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ssl: Fix indentation (not sure how this happened)
0 | 1 | /*-------------------------------------------------------------------------- |
2 | * LuaSec 0.4 | |
3 | * Copyright (C) 2006-2009 Bruno Silvestre | |
4 | * | |
5 | *--------------------------------------------------------------------------*/ | |
6 | ||
7 | #include <string.h> | |
8 | ||
9 | #include <openssl/ssl.h> | |
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10 | #include <openssl/x509v3.h> |
0 | 11 | #include <openssl/err.h> |
12 | ||
13 | #include <lua.h> | |
14 | #include <lauxlib.h> | |
15 | ||
16 | #include "io.h" | |
17 | #include "buffer.h" | |
18 | #include "timeout.h" | |
19 | #include "socket.h" | |
20 | #include "ssl.h" | |
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21 | #include "x509.h" |
0 | 22 | |
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23 | /* index into the SSL storage where the t_ssl is. |
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24 | * see SSL_get_ex_data(). |
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25 | */ |
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26 | static int luasec_ssl_idx; |
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27 | |
0 | 28 | /** |
29 | * Map error code into string. | |
30 | */ | |
31 | static const char *ssl_ioerror(void *ctx, int err) | |
32 | { | |
33 | if (err == IO_SSL) { | |
34 | p_ssl ssl = (p_ssl) ctx; | |
35 | switch(ssl->error) { | |
36 | case SSL_ERROR_NONE: return "No error"; | |
37 | case SSL_ERROR_ZERO_RETURN: return "closed"; | |
38 | case SSL_ERROR_WANT_READ: return "wantread"; | |
39 | case SSL_ERROR_WANT_WRITE: return "wantwrite"; | |
40 | case SSL_ERROR_WANT_CONNECT: return "'connect' not completed"; | |
41 | case SSL_ERROR_WANT_ACCEPT: return "'accept' not completed"; | |
42 | case SSL_ERROR_WANT_X509_LOOKUP: return "Waiting for callback"; | |
43 | case SSL_ERROR_SYSCALL: return "System error"; | |
44 | case SSL_ERROR_SSL: return ERR_reason_error_string(ERR_get_error()); | |
45 | default: return "Unknown SSL error"; | |
46 | } | |
47 | } | |
48 | return socket_strerror(err); | |
49 | } | |
50 | ||
51 | /** | |
52 | * Close the connection before the GC collect the object. | |
53 | */ | |
54 | static int meth_destroy(lua_State *L) | |
55 | { | |
56 | p_ssl ssl = (p_ssl) lua_touserdata(L, 1); | |
57 | if (ssl->ssl) { | |
58 | socket_setblocking(&ssl->sock); | |
59 | SSL_shutdown(ssl->ssl); | |
60 | socket_destroy(&ssl->sock); | |
61 | SSL_free(ssl->ssl); | |
62 | ssl->ssl = NULL; | |
63 | } | |
64 | return 0; | |
65 | } | |
66 | ||
67 | /** | |
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68 | * Object information -- tostring metamethod |
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69 | */ |
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70 | static int meth_tostring(lua_State *L) |
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71 | { |
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72 | p_ssl ssl = (p_ssl)lua_touserdata(L, 1); |
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73 | lua_pushfstring(L, "SSL connection: %p", ssl); |
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74 | return 1; |
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75 | } |
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76 | |
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77 | /** |
0 | 78 | * Perform the TLS/SSL handshake |
79 | */ | |
80 | static int handshake(p_ssl ssl) | |
81 | { | |
82 | int err; | |
83 | p_timeout tm = timeout_markstart(&ssl->tm); | |
84 | if (ssl->state == ST_SSL_CLOSED) | |
85 | return IO_CLOSED; | |
86 | for ( ; ; ) { | |
87 | ERR_clear_error(); | |
88 | err = SSL_do_handshake(ssl->ssl); | |
89 | ssl->error = SSL_get_error(ssl->ssl, err); | |
90 | switch(ssl->error) { | |
91 | case SSL_ERROR_NONE: | |
92 | ssl->state = ST_SSL_CONNECTED; | |
93 | return IO_DONE; | |
94 | case SSL_ERROR_WANT_READ: | |
95 | err = socket_waitfd(&ssl->sock, WAITFD_R, tm); | |
96 | if (err == IO_TIMEOUT) return IO_SSL; | |
97 | if (err != IO_DONE) return err; | |
98 | break; | |
99 | case SSL_ERROR_WANT_WRITE: | |
100 | err = socket_waitfd(&ssl->sock, WAITFD_W, tm); | |
101 | if (err == IO_TIMEOUT) return IO_SSL; | |
102 | if (err != IO_DONE) return err; | |
103 | break; | |
104 | case SSL_ERROR_SYSCALL: | |
105 | if (ERR_peek_error()) { | |
106 | ssl->error = SSL_ERROR_SSL; | |
107 | return IO_SSL; | |
108 | } | |
109 | if (err == 0) | |
110 | return IO_CLOSED; | |
111 | return socket_error(); | |
112 | default: | |
113 | return IO_SSL; | |
114 | } | |
115 | } | |
116 | return IO_UNKNOWN; | |
117 | } | |
118 | ||
119 | /** | |
120 | * Send data | |
121 | */ | |
122 | static int ssl_send(void *ctx, const char *data, size_t count, size_t *sent, | |
123 | p_timeout tm) | |
124 | { | |
125 | int err; | |
126 | p_ssl ssl = (p_ssl) ctx; | |
127 | if (ssl->state == ST_SSL_CLOSED) | |
128 | return IO_CLOSED; | |
129 | *sent = 0; | |
130 | for ( ; ; ) { | |
131 | ERR_clear_error(); | |
132 | err = SSL_write(ssl->ssl, data, (int) count); | |
133 | ssl->error = SSL_get_error(ssl->ssl, err); | |
134 | switch(ssl->error) { | |
135 | case SSL_ERROR_NONE: | |
136 | *sent = err; | |
137 | return IO_DONE; | |
138 | case SSL_ERROR_WANT_READ: | |
139 | err = socket_waitfd(&ssl->sock, WAITFD_R, tm); | |
140 | if (err == IO_TIMEOUT) return IO_SSL; | |
141 | if (err != IO_DONE) return err; | |
142 | break; | |
143 | case SSL_ERROR_WANT_WRITE: | |
144 | err = socket_waitfd(&ssl->sock, WAITFD_W, tm); | |
145 | if (err == IO_TIMEOUT) return IO_SSL; | |
146 | if (err != IO_DONE) return err; | |
147 | break; | |
148 | case SSL_ERROR_SYSCALL: | |
149 | if (ERR_peek_error()) { | |
150 | ssl->error = SSL_ERROR_SSL; | |
151 | return IO_SSL; | |
152 | } | |
153 | if (err == 0) | |
154 | return IO_CLOSED; | |
155 | return socket_error(); | |
156 | default: | |
157 | return IO_SSL; | |
158 | } | |
159 | } | |
160 | return IO_UNKNOWN; | |
161 | } | |
162 | ||
163 | /** | |
164 | * Receive data | |
165 | */ | |
166 | static int ssl_recv(void *ctx, char *data, size_t count, size_t *got, | |
167 | p_timeout tm) | |
168 | { | |
169 | int err; | |
170 | p_ssl ssl = (p_ssl) ctx; | |
171 | if (ssl->state == ST_SSL_CLOSED) | |
172 | return IO_CLOSED; | |
173 | *got = 0; | |
174 | for ( ; ; ) { | |
175 | ERR_clear_error(); | |
176 | err = SSL_read(ssl->ssl, data, (int) count); | |
177 | ssl->error = SSL_get_error(ssl->ssl, err); | |
178 | switch(ssl->error) { | |
179 | case SSL_ERROR_NONE: | |
180 | *got = err; | |
181 | return IO_DONE; | |
182 | case SSL_ERROR_ZERO_RETURN: | |
183 | *got = err; | |
184 | return IO_CLOSED; | |
185 | case SSL_ERROR_WANT_READ: | |
186 | err = socket_waitfd(&ssl->sock, WAITFD_R, tm); | |
187 | if (err == IO_TIMEOUT) return IO_SSL; | |
188 | if (err != IO_DONE) return err; | |
189 | break; | |
190 | case SSL_ERROR_WANT_WRITE: | |
191 | err = socket_waitfd(&ssl->sock, WAITFD_W, tm); | |
192 | if (err == IO_TIMEOUT) return IO_SSL; | |
193 | if (err != IO_DONE) return err; | |
194 | break; | |
195 | case SSL_ERROR_SYSCALL: | |
196 | if (ERR_peek_error()) { | |
197 | ssl->error = SSL_ERROR_SSL; | |
198 | return IO_SSL; | |
199 | } | |
200 | if (err == 0) | |
201 | return IO_CLOSED; | |
202 | return socket_error(); | |
203 | default: | |
204 | return IO_SSL; | |
205 | } | |
206 | } | |
207 | return IO_UNKNOWN; | |
208 | } | |
209 | ||
210 | /** | |
211 | * Create a new TLS/SSL object and mark it as new. | |
212 | */ | |
213 | static int meth_create(lua_State *L) | |
214 | { | |
215 | p_ssl ssl; | |
216 | int mode = ctx_getmode(L, 1); | |
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217 | p_context ctx = checkctx(L, 1); |
0 | 218 | |
219 | if (mode == MD_CTX_INVALID) { | |
220 | lua_pushnil(L); | |
221 | lua_pushstring(L, "invalid mode"); | |
222 | return 2; | |
223 | } | |
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224 | if (luasec_ssl_idx == -1) { |
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225 | luasec_ssl_idx = SSL_get_ex_new_index(0, "luasec ssl context", NULL, NULL, NULL); |
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226 | if (luasec_ssl_idx == -1) { |
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227 | lua_pushnil(L); |
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228 | lua_pushstring(L, "error creating luasec SSL index"); |
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229 | return 2; |
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230 | } |
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231 | } |
0 | 232 | ssl = (p_ssl) lua_newuserdata(L, sizeof(t_ssl)); |
233 | if (!ssl) { | |
234 | lua_pushnil(L); | |
235 | lua_pushstring(L, "error creating SSL object"); | |
236 | return 2; | |
237 | } | |
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238 | ssl->ssl = SSL_new(ctx->context); |
0 | 239 | if (!ssl->ssl) { |
240 | lua_pushnil(L); | |
241 | lua_pushstring(L, "error creating SSL object"); | |
242 | return 2;; | |
243 | } | |
244 | ssl->state = ST_SSL_NEW; | |
245 | SSL_set_fd(ssl->ssl, (int) SOCKET_INVALID); | |
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246 | SSL_set_mode(ssl->ssl, SSL_MODE_ENABLE_PARTIAL_WRITE | |
0 | 247 | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); |
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248 | |
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249 | #ifdef SSL_MODE_RELEASE_BUFFERS |
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250 | SSL_set_mode(ssl->ssl, SSL_MODE_RELEASE_BUFFERS); |
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251 | #endif |
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252 | |
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253 | SSL_set_ex_data(ssl->ssl, luasec_ssl_idx, ssl); |
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254 | |
0 | 255 | if (mode == MD_CTX_SERVER) |
256 | SSL_set_accept_state(ssl->ssl); | |
257 | else | |
258 | SSL_set_connect_state(ssl->ssl); | |
259 | ||
260 | io_init(&ssl->io, (p_send) ssl_send, (p_recv) ssl_recv, | |
261 | (p_error) ssl_ioerror, ssl); | |
262 | timeout_init(&ssl->tm, -1, -1); | |
263 | buffer_init(&ssl->buf, &ssl->io, &ssl->tm); | |
264 | ||
265 | luaL_getmetatable(L, "SSL:Connection"); | |
266 | lua_setmetatable(L, -2); | |
267 | return 1; | |
268 | } | |
269 | ||
270 | /** | |
271 | * Buffer send function | |
272 | */ | |
273 | static int meth_send(lua_State *L) { | |
274 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
275 | return buffer_meth_send(L, &ssl->buf); | |
276 | } | |
277 | ||
278 | /** | |
279 | * Buffer receive function | |
280 | */ | |
281 | static int meth_receive(lua_State *L) { | |
282 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
283 | return buffer_meth_receive(L, &ssl->buf); | |
284 | } | |
285 | ||
286 | /** | |
287 | * Select support methods | |
288 | */ | |
289 | static int meth_getfd(lua_State *L) | |
290 | { | |
291 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
292 | lua_pushnumber(L, ssl->sock); | |
293 | return 1; | |
294 | } | |
295 | ||
296 | /** | |
297 | * Set the TLS/SSL file descriptor. | |
298 | * This is done *before* the handshake. | |
299 | */ | |
300 | static int meth_setfd(lua_State *L) | |
301 | { | |
302 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
303 | if (ssl->state != ST_SSL_NEW) | |
304 | luaL_argerror(L, 1, "invalid SSL object state"); | |
305 | ssl->sock = luaL_checkint(L, 2); | |
306 | socket_setnonblocking(&ssl->sock); | |
307 | SSL_set_fd(ssl->ssl, (int)ssl->sock); | |
308 | return 0; | |
309 | } | |
310 | ||
311 | /** | |
312 | * Lua handshake function. | |
313 | */ | |
314 | static int meth_handshake(lua_State *L) | |
315 | { | |
316 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
317 | int err = handshake(ssl); | |
318 | if (err == IO_DONE) { | |
319 | lua_pushboolean(L, 1); | |
320 | return 1; | |
321 | } | |
322 | lua_pushboolean(L, 0); | |
323 | lua_pushstring(L, ssl_ioerror((void*)ssl, err)); | |
324 | return 2; | |
325 | } | |
326 | ||
327 | /** | |
328 | * Close the connection. | |
329 | */ | |
330 | static int meth_close(lua_State *L) | |
331 | { | |
332 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
333 | meth_destroy(L); | |
334 | ssl->state = ST_SSL_CLOSED; | |
335 | return 0; | |
336 | } | |
337 | ||
338 | /** | |
339 | * Set timeout. | |
340 | */ | |
341 | static int meth_settimeout(lua_State *L) | |
342 | { | |
343 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
344 | return timeout_meth_settimeout(L, &ssl->tm); | |
345 | } | |
346 | ||
347 | /** | |
348 | * Check if there is data in the buffer. | |
349 | */ | |
350 | static int meth_dirty(lua_State *L) | |
351 | { | |
352 | int res = 0; | |
353 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
354 | if (ssl->state != ST_SSL_CLOSED) | |
355 | res = !buffer_isempty(&ssl->buf) || SSL_pending(ssl->ssl); | |
356 | lua_pushboolean(L, res); | |
357 | return 1; | |
358 | } | |
359 | ||
360 | /** | |
361 | * Return the state information about the SSL object. | |
362 | */ | |
363 | static int meth_want(lua_State *L) | |
364 | { | |
365 | p_ssl ssl = (p_ssl) luaL_checkudata(L, 1, "SSL:Connection"); | |
366 | int code = (ssl->state == ST_SSL_CLOSED) ? SSL_NOTHING : SSL_want(ssl->ssl); | |
367 | switch(code) { | |
368 | case SSL_NOTHING: lua_pushstring(L, "nothing"); break; | |
369 | case SSL_READING: lua_pushstring(L, "read"); break; | |
370 | case SSL_WRITING: lua_pushstring(L, "write"); break; | |
371 | case SSL_X509_LOOKUP: lua_pushstring(L, "x509lookup"); break; | |
372 | } | |
373 | return 1; | |
374 | } | |
375 | ||
376 | /** | |
377 | * Return a pointer to SSL structure. | |
378 | */ | |
379 | static int meth_rawconn(lua_State *L) | |
380 | { | |
381 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); | |
382 | lua_pushlightuserdata(L, (void*)ssl->ssl); | |
383 | return 1; | |
384 | } | |
385 | ||
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386 | /** |
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387 | * Return the compression method used. |
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388 | */ |
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389 | static int meth_compression(lua_State *L) |
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390 | { |
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391 | const COMP_METHOD *comp; |
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392 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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393 | comp = SSL_get_current_compression(ssl->ssl); |
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394 | if (comp) { |
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395 | lua_pushstring(L, SSL_COMP_get_name(comp)); |
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396 | return 1; |
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397 | } else { |
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398 | lua_pushboolean(L, 0); |
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399 | return 1; |
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400 | } |
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401 | } |
4
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402 | |
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403 | /** |
30
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404 | * Return the validation state of the peer chain |
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405 | */ |
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406 | static int meth_getpeerchainvalid(lua_State *L) |
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407 | { |
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408 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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409 | long result = SSL_get_verify_result(ssl->ssl); |
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410 | |
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411 | if (result == X509_V_OK) { |
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412 | lua_pushboolean(L, 1); |
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413 | return 1; |
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414 | } |
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415 | |
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416 | lua_pushboolean(L, 0); |
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417 | lua_pushstring(L, X509_verify_cert_error_string(result)); |
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418 | return 2; |
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419 | } |
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420 | |
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421 | static void luasec_push_cert(lua_State *L, X509 *cert) |
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422 | { |
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423 | if (cert == NULL) { |
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424 | lua_pushnil(L); |
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425 | } |
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426 | else |
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427 | { |
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428 | luasec_push_x509(L, cert); |
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429 | } |
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430 | } |
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431 | |
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432 | /** |
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433 | * Return the nth certificate of the peer's chain. |
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434 | */ |
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435 | static int meth_getpeercertificate(lua_State *L) |
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436 | { |
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437 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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438 | int n = luaL_optint(L, 2, 1); /* Default to the first cert */ |
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439 | STACK_OF(X509) *certs; |
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440 | X509 *cert; |
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441 | |
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442 | /* This function is 1-based, but OpenSSL is 0-based */ |
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443 | --n; |
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444 | if (n < 0) { |
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445 | lua_pushnil(L); |
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446 | lua_pushliteral(L, "n must be positive"); |
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447 | return 2; |
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448 | } |
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449 | |
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450 | if (n == 0) { |
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451 | luasec_push_cert(L, SSL_get_peer_certificate(ssl->ssl)); |
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452 | return 1; |
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453 | } |
37
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454 | |
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455 | /* |
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456 | * In a server-context, the stack doesn't contain the peer cert, so |
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457 | * adjust accordingly. |
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458 | */ |
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459 | if (ssl->ssl->server) |
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460 | --n; |
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461 | |
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462 | certs = SSL_get_peer_cert_chain(ssl->ssl); |
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463 | if (n >= sk_X509_num(certs)) { |
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464 | lua_pushnil(L); |
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465 | lua_pushliteral(L, "no certificate at this index"); |
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466 | return 2; |
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467 | } |
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468 | cert = sk_X509_value(certs, n); |
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469 | /* Locking...the same as in SSL_get_peer_certificate */ |
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470 | CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); |
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471 | luasec_push_cert(L, cert); |
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472 | return 1; |
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473 | } |
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474 | |
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475 | static int meth_getpeerchain(lua_State *L) |
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476 | { |
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477 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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478 | STACK_OF(X509) *certs; |
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479 | int n_certs, i; |
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480 | |
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481 | lua_newtable(L); |
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482 | |
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483 | if (ssl->ssl->server) { |
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484 | luasec_push_cert(L, SSL_get_peer_certificate(ssl->ssl)); |
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485 | lua_rawseti(L, -2, 1); |
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486 | } |
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487 | |
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488 | certs = SSL_get_peer_cert_chain(ssl->ssl); |
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489 | n_certs = sk_X509_num(certs); |
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490 | for (i = 0; i < n_certs; ++i) { |
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491 | X509 *cert = sk_X509_value(certs, i); |
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492 | /* Locking...the same as in SSL_get_peer_certificate */ |
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493 | CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); |
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494 | luasec_push_cert(L, cert); |
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495 | lua_rawseti(L, -2, lua_objlen(L, -2)+1); |
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496 | } |
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|
497 | |
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|
498 | return 1; |
4
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|
499 | } |
5
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|
500 | |
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501 | static int meth_getfinished(lua_State *L) |
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502 | { |
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503 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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504 | SSL *conn = ssl->ssl; |
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505 | char *buffer = NULL; |
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506 | size_t len = 0; |
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507 | if ((len = SSL_get_finished(conn, NULL, 0)) != 0) { |
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|
508 | buffer = malloc(len); |
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|
509 | if (buffer == NULL) return 0; |
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|
510 | len = SSL_get_finished(conn, buffer, len); |
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511 | lua_pushlstring(L, buffer, len); |
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512 | free(buffer); |
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513 | return 1; |
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514 | } else { |
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515 | return 0; |
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516 | } |
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517 | } |
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518 | |
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519 | static int meth_getpeerfinished(lua_State *L) |
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520 | { |
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521 | p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection"); |
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522 | SSL *conn = ssl->ssl; |
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523 | char *buffer = NULL; |
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524 | size_t len = 0; |
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525 | if ((len = SSL_get_peer_finished(conn, NULL, 0)) != 0) { |
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526 | buffer = malloc(len); |
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527 | if (buffer == NULL) return 0; |
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528 | len = SSL_get_peer_finished(conn, buffer, len); |
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529 | lua_pushlstring(L, buffer, len); |
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530 | free(buffer); |
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531 | return 1; |
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532 | } else { |
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533 | return 0; |
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534 | } |
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535 | } |
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536 | |
0 | 537 | /*---------------------------------------------------------------------------*/ |
538 | ||
539 | ||
540 | /** | |
541 | * SSL metamethods | |
542 | */ | |
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543 | static luaL_Reg methods[] = { |
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544 | {"close", meth_close}, |
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545 | {"getfd", meth_getfd}, |
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546 | {"dirty", meth_dirty}, |
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547 | {"dohandshake", meth_handshake}, |
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548 | {"receive", meth_receive}, |
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549 | {"send", meth_send}, |
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550 | {"settimeout", meth_settimeout}, |
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551 | {"want", meth_want}, |
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552 | {"compression", meth_compression}, |
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553 | {"getpeercertificate",meth_getpeercertificate}, |
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554 | {"getpeerchain", meth_getpeerchain}, |
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555 | {"getpeerchainvalid", meth_getpeerchainvalid}, |
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556 | {"getfinished", meth_getfinished}, |
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557 | {"getpeerfinished", meth_getpeerfinished}, |
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558 | {NULL, NULL} |
0 | 559 | }; |
560 | ||
561 | /** | |
562 | * SSL functions | |
563 | */ | |
564 | static luaL_Reg funcs[] = { | |
565 | {"create", meth_create}, | |
566 | {"setfd", meth_setfd}, | |
567 | {"rawconnection", meth_rawconn}, | |
568 | {NULL, NULL} | |
569 | }; | |
570 | ||
571 | /** | |
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572 | * Context metamethods. |
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573 | */ |
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574 | static luaL_Reg meta[] = { |
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575 | {"__gc", meth_destroy}, |
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576 | {"__tostring", meth_tostring}, |
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577 | {NULL, NULL} |
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578 | }; |
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579 | |
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580 | /** |
0 | 581 | * Initialize modules |
582 | */ | |
583 | LUASEC_API int luaopen_ssl_core(lua_State *L) | |
584 | { | |
585 | /* Initialize SSL */ | |
586 | if (!SSL_library_init()) { | |
587 | lua_pushstring(L, "unable to initialize SSL library"); | |
588 | lua_error(L); | |
589 | } | |
590 | SSL_load_error_strings(); | |
591 | ||
592 | /* Initialize internal library */ | |
593 | socket_open(); | |
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594 | |
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595 | /* Register the functions and tables */ |
0 | 596 | luaL_newmetatable(L, "SSL:Connection"); |
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597 | luaL_register(L, NULL, meta); |
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598 | |
0 | 599 | lua_newtable(L); |
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600 | luaL_register(L, NULL, methods); |
0 | 601 | lua_setfield(L, -2, "__index"); |
602 | ||
603 | luaL_register(L, "ssl.core", funcs); | |
604 | lua_pushnumber(L, SOCKET_INVALID); | |
605 | lua_setfield(L, -2, "invalidfd"); | |
606 | ||
607 | return 1; | |
608 | } | |
609 |