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