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d02b48c6 | 1 | /* apps/s_server.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 | ||
7d7d2cbc UM |
59 | /* With IPv6, it looks like Digital has mixed up the proper order of |
60 | recursive header file inclusion, resulting in the compiler complaining | |
61 | that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which | |
62 | is needed to have fileno() declared correctly... So let's define u_int */ | |
1e44804e | 63 | #if defined(VMS) && defined(__DECC) && !defined(__U_INT) |
7d7d2cbc UM |
64 | #define __U_INT |
65 | typedef unsigned int u_int; | |
66 | #endif | |
67 | ||
d02b48c6 RE |
68 | #include <stdio.h> |
69 | #include <stdlib.h> | |
70 | #include <string.h> | |
71 | #include <sys/types.h> | |
72 | #include <sys/stat.h> | |
58964a49 | 73 | #ifdef NO_STDIO |
d02b48c6 RE |
74 | #define APPS_WIN16 |
75 | #endif | |
ec577822 BM |
76 | #include <openssl/lhash.h> |
77 | #include <openssl/bn.h> | |
d02b48c6 RE |
78 | #define USE_SOCKETS |
79 | #include "apps.h" | |
ec577822 BM |
80 | #include <openssl/err.h> |
81 | #include <openssl/pem.h> | |
82 | #include <openssl/x509.h> | |
83 | #include <openssl/ssl.h> | |
d02b48c6 RE |
84 | #include "s_apps.h" |
85 | ||
75e0770d UM |
86 | #if (defined(VMS) && __VMS_VER < 70000000) |
87 | /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ | |
7d7d2cbc UM |
88 | #undef FIONBIO |
89 | #endif | |
90 | ||
f5d7a031 UM |
91 | #if defined(NO_RSA) && !defined(NO_SSL2) |
92 | #define NO_SSL2 | |
93 | #endif | |
94 | ||
95 | #ifndef NO_RSA | |
60e31c3a | 96 | static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength); |
f5d7a031 | 97 | #endif |
61f5b6f3 BL |
98 | static int sv_body(char *hostname, int s, unsigned char *context); |
99 | static int www_body(char *hostname, int s, unsigned char *context); | |
d02b48c6 RE |
100 | static void close_accept_socket(void ); |
101 | static void sv_usage(void); | |
102 | static int init_ssl_connection(SSL *s); | |
103 | static void print_stats(BIO *bp,SSL_CTX *ctx); | |
58964a49 | 104 | #ifndef NO_DH |
d02b48c6 RE |
105 | static DH *load_dh_param(void ); |
106 | static DH *get_dh512(void); | |
58964a49 RE |
107 | #endif |
108 | /* static void s_server_init(void);*/ | |
d02b48c6 RE |
109 | |
110 | #ifndef S_ISDIR | |
cf2562e7 BM |
111 | # if defined(_S_IFMT) && defined(_S_IFDIR) |
112 | # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR) | |
113 | # else | |
114 | # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) | |
115 | # endif | |
7d7d2cbc | 116 | #endif |
d02b48c6 | 117 | |
58964a49 | 118 | #ifndef NO_DH |
d02b48c6 RE |
119 | static unsigned char dh512_p[]={ |
120 | 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75, | |
121 | 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F, | |
122 | 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3, | |
123 | 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12, | |
124 | 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C, | |
125 | 0x47,0x74,0xE8,0x33, | |
126 | }; | |
127 | static unsigned char dh512_g[]={ | |
128 | 0x02, | |
129 | }; | |
130 | ||
6b691a5c | 131 | static DH *get_dh512(void) |
d02b48c6 RE |
132 | { |
133 | DH *dh=NULL; | |
134 | ||
d02b48c6 RE |
135 | if ((dh=DH_new()) == NULL) return(NULL); |
136 | dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL); | |
137 | dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL); | |
138 | if ((dh->p == NULL) || (dh->g == NULL)) | |
139 | return(NULL); | |
d02b48c6 RE |
140 | return(dh); |
141 | } | |
58964a49 | 142 | #endif |
d02b48c6 RE |
143 | |
144 | /* static int load_CA(SSL_CTX *ctx, char *file);*/ | |
145 | ||
146 | #undef BUFSIZZ | |
dfeab068 RE |
147 | #define BUFSIZZ 16*1024 |
148 | static int bufsize=32; | |
d02b48c6 RE |
149 | static int accept_socket= -1; |
150 | ||
151 | #define TEST_CERT "server.pem" | |
152 | #undef PROG | |
153 | #define PROG s_server_main | |
154 | ||
155 | #define DH_PARAM "server.pem" | |
156 | ||
157 | extern int verify_depth; | |
158 | ||
159 | static char *cipher=NULL; | |
58964a49 | 160 | static int s_server_verify=SSL_VERIFY_NONE; |
b56bce4f | 161 | static int s_server_session_id_context = 1; /* anything will do */ |
58964a49 RE |
162 | static char *s_cert_file=TEST_CERT,*s_key_file=NULL; |
163 | static char *s_dcert_file=NULL,*s_dkey_file=NULL; | |
d02b48c6 RE |
164 | #ifdef FIONBIO |
165 | static int s_nbio=0; | |
166 | #endif | |
167 | static int s_nbio_test=0; | |
168 | static SSL_CTX *ctx=NULL; | |
169 | static int www=0; | |
170 | ||
171 | static BIO *bio_s_out=NULL; | |
172 | static int s_debug=0; | |
173 | static int s_quiet=0; | |
174 | ||
58964a49 | 175 | #if 0 |
6b691a5c | 176 | static void s_server_init(void) |
58964a49 RE |
177 | { |
178 | cipher=NULL; | |
179 | s_server_verify=SSL_VERIFY_NONE; | |
180 | s_dcert_file=NULL; | |
181 | s_dkey_file=NULL; | |
182 | s_cert_file=TEST_CERT; | |
183 | s_key_file=NULL; | |
184 | #ifdef FIONBIO | |
185 | s_nbio=0; | |
186 | #endif | |
187 | s_nbio_test=0; | |
188 | ctx=NULL; | |
189 | www=0; | |
190 | ||
191 | bio_s_out=NULL; | |
192 | s_debug=0; | |
193 | s_quiet=0; | |
194 | } | |
195 | #endif | |
196 | ||
6b691a5c | 197 | static void sv_usage(void) |
d02b48c6 RE |
198 | { |
199 | BIO_printf(bio_err,"usage: s_server [args ...]\n"); | |
200 | BIO_printf(bio_err,"\n"); | |
13e91dd3 | 201 | BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT); |
b4cadc6e | 202 | BIO_printf(bio_err," -context arg - set session ID context\n"); |
d02b48c6 RE |
203 | BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); |
204 | BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n"); | |
205 | BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); | |
206 | BIO_printf(bio_err," (default is %s)\n",TEST_CERT); | |
207 | BIO_printf(bio_err," -key arg - RSA file to use, PEM format assumed, in cert file if\n"); | |
208 | BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); | |
ea14a91f RE |
209 | BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n"); |
210 | BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n"); | |
d02b48c6 RE |
211 | #ifdef FIONBIO |
212 | BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); | |
213 | #endif | |
214 | BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n"); | |
215 | BIO_printf(bio_err," -debug - Print more output\n"); | |
216 | BIO_printf(bio_err," -state - Print the SSL states\n"); | |
217 | BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); | |
218 | BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); | |
219 | BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); | |
e170a5c0 | 220 | BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); |
d02b48c6 RE |
221 | BIO_printf(bio_err," -quiet - No server output\n"); |
222 | BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n"); | |
223 | BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); | |
224 | BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); | |
58964a49 RE |
225 | BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); |
226 | BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); | |
227 | BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); | |
228 | BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); | |
d02b48c6 RE |
229 | BIO_printf(bio_err," -bugs - Turn on SSL bug compatability\n"); |
230 | BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); | |
15542b28 | 231 | BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); |
d02b48c6 RE |
232 | } |
233 | ||
58964a49 | 234 | static int local_argc=0; |
d02b48c6 | 235 | static char **local_argv; |
58964a49 | 236 | static int hack=0; |
d02b48c6 | 237 | |
a53955d8 UM |
238 | #ifdef CHARSET_EBCDIC |
239 | static int ebcdic_new(BIO *bi); | |
240 | static int ebcdic_free(BIO *a); | |
241 | static int ebcdic_read(BIO *b, char *out, int outl); | |
242 | static int ebcdic_write(BIO *b, char *in, int inl); | |
243 | static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr); | |
244 | static int ebcdic_gets(BIO *bp, char *buf, int size); | |
245 | static int ebcdic_puts(BIO *bp, char *str); | |
246 | ||
247 | #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) | |
248 | static BIO_METHOD methods_ebcdic= | |
249 | { | |
250 | BIO_TYPE_EBCDIC_FILTER, | |
251 | "EBCDIC/ASCII filter", | |
252 | ebcdic_write, | |
253 | ebcdic_read, | |
254 | ebcdic_puts, | |
255 | ebcdic_gets, | |
256 | ebcdic_ctrl, | |
257 | ebcdic_new, | |
258 | ebcdic_free, | |
259 | }; | |
260 | ||
261 | typedef struct | |
262 | { | |
263 | size_t alloced; | |
264 | char buff[1]; | |
265 | } EBCDIC_OUTBUFF; | |
266 | ||
267 | BIO_METHOD *BIO_f_ebcdic_filter() | |
268 | { | |
269 | return(&methods_ebcdic); | |
270 | } | |
271 | ||
272 | static int ebcdic_new(BIO *bi) | |
273 | { | |
274 | EBCDIC_OUTBUFF *wbuf; | |
275 | ||
276 | wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024); | |
277 | wbuf->alloced = 1024; | |
278 | wbuf->buff[0] = '\0'; | |
279 | ||
280 | bi->ptr=(char *)wbuf; | |
281 | bi->init=1; | |
282 | bi->flags=0; | |
283 | return(1); | |
284 | } | |
285 | ||
286 | static int ebcdic_free(BIO *a) | |
287 | { | |
288 | if (a == NULL) return(0); | |
289 | if (a->ptr != NULL) | |
290 | Free(a->ptr); | |
291 | a->ptr=NULL; | |
292 | a->init=0; | |
293 | a->flags=0; | |
294 | return(1); | |
295 | } | |
296 | ||
297 | static int ebcdic_read(BIO *b, char *out, int outl) | |
298 | { | |
299 | int ret=0; | |
300 | ||
301 | if (out == NULL || outl == 0) return(0); | |
302 | if (b->next_bio == NULL) return(0); | |
303 | ||
304 | ret=BIO_read(b->next_bio,out,outl); | |
305 | if (ret > 0) | |
306 | ascii2ebcdic(out,out,ret); | |
307 | return(ret); | |
308 | } | |
309 | ||
310 | static int ebcdic_write(BIO *b, char *in, int inl) | |
311 | { | |
312 | EBCDIC_OUTBUFF *wbuf; | |
313 | int ret=0; | |
314 | int num; | |
315 | unsigned char n; | |
316 | ||
317 | if ((in == NULL) || (inl <= 0)) return(0); | |
318 | if (b->next_bio == NULL) return(0); | |
319 | ||
320 | wbuf=(EBCDIC_OUTBUFF *)b->ptr; | |
321 | ||
322 | if (inl > (num = wbuf->alloced)) | |
323 | { | |
324 | num = num + num; /* double the size */ | |
325 | if (num < inl) | |
326 | num = inl; | |
327 | Free((char*)wbuf); | |
328 | wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num); | |
329 | ||
330 | wbuf->alloced = num; | |
331 | wbuf->buff[0] = '\0'; | |
332 | ||
333 | b->ptr=(char *)wbuf; | |
334 | } | |
335 | ||
336 | ebcdic2ascii(wbuf->buff, in, inl); | |
337 | ||
338 | ret=BIO_write(b->next_bio, wbuf->buff, inl); | |
339 | ||
340 | return(ret); | |
341 | } | |
342 | ||
343 | static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr) | |
344 | { | |
345 | long ret; | |
346 | ||
347 | if (b->next_bio == NULL) return(0); | |
348 | switch (cmd) | |
349 | { | |
350 | case BIO_CTRL_DUP: | |
351 | ret=0L; | |
352 | break; | |
353 | default: | |
354 | ret=BIO_ctrl(b->next_bio,cmd,num,ptr); | |
355 | break; | |
356 | } | |
357 | return(ret); | |
358 | } | |
359 | ||
360 | static int ebcdic_gets(BIO *bp, char *buf, int size) | |
361 | { | |
362 | int i, ret; | |
363 | if (bp->next_bio == NULL) return(0); | |
364 | /* return(BIO_gets(bp->next_bio,buf,size));*/ | |
365 | for (i=0; i<size-1; ++i) | |
366 | { | |
367 | ret = ebcdic_read(bp,&buf[i],1); | |
368 | if (ret <= 0) | |
369 | break; | |
370 | else if (buf[i] == '\n') | |
371 | { | |
372 | ++i; | |
373 | break; | |
374 | } | |
375 | } | |
376 | if (i < size) | |
377 | buf[i] = '\0'; | |
378 | return (ret < 0 && i == 0) ? ret : i; | |
379 | } | |
380 | ||
381 | static int ebcdic_puts(BIO *bp, char *str) | |
382 | { | |
383 | if (bp->next_bio == NULL) return(0); | |
384 | return ebcdic_write(bp, str, strlen(str)); | |
385 | } | |
386 | #endif | |
387 | ||
6b691a5c | 388 | int MAIN(int argc, char *argv[]) |
d02b48c6 RE |
389 | { |
390 | short port=PORT; | |
391 | char *CApath=NULL,*CAfile=NULL; | |
b4cadc6e | 392 | char *context = NULL; |
d02b48c6 RE |
393 | int badop=0,bugs=0; |
394 | int ret=1; | |
58964a49 | 395 | int off=0; |
d02b48c6 RE |
396 | int no_tmp_rsa=0,nocert=0; |
397 | int state=0; | |
398 | SSL_METHOD *meth=NULL; | |
58964a49 | 399 | #ifndef NO_DH |
d02b48c6 | 400 | DH *dh=NULL; |
58964a49 | 401 | #endif |
d02b48c6 RE |
402 | |
403 | #if !defined(NO_SSL2) && !defined(NO_SSL3) | |
404 | meth=SSLv23_server_method(); | |
405 | #elif !defined(NO_SSL3) | |
406 | meth=SSLv3_server_method(); | |
407 | #elif !defined(NO_SSL2) | |
408 | meth=SSLv2_server_method(); | |
409 | #endif | |
410 | ||
411 | local_argc=argc; | |
412 | local_argv=argv; | |
413 | ||
414 | apps_startup(); | |
415 | s_quiet=0; | |
416 | s_debug=0; | |
417 | ||
418 | if (bio_err == NULL) | |
419 | bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
420 | ||
421 | verify_depth=0; | |
422 | #ifdef FIONBIO | |
423 | s_nbio=0; | |
424 | #endif | |
425 | s_nbio_test=0; | |
426 | ||
427 | argc--; | |
428 | argv++; | |
429 | ||
430 | while (argc >= 1) | |
431 | { | |
432 | if ((strcmp(*argv,"-port") == 0) || | |
433 | (strcmp(*argv,"-accept") == 0)) | |
434 | { | |
435 | if (--argc < 1) goto bad; | |
436 | if (!extract_port(*(++argv),&port)) | |
437 | goto bad; | |
438 | } | |
439 | else if (strcmp(*argv,"-verify") == 0) | |
440 | { | |
58964a49 | 441 | s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; |
d02b48c6 RE |
442 | if (--argc < 1) goto bad; |
443 | verify_depth=atoi(*(++argv)); | |
444 | BIO_printf(bio_err,"verify depth is %d\n",verify_depth); | |
445 | } | |
446 | else if (strcmp(*argv,"-Verify") == 0) | |
447 | { | |
58964a49 | 448 | s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| |
d02b48c6 RE |
449 | SSL_VERIFY_CLIENT_ONCE; |
450 | if (--argc < 1) goto bad; | |
451 | verify_depth=atoi(*(++argv)); | |
452 | BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); | |
453 | } | |
b4cadc6e BL |
454 | else if (strcmp(*argv,"-context") == 0) |
455 | { | |
456 | if (--argc < 1) goto bad; | |
457 | context= *(++argv); | |
458 | } | |
d02b48c6 RE |
459 | else if (strcmp(*argv,"-cert") == 0) |
460 | { | |
461 | if (--argc < 1) goto bad; | |
462 | s_cert_file= *(++argv); | |
463 | } | |
464 | else if (strcmp(*argv,"-key") == 0) | |
465 | { | |
466 | if (--argc < 1) goto bad; | |
467 | s_key_file= *(++argv); | |
468 | } | |
58964a49 RE |
469 | else if (strcmp(*argv,"-dcert") == 0) |
470 | { | |
471 | if (--argc < 1) goto bad; | |
472 | s_dcert_file= *(++argv); | |
473 | } | |
474 | else if (strcmp(*argv,"-dkey") == 0) | |
475 | { | |
476 | if (--argc < 1) goto bad; | |
477 | s_dkey_file= *(++argv); | |
478 | } | |
d02b48c6 RE |
479 | else if (strcmp(*argv,"-nocert") == 0) |
480 | { | |
481 | nocert=1; | |
482 | } | |
483 | else if (strcmp(*argv,"-CApath") == 0) | |
484 | { | |
485 | if (--argc < 1) goto bad; | |
486 | CApath= *(++argv); | |
487 | } | |
488 | else if (strcmp(*argv,"-cipher") == 0) | |
489 | { | |
490 | if (--argc < 1) goto bad; | |
491 | cipher= *(++argv); | |
492 | } | |
493 | else if (strcmp(*argv,"-CAfile") == 0) | |
494 | { | |
495 | if (--argc < 1) goto bad; | |
496 | CAfile= *(++argv); | |
497 | } | |
498 | #ifdef FIONBIO | |
499 | else if (strcmp(*argv,"-nbio") == 0) | |
500 | { s_nbio=1; } | |
501 | #endif | |
502 | else if (strcmp(*argv,"-nbio_test") == 0) | |
503 | { | |
504 | #ifdef FIONBIO | |
505 | s_nbio=1; | |
506 | #endif | |
507 | s_nbio_test=1; | |
508 | } | |
509 | else if (strcmp(*argv,"-debug") == 0) | |
510 | { s_debug=1; } | |
511 | else if (strcmp(*argv,"-hack") == 0) | |
512 | { hack=1; } | |
513 | else if (strcmp(*argv,"-state") == 0) | |
514 | { state=1; } | |
515 | else if (strcmp(*argv,"-quiet") == 0) | |
516 | { s_quiet=1; } | |
517 | else if (strcmp(*argv,"-bugs") == 0) | |
518 | { bugs=1; } | |
519 | else if (strcmp(*argv,"-no_tmp_rsa") == 0) | |
520 | { no_tmp_rsa=1; } | |
521 | else if (strcmp(*argv,"-www") == 0) | |
522 | { www=1; } | |
523 | else if (strcmp(*argv,"-WWW") == 0) | |
524 | { www=2; } | |
58964a49 RE |
525 | else if (strcmp(*argv,"-no_ssl2") == 0) |
526 | { off|=SSL_OP_NO_SSLv2; } | |
527 | else if (strcmp(*argv,"-no_ssl3") == 0) | |
528 | { off|=SSL_OP_NO_SSLv3; } | |
529 | else if (strcmp(*argv,"-no_tls1") == 0) | |
530 | { off|=SSL_OP_NO_TLSv1; } | |
d02b48c6 RE |
531 | #ifndef NO_SSL2 |
532 | else if (strcmp(*argv,"-ssl2") == 0) | |
533 | { meth=SSLv2_server_method(); } | |
534 | #endif | |
535 | #ifndef NO_SSL3 | |
536 | else if (strcmp(*argv,"-ssl3") == 0) | |
537 | { meth=SSLv3_server_method(); } | |
58964a49 RE |
538 | #endif |
539 | #ifndef NO_TLS1 | |
540 | else if (strcmp(*argv,"-tls1") == 0) | |
541 | { meth=TLSv1_server_method(); } | |
d02b48c6 RE |
542 | #endif |
543 | else | |
544 | { | |
545 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
546 | badop=1; | |
547 | break; | |
548 | } | |
549 | argc--; | |
550 | argv++; | |
551 | } | |
552 | if (badop) | |
553 | { | |
554 | bad: | |
555 | sv_usage(); | |
556 | goto end; | |
557 | } | |
558 | ||
559 | if (bio_s_out == NULL) | |
560 | { | |
561 | if (s_quiet && !s_debug) | |
562 | { | |
563 | bio_s_out=BIO_new(BIO_s_null()); | |
564 | } | |
565 | else | |
566 | { | |
567 | if (bio_s_out == NULL) | |
568 | bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); | |
569 | } | |
570 | } | |
571 | ||
572 | #if !defined(NO_RSA) || !defined(NO_DSA) | |
573 | if (nocert) | |
574 | #endif | |
575 | { | |
576 | s_cert_file=NULL; | |
577 | s_key_file=NULL; | |
58964a49 RE |
578 | s_dcert_file=NULL; |
579 | s_dkey_file=NULL; | |
d02b48c6 RE |
580 | } |
581 | ||
582 | SSL_load_error_strings(); | |
583 | SSLeay_add_ssl_algorithms(); | |
584 | ||
585 | ctx=SSL_CTX_new(meth); | |
586 | if (ctx == NULL) | |
587 | { | |
588 | ERR_print_errors(bio_err); | |
589 | goto end; | |
590 | } | |
591 | ||
58964a49 | 592 | SSL_CTX_set_quiet_shutdown(ctx,1); |
d02b48c6 RE |
593 | if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); |
594 | if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); | |
58964a49 | 595 | SSL_CTX_set_options(ctx,off); |
d02b48c6 RE |
596 | if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST); |
597 | ||
598 | if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); | |
599 | ||
58964a49 RE |
600 | SSL_CTX_sess_set_cache_size(ctx,128); |
601 | ||
d02b48c6 RE |
602 | #if 0 |
603 | if (cipher == NULL) cipher=getenv("SSL_CIPHER"); | |
604 | #endif | |
605 | ||
606 | #if 0 | |
607 | if (s_cert_file == NULL) | |
608 | { | |
609 | BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); | |
610 | goto end; | |
611 | } | |
612 | #endif | |
613 | ||
614 | if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || | |
615 | (!SSL_CTX_set_default_verify_paths(ctx))) | |
616 | { | |
58964a49 | 617 | /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ |
d02b48c6 | 618 | ERR_print_errors(bio_err); |
58964a49 | 619 | /* goto end; */ |
d02b48c6 RE |
620 | } |
621 | ||
622 | #ifndef NO_DH | |
623 | /* EAY EAY EAY evil hack */ | |
624 | dh=load_dh_param(); | |
625 | if (dh != NULL) | |
626 | { | |
627 | BIO_printf(bio_s_out,"Setting temp DH parameters\n"); | |
628 | } | |
629 | else | |
630 | { | |
631 | BIO_printf(bio_s_out,"Using default temp DH parameters\n"); | |
632 | dh=get_dh512(); | |
633 | } | |
634 | BIO_flush(bio_s_out); | |
635 | ||
636 | SSL_CTX_set_tmp_dh(ctx,dh); | |
637 | DH_free(dh); | |
638 | #endif | |
639 | ||
640 | if (!set_cert_stuff(ctx,s_cert_file,s_key_file)) | |
641 | goto end; | |
58964a49 RE |
642 | if (s_dcert_file != NULL) |
643 | { | |
644 | if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file)) | |
645 | goto end; | |
646 | } | |
d02b48c6 | 647 | |
f5d7a031 | 648 | #ifndef NO_RSA |
d02b48c6 RE |
649 | #if 1 |
650 | SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); | |
651 | #else | |
652 | if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) | |
653 | { | |
654 | RSA *rsa; | |
655 | ||
656 | BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); | |
657 | BIO_flush(bio_s_out); | |
658 | ||
659 | rsa=RSA_generate_key(512,RSA_F4,NULL); | |
660 | ||
661 | if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) | |
662 | { | |
663 | ERR_print_errors(bio_err); | |
664 | goto end; | |
665 | } | |
666 | RSA_free(rsa); | |
667 | BIO_printf(bio_s_out,"\n"); | |
668 | } | |
f5d7a031 | 669 | #endif |
d02b48c6 RE |
670 | #endif |
671 | ||
672 | if (cipher != NULL) | |
673 | SSL_CTX_set_cipher_list(ctx,cipher); | |
58964a49 | 674 | SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); |
b56bce4f BM |
675 | SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, |
676 | sizeof s_server_session_id_context); | |
d02b48c6 | 677 | |
c13d4799 | 678 | SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); |
d02b48c6 RE |
679 | |
680 | BIO_printf(bio_s_out,"ACCEPT\n"); | |
681 | if (www) | |
b4cadc6e | 682 | do_server(port,&accept_socket,www_body, context); |
d02b48c6 | 683 | else |
b4cadc6e | 684 | do_server(port,&accept_socket,sv_body, context); |
d02b48c6 RE |
685 | print_stats(bio_s_out,ctx); |
686 | ret=0; | |
687 | end: | |
688 | if (ctx != NULL) SSL_CTX_free(ctx); | |
689 | if (bio_s_out != NULL) | |
690 | { | |
691 | BIO_free(bio_s_out); | |
692 | bio_s_out=NULL; | |
693 | } | |
694 | EXIT(ret); | |
695 | } | |
696 | ||
6b691a5c | 697 | static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) |
d02b48c6 RE |
698 | { |
699 | BIO_printf(bio,"%4ld items in the session cache\n", | |
700 | SSL_CTX_sess_number(ssl_ctx)); | |
701 | BIO_printf(bio,"%4d client connects (SSL_connect())\n", | |
702 | SSL_CTX_sess_connect(ssl_ctx)); | |
58964a49 RE |
703 | BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n", |
704 | SSL_CTX_sess_connect_renegotiate(ssl_ctx)); | |
d02b48c6 RE |
705 | BIO_printf(bio,"%4d client connects that finished\n", |
706 | SSL_CTX_sess_connect_good(ssl_ctx)); | |
707 | BIO_printf(bio,"%4d server accepts (SSL_accept())\n", | |
708 | SSL_CTX_sess_accept(ssl_ctx)); | |
58964a49 RE |
709 | BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n", |
710 | SSL_CTX_sess_accept_renegotiate(ssl_ctx)); | |
d02b48c6 RE |
711 | BIO_printf(bio,"%4d server accepts that finished\n", |
712 | SSL_CTX_sess_accept_good(ssl_ctx)); | |
713 | BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); | |
714 | BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); | |
715 | BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); | |
716 | BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); | |
58964a49 RE |
717 | BIO_printf(bio,"%4d cache full overflows (%d allowed)\n", |
718 | SSL_CTX_sess_cache_full(ssl_ctx), | |
719 | SSL_CTX_sess_get_cache_size(ssl_ctx)); | |
d02b48c6 RE |
720 | } |
721 | ||
61f5b6f3 | 722 | static int sv_body(char *hostname, int s, unsigned char *context) |
d02b48c6 RE |
723 | { |
724 | char *buf=NULL; | |
725 | fd_set readfds; | |
726 | int ret=1,width; | |
727 | int k,i; | |
728 | unsigned long l; | |
729 | SSL *con=NULL; | |
730 | BIO *sbio; | |
731 | ||
dfeab068 | 732 | if ((buf=Malloc(bufsize)) == NULL) |
d02b48c6 RE |
733 | { |
734 | BIO_printf(bio_err,"out of memory\n"); | |
735 | goto err; | |
736 | } | |
737 | #ifdef FIONBIO | |
738 | if (s_nbio) | |
739 | { | |
740 | unsigned long sl=1; | |
741 | ||
742 | if (!s_quiet) | |
743 | BIO_printf(bio_err,"turning on non blocking io\n"); | |
58964a49 RE |
744 | if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) |
745 | ERR_print_errors(bio_err); | |
d02b48c6 RE |
746 | } |
747 | #endif | |
748 | ||
b4cadc6e | 749 | if (con == NULL) { |
d02b48c6 | 750 | con=(SSL *)SSL_new(ctx); |
b4cadc6e | 751 | if(context) |
61f5b6f3 BL |
752 | SSL_set_session_id_context(con, context, |
753 | strlen((char *)context)); | |
b4cadc6e | 754 | } |
d02b48c6 RE |
755 | SSL_clear(con); |
756 | ||
757 | sbio=BIO_new_socket(s,BIO_NOCLOSE); | |
758 | if (s_nbio_test) | |
759 | { | |
760 | BIO *test; | |
761 | ||
762 | test=BIO_new(BIO_f_nbio_test()); | |
763 | sbio=BIO_push(test,sbio); | |
764 | } | |
765 | SSL_set_bio(con,sbio,sbio); | |
766 | SSL_set_accept_state(con); | |
767 | /* SSL_set_fd(con,s); */ | |
768 | ||
769 | if (s_debug) | |
770 | { | |
771 | con->debug=1; | |
772 | BIO_set_callback(SSL_get_rbio(con),bio_dump_cb); | |
773 | BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out); | |
774 | } | |
775 | ||
776 | width=s+1; | |
777 | for (;;) | |
778 | { | |
779 | FD_ZERO(&readfds); | |
780 | #ifndef WINDOWS | |
781 | FD_SET(fileno(stdin),&readfds); | |
782 | #endif | |
783 | FD_SET(s,&readfds); | |
75e0770d | 784 | /* Note: under VMS with SOCKETSHR the second parameter is |
7d7d2cbc UM |
785 | * currently of type (int *) whereas under other systems |
786 | * it is (void *) if you don't have a cast it will choke | |
787 | * the compiler: if you do have a cast then you can either | |
788 | * go for (int *) or (void *). | |
789 | */ | |
790 | i=select(width,(void *)&readfds,NULL,NULL,NULL); | |
d02b48c6 RE |
791 | if (i <= 0) continue; |
792 | if (FD_ISSET(fileno(stdin),&readfds)) | |
793 | { | |
dfeab068 | 794 | i=read(fileno(stdin),buf,bufsize); |
d02b48c6 RE |
795 | if (!s_quiet) |
796 | { | |
797 | if ((i <= 0) || (buf[0] == 'Q')) | |
798 | { | |
799 | BIO_printf(bio_s_out,"DONE\n"); | |
800 | SHUTDOWN(s); | |
801 | close_accept_socket(); | |
802 | ret= -11; | |
803 | goto err; | |
804 | } | |
805 | if ((i <= 0) || (buf[0] == 'q')) | |
806 | { | |
807 | BIO_printf(bio_s_out,"DONE\n"); | |
808 | SHUTDOWN(s); | |
809 | /* close_accept_socket(); | |
810 | ret= -11;*/ | |
811 | goto err; | |
812 | } | |
58964a49 RE |
813 | if ((buf[0] == 'r') && |
814 | ((buf[1] == '\n') || (buf[1] == '\r'))) | |
d02b48c6 RE |
815 | { |
816 | SSL_renegotiate(con); | |
58964a49 RE |
817 | i=SSL_do_handshake(con); |
818 | printf("SSL_do_handshake -> %d\n",i); | |
d02b48c6 RE |
819 | i=0; /*13; */ |
820 | continue; | |
dfeab068 | 821 | /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ |
d02b48c6 | 822 | } |
58964a49 | 823 | if ((buf[0] == 'R') && |
c13d4799 | 824 | ((buf[1] == '\n') || (buf[1] == '\r'))) |
d02b48c6 RE |
825 | { |
826 | SSL_set_verify(con, | |
827 | SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); | |
828 | SSL_renegotiate(con); | |
58964a49 RE |
829 | i=SSL_do_handshake(con); |
830 | printf("SSL_do_handshake -> %d\n",i); | |
d02b48c6 RE |
831 | i=0; /* 13; */ |
832 | continue; | |
dfeab068 | 833 | /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ |
d02b48c6 RE |
834 | } |
835 | if (buf[0] == 'P') | |
836 | { | |
837 | static char *str="Lets print some clear text\n"; | |
838 | BIO_write(SSL_get_wbio(con),str,strlen(str)); | |
839 | } | |
840 | if (buf[0] == 'S') | |
841 | { | |
842 | print_stats(bio_s_out,SSL_get_SSL_CTX(con)); | |
843 | } | |
844 | } | |
a53955d8 UM |
845 | #ifdef CHARSET_EBCDIC |
846 | ebcdic2ascii(buf,buf,i); | |
847 | #endif | |
d02b48c6 RE |
848 | l=k=0; |
849 | for (;;) | |
850 | { | |
851 | /* should do a select for the write */ | |
58964a49 RE |
852 | #ifdef RENEG |
853 | { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } | |
d02b48c6 | 854 | #endif |
58964a49 RE |
855 | k=SSL_write(con,&(buf[l]),(unsigned int)i); |
856 | switch (SSL_get_error(con,k)) | |
d02b48c6 | 857 | { |
58964a49 RE |
858 | case SSL_ERROR_NONE: |
859 | break; | |
860 | case SSL_ERROR_WANT_WRITE: | |
861 | case SSL_ERROR_WANT_READ: | |
862 | case SSL_ERROR_WANT_X509_LOOKUP: | |
d02b48c6 | 863 | BIO_printf(bio_s_out,"Write BLOCK\n"); |
58964a49 RE |
864 | break; |
865 | case SSL_ERROR_SYSCALL: | |
866 | case SSL_ERROR_SSL: | |
867 | BIO_printf(bio_s_out,"ERROR\n"); | |
d02b48c6 | 868 | ERR_print_errors(bio_err); |
58964a49 RE |
869 | ret=1; |
870 | goto err; | |
dfeab068 | 871 | /* break; */ |
58964a49 | 872 | case SSL_ERROR_ZERO_RETURN: |
d02b48c6 RE |
873 | BIO_printf(bio_s_out,"DONE\n"); |
874 | ret=1; | |
875 | goto err; | |
876 | } | |
877 | l+=k; | |
878 | i-=k; | |
879 | if (i <= 0) break; | |
880 | } | |
881 | } | |
882 | if (FD_ISSET(s,&readfds)) | |
883 | { | |
884 | if (!SSL_is_init_finished(con)) | |
885 | { | |
886 | i=init_ssl_connection(con); | |
887 | ||
888 | if (i < 0) | |
889 | { | |
890 | ret=0; | |
891 | goto err; | |
892 | } | |
893 | else if (i == 0) | |
894 | { | |
895 | ret=1; | |
896 | goto err; | |
897 | } | |
898 | } | |
899 | else | |
900 | { | |
dfeab068 RE |
901 | again: |
902 | i=SSL_read(con,(char *)buf,bufsize); | |
58964a49 | 903 | switch (SSL_get_error(con,i)) |
d02b48c6 | 904 | { |
58964a49 | 905 | case SSL_ERROR_NONE: |
a53955d8 UM |
906 | #ifdef CHARSET_EBCDIC |
907 | ascii2ebcdic(buf,buf,i); | |
908 | #endif | |
58964a49 RE |
909 | write(fileno(stdout),buf, |
910 | (unsigned int)i); | |
dfeab068 | 911 | if (SSL_pending(con)) goto again; |
58964a49 RE |
912 | break; |
913 | case SSL_ERROR_WANT_WRITE: | |
914 | case SSL_ERROR_WANT_READ: | |
915 | case SSL_ERROR_WANT_X509_LOOKUP: | |
d02b48c6 | 916 | BIO_printf(bio_s_out,"Read BLOCK\n"); |
58964a49 RE |
917 | break; |
918 | case SSL_ERROR_SYSCALL: | |
919 | case SSL_ERROR_SSL: | |
920 | BIO_printf(bio_s_out,"ERROR\n"); | |
d02b48c6 | 921 | ERR_print_errors(bio_err); |
58964a49 RE |
922 | ret=1; |
923 | goto err; | |
924 | case SSL_ERROR_ZERO_RETURN: | |
d02b48c6 RE |
925 | BIO_printf(bio_s_out,"DONE\n"); |
926 | ret=1; | |
927 | goto err; | |
928 | } | |
d02b48c6 RE |
929 | } |
930 | } | |
931 | } | |
932 | err: | |
933 | BIO_printf(bio_s_out,"shutting down SSL\n"); | |
934 | #if 1 | |
935 | SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); | |
936 | #else | |
937 | SSL_shutdown(con); | |
938 | #endif | |
939 | if (con != NULL) SSL_free(con); | |
940 | BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); | |
941 | if (buf != NULL) | |
942 | { | |
dfeab068 | 943 | memset(buf,0,bufsize); |
d02b48c6 RE |
944 | Free(buf); |
945 | } | |
946 | if (ret >= 0) | |
947 | BIO_printf(bio_s_out,"ACCEPT\n"); | |
948 | return(ret); | |
949 | } | |
950 | ||
6b691a5c | 951 | static void close_accept_socket(void) |
d02b48c6 RE |
952 | { |
953 | BIO_printf(bio_err,"shutdown accept socket\n"); | |
954 | if (accept_socket >= 0) | |
955 | { | |
956 | SHUTDOWN2(accept_socket); | |
957 | } | |
958 | } | |
959 | ||
6b691a5c | 960 | static int init_ssl_connection(SSL *con) |
d02b48c6 RE |
961 | { |
962 | int i; | |
e778802f | 963 | const char *str; |
d02b48c6 | 964 | X509 *peer; |
58964a49 | 965 | long verify_error; |
d02b48c6 RE |
966 | MS_STATIC char buf[BUFSIZ]; |
967 | ||
968 | if ((i=SSL_accept(con)) <= 0) | |
969 | { | |
970 | if (BIO_sock_should_retry(i)) | |
971 | { | |
972 | BIO_printf(bio_s_out,"DELAY\n"); | |
973 | return(1); | |
974 | } | |
975 | ||
976 | BIO_printf(bio_err,"ERROR\n"); | |
977 | verify_error=SSL_get_verify_result(con); | |
978 | if (verify_error != X509_V_OK) | |
979 | { | |
980 | BIO_printf(bio_err,"verify error:%s\n", | |
981 | X509_verify_cert_error_string(verify_error)); | |
982 | } | |
983 | else | |
984 | ERR_print_errors(bio_err); | |
985 | return(0); | |
986 | } | |
987 | ||
988 | PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); | |
989 | ||
990 | peer=SSL_get_peer_certificate(con); | |
991 | if (peer != NULL) | |
992 | { | |
993 | BIO_printf(bio_s_out,"Client certificate\n"); | |
994 | PEM_write_bio_X509(bio_s_out,peer); | |
995 | X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ); | |
996 | BIO_printf(bio_s_out,"subject=%s\n",buf); | |
997 | X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ); | |
998 | BIO_printf(bio_s_out,"issuer=%s\n",buf); | |
999 | X509_free(peer); | |
1000 | } | |
1001 | ||
1002 | if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL) | |
1003 | BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); | |
1004 | str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); | |
1005 | BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); | |
1006 | if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); | |
dfeab068 RE |
1007 | if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & |
1008 | TLS1_FLAGS_TLS_PADDING_BUG) | |
1009 | BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); | |
1010 | ||
d02b48c6 RE |
1011 | return(1); |
1012 | } | |
1013 | ||
58964a49 | 1014 | #ifndef NO_DH |
6b691a5c | 1015 | static DH *load_dh_param(void) |
d02b48c6 RE |
1016 | { |
1017 | DH *ret=NULL; | |
1018 | BIO *bio; | |
1019 | ||
d02b48c6 RE |
1020 | if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL) |
1021 | goto err; | |
1022 | ret=PEM_read_bio_DHparams(bio,NULL,NULL); | |
1023 | err: | |
1024 | if (bio != NULL) BIO_free(bio); | |
d02b48c6 RE |
1025 | return(ret); |
1026 | } | |
58964a49 | 1027 | #endif |
d02b48c6 RE |
1028 | |
1029 | #if 0 | |
6b691a5c | 1030 | static int load_CA(SSL_CTX *ctx, char *file) |
d02b48c6 RE |
1031 | { |
1032 | FILE *in; | |
1033 | X509 *x=NULL; | |
1034 | ||
1035 | if ((in=fopen(file,"r")) == NULL) | |
1036 | return(0); | |
1037 | ||
1038 | for (;;) | |
1039 | { | |
1040 | if (PEM_read_X509(in,&x,NULL) == NULL) | |
1041 | break; | |
1042 | SSL_CTX_add_client_CA(ctx,x); | |
1043 | } | |
1044 | if (x != NULL) X509_free(x); | |
1045 | fclose(in); | |
1046 | return(1); | |
1047 | } | |
1048 | #endif | |
1049 | ||
61f5b6f3 | 1050 | static int www_body(char *hostname, int s, unsigned char *context) |
d02b48c6 | 1051 | { |
dfeab068 | 1052 | char *buf=NULL; |
d02b48c6 RE |
1053 | int ret=1; |
1054 | int i,j,k,blank,dot; | |
1055 | struct stat st_buf; | |
1056 | SSL *con; | |
1057 | SSL_CIPHER *c; | |
1058 | BIO *io,*ssl_bio,*sbio; | |
58964a49 | 1059 | long total_bytes; |
d02b48c6 | 1060 | |
dfeab068 RE |
1061 | buf=Malloc(bufsize); |
1062 | if (buf == NULL) return(0); | |
d02b48c6 RE |
1063 | io=BIO_new(BIO_f_buffer()); |
1064 | ssl_bio=BIO_new(BIO_f_ssl()); | |
1065 | if ((io == NULL) || (ssl_bio == NULL)) goto err; | |
1066 | ||
1067 | #ifdef FIONBIO | |
1068 | if (s_nbio) | |
1069 | { | |
58964a49 | 1070 | unsigned long sl=1; |
d02b48c6 RE |
1071 | |
1072 | if (!s_quiet) | |
1073 | BIO_printf(bio_err,"turning on non blocking io\n"); | |
58964a49 RE |
1074 | if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) |
1075 | ERR_print_errors(bio_err); | |
d02b48c6 RE |
1076 | } |
1077 | #endif | |
1078 | ||
1079 | /* lets make the output buffer a reasonable size */ | |
dfeab068 | 1080 | if (!BIO_set_write_buffer_size(io,bufsize)) goto err; |
d02b48c6 RE |
1081 | |
1082 | if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err; | |
61f5b6f3 BL |
1083 | if(context) SSL_set_session_id_context(con, context, |
1084 | strlen((char *)context)); | |
d02b48c6 RE |
1085 | |
1086 | sbio=BIO_new_socket(s,BIO_NOCLOSE); | |
1087 | if (s_nbio_test) | |
1088 | { | |
1089 | BIO *test; | |
1090 | ||
1091 | test=BIO_new(BIO_f_nbio_test()); | |
1092 | sbio=BIO_push(test,sbio); | |
1093 | } | |
1094 | SSL_set_bio(con,sbio,sbio); | |
1095 | SSL_set_accept_state(con); | |
1096 | ||
1097 | /* SSL_set_fd(con,s); */ | |
1098 | BIO_set_ssl(ssl_bio,con,BIO_CLOSE); | |
1099 | BIO_push(io,ssl_bio); | |
a53955d8 UM |
1100 | #ifdef CHARSET_EBCDIC |
1101 | io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); | |
1102 | #endif | |
d02b48c6 RE |
1103 | |
1104 | if (s_debug) | |
1105 | { | |
1106 | con->debug=1; | |
1107 | BIO_set_callback(SSL_get_rbio(con),bio_dump_cb); | |
1108 | BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out); | |
1109 | } | |
1110 | ||
1111 | blank=0; | |
1112 | for (;;) | |
1113 | { | |
1114 | if (hack) | |
1115 | { | |
1116 | i=SSL_accept(con); | |
1117 | ||
1118 | switch (SSL_get_error(con,i)) | |
1119 | { | |
1120 | case SSL_ERROR_NONE: | |
1121 | break; | |
1122 | case SSL_ERROR_WANT_WRITE: | |
1123 | case SSL_ERROR_WANT_READ: | |
1124 | case SSL_ERROR_WANT_X509_LOOKUP: | |
1125 | continue; | |
1126 | case SSL_ERROR_SYSCALL: | |
1127 | case SSL_ERROR_SSL: | |
1128 | case SSL_ERROR_ZERO_RETURN: | |
1129 | ret=1; | |
1130 | goto err; | |
dfeab068 | 1131 | /* break; */ |
d02b48c6 RE |
1132 | } |
1133 | ||
1134 | SSL_renegotiate(con); | |
1135 | SSL_write(con,NULL,0); | |
1136 | } | |
1137 | ||
dfeab068 | 1138 | i=BIO_gets(io,buf,bufsize-1); |
d02b48c6 RE |
1139 | if (i < 0) /* error */ |
1140 | { | |
1141 | if (!BIO_should_retry(io)) | |
1142 | { | |
1143 | if (!s_quiet) | |
1144 | ERR_print_errors(bio_err); | |
1145 | goto err; | |
1146 | } | |
1147 | else | |
1148 | { | |
1149 | BIO_printf(bio_s_out,"read R BLOCK\n"); | |
1150 | #ifndef MSDOS | |
1151 | sleep(1); | |
1152 | #endif | |
1153 | continue; | |
1154 | } | |
1155 | } | |
1156 | else if (i == 0) /* end of input */ | |
1157 | { | |
1158 | ret=1; | |
1159 | goto end; | |
1160 | } | |
1161 | ||
1162 | /* else we have data */ | |
1163 | if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || | |
58964a49 | 1164 | ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) |
d02b48c6 RE |
1165 | { |
1166 | char *p; | |
1167 | X509 *peer; | |
f73e07cf | 1168 | STACK_OF(SSL_CIPHER) *sk; |
58964a49 | 1169 | static char *space=" "; |
d02b48c6 RE |
1170 | |
1171 | BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); | |
a53955d8 | 1172 | BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); |
d02b48c6 RE |
1173 | BIO_puts(io,"<pre>\n"); |
1174 | /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ | |
1175 | BIO_puts(io,"\n"); | |
1176 | for (i=0; i<local_argc; i++) | |
1177 | { | |
1178 | BIO_puts(io,local_argv[i]); | |
1179 | BIO_write(io," ",1); | |
1180 | } | |
1181 | BIO_puts(io,"\n"); | |
1182 | ||
1183 | /* The following is evil and should not really | |
1184 | * be done */ | |
1185 | BIO_printf(io,"Ciphers supported in s_server binary\n"); | |
1186 | sk=SSL_get_ciphers(con); | |
f73e07cf | 1187 | j=sk_SSL_CIPHER_num(sk); |
d02b48c6 RE |
1188 | for (i=0; i<j; i++) |
1189 | { | |
f73e07cf | 1190 | c=sk_SSL_CIPHER_value(sk,i); |
58964a49 | 1191 | BIO_printf(io,"%-11s:%-25s", |
d02b48c6 RE |
1192 | SSL_CIPHER_get_version(c), |
1193 | SSL_CIPHER_get_name(c)); | |
58964a49 | 1194 | if ((((i+1)%2) == 0) && (i+1 != j)) |
d02b48c6 RE |
1195 | BIO_puts(io,"\n"); |
1196 | } | |
1197 | BIO_puts(io,"\n"); | |
dfeab068 | 1198 | p=SSL_get_shared_ciphers(con,buf,bufsize); |
d02b48c6 RE |
1199 | if (p != NULL) |
1200 | { | |
1201 | BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); | |
1202 | j=i=0; | |
1203 | while (*p) | |
1204 | { | |
1205 | if (*p == ':') | |
1206 | { | |
58964a49 | 1207 | BIO_write(io,space,26-j); |
d02b48c6 RE |
1208 | i++; |
1209 | j=0; | |
1210 | BIO_write(io,((i%3)?" ":"\n"),1); | |
1211 | } | |
1212 | else | |
1213 | { | |
1214 | BIO_write(io,p,1); | |
1215 | j++; | |
1216 | } | |
1217 | p++; | |
1218 | } | |
1219 | BIO_puts(io,"\n"); | |
1220 | } | |
1221 | BIO_printf(io,((con->hit) | |
1222 | ?"---\nReused, " | |
1223 | :"---\nNew, ")); | |
1224 | c=SSL_get_current_cipher(con); | |
58964a49 | 1225 | BIO_printf(io,"%s, Cipher is %s\n", |
d02b48c6 RE |
1226 | SSL_CIPHER_get_version(c), |
1227 | SSL_CIPHER_get_name(c)); | |
1228 | SSL_SESSION_print(io,SSL_get_session(con)); | |
1229 | BIO_printf(io,"---\n"); | |
1230 | print_stats(io,SSL_get_SSL_CTX(con)); | |
1231 | BIO_printf(io,"---\n"); | |
1232 | peer=SSL_get_peer_certificate(con); | |
1233 | if (peer != NULL) | |
1234 | { | |
1235 | BIO_printf(io,"Client certificate\n"); | |
1236 | X509_print(io,peer); | |
1237 | PEM_write_bio_X509(io,peer); | |
1238 | } | |
1239 | else | |
1240 | BIO_puts(io,"no client certificate available\n"); | |
58964a49 | 1241 | BIO_puts(io,"</BODY></HTML>\r\n\r\n"); |
d02b48c6 RE |
1242 | break; |
1243 | } | |
a53955d8 | 1244 | else if ((www == 2) && (strncmp("GET /",buf,5) == 0)) |
d02b48c6 RE |
1245 | { |
1246 | BIO *file; | |
1247 | char *p,*e; | |
1248 | static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; | |
1249 | ||
1250 | /* skip the '/' */ | |
1251 | p= &(buf[5]); | |
1252 | dot=0; | |
1253 | for (e=p; *e != '\0'; e++) | |
1254 | { | |
1255 | if (e[0] == ' ') break; | |
1256 | if ( (e[0] == '.') && | |
1257 | (strncmp(&(e[-1]),"/../",4) == 0)) | |
1258 | dot=1; | |
1259 | } | |
58964a49 | 1260 | |
d02b48c6 RE |
1261 | |
1262 | if (*e == '\0') | |
1263 | { | |
1264 | BIO_puts(io,text); | |
1265 | BIO_printf(io,"'%s' is an invalid file name\r\n",p); | |
1266 | break; | |
1267 | } | |
1268 | *e='\0'; | |
1269 | ||
1270 | if (dot) | |
1271 | { | |
1272 | BIO_puts(io,text); | |
1273 | BIO_printf(io,"'%s' contains '..' reference\r\n",p); | |
1274 | break; | |
1275 | } | |
1276 | ||
1277 | if (*p == '/') | |
1278 | { | |
1279 | BIO_puts(io,text); | |
1280 | BIO_printf(io,"'%s' is an invalid path\r\n",p); | |
1281 | break; | |
1282 | } | |
1283 | ||
1284 | /* append if a directory lookup */ | |
1285 | if (e[-1] == '/') | |
1286 | strcat(p,"index.html"); | |
1287 | ||
1288 | /* if a directory, do the index thang */ | |
1289 | if (stat(p,&st_buf) < 0) | |
1290 | { | |
1291 | BIO_puts(io,text); | |
1292 | BIO_printf(io,"Error accessing '%s'\r\n",p); | |
1293 | ERR_print_errors(io); | |
1294 | break; | |
1295 | } | |
1296 | if (S_ISDIR(st_buf.st_mode)) | |
1297 | { | |
1298 | strcat(p,"/index.html"); | |
1299 | } | |
1300 | ||
1301 | if ((file=BIO_new_file(p,"r")) == NULL) | |
1302 | { | |
1303 | BIO_puts(io,text); | |
1304 | BIO_printf(io,"Error opening '%s'\r\n",p); | |
1305 | ERR_print_errors(io); | |
1306 | break; | |
1307 | } | |
1308 | ||
1309 | if (!s_quiet) | |
1310 | BIO_printf(bio_err,"FILE:%s\n",p); | |
1311 | ||
1312 | i=strlen(p); | |
1313 | if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || | |
1314 | ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || | |
1315 | ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) | |
1316 | BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); | |
1317 | else | |
1318 | BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); | |
1319 | /* send the file */ | |
58964a49 | 1320 | total_bytes=0; |
d02b48c6 RE |
1321 | for (;;) |
1322 | { | |
dfeab068 | 1323 | i=BIO_read(file,buf,bufsize); |
d02b48c6 RE |
1324 | if (i <= 0) break; |
1325 | ||
dfeab068 | 1326 | #ifdef RENEG |
58964a49 RE |
1327 | total_bytes+=i; |
1328 | fprintf(stderr,"%d\n",i); | |
1329 | if (total_bytes > 3*1024) | |
1330 | { | |
1331 | total_bytes=0; | |
1332 | fprintf(stderr,"RENEGOTIATE\n"); | |
1333 | SSL_renegotiate(con); | |
1334 | } | |
dfeab068 | 1335 | #endif |
58964a49 | 1336 | |
d02b48c6 RE |
1337 | for (j=0; j<i; ) |
1338 | { | |
58964a49 RE |
1339 | #ifdef RENEG |
1340 | { static count=0; if (++count == 13) { SSL_renegotiate(con); } } | |
1341 | #endif | |
d02b48c6 RE |
1342 | k=BIO_write(io,&(buf[j]),i-j); |
1343 | if (k <= 0) | |
1344 | { | |
1345 | if (!BIO_should_retry(io)) | |
58964a49 | 1346 | goto write_error; |
d02b48c6 RE |
1347 | else |
1348 | { | |
1349 | BIO_printf(bio_s_out,"rwrite W BLOCK\n"); | |
1350 | } | |
1351 | } | |
1352 | else | |
1353 | { | |
1354 | j+=k; | |
1355 | } | |
1356 | } | |
1357 | } | |
58964a49 | 1358 | write_error: |
d02b48c6 RE |
1359 | BIO_free(file); |
1360 | break; | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | for (;;) | |
1365 | { | |
1366 | i=(int)BIO_flush(io); | |
1367 | if (i <= 0) | |
1368 | { | |
1369 | if (!BIO_should_retry(io)) | |
1370 | break; | |
1371 | } | |
1372 | else | |
1373 | break; | |
1374 | } | |
1375 | end: | |
58964a49 | 1376 | #if 1 |
d02b48c6 RE |
1377 | /* make sure we re-use sessions */ |
1378 | SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); | |
1379 | #else | |
1380 | /* This kills performace */ | |
58964a49 RE |
1381 | /* SSL_shutdown(con); A shutdown gets sent in the |
1382 | * BIO_free_all(io) procession */ | |
d02b48c6 RE |
1383 | #endif |
1384 | ||
1385 | err: | |
1386 | ||
1387 | if (ret >= 0) | |
1388 | BIO_printf(bio_s_out,"ACCEPT\n"); | |
1389 | ||
dfeab068 | 1390 | if (buf != NULL) Free(buf); |
d02b48c6 | 1391 | if (io != NULL) BIO_free_all(io); |
58964a49 | 1392 | /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ |
d02b48c6 RE |
1393 | return(ret); |
1394 | } | |
1395 | ||
f5d7a031 | 1396 | #ifndef NO_RSA |
6b691a5c | 1397 | static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength) |
d02b48c6 RE |
1398 | { |
1399 | static RSA *rsa_tmp=NULL; | |
1400 | ||
1401 | if (rsa_tmp == NULL) | |
1402 | { | |
1403 | if (!s_quiet) | |
1404 | { | |
60e31c3a | 1405 | BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); |
d02b48c6 RE |
1406 | BIO_flush(bio_err); |
1407 | } | |
60e31c3a | 1408 | rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL); |
d02b48c6 RE |
1409 | if (!s_quiet) |
1410 | { | |
1411 | BIO_printf(bio_err,"\n"); | |
1412 | BIO_flush(bio_err); | |
1413 | } | |
1414 | } | |
1415 | return(rsa_tmp); | |
1416 | } | |
f5d7a031 | 1417 | #endif |