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annotate src/c/fastcgi.c @ 1205:7cd11380cdf1

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WHERE-dependent checking
author Adam Chlipala <adamc@hcoop.net>
date Sun, 04 Apr 2010 17:18:41 -0400
parents 15767031950c
children 236dc296c32d
rev   line source
adamc@859 1 #include <stdio.h>
adamc@859 2 #include <string.h>
adamc@859 3 #include <stdlib.h>
adamc@859 4 #include <sys/types.h>
adamc@859 5 #include <sys/socket.h>
adamc@859 6 #include <netdb.h>
adamc@859 7 #include <netinet/in.h>
adamc@859 8 #include <unistd.h>
adamc@859 9 #include <signal.h>
adamc@859 10 #include <stdarg.h>
adamc@1094 11 #include <ctype.h>
adamc@859 12
adamc@859 13 #include <pthread.h>
adamc@859 14
adamc@859 15 #include "urweb.h"
adamc@859 16 #include "request.h"
adamc@859 17 #include "queue.h"
adamc@859 18
adamc@859 19 #include "fastcgi.h"
adamc@859 20
adamc@1094 21 extern uw_app uw_application;
adamc@1094 22
adamc@859 23 typedef struct {
adamc@859 24 unsigned char version;
adamc@859 25 unsigned char type;
adamc@859 26 unsigned char requestIdB1;
adamc@859 27 unsigned char requestIdB0;
adamc@859 28 unsigned char contentLengthB1;
adamc@859 29 unsigned char contentLengthB0;
adamc@859 30 unsigned char paddingLength;
adamc@859 31 unsigned char reserved;
adamc@859 32 unsigned char contentData[65535];
adamc@859 33 } FCGI_Record;
adamc@859 34
adamc@859 35 typedef struct {
adamc@859 36 FCGI_Record r;
adamc@859 37 int sock;
adamc@859 38 } FCGI_Output;
adamc@859 39
adamc@859 40 typedef struct {
adamc@859 41 char buf[sizeof(FCGI_Record) + 255];
adamc@859 42 int available, used, sock;
adamc@859 43 } FCGI_Input;
adamc@859 44
adamc@859 45 static FCGI_Output *fastcgi_output() {
adamc@859 46 FCGI_Output *o = malloc(sizeof(FCGI_Output));
adamc@859 47
adamc@859 48 o->r.version = FCGI_VERSION_1;
adamc@859 49 o->r.paddingLength = 0;
adamc@859 50 o->r.reserved = 0;
adamc@859 51
adamc@859 52 return o;
adamc@859 53 }
adamc@859 54
adamc@859 55 static FCGI_Input *fastcgi_input() {
adamc@859 56 FCGI_Input *i = malloc(sizeof(FCGI_Input));
adamc@859 57
adamc@859 58 i->available = i->used = 0;
adamc@859 59
adamc@859 60 return i;
adamc@859 61 }
adamc@859 62
adamc@859 63 static void fastcgi_input_reset(FCGI_Input *i) {
adamc@859 64 i->available = i->used = 0;
adamc@859 65 }
adamc@859 66
adamc@859 67 static int fastcgi_send(FCGI_Output *o,
adamc@859 68 unsigned char type,
adamc@859 69 unsigned short contentLength) {
adamc@859 70 o->r.type = type;
adamc@860 71 o->r.requestIdB1 = o->r.requestIdB0 = 0;
adamc@859 72 o->r.contentLengthB1 = contentLength >> 8;
adamc@859 73 o->r.contentLengthB0 = contentLength & 255;
adamc@861 74 return uw_really_send(o->sock, &o->r, sizeof(o->r) - 65535 + contentLength);
adamc@859 75 }
adamc@859 76
adamc@859 77 #define LATEST(i) ((FCGI_Record *)(i->buf + i->used))
adamc@859 78
adamc@859 79 static FCGI_Record *fastcgi_recv(FCGI_Input *i) {
adamc@859 80 while (1) {
adamc@859 81 ssize_t n;
adamc@859 82
adamc@859 83 if (i->available >= i->used + sizeof(FCGI_Record) - 65535
adamc@859 84 && i->available >= i->used + sizeof(FCGI_Record) - 65535
adamc@860 85 + ((LATEST(i)->contentLengthB1 << 8) | LATEST(i)->contentLengthB0)
adamc@859 86 + LATEST(i)->paddingLength) {
adamc@859 87 FCGI_Record *r = LATEST(i);
adamc@859 88
adamc@859 89 i->used += sizeof(FCGI_Record) - 65535
adamc@860 90 + ((LATEST(i)->contentLengthB1 << 8) | LATEST(i)->contentLengthB0)
adamc@859 91 + LATEST(i)->paddingLength;
adamc@859 92
adamc@859 93 return r;
adamc@859 94 }
adamc@859 95
adamc@859 96 if (i->used > 0) {
adamc@859 97 memmove(i->buf, i->buf + i->used, i->available - i->used);
adamc@859 98 i->available -= i->used;
adamc@859 99 i->used = 0;
adamc@859 100 }
adamc@859 101
adamc@859 102 n = recv(i->sock, i->buf + i->available, sizeof(i->buf) - i->available, 0);
adamc@859 103
adamc@859 104 if (n <= 0)
adamc@859 105 return NULL;
adamc@859 106
adamc@859 107 i->available += n;
adamc@859 108 }
adamc@859 109 }
adamc@859 110
adamc@859 111 static void on_success(uw_context ctx) { }
adamc@859 112
adamc@859 113 static void on_failure(uw_context ctx) {
adamc@859 114 uw_write_header(ctx, "Status: 500 Internal Server Error\r\n");
adamc@859 115 }
adamc@859 116
adamc@863 117 static int write_stdout(void *data, const char *buf, size_t len) {
adamc@860 118 FCGI_Output *o = (FCGI_Output *)data;
adamc@860 119 while (len > 0) {
adamc@860 120 size_t len2 = len;
adamc@860 121 if (len2 > 65535)
adamc@860 122 len2 = 65535;
adamc@860 123 memcpy(o->r.contentData, buf, len2);
adamc@860 124 if (fastcgi_send(o, FCGI_STDOUT, len2)) {
adamc@860 125 fprintf(stderr, "fastcgi_send() failed in write_stdout().\n");
adamc@860 126 return -1;
adamc@860 127 }
adamc@860 128 buf += len2;
adamc@860 129 len -= len2;
adamc@860 130 }
adamc@860 131
adamc@860 132 return 0;
adamc@860 133 }
adamc@860 134
adamc@859 135 static void write_stderr(FCGI_Output *o, const char *fmt, ...) {
adamc@859 136 int len;
adamc@859 137 va_list ap;
adamc@859 138 va_start(ap, fmt);
adamc@859 139
adamc@1134 140 len = vsnprintf((char *)o->r.contentData, 65535, fmt, ap);
adamc@859 141 if (len < 0)
adamc@860 142 fprintf(stderr, "vsnprintf() failed in write_stderr().\n");
adamc@860 143 else if (fastcgi_send(o, FCGI_STDERR, len))
adamc@860 144 fprintf(stderr, "fastcgi_send() failed in write_stderr().\n");
adamc@860 145 }
adamc@860 146
adamc@860 147 static void close_stream(FCGI_Output *o, unsigned char type) {
adamc@860 148 if (fastcgi_send(o, type, 0))
adamc@860 149 fprintf(stderr, "fastcgi_send() failed in close_stream().\n");
adamc@859 150 }
adamc@859 151
adamc@859 152 static void log_error(void *data, const char *fmt, ...) {
adamc@859 153 FCGI_Output *o = (FCGI_Output *)data;
adamc@859 154 va_list ap;
adamc@859 155 va_start(ap, fmt);
adamc@859 156
adamc@859 157 if (o) {
adamc@1134 158 int len = vsnprintf((char *)o->r.contentData, 65535, fmt, ap);
adamc@859 159 if (len < 0)
adamc@859 160 fprintf(stderr, "vsnprintf() failed in log_error().\n");
adamc@860 161 else if (fastcgi_send(o, FCGI_STDERR, len))
adamc@859 162 fprintf(stderr, "fastcgi_send() failed in log_error().\n");
adamc@859 163 } else
adamc@859 164 vfprintf(stderr, fmt, ap);
adamc@859 165 }
adamc@859 166
adamc@859 167 static void log_debug(void *data, const char *fmt, ...) {
adamc@859 168 }
adamc@859 169
adamc@860 170 typedef struct {
adamc@860 171 char *name, *value;
adamc@860 172 unsigned name_len, value_len;
adamc@860 173 } nvp;
adamc@860 174
adamc@860 175 static char *search_nvps(nvp *nvps, const char *h) {
adamc@862 176 for (; nvps->name[0]; ++nvps)
adamc@860 177 if (!strcmp(h, nvps->name))
adamc@860 178 return nvps->value;
adamc@860 179
adamc@860 180 return NULL;
adamc@860 181 }
adamc@860 182
adamc@860 183 typedef struct {
adamc@860 184 nvp *nvps;
adamc@860 185 char *uppercased;
adamc@860 186 int n_nvps, uppercased_len;
adamc@860 187 } headers;
adamc@860 188
adamc@860 189 static char *get_header(void *data, const char *h) {
adamc@860 190 headers *hs = (headers *)data;
adamc@860 191 size_t len = strlen(h);
adamc@1134 192 char *s;
adamc@860 193 const char *saved_h = h;
adamc@860 194
adamc@860 195 if (len > hs->uppercased_len) {
adamc@860 196 hs->uppercased_len = len;
adamc@860 197 hs->uppercased = realloc(hs->uppercased, len + 6);
adamc@860 198 }
adamc@860 199
adamc@860 200 strcpy(hs->uppercased, "HTTP_");
adamc@860 201 for (s = hs->uppercased+5; *h; ++h)
adamc@860 202 *s++ = *h == '-' ? '_' : toupper(*h);
adamc@860 203 *s = 0;
adamc@860 204
adamc@860 205 if (!strcasecmp(saved_h, "Content-length")
adamc@864 206 || !strcasecmp(saved_h, "Content-type")) {
adamc@1134 207 if ((s = search_nvps(hs->nvps, hs->uppercased + 5)))
adamc@864 208 return s;
adamc@864 209 }
adamc@864 210
adamc@864 211 return search_nvps(hs->nvps, hs->uppercased);
adamc@860 212 }
adamc@860 213
adamc@864 214 static int read_funny_len(unsigned char **buf, int *len) {
adamc@861 215 if (*len <= 0)
adamc@861 216 return -1;
adamc@861 217
adamc@861 218 if ((*buf)[0] >> 7 == 0) {
adamc@861 219 int r = (*buf)[0];
adamc@861 220 ++*buf;
adamc@861 221 --*len;
adamc@861 222 return r;
adamc@861 223 }
adamc@861 224 else if (*len < 4)
adamc@861 225 return -1;
adamc@861 226 else {
adamc@1049 227 int r = (((*buf)[0] & 0x7f) << 24) + ((*buf)[1] << 16) + ((*buf)[2] << 8) + (*buf)[3];
adamc@861 228 *buf += 4;
adamc@861 229 *len -= 4;
adamc@861 230 return r;
adamc@861 231 }
adamc@861 232 }
adamc@861 233
adamc@864 234 static int read_nvp(unsigned char **buf, int len, nvp *nv) {
adamc@860 235 int nameLength, valueLength;
adamc@860 236
adamc@864 237 if ((nameLength = read_funny_len(buf, &len)) < 0)
adamc@860 238 return -1;
adamc@864 239 if ((valueLength = read_funny_len(buf, &len)) < 0)
adamc@1049 240 return -2;
adamc@860 241 if (len < nameLength + valueLength)
adamc@1049 242 return -3;
adamc@860 243
adamc@862 244 if (nameLength+1 > nv->name_len) {
adamc@860 245 nv->name_len = nameLength+1;
adamc@862 246 nv->name = realloc(nv->name, nv->name_len);
adamc@860 247 }
adamc@862 248 if (valueLength+1 > nv->value_len) {
adamc@860 249 nv->value_len = valueLength+1;
adamc@862 250 nv->value = realloc(nv->value, nv->value_len);
adamc@860 251 }
adamc@860 252
adamc@864 253 memcpy(nv->name, *buf, nameLength);
adamc@860 254 nv->name[nameLength] = 0;
adamc@860 255
adamc@864 256 memcpy(nv->value, *buf + nameLength, valueLength);
adamc@860 257 nv->value[valueLength] = 0;
adamc@860 258
adamc@864 259 *buf += nameLength + valueLength;
adamc@864 260
adamc@860 261 return 0;
adamc@860 262 }
adamc@860 263
adamc@863 264 static int fastcgi_close_with(FCGI_Output *out, request_result rr) {
adamc@863 265 FCGI_EndRequestBody *erb = (FCGI_EndRequestBody *)out->r.contentData;
adamc@863 266
adamc@863 267 close_stream(out, FCGI_STDOUT);
adamc@863 268 close_stream(out, FCGI_STDERR);
adamc@863 269
adamc@863 270 if (rr == SERVED)
adamc@863 271 erb->appStatusB3 = erb->appStatusB2 = erb->appStatusB1 = erb->appStatusB0 = 0;
adamc@863 272 else
adamc@863 273 erb->appStatusB3 = erb->appStatusB2 = erb->appStatusB1 = erb->appStatusB0 = 0xFF;
adamc@863 274
adamc@863 275 erb->protocolStatus = FCGI_REQUEST_COMPLETE;
adamc@863 276 fastcgi_send(out, FCGI_END_REQUEST, sizeof(FCGI_EndRequestBody));
adamc@863 277 return close(out->sock);
adamc@863 278 }
adamc@863 279
adamc@863 280 static int fastcgi_close(int sock) {
adamc@863 281 FCGI_Output out;
adamc@863 282 out.sock = sock;
adamc@863 283 out.r.version = FCGI_VERSION_1;
adamc@863 284 out.r.paddingLength = 0;
adamc@863 285 out.r.reserved = 0;
adamc@863 286
adamc@863 287 return fastcgi_close_with(&out, SERVED);
adamc@863 288 }
adamc@863 289
adamc@863 290 int fastcgi_send_normal(int sock, const void *buf, ssize_t len) {
adamc@863 291 FCGI_Output out;
adamc@863 292 out.sock = sock;
adamc@863 293 out.r.version = FCGI_VERSION_1;
adamc@863 294 out.r.paddingLength = 0;
adamc@863 295 out.r.reserved = 0;
adamc@863 296
adamc@863 297 return write_stdout(&out, buf, len);
adamc@863 298 }
adamc@863 299
adamc@859 300 static void *worker(void *data) {
adamc@859 301 FCGI_Input *in = fastcgi_input();
adamc@859 302 FCGI_Output *out = fastcgi_output();
adamc@1094 303 uw_context ctx = uw_request_new_context(&uw_application, out, log_error, log_debug);
adamc@859 304 uw_request_context rc = uw_new_request_context();
adamc@860 305 headers hs;
adamc@860 306 size_t body_size = 0;
adamc@860 307 char *body = malloc(0);
adamc@860 308 size_t path_size = 0;
adamc@860 309 char *path_buf = malloc(0);
adamc@860 310
adamc@860 311 hs.uppercased = malloc(0);
adamc@860 312 hs.uppercased_len = 0;
adamc@860 313 hs.nvps = malloc(sizeof(nvp));
adamc@860 314 hs.n_nvps = 1;
adamc@862 315 hs.nvps[0].name = malloc(1);
adamc@862 316 hs.nvps[0].name_len = 1;
adamc@862 317 hs.nvps[0].value = malloc(0);
adamc@862 318 hs.nvps[0].value_len = 0;
adamc@859 319
adamc@859 320 while (1) {
adamc@859 321 FCGI_Record *r;
adamc@860 322 size_t used_nvps = 0;
adamc@860 323 int body_len, body_read;
adamc@860 324 char *s;
adamc@860 325 char *method, *path, *path_info, *query_string;
adamc@859 326
adamc@859 327 in->sock = out->sock = uw_dequeue();
adamc@859 328
adamc@859 329 if (!(r = fastcgi_recv(in))) {
adamc@859 330 fprintf(stderr, "Error receiving initial message\n");
adamc@860 331 goto done;
adamc@859 332 }
adamc@861 333
adamc@859 334 if (r->type != FCGI_BEGIN_REQUEST) {
adamc@859 335 write_stderr(out, "First message is not BEGIN_REQUEST\n");
adamc@859 336 goto done;
adamc@1139 337 } else if (r->contentData[1] != FCGI_RESPONDER) {
adamc@1139 338 write_stderr(out, "Request is for a role besides RESPONDER\n");
adamc@859 339 goto done;
adamc@859 340 }
adamc@859 341
adamc@860 342 while (1) {
adamc@864 343 unsigned char *buf;
adamc@864 344 int len;
adamc@860 345
adamc@860 346 if (!(r = fastcgi_recv(in))) {
adamc@860 347 write_stderr(out, "Error receiving environment variables\n");
adamc@860 348 goto done;
adamc@860 349 }
adamc@860 350
adamc@860 351 if (r->type != FCGI_PARAMS) {
adamc@860 352 write_stderr(out, "Expected FCGI_PARAMS but got %d\n", r->type);
adamc@860 353 goto done;
adamc@860 354 }
adamc@860 355
adamc@860 356 if (r->contentLengthB1 == 0 && r->contentLengthB0 == 0)
adamc@860 357 break;
adamc@860 358
adamc@864 359 len = (r->contentLengthB1 << 8) | r->contentLengthB0;
adamc@864 360
adamc@864 361 for (buf = r->contentData; buf < r->contentData + len; ) {
adamc@864 362 if (used_nvps == hs.n_nvps-1) {
adamc@864 363 ++hs.n_nvps;
adamc@864 364 hs.nvps = realloc(hs.nvps, hs.n_nvps * sizeof(nvp));
adamc@864 365 hs.nvps[hs.n_nvps-1].name = malloc(1);
adamc@864 366 hs.nvps[hs.n_nvps-1].value = malloc(0);
adamc@864 367 hs.nvps[hs.n_nvps-1].name_len = 1;
adamc@864 368 hs.nvps[hs.n_nvps-1].value_len = 0;
adamc@864 369 }
adamc@864 370
adamc@864 371 if (read_nvp(&buf, len - (buf - r->contentData), &hs.nvps[used_nvps]) < 0) {
adamc@864 372 write_stderr(out, "Error reading FCGI_PARAMS name-value pair\n");
adamc@864 373 goto done;
adamc@864 374 }
adamc@864 375
adamc@1049 376 //write_stderr(out, "PARAM: %s -> %s\n", hs.nvps[used_nvps].name, hs.nvps[used_nvps].value);
adamc@864 377
adamc@864 378 ++used_nvps;
adamc@860 379 }
adamc@859 380 }
adamc@860 381
adamc@862 382 hs.nvps[used_nvps].name[0] = 0;
adamc@860 383
adamc@1134 384 if ((s = get_header(&hs, "Content-Length"))) {
adamc@860 385 body_len = atoi(s);
adamc@860 386 if (body_len < 0) {
adamc@860 387 write_stderr(out, "Invalid Content-Length\n");
adamc@860 388 goto done;
adamc@860 389 }
adamc@860 390 } else
adamc@860 391 body_len = 0;
adamc@860 392
adamc@861 393 if (body_len+1 > body_size) {
adamc@861 394 body_size = body_len+1;
adamc@860 395 body = realloc(body, body_size);
adamc@860 396 }
adamc@860 397
adamc@860 398 for (body_read = 0; body_read < body_len; ) {
adamc@860 399 int this_len;
adamc@860 400
adamc@860 401 if (!(r = fastcgi_recv(in))) {
adamc@860 402 write_stderr(out, "Error receiving STDIN\n");
adamc@860 403 goto done;
adamc@860 404 }
adamc@860 405
adamc@860 406 if (r->type != FCGI_STDIN) {
adamc@860 407 write_stderr(out, "Expected FCGI_STDIN but got %d\n", r->type);
adamc@860 408 goto done;
adamc@860 409 }
adamc@860 410
adamc@860 411 if (r->contentLengthB1 == 0 && r->contentLengthB0 == 0) {
adamc@860 412 write_stderr(out, "End of STDIN\n");
adamc@860 413 break;
adamc@860 414 }
adamc@860 415
adamc@860 416 this_len = (r->contentLengthB1 << 8) | r->contentLengthB0;
adamc@860 417
adamc@860 418 if (body_read + this_len > body_len) {
adamc@860 419 write_stderr(out, "Too much STDIN\n");
adamc@860 420 goto done;
adamc@860 421 }
adamc@860 422
adamc@860 423 memcpy(&body[body_read], r->contentData, this_len);
adamc@860 424 body_read += this_len;
adamc@860 425 }
adamc@860 426
adamc@861 427 body[body_read] = 0;
adamc@861 428
adamc@860 429 if (!(method = search_nvps(hs.nvps, "REQUEST_METHOD"))) {
adamc@860 430 write_stderr(out, "REQUEST_METHOD not set\n");
adamc@860 431 goto done;
adamc@860 432 }
adamc@860 433
adamc@860 434 if (!(path = search_nvps(hs.nvps, "SCRIPT_NAME"))) {
adamc@860 435 write_stderr(out, "SCRIPT_NAME not set\n");
adamc@860 436 goto done;
adamc@860 437 }
adamc@861 438
adamc@1134 439 if ((path_info = search_nvps(hs.nvps, "PATH_INFO"))) {
adamc@860 440 int len1 = strlen(path), len2 = strlen(path_info);
adamc@860 441 int len = len1 + len2 + 1;
adamc@860 442
adamc@860 443 if (len > path_size) {
adamc@860 444 path_size = len;
adamc@860 445 path_buf = realloc(path_buf, path_size);
adamc@860 446 }
adamc@860 447
adamc@860 448 sprintf(path_buf, "%s%s", path, path_info);
adamc@860 449 path = path_buf;
adamc@860 450 }
adamc@860 451
adamc@860 452 if (!(query_string = search_nvps(hs.nvps, "QUERY_STRING")))
adamc@860 453 query_string = "";
adamc@860 454
adamc@860 455 uw_set_headers(ctx, get_header, &hs);
adamc@861 456
adamc@860 457 {
adamc@860 458 request_result rr;
adamc@860 459
adamc@860 460 rr = uw_request(rc, ctx, method, path, query_string, body, body_read,
adamc@860 461 on_success, on_failure,
adamc@860 462 out, log_error, log_debug,
adamc@863 463 in->sock, fastcgi_send_normal, fastcgi_close);
adamc@860 464
adamc@860 465 if (rr == KEEP_OPEN)
adamc@860 466 goto done2;
adamc@860 467
adamc@860 468 uw_output(ctx, write_stdout, out);
adamc@863 469 fastcgi_close_with(out, rr);
adamc@863 470 goto done2;
adamc@860 471 }
adamc@859 472
adamc@859 473 done:
adamc@859 474 close(in->sock);
adamc@860 475 done2:
adamc@859 476 fastcgi_input_reset(in);
adamc@859 477 uw_reset(ctx);
adamc@859 478 }
adamc@1138 479
adamc@1138 480 return NULL;
adamc@859 481 }
adamc@859 482
adamc@859 483 static void help(char *cmd) {
adamc@859 484 printf("Usage: %s [-t <thread-count>]\n", cmd);
adamc@859 485 }
adamc@859 486
adamc@859 487 static void sigint(int signum) {
adamc@859 488 printf("Exiting....\n");
adamc@859 489 exit(0);
adamc@859 490 }
adamc@859 491
adamc@1094 492 static loggers ls = {&uw_application, NULL, log_error, log_debug};
adamc@859 493
adamc@859 494 int main(int argc, char *argv[]) {
adamc@859 495 // The skeleton for this function comes from Beej's sockets tutorial.
adamc@859 496 struct sockaddr_in their_addr; // connector's address information
adamc@1134 497 socklen_t sin_size;
adamc@859 498 int nthreads = 1, i, *names, opt;
adamc@859 499 char *fwsa = getenv("FCGI_WEB_SERVER_ADDRS"), *nthreads_s = getenv("URWEB_NUM_THREADS");
adamc@859 500
adamc@859 501 if (nthreads_s) {
adamc@859 502 nthreads = atoi(nthreads_s);
adamc@859 503 if (nthreads <= 0) {
adamc@859 504 fprintf(stderr, "Bad URWEB_NUM_THREADS value\n");
adamc@859 505 return 1;
adamc@859 506 }
adamc@859 507 }
adamc@859 508
adamc@859 509 signal(SIGINT, sigint);
adamc@859 510 signal(SIGPIPE, SIG_IGN);
adamc@859 511 signal(SIGUSR1, sigint);
adamc@859 512 signal(SIGTERM, sigint);
adamc@859 513
adamc@859 514 while ((opt = getopt(argc, argv, "ht:")) != -1) {
adamc@859 515 switch (opt) {
adamc@859 516 case '?':
adamc@859 517 fprintf(stderr, "Unknown command-line option");
adamc@859 518 help(argv[0]);
adamc@859 519 return 1;
adamc@859 520
adamc@859 521 case 'h':
adamc@859 522 help(argv[0]);
adamc@859 523 return 0;
adamc@859 524
adamc@859 525 case 't':
adamc@859 526 nthreads = atoi(optarg);
adamc@859 527 if (nthreads <= 0) {
adamc@859 528 fprintf(stderr, "Invalid thread count\n");
adamc@859 529 help(argv[0]);
adamc@859 530 return 1;
adamc@859 531 }
adamc@859 532 break;
adamc@859 533
adamc@859 534 default:
adamc@859 535 fprintf(stderr, "Unexpected getopt() behavior\n");
adamc@859 536 return 1;
adamc@859 537 }
adamc@859 538 }
adamc@859 539
adamc@860 540 uw_set_on_success("");
adamc@1094 541 uw_request_init(&uw_application, NULL, log_error, log_debug);
adamc@859 542
adamc@859 543 names = calloc(nthreads, sizeof(int));
adamc@859 544
adamc@859 545 sin_size = sizeof their_addr;
adamc@859 546
adamc@859 547 {
adamc@859 548 pthread_t thread;
adamc@859 549
adamc@859 550 if (pthread_create(&thread, NULL, client_pruner, &ls)) {
adamc@859 551 fprintf(stderr, "Error creating pruner thread\n");
adamc@859 552 return 1;
adamc@859 553 }
adamc@859 554 }
adamc@859 555
adamc@859 556 for (i = 0; i < nthreads; ++i) {
adamc@859 557 pthread_t thread;
adamc@859 558 names[i] = i;
adamc@859 559 if (pthread_create(&thread, NULL, worker, &names[i])) {
adamc@859 560 fprintf(stderr, "Error creating worker thread #%d\n", i);
adamc@859 561 return 1;
adamc@859 562 }
adamc@859 563 }
adamc@859 564
adamc@859 565 while (1) {
adamc@859 566 int new_fd = accept(FCGI_LISTENSOCK_FILENO, (struct sockaddr *)&their_addr, &sin_size);
adamc@859 567
adamc@859 568 if (new_fd < 0) {
adamc@859 569 fprintf(stderr, "Socket accept failed\n");
adamc@859 570 return 1;
adamc@859 571 }
adamc@859 572
adamc@859 573 if (fwsa) {
adamc@859 574 char host[100], matched = 0;
adamc@859 575 char *ips, *sep;
adamc@859 576
adamc@859 577 if (getnameinfo((struct sockaddr *)&their_addr, sin_size, host, sizeof host, NULL, 0, NI_NUMERICHOST)) {
adamc@859 578 fprintf(stderr, "Remote IP determination failed\n");
adamc@859 579 return 1;
adamc@859 580 }
adamc@859 581
adamc@1134 582 for (ips = fwsa; (sep = strchr(ips, ',')); ips = sep+1) {
adamc@859 583 if (!strncmp(ips, host, sep - ips)) {
adamc@859 584 matched = 1;
adamc@859 585 break;
adamc@859 586 }
adamc@859 587 }
adamc@859 588
adamc@859 589 if (!matched && strcmp(ips, host)) {
adamc@859 590 fprintf(stderr, "Remote address is not in FCGI_WEB_SERVER_ADDRS");
adamc@859 591 return 1;
adamc@859 592 }
adamc@859 593 }
adamc@859 594
adamc@859 595 uw_enqueue(new_fd);
adamc@859 596 }
adamc@859 597 }
adamc@1121 598
adamc@1121 599 void *uw_init_client_data() {
adamc@1121 600 return NULL;
adamc@1121 601 }
adamc@1121 602
adamc@1121 603 void uw_free_client_data(void *data) {
adamc@1121 604 }
adamc@1121 605
adamc@1121 606 void uw_copy_client_data(void *dst, void *src) {
adamc@1121 607 }
adamc@1121 608
adamc@1121 609 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@1121 610 if (uw_get_app(ctx)->db_begin(ctx))
adamc@1121 611 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1121 612 uw_get_app(ctx)->expunger(ctx, cli);
adamc@1121 613 if (uw_get_app(ctx)->db_commit(ctx))
adamc@1121 614 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@1121 615 }
adamc@1121 616
adamc@1121 617 void uw_post_expunge(uw_context ctx, void *data) {
adamc@1121 618 }