Mercurial > hg > nginx
annotate src/core/ngx_inet.c @ 3230:a7491af45540
http listen unix domain sockets
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 26 Oct 2009 11:43:32 +0000 |
parents | f9b5dfcc96d8 |
children | 0c5c5e876391 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
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11 #if (NGX_HAVE_INET6) |
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12 static size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len); |
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13 #endif |
2200 | 14 static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u); |
15 static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u); | |
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16 static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u); |
2200 | 17 |
1647 | 18 |
19 in_addr_t | |
20 ngx_inet_addr(u_char *text, size_t len) | |
21 { | |
22 u_char *p, c; | |
23 in_addr_t addr; | |
24 ngx_uint_t octet, n; | |
25 | |
26 addr = 0; | |
27 octet = 0; | |
28 n = 0; | |
29 | |
30 for (p = text; p < text + len; p++) { | |
31 | |
32 c = *p; | |
33 | |
34 if (c >= '0' && c <= '9') { | |
35 octet = octet * 10 + (c - '0'); | |
36 continue; | |
37 } | |
38 | |
39 if (c == '.' && octet < 256) { | |
40 addr = (addr << 8) + octet; | |
41 octet = 0; | |
42 n++; | |
43 continue; | |
44 } | |
45 | |
46 return INADDR_NONE; | |
47 } | |
48 | |
49 if (n != 3) { | |
50 return INADDR_NONE; | |
51 } | |
52 | |
53 if (octet < 256) { | |
54 addr = (addr << 8) + octet; | |
55 return htonl(addr); | |
56 } | |
57 | |
58 return INADDR_NONE; | |
59 } | |
60 | |
61 | |
509 | 62 size_t |
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63 ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port) |
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64 { |
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65 u_char *p; |
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66 struct sockaddr_in *sin; |
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67 #if (NGX_HAVE_INET6) |
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68 size_t n; |
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69 struct sockaddr_in6 *sin6; |
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70 #endif |
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71 #if (NGX_HAVE_UNIX_DOMAIN) |
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72 struct sockaddr_un *saun; |
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73 #endif |
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74 |
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75 switch (sa->sa_family) { |
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76 |
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77 case AF_INET: |
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78 |
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79 sin = (struct sockaddr_in *) sa; |
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80 p = (u_char *) &sin->sin_addr; |
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81 |
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82 if (port) { |
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83 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d", |
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84 p[0], p[1], p[2], p[3], ntohs(sin->sin_port)); |
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85 } else { |
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86 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud", |
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87 p[0], p[1], p[2], p[3]); |
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88 } |
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89 |
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90 return (p - text); |
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91 |
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92 #if (NGX_HAVE_INET6) |
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93 |
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94 case AF_INET6: |
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95 |
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96 sin6 = (struct sockaddr_in6 *) sa; |
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97 |
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98 n = 0; |
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99 |
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100 if (port) { |
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101 text[n++] = '['; |
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102 } |
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103 |
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104 n = ngx_inet6_ntop((u_char *) &sin6->sin6_addr, &text[n], len); |
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105 |
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106 if (port) { |
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107 n = ngx_sprintf(&text[1 + n], "]:%d", |
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108 ntohs(sin6->sin6_port)) - text; |
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109 } |
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110 |
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111 return n; |
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112 #endif |
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113 |
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114 #if (NGX_HAVE_UNIX_DOMAIN) |
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115 |
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116 case AF_UNIX: |
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117 saun = (struct sockaddr_un *) sa; |
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118 |
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119 /* we do not include trailing zero in address length */ |
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120 |
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121 return ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path) - text - 1; |
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122 |
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123 #endif |
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124 |
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125 default: |
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126 return 0; |
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127 } |
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128 } |
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129 |
1830 | 130 |
509 | 131 size_t |
132 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) | |
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133 { |
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134 u_char *p; |
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135 |
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136 switch (family) { |
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137 |
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138 case AF_INET: |
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139 |
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140 p = addr; |
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141 |
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142 return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud", |
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143 p[0], p[1], p[2], p[3]) |
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144 - text; |
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145 |
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146 #if (NGX_HAVE_INET6) |
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147 |
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148 case AF_INET6: |
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149 return ngx_inet6_ntop(addr, text, len); |
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150 |
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151 #endif |
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152 |
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153 default: |
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154 return 0; |
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155 } |
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156 } |
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157 |
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158 |
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159 #if (NGX_HAVE_INET6) |
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160 |
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161 static size_t |
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162 ngx_inet6_ntop(u_char *p, u_char *text, size_t len) |
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163 { |
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164 u_char *dst; |
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165 size_t max, n; |
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166 ngx_uint_t i, zero, last; |
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167 |
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168 if (len < NGX_INET6_ADDRSTRLEN) { |
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169 return 0; |
291
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170 } |
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171 |
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172 zero = (ngx_uint_t) -1; |
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173 last = (ngx_uint_t) -1; |
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174 max = 1; |
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175 n = 0; |
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176 |
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177 for (i = 0; i < 16; i += 2) { |
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178 |
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179 if (p[i] || p[i + 1]) { |
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180 |
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181 if (max < n) { |
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182 zero = last; |
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183 max = n; |
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184 } |
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185 |
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186 n = 0; |
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187 continue; |
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188 } |
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189 |
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190 if (n++ == 0) { |
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191 last = i; |
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192 } |
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193 } |
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194 |
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195 if (max < n) { |
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196 zero = last; |
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197 max = n; |
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198 } |
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199 |
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200 dst = text; |
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201 n = 16; |
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202 |
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203 if (zero == 0) { |
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204 |
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205 if ((max == 5 && p[10] == 0xff && p[11] == 0xff) |
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206 || (max == 6) |
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207 || (max == 7 && p[14] != 0 && p[15] != 1)) |
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208 { |
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209 n = 12; |
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210 } |
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211 |
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212 *dst++ = ':'; |
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213 } |
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214 |
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215 for (i = 0; i < n; i += 2) { |
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216 |
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217 if (i == zero) { |
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218 *dst++ = ':'; |
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219 i += (max - 1) * 2; |
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220 continue; |
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221 } |
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222 |
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223 dst = ngx_sprintf(dst, "%uxi", p[i] * 256 + p[i + 1]); |
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224 |
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225 if (i < 14) { |
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226 *dst++ = ':'; |
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227 } |
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228 } |
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229 |
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230 if (n == 12) { |
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231 dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]); |
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232 } |
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233 |
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234 return dst - text; |
1830 | 235 } |
236 | |
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237 #endif |
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238 |
1830 | 239 |
340
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240 /* AF_INET only */ |
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241 |
509 | 242 ngx_int_t |
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243 ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr) |
340
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244 { |
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245 u_char *addr, *mask, *last; |
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246 ngx_int_t shift; |
340
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247 |
2202 | 248 addr = text->data; |
249 last = addr + text->len; | |
340
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250 |
2202 | 251 mask = ngx_strlchr(addr, last, '/'); |
340
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252 |
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253 cidr->u.in.addr = ngx_inet_addr(addr, (mask ? mask : last) - addr); |
2202 | 254 |
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255 if (cidr->u.in.addr == INADDR_NONE) { |
340
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256 return NGX_ERROR; |
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257 } |
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258 |
2202 | 259 if (mask == NULL) { |
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260 cidr->family = AF_INET; |
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261 cidr->u.in.mask = 0xffffffff; |
2202 | 262 return NGX_OK; |
263 } | |
264 | |
265 mask++; | |
266 | |
267 shift = ngx_atoi(mask, last - mask); | |
268 if (shift == NGX_ERROR) { | |
340
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269 return NGX_ERROR; |
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270 } |
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271 |
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272 cidr->family = AF_INET; |
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273 |
2202 | 274 if (shift == 0) { |
368
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275 |
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276 /* the x86 compilers use the shl instruction that shifts by modulo 32 */ |
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277 |
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278 cidr->u.in.mask = 0; |
2202 | 279 |
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280 if (cidr->u.in.addr == 0) { |
2202 | 281 return NGX_OK; |
282 } | |
283 | |
284 return NGX_DONE; | |
368
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285 } |
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286 |
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287 cidr->u.in.mask = htonl((ngx_uint_t) (0 - (1 << (32 - shift)))); |
368
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288 |
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289 if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) { |
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290 return NGX_OK; |
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291 } |
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292 |
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293 cidr->u.in.addr &= cidr->u.in.mask; |
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294 |
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295 return NGX_DONE; |
340
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296 } |
425
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297 |
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298 |
651 | 299 ngx_int_t |
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300 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u) |
651 | 301 { |
2200 | 302 u_char *p; |
651 | 303 |
304 p = u->url.data; | |
305 | |
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306 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) { |
2200 | 307 return ngx_parse_unix_domain_url(pool, u); |
651 | 308 } |
309 | |
310 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
311 u->err = "invalid host"; | |
312 return NGX_ERROR; | |
313 } | |
314 | |
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315 if (p[0] == '[') { |
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316 return ngx_parse_inet6_url(pool, u); |
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317 } |
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318 |
2200 | 319 return ngx_parse_inet_url(pool, u); |
320 } | |
321 | |
322 | |
323 static ngx_int_t | |
324 ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u) | |
325 { | |
326 #if (NGX_HAVE_UNIX_DOMAIN) | |
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327 u_char *path, *uri, *last; |
2200 | 328 size_t len; |
329 struct sockaddr_un *saun; | |
330 | |
331 len = u->url.len; | |
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332 path = u->url.data; |
2200 | 333 |
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334 path += 5; |
2200 | 335 len -= 5; |
336 | |
337 if (u->uri_part) { | |
338 | |
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339 last = path + len; |
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340 uri = ngx_strlchr(path, last, ':'); |
2200 | 341 |
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342 if (uri) { |
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343 len = uri - path; |
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344 uri++; |
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345 u->uri.len = last - uri; |
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346 u->uri.data = uri; |
2200 | 347 } |
348 } | |
349 | |
350 if (len == 0) { | |
351 u->err = "no path in the unix domain socket"; | |
352 return NGX_ERROR; | |
353 } | |
354 | |
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355 u->host.len = len++; |
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356 u->host.data = path; |
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357 |
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358 if (len > sizeof(saun->sun_path)) { |
2200 | 359 u->err = "too long path in the unix domain socket"; |
360 return NGX_ERROR; | |
361 } | |
362 | |
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363 u->socklen = sizeof(struct sockaddr_un); |
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364 saun = (struct sockaddr_un *) &u->sockaddr; |
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365 saun->sun_family = AF_UNIX; |
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366 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len); |
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367 |
2200 | 368 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t)); |
369 if (u->addrs == NULL) { | |
370 return NGX_ERROR; | |
371 } | |
372 | |
373 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un)); | |
374 if (saun == NULL) { | |
375 return NGX_ERROR; | |
376 } | |
377 | |
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378 u->family = AF_UNIX; |
2200 | 379 u->naddrs = 1; |
380 | |
381 saun->sun_family = AF_UNIX; | |
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382 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len); |
2200 | 383 |
384 u->addrs[0].sockaddr = (struct sockaddr *) saun; | |
385 u->addrs[0].socklen = sizeof(struct sockaddr_un); | |
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386 u->addrs[0].name.len = len + 4; |
2200 | 387 u->addrs[0].name.data = u->url.data; |
388 | |
389 return NGX_OK; | |
390 | |
391 #else | |
392 | |
393 u->err = "the unix domain sockets are not supported on this platform"; | |
394 | |
395 return NGX_ERROR; | |
396 | |
397 #endif | |
398 } | |
399 | |
400 | |
401 static ngx_int_t | |
402 ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u) | |
403 { | |
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404 u_char *p, *host, *port, *last, *uri, *args; |
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405 size_t len; |
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406 ngx_int_t n; |
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407 struct hostent *h; |
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408 struct sockaddr_in *sin; |
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409 |
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410 u->socklen = sizeof(struct sockaddr_in); |
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411 sin = (struct sockaddr_in *) &u->sockaddr; |
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412 sin->sin_family = AF_INET; |
2200 | 413 |
2206 | 414 u->family = AF_INET; |
415 | |
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416 host = u->url.data; |
2200 | 417 |
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418 last = host + u->url.len; |
906 | 419 |
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420 port = ngx_strlchr(host, last, ':'); |
651 | 421 |
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422 uri = ngx_strlchr(host, last, '/'); |
651 | 423 |
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424 args = ngx_strlchr(host, last, '?'); |
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425 |
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426 if (args) { |
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427 if (uri == NULL) { |
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428 uri = args; |
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429 |
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430 } else if (args < uri) { |
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431 uri = args; |
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432 } |
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433 } |
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434 |
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435 if (uri) { |
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436 if (u->listen || !u->uri_part) { |
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437 u->err = "invalid host"; |
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438 return NGX_ERROR; |
651 | 439 } |
440 | |
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441 u->uri.len = last - uri; |
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442 u->uri.data = uri; |
651 | 443 |
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444 last = uri; |
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445 |
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446 if (uri < port) { |
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447 port = NULL; |
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448 } |
651 | 449 } |
450 | |
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451 if (port) { |
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452 port++; |
651 | 453 |
2206 | 454 len = last - port; |
455 | |
456 if (len == 0) { | |
651 | 457 u->err = "invalid port"; |
458 return NGX_ERROR; | |
459 } | |
460 | |
2206 | 461 n = ngx_atoi(port, len); |
462 | |
463 if (n < 1 || n > 65536) { | |
464 u->err = "invalid port"; | |
465 return NGX_ERROR; | |
466 } | |
467 | |
468 u->port = (in_port_t) n; | |
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469 sin->sin_port = htons((in_port_t) n); |
2206 | 470 |
471 u->port_text.len = len; | |
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472 u->port_text.data = port; |
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473 |
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474 last = port - 1; |
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475 |
651 | 476 } else { |
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477 if (uri == NULL) { |
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478 |
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479 if (u->listen) { |
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480 |
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481 /* test value as port only */ |
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482 |
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483 n = ngx_atoi(host, last - host); |
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484 |
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485 if (n != NGX_ERROR) { |
651 | 486 |
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487 if (n < 1 || n > 65536) { |
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488 u->err = "invalid port"; |
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489 return NGX_ERROR; |
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490 } |
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491 |
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492 u->port = (in_port_t) n; |
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493 sin->sin_port = htons((in_port_t) n); |
651 | 494 |
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495 u->port_text.len = last - host; |
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496 u->port_text.data = host; |
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497 |
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498 u->wildcard = 1; |
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499 |
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500 return NGX_OK; |
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changeset
|
501 } |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
502 } |
651 | 503 } |
504 | |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
505 u->no_port = 1; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
506 } |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
507 |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
508 len = last - host; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
509 |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
510 if (len == 0) { |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
511 u->err = "no host"; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
512 return NGX_ERROR; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
513 } |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
514 |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
515 if (len == 1 && *host == '*') { |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
516 len = 0; |
651 | 517 } |
518 | |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
519 u->host.len = len; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
520 u->host.data = host; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
521 |
2206 | 522 if (u->no_resolve) { |
523 return NGX_OK; | |
524 } | |
525 | |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
526 if (len++) { |
651 | 527 |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
528 p = ngx_alloc(len, pool->log); |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
529 if (p == NULL) { |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
530 return NGX_ERROR; |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
531 } |
651 | 532 |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
533 (void) ngx_cpystrn(p, host, len); |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
534 |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
535 sin->sin_addr.s_addr = inet_addr((const char *) p); |
884 | 536 |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
537 if (sin->sin_addr.s_addr == INADDR_NONE) { |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
538 h = gethostbyname((const char *) p); |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
539 |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
540 if (h == NULL || h->h_addr_list[0] == NULL) { |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
541 ngx_free(p); |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
542 u->err = "host not found"; |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
543 return NGX_ERROR; |
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
544 } |
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
545 |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
546 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[0]); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
547 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
548 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
549 if (sin->sin_addr.s_addr == INADDR_ANY) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
550 u->wildcard = 1; |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
551 } |
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
552 |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
553 ngx_free(p); |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
554 |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
555 } else { |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
556 sin->sin_addr.s_addr = INADDR_ANY; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
557 u->wildcard = 1; |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
558 } |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
559 |
906 | 560 if (u->no_port) { |
561 u->port = u->default_port; | |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
562 sin->sin_port = htons(u->default_port); |
906 | 563 } |
564 | |
2203
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
565 if (u->listen) { |
8e5bf1bc87e2
*) refactor ngx_parse_inet_url()
Igor Sysoev <igor@sysoev.ru>
parents:
2202
diff
changeset
|
566 return NGX_OK; |
906 | 567 } |
568 | |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1380
diff
changeset
|
569 if (ngx_inet_resolve_host(pool, u) != NGX_OK) { |
651 | 570 return NGX_ERROR; |
571 } | |
572 | |
573 return NGX_OK; | |
574 } | |
575 | |
576 | |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
577 static ngx_int_t |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
578 ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u) |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
579 { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
580 #if (NGX_HAVE_INET6) |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
581 int rc; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
582 u_char *p, *host, *port, *last, *uri; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
583 size_t len; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
584 ngx_int_t n; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
585 struct sockaddr_in6 *sin6; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
586 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
587 u->socklen = sizeof(struct sockaddr_in6); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
588 sin6 = (struct sockaddr_in6 *) &u->sockaddr; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
589 sin6->sin6_family = AF_INET6; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
590 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
591 host = u->url.data + 1; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
592 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
593 last = u->url.data + u->url.len; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
594 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
595 p = ngx_strlchr(host, last, ']'); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
596 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
597 if (p == NULL) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
598 u->err = "invalid host"; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
599 return NGX_ERROR; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
600 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
601 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
602 if (last - p) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
603 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
604 port = p + 1; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
605 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
606 uri = ngx_strlchr(port, last, '/'); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
607 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
608 if (uri) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
609 if (u->listen || !u->uri_part) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
610 u->err = "invalid host"; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
611 return NGX_ERROR; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
612 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
613 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
614 u->uri.len = last - uri; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
615 u->uri.data = uri; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
616 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
617 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
618 if (*port == ':') { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
619 port++; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
620 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
621 len = last - port; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
622 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
623 if (len == 0) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
624 u->err = "invalid port"; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
625 return NGX_ERROR; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
626 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
627 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
628 n = ngx_atoi(port, len); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
629 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
630 if (n < 1 || n > 65536) { |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
631 u->err = "invalid port"; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
632 return NGX_ERROR; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
633 } |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
634 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
635 u->port = (in_port_t) n; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
636 sin6->sin6_port = htons((in_port_t) n); |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
637 |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
638 u->port_text.len = len; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
639 u->port_text.data = port; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2301
diff
changeset
|
640 |
2e91aecb9e57
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641 } else { |
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642 u->no_port = 1; |
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643 } |
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644 } |
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645 |
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646 len = p - host; |
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647 |
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648 if (len == 0) { |
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649 u->err = "no host"; |
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650 return NGX_ERROR; |
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651 } |
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652 |
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653 u->host.len = len++; |
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654 u->host.data = host; |
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655 |
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656 p = ngx_alloc(len, pool->log); |
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657 if (p == NULL) { |
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658 return NGX_ERROR; |
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659 } |
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660 |
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661 (void) ngx_cpystrn(p, host, len); |
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662 |
2814 | 663 #if (NGX_WIN32) |
664 | |
665 rc = WSAStringToAddress((char *) p, AF_INET6, NULL, | |
666 (SOCKADDR *) sin6, &u->socklen); | |
667 rc = !rc; | |
668 | |
669 if (u->port) { | |
670 sin6->sin6_port = htons(u->port); | |
671 } | |
672 | |
673 #else | |
674 | |
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675 rc = inet_pton(AF_INET6, (const char *) p, &sin6->sin6_addr); |
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676 |
2814 | 677 #endif |
678 | |
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679 ngx_free(p); |
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680 |
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681 if (rc == 0) { |
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682 u->err = "invalid IPv6 address"; |
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683 return NGX_ERROR; |
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684 } |
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685 |
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686 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { |
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687 u->wildcard = 1; |
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688 } |
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689 |
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690 u->family = AF_INET6; |
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691 |
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692 if (u->no_resolve) { |
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693 return NGX_OK; |
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694 } |
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695 |
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696 if (u->no_port) { |
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697 u->port = u->default_port; |
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698 sin6->sin6_port = htons(u->default_port); |
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699 } |
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700 |
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701 return NGX_OK; |
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702 |
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703 #else |
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704 |
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705 u->err = "the INET6 sockets are not supported on this platform"; |
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706 |
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707 return NGX_ERROR; |
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708 |
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709 #endif |
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710 } |
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711 |
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712 |
884 | 713 ngx_int_t |
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714 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u) |
651 | 715 { |
906 | 716 u_char *p, *host; |
651 | 717 size_t len; |
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718 in_port_t port; |
651 | 719 in_addr_t in_addr; |
720 ngx_uint_t i; | |
721 struct hostent *h; | |
722 struct sockaddr_in *sin; | |
723 | |
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724 host = ngx_alloc(u->host.len + 1, pool->log); |
651 | 725 if (host == NULL) { |
884 | 726 return NGX_ERROR; |
651 | 727 } |
728 | |
884 | 729 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
651 | 730 |
731 /* AF_INET only */ | |
732 | |
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733 port = htons(u->port); |
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734 |
651 | 735 in_addr = inet_addr((char *) host); |
736 | |
737 if (in_addr == INADDR_NONE) { | |
738 h = gethostbyname((char *) host); | |
739 | |
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740 ngx_free(host); |
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741 |
651 | 742 if (h == NULL || h->h_addr_list[0] == NULL) { |
884 | 743 u->err = "host not found"; |
744 return NGX_ERROR; | |
651 | 745 } |
746 | |
884 | 747 if (u->one_addr == 0) { |
748 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
749 | |
750 } else { | |
751 i = 1; | |
752 } | |
651 | 753 |
754 /* MP: ngx_shared_palloc() */ | |
755 | |
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756 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_peer_addr_t)); |
884 | 757 if (u->addrs == NULL) { |
758 return NGX_ERROR; | |
651 | 759 } |
760 | |
884 | 761 u->naddrs = i; |
651 | 762 |
763 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
764 | |
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765 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in)); |
651 | 766 if (sin == NULL) { |
884 | 767 return NGX_ERROR; |
651 | 768 } |
769 | |
770 sin->sin_family = AF_INET; | |
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771 sin->sin_port = port; |
651 | 772 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
773 | |
884 | 774 u->addrs[i].sockaddr = (struct sockaddr *) sin; |
775 u->addrs[i].socklen = sizeof(struct sockaddr_in); | |
651 | 776 |
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777 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1; |
651 | 778 |
2049 | 779 p = ngx_pnalloc(pool, len); |
906 | 780 if (p == NULL) { |
884 | 781 return NGX_ERROR; |
651 | 782 } |
783 | |
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784 len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1); |
651 | 785 |
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786 u->addrs[i].name.len = len; |
906 | 787 u->addrs[i].name.data = p; |
651 | 788 } |
789 | |
790 } else { | |
791 | |
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792 ngx_free(host); |
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793 |
651 | 794 /* MP: ngx_shared_palloc() */ |
795 | |
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796 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t)); |
884 | 797 if (u->addrs == NULL) { |
798 return NGX_ERROR; | |
651 | 799 } |
800 | |
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801 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in)); |
651 | 802 if (sin == NULL) { |
884 | 803 return NGX_ERROR; |
651 | 804 } |
805 | |
884 | 806 u->naddrs = 1; |
651 | 807 |
808 sin->sin_family = AF_INET; | |
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809 sin->sin_port = port; |
651 | 810 sin->sin_addr.s_addr = in_addr; |
811 | |
884 | 812 u->addrs[0].sockaddr = (struct sockaddr *) sin; |
813 u->addrs[0].socklen = sizeof(struct sockaddr_in); | |
651 | 814 |
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815 p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1); |
906 | 816 if (p == NULL) { |
884 | 817 return NGX_ERROR; |
651 | 818 } |
819 | |
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820 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d", |
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821 &u->host, ntohs(port)) - p; |
906 | 822 u->addrs[0].name.data = p; |
651 | 823 } |
824 | |
884 | 825 return NGX_OK; |
651 | 826 } |