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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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10
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400
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11 static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u);
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12 static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u);
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448
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13 static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u);
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362
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14
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348
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15
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16 in_addr_t
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17 ngx_inet_addr(u_char *text, size_t len)
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18 {
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19 u_char *p, c;
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20 in_addr_t addr;
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21 ngx_uint_t octet, n;
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22
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23 addr = 0;
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24 octet = 0;
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25 n = 0;
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26
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27 for (p = text; p < text + len; p++) {
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28
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29 c = *p;
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30
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31 if (c >= '0' && c <= '9') {
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32 octet = octet * 10 + (c - '0');
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33 continue;
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34 }
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35
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36 if (c == '.' && octet < 256) {
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37 addr = (addr << 8) + octet;
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38 octet = 0;
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39 n++;
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40 continue;
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41 }
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42
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43 return INADDR_NONE;
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44 }
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45
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46 if (n != 3) {
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47 return INADDR_NONE;
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48 }
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49
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50 if (octet < 256) {
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51 addr = (addr << 8) + octet;
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52 return htonl(addr);
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53 }
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54
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55 return INADDR_NONE;
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56 }
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57
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58
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540
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59 #if (NGX_HAVE_INET6)
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60
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61 ngx_int_t
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62 ngx_inet6_addr(u_char *p, size_t len, u_char *addr)
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63 {
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64 u_char c, *zero, *digit, *s, *d;
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65 size_t len4;
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66 ngx_uint_t n, nibbles, word;
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67
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68 if (len == 0) {
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69 return NGX_ERROR;
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70 }
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71
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72 zero = NULL;
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73 digit = NULL;
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74 len4 = 0;
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75 nibbles = 0;
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76 word = 0;
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77 n = 8;
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78
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79 if (p[0] == ':') {
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80 p++;
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81 len--;
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82 }
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83
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84 for (/* void */; len; len--) {
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85 c = *p++;
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86
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87 if (c == ':') {
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88 if (nibbles) {
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89 digit = p;
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90 len4 = len;
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91 *addr++ = (u_char) (word >> 8);
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92 *addr++ = (u_char) (word & 0xff);
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93
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94 if (--n) {
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95 nibbles = 0;
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96 word = 0;
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97 continue;
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98 }
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99
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100 } else {
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101 if (zero == NULL) {
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102 digit = p;
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103 len4 = len;
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104 zero = addr;
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105 continue;
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106 }
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107 }
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108
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109 return NGX_ERROR;
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110 }
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111
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112 if (c == '.' && nibbles) {
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113 if (n < 2) {
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114 return NGX_ERROR;
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115 }
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116
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117 word = ngx_inet_addr(digit, len4 - 1);
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118 if (word == INADDR_NONE) {
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119 return NGX_ERROR;
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120 }
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121
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122 word = ntohl(word);
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123 *addr++ = (u_char) ((word >> 24) & 0xff);
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124 *addr++ = (u_char) ((word >> 16) & 0xff);
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125 n--;
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126 break;
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127 }
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128
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129 if (++nibbles > 4) {
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130 return NGX_ERROR;
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131 }
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132
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133 if (c >= '0' && c <= '9') {
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134 word = word * 16 + (c - '0');
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135 continue;
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136 }
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137
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138 c |= 0x20;
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139
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140 if (c >= 'a' && c <= 'f') {
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141 word = word * 16 + (c - 'a') + 10;
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142 continue;
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143 }
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144
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145 return NGX_ERROR;
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146 }
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147
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148 if (nibbles == 0 && zero == NULL) {
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149 return NGX_ERROR;
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150 }
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151
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152 *addr++ = (u_char) (word >> 8);
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153 *addr++ = (u_char) (word & 0xff);
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154
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155 if (--n) {
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156 if (zero) {
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157 n *= 2;
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158 s = addr - 1;
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159 d = s + n;
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160 while (s >= zero) {
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161 *d-- = *s--;
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162 }
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163 ngx_memzero(zero, n);
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164 return NGX_OK;
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165 }
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166
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167 } else {
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168 if (zero == NULL) {
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169 return NGX_OK;
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170 }
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171 }
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172
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173 return NGX_ERROR;
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174 }
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175
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176 #endif
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177
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178
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58
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179 size_t
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448
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180 ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
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0
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181 {
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448
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182 u_char *p;
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183 struct sockaddr_in *sin;
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184 #if (NGX_HAVE_INET6)
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185 size_t n;
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186 struct sockaddr_in6 *sin6;
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187 #endif
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538
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188 #if (NGX_HAVE_UNIX_DOMAIN)
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189 struct sockaddr_un *saun;
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190 #endif
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0
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191
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448
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192 switch (sa->sa_family) {
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193
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194 case AF_INET:
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0
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195
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400
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196 sin = (struct sockaddr_in *) sa;
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197 p = (u_char *) &sin->sin_addr;
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0
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198
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448
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199 if (port) {
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200 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d",
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201 p[0], p[1], p[2], p[3], ntohs(sin->sin_port));
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202 } else {
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203 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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204 p[0], p[1], p[2], p[3]);
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205 }
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206
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207 return (p - text);
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208
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209 #if (NGX_HAVE_INET6)
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210
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211 case AF_INET6:
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212
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213 sin6 = (struct sockaddr_in6 *) sa;
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214
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215 n = 0;
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216
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217 if (port) {
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218 text[n++] = '[';
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219 }
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220
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540
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221 n = ngx_inet6_ntop(sin6->sin6_addr.s6_addr, &text[n], len);
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448
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222
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223 if (port) {
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224 n = ngx_sprintf(&text[1 + n], "]:%d",
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225 ntohs(sin6->sin6_port)) - text;
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226 }
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227
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228 return n;
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229 #endif
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230
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538
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231 #if (NGX_HAVE_UNIX_DOMAIN)
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232
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233 case AF_UNIX:
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234 saun = (struct sockaddr_un *) sa;
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235
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236 /* we do not include trailing zero in address length */
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237
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238 return ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path) - text - 1;
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239
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240 #endif
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241
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448
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242 default:
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243 return 0;
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0
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244 }
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245 }
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246
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362
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247
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58
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248 size_t
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249 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
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0
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250 {
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400
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251 u_char *p;
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0
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252
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448
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253 switch (family) {
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0
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254
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448
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255 case AF_INET:
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256
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257 p = addr;
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0
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258
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400
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259 return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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260 p[0], p[1], p[2], p[3])
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261 - text;
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448
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262
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263 #if (NGX_HAVE_INET6)
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264
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265 case AF_INET6:
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266 return ngx_inet6_ntop(addr, text, len);
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267
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268 #endif
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269
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270 default:
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271 return 0;
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272 }
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273 }
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274
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275
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276 #if (NGX_HAVE_INET6)
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277
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540
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278 size_t
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448
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279 ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
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280 {
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281 u_char *dst;
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282 size_t max, n;
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283 ngx_uint_t i, zero, last;
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284
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285 if (len < NGX_INET6_ADDRSTRLEN) {
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286 return 0;
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0
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287 }
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288
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448
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289 zero = (ngx_uint_t) -1;
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290 last = (ngx_uint_t) -1;
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291 max = 1;
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292 n = 0;
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293
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294 for (i = 0; i < 16; i += 2) {
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295
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296 if (p[i] || p[i + 1]) {
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297
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298 if (max < n) {
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299 zero = last;
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300 max = n;
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301 }
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302
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303 n = 0;
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304 continue;
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305 }
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306
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307 if (n++ == 0) {
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308 last = i;
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309 }
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310 }
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311
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312 if (max < n) {
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313 zero = last;
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314 max = n;
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315 }
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316
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317 dst = text;
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318 n = 16;
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319
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320 if (zero == 0) {
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321
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322 if ((max == 5 && p[10] == 0xff && p[11] == 0xff)
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323 || (max == 6)
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324 || (max == 7 && p[14] != 0 && p[15] != 1))
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325 {
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326 n = 12;
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327 }
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328
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329 *dst++ = ':';
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330 }
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331
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332 for (i = 0; i < n; i += 2) {
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333
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334 if (i == zero) {
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335 *dst++ = ':';
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336 i += (max - 1) * 2;
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337 continue;
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338 }
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339
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340 dst = ngx_sprintf(dst, "%uxi", p[i] * 256 + p[i + 1]);
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341
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342 if (i < 14) {
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343 *dst++ = ':';
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344 }
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345 }
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346
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347 if (n == 12) {
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348 dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]);
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349 }
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350
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351 return dst - text;
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362
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352 }
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353
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448
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354 #endif
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355
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362
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356
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58
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357 ngx_int_t
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454
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358 ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr)
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0
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359 {
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540
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360 u_char *addr, *mask, *last;
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361 size_t len;
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362 ngx_int_t shift;
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363 #if (NGX_HAVE_INET6)
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364 ngx_int_t rc;
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365 ngx_uint_t s, i;
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366 #endif
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0
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367
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400
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368 addr = text->data;
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369 last = addr + text->len;
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0
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370
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400
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371 mask = ngx_strlchr(addr, last, '/');
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540
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372 len = (mask ? mask : last) - addr;
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0
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373
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540
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374 cidr->u.in.addr = ngx_inet_addr(addr, len);
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375
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376 if (cidr->u.in.addr != INADDR_NONE) {
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377 cidr->family = AF_INET;
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378
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379 if (mask == NULL) {
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380 cidr->u.in.mask = 0xffffffff;
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381 return NGX_OK;
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382 }
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400
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383
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540
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384 #if (NGX_HAVE_INET6)
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385 } else if (ngx_inet6_addr(addr, len, cidr->u.in6.addr.s6_addr) == NGX_OK) {
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386 cidr->family = AF_INET6;
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387
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388 if (mask == NULL) {
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389 ngx_memset(cidr->u.in6.mask.s6_addr, 0xff, 16);
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390 return NGX_OK;
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391 }
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392
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393 #endif
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394 } else {
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0
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395 return NGX_ERROR;
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396 }
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397
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400
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398 mask++;
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399
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400 shift = ngx_atoi(mask, last - mask);
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401 if (shift == NGX_ERROR) {
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0
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402 return NGX_ERROR;
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403 }
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404
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540
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405 switch (cidr->family) {
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454
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406
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540
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407 #if (NGX_HAVE_INET6)
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408 case AF_INET6:
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409 addr = cidr->u.in6.addr.s6_addr;
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410 mask = cidr->u.in6.mask.s6_addr;
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411 rc = NGX_OK;
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412
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413 for (i = 0; i < 16; i++) {
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414
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415 s = (shift > 8) ? 8 : shift;
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416 shift -= s;
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417
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418 mask[i] = (u_char) (0 - (1 << (8 - s)));
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0
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419
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540
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420 if (addr[i] != (addr[i] & mask[i])) {
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421 rc = NGX_DONE;
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422 addr[i] &= mask[i];
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423 }
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424 }
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425
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426 return rc;
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427 #endif
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0
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428
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540
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429 default: /* AF_INET */
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430
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431 if (shift) {
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432 cidr->u.in.mask = htonl((ngx_uint_t) (0 - (1 << (32 - shift))));
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400
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433
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540
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434 } else {
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435 /* x86 compilers use a shl instruction that shifts by modulo 32 */
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436 cidr->u.in.mask = 0;
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437 }
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438
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439 if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) {
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400
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440 return NGX_OK;
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441 }
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442
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540
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443 cidr->u.in.addr &= cidr->u.in.mask;
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444
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400
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445 return NGX_DONE;
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0
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446 }
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540
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447 }
|
|
|
448
|
|
|
449
|
|
|
450 ngx_int_t
|
|
|
451 ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len)
|
|
|
452 {
|
|
|
453 in_addr_t inaddr;
|
|
|
454 ngx_uint_t family;
|
|
|
455 struct sockaddr_in *sin;
|
|
|
456 #if (NGX_HAVE_INET6)
|
|
|
457 struct in6_addr inaddr6;
|
|
|
458 struct sockaddr_in6 *sin6;
|
|
|
459
|
|
|
460 /*
|
|
|
461 * prevent MSVC8 waring:
|
|
|
462 * potentially uninitialized local variable 'inaddr6' used
|
|
|
463 */
|
|
|
464 ngx_memzero(inaddr6.s6_addr, sizeof(struct in6_addr));
|
|
|
465 #endif
|
|
|
466
|
|
|
467 inaddr = ngx_inet_addr(text, len);
|
|
|
468
|
|
|
469 if (inaddr != INADDR_NONE) {
|
|
|
470 family = AF_INET;
|
|
|
471 len = sizeof(struct sockaddr_in);
|
|
|
472
|
|
|
473 #if (NGX_HAVE_INET6)
|
|
|
474 } else if (ngx_inet6_addr(text, len, inaddr6.s6_addr) == NGX_OK) {
|
|
|
475 family = AF_INET6;
|
|
|
476 len = sizeof(struct sockaddr_in6);
|
|
|
477
|
|
|
478 #endif
|
|
|
479 } else {
|
|
|
480 return NGX_DECLINED;
|
|
|
481 }
|
|
0
|
482
|
|
540
|
483 addr->sockaddr = ngx_pcalloc(pool, len);
|
|
|
484 if (addr->sockaddr == NULL) {
|
|
|
485 return NGX_ERROR;
|
|
326
|
486 }
|
|
|
487
|
|
540
|
488 addr->sockaddr->sa_family = (u_char) family;
|
|
|
489 addr->socklen = len;
|
|
|
490
|
|
|
491 switch (family) {
|
|
326
|
492
|
|
540
|
493 #if (NGX_HAVE_INET6)
|
|
|
494 case AF_INET6:
|
|
|
495 sin6 = (struct sockaddr_in6 *) addr->sockaddr;
|
|
|
496 ngx_memcpy(sin6->sin6_addr.s6_addr, inaddr6.s6_addr, 16);
|
|
|
497 break;
|
|
|
498 #endif
|
|
|
499
|
|
|
500 default: /* AF_INET */
|
|
|
501 sin = (struct sockaddr_in *) addr->sockaddr;
|
|
|
502 sin->sin_addr.s_addr = inaddr;
|
|
|
503 break;
|
|
|
504 }
|
|
|
505
|
|
|
506 return NGX_OK;
|
|
0
|
507 }
|
|
|
508
|
|
|
509
|
|
200
|
510 ngx_int_t
|
|
340
|
511 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
512 {
|
|
400
|
513 u_char *p;
|
|
200
|
514
|
|
|
515 p = u->url.data;
|
|
|
516
|
|
286
|
517 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
|
|
400
|
518 return ngx_parse_unix_domain_url(pool, u);
|
|
200
|
519 }
|
|
|
520
|
|
|
521 if ((p[0] == ':' || p[0] == '/') && !u->listen) {
|
|
|
522 u->err = "invalid host";
|
|
|
523 return NGX_ERROR;
|
|
|
524 }
|
|
|
525
|
|
448
|
526 if (p[0] == '[') {
|
|
|
527 return ngx_parse_inet6_url(pool, u);
|
|
|
528 }
|
|
|
529
|
|
400
|
530 return ngx_parse_inet_url(pool, u);
|
|
|
531 }
|
|
266
|
532
|
|
200
|
533
|
|
400
|
534 static ngx_int_t
|
|
|
535 ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
536 {
|
|
|
537 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
538 u_char *path, *uri, *last;
|
|
|
539 size_t len;
|
|
|
540 struct sockaddr_un *saun;
|
|
200
|
541
|
|
400
|
542 len = u->url.len;
|
|
|
543 path = u->url.data;
|
|
200
|
544
|
|
400
|
545 path += 5;
|
|
|
546 len -= 5;
|
|
|
547
|
|
|
548 if (u->uri_part) {
|
|
200
|
549
|
|
400
|
550 last = path + len;
|
|
|
551 uri = ngx_strlchr(path, last, ':');
|
|
200
|
552
|
|
400
|
553 if (uri) {
|
|
|
554 len = uri - path;
|
|
|
555 uri++;
|
|
|
556 u->uri.len = last - uri;
|
|
|
557 u->uri.data = uri;
|
|
200
|
558 }
|
|
|
559 }
|
|
|
560
|
|
400
|
561 if (len == 0) {
|
|
|
562 u->err = "no path in the unix domain socket";
|
|
|
563 return NGX_ERROR;
|
|
|
564 }
|
|
|
565
|
|
|
566 u->host.len = len++;
|
|
|
567 u->host.data = path;
|
|
|
568
|
|
|
569 if (len > sizeof(saun->sun_path)) {
|
|
|
570 u->err = "too long path in the unix domain socket";
|
|
|
571 return NGX_ERROR;
|
|
|
572 }
|
|
200
|
573
|
|
448
|
574 u->socklen = sizeof(struct sockaddr_un);
|
|
|
575 saun = (struct sockaddr_un *) &u->sockaddr;
|
|
|
576 saun->sun_family = AF_UNIX;
|
|
|
577 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
578
|
|
540
|
579 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
400
|
580 if (u->addrs == NULL) {
|
|
|
581 return NGX_ERROR;
|
|
|
582 }
|
|
|
583
|
|
|
584 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
|
|
|
585 if (saun == NULL) {
|
|
|
586 return NGX_ERROR;
|
|
|
587 }
|
|
|
588
|
|
448
|
589 u->family = AF_UNIX;
|
|
400
|
590 u->naddrs = 1;
|
|
|
591
|
|
|
592 saun->sun_family = AF_UNIX;
|
|
|
593 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
594
|
|
|
595 u->addrs[0].sockaddr = (struct sockaddr *) saun;
|
|
|
596 u->addrs[0].socklen = sizeof(struct sockaddr_un);
|
|
|
597 u->addrs[0].name.len = len + 4;
|
|
|
598 u->addrs[0].name.data = u->url.data;
|
|
200
|
599
|
|
400
|
600 return NGX_OK;
|
|
|
601
|
|
|
602 #else
|
|
|
603
|
|
|
604 u->err = "the unix domain sockets are not supported on this platform";
|
|
|
605
|
|
|
606 return NGX_ERROR;
|
|
|
607
|
|
|
608 #endif
|
|
|
609 }
|
|
|
610
|
|
|
611
|
|
|
612 static ngx_int_t
|
|
|
613 ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
614 {
|
|
448
|
615 u_char *p, *host, *port, *last, *uri, *args;
|
|
|
616 size_t len;
|
|
|
617 ngx_int_t n;
|
|
|
618 struct hostent *h;
|
|
|
619 struct sockaddr_in *sin;
|
|
|
620
|
|
|
621 u->socklen = sizeof(struct sockaddr_in);
|
|
|
622 sin = (struct sockaddr_in *) &u->sockaddr;
|
|
|
623 sin->sin_family = AF_INET;
|
|
400
|
624
|
|
|
625 u->family = AF_INET;
|
|
|
626
|
|
|
627 host = u->url.data;
|
|
|
628
|
|
|
629 last = host + u->url.len;
|
|
|
630
|
|
|
631 port = ngx_strlchr(host, last, ':');
|
|
|
632
|
|
416
|
633 uri = ngx_strlchr(host, last, '/');
|
|
|
634
|
|
|
635 args = ngx_strlchr(host, last, '?');
|
|
|
636
|
|
|
637 if (args) {
|
|
|
638 if (uri == NULL) {
|
|
|
639 uri = args;
|
|
|
640
|
|
|
641 } else if (args < uri) {
|
|
|
642 uri = args;
|
|
|
643 }
|
|
|
644 }
|
|
400
|
645
|
|
|
646 if (uri) {
|
|
|
647 if (u->listen || !u->uri_part) {
|
|
|
648 u->err = "invalid host";
|
|
|
649 return NGX_ERROR;
|
|
200
|
650 }
|
|
|
651
|
|
400
|
652 u->uri.len = last - uri;
|
|
|
653 u->uri.data = uri;
|
|
|
654
|
|
|
655 last = uri;
|
|
416
|
656
|
|
|
657 if (uri < port) {
|
|
|
658 port = NULL;
|
|
418
|
659 }
|
|
400
|
660 }
|
|
200
|
661
|
|
400
|
662 if (port) {
|
|
|
663 port++;
|
|
|
664
|
|
|
665 len = last - port;
|
|
|
666
|
|
|
667 if (len == 0) {
|
|
200
|
668 u->err = "invalid port";
|
|
|
669 return NGX_ERROR;
|
|
|
670 }
|
|
|
671
|
|
400
|
672 n = ngx_atoi(port, len);
|
|
200
|
673
|
|
400
|
674 if (n < 1 || n > 65536) {
|
|
|
675 u->err = "invalid port";
|
|
|
676 return NGX_ERROR;
|
|
252
|
677 }
|
|
|
678
|
|
400
|
679 u->port = (in_port_t) n;
|
|
448
|
680 sin->sin_port = htons((in_port_t) n);
|
|
252
|
681
|
|
400
|
682 u->port_text.len = len;
|
|
|
683 u->port_text.data = port;
|
|
|
684
|
|
|
685 last = port - 1;
|
|
252
|
686
|
|
400
|
687 } else {
|
|
|
688 if (uri == NULL) {
|
|
252
|
689
|
|
400
|
690 if (u->listen) {
|
|
252
|
691
|
|
400
|
692 /* test value as port only */
|
|
|
693
|
|
|
694 n = ngx_atoi(host, last - host);
|
|
252
|
695
|
|
400
|
696 if (n != NGX_ERROR) {
|
|
|
697
|
|
|
698 if (n < 1 || n > 65536) {
|
|
|
699 u->err = "invalid port";
|
|
|
700 return NGX_ERROR;
|
|
|
701 }
|
|
252
|
702
|
|
400
|
703 u->port = (in_port_t) n;
|
|
448
|
704 sin->sin_port = htons((in_port_t) n);
|
|
400
|
705
|
|
|
706 u->port_text.len = last - host;
|
|
|
707 u->port_text.data = host;
|
|
|
708
|
|
448
|
709 u->wildcard = 1;
|
|
|
710
|
|
400
|
711 return NGX_OK;
|
|
252
|
712 }
|
|
|
713 }
|
|
|
714 }
|
|
|
715
|
|
400
|
716 u->no_port = 1;
|
|
200
|
717 }
|
|
|
718
|
|
400
|
719 len = last - host;
|
|
|
720
|
|
|
721 if (len == 0) {
|
|
200
|
722 u->err = "no host";
|
|
|
723 return NGX_ERROR;
|
|
|
724 }
|
|
|
725
|
|
400
|
726 if (len == 1 && *host == '*') {
|
|
|
727 len = 0;
|
|
|
728 }
|
|
|
729
|
|
|
730 u->host.len = len;
|
|
|
731 u->host.data = host;
|
|
|
732
|
|
260
|
733 if (u->no_resolve) {
|
|
|
734 return NGX_OK;
|
|
200
|
735 }
|
|
|
736
|
|
540
|
737 if (len) {
|
|
|
738 sin->sin_addr.s_addr = ngx_inet_addr(host, len);
|
|
400
|
739
|
|
448
|
740 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
540
|
741 p = ngx_alloc(++len, pool->log);
|
|
|
742 if (p == NULL) {
|
|
|
743 return NGX_ERROR;
|
|
|
744 }
|
|
|
745
|
|
|
746 (void) ngx_cpystrn(p, host, len);
|
|
|
747
|
|
400
|
748 h = gethostbyname((const char *) p);
|
|
|
749
|
|
540
|
750 ngx_free(p);
|
|
|
751
|
|
400
|
752 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
|
753 u->err = "host not found";
|
|
|
754 return NGX_ERROR;
|
|
|
755 }
|
|
|
756
|
|
448
|
757 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[0]);
|
|
|
758 }
|
|
|
759
|
|
|
760 if (sin->sin_addr.s_addr == INADDR_ANY) {
|
|
|
761 u->wildcard = 1;
|
|
400
|
762 }
|
|
|
763
|
|
|
764 } else {
|
|
448
|
765 sin->sin_addr.s_addr = INADDR_ANY;
|
|
|
766 u->wildcard = 1;
|
|
400
|
767 }
|
|
|
768
|
|
266
|
769 if (u->no_port) {
|
|
|
770 u->port = u->default_port;
|
|
448
|
771 sin->sin_port = htons(u->default_port);
|
|
266
|
772 }
|
|
|
773
|
|
400
|
774 if (u->listen) {
|
|
|
775 return NGX_OK;
|
|
266
|
776 }
|
|
|
777
|
|
340
|
778 if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
|
|
200
|
779 return NGX_ERROR;
|
|
|
780 }
|
|
|
781
|
|
|
782 return NGX_OK;
|
|
|
783 }
|
|
|
784
|
|
|
785
|
|
448
|
786 static ngx_int_t
|
|
|
787 ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
788 {
|
|
|
789 #if (NGX_HAVE_INET6)
|
|
|
790 u_char *p, *host, *port, *last, *uri;
|
|
|
791 size_t len;
|
|
|
792 ngx_int_t n;
|
|
|
793 struct sockaddr_in6 *sin6;
|
|
|
794
|
|
|
795 u->socklen = sizeof(struct sockaddr_in6);
|
|
|
796 sin6 = (struct sockaddr_in6 *) &u->sockaddr;
|
|
|
797 sin6->sin6_family = AF_INET6;
|
|
|
798
|
|
|
799 host = u->url.data + 1;
|
|
|
800
|
|
|
801 last = u->url.data + u->url.len;
|
|
|
802
|
|
|
803 p = ngx_strlchr(host, last, ']');
|
|
|
804
|
|
|
805 if (p == NULL) {
|
|
|
806 u->err = "invalid host";
|
|
|
807 return NGX_ERROR;
|
|
|
808 }
|
|
|
809
|
|
|
810 if (last - p) {
|
|
|
811
|
|
|
812 port = p + 1;
|
|
|
813
|
|
|
814 uri = ngx_strlchr(port, last, '/');
|
|
|
815
|
|
|
816 if (uri) {
|
|
|
817 if (u->listen || !u->uri_part) {
|
|
|
818 u->err = "invalid host";
|
|
|
819 return NGX_ERROR;
|
|
|
820 }
|
|
|
821
|
|
|
822 u->uri.len = last - uri;
|
|
|
823 u->uri.data = uri;
|
|
|
824 }
|
|
|
825
|
|
|
826 if (*port == ':') {
|
|
|
827 port++;
|
|
|
828
|
|
|
829 len = last - port;
|
|
|
830
|
|
|
831 if (len == 0) {
|
|
|
832 u->err = "invalid port";
|
|
|
833 return NGX_ERROR;
|
|
|
834 }
|
|
|
835
|
|
|
836 n = ngx_atoi(port, len);
|
|
|
837
|
|
|
838 if (n < 1 || n > 65536) {
|
|
|
839 u->err = "invalid port";
|
|
|
840 return NGX_ERROR;
|
|
|
841 }
|
|
|
842
|
|
|
843 u->port = (in_port_t) n;
|
|
|
844 sin6->sin6_port = htons((in_port_t) n);
|
|
|
845
|
|
|
846 u->port_text.len = len;
|
|
|
847 u->port_text.data = port;
|
|
|
848
|
|
|
849 } else {
|
|
|
850 u->no_port = 1;
|
|
|
851 }
|
|
|
852 }
|
|
|
853
|
|
|
854 len = p - host;
|
|
|
855
|
|
|
856 if (len == 0) {
|
|
|
857 u->err = "no host";
|
|
|
858 return NGX_ERROR;
|
|
|
859 }
|
|
|
860
|
|
540
|
861 u->host.len = len;
|
|
448
|
862 u->host.data = host;
|
|
|
863
|
|
540
|
864 if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) {
|
|
448
|
865 u->err = "invalid IPv6 address";
|
|
|
866 return NGX_ERROR;
|
|
|
867 }
|
|
|
868
|
|
|
869 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
|
870 u->wildcard = 1;
|
|
|
871 }
|
|
|
872
|
|
|
873 u->family = AF_INET6;
|
|
|
874
|
|
|
875 if (u->no_resolve) {
|
|
|
876 return NGX_OK;
|
|
|
877 }
|
|
|
878
|
|
|
879 if (u->no_port) {
|
|
|
880 u->port = u->default_port;
|
|
|
881 sin6->sin6_port = htons(u->default_port);
|
|
|
882 }
|
|
|
883
|
|
|
884 return NGX_OK;
|
|
|
885
|
|
|
886 #else
|
|
|
887
|
|
|
888 u->err = "the INET6 sockets are not supported on this platform";
|
|
|
889
|
|
|
890 return NGX_ERROR;
|
|
|
891
|
|
|
892 #endif
|
|
|
893 }
|
|
|
894
|
|
|
895
|
|
260
|
896 ngx_int_t
|
|
340
|
897 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
898 {
|
|
266
|
899 u_char *p, *host;
|
|
200
|
900 size_t len;
|
|
448
|
901 in_port_t port;
|
|
200
|
902 in_addr_t in_addr;
|
|
|
903 ngx_uint_t i;
|
|
|
904 struct hostent *h;
|
|
|
905 struct sockaddr_in *sin;
|
|
|
906
|
|
|
907 /* AF_INET only */
|
|
|
908
|
|
450
|
909 port = htons(u->port);
|
|
448
|
910
|
|
540
|
911 in_addr = ngx_inet_addr(u->host.data, u->host.len);
|
|
200
|
912
|
|
|
913 if (in_addr == INADDR_NONE) {
|
|
540
|
914 host = ngx_alloc(u->host.len + 1, pool->log);
|
|
|
915 if (host == NULL) {
|
|
|
916 return NGX_ERROR;
|
|
|
917 }
|
|
|
918
|
|
|
919 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
|
|
|
920
|
|
200
|
921 h = gethostbyname((char *) host);
|
|
|
922
|
|
340
|
923 ngx_free(host);
|
|
|
924
|
|
200
|
925 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
260
|
926 u->err = "host not found";
|
|
|
927 return NGX_ERROR;
|
|
200
|
928 }
|
|
|
929
|
|
260
|
930 if (u->one_addr == 0) {
|
|
|
931 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
|
932
|
|
|
933 } else {
|
|
|
934 i = 1;
|
|
|
935 }
|
|
200
|
936
|
|
|
937 /* MP: ngx_shared_palloc() */
|
|
|
938
|
|
540
|
939 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));
|
|
260
|
940 if (u->addrs == NULL) {
|
|
|
941 return NGX_ERROR;
|
|
200
|
942 }
|
|
|
943
|
|
260
|
944 u->naddrs = i;
|
|
200
|
945
|
|
|
946 for (i = 0; h->h_addr_list[i] != NULL; i++) {
|
|
|
947
|
|
340
|
948 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
949 if (sin == NULL) {
|
|
260
|
950 return NGX_ERROR;
|
|
200
|
951 }
|
|
|
952
|
|
|
953 sin->sin_family = AF_INET;
|
|
448
|
954 sin->sin_port = port;
|
|
200
|
955 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
|
|
956
|
|
260
|
957 u->addrs[i].sockaddr = (struct sockaddr *) sin;
|
|
|
958 u->addrs[i].socklen = sizeof(struct sockaddr_in);
|
|
200
|
959
|
|
448
|
960 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
|
|
200
|
961
|
|
382
|
962 p = ngx_pnalloc(pool, len);
|
|
266
|
963 if (p == NULL) {
|
|
260
|
964 return NGX_ERROR;
|
|
200
|
965 }
|
|
|
966
|
|
448
|
967 len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1);
|
|
200
|
968
|
|
448
|
969 u->addrs[i].name.len = len;
|
|
266
|
970 u->addrs[i].name.data = p;
|
|
200
|
971 }
|
|
|
972
|
|
|
973 } else {
|
|
|
974
|
|
|
975 /* MP: ngx_shared_palloc() */
|
|
|
976
|
|
540
|
977 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
260
|
978 if (u->addrs == NULL) {
|
|
|
979 return NGX_ERROR;
|
|
200
|
980 }
|
|
|
981
|
|
340
|
982 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
983 if (sin == NULL) {
|
|
260
|
984 return NGX_ERROR;
|
|
200
|
985 }
|
|
|
986
|
|
260
|
987 u->naddrs = 1;
|
|
200
|
988
|
|
|
989 sin->sin_family = AF_INET;
|
|
448
|
990 sin->sin_port = port;
|
|
200
|
991 sin->sin_addr.s_addr = in_addr;
|
|
|
992
|
|
260
|
993 u->addrs[0].sockaddr = (struct sockaddr *) sin;
|
|
|
994 u->addrs[0].socklen = sizeof(struct sockaddr_in);
|
|
200
|
995
|
|
448
|
996 p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
|
|
266
|
997 if (p == NULL) {
|
|
260
|
998 return NGX_ERROR;
|
|
200
|
999 }
|
|
|
1000
|
|
448
|
1001 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
|
|
|
1002 &u->host, ntohs(port)) - p;
|
|
266
|
1003 u->addrs[0].name.data = p;
|
|
200
|
1004 }
|
|
|
1005
|
|
260
|
1006 return NGX_OK;
|
|
200
|
1007 }
|
