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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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660
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4 * Copyright (C) Nginx, Inc.
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0
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10
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11
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400
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12 static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u);
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13 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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14 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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15
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348
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16
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17 in_addr_t
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18 ngx_inet_addr(u_char *text, size_t len)
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19 {
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20 u_char *p, c;
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21 in_addr_t addr;
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22 ngx_uint_t octet, n;
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23
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24 addr = 0;
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25 octet = 0;
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26 n = 0;
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27
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28 for (p = text; p < text + len; p++) {
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29
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30 c = *p;
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31
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32 if (c >= '0' && c <= '9') {
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33 octet = octet * 10 + (c - '0');
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34 continue;
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35 }
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36
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37 if (c == '.' && octet < 256) {
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38 addr = (addr << 8) + octet;
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39 octet = 0;
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40 n++;
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41 continue;
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42 }
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43
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44 return INADDR_NONE;
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45 }
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46
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47 if (n != 3) {
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48 return INADDR_NONE;
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49 }
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50
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51 if (octet < 256) {
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52 addr = (addr << 8) + octet;
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53 return htonl(addr);
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54 }
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55
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56 return INADDR_NONE;
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57 }
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58
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59
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540
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60 #if (NGX_HAVE_INET6)
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61
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62 ngx_int_t
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63 ngx_inet6_addr(u_char *p, size_t len, u_char *addr)
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64 {
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65 u_char c, *zero, *digit, *s, *d;
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66 size_t len4;
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67 ngx_uint_t n, nibbles, word;
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68
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69 if (len == 0) {
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70 return NGX_ERROR;
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71 }
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72
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73 zero = NULL;
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74 digit = NULL;
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75 len4 = 0;
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76 nibbles = 0;
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77 word = 0;
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78 n = 8;
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79
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80 if (p[0] == ':') {
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81 p++;
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82 len--;
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83 }
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84
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85 for (/* void */; len; len--) {
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86 c = *p++;
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87
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88 if (c == ':') {
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89 if (nibbles) {
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90 digit = p;
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91 len4 = len;
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92 *addr++ = (u_char) (word >> 8);
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93 *addr++ = (u_char) (word & 0xff);
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94
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95 if (--n) {
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96 nibbles = 0;
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97 word = 0;
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98 continue;
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99 }
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100
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101 } else {
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102 if (zero == NULL) {
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103 digit = p;
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104 len4 = len;
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105 zero = addr;
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106 continue;
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107 }
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108 }
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109
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110 return NGX_ERROR;
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111 }
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112
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113 if (c == '.' && nibbles) {
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622
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114 if (n < 2 || digit == NULL) {
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540
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115 return NGX_ERROR;
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116 }
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117
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118 word = ngx_inet_addr(digit, len4 - 1);
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119 if (word == INADDR_NONE) {
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120 return NGX_ERROR;
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121 }
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122
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123 word = ntohl(word);
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124 *addr++ = (u_char) ((word >> 24) & 0xff);
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125 *addr++ = (u_char) ((word >> 16) & 0xff);
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126 n--;
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127 break;
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128 }
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129
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130 if (++nibbles > 4) {
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131 return NGX_ERROR;
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132 }
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133
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134 if (c >= '0' && c <= '9') {
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135 word = word * 16 + (c - '0');
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136 continue;
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137 }
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138
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139 c |= 0x20;
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140
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141 if (c >= 'a' && c <= 'f') {
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142 word = word * 16 + (c - 'a') + 10;
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143 continue;
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144 }
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145
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146 return NGX_ERROR;
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147 }
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148
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149 if (nibbles == 0 && zero == NULL) {
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150 return NGX_ERROR;
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151 }
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152
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153 *addr++ = (u_char) (word >> 8);
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154 *addr++ = (u_char) (word & 0xff);
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155
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156 if (--n) {
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157 if (zero) {
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158 n *= 2;
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159 s = addr - 1;
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160 d = s + n;
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161 while (s >= zero) {
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162 *d-- = *s--;
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163 }
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164 ngx_memzero(zero, n);
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165 return NGX_OK;
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166 }
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167
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168 } else {
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169 if (zero == NULL) {
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170 return NGX_OK;
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171 }
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172 }
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173
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174 return NGX_ERROR;
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175 }
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176
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177 #endif
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178
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179
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58
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180 size_t
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448
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181 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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182 {
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448
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183 u_char *p;
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184 struct sockaddr_in *sin;
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185 #if (NGX_HAVE_INET6)
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186 size_t n;
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187 struct sockaddr_in6 *sin6;
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188 #endif
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538
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189 #if (NGX_HAVE_UNIX_DOMAIN)
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190 struct sockaddr_un *saun;
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191 #endif
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0
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192
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448
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193 switch (sa->sa_family) {
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194
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195 case AF_INET:
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0
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196
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400
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197 sin = (struct sockaddr_in *) sa;
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198 p = (u_char *) &sin->sin_addr;
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0
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199
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448
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200 if (port) {
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201 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d",
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202 p[0], p[1], p[2], p[3], ntohs(sin->sin_port));
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203 } else {
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204 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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205 p[0], p[1], p[2], p[3]);
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206 }
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207
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208 return (p - text);
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209
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210 #if (NGX_HAVE_INET6)
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211
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212 case AF_INET6:
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213
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214 sin6 = (struct sockaddr_in6 *) sa;
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215
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216 n = 0;
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217
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218 if (port) {
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219 text[n++] = '[';
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220 }
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221
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540
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222 n = ngx_inet6_ntop(sin6->sin6_addr.s6_addr, &text[n], len);
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448
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223
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224 if (port) {
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225 n = ngx_sprintf(&text[1 + n], "]:%d",
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226 ntohs(sin6->sin6_port)) - text;
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227 }
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228
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229 return n;
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230 #endif
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231
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538
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232 #if (NGX_HAVE_UNIX_DOMAIN)
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233
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234 case AF_UNIX:
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235 saun = (struct sockaddr_un *) sa;
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236
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237 /* we do not include trailing zero in address length */
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238
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239 return ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path) - text - 1;
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240
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241 #endif
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242
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448
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243 default:
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244 return 0;
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0
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245 }
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246 }
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247
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362
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248
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58
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249 size_t
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250 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
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0
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251 {
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400
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252 u_char *p;
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0
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253
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448
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254 switch (family) {
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0
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255
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448
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256 case AF_INET:
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257
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258 p = addr;
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0
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259
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400
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260 return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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261 p[0], p[1], p[2], p[3])
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262 - text;
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448
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263
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264 #if (NGX_HAVE_INET6)
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265
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266 case AF_INET6:
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267 return ngx_inet6_ntop(addr, text, len);
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268
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269 #endif
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270
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271 default:
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272 return 0;
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273 }
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274 }
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275
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276
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277 #if (NGX_HAVE_INET6)
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278
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540
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279 size_t
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448
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280 ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
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281 {
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282 u_char *dst;
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283 size_t max, n;
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284 ngx_uint_t i, zero, last;
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285
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286 if (len < NGX_INET6_ADDRSTRLEN) {
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287 return 0;
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0
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288 }
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289
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448
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290 zero = (ngx_uint_t) -1;
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291 last = (ngx_uint_t) -1;
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292 max = 1;
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293 n = 0;
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294
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295 for (i = 0; i < 16; i += 2) {
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296
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297 if (p[i] || p[i + 1]) {
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298
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299 if (max < n) {
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300 zero = last;
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301 max = n;
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302 }
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303
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304 n = 0;
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305 continue;
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306 }
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307
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308 if (n++ == 0) {
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309 last = i;
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310 }
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311 }
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312
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313 if (max < n) {
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314 zero = last;
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315 max = n;
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316 }
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317
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318 dst = text;
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319 n = 16;
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320
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321 if (zero == 0) {
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322
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323 if ((max == 5 && p[10] == 0xff && p[11] == 0xff)
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324 || (max == 6)
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325 || (max == 7 && p[14] != 0 && p[15] != 1))
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326 {
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327 n = 12;
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328 }
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329
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330 *dst++ = ':';
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331 }
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332
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333 for (i = 0; i < n; i += 2) {
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334
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335 if (i == zero) {
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336 *dst++ = ':';
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337 i += (max - 1) * 2;
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338 continue;
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339 }
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340
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341 dst = ngx_sprintf(dst, "%uxi", p[i] * 256 + p[i + 1]);
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342
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343 if (i < 14) {
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344 *dst++ = ':';
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345 }
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346 }
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347
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348 if (n == 12) {
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349 dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]);
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350 }
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351
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352 return dst - text;
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362
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353 }
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354
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448
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355 #endif
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356
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362
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357
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58
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358 ngx_int_t
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454
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359 ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr)
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0
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360 {
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540
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361 u_char *addr, *mask, *last;
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362 size_t len;
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363 ngx_int_t shift;
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364 #if (NGX_HAVE_INET6)
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365 ngx_int_t rc;
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366 ngx_uint_t s, i;
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367 #endif
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0
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368
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400
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369 addr = text->data;
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370 last = addr + text->len;
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0
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371
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400
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372 mask = ngx_strlchr(addr, last, '/');
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540
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373 len = (mask ? mask : last) - addr;
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0
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374
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540
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375 cidr->u.in.addr = ngx_inet_addr(addr, len);
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376
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377 if (cidr->u.in.addr != INADDR_NONE) {
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378 cidr->family = AF_INET;
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379
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380 if (mask == NULL) {
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381 cidr->u.in.mask = 0xffffffff;
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382 return NGX_OK;
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383 }
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400
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384
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540
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385 #if (NGX_HAVE_INET6)
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386 } else if (ngx_inet6_addr(addr, len, cidr->u.in6.addr.s6_addr) == NGX_OK) {
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387 cidr->family = AF_INET6;
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388
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389 if (mask == NULL) {
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390 ngx_memset(cidr->u.in6.mask.s6_addr, 0xff, 16);
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391 return NGX_OK;
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392 }
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393
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394 #endif
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395 } else {
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0
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396 return NGX_ERROR;
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397 }
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398
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400
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399 mask++;
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400
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401 shift = ngx_atoi(mask, last - mask);
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402 if (shift == NGX_ERROR) {
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0
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403 return NGX_ERROR;
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404 }
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405
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540
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406 switch (cidr->family) {
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454
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407
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540
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408 #if (NGX_HAVE_INET6)
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409 case AF_INET6:
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410 addr = cidr->u.in6.addr.s6_addr;
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411 mask = cidr->u.in6.mask.s6_addr;
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412 rc = NGX_OK;
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413
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414 for (i = 0; i < 16; i++) {
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415
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416 s = (shift > 8) ? 8 : shift;
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417 shift -= s;
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418
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419 mask[i] = (u_char) (0 - (1 << (8 - s)));
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0
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420
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540
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421 if (addr[i] != (addr[i] & mask[i])) {
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422 rc = NGX_DONE;
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423 addr[i] &= mask[i];
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424 }
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425 }
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426
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427 return rc;
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428 #endif
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|
0
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429
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540
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430 default: /* AF_INET */
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431
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432 if (shift) {
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433 cidr->u.in.mask = htonl((ngx_uint_t) (0 - (1 << (32 - shift))));
|
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400
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434
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540
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435 } else {
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436 /* x86 compilers use a shl instruction that shifts by modulo 32 */
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437 cidr->u.in.mask = 0;
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438 }
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439
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440 if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) {
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400
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441 return NGX_OK;
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442 }
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443
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540
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444 cidr->u.in.addr &= cidr->u.in.mask;
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445
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400
|
446 return NGX_DONE;
|
|
0
|
447 }
|
|
540
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 ngx_int_t
|
|
|
452 ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len)
|
|
|
453 {
|
|
|
454 in_addr_t inaddr;
|
|
|
455 ngx_uint_t family;
|
|
|
456 struct sockaddr_in *sin;
|
|
|
457 #if (NGX_HAVE_INET6)
|
|
|
458 struct in6_addr inaddr6;
|
|
|
459 struct sockaddr_in6 *sin6;
|
|
|
460
|
|
|
461 /*
|
|
|
462 * prevent MSVC8 waring:
|
|
|
463 * potentially uninitialized local variable 'inaddr6' used
|
|
|
464 */
|
|
|
465 ngx_memzero(inaddr6.s6_addr, sizeof(struct in6_addr));
|
|
|
466 #endif
|
|
|
467
|
|
|
468 inaddr = ngx_inet_addr(text, len);
|
|
|
469
|
|
|
470 if (inaddr != INADDR_NONE) {
|
|
|
471 family = AF_INET;
|
|
|
472 len = sizeof(struct sockaddr_in);
|
|
|
473
|
|
|
474 #if (NGX_HAVE_INET6)
|
|
|
475 } else if (ngx_inet6_addr(text, len, inaddr6.s6_addr) == NGX_OK) {
|
|
|
476 family = AF_INET6;
|
|
|
477 len = sizeof(struct sockaddr_in6);
|
|
|
478
|
|
|
479 #endif
|
|
|
480 } else {
|
|
|
481 return NGX_DECLINED;
|
|
|
482 }
|
|
0
|
483
|
|
540
|
484 addr->sockaddr = ngx_pcalloc(pool, len);
|
|
|
485 if (addr->sockaddr == NULL) {
|
|
|
486 return NGX_ERROR;
|
|
326
|
487 }
|
|
|
488
|
|
540
|
489 addr->sockaddr->sa_family = (u_char) family;
|
|
|
490 addr->socklen = len;
|
|
|
491
|
|
|
492 switch (family) {
|
|
326
|
493
|
|
540
|
494 #if (NGX_HAVE_INET6)
|
|
|
495 case AF_INET6:
|
|
|
496 sin6 = (struct sockaddr_in6 *) addr->sockaddr;
|
|
|
497 ngx_memcpy(sin6->sin6_addr.s6_addr, inaddr6.s6_addr, 16);
|
|
|
498 break;
|
|
|
499 #endif
|
|
|
500
|
|
|
501 default: /* AF_INET */
|
|
|
502 sin = (struct sockaddr_in *) addr->sockaddr;
|
|
|
503 sin->sin_addr.s_addr = inaddr;
|
|
|
504 break;
|
|
|
505 }
|
|
|
506
|
|
|
507 return NGX_OK;
|
|
0
|
508 }
|
|
|
509
|
|
|
510
|
|
200
|
511 ngx_int_t
|
|
340
|
512 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
513 {
|
|
400
|
514 u_char *p;
|
|
200
|
515
|
|
|
516 p = u->url.data;
|
|
|
517
|
|
286
|
518 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
|
|
400
|
519 return ngx_parse_unix_domain_url(pool, u);
|
|
200
|
520 }
|
|
|
521
|
|
|
522 if ((p[0] == ':' || p[0] == '/') && !u->listen) {
|
|
|
523 u->err = "invalid host";
|
|
|
524 return NGX_ERROR;
|
|
|
525 }
|
|
|
526
|
|
448
|
527 if (p[0] == '[') {
|
|
|
528 return ngx_parse_inet6_url(pool, u);
|
|
|
529 }
|
|
|
530
|
|
400
|
531 return ngx_parse_inet_url(pool, u);
|
|
|
532 }
|
|
266
|
533
|
|
200
|
534
|
|
400
|
535 static ngx_int_t
|
|
|
536 ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
537 {
|
|
|
538 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
539 u_char *path, *uri, *last;
|
|
|
540 size_t len;
|
|
|
541 struct sockaddr_un *saun;
|
|
200
|
542
|
|
400
|
543 len = u->url.len;
|
|
|
544 path = u->url.data;
|
|
200
|
545
|
|
400
|
546 path += 5;
|
|
|
547 len -= 5;
|
|
|
548
|
|
|
549 if (u->uri_part) {
|
|
200
|
550
|
|
400
|
551 last = path + len;
|
|
|
552 uri = ngx_strlchr(path, last, ':');
|
|
200
|
553
|
|
400
|
554 if (uri) {
|
|
|
555 len = uri - path;
|
|
|
556 uri++;
|
|
|
557 u->uri.len = last - uri;
|
|
|
558 u->uri.data = uri;
|
|
200
|
559 }
|
|
|
560 }
|
|
|
561
|
|
400
|
562 if (len == 0) {
|
|
|
563 u->err = "no path in the unix domain socket";
|
|
|
564 return NGX_ERROR;
|
|
|
565 }
|
|
|
566
|
|
|
567 u->host.len = len++;
|
|
|
568 u->host.data = path;
|
|
|
569
|
|
|
570 if (len > sizeof(saun->sun_path)) {
|
|
|
571 u->err = "too long path in the unix domain socket";
|
|
|
572 return NGX_ERROR;
|
|
|
573 }
|
|
200
|
574
|
|
448
|
575 u->socklen = sizeof(struct sockaddr_un);
|
|
|
576 saun = (struct sockaddr_un *) &u->sockaddr;
|
|
|
577 saun->sun_family = AF_UNIX;
|
|
|
578 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
579
|
|
540
|
580 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
400
|
581 if (u->addrs == NULL) {
|
|
|
582 return NGX_ERROR;
|
|
|
583 }
|
|
|
584
|
|
|
585 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
|
|
|
586 if (saun == NULL) {
|
|
|
587 return NGX_ERROR;
|
|
|
588 }
|
|
|
589
|
|
448
|
590 u->family = AF_UNIX;
|
|
400
|
591 u->naddrs = 1;
|
|
|
592
|
|
|
593 saun->sun_family = AF_UNIX;
|
|
|
594 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
595
|
|
|
596 u->addrs[0].sockaddr = (struct sockaddr *) saun;
|
|
|
597 u->addrs[0].socklen = sizeof(struct sockaddr_un);
|
|
|
598 u->addrs[0].name.len = len + 4;
|
|
|
599 u->addrs[0].name.data = u->url.data;
|
|
200
|
600
|
|
400
|
601 return NGX_OK;
|
|
|
602
|
|
|
603 #else
|
|
|
604
|
|
|
605 u->err = "the unix domain sockets are not supported on this platform";
|
|
|
606
|
|
|
607 return NGX_ERROR;
|
|
|
608
|
|
|
609 #endif
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 static ngx_int_t
|
|
|
614 ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
615 {
|
|
448
|
616 u_char *p, *host, *port, *last, *uri, *args;
|
|
|
617 size_t len;
|
|
|
618 ngx_int_t n;
|
|
|
619 struct hostent *h;
|
|
|
620 struct sockaddr_in *sin;
|
|
|
621
|
|
|
622 u->socklen = sizeof(struct sockaddr_in);
|
|
|
623 sin = (struct sockaddr_in *) &u->sockaddr;
|
|
|
624 sin->sin_family = AF_INET;
|
|
400
|
625
|
|
|
626 u->family = AF_INET;
|
|
|
627
|
|
|
628 host = u->url.data;
|
|
|
629
|
|
|
630 last = host + u->url.len;
|
|
|
631
|
|
|
632 port = ngx_strlchr(host, last, ':');
|
|
|
633
|
|
416
|
634 uri = ngx_strlchr(host, last, '/');
|
|
|
635
|
|
|
636 args = ngx_strlchr(host, last, '?');
|
|
|
637
|
|
|
638 if (args) {
|
|
|
639 if (uri == NULL) {
|
|
|
640 uri = args;
|
|
|
641
|
|
|
642 } else if (args < uri) {
|
|
|
643 uri = args;
|
|
|
644 }
|
|
|
645 }
|
|
400
|
646
|
|
|
647 if (uri) {
|
|
|
648 if (u->listen || !u->uri_part) {
|
|
|
649 u->err = "invalid host";
|
|
|
650 return NGX_ERROR;
|
|
200
|
651 }
|
|
|
652
|
|
400
|
653 u->uri.len = last - uri;
|
|
|
654 u->uri.data = uri;
|
|
|
655
|
|
|
656 last = uri;
|
|
416
|
657
|
|
|
658 if (uri < port) {
|
|
|
659 port = NULL;
|
|
418
|
660 }
|
|
400
|
661 }
|
|
200
|
662
|
|
400
|
663 if (port) {
|
|
|
664 port++;
|
|
|
665
|
|
|
666 len = last - port;
|
|
|
667
|
|
|
668 if (len == 0) {
|
|
200
|
669 u->err = "invalid port";
|
|
|
670 return NGX_ERROR;
|
|
|
671 }
|
|
|
672
|
|
400
|
673 n = ngx_atoi(port, len);
|
|
200
|
674
|
|
646
|
675 if (n < 1 || n > 65535) {
|
|
400
|
676 u->err = "invalid port";
|
|
|
677 return NGX_ERROR;
|
|
252
|
678 }
|
|
|
679
|
|
400
|
680 u->port = (in_port_t) n;
|
|
448
|
681 sin->sin_port = htons((in_port_t) n);
|
|
252
|
682
|
|
400
|
683 u->port_text.len = len;
|
|
|
684 u->port_text.data = port;
|
|
|
685
|
|
|
686 last = port - 1;
|
|
252
|
687
|
|
400
|
688 } else {
|
|
|
689 if (uri == NULL) {
|
|
252
|
690
|
|
400
|
691 if (u->listen) {
|
|
252
|
692
|
|
400
|
693 /* test value as port only */
|
|
|
694
|
|
|
695 n = ngx_atoi(host, last - host);
|
|
252
|
696
|
|
400
|
697 if (n != NGX_ERROR) {
|
|
|
698
|
|
646
|
699 if (n < 1 || n > 65535) {
|
|
400
|
700 u->err = "invalid port";
|
|
|
701 return NGX_ERROR;
|
|
|
702 }
|
|
252
|
703
|
|
400
|
704 u->port = (in_port_t) n;
|
|
448
|
705 sin->sin_port = htons((in_port_t) n);
|
|
400
|
706
|
|
|
707 u->port_text.len = last - host;
|
|
|
708 u->port_text.data = host;
|
|
|
709
|
|
448
|
710 u->wildcard = 1;
|
|
|
711
|
|
400
|
712 return NGX_OK;
|
|
252
|
713 }
|
|
|
714 }
|
|
|
715 }
|
|
|
716
|
|
400
|
717 u->no_port = 1;
|
|
200
|
718 }
|
|
|
719
|
|
400
|
720 len = last - host;
|
|
|
721
|
|
|
722 if (len == 0) {
|
|
200
|
723 u->err = "no host";
|
|
|
724 return NGX_ERROR;
|
|
|
725 }
|
|
|
726
|
|
400
|
727 if (len == 1 && *host == '*') {
|
|
|
728 len = 0;
|
|
|
729 }
|
|
|
730
|
|
|
731 u->host.len = len;
|
|
|
732 u->host.data = host;
|
|
|
733
|
|
260
|
734 if (u->no_resolve) {
|
|
|
735 return NGX_OK;
|
|
200
|
736 }
|
|
|
737
|
|
540
|
738 if (len) {
|
|
|
739 sin->sin_addr.s_addr = ngx_inet_addr(host, len);
|
|
400
|
740
|
|
448
|
741 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
540
|
742 p = ngx_alloc(++len, pool->log);
|
|
|
743 if (p == NULL) {
|
|
|
744 return NGX_ERROR;
|
|
|
745 }
|
|
|
746
|
|
|
747 (void) ngx_cpystrn(p, host, len);
|
|
|
748
|
|
400
|
749 h = gethostbyname((const char *) p);
|
|
|
750
|
|
540
|
751 ngx_free(p);
|
|
|
752
|
|
400
|
753 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
|
754 u->err = "host not found";
|
|
|
755 return NGX_ERROR;
|
|
|
756 }
|
|
|
757
|
|
448
|
758 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[0]);
|
|
|
759 }
|
|
|
760
|
|
|
761 if (sin->sin_addr.s_addr == INADDR_ANY) {
|
|
|
762 u->wildcard = 1;
|
|
400
|
763 }
|
|
|
764
|
|
|
765 } else {
|
|
448
|
766 sin->sin_addr.s_addr = INADDR_ANY;
|
|
|
767 u->wildcard = 1;
|
|
400
|
768 }
|
|
|
769
|
|
266
|
770 if (u->no_port) {
|
|
|
771 u->port = u->default_port;
|
|
448
|
772 sin->sin_port = htons(u->default_port);
|
|
266
|
773 }
|
|
|
774
|
|
400
|
775 if (u->listen) {
|
|
|
776 return NGX_OK;
|
|
266
|
777 }
|
|
|
778
|
|
340
|
779 if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
|
|
200
|
780 return NGX_ERROR;
|
|
|
781 }
|
|
|
782
|
|
|
783 return NGX_OK;
|
|
|
784 }
|
|
|
785
|
|
|
786
|
|
448
|
787 static ngx_int_t
|
|
|
788 ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
789 {
|
|
|
790 #if (NGX_HAVE_INET6)
|
|
|
791 u_char *p, *host, *port, *last, *uri;
|
|
|
792 size_t len;
|
|
|
793 ngx_int_t n;
|
|
|
794 struct sockaddr_in6 *sin6;
|
|
|
795
|
|
|
796 u->socklen = sizeof(struct sockaddr_in6);
|
|
|
797 sin6 = (struct sockaddr_in6 *) &u->sockaddr;
|
|
|
798 sin6->sin6_family = AF_INET6;
|
|
|
799
|
|
|
800 host = u->url.data + 1;
|
|
|
801
|
|
|
802 last = u->url.data + u->url.len;
|
|
|
803
|
|
|
804 p = ngx_strlchr(host, last, ']');
|
|
|
805
|
|
|
806 if (p == NULL) {
|
|
|
807 u->err = "invalid host";
|
|
|
808 return NGX_ERROR;
|
|
|
809 }
|
|
|
810
|
|
|
811 if (last - p) {
|
|
|
812
|
|
|
813 port = p + 1;
|
|
|
814
|
|
|
815 uri = ngx_strlchr(port, last, '/');
|
|
|
816
|
|
|
817 if (uri) {
|
|
|
818 if (u->listen || !u->uri_part) {
|
|
|
819 u->err = "invalid host";
|
|
|
820 return NGX_ERROR;
|
|
|
821 }
|
|
|
822
|
|
|
823 u->uri.len = last - uri;
|
|
|
824 u->uri.data = uri;
|
|
|
825 }
|
|
|
826
|
|
|
827 if (*port == ':') {
|
|
|
828 port++;
|
|
|
829
|
|
|
830 len = last - port;
|
|
|
831
|
|
|
832 if (len == 0) {
|
|
|
833 u->err = "invalid port";
|
|
|
834 return NGX_ERROR;
|
|
|
835 }
|
|
|
836
|
|
|
837 n = ngx_atoi(port, len);
|
|
|
838
|
|
646
|
839 if (n < 1 || n > 65535) {
|
|
448
|
840 u->err = "invalid port";
|
|
|
841 return NGX_ERROR;
|
|
|
842 }
|
|
|
843
|
|
|
844 u->port = (in_port_t) n;
|
|
|
845 sin6->sin6_port = htons((in_port_t) n);
|
|
|
846
|
|
|
847 u->port_text.len = len;
|
|
|
848 u->port_text.data = port;
|
|
|
849
|
|
|
850 } else {
|
|
|
851 u->no_port = 1;
|
|
|
852 }
|
|
|
853 }
|
|
|
854
|
|
|
855 len = p - host;
|
|
|
856
|
|
|
857 if (len == 0) {
|
|
|
858 u->err = "no host";
|
|
|
859 return NGX_ERROR;
|
|
|
860 }
|
|
|
861
|
|
540
|
862 u->host.len = len;
|
|
448
|
863 u->host.data = host;
|
|
|
864
|
|
540
|
865 if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) {
|
|
448
|
866 u->err = "invalid IPv6 address";
|
|
|
867 return NGX_ERROR;
|
|
|
868 }
|
|
|
869
|
|
|
870 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
|
871 u->wildcard = 1;
|
|
|
872 }
|
|
|
873
|
|
|
874 u->family = AF_INET6;
|
|
|
875
|
|
|
876 if (u->no_resolve) {
|
|
|
877 return NGX_OK;
|
|
|
878 }
|
|
|
879
|
|
|
880 if (u->no_port) {
|
|
|
881 u->port = u->default_port;
|
|
|
882 sin6->sin6_port = htons(u->default_port);
|
|
|
883 }
|
|
|
884
|
|
|
885 return NGX_OK;
|
|
|
886
|
|
|
887 #else
|
|
|
888
|
|
|
889 u->err = "the INET6 sockets are not supported on this platform";
|
|
|
890
|
|
|
891 return NGX_ERROR;
|
|
|
892
|
|
|
893 #endif
|
|
|
894 }
|
|
|
895
|
|
|
896
|
|
260
|
897 ngx_int_t
|
|
340
|
898 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
899 {
|
|
266
|
900 u_char *p, *host;
|
|
200
|
901 size_t len;
|
|
448
|
902 in_port_t port;
|
|
200
|
903 in_addr_t in_addr;
|
|
|
904 ngx_uint_t i;
|
|
|
905 struct hostent *h;
|
|
|
906 struct sockaddr_in *sin;
|
|
|
907
|
|
|
908 /* AF_INET only */
|
|
|
909
|
|
450
|
910 port = htons(u->port);
|
|
448
|
911
|
|
540
|
912 in_addr = ngx_inet_addr(u->host.data, u->host.len);
|
|
200
|
913
|
|
|
914 if (in_addr == INADDR_NONE) {
|
|
540
|
915 host = ngx_alloc(u->host.len + 1, pool->log);
|
|
|
916 if (host == NULL) {
|
|
|
917 return NGX_ERROR;
|
|
|
918 }
|
|
|
919
|
|
|
920 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
|
|
|
921
|
|
200
|
922 h = gethostbyname((char *) host);
|
|
|
923
|
|
340
|
924 ngx_free(host);
|
|
|
925
|
|
200
|
926 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
260
|
927 u->err = "host not found";
|
|
|
928 return NGX_ERROR;
|
|
200
|
929 }
|
|
|
930
|
|
260
|
931 if (u->one_addr == 0) {
|
|
|
932 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
|
933
|
|
|
934 } else {
|
|
|
935 i = 1;
|
|
|
936 }
|
|
200
|
937
|
|
|
938 /* MP: ngx_shared_palloc() */
|
|
|
939
|
|
540
|
940 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));
|
|
260
|
941 if (u->addrs == NULL) {
|
|
|
942 return NGX_ERROR;
|
|
200
|
943 }
|
|
|
944
|
|
260
|
945 u->naddrs = i;
|
|
200
|
946
|
|
614
|
947 for (i = 0; i < u->naddrs; i++) {
|
|
200
|
948
|
|
340
|
949 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
950 if (sin == NULL) {
|
|
260
|
951 return NGX_ERROR;
|
|
200
|
952 }
|
|
|
953
|
|
|
954 sin->sin_family = AF_INET;
|
|
448
|
955 sin->sin_port = port;
|
|
200
|
956 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
|
|
957
|
|
260
|
958 u->addrs[i].sockaddr = (struct sockaddr *) sin;
|
|
|
959 u->addrs[i].socklen = sizeof(struct sockaddr_in);
|
|
200
|
960
|
|
448
|
961 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
|
|
200
|
962
|
|
382
|
963 p = ngx_pnalloc(pool, len);
|
|
266
|
964 if (p == NULL) {
|
|
260
|
965 return NGX_ERROR;
|
|
200
|
966 }
|
|
|
967
|
|
448
|
968 len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1);
|
|
200
|
969
|
|
448
|
970 u->addrs[i].name.len = len;
|
|
266
|
971 u->addrs[i].name.data = p;
|
|
200
|
972 }
|
|
|
973
|
|
|
974 } else {
|
|
|
975
|
|
|
976 /* MP: ngx_shared_palloc() */
|
|
|
977
|
|
540
|
978 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
260
|
979 if (u->addrs == NULL) {
|
|
|
980 return NGX_ERROR;
|
|
200
|
981 }
|
|
|
982
|
|
340
|
983 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
984 if (sin == NULL) {
|
|
260
|
985 return NGX_ERROR;
|
|
200
|
986 }
|
|
|
987
|
|
260
|
988 u->naddrs = 1;
|
|
200
|
989
|
|
|
990 sin->sin_family = AF_INET;
|
|
448
|
991 sin->sin_port = port;
|
|
200
|
992 sin->sin_addr.s_addr = in_addr;
|
|
|
993
|
|
260
|
994 u->addrs[0].sockaddr = (struct sockaddr *) sin;
|
|
|
995 u->addrs[0].socklen = sizeof(struct sockaddr_in);
|
|
200
|
996
|
|
448
|
997 p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
|
|
266
|
998 if (p == NULL) {
|
|
260
|
999 return NGX_ERROR;
|
|
200
|
1000 }
|
|
|
1001
|
|
448
|
1002 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
|
|
|
1003 &u->host, ntohs(port)) - p;
|
|
266
|
1004 u->addrs[0].name.data = p;
|
|
200
|
1005 }
|
|
|
1006
|
|
260
|
1007 return NGX_OK;
|
|
200
|
1008 }
|
