| … | |
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| 29 | |
29 | |
| 30 | #include <sys/types.h> |
30 | #include <sys/types.h> |
| 31 | #include <sys/socket.h> |
31 | #include <sys/socket.h> |
| 32 | #include <sys/poll.h> |
32 | #include <sys/poll.h> |
| 33 | #include <sys/wait.h> |
33 | #include <sys/wait.h> |
| 34 | #include <netinet/in.h> |
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| 35 | #include <sys/uio.h> |
34 | #include <sys/uio.h> |
| 36 | #include <arpa/inet.h> |
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| 37 | #include <errno.h> |
35 | #include <errno.h> |
| 38 | #include <time.h> |
36 | #include <time.h> |
| 39 | #include <unistd.h> |
37 | #include <unistd.h> |
| 40 | |
38 | |
| 41 | #include <map> |
39 | #include <map> |
| 42 | #include <unistd.h> |
40 | #include <unistd.h> |
| 43 | #include <fcntl.h> |
41 | #include <fcntl.h> |
| 44 | #include <sys/poll.h> |
42 | #include <sys/poll.h> |
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|
43 | |
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44 | #include "netcompat.h" |
| 45 | |
45 | |
| 46 | #include "vpn.h" |
46 | #include "vpn.h" |
| 47 | |
47 | |
| 48 | #if ENABLE_HTTP_PROXY |
48 | #if ENABLE_HTTP_PROXY |
| 49 | # include "conf.h" |
49 | # include "conf.h" |
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| 169 | if (w_ofs < 2) |
169 | if (w_ofs < 2) |
| 170 | { |
170 | { |
| 171 | u16 plen = htons (w_pkt->len); |
171 | u16 plen = htons (w_pkt->len); |
| 172 | |
172 | |
| 173 | iovec vec[2]; |
173 | iovec vec[2]; |
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|
174 | //TODO: char* is the right type? hardly... |
| 174 | vec[0].iov_base = ((u8 *)&plen) + w_ofs; |
175 | vec[0].iov_base = (char *)((u8 *)&plen) + w_ofs; |
| 175 | vec[0].iov_len = 2 - w_ofs; |
176 | vec[0].iov_len = 2 - w_ofs; |
| 176 | vec[1].iov_base = &((*w_pkt)[0]); |
177 | vec[1].iov_base = (char *)&((*w_pkt)[0]); |
| 177 | vec[1].iov_len = w_len - 2; |
178 | vec[1].iov_len = w_len - 2; |
| 178 | |
179 | |
| 179 | len = writev (fd, vec, 2); |
180 | len = writev (fd, vec, 2); |
| 180 | } |
181 | } |
| 181 | else |
182 | else |
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| 320 | |
321 | |
| 321 | fcntl (fd, F_SETFL, O_NONBLOCK); |
322 | fcntl (fd, F_SETFL, O_NONBLOCK); |
| 322 | |
323 | |
| 323 | if (i < 12) |
324 | if (i < 12) |
| 324 | { |
325 | { |
| 325 | slog (L_ERR, _("%s: unable to do proxy-forwarding, short response"), |
326 | slog (L_ERR, _("(%s): unable to do proxy-forwarding, short response"), |
| 326 | (const char *)si); |
327 | (const char *)si); |
| 327 | error (); |
328 | error (); |
| 328 | } |
329 | } |
| 329 | else if (r[0] != 'H' || r[1] != 'T' || r[2] != 'T' || r[3] != 'P' || r[4] != '/' |
330 | else if (r[0] != 'H' || r[1] != 'T' || r[2] != 'T' || r[3] != 'P' || r[4] != '/' |
| 330 | || r[5] != '1' // http-major |
331 | || r[5] != '1' // http-major |
| 331 | || r[9] != '2') // response |
332 | || r[9] != '2') // response |
| 332 | { |
333 | { |
| 333 | slog (L_ERR, _("%s: malformed or unexpected proxy response (%.12s)"), |
334 | slog (L_ERR, _("(%s): malformed or unexpected proxy response (%.12s)"), |
| 334 | (const char *)si, r); |
335 | (const char *)si, r); |
| 335 | error (); |
336 | error (); |
| 336 | } |
337 | } |
| 337 | else |
338 | else |
| 338 | state = ESTABLISHED; |
339 | state = ESTABLISHED; |
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| 401 | // right thing to do, not using tcp *is* the right thing to do. |
402 | // right thing to do, not using tcp *is* the right thing to do. |
| 402 | if (!w_pkt) |
403 | if (!w_pkt) |
| 403 | { |
404 | { |
| 404 | // how this maps to the underlying tcp packets we don't know |
405 | // how this maps to the underlying tcp packets we don't know |
| 405 | // and we don't care. at least we tried ;) |
406 | // and we don't care. at least we tried ;) |
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|
407 | #if defined(SOL_IP) && defined(IP_TOS) |
| 406 | setsockopt (fd, SOL_IP, IP_TOS, &tos, sizeof tos); |
408 | setsockopt (fd, SOL_IP, IP_TOS, &tos, sizeof tos); |
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|
409 | #endif |
| 407 | |
410 | |
| 408 | w_pkt = pkt; |
411 | w_pkt = pkt; |
| 409 | w_ofs = 0; |
412 | w_ofs = 0; |
| 410 | w_len = pkt->len + 2; // length + size header |
413 | w_len = pkt->len + 2; // length + size header |
| 411 | |
414 | |
