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annotate src/c/fastcgi.c @ 1094:db52c32dbe42

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All three current protocols work with move to using uw_app
author Adam Chlipala <adamc@hcoop.net>
date Sun, 27 Dec 2009 10:37:24 -0500
parents c2317cfb99ec
children 0cee0c8d8c37
rev   line source
adamc@859 1 #define _GNU_SOURCE
adamc@859 2
adamc@859 3 #include <stdio.h>
adamc@859 4 #include <string.h>
adamc@859 5 #include <stdlib.h>
adamc@859 6 #include <sys/types.h>
adamc@859 7 #include <sys/socket.h>
adamc@859 8 #include <netdb.h>
adamc@859 9 #include <netinet/in.h>
adamc@859 10 #include <unistd.h>
adamc@859 11 #include <signal.h>
adamc@859 12 #include <stdarg.h>
adamc@1094 13 #include <ctype.h>
adamc@859 14
adamc@859 15 #include <pthread.h>
adamc@859 16
adamc@859 17 #include "urweb.h"
adamc@859 18 #include "request.h"
adamc@859 19 #include "queue.h"
adamc@859 20
adamc@859 21 #include "fastcgi.h"
adamc@859 22
adamc@1094 23 extern uw_app uw_application;
adamc@1094 24
adamc@859 25 typedef struct {
adamc@859 26 unsigned char version;
adamc@859 27 unsigned char type;
adamc@859 28 unsigned char requestIdB1;
adamc@859 29 unsigned char requestIdB0;
adamc@859 30 unsigned char contentLengthB1;
adamc@859 31 unsigned char contentLengthB0;
adamc@859 32 unsigned char paddingLength;
adamc@859 33 unsigned char reserved;
adamc@859 34 unsigned char contentData[65535];
adamc@859 35 } FCGI_Record;
adamc@859 36
adamc@859 37 typedef struct {
adamc@859 38 FCGI_Record r;
adamc@859 39 int sock;
adamc@859 40 } FCGI_Output;
adamc@859 41
adamc@859 42 typedef struct {
adamc@859 43 char buf[sizeof(FCGI_Record) + 255];
adamc@859 44 int available, used, sock;
adamc@859 45 } FCGI_Input;
adamc@859 46
adamc@859 47 static FCGI_Output *fastcgi_output() {
adamc@859 48 FCGI_Output *o = malloc(sizeof(FCGI_Output));
adamc@859 49
adamc@859 50 o->r.version = FCGI_VERSION_1;
adamc@859 51 o->r.paddingLength = 0;
adamc@859 52 o->r.reserved = 0;
adamc@859 53
adamc@859 54 return o;
adamc@859 55 }
adamc@859 56
adamc@859 57 static FCGI_Input *fastcgi_input() {
adamc@859 58 FCGI_Input *i = malloc(sizeof(FCGI_Input));
adamc@859 59
adamc@859 60 i->available = i->used = 0;
adamc@859 61
adamc@859 62 return i;
adamc@859 63 }
adamc@859 64
adamc@859 65 static void fastcgi_input_reset(FCGI_Input *i) {
adamc@859 66 i->available = i->used = 0;
adamc@859 67 }
adamc@859 68
adamc@859 69 static int fastcgi_send(FCGI_Output *o,
adamc@859 70 unsigned char type,
adamc@859 71 unsigned short contentLength) {
adamc@859 72 o->r.type = type;
adamc@860 73 o->r.requestIdB1 = o->r.requestIdB0 = 0;
adamc@859 74 o->r.contentLengthB1 = contentLength >> 8;
adamc@859 75 o->r.contentLengthB0 = contentLength & 255;
adamc@861 76 return uw_really_send(o->sock, &o->r, sizeof(o->r) - 65535 + contentLength);
adamc@859 77 }
adamc@859 78
adamc@859 79 #define LATEST(i) ((FCGI_Record *)(i->buf + i->used))
adamc@859 80
adamc@859 81 static FCGI_Record *fastcgi_recv(FCGI_Input *i) {
adamc@859 82 while (1) {
adamc@859 83 ssize_t n;
adamc@859 84
adamc@859 85 if (i->available >= i->used + sizeof(FCGI_Record) - 65535
adamc@859 86 && i->available >= i->used + sizeof(FCGI_Record) - 65535
adamc@860 87 + ((LATEST(i)->contentLengthB1 << 8) | LATEST(i)->contentLengthB0)
adamc@859 88 + LATEST(i)->paddingLength) {
adamc@859 89 FCGI_Record *r = LATEST(i);
adamc@859 90
adamc@859 91 i->used += sizeof(FCGI_Record) - 65535
adamc@860 92 + ((LATEST(i)->contentLengthB1 << 8) | LATEST(i)->contentLengthB0)
adamc@859 93 + LATEST(i)->paddingLength;
adamc@859 94
adamc@859 95 return r;
adamc@859 96 }
adamc@859 97
adamc@859 98 if (i->used > 0) {
adamc@859 99 memmove(i->buf, i->buf + i->used, i->available - i->used);
adamc@859 100 i->available -= i->used;
adamc@859 101 i->used = 0;
adamc@859 102 }
adamc@859 103
adamc@859 104 n = recv(i->sock, i->buf + i->available, sizeof(i->buf) - i->available, 0);
adamc@859 105
adamc@859 106 if (n <= 0)
adamc@859 107 return NULL;
adamc@859 108
adamc@859 109 i->available += n;
adamc@859 110 }
adamc@859 111 }
adamc@859 112
adamc@859 113 static void on_success(uw_context ctx) { }
adamc@859 114
adamc@859 115 static void on_failure(uw_context ctx) {
adamc@859 116 uw_write_header(ctx, "Status: 500 Internal Server Error\r\n");
adamc@859 117 }
adamc@859 118
adamc@863 119 static int write_stdout(void *data, const char *buf, size_t len) {
adamc@860 120 FCGI_Output *o = (FCGI_Output *)data;
adamc@860 121 while (len > 0) {
adamc@860 122 size_t len2 = len;
adamc@860 123 if (len2 > 65535)
adamc@860 124 len2 = 65535;
adamc@860 125 memcpy(o->r.contentData, buf, len2);
adamc@860 126 if (fastcgi_send(o, FCGI_STDOUT, len2)) {
adamc@860 127 fprintf(stderr, "fastcgi_send() failed in write_stdout().\n");
adamc@860 128 return -1;
adamc@860 129 }
adamc@860 130 buf += len2;
adamc@860 131 len -= len2;
adamc@860 132 }
adamc@860 133
adamc@860 134 return 0;
adamc@860 135 }
adamc@860 136
adamc@859 137 static void write_stderr(FCGI_Output *o, const char *fmt, ...) {
adamc@859 138 int len;
adamc@859 139 va_list ap;
adamc@859 140 va_start(ap, fmt);
adamc@859 141
adamc@859 142 len = vsnprintf(o->r.contentData, 65535, fmt, ap);
adamc@859 143 if (len < 0)
adamc@860 144 fprintf(stderr, "vsnprintf() failed in write_stderr().\n");
adamc@860 145 else if (fastcgi_send(o, FCGI_STDERR, len))
adamc@860 146 fprintf(stderr, "fastcgi_send() failed in write_stderr().\n");
adamc@860 147 }
adamc@860 148
adamc@860 149 static void close_stream(FCGI_Output *o, unsigned char type) {
adamc@860 150 if (fastcgi_send(o, type, 0))
adamc@860 151 fprintf(stderr, "fastcgi_send() failed in close_stream().\n");
adamc@859 152 }
adamc@859 153
adamc@859 154 static void log_error(void *data, const char *fmt, ...) {
adamc@859 155 FCGI_Output *o = (FCGI_Output *)data;
adamc@859 156 va_list ap;
adamc@859 157 va_start(ap, fmt);
adamc@859 158
adamc@859 159 if (o) {
adamc@859 160 int len = vsnprintf(o->r.contentData, 65535, fmt, ap);
adamc@859 161 if (len < 0)
adamc@859 162 fprintf(stderr, "vsnprintf() failed in log_error().\n");
adamc@860 163 else if (fastcgi_send(o, FCGI_STDERR, len))
adamc@859 164 fprintf(stderr, "fastcgi_send() failed in log_error().\n");
adamc@859 165 } else
adamc@859 166 vfprintf(stderr, fmt, ap);
adamc@859 167 }
adamc@859 168
adamc@859 169 static void log_debug(void *data, const char *fmt, ...) {
adamc@859 170 }
adamc@859 171
adamc@860 172 typedef struct {
adamc@860 173 char *name, *value;
adamc@860 174 unsigned name_len, value_len;
adamc@860 175 } nvp;
adamc@860 176
adamc@860 177 static char *search_nvps(nvp *nvps, const char *h) {
adamc@862 178 for (; nvps->name[0]; ++nvps)
adamc@860 179 if (!strcmp(h, nvps->name))
adamc@860 180 return nvps->value;
adamc@860 181
adamc@860 182 return NULL;
adamc@860 183 }
adamc@860 184
adamc@860 185 typedef struct {
adamc@860 186 nvp *nvps;
adamc@860 187 char *uppercased;
adamc@860 188 int n_nvps, uppercased_len;
adamc@860 189 } headers;
adamc@860 190
adamc@860 191 static char *get_header(void *data, const char *h) {
adamc@860 192 headers *hs = (headers *)data;
adamc@860 193 size_t len = strlen(h);
adamc@860 194 char *s, *r;
adamc@860 195 const char *saved_h = h;
adamc@860 196
adamc@860 197 if (len > hs->uppercased_len) {
adamc@860 198 hs->uppercased_len = len;
adamc@860 199 hs->uppercased = realloc(hs->uppercased, len + 6);
adamc@860 200 }
adamc@860 201
adamc@860 202 strcpy(hs->uppercased, "HTTP_");
adamc@860 203 for (s = hs->uppercased+5; *h; ++h)
adamc@860 204 *s++ = *h == '-' ? '_' : toupper(*h);
adamc@860 205 *s = 0;
adamc@860 206
adamc@860 207 if (!strcasecmp(saved_h, "Content-length")
adamc@864 208 || !strcasecmp(saved_h, "Content-type")) {
adamc@864 209 if (s = search_nvps(hs->nvps, hs->uppercased + 5))
adamc@864 210 return s;
adamc@864 211 }
adamc@864 212
adamc@864 213 return search_nvps(hs->nvps, hs->uppercased);
adamc@860 214 }
adamc@860 215
adamc@864 216 static int read_funny_len(unsigned char **buf, int *len) {
adamc@861 217 if (*len <= 0)
adamc@861 218 return -1;
adamc@861 219
adamc@861 220 if ((*buf)[0] >> 7 == 0) {
adamc@861 221 int r = (*buf)[0];
adamc@861 222 ++*buf;
adamc@861 223 --*len;
adamc@861 224 return r;
adamc@861 225 }
adamc@861 226 else if (*len < 4)
adamc@861 227 return -1;
adamc@861 228 else {
adamc@1049 229 int r = (((*buf)[0] & 0x7f) << 24) + ((*buf)[1] << 16) + ((*buf)[2] << 8) + (*buf)[3];
adamc@861 230 *buf += 4;
adamc@861 231 *len -= 4;
adamc@861 232 return r;
adamc@861 233 }
adamc@861 234 }
adamc@861 235
adamc@864 236 static int read_nvp(unsigned char **buf, int len, nvp *nv) {
adamc@860 237 int nameLength, valueLength;
adamc@860 238
adamc@864 239 if ((nameLength = read_funny_len(buf, &len)) < 0)
adamc@860 240 return -1;
adamc@864 241 if ((valueLength = read_funny_len(buf, &len)) < 0)
adamc@1049 242 return -2;
adamc@860 243 if (len < nameLength + valueLength)
adamc@1049 244 return -3;
adamc@860 245
adamc@862 246 if (nameLength+1 > nv->name_len) {
adamc@860 247 nv->name_len = nameLength+1;
adamc@862 248 nv->name = realloc(nv->name, nv->name_len);
adamc@860 249 }
adamc@862 250 if (valueLength+1 > nv->value_len) {
adamc@860 251 nv->value_len = valueLength+1;
adamc@862 252 nv->value = realloc(nv->value, nv->value_len);
adamc@860 253 }
adamc@860 254
adamc@864 255 memcpy(nv->name, *buf, nameLength);
adamc@860 256 nv->name[nameLength] = 0;
adamc@860 257
adamc@864 258 memcpy(nv->value, *buf + nameLength, valueLength);
adamc@860 259 nv->value[valueLength] = 0;
adamc@860 260
adamc@864 261 *buf += nameLength + valueLength;
adamc@864 262
adamc@860 263 return 0;
adamc@860 264 }
adamc@860 265
adamc@863 266 static int fastcgi_close_with(FCGI_Output *out, request_result rr) {
adamc@863 267 FCGI_EndRequestBody *erb = (FCGI_EndRequestBody *)out->r.contentData;
adamc@863 268
adamc@863 269 close_stream(out, FCGI_STDOUT);
adamc@863 270 close_stream(out, FCGI_STDERR);
adamc@863 271
adamc@863 272 if (rr == SERVED)
adamc@863 273 erb->appStatusB3 = erb->appStatusB2 = erb->appStatusB1 = erb->appStatusB0 = 0;
adamc@863 274 else
adamc@863 275 erb->appStatusB3 = erb->appStatusB2 = erb->appStatusB1 = erb->appStatusB0 = 0xFF;
adamc@863 276
adamc@863 277 erb->protocolStatus = FCGI_REQUEST_COMPLETE;
adamc@863 278 fastcgi_send(out, FCGI_END_REQUEST, sizeof(FCGI_EndRequestBody));
adamc@863 279 return close(out->sock);
adamc@863 280 }
adamc@863 281
adamc@863 282 static int fastcgi_close(int sock) {
adamc@863 283 FCGI_Output out;
adamc@863 284 out.sock = sock;
adamc@863 285 out.r.version = FCGI_VERSION_1;
adamc@863 286 out.r.paddingLength = 0;
adamc@863 287 out.r.reserved = 0;
adamc@863 288
adamc@863 289 return fastcgi_close_with(&out, SERVED);
adamc@863 290 }
adamc@863 291
adamc@863 292 int fastcgi_send_normal(int sock, const void *buf, ssize_t len) {
adamc@863 293 FCGI_Output out;
adamc@863 294 out.sock = sock;
adamc@863 295 out.r.version = FCGI_VERSION_1;
adamc@863 296 out.r.paddingLength = 0;
adamc@863 297 out.r.reserved = 0;
adamc@863 298
adamc@863 299 return write_stdout(&out, buf, len);
adamc@863 300 }
adamc@863 301
adamc@859 302 static void *worker(void *data) {
adamc@859 303 int me = *(int *)data;
adamc@859 304 FCGI_Input *in = fastcgi_input();
adamc@859 305 FCGI_Output *out = fastcgi_output();
adamc@1094 306 uw_context ctx = uw_request_new_context(&uw_application, out, log_error, log_debug);
adamc@859 307 uw_request_context rc = uw_new_request_context();
adamc@860 308 headers hs;
adamc@860 309 size_t body_size = 0;
adamc@860 310 char *body = malloc(0);
adamc@860 311 size_t path_size = 0;
adamc@860 312 char *path_buf = malloc(0);
adamc@861 313 int tries = 0;
adamc@860 314
adamc@860 315 hs.uppercased = malloc(0);
adamc@860 316 hs.uppercased_len = 0;
adamc@860 317 hs.nvps = malloc(sizeof(nvp));
adamc@860 318 hs.n_nvps = 1;
adamc@862 319 hs.nvps[0].name = malloc(1);
adamc@862 320 hs.nvps[0].name_len = 1;
adamc@862 321 hs.nvps[0].value = malloc(0);
adamc@862 322 hs.nvps[0].value_len = 0;
adamc@859 323
adamc@859 324 while (1) {
adamc@859 325 FCGI_Record *r;
adamc@860 326 size_t used_nvps = 0;
adamc@860 327 int body_len, body_read;
adamc@860 328 char *s;
adamc@860 329 char *method, *path, *path_info, *query_string;
adamc@859 330
adamc@859 331 in->sock = out->sock = uw_dequeue();
adamc@859 332
adamc@859 333 if (!(r = fastcgi_recv(in))) {
adamc@859 334 fprintf(stderr, "Error receiving initial message\n");
adamc@860 335 goto done;
adamc@859 336 }
adamc@861 337
adamc@859 338 if (r->type != FCGI_BEGIN_REQUEST) {
adamc@859 339 write_stderr(out, "First message is not BEGIN_REQUEST\n");
adamc@859 340 goto done;
adamc@859 341 } else if (((FCGI_BeginRequestBody *)&r->contentData)->roleB0 != FCGI_RESPONDER) {
adamc@859 342 write_stderr(out, "First message is not BEGIN_REQUEST\n");
adamc@859 343 goto done;
adamc@859 344 }
adamc@859 345
adamc@860 346 while (1) {
adamc@864 347 unsigned char *buf;
adamc@864 348 int len;
adamc@860 349
adamc@860 350 if (!(r = fastcgi_recv(in))) {
adamc@860 351 write_stderr(out, "Error receiving environment variables\n");
adamc@860 352 goto done;
adamc@860 353 }
adamc@860 354
adamc@860 355 if (r->type != FCGI_PARAMS) {
adamc@860 356 write_stderr(out, "Expected FCGI_PARAMS but got %d\n", r->type);
adamc@860 357 goto done;
adamc@860 358 }
adamc@860 359
adamc@860 360 if (r->contentLengthB1 == 0 && r->contentLengthB0 == 0)
adamc@860 361 break;
adamc@860 362
adamc@864 363 len = (r->contentLengthB1 << 8) | r->contentLengthB0;
adamc@864 364
adamc@864 365 for (buf = r->contentData; buf < r->contentData + len; ) {
adamc@864 366 if (used_nvps == hs.n_nvps-1) {
adamc@864 367 ++hs.n_nvps;
adamc@864 368 hs.nvps = realloc(hs.nvps, hs.n_nvps * sizeof(nvp));
adamc@864 369 hs.nvps[hs.n_nvps-1].name = malloc(1);
adamc@864 370 hs.nvps[hs.n_nvps-1].value = malloc(0);
adamc@864 371 hs.nvps[hs.n_nvps-1].name_len = 1;
adamc@864 372 hs.nvps[hs.n_nvps-1].value_len = 0;
adamc@864 373 }
adamc@864 374
adamc@864 375 if (read_nvp(&buf, len - (buf - r->contentData), &hs.nvps[used_nvps]) < 0) {
adamc@864 376 write_stderr(out, "Error reading FCGI_PARAMS name-value pair\n");
adamc@864 377 goto done;
adamc@864 378 }
adamc@864 379
adamc@1049 380 //write_stderr(out, "PARAM: %s -> %s\n", hs.nvps[used_nvps].name, hs.nvps[used_nvps].value);
adamc@864 381
adamc@864 382 ++used_nvps;
adamc@860 383 }
adamc@859 384 }
adamc@860 385
adamc@862 386 hs.nvps[used_nvps].name[0] = 0;
adamc@860 387
adamc@860 388 if (s = get_header(&hs, "Content-Length")) {
adamc@860 389 body_len = atoi(s);
adamc@860 390 if (body_len < 0) {
adamc@860 391 write_stderr(out, "Invalid Content-Length\n");
adamc@860 392 goto done;
adamc@860 393 }
adamc@860 394 } else
adamc@860 395 body_len = 0;
adamc@860 396
adamc@861 397 if (body_len+1 > body_size) {
adamc@861 398 body_size = body_len+1;
adamc@860 399 body = realloc(body, body_size);
adamc@860 400 }
adamc@860 401
adamc@860 402 for (body_read = 0; body_read < body_len; ) {
adamc@860 403 char *buf;
adamc@860 404 int this_len;
adamc@860 405
adamc@860 406 if (!(r = fastcgi_recv(in))) {
adamc@860 407 write_stderr(out, "Error receiving STDIN\n");
adamc@860 408 goto done;
adamc@860 409 }
adamc@860 410
adamc@860 411 if (r->type != FCGI_STDIN) {
adamc@860 412 write_stderr(out, "Expected FCGI_STDIN but got %d\n", r->type);
adamc@860 413 goto done;
adamc@860 414 }
adamc@860 415
adamc@860 416 if (r->contentLengthB1 == 0 && r->contentLengthB0 == 0) {
adamc@860 417 write_stderr(out, "End of STDIN\n");
adamc@860 418 break;
adamc@860 419 }
adamc@860 420
adamc@860 421 this_len = (r->contentLengthB1 << 8) | r->contentLengthB0;
adamc@860 422
adamc@860 423 if (body_read + this_len > body_len) {
adamc@860 424 write_stderr(out, "Too much STDIN\n");
adamc@860 425 goto done;
adamc@860 426 }
adamc@860 427
adamc@860 428 memcpy(&body[body_read], r->contentData, this_len);
adamc@860 429 body_read += this_len;
adamc@860 430 }
adamc@860 431
adamc@861 432 body[body_read] = 0;
adamc@861 433
adamc@860 434 if (!(method = search_nvps(hs.nvps, "REQUEST_METHOD"))) {
adamc@860 435 write_stderr(out, "REQUEST_METHOD not set\n");
adamc@860 436 goto done;
adamc@860 437 }
adamc@860 438
adamc@860 439 if (!(path = search_nvps(hs.nvps, "SCRIPT_NAME"))) {
adamc@860 440 write_stderr(out, "SCRIPT_NAME not set\n");
adamc@860 441 goto done;
adamc@860 442 }
adamc@861 443
adamc@860 444 if (path_info = search_nvps(hs.nvps, "PATH_INFO")) {
adamc@860 445 int len1 = strlen(path), len2 = strlen(path_info);
adamc@860 446 int len = len1 + len2 + 1;
adamc@860 447
adamc@860 448 if (len > path_size) {
adamc@860 449 path_size = len;
adamc@860 450 path_buf = realloc(path_buf, path_size);
adamc@860 451 }
adamc@860 452
adamc@860 453 sprintf(path_buf, "%s%s", path, path_info);
adamc@860 454 path = path_buf;
adamc@860 455 }
adamc@860 456
adamc@860 457 if (!(query_string = search_nvps(hs.nvps, "QUERY_STRING")))
adamc@860 458 query_string = "";
adamc@860 459
adamc@860 460 uw_set_headers(ctx, get_header, &hs);
adamc@861 461
adamc@860 462 {
adamc@860 463 request_result rr;
adamc@860 464
adamc@860 465 rr = uw_request(rc, ctx, method, path, query_string, body, body_read,
adamc@860 466 on_success, on_failure,
adamc@860 467 out, log_error, log_debug,
adamc@863 468 in->sock, fastcgi_send_normal, fastcgi_close);
adamc@860 469
adamc@860 470 if (rr == KEEP_OPEN)
adamc@860 471 goto done2;
adamc@860 472
adamc@860 473 uw_output(ctx, write_stdout, out);
adamc@863 474 fastcgi_close_with(out, rr);
adamc@863 475 goto done2;
adamc@860 476 }
adamc@859 477
adamc@859 478 done:
adamc@859 479 close(in->sock);
adamc@860 480 done2:
adamc@859 481 fastcgi_input_reset(in);
adamc@859 482 uw_reset(ctx);
adamc@859 483 }
adamc@859 484 }
adamc@859 485
adamc@859 486 static void help(char *cmd) {
adamc@859 487 printf("Usage: %s [-t <thread-count>]\n", cmd);
adamc@859 488 }
adamc@859 489
adamc@859 490 static void sigint(int signum) {
adamc@859 491 printf("Exiting....\n");
adamc@859 492 exit(0);
adamc@859 493 }
adamc@859 494
adamc@1094 495 static loggers ls = {&uw_application, NULL, log_error, log_debug};
adamc@859 496
adamc@859 497 int main(int argc, char *argv[]) {
adamc@859 498 // The skeleton for this function comes from Beej's sockets tutorial.
adamc@859 499 struct sockaddr_in their_addr; // connector's address information
adamc@859 500 int sin_size, yes = 1;
adamc@859 501 int nthreads = 1, i, *names, opt;
adamc@859 502 char *fwsa = getenv("FCGI_WEB_SERVER_ADDRS"), *nthreads_s = getenv("URWEB_NUM_THREADS");
adamc@859 503
adamc@859 504 if (nthreads_s) {
adamc@859 505 nthreads = atoi(nthreads_s);
adamc@859 506 if (nthreads <= 0) {
adamc@859 507 fprintf(stderr, "Bad URWEB_NUM_THREADS value\n");
adamc@859 508 return 1;
adamc@859 509 }
adamc@859 510 }
adamc@859 511
adamc@859 512 signal(SIGINT, sigint);
adamc@859 513 signal(SIGPIPE, SIG_IGN);
adamc@859 514 signal(SIGUSR1, sigint);
adamc@859 515 signal(SIGTERM, sigint);
adamc@859 516
adamc@859 517 while ((opt = getopt(argc, argv, "ht:")) != -1) {
adamc@859 518 switch (opt) {
adamc@859 519 case '?':
adamc@859 520 fprintf(stderr, "Unknown command-line option");
adamc@859 521 help(argv[0]);
adamc@859 522 return 1;
adamc@859 523
adamc@859 524 case 'h':
adamc@859 525 help(argv[0]);
adamc@859 526 return 0;
adamc@859 527
adamc@859 528 case 't':
adamc@859 529 nthreads = atoi(optarg);
adamc@859 530 if (nthreads <= 0) {
adamc@859 531 fprintf(stderr, "Invalid thread count\n");
adamc@859 532 help(argv[0]);
adamc@859 533 return 1;
adamc@859 534 }
adamc@859 535 break;
adamc@859 536
adamc@859 537 default:
adamc@859 538 fprintf(stderr, "Unexpected getopt() behavior\n");
adamc@859 539 return 1;
adamc@859 540 }
adamc@859 541 }
adamc@859 542
adamc@860 543 uw_set_on_success("");
adamc@1094 544 uw_request_init(&uw_application, NULL, log_error, log_debug);
adamc@859 545
adamc@859 546 names = calloc(nthreads, sizeof(int));
adamc@859 547
adamc@859 548 sin_size = sizeof their_addr;
adamc@859 549
adamc@859 550 {
adamc@859 551 pthread_t thread;
adamc@859 552 int name;
adamc@859 553
adamc@859 554 if (pthread_create(&thread, NULL, client_pruner, &ls)) {
adamc@859 555 fprintf(stderr, "Error creating pruner thread\n");
adamc@859 556 return 1;
adamc@859 557 }
adamc@859 558 }
adamc@859 559
adamc@859 560 for (i = 0; i < nthreads; ++i) {
adamc@859 561 pthread_t thread;
adamc@859 562 names[i] = i;
adamc@859 563 if (pthread_create(&thread, NULL, worker, &names[i])) {
adamc@859 564 fprintf(stderr, "Error creating worker thread #%d\n", i);
adamc@859 565 return 1;
adamc@859 566 }
adamc@859 567 }
adamc@859 568
adamc@859 569 while (1) {
adamc@859 570 int new_fd = accept(FCGI_LISTENSOCK_FILENO, (struct sockaddr *)&their_addr, &sin_size);
adamc@859 571
adamc@859 572 if (new_fd < 0) {
adamc@859 573 fprintf(stderr, "Socket accept failed\n");
adamc@859 574 return 1;
adamc@859 575 }
adamc@859 576
adamc@859 577 if (fwsa) {
adamc@859 578 char host[100], matched = 0;
adamc@859 579 char *ips, *sep;
adamc@859 580
adamc@859 581 if (getnameinfo((struct sockaddr *)&their_addr, sin_size, host, sizeof host, NULL, 0, NI_NUMERICHOST)) {
adamc@859 582 fprintf(stderr, "Remote IP determination failed\n");
adamc@859 583 return 1;
adamc@859 584 }
adamc@859 585
adamc@859 586 for (ips = fwsa; sep = strchr(ips, ','); ips = sep+1) {
adamc@859 587 if (!strncmp(ips, host, sep - ips)) {
adamc@859 588 matched = 1;
adamc@859 589 break;
adamc@859 590 }
adamc@859 591 }
adamc@859 592
adamc@859 593 if (!matched && strcmp(ips, host)) {
adamc@859 594 fprintf(stderr, "Remote address is not in FCGI_WEB_SERVER_ADDRS");
adamc@859 595 return 1;
adamc@859 596 }
adamc@859 597 }
adamc@859 598
adamc@859 599 uw_enqueue(new_fd);
adamc@859 600 }
adamc@859 601 }