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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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670
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47 if (n == 3 && octet < 256) {
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348
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48 addr = (addr << 8) + octet;
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49 return htonl(addr);
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50 }
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51
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52 return INADDR_NONE;
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53 }
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54
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55
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540
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56 #if (NGX_HAVE_INET6)
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57
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58 ngx_int_t
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59 ngx_inet6_addr(u_char *p, size_t len, u_char *addr)
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60 {
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61 u_char c, *zero, *digit, *s, *d;
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62 size_t len4;
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63 ngx_uint_t n, nibbles, word;
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64
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65 if (len == 0) {
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66 return NGX_ERROR;
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67 }
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68
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69 zero = NULL;
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70 digit = NULL;
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71 len4 = 0;
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72 nibbles = 0;
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73 word = 0;
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74 n = 8;
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75
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76 if (p[0] == ':') {
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77 p++;
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78 len--;
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79 }
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80
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81 for (/* void */; len; len--) {
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82 c = *p++;
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83
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84 if (c == ':') {
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85 if (nibbles) {
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86 digit = p;
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87 len4 = len;
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88 *addr++ = (u_char) (word >> 8);
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89 *addr++ = (u_char) (word & 0xff);
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90
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91 if (--n) {
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92 nibbles = 0;
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93 word = 0;
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94 continue;
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95 }
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96
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97 } else {
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98 if (zero == NULL) {
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99 digit = p;
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100 len4 = len;
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101 zero = addr;
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102 continue;
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103 }
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104 }
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105
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106 return NGX_ERROR;
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107 }
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108
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109 if (c == '.' && nibbles) {
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622
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110 if (n < 2 || digit == NULL) {
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540
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111 return NGX_ERROR;
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112 }
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113
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114 word = ngx_inet_addr(digit, len4 - 1);
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115 if (word == INADDR_NONE) {
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116 return NGX_ERROR;
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117 }
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118
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119 word = ntohl(word);
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120 *addr++ = (u_char) ((word >> 24) & 0xff);
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121 *addr++ = (u_char) ((word >> 16) & 0xff);
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122 n--;
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123 break;
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124 }
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125
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126 if (++nibbles > 4) {
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127 return NGX_ERROR;
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128 }
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129
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130 if (c >= '0' && c <= '9') {
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131 word = word * 16 + (c - '0');
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132 continue;
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133 }
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134
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135 c |= 0x20;
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136
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137 if (c >= 'a' && c <= 'f') {
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138 word = word * 16 + (c - 'a') + 10;
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139 continue;
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140 }
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141
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142 return NGX_ERROR;
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143 }
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144
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145 if (nibbles == 0 && zero == NULL) {
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146 return NGX_ERROR;
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147 }
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148
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149 *addr++ = (u_char) (word >> 8);
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150 *addr++ = (u_char) (word & 0xff);
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151
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152 if (--n) {
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153 if (zero) {
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154 n *= 2;
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155 s = addr - 1;
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156 d = s + n;
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157 while (s >= zero) {
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158 *d-- = *s--;
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159 }
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160 ngx_memzero(zero, n);
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161 return NGX_OK;
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162 }
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163
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164 } else {
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165 if (zero == NULL) {
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166 return NGX_OK;
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167 }
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168 }
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169
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170 return NGX_ERROR;
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171 }
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172
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173 #endif
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174
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175
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58
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176 size_t
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448
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177 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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178 {
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448
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179 u_char *p;
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180 struct sockaddr_in *sin;
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181 #if (NGX_HAVE_INET6)
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182 size_t n;
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183 struct sockaddr_in6 *sin6;
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184 #endif
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538
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185 #if (NGX_HAVE_UNIX_DOMAIN)
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186 struct sockaddr_un *saun;
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187 #endif
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0
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188
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448
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189 switch (sa->sa_family) {
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190
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191 case AF_INET:
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0
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192
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400
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193 sin = (struct sockaddr_in *) sa;
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194 p = (u_char *) &sin->sin_addr;
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0
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195
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448
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196 if (port) {
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197 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d",
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198 p[0], p[1], p[2], p[3], ntohs(sin->sin_port));
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199 } else {
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200 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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201 p[0], p[1], p[2], p[3]);
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202 }
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203
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204 return (p - text);
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205
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206 #if (NGX_HAVE_INET6)
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207
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208 case AF_INET6:
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209
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210 sin6 = (struct sockaddr_in6 *) sa;
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211
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212 n = 0;
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213
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214 if (port) {
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215 text[n++] = '[';
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216 }
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217
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540
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218 n = ngx_inet6_ntop(sin6->sin6_addr.s6_addr, &text[n], len);
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448
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219
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220 if (port) {
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221 n = ngx_sprintf(&text[1 + n], "]:%d",
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222 ntohs(sin6->sin6_port)) - text;
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223 }
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224
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225 return n;
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226 #endif
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227
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538
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228 #if (NGX_HAVE_UNIX_DOMAIN)
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229
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230 case AF_UNIX:
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231 saun = (struct sockaddr_un *) sa;
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232
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233 /* we do not include trailing zero in address length */
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234
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235 return ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path) - text - 1;
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236
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237 #endif
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238
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448
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239 default:
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240 return 0;
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0
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241 }
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242 }
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243
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362
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244
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58
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245 size_t
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246 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
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0
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247 {
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400
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248 u_char *p;
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0
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249
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448
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250 switch (family) {
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0
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251
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448
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252 case AF_INET:
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253
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254 p = addr;
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0
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255
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400
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256 return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
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257 p[0], p[1], p[2], p[3])
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258 - text;
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448
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259
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260 #if (NGX_HAVE_INET6)
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261
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262 case AF_INET6:
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263 return ngx_inet6_ntop(addr, text, len);
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264
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265 #endif
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266
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267 default:
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268 return 0;
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269 }
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270 }
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271
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272
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273 #if (NGX_HAVE_INET6)
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274
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540
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275 size_t
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448
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276 ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
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277 {
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278 u_char *dst;
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279 size_t max, n;
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280 ngx_uint_t i, zero, last;
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281
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282 if (len < NGX_INET6_ADDRSTRLEN) {
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283 return 0;
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0
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284 }
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285
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448
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286 zero = (ngx_uint_t) -1;
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287 last = (ngx_uint_t) -1;
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288 max = 1;
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289 n = 0;
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290
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291 for (i = 0; i < 16; i += 2) {
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292
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293 if (p[i] || p[i + 1]) {
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294
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295 if (max < n) {
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296 zero = last;
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297 max = n;
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298 }
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299
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300 n = 0;
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301 continue;
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302 }
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303
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304 if (n++ == 0) {
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305 last = i;
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306 }
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307 }
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308
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309 if (max < n) {
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310 zero = last;
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311 max = n;
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312 }
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313
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314 dst = text;
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315 n = 16;
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316
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317 if (zero == 0) {
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318
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319 if ((max == 5 && p[10] == 0xff && p[11] == 0xff)
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320 || (max == 6)
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321 || (max == 7 && p[14] != 0 && p[15] != 1))
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322 {
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323 n = 12;
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324 }
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325
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326 *dst++ = ':';
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327 }
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328
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329 for (i = 0; i < n; i += 2) {
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330
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331 if (i == zero) {
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332 *dst++ = ':';
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333 i += (max - 1) * 2;
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334 continue;
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335 }
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336
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337 dst = ngx_sprintf(dst, "%uxi", p[i] * 256 + p[i + 1]);
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338
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339 if (i < 14) {
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340 *dst++ = ':';
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341 }
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342 }
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343
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344 if (n == 12) {
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345 dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]);
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346 }
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347
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348 return dst - text;
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362
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349 }
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350
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448
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351 #endif
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352
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362
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353
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58
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354 ngx_int_t
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454
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355 ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr)
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0
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356 {
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540
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357 u_char *addr, *mask, *last;
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358 size_t len;
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359 ngx_int_t shift;
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360 #if (NGX_HAVE_INET6)
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361 ngx_int_t rc;
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362 ngx_uint_t s, i;
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363 #endif
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0
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364
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400
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365 addr = text->data;
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366 last = addr + text->len;
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0
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367
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400
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368 mask = ngx_strlchr(addr, last, '/');
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540
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369 len = (mask ? mask : last) - addr;
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0
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370
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540
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371 cidr->u.in.addr = ngx_inet_addr(addr, len);
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372
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373 if (cidr->u.in.addr != INADDR_NONE) {
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374 cidr->family = AF_INET;
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375
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376 if (mask == NULL) {
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377 cidr->u.in.mask = 0xffffffff;
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378 return NGX_OK;
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379 }
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400
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380
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540
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381 #if (NGX_HAVE_INET6)
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382 } else if (ngx_inet6_addr(addr, len, cidr->u.in6.addr.s6_addr) == NGX_OK) {
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383 cidr->family = AF_INET6;
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384
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385 if (mask == NULL) {
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386 ngx_memset(cidr->u.in6.mask.s6_addr, 0xff, 16);
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387 return NGX_OK;
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388 }
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389
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390 #endif
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391 } else {
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0
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392 return NGX_ERROR;
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393 }
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394
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400
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395 mask++;
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396
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397 shift = ngx_atoi(mask, last - mask);
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398 if (shift == NGX_ERROR) {
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0
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399 return NGX_ERROR;
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400 }
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401
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540
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402 switch (cidr->family) {
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454
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403
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540
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404 #if (NGX_HAVE_INET6)
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405 case AF_INET6:
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670
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406 if (shift > 128) {
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407 return NGX_ERROR;
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408 }
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409
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540
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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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670
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419 mask[i] = (u_char) (0xffu << (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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670
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431 if (shift > 32) {
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432 return NGX_ERROR;
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433 }
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540
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434
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|
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435 if (shift) {
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670
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436 cidr->u.in.mask = htonl((uint32_t) (0xffffffffu << (32 - shift)));
|
|
400
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437
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540
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438 } else {
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439 /* x86 compilers use a shl instruction that shifts by modulo 32 */
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440 cidr->u.in.mask = 0;
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441 }
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442
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443 if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) {
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400
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444 return NGX_OK;
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|
|
445 }
|
|
|
446
|
|
540
|
447 cidr->u.in.addr &= cidr->u.in.mask;
|
|
|
448
|
|
400
|
449 return NGX_DONE;
|
|
0
|
450 }
|
|
540
|
451 }
|
|
|
452
|
|
|
453
|
|
|
454 ngx_int_t
|
|
|
455 ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len)
|
|
|
456 {
|
|
|
457 in_addr_t inaddr;
|
|
|
458 ngx_uint_t family;
|
|
|
459 struct sockaddr_in *sin;
|
|
|
460 #if (NGX_HAVE_INET6)
|
|
|
461 struct in6_addr inaddr6;
|
|
|
462 struct sockaddr_in6 *sin6;
|
|
|
463
|
|
|
464 /*
|
|
670
|
465 * prevent MSVC8 warning:
|
|
540
|
466 * potentially uninitialized local variable 'inaddr6' used
|
|
|
467 */
|
|
|
468 ngx_memzero(inaddr6.s6_addr, sizeof(struct in6_addr));
|
|
|
469 #endif
|
|
|
470
|
|
|
471 inaddr = ngx_inet_addr(text, len);
|
|
|
472
|
|
|
473 if (inaddr != INADDR_NONE) {
|
|
|
474 family = AF_INET;
|
|
|
475 len = sizeof(struct sockaddr_in);
|
|
|
476
|
|
|
477 #if (NGX_HAVE_INET6)
|
|
|
478 } else if (ngx_inet6_addr(text, len, inaddr6.s6_addr) == NGX_OK) {
|
|
|
479 family = AF_INET6;
|
|
|
480 len = sizeof(struct sockaddr_in6);
|
|
|
481
|
|
|
482 #endif
|
|
|
483 } else {
|
|
|
484 return NGX_DECLINED;
|
|
|
485 }
|
|
0
|
486
|
|
540
|
487 addr->sockaddr = ngx_pcalloc(pool, len);
|
|
|
488 if (addr->sockaddr == NULL) {
|
|
|
489 return NGX_ERROR;
|
|
326
|
490 }
|
|
|
491
|
|
540
|
492 addr->sockaddr->sa_family = (u_char) family;
|
|
|
493 addr->socklen = len;
|
|
|
494
|
|
|
495 switch (family) {
|
|
326
|
496
|
|
540
|
497 #if (NGX_HAVE_INET6)
|
|
|
498 case AF_INET6:
|
|
|
499 sin6 = (struct sockaddr_in6 *) addr->sockaddr;
|
|
|
500 ngx_memcpy(sin6->sin6_addr.s6_addr, inaddr6.s6_addr, 16);
|
|
|
501 break;
|
|
|
502 #endif
|
|
|
503
|
|
|
504 default: /* AF_INET */
|
|
|
505 sin = (struct sockaddr_in *) addr->sockaddr;
|
|
|
506 sin->sin_addr.s_addr = inaddr;
|
|
|
507 break;
|
|
|
508 }
|
|
|
509
|
|
|
510 return NGX_OK;
|
|
0
|
511 }
|
|
|
512
|
|
|
513
|
|
200
|
514 ngx_int_t
|
|
340
|
515 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
516 {
|
|
400
|
517 u_char *p;
|
|
200
|
518
|
|
|
519 p = u->url.data;
|
|
|
520
|
|
286
|
521 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
|
|
400
|
522 return ngx_parse_unix_domain_url(pool, u);
|
|
200
|
523 }
|
|
|
524
|
|
|
525 if ((p[0] == ':' || p[0] == '/') && !u->listen) {
|
|
|
526 u->err = "invalid host";
|
|
|
527 return NGX_ERROR;
|
|
|
528 }
|
|
|
529
|
|
448
|
530 if (p[0] == '[') {
|
|
|
531 return ngx_parse_inet6_url(pool, u);
|
|
|
532 }
|
|
|
533
|
|
400
|
534 return ngx_parse_inet_url(pool, u);
|
|
|
535 }
|
|
266
|
536
|
|
200
|
537
|
|
400
|
538 static ngx_int_t
|
|
|
539 ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
540 {
|
|
|
541 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
542 u_char *path, *uri, *last;
|
|
|
543 size_t len;
|
|
|
544 struct sockaddr_un *saun;
|
|
200
|
545
|
|
400
|
546 len = u->url.len;
|
|
|
547 path = u->url.data;
|
|
200
|
548
|
|
400
|
549 path += 5;
|
|
|
550 len -= 5;
|
|
|
551
|
|
|
552 if (u->uri_part) {
|
|
200
|
553
|
|
400
|
554 last = path + len;
|
|
|
555 uri = ngx_strlchr(path, last, ':');
|
|
200
|
556
|
|
400
|
557 if (uri) {
|
|
|
558 len = uri - path;
|
|
|
559 uri++;
|
|
|
560 u->uri.len = last - uri;
|
|
|
561 u->uri.data = uri;
|
|
200
|
562 }
|
|
|
563 }
|
|
|
564
|
|
400
|
565 if (len == 0) {
|
|
|
566 u->err = "no path in the unix domain socket";
|
|
|
567 return NGX_ERROR;
|
|
|
568 }
|
|
|
569
|
|
|
570 u->host.len = len++;
|
|
|
571 u->host.data = path;
|
|
|
572
|
|
|
573 if (len > sizeof(saun->sun_path)) {
|
|
|
574 u->err = "too long path in the unix domain socket";
|
|
|
575 return NGX_ERROR;
|
|
|
576 }
|
|
200
|
577
|
|
448
|
578 u->socklen = sizeof(struct sockaddr_un);
|
|
|
579 saun = (struct sockaddr_un *) &u->sockaddr;
|
|
|
580 saun->sun_family = AF_UNIX;
|
|
|
581 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
582
|
|
540
|
583 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
400
|
584 if (u->addrs == NULL) {
|
|
|
585 return NGX_ERROR;
|
|
|
586 }
|
|
|
587
|
|
|
588 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
|
|
|
589 if (saun == NULL) {
|
|
|
590 return NGX_ERROR;
|
|
|
591 }
|
|
|
592
|
|
448
|
593 u->family = AF_UNIX;
|
|
400
|
594 u->naddrs = 1;
|
|
|
595
|
|
|
596 saun->sun_family = AF_UNIX;
|
|
|
597 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
598
|
|
|
599 u->addrs[0].sockaddr = (struct sockaddr *) saun;
|
|
|
600 u->addrs[0].socklen = sizeof(struct sockaddr_un);
|
|
|
601 u->addrs[0].name.len = len + 4;
|
|
|
602 u->addrs[0].name.data = u->url.data;
|
|
200
|
603
|
|
400
|
604 return NGX_OK;
|
|
|
605
|
|
|
606 #else
|
|
|
607
|
|
|
608 u->err = "the unix domain sockets are not supported on this platform";
|
|
|
609
|
|
|
610 return NGX_ERROR;
|
|
|
611
|
|
|
612 #endif
|
|
|
613 }
|
|
|
614
|
|
|
615
|
|
|
616 static ngx_int_t
|
|
|
617 ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
618 {
|
|
448
|
619 u_char *p, *host, *port, *last, *uri, *args;
|
|
|
620 size_t len;
|
|
|
621 ngx_int_t n;
|
|
|
622 struct hostent *h;
|
|
|
623 struct sockaddr_in *sin;
|
|
|
624
|
|
|
625 u->socklen = sizeof(struct sockaddr_in);
|
|
|
626 sin = (struct sockaddr_in *) &u->sockaddr;
|
|
|
627 sin->sin_family = AF_INET;
|
|
400
|
628
|
|
|
629 u->family = AF_INET;
|
|
|
630
|
|
|
631 host = u->url.data;
|
|
|
632
|
|
|
633 last = host + u->url.len;
|
|
|
634
|
|
|
635 port = ngx_strlchr(host, last, ':');
|
|
|
636
|
|
416
|
637 uri = ngx_strlchr(host, last, '/');
|
|
|
638
|
|
|
639 args = ngx_strlchr(host, last, '?');
|
|
|
640
|
|
|
641 if (args) {
|
|
|
642 if (uri == NULL) {
|
|
|
643 uri = args;
|
|
|
644
|
|
|
645 } else if (args < uri) {
|
|
|
646 uri = args;
|
|
|
647 }
|
|
|
648 }
|
|
400
|
649
|
|
|
650 if (uri) {
|
|
|
651 if (u->listen || !u->uri_part) {
|
|
|
652 u->err = "invalid host";
|
|
|
653 return NGX_ERROR;
|
|
200
|
654 }
|
|
|
655
|
|
400
|
656 u->uri.len = last - uri;
|
|
|
657 u->uri.data = uri;
|
|
|
658
|
|
|
659 last = uri;
|
|
416
|
660
|
|
|
661 if (uri < port) {
|
|
|
662 port = NULL;
|
|
418
|
663 }
|
|
400
|
664 }
|
|
200
|
665
|
|
400
|
666 if (port) {
|
|
|
667 port++;
|
|
|
668
|
|
|
669 len = last - port;
|
|
|
670
|
|
|
671 if (len == 0) {
|
|
200
|
672 u->err = "invalid port";
|
|
|
673 return NGX_ERROR;
|
|
|
674 }
|
|
|
675
|
|
400
|
676 n = ngx_atoi(port, len);
|
|
200
|
677
|
|
646
|
678 if (n < 1 || n > 65535) {
|
|
400
|
679 u->err = "invalid port";
|
|
|
680 return NGX_ERROR;
|
|
252
|
681 }
|
|
|
682
|
|
400
|
683 u->port = (in_port_t) n;
|
|
448
|
684 sin->sin_port = htons((in_port_t) n);
|
|
252
|
685
|
|
400
|
686 u->port_text.len = len;
|
|
|
687 u->port_text.data = port;
|
|
|
688
|
|
|
689 last = port - 1;
|
|
252
|
690
|
|
400
|
691 } else {
|
|
|
692 if (uri == NULL) {
|
|
252
|
693
|
|
400
|
694 if (u->listen) {
|
|
252
|
695
|
|
400
|
696 /* test value as port only */
|
|
|
697
|
|
|
698 n = ngx_atoi(host, last - host);
|
|
252
|
699
|
|
400
|
700 if (n != NGX_ERROR) {
|
|
|
701
|
|
646
|
702 if (n < 1 || n > 65535) {
|
|
400
|
703 u->err = "invalid port";
|
|
|
704 return NGX_ERROR;
|
|
|
705 }
|
|
252
|
706
|
|
400
|
707 u->port = (in_port_t) n;
|
|
448
|
708 sin->sin_port = htons((in_port_t) n);
|
|
400
|
709
|
|
|
710 u->port_text.len = last - host;
|
|
|
711 u->port_text.data = host;
|
|
|
712
|
|
448
|
713 u->wildcard = 1;
|
|
|
714
|
|
400
|
715 return NGX_OK;
|
|
252
|
716 }
|
|
|
717 }
|
|
|
718 }
|
|
|
719
|
|
400
|
720 u->no_port = 1;
|
|
200
|
721 }
|
|
|
722
|
|
400
|
723 len = last - host;
|
|
|
724
|
|
|
725 if (len == 0) {
|
|
200
|
726 u->err = "no host";
|
|
|
727 return NGX_ERROR;
|
|
|
728 }
|
|
|
729
|
|
400
|
730 if (len == 1 && *host == '*') {
|
|
|
731 len = 0;
|
|
|
732 }
|
|
|
733
|
|
|
734 u->host.len = len;
|
|
|
735 u->host.data = host;
|
|
|
736
|
|
260
|
737 if (u->no_resolve) {
|
|
|
738 return NGX_OK;
|
|
200
|
739 }
|
|
|
740
|
|
540
|
741 if (len) {
|
|
|
742 sin->sin_addr.s_addr = ngx_inet_addr(host, len);
|
|
400
|
743
|
|
448
|
744 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
540
|
745 p = ngx_alloc(++len, pool->log);
|
|
|
746 if (p == NULL) {
|
|
|
747 return NGX_ERROR;
|
|
|
748 }
|
|
|
749
|
|
|
750 (void) ngx_cpystrn(p, host, len);
|
|
|
751
|
|
400
|
752 h = gethostbyname((const char *) p);
|
|
|
753
|
|
540
|
754 ngx_free(p);
|
|
|
755
|
|
400
|
756 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
|
757 u->err = "host not found";
|
|
|
758 return NGX_ERROR;
|
|
|
759 }
|
|
|
760
|
|
448
|
761 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[0]);
|
|
|
762 }
|
|
|
763
|
|
|
764 if (sin->sin_addr.s_addr == INADDR_ANY) {
|
|
|
765 u->wildcard = 1;
|
|
400
|
766 }
|
|
|
767
|
|
|
768 } else {
|
|
448
|
769 sin->sin_addr.s_addr = INADDR_ANY;
|
|
|
770 u->wildcard = 1;
|
|
400
|
771 }
|
|
|
772
|
|
266
|
773 if (u->no_port) {
|
|
|
774 u->port = u->default_port;
|
|
448
|
775 sin->sin_port = htons(u->default_port);
|
|
266
|
776 }
|
|
|
777
|
|
400
|
778 if (u->listen) {
|
|
|
779 return NGX_OK;
|
|
266
|
780 }
|
|
|
781
|
|
340
|
782 if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
|
|
200
|
783 return NGX_ERROR;
|
|
|
784 }
|
|
|
785
|
|
|
786 return NGX_OK;
|
|
|
787 }
|
|
|
788
|
|
|
789
|
|
448
|
790 static ngx_int_t
|
|
|
791 ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
792 {
|
|
|
793 #if (NGX_HAVE_INET6)
|
|
|
794 u_char *p, *host, *port, *last, *uri;
|
|
|
795 size_t len;
|
|
|
796 ngx_int_t n;
|
|
|
797 struct sockaddr_in6 *sin6;
|
|
|
798
|
|
|
799 u->socklen = sizeof(struct sockaddr_in6);
|
|
|
800 sin6 = (struct sockaddr_in6 *) &u->sockaddr;
|
|
|
801 sin6->sin6_family = AF_INET6;
|
|
|
802
|
|
|
803 host = u->url.data + 1;
|
|
|
804
|
|
|
805 last = u->url.data + u->url.len;
|
|
|
806
|
|
|
807 p = ngx_strlchr(host, last, ']');
|
|
|
808
|
|
|
809 if (p == NULL) {
|
|
|
810 u->err = "invalid host";
|
|
|
811 return NGX_ERROR;
|
|
|
812 }
|
|
|
813
|
|
|
814 if (last - p) {
|
|
|
815
|
|
|
816 port = p + 1;
|
|
|
817
|
|
|
818 uri = ngx_strlchr(port, last, '/');
|
|
|
819
|
|
|
820 if (uri) {
|
|
|
821 if (u->listen || !u->uri_part) {
|
|
|
822 u->err = "invalid host";
|
|
|
823 return NGX_ERROR;
|
|
|
824 }
|
|
|
825
|
|
|
826 u->uri.len = last - uri;
|
|
|
827 u->uri.data = uri;
|
|
|
828 }
|
|
|
829
|
|
|
830 if (*port == ':') {
|
|
|
831 port++;
|
|
|
832
|
|
|
833 len = last - port;
|
|
|
834
|
|
|
835 if (len == 0) {
|
|
|
836 u->err = "invalid port";
|
|
|
837 return NGX_ERROR;
|
|
|
838 }
|
|
|
839
|
|
|
840 n = ngx_atoi(port, len);
|
|
|
841
|
|
646
|
842 if (n < 1 || n > 65535) {
|
|
448
|
843 u->err = "invalid port";
|
|
|
844 return NGX_ERROR;
|
|
|
845 }
|
|
|
846
|
|
|
847 u->port = (in_port_t) n;
|
|
|
848 sin6->sin6_port = htons((in_port_t) n);
|
|
|
849
|
|
|
850 u->port_text.len = len;
|
|
|
851 u->port_text.data = port;
|
|
|
852
|
|
|
853 } else {
|
|
|
854 u->no_port = 1;
|
|
|
855 }
|
|
|
856 }
|
|
|
857
|
|
|
858 len = p - host;
|
|
|
859
|
|
|
860 if (len == 0) {
|
|
|
861 u->err = "no host";
|
|
|
862 return NGX_ERROR;
|
|
|
863 }
|
|
|
864
|
|
540
|
865 u->host.len = len;
|
|
448
|
866 u->host.data = host;
|
|
|
867
|
|
540
|
868 if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) {
|
|
448
|
869 u->err = "invalid IPv6 address";
|
|
|
870 return NGX_ERROR;
|
|
|
871 }
|
|
|
872
|
|
|
873 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
|
874 u->wildcard = 1;
|
|
|
875 }
|
|
|
876
|
|
|
877 u->family = AF_INET6;
|
|
|
878
|
|
|
879 if (u->no_resolve) {
|
|
|
880 return NGX_OK;
|
|
|
881 }
|
|
|
882
|
|
|
883 if (u->no_port) {
|
|
|
884 u->port = u->default_port;
|
|
|
885 sin6->sin6_port = htons(u->default_port);
|
|
|
886 }
|
|
|
887
|
|
|
888 return NGX_OK;
|
|
|
889
|
|
|
890 #else
|
|
|
891
|
|
|
892 u->err = "the INET6 sockets are not supported on this platform";
|
|
|
893
|
|
|
894 return NGX_ERROR;
|
|
|
895
|
|
|
896 #endif
|
|
|
897 }
|
|
|
898
|
|
|
899
|
|
260
|
900 ngx_int_t
|
|
340
|
901 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
902 {
|
|
266
|
903 u_char *p, *host;
|
|
200
|
904 size_t len;
|
|
448
|
905 in_port_t port;
|
|
200
|
906 in_addr_t in_addr;
|
|
|
907 ngx_uint_t i;
|
|
|
908 struct hostent *h;
|
|
|
909 struct sockaddr_in *sin;
|
|
|
910
|
|
|
911 /* AF_INET only */
|
|
|
912
|
|
450
|
913 port = htons(u->port);
|
|
448
|
914
|
|
540
|
915 in_addr = ngx_inet_addr(u->host.data, u->host.len);
|
|
200
|
916
|
|
|
917 if (in_addr == INADDR_NONE) {
|
|
540
|
918 host = ngx_alloc(u->host.len + 1, pool->log);
|
|
|
919 if (host == NULL) {
|
|
|
920 return NGX_ERROR;
|
|
|
921 }
|
|
|
922
|
|
|
923 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
|
|
|
924
|
|
200
|
925 h = gethostbyname((char *) host);
|
|
|
926
|
|
340
|
927 ngx_free(host);
|
|
|
928
|
|
200
|
929 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
260
|
930 u->err = "host not found";
|
|
|
931 return NGX_ERROR;
|
|
200
|
932 }
|
|
|
933
|
|
260
|
934 if (u->one_addr == 0) {
|
|
|
935 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
|
936
|
|
|
937 } else {
|
|
|
938 i = 1;
|
|
|
939 }
|
|
200
|
940
|
|
|
941 /* MP: ngx_shared_palloc() */
|
|
|
942
|
|
540
|
943 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));
|
|
260
|
944 if (u->addrs == NULL) {
|
|
|
945 return NGX_ERROR;
|
|
200
|
946 }
|
|
|
947
|
|
260
|
948 u->naddrs = i;
|
|
200
|
949
|
|
614
|
950 for (i = 0; i < u->naddrs; i++) {
|
|
200
|
951
|
|
340
|
952 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
953 if (sin == NULL) {
|
|
260
|
954 return NGX_ERROR;
|
|
200
|
955 }
|
|
|
956
|
|
|
957 sin->sin_family = AF_INET;
|
|
448
|
958 sin->sin_port = port;
|
|
200
|
959 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
|
|
960
|
|
260
|
961 u->addrs[i].sockaddr = (struct sockaddr *) sin;
|
|
|
962 u->addrs[i].socklen = sizeof(struct sockaddr_in);
|
|
200
|
963
|
|
448
|
964 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
|
|
200
|
965
|
|
382
|
966 p = ngx_pnalloc(pool, len);
|
|
266
|
967 if (p == NULL) {
|
|
260
|
968 return NGX_ERROR;
|
|
200
|
969 }
|
|
|
970
|
|
448
|
971 len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1);
|
|
200
|
972
|
|
448
|
973 u->addrs[i].name.len = len;
|
|
266
|
974 u->addrs[i].name.data = p;
|
|
200
|
975 }
|
|
|
976
|
|
|
977 } else {
|
|
|
978
|
|
|
979 /* MP: ngx_shared_palloc() */
|
|
|
980
|
|
540
|
981 u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
|
|
260
|
982 if (u->addrs == NULL) {
|
|
|
983 return NGX_ERROR;
|
|
200
|
984 }
|
|
|
985
|
|
340
|
986 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
987 if (sin == NULL) {
|
|
260
|
988 return NGX_ERROR;
|
|
200
|
989 }
|
|
|
990
|
|
260
|
991 u->naddrs = 1;
|
|
200
|
992
|
|
|
993 sin->sin_family = AF_INET;
|
|
448
|
994 sin->sin_port = port;
|
|
200
|
995 sin->sin_addr.s_addr = in_addr;
|
|
|
996
|
|
260
|
997 u->addrs[0].sockaddr = (struct sockaddr *) sin;
|
|
|
998 u->addrs[0].socklen = sizeof(struct sockaddr_in);
|
|
200
|
999
|
|
448
|
1000 p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
|
|
266
|
1001 if (p == NULL) {
|
|
260
|
1002 return NGX_ERROR;
|
|
200
|
1003 }
|
|
|
1004
|
|
448
|
1005 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
|
|
|
1006 &u->host, ntohs(port)) - p;
|
|
266
|
1007 u->addrs[0].name.data = p;
|
|
200
|
1008 }
|
|
|
1009
|
|
260
|
1010 return NGX_OK;
|
|
200
|
1011 }
|
