Mercurial > hg > nginx-quic
annotate src/core/ngx_inet.c @ 1778:14510c3cc6cb
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 26 Dec 2007 20:27:22 +0000 |
parents | 8075179cae21 |
children | cac010479ea0 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
100
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8 #include <ngx_core.h> |
26
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10 |
1647 | 11 /* AF_INET only */ |
12 | |
13 in_addr_t | |
14 ngx_inet_addr(u_char *text, size_t len) | |
15 { | |
16 u_char *p, c; | |
17 in_addr_t addr; | |
18 ngx_uint_t octet, n; | |
19 | |
20 addr = 0; | |
21 octet = 0; | |
22 n = 0; | |
23 | |
24 for (p = text; p < text + len; p++) { | |
25 | |
26 c = *p; | |
27 | |
28 if (c >= '0' && c <= '9') { | |
29 octet = octet * 10 + (c - '0'); | |
30 continue; | |
31 } | |
32 | |
33 if (c == '.' && octet < 256) { | |
34 addr = (addr << 8) + octet; | |
35 octet = 0; | |
36 n++; | |
37 continue; | |
38 } | |
39 | |
40 return INADDR_NONE; | |
41 } | |
42 | |
43 if (n != 3) { | |
44 return INADDR_NONE; | |
45 } | |
46 | |
47 if (octet < 256) { | |
48 addr = (addr << 8) + octet; | |
49 return htonl(addr); | |
50 } | |
51 | |
52 return INADDR_NONE; | |
53 } | |
54 | |
55 | |
461 | 56 /* |
57 * ngx_sock_ntop() and ngx_inet_ntop() may be implemented as | |
581 | 58 * "ngx_sprintf(text, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3])", however, |
59 * they had been implemented long before the ngx_sprintf() had appeared | |
461 | 60 * and they are faster by 1.5-2.5 times, so it is worth to keep them. |
61 * | |
62 * By the way, the implementation using ngx_sprintf() is faster by 2.5-3 times | |
479 | 63 * than using FreeBSD libc's snprintf(). |
461 | 64 */ |
65 | |
66 | |
631 | 67 static ngx_inline size_t |
68 ngx_sprint_uchar(u_char *text, u_char c, size_t len) | |
291
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69 { |
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70 size_t n; |
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71 ngx_uint_t c1, c2; |
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72 |
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73 n = 0; |
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74 |
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75 if (len == n) { |
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76 return n; |
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77 } |
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78 |
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79 c1 = c / 100; |
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80 |
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81 if (c1) { |
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82 *text++ = (u_char) (c1 + '0'); |
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83 n++; |
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84 |
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85 if (len == n) { |
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86 return n; |
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87 } |
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88 } |
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89 |
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90 c2 = (c % 100) / 10; |
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91 |
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92 if (c1 || c2) { |
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93 *text++ = (u_char) (c2 + '0'); |
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94 n++; |
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95 |
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96 if (len == n) { |
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97 return n; |
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98 } |
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99 } |
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100 |
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101 c2 = c % 10; |
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102 |
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103 *text++ = (u_char) (c2 + '0'); |
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104 n++; |
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105 |
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106 return n; |
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107 } |
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108 |
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109 |
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110 /* AF_INET only */ |
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111 |
509 | 112 size_t |
113 ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len) | |
57
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114 { |
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115 u_char *p; |
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116 size_t n; |
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117 ngx_uint_t i; |
479 | 118 struct sockaddr_in *sin; |
57
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119 |
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120 if (len == 0) { |
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121 return 0; |
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122 } |
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123 |
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124 if (family != AF_INET) { |
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125 return 0; |
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126 } |
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127 |
479 | 128 sin = (struct sockaddr_in *) sa; |
129 p = (u_char *) &sin->sin_addr; | |
57
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130 |
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131 if (len > INET_ADDRSTRLEN) { |
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132 len = INET_ADDRSTRLEN; |
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133 } |
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134 |
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135 n = ngx_sprint_uchar(text, p[0], len); |
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136 |
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137 i = 1; |
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138 |
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139 do { |
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140 if (len == n) { |
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141 text[n - 1] = '\0'; |
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142 return n; |
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143 } |
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144 |
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145 text[n++] = '.'; |
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146 |
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147 if (len == n) { |
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148 text[n - 1] = '\0'; |
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149 return n; |
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150 } |
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151 |
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152 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
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153 |
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154 } while (i < 4); |
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155 |
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156 if (len == n) { |
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157 text[n] = '\0'; |
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158 return n; |
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159 } |
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160 |
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161 text[n] = '\0'; |
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nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
162 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
163 return n; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
164 } |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
165 |
509 | 166 size_t |
167 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 { |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
169 u_char *p; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
170 size_t n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
171 ngx_uint_t i; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
172 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
173 if (len == 0) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
174 return 0; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
175 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
176 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
177 if (family != AF_INET) { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 return 0; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
179 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
181 p = (u_char *) addr; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
182 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
183 if (len > INET_ADDRSTRLEN) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
184 len = INET_ADDRSTRLEN; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
185 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
186 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
187 n = ngx_sprint_uchar(text, p[0], len); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
188 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
189 i = 1; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
190 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
191 do { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
192 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
193 text[n - 1] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
194 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
195 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
196 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
197 text[n++] = '.'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
198 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
199 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
200 text[n - 1] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
201 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
202 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
203 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
204 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
205 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
206 } while (i < 4); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
207 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
208 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
209 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
210 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
211 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
212 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
213 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
214 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
215 return n; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 } |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
217 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
218 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
219 /* AF_INET only */ |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
220 |
509 | 221 ngx_int_t |
222 ngx_ptocidr(ngx_str_t *text, void *cidr) | |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
223 { |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
224 ngx_int_t m; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
225 ngx_uint_t i; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
226 ngx_inet_cidr_t *in_cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
227 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
228 in_cidr = cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
229 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
230 for (i = 0; i < text->len; i++) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
231 if (text->data[i] == '/') { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
232 break; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
233 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
234 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
235 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
236 if (i == text->len) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
237 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
238 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
239 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
240 text->data[i] = '\0'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
241 in_cidr->addr = inet_addr((char *) text->data); |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
242 text->data[i] = '/'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
243 if (in_cidr->addr == INADDR_NONE) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
244 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
245 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
246 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
247 m = ngx_atoi(&text->data[i + 1], text->len - (i + 1)); |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
248 if (m == NGX_ERROR) { |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
249 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
250 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
251 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
252 if (m == 0) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
253 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
254 /* the x86 compilers use the shl instruction that shifts by modulo 32 */ |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
255 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
256 in_cidr->mask = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
257 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
258 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
259 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
260 in_cidr->mask = htonl((ngx_uint_t) (0 - (1 << (32 - m)))); |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
261 |
1380
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
262 if (in_cidr->addr == (in_cidr->addr & in_cidr->mask)) { |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
263 return NGX_OK; |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
264 } |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
265 |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
266 in_cidr->addr &= in_cidr->mask; |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
267 |
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
268 return NGX_DONE; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
269 } |
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
270 |
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
271 |
651 | 272 ngx_int_t |
1559
fe11e2a3946d
use pool instead of ngx_conf_t
Igor Sysoev <igor@sysoev.ru>
parents:
1380
diff
changeset
|
273 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u) |
651 | 274 { |
906 | 275 u_char *p, *host, *port_start; |
276 size_t len, port_len; | |
651 | 277 ngx_int_t port; |
278 ngx_uint_t i; | |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
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279 struct hostent *h; |
651 | 280 #if (NGX_HAVE_UNIX_DOMAIN) |
281 struct sockaddr_un *saun; | |
282 #endif | |
283 | |
284 len = u->url.len; | |
285 p = u->url.data; | |
286 | |
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287 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) { |
651 | 288 |
289 #if (NGX_HAVE_UNIX_DOMAIN) | |
290 | |
291 p += 5; | |
292 len -= 5; | |
293 | |
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294 u->uri.len = len; |
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295 u->uri.data = p; |
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296 |
651 | 297 if (u->uri_part) { |
298 for (i = 0; i < len; i++) { | |
299 | |
300 if (p[i] == ':') { | |
301 len = i; | |
302 | |
303 u->uri.len -= len + 1; | |
304 u->uri.data += len + 1; | |
305 | |
306 break; | |
307 } | |
308 } | |
309 } | |
310 | |
311 if (len == 0) { | |
312 u->err = "no path in the unix domain socket"; | |
313 return NGX_ERROR; | |
314 } | |
315 | |
316 if (len + 1 > sizeof(saun->sun_path)) { | |
317 u->err = "too long path in the unix domain socket"; | |
318 return NGX_ERROR; | |
319 } | |
320 | |
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321 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t)); |
884 | 322 if (u->addrs == NULL) { |
651 | 323 return NGX_ERROR; |
324 } | |
325 | |
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326 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un)); |
651 | 327 if (saun == NULL) { |
328 return NGX_ERROR; | |
329 } | |
330 | |
884 | 331 u->naddrs = 1; |
651 | 332 |
333 saun->sun_family = AF_UNIX; | |
334 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1); | |
335 | |
884 | 336 u->addrs[0].sockaddr = (struct sockaddr *) saun; |
337 u->addrs[0].socklen = sizeof(struct sockaddr_un); | |
338 u->addrs[0].name.len = len + 5; | |
339 u->addrs[0].name.data = u->url.data; | |
651 | 340 |
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341 u->host.len = len; |
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342 u->host.data = p; |
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343 |
906 | 344 u->unix_socket = 1; |
651 | 345 |
346 return NGX_OK; | |
347 | |
348 #else | |
349 u->err = "the unix domain sockets are not supported on this platform"; | |
350 | |
351 return NGX_ERROR; | |
352 | |
353 #endif | |
354 } | |
355 | |
356 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
357 u->err = "invalid host"; | |
358 return NGX_ERROR; | |
359 } | |
360 | |
361 u->host.data = p; | |
906 | 362 |
363 port_start = NULL; | |
364 port_len = 0; | |
651 | 365 |
366 for (i = 0; i < len; i++) { | |
367 | |
368 if (p[i] == ':') { | |
906 | 369 port_start = &p[i + 1]; |
651 | 370 u->host.len = i; |
371 | |
372 if (!u->uri_part) { | |
906 | 373 port_len = len - (i + 1); |
651 | 374 break; |
375 } | |
376 } | |
377 | |
378 if (p[i] == '/') { | |
379 u->uri.len = len - i; | |
380 u->uri.data = &p[i]; | |
381 | |
382 if (u->host.len == 0) { | |
383 u->host.len = i; | |
384 } | |
385 | |
906 | 386 if (port_start == NULL) { |
884 | 387 u->no_port = 1; |
388 goto no_port; | |
651 | 389 } |
390 | |
906 | 391 port_len = &p[i] - port_start; |
651 | 392 |
906 | 393 if (port_len == 0) { |
651 | 394 u->err = "invalid port"; |
395 return NGX_ERROR; | |
396 } | |
397 | |
398 break; | |
399 } | |
400 } | |
401 | |
906 | 402 if (port_start) { |
651 | 403 |
906 | 404 if (port_len == 0) { |
405 port_len = &p[i] - port_start; | |
651 | 406 |
906 | 407 if (port_len == 0) { |
651 | 408 u->err = "invalid port"; |
409 return NGX_ERROR; | |
410 } | |
411 } | |
412 | |
906 | 413 port = ngx_atoi(port_start, port_len); |
651 | 414 |
415 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
416 u->err = "invalid port"; | |
417 return NGX_ERROR; | |
418 } | |
419 | |
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420 u->port_text.len = port_len; |
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421 u->port_text.data = port_start; |
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422 |
651 | 423 } else { |
424 port = ngx_atoi(p, len); | |
425 | |
426 if (port == NGX_ERROR) { | |
427 u->host.len = len; | |
884 | 428 u->no_port = 1; |
651 | 429 |
884 | 430 goto no_port; |
651 | 431 } |
432 | |
433 u->wildcard = 1; | |
434 } | |
435 | |
906 | 436 u->port = (in_port_t) port; |
651 | 437 |
884 | 438 no_port: |
651 | 439 |
440 if (u->listen) { | |
884 | 441 |
906 | 442 if (u->port == 0) { |
443 if (u->default_port == 0) { | |
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444 u->err = "no port"; |
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445 return NGX_ERROR; |
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446 } |
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447 |
906 | 448 u->port = u->default_port; |
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449 } |
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450 |
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451 if (u->host.len == 1 && u->host.data[0] == '*') { |
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452 u->host.len = 0; |
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453 } |
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454 |
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455 /* AF_INET only */ |
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456 |
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457 if (u->host.len) { |
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458 |
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459 host = ngx_alloc(u->host.len + 1, pool->log); |
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460 if (host == NULL) { |
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461 return NGX_ERROR; |
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462 } |
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463 |
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464 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
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465 |
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466 u->addr.in_addr = inet_addr((const char *) host); |
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467 |
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468 if (u->addr.in_addr == INADDR_NONE) { |
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469 h = gethostbyname((const char *) host); |
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470 |
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471 if (h == NULL || h->h_addr_list[0] == NULL) { |
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472 ngx_free(host); |
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473 u->err = "host not found"; |
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474 return NGX_ERROR; |
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475 } |
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476 |
906 | 477 u->addr.in_addr = *(in_addr_t *) (h->h_addr_list[0]); |
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478 } |
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479 |
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480 ngx_free(host); |
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481 |
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482 } else { |
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483 u->addr.in_addr = INADDR_ANY; |
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484 } |
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485 |
651 | 486 return NGX_OK; |
487 } | |
488 | |
489 if (u->host.len == 0) { | |
490 u->err = "no host"; | |
491 return NGX_ERROR; | |
492 } | |
493 | |
884 | 494 if (u->no_resolve) { |
495 return NGX_OK; | |
651 | 496 } |
497 | |
906 | 498 if (u->no_port) { |
499 u->port = u->default_port; | |
500 } | |
501 | |
502 if (u->port == 0) { | |
503 u->err = "no port"; | |
504 return NGX_ERROR; | |
505 } | |
506 | |
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507 if (ngx_inet_resolve_host(pool, u) != NGX_OK) { |
651 | 508 return NGX_ERROR; |
509 } | |
510 | |
511 return NGX_OK; | |
512 } | |
513 | |
514 | |
884 | 515 ngx_int_t |
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516 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u) |
651 | 517 { |
906 | 518 u_char *p, *host; |
651 | 519 size_t len; |
520 in_addr_t in_addr; | |
521 ngx_uint_t i; | |
522 struct hostent *h; | |
523 struct sockaddr_in *sin; | |
524 | |
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525 host = ngx_alloc(u->host.len + 1, pool->log); |
651 | 526 if (host == NULL) { |
884 | 527 return NGX_ERROR; |
651 | 528 } |
529 | |
884 | 530 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
651 | 531 |
532 /* AF_INET only */ | |
533 | |
534 in_addr = inet_addr((char *) host); | |
535 | |
536 if (in_addr == INADDR_NONE) { | |
537 h = gethostbyname((char *) host); | |
538 | |
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539 ngx_free(host); |
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540 |
651 | 541 if (h == NULL || h->h_addr_list[0] == NULL) { |
884 | 542 u->err = "host not found"; |
543 return NGX_ERROR; | |
651 | 544 } |
545 | |
884 | 546 if (u->one_addr == 0) { |
547 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
548 | |
549 } else { | |
550 i = 1; | |
551 } | |
651 | 552 |
553 /* MP: ngx_shared_palloc() */ | |
554 | |
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555 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_peer_addr_t)); |
884 | 556 if (u->addrs == NULL) { |
557 return NGX_ERROR; | |
651 | 558 } |
559 | |
884 | 560 u->naddrs = i; |
651 | 561 |
562 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
563 | |
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564 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in)); |
651 | 565 if (sin == NULL) { |
884 | 566 return NGX_ERROR; |
651 | 567 } |
568 | |
569 sin->sin_family = AF_INET; | |
906 | 570 sin->sin_port = htons(u->port); |
651 | 571 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
572 | |
884 | 573 u->addrs[i].sockaddr = (struct sockaddr *) sin; |
574 u->addrs[i].socklen = sizeof(struct sockaddr_in); | |
651 | 575 |
576 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1; | |
577 | |
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578 p = ngx_palloc(pool, len); |
906 | 579 if (p == NULL) { |
884 | 580 return NGX_ERROR; |
651 | 581 } |
582 | |
906 | 583 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, p, len); |
651 | 584 |
906 | 585 u->addrs[i].name.len = ngx_sprintf(&p[len], ":%d", u->port) - p; |
586 u->addrs[i].name.data = p; | |
651 | 587 } |
588 | |
589 } else { | |
590 | |
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591 ngx_free(host); |
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592 |
651 | 593 /* MP: ngx_shared_palloc() */ |
594 | |
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595 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t)); |
884 | 596 if (u->addrs == NULL) { |
597 return NGX_ERROR; | |
651 | 598 } |
599 | |
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600 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in)); |
651 | 601 if (sin == NULL) { |
884 | 602 return NGX_ERROR; |
651 | 603 } |
604 | |
884 | 605 u->naddrs = 1; |
651 | 606 |
607 sin->sin_family = AF_INET; | |
906 | 608 sin->sin_port = htons(u->port); |
651 | 609 sin->sin_addr.s_addr = in_addr; |
610 | |
884 | 611 u->addrs[0].sockaddr = (struct sockaddr *) sin; |
612 u->addrs[0].socklen = sizeof(struct sockaddr_in); | |
651 | 613 |
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614 p = ngx_palloc(pool, u->host.len + sizeof(":65536") - 1); |
906 | 615 if (p == NULL) { |
884 | 616 return NGX_ERROR; |
651 | 617 } |
618 | |
906 | 619 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d", &u->host, u->port) - p; |
620 u->addrs[0].name.data = p; | |
651 | 621 } |
622 | |
884 | 623 return NGX_OK; |
651 | 624 } |