 121 | /* If the string actually contained an IP address, we need not do | ||
| 122 | anything more */ | ||
| 123 | if (i > 0) return(1); | ||
| 124 | |||
| 125 | /* do a gethostbyname */ | ||
| 126 | CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); | ||
| 127 | locked = 1; | ||
| 128 | he=BIO_gethostbyname(str); | ||
| 129 | if (he == NULL) | ||
| 130 | { | ||
| 131 | BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP); | ||
| 132 | goto err; | ||
| 133 | } | ||
| 134 | |||
| 135 | /* cast to short because of win16 winsock definition */ | ||
| 136 | if ((short)he->h_addrtype != AF_INET) | ||
| 137 | { | ||
| 138 | BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET); | ||
| 139 | goto err; | ||
| 140 | } | ||
| 141 | for (i=0; i<4; i++) | ||
| 142 | ip[i]=he->h_addr_list[0][i]; | ||
| 143 | err = 0; | ||
| 144 | |||
| 145 | err: | ||
| 146 | if (locked) | ||
| 147 | CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); | ||
| 148 | if (err) | ||
| 149 | { | ||
| 150 | ERR_add_error_data(2,"host=",str); | ||
| 151 | return 0; | ||
| 152 | } | ||
| 153 | else | ||
| 154 | return 1; | ||
| 155 | } | ||
| 156 | |||
| 157 | int BIO_get_port(const char *str, unsigned short *port_ptr) | ||
| 158 | { | ||
| 159 | int i; | ||
| 160 | struct servent *s; | ||
| 161 | |||
| 162 | if (str == NULL) | ||
| 163 | { | ||
| 164 | BIOerr(BIO_F_BIO_GET_PORT,BIO_R_NO_PORT_DEFINED); | ||
| 165 | return(0); | ||
| 166 | } | ||
| 167 | i=atoi(str); | ||
| 168 | if (i != 0) | ||
| 169 | *port_ptr=(unsigned short)i; | ||
| 170 | else | ||
| 171 | { | ||
| 172 | CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME); | ||
| 173 | /* Note: under VMS with SOCKETSHR, it seems like the first | ||
| 174 | * parameter is 'char *', instead of 'const char *' | ||
| 175 | */ | ||
| 176 | s=getservbyname( | ||
| 177 | #ifndef CONST_STRICT | ||
| 178 | (char *) | ||
| 179 | #endif | ||
| 180 | str,"tcp"); | ||
| 181 | if(s != NULL) | ||
| 182 | *port_ptr=ntohs((unsigned short)s->s_port); | ||
| 183 | CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME); | ||
| 184 | if(s == NULL) | ||
| 185 | { | ||
| 186 | if (strcmp(str,"http") == 0) | ||
| 187 | *port_ptr=80; | ||
| 188 | else if (strcmp(str,"telnet") == 0) | ||
| 189 | *port_ptr=23; | ||
| 190 | else if (strcmp(str,"socks") == 0) | ||
| 191 | *port_ptr=1080; | ||
| 192 | else if (strcmp(str,"https") == 0) | ||
| 193 | *port_ptr=443; | ||
| 194 | else if (strcmp(str,"ssl") == 0) | ||
| 195 | *port_ptr=443; | ||
| 196 | else if (strcmp(str,"ftp") == 0) | ||
| 197 | *port_ptr=21; | ||
| 198 | else if (strcmp(str,"gopher") == 0) | ||
| 199 | *port_ptr=70; | ||
| 200 | #if 0 | ||
| 201 | else if (strcmp(str,"wais") == 0) | ||
| 202 | *port_ptr=21; | ||
| 203 | #endif | ||
| 204 | else | ||
| 205 | { | ||
| 206 | SYSerr(SYS_F_GETSERVBYNAME,get_last_socket_error()); | ||
| 207 | ERR_add_error_data(3,"service='",str,"'"); | ||
| 208 | return(0); | ||
| 209 | } | ||
| 210 | } | ||
| 211 | } | ||
| 212 | return(1); | ||
| 213 | } | ||
| 214 | |||
| 215 | int BIO_sock_error(int sock) | ||
| 216 | { | ||
| 217 | int j,i; | ||
| 218 | int size; | ||
| 219 | |||
| 220 | size=sizeof(int); | ||
| 221 | /* Note: under Windows the third parameter is of type (char *) | ||
| 222 | * whereas under other systems it is (void *) if you don't have | ||
| 223 | * a cast it will choke the compiler: if you do have a cast then | ||
| 224 | * you can either go for (char *) or (void *). | ||
| 225 | */ | ||
| 226 | i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(void *)&j,(void *)&size); | ||
| 227 | if (i < 0) | ||
| 228 | return(1); | ||
| 229 | else | ||
| 230 | return(j); | ||
| 231 | } | ||
| 232 | |||
| 233 | long BIO_ghbn_ctrl(int cmd, int iarg, char *parg) | ||
| 234 | { | ||
| 235 | int i; | ||
| 236 | char **p; | ||
| 237 | |||
| 238 | switch (cmd) | ||
| 239 | { | ||
| 240 | case BIO_GHBN_CTRL_HITS: | ||
| 241 | return(BIO_ghbn_hits); | ||
| 242 | /* break; */ | ||
| 243 | case BIO_GHBN_CTRL_MISSES: | ||
| 244 | return(BIO_ghbn_miss); | ||
| 245 | /* break; */ | ||
| 246 | case BIO_GHBN_CTRL_CACHE_SIZE: | ||
| 247 | return(GHBN_NUM); | ||
| 248 | /* break; */ | ||
| 249 | case BIO_GHBN_CTRL_GET_ENTRY: | ||
| 250 | if ((iarg >= 0) && (iarg <GHBN_NUM) && | ||
| 251 | (ghbn_cache[iarg].order > 0)) | ||
| 252 | { | ||
| 253 | p=(char **)parg; | ||
| 254 | if (p == NULL) return(0); | ||
| 255 | *p=ghbn_cache[iarg].name; | ||
| 256 | ghbn_cache[iarg].name[128]='\0'; | ||
| 257 | return(1); | ||
| 258 | } | ||
| 259 | return(0); | ||
| 260 | /* break; */ | ||
| 261 | case BIO_GHBN_CTRL_FLUSH: | ||
| 262 | for (i=0; i<GHBN_NUM; i++) | ||
| 263 | ghbn_cache[i].order=0; | ||
| 264 | break; | ||
| 265 | default: | ||
| 266 | return(0); | ||
| 267 | } | ||
| 268 | return(1); | ||
| 269 | } | ||
| 270 | |||
| 271 | #if 0 | ||
| 272 | static struct hostent *ghbn_dup(struct hostent *a) | ||
| 273 | { | ||
| 274 | struct hostent *ret; | ||
| 275 | int i,j; | ||
| 276 | |||
| 277 | MemCheck_off(); | ||
| 278 | ret=(struct hostent *)OPENSSL_malloc(sizeof(struct hostent)); | ||
| 279 | if (ret == NULL) return(NULL); | ||
| 280 | memset(ret,0,sizeof(struct hostent)); | ||
| 281 | |||
| 282 | for (i=0; a->h_aliases[i] != NULL; i++) | ||
| 283 | ; | ||
| 284 | i++; | ||
| 285 | ret->h_aliases = (char **)OPENSSL_malloc(i*sizeof(char *)); | ||
| 286 | if (ret->h_aliases == NULL) | ||
| 287 | goto err; | ||
| 288 | memset(ret->h_aliases, 0, i*sizeof(char *)); | ||
| 289 | |||
| 290 | for (i=0; a->h_addr_list[i] != NULL; i++) | ||
| 291 | ; | ||
| 292 | i++; | ||
| 293 | ret->h_addr_list=(char **)OPENSSL_malloc(i*sizeof(char *)); | ||
| 294 | if (ret->h_addr_list == NULL) | ||
| 295 | goto err; | ||
| 296 | memset(ret->h_addr_list, 0, i*sizeof(char *)); | ||
| 297 | |||
| 298 | j=strlen(a->h_name)+1; | ||
| 299 | if ((ret->h_name=OPENSSL_malloc(j)) == NULL) goto err; | ||
| 300 | memcpy((char *)ret->h_name,a->h_name,j); | ||
| 301 | for (i=0; a->h_aliases[i] != NULL; i++) | ||
| 302 | { | ||
| 303 | j=strlen(a->h_aliases[i])+1; | ||
| 304 | if ((ret->h_aliases[i]=OPENSSL_malloc(j)) == NULL) goto err; | ||
| 305 | memcpy(ret->h_aliases[i],a->h_aliases[i],j); | ||
| 306 | } | ||
| 307 | ret->h_length=a->h_length; | ||
| 308 | ret->h_addrtype=a->h_addrtype; | ||
| 309 | for (i=0; a->h_addr_list[i] != NULL; i++) | ||
| 310 | { | ||
| 311 | if ((ret->h_addr_list[i]=OPENSSL_malloc(a->h_length)) == NULL) | ||
| 312 | goto err; | ||
| 313 | memcpy(ret->h_addr_list[i],a->h_addr_list[i],a->h_length); | ||
| 314 | } | ||
| 315 | if (0) | ||
| 316 | { | ||
| 317 | err: | ||
| 318 | if (ret != NULL) | ||
| 319 | ghbn_free(ret); | ||
| 320 | ret=NULL; | ||
| 321 | } | ||
| 322 | MemCheck_on(); | ||
| 323 | return(ret); | ||
| 324 | } | ||
| 325 | |||
| 326 | static void ghbn_free(struct hostent *a) | ||
| 327 | { | ||
| 328 | int i; | ||
| 329 | |||
| 330 | if(a == NULL) | ||
| 331 | return; | ||
| 332 | |||
| 333 | if (a->h_aliases != NULL) | ||
| 334 | { | ||
| 335 | for (i=0; a->h_aliases[i] != NULL; i++) | ||
| 336 | OPENSSL_free(a->h_aliases[i]); | ||
| 337 | OPENSSL_free(a->h_aliases); | ||
| 338 | } | ||
| 339 | if (a->h_addr_list != NULL) | ||
| 340 | { | ||
| 341 | for (i=0; a->h_addr_list[i] != NULL; i++) | ||
| 342 | OPENSSL_free(a->h_addr_list[i]); | ||
| 343 | OPENSSL_free(a->h_addr_list); | ||
| 344 | } | ||
| 345 | if (a->h_name != NULL) OPENSSL_free(a->h_name); | ||
| 346 | OPENSSL_free(a); | ||
| 347 | } | ||
| 348 | |||
| 349 | #endif | ||
| 350 | |||
| 351 | struct hostent *BIO_gethostbyname(const char *name) | ||
| 352 | { | ||
| 353 | #if 1 | ||
| 354 | /* Caching gethostbyname() results forever is wrong, | ||
| 355 | * so we have to let the true gethostbyname() worry about this */ | ||
| 356 | return gethostbyname(name); | ||
| 357 | #else | ||
| 358 | struct hostent *ret; | ||
| 359 | int i,lowi=0,j; | ||
| 360 | unsigned long low= (unsigned long)-1; | ||
| 361 | |||
| 362 | |||
| 363 | # if 0 | ||
| 364 | /* It doesn't make sense to use locking here: The function interface | ||
| 365 | * is not thread-safe, because threads can never be sure when | ||
| 366 | * some other thread destroys the data they were given a pointer to. | ||
| 367 | */ | ||
| 368 | CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); | ||
| 369 | # endif | ||
| 370 | j=strlen(name); | ||
| 371 | if (j < 128) | ||
| 372 | { | ||
| 373 | for (i=0; i<GHBN_NUM; i++) | ||
| 374 | { | ||
| 375 | if (low > ghbn_cache[i].order) | ||
| 376 | { | ||
| 377 | low=ghbn_cache[i].order; | ||
| 378 | lowi=i; | ||
| 379 | } | ||
| 380 | if (ghbn_cache[i].order > 0) | ||
| 381 | { | ||
| 382 | if (strncmp(name,ghbn_cache[i].name,128) == 0) | ||
| 383 | break; | ||
| 384 | } | ||
| 385 | } | ||
| 386 | } | ||
| 387 | else | ||
| 388 | i=GHBN_NUM; | ||
| 389 | |||
| 390 | if (i == GHBN_NUM) /* no hit*/ | ||
| 391 | { | ||
| 392 | BIO_ghbn_miss++; | ||
| 393 | /* Note: under VMS with SOCKETSHR, it seems like the first | ||
| 394 | * parameter is 'char *', instead of 'const char *' | ||
| 395 | */ | ||
| 396 | ret=gethostbyname( | ||
| 397 | # ifndef CONST_STRICT | ||
| 398 | (char *) | ||
| 399 | # endif | ||
| 400 | name); | ||
| 401 | |||
| 402 | if (ret == NULL) | ||
| 403 | goto end; | ||
| 404 | if (j > 128) /* too big to cache */ | ||
| 405 | { | ||
| 406 | # if 0 | ||
| 407 | /* If we were trying to make this function thread-safe (which | ||
| 408 | * is bound to fail), we'd have to give up in this case | ||
| 409 | * (or allocate more memory). */ | ||
| 410 | ret = NULL; | ||
| 411 | # endif | ||
| 412 | goto end; | ||
| 413 | } | ||
| 414 | |||
| 415 | /* else add to cache */ | ||
| 416 | if (ghbn_cache[lowi].ent != NULL) | ||
| 417 | ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */ | ||
| 418 | ghbn_cache[lowi].name[0] = '\0'; | ||
| 419 | |||
| 420 | if((ret=ghbn_cache[lowi].ent=ghbn_dup(ret)) == NULL) | ||
| 421 | { | ||
| 422 | BIOerr(BIO_F_BIO_GETHOSTBYNAME,ERR_R_MALLOC_FAILURE); | ||
| 423 | goto end; | ||
| 424 | } | ||
| 425 | strncpy(ghbn_cache[lowi].name,name,128); | ||
| 426 | ghbn_cache[lowi].order=BIO_ghbn_miss+BIO_ghbn_hits; | ||
| 427 | } | ||
| 428 | else | ||
| 429 | { | ||
| 430 | BIO_ghbn_hits++; | ||
| 431 | ret= ghbn_cache[i].ent; | ||
| 432 | ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits; | ||
| 433 | } | ||
| 434 | end: | ||
| 435 | # if 0 | ||
| 436 | CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); | ||
| 437 | # endif | ||
| 438 | return(ret); | ||
| 439 | #endif | ||
| 440 | } | ||
| 441 | |||
| 442 | |||
| 443 | int BIO_sock_init(void) | ||
| 444 | { | ||
| 445 | #ifdef OPENSSL_SYS_WINDOWS | ||
| 446 | static struct WSAData wsa_state; | ||
| 447 | |||
| 448 | if (!wsa_init_done) | ||
| 449 | { | ||
| 450 | int err; | ||
| 451 | |||
| 452 | #ifdef SIGINT | ||
| 453 | signal(SIGINT,(void (*)(int))BIO_sock_cleanup); | ||
| 454 | #endif | ||
| 455 | wsa_init_done=1; | ||
| 456 | memset(&wsa_state,0,sizeof(wsa_state)); | ||
| 457 | if (WSAStartup(0x0101,&wsa_state)!=0) | ||
| 458 | { | ||
| 459 | err=WSAGetLastError(); | ||
| 460 | SYSerr(SYS_F_WSASTARTUP,err); | ||
| 461 | BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP); | ||
| 462 | return(-1); | ||
| 463 | } | ||
| 464 | } | ||
| 465 | #endif /* OPENSSL_SYS_WINDOWS */ | ||
| 466 | return(1); | ||
| 467 | } | ||
| 468 | |||
| 469 | void BIO_sock_cleanup(void) | ||
| 470 | { | ||
| 471 | #ifdef OPENSSL_SYS_WINDOWS | ||
| 472 | if (wsa_init_done) | ||
| 473 | { | ||
| 474 | wsa_init_done=0; | ||
| 475 | WSACancelBlockingCall(); | ||
| 476 | WSACleanup(); | ||
| 477 | } | ||
| 478 | #endif | ||
| 479 | } | ||
| 480 | |||
| 481 | #if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000 | ||
| 482 | |||
| 483 | int BIO_socket_ioctl(int fd, long type, unsigned long *arg) | ||
| 484 | { | ||
| 485 | int i; | ||
| 486 | |||
| 487 | i=ioctlsocket(fd,type,arg); | ||
| 488 | if (i < 0) | ||
| 489 | SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error()); | ||
| 490 | return(i); | ||
| 491 | } | ||
| 492 | #endif /* __VMS_VER */ | ||
| 493 | |||
| 494 | /* The reason I have implemented this instead of using sscanf is because | ||
| 495 | * Visual C 1.52c gives an unresolved external when linking a DLL :-( */ | ||
| 496 | static int get_ip(const char *str, unsigned char ip[4]) | ||
| 497 | { | ||
| 498 | unsigned int tmp[4]; | ||
| 499 | int num=0,c,ok=0; | ||
| 500 | |||
| 501 | tmp[0]=tmp[1]=tmp[2]=tmp[3]=0; | ||
| 502 | |||
| 503 | for (;;) | ||
| 504 | { | ||
| 505 | c= *(str++); | ||
| 506 | if ((c >= '0') && (c <= '9')) | ||
| 507 | { | ||
| 508 | ok=1; | ||
| 509 | tmp[num]=tmp[num]*10+c-'0'; | ||
| 510 | if (tmp[num] > 255) return(0); | ||
| 511 | } | ||
| 512 | else if (c == '.') | ||
| 513 | { | ||
| 514 | if (!ok) return(-1); | ||
| 515 | if (num == 3) return(0); | ||
| 516 | num++; | ||
| 517 | ok=0; | ||
| 518 | } | ||
| 519 | else if (c == '\0' && (num == 3) && ok) | ||
| 520 | break; | ||
| 521 | else | ||
| 522 | return(0); | ||
| 523 | } | ||
| 524 | ip[0]=tmp[0]; | ||
| 525 | ip[1]=tmp[1]; | ||
| 526 | ip[2]=tmp[2]; | ||
| 527 | ip[3]=tmp[3]; | ||
| 528 | return(1); | ||
| 529 | } | ||
| 530 | |||
| 531 | int BIO_get_accept_socket(char *host, int bind_mode) | ||
| 532 | { | ||
| 533 | int ret=0; | ||
| 534 | struct sockaddr_in server,client; | ||
| 535 | int s=INVALID_SOCKET,cs; | ||
| 536 | unsigned char ip[4]; | ||
| 537 | unsigned short port; | ||
| 538 | char *str=NULL,*e; | ||
| 539 | const char *h,*p; | ||
| 540 | unsigned long l; | ||
| 541 | int err_num; | ||
| 542 | |||
| 543 | if (BIO_sock_init() != 1) return(INVALID_SOCKET); | ||
| 544 | |||
| 545 | if ((str=BUF_strdup(host)) == NULL) return(INVALID_SOCKET); | ||
| 546 | |||
| 547 | h=p=NULL; | ||
| 548 | h=str; | ||
| 549 | for (e=str; *e; e++) | ||
| 550 | { | ||
| 551 | if (*e == ':') | ||
| 552 | { | ||
| 553 | p= &(e[1]); | ||
| 554 | *e='\0'; | ||
| 555 | } | ||
| 556 | else if (*e == '/') | ||
| 557 | { | ||
| 558 | *e='\0'; | ||
| 559 | break; | ||
| 560 | } | ||
| 561 | } | ||
| 562 | |||
| 563 | if (p == NULL) | ||
| 564 | { | ||
| 565 | p=h; | ||
| 566 | h="*"; | ||
| 567 | } | ||
| 568 | |||
| 569 | if (!BIO_get_port(p,&port)) goto err; | ||
| 570 | |||
| 571 | memset((char *)&server,0,sizeof(server)); | ||
| 572 | server.sin_family=AF_INET; | ||
| 573 | server.sin_port=htons(port); | ||
| 574 | |||
| 575 | if (strcmp(h,"*") == 0) | ||
| 576 | server.sin_addr.s_addr=INADDR_ANY; | ||
| 577 | else | ||
| 578 | { | ||
| 579 | if (!BIO_get_host_ip(h,&(ip[0]))) goto err; | ||
| 580 | l=(unsigned long) | ||
| 581 | ((unsigned long)ip[0]<<24L)| | ||
| 582 | ((unsigned long)ip[1]<<16L)| | ||
| 583 | ((unsigned long)ip[2]<< 8L)| | ||
| 584 | ((unsigned long)ip[3]); | ||
| 585 | server.sin_addr.s_addr=htonl(l); | ||
| 586 | } | ||
| 587 | |||
| 588 | again: | ||
| 589 | s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL); | ||
| 590 | if (s == INVALID_SOCKET) | ||
| 591 | { | ||
| 592 | SYSerr(SYS_F_SOCKET,get_last_socket_error()); | ||
| 593 | ERR_add_error_data(3,"port='",host,"'"); | ||
| 594 | BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_CREATE_SOCKET); | ||
| 595 | goto err; | ||
| 596 | } | ||
| 597 | |||
| 598 | #ifdef SO_REUSEADDR | ||
| 599 | if (bind_mode == BIO_BIND_REUSEADDR) | ||
| 600 | { | ||
| 601 | int i=1; | ||
| 602 | |||
| 603 | ret=setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&i,sizeof(i)); | ||
| 604 | bind_mode=BIO_BIND_NORMAL; | ||
| 605 | } | ||
| 606 | #endif | ||
| 607 | if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1) | ||
| 608 | { | ||
| 609 | #ifdef SO_REUSEADDR | ||
| 610 | err_num=get_last_socket_error(); | ||
| 611 | if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) && | ||
| 612 | (err_num == EADDRINUSE)) | ||
| 613 | { | ||
| 614 | memcpy((char *)&client,(char *)&server,sizeof(server)); | ||
| 615 | if (strcmp(h,"*") == 0) | ||
| 616 | client.sin_addr.s_addr=htonl(0x7F000001); | ||
| 617 | cs=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL); | ||
| 618 | if (cs != INVALID_SOCKET) | ||
| 619 | { | ||
| 620 | int ii; | ||
| 621 | ii=connect(cs,(struct sockaddr *)&client, | ||
| 622 | sizeof(client)); | ||
| 623 | closesocket(cs); | ||
| 624 | if (ii == INVALID_SOCKET) | ||
| 625 | { | ||
| 626 | bind_mode=BIO_BIND_REUSEADDR; | ||
| 627 | closesocket(s); | ||
| 628 | goto again; | ||
| 629 | } | ||
| 630 | /* else error */ | ||
| 631 | } | ||
| 632 | /* else error */ | ||
| 633 | } | ||
| 634 | #endif | ||
| 635 | SYSerr(SYS_F_BIND,err_num); | ||
| 636 | ERR_add_error_data(3,"port='",host,"'"); | ||
| 637 | BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET); | ||
| 638 | goto err; | ||
| 639 | } | ||
| 640 | if (listen(s,MAX_LISTEN) == -1) | ||
| 641 | { | ||
| 642 | SYSerr(SYS_F_BIND,get_last_socket_error()); | ||
| 643 | ERR_add_error_data(3,"port='",host,"'"); | ||
| 644 | BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET); | ||
| 645 | goto err; | ||
| 646 | } | ||
| 647 | ret=1; | ||
| 648 | err: | ||
| 649 | if (str != NULL) OPENSSL_free(str); | ||
| 650 | if ((ret == 0) && (s != INVALID_SOCKET)) | ||
| 651 | { | ||
| 652 | closesocket(s); | ||
| 653 | s= INVALID_SOCKET; | ||
| 654 | } | ||
| 655 | return(s); | ||
| 656 | } | ||
| 657 | |||
| 658 | int BIO_accept(int sock, char **addr) | ||
| 659 | { | ||
| 660 | int ret=INVALID_SOCKET; | ||
| 661 | static struct sockaddr_in from; | ||
| 662 | unsigned long l; | ||
| 663 | unsigned short port; | ||
| 664 | int len; | ||
| 665 | char *p; | ||
| 666 | |||
| 667 | memset((char *)&from,0,sizeof(from)); | ||
| 668 | len=sizeof(from); | ||
| 669 | /* Note: under VMS with SOCKETSHR the fourth parameter is currently | ||
| 670 | * of type (int *) whereas under other systems it is (void *) if | ||
| 671 | * you don't have a cast it will choke the compiler: if you do | ||
| 672 | * have a cast then you can either go for (int *) or (void *). | ||
| 673 | */ | ||
| 674 | ret=accept(sock,(struct sockaddr *)&from,(void *)&len); | ||
| 675 | if (ret == INVALID_SOCKET) | ||
| 676 | { | ||
| 677 | if(BIO_sock_should_retry(ret)) return -2; | ||
| 678 | SYSerr(SYS_F_ACCEPT,get_last_socket_error()); | ||
| 679 | BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR); | ||
| 680 | goto end; | ||
| 681 | } | ||
| 682 | |||
| 683 | if (addr == NULL) goto end; | ||
| 684 | |||
| 685 | l=ntohl(from.sin_addr.s_addr); | ||
| 686 | port=ntohs(from.sin_port); | ||
| 687 | if (*addr == NULL) | ||
| 688 | { | ||
| 689 | if ((p=OPENSSL_malloc(24)) == NULL) | ||
| 690 | { | ||
| 691 | BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE); | ||
| 692 | goto end; | ||
| 693 | } | ||
| 694 | *addr=p; | ||
| 695 | } | ||
| 696 | sprintf(*addr,"%d.%d.%d.%d:%d", | ||
| 697 | (unsigned char)(l>>24L)&0xff, | ||
| 698 | (unsigned char)(l>>16L)&0xff, | ||
| 699 | (unsigned char)(l>> 8L)&0xff, | ||
| 700 | (unsigned char)(l )&0xff, | ||
| 701 | port); | ||
| 702 | end: | ||
| 703 | return(ret); | ||
| 704 | } | ||
| 705 | |||
| 706 | int BIO_set_tcp_ndelay(int s, int on) | ||
| 707 | { | ||
| 708 | int ret=0; | ||
| 709 | #if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP)) | ||
| 710 | int opt; | ||
| 711 | |||
| 712 | #ifdef SOL_TCP | ||
| 713 | opt=SOL_TCP; | ||
| 714 | #else | ||
| 715 | #ifdef IPPROTO_TCP | ||
| 716 | opt=IPPROTO_TCP; | ||
| 717 | #endif | ||
| 718 | #endif | ||
| 719 | |||
| 720 | ret=setsockopt(s,opt,TCP_NODELAY,(char *)&on,sizeof(on)); | ||
| 721 | #endif | ||
| 722 | return(ret == 0); | ||
| 723 | } | ||
| 724 | #endif | ||
| 725 | |||
| 726 | int BIO_socket_nbio(int s, int mode) | ||
| 727 | { | ||
| 728 | int ret= -1; | ||
| 729 | unsigned long l; | ||
| 730 | |||
| 731 | l=mode; | ||
| 732 | #ifdef FIONBIO | ||
| 733 | ret=BIO_socket_ioctl(s,FIONBIO,&l); | ||
| 734 | #endif | ||
| 735 | return(ret == 0); | ||
| 736 | } | ||
