Mercurial > hg > nginx-quic
annotate src/core/ngx_inet.c @ 663:6d5c1535bb9d release-0.3.53
nginx-0.3.53-RELEASE import
*) Change: the "add_header" directive adds the string to 204, 301, and
302 responses.
*) Feature: the "server" directive in the "upstream" context supports
the "weight" parameter.
*) Feature: the "server_name" directive supports the "*" wildcard.
*) Feature: nginx supports the request body size more than 2G.
*) Bugfix: if a client was successfully authorized using "satisfy_any
on", then anyway the message "access forbidden by rule" was written
in the log.
*) Bugfix: the "PUT" method may erroneously not create a file and
return the 409 code.
*) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
continued proxying anyway.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 07 Jul 2006 16:33:19 +0000 |
parents | 39b7d7b33c91 |
children | 324967192b8b |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
100
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8 #include <ngx_core.h> |
479 | 9 #include <ngx_event.h> |
10 #include <ngx_event_connect.h> | |
26
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11 |
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12 |
461 | 13 /* |
14 * ngx_sock_ntop() and ngx_inet_ntop() may be implemented as | |
581 | 15 * "ngx_sprintf(text, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3])", however, |
16 * they had been implemented long before the ngx_sprintf() had appeared | |
461 | 17 * and they are faster by 1.5-2.5 times, so it is worth to keep them. |
18 * | |
19 * By the way, the implementation using ngx_sprintf() is faster by 2.5-3 times | |
479 | 20 * than using FreeBSD libc's snprintf(). |
461 | 21 */ |
22 | |
23 | |
631 | 24 static ngx_inline size_t |
25 ngx_sprint_uchar(u_char *text, u_char c, size_t len) | |
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26 { |
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27 size_t n; |
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28 ngx_uint_t c1, c2; |
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29 |
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30 n = 0; |
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31 |
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32 if (len == n) { |
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33 return n; |
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34 } |
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35 |
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36 c1 = c / 100; |
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37 |
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38 if (c1) { |
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39 *text++ = (u_char) (c1 + '0'); |
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40 n++; |
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41 |
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42 if (len == n) { |
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43 return n; |
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44 } |
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45 } |
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46 |
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47 c2 = (c % 100) / 10; |
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48 |
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49 if (c1 || c2) { |
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50 *text++ = (u_char) (c2 + '0'); |
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51 n++; |
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52 |
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53 if (len == n) { |
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54 return n; |
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55 } |
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56 } |
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57 |
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58 c2 = c % 10; |
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59 |
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60 *text++ = (u_char) (c2 + '0'); |
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61 n++; |
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62 |
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63 return n; |
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64 } |
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65 |
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66 |
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67 /* AF_INET only */ |
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68 |
509 | 69 size_t |
70 ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len) | |
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71 { |
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72 u_char *p; |
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73 size_t n; |
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74 ngx_uint_t i; |
479 | 75 struct sockaddr_in *sin; |
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76 |
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77 if (len == 0) { |
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78 return 0; |
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79 } |
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80 |
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81 if (family != AF_INET) { |
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82 return 0; |
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83 } |
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84 |
479 | 85 sin = (struct sockaddr_in *) sa; |
86 p = (u_char *) &sin->sin_addr; | |
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87 |
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88 if (len > INET_ADDRSTRLEN) { |
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89 len = INET_ADDRSTRLEN; |
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90 } |
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91 |
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92 n = ngx_sprint_uchar(text, p[0], len); |
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93 |
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94 i = 1; |
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95 |
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96 do { |
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97 if (len == n) { |
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98 text[n - 1] = '\0'; |
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99 return n; |
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100 } |
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101 |
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102 text[n++] = '.'; |
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103 |
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104 if (len == n) { |
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105 text[n - 1] = '\0'; |
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106 return n; |
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107 } |
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108 |
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109 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
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110 |
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111 } while (i < 4); |
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112 |
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113 if (len == n) { |
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114 text[n] = '\0'; |
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115 return n; |
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116 } |
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117 |
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118 text[n] = '\0'; |
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119 |
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120 return n; |
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121 } |
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parents:
26
diff
changeset
|
122 |
509 | 123 size_t |
124 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) | |
26
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parents:
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|
125 { |
291
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parents:
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diff
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|
126 u_char *p; |
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|
127 size_t n; |
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|
128 ngx_uint_t i; |
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|
129 |
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|
130 if (len == 0) { |
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131 return 0; |
117ccc7c4055
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diff
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|
132 } |
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|
133 |
57
a499e0d1f16e
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parents:
26
diff
changeset
|
134 if (family != AF_INET) { |
26
53cb81681040
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parents:
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changeset
|
135 return 0; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
136 } |
26
53cb81681040
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parents:
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changeset
|
137 |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
138 p = (u_char *) addr; |
117ccc7c4055
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|
139 |
117ccc7c4055
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parents:
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|
140 if (len > INET_ADDRSTRLEN) { |
117ccc7c4055
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parents:
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diff
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|
141 len = INET_ADDRSTRLEN; |
117ccc7c4055
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parents:
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diff
changeset
|
142 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
143 |
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nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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|
144 n = ngx_sprint_uchar(text, p[0], len); |
117ccc7c4055
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parents:
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changeset
|
145 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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|
146 i = 1; |
117ccc7c4055
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parents:
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diff
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|
147 |
117ccc7c4055
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parents:
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diff
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|
148 do { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
149 if (len == n) { |
117ccc7c4055
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parents:
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diff
changeset
|
150 text[n - 1] = '\0'; |
117ccc7c4055
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parents:
290
diff
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|
151 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
152 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
153 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
154 text[n++] = '.'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
155 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
156 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
157 text[n - 1] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
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|
158 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
159 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
160 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
161 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
|
162 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
163 } while (i < 4); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
164 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
165 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
166 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
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|
167 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
168 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
169 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
170 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
171 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
172 return n; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 } |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
174 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
175 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
176 /* AF_INET only */ |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
177 |
509 | 178 ngx_int_t |
179 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
|
180 { |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
181 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
|
182 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
|
183 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
|
184 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
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parents:
291
diff
changeset
|
185 in_cidr = cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
186 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
187 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
|
188 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
|
189 break; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
190 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
191 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
192 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
193 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
|
194 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
195 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
196 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
197 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
|
198 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
|
199 text->data[i] = '/'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
200 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
|
201 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
202 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
203 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
204 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
|
205 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
|
206 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
207 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
208 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
209 if (m == 0) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
210 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
211 /* 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
|
212 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
213 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
|
214 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
215 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
216 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
217 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
|
218 |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
219 return NGX_OK; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
220 } |
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
221 |
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
222 |
651 | 223 ngx_int_t |
224 ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u) | |
225 { | |
226 u_char *p; | |
227 size_t len; | |
228 ngx_int_t port; | |
229 ngx_uint_t i; | |
230 #if (NGX_HAVE_UNIX_DOMAIN) | |
231 struct sockaddr_un *saun; | |
232 #endif | |
233 | |
234 len = u->url.len; | |
235 p = u->url.data; | |
236 | |
237 if (ngx_strncasecmp(p, "unix:", 5) == 0) { | |
238 | |
239 #if (NGX_HAVE_UNIX_DOMAIN) | |
240 | |
241 u->type = NGX_PARSE_URL_UNIX; | |
242 | |
243 p += 5; | |
244 len -= 5; | |
245 | |
246 if (u->uri_part) { | |
247 for (i = 0; i < len; i++) { | |
248 | |
249 if (p[i] == ':') { | |
250 len = i; | |
251 | |
252 u->uri.len -= len + 1; | |
253 u->uri.data += len + 1; | |
254 | |
255 break; | |
256 } | |
257 } | |
258 } | |
259 | |
260 if (len == 0) { | |
261 u->err = "no path in the unix domain socket"; | |
262 return NGX_ERROR; | |
263 } | |
264 | |
265 if (len + 1 > sizeof(saun->sun_path)) { | |
266 u->err = "too long path in the unix domain socket"; | |
267 return NGX_ERROR; | |
268 } | |
269 | |
270 u->peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
271 if (u->peers == NULL) { | |
272 return NGX_ERROR; | |
273 } | |
274 | |
275 saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un)); | |
276 if (saun == NULL) { | |
277 return NGX_ERROR; | |
278 } | |
279 | |
280 u->peers->number = 1; | |
281 | |
282 saun->sun_family = AF_UNIX; | |
283 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1); | |
284 | |
285 u->peers->peer[0].sockaddr = (struct sockaddr *) saun; | |
286 u->peers->peer[0].socklen = sizeof(struct sockaddr_un); | |
287 u->peers->peer[0].name = u->url; | |
288 u->peers->peer[0].uri_separator = ":"; | |
289 | |
290 u->host_header.len = sizeof("localhost") - 1; | |
291 u->host_header.data = (u_char *) "localhost"; | |
292 | |
293 return NGX_OK; | |
294 | |
295 #else | |
296 u->err = "the unix domain sockets are not supported on this platform"; | |
297 | |
298 return NGX_ERROR; | |
299 | |
300 #endif | |
301 } | |
302 | |
303 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
304 u->err = "invalid host"; | |
305 return NGX_ERROR; | |
306 } | |
307 | |
308 u->type = NGX_PARSE_URL_INET; | |
309 | |
310 u->host.data = p; | |
311 u->host_header.len = len; | |
312 u->host_header.data = p; | |
313 | |
314 for (i = 0; i < len; i++) { | |
315 | |
316 if (p[i] == ':') { | |
317 u->port.data = &p[i + 1]; | |
318 u->host.len = i; | |
319 | |
320 if (!u->uri_part) { | |
321 u->port.len = &p[len] - u->port.data; | |
322 break; | |
323 } | |
324 } | |
325 | |
326 if (p[i] == '/') { | |
327 u->uri.len = len - i; | |
328 u->uri.data = &p[i]; | |
329 u->host_header.len = i; | |
330 | |
331 if (u->host.len == 0) { | |
332 u->host.len = i; | |
333 } | |
334 | |
335 if (u->port.data == NULL) { | |
336 u->default_port = 1; | |
337 goto port; | |
338 } | |
339 | |
340 u->port.len = &p[i] - u->port.data; | |
341 | |
342 if (u->port.len == 0) { | |
343 u->err = "invalid port"; | |
344 return NGX_ERROR; | |
345 } | |
346 | |
347 break; | |
348 } | |
349 } | |
350 | |
351 if (u->port.data) { | |
352 | |
353 if (u->port.len == 0) { | |
354 u->port.len = &p[i] - u->port.data; | |
355 | |
356 if (u->port.len == 0) { | |
357 u->err = "invalid port"; | |
358 return NGX_ERROR; | |
359 } | |
360 } | |
361 | |
362 port = ngx_atoi(u->port.data, u->port.len); | |
363 | |
364 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
365 u->err = "invalid port"; | |
366 return NGX_ERROR; | |
367 } | |
368 | |
369 } else { | |
370 port = ngx_atoi(p, len); | |
371 | |
372 if (port == NGX_ERROR) { | |
373 u->default_port = 1; | |
374 u->host.len = len; | |
375 | |
376 goto port; | |
377 } | |
378 | |
379 u->port.len = len; | |
380 u->port.data = p; | |
381 u->wildcard = 1; | |
382 } | |
383 | |
384 u->portn = (in_port_t) port; | |
385 | |
386 port: | |
387 | |
388 if (u->listen) { | |
389 return NGX_OK; | |
390 } | |
391 | |
392 if (u->default_port) { | |
393 | |
394 if (u->upstream) { | |
395 return NGX_OK; | |
396 } | |
397 | |
398 if (u->default_portn == 0) { | |
399 u->err = "no port"; | |
400 return NGX_ERROR; | |
401 } | |
402 | |
403 u->portn = u->default_portn; | |
404 | |
405 u->port.data = ngx_palloc(cf->pool, sizeof("65536") - 1); | |
406 if (u->port.data == NULL) { | |
407 return NGX_ERROR; | |
408 } | |
409 | |
410 u->port.len = ngx_sprintf(u->port.data, "%d", u->portn) - u->port.data; | |
411 | |
412 } else if (u->portn) { | |
413 if (u->portn == u->default_portn) { | |
414 u->default_port = 1; | |
415 } | |
416 | |
417 } else { | |
418 u->err = "no port"; | |
419 return NGX_ERROR; | |
420 } | |
421 | |
422 if (u->host.len == 0) { | |
423 u->err = "no host"; | |
424 return NGX_ERROR; | |
425 } | |
426 | |
427 u->peers = ngx_inet_resolve_peer(cf, &u->host, u->portn); | |
428 | |
429 if (u->peers == NULL) { | |
430 return NGX_ERROR; | |
431 } | |
432 | |
433 if (u->peers == NGX_CONF_ERROR) { | |
434 u->err = "host not found"; | |
435 return NGX_ERROR; | |
436 } | |
437 | |
438 return NGX_OK; | |
439 } | |
440 | |
441 | |
442 ngx_peers_t * | |
443 ngx_inet_resolve_peer(ngx_conf_t *cf, ngx_str_t *name, in_port_t port) | |
444 { | |
445 u_char *host; | |
446 size_t len; | |
447 in_addr_t in_addr; | |
448 ngx_uint_t i; | |
449 ngx_peers_t *peers; | |
450 struct hostent *h; | |
451 struct sockaddr_in *sin; | |
452 | |
453 host = ngx_palloc(cf->temp_pool, name->len + 1); | |
454 if (host == NULL) { | |
455 return NULL; | |
456 } | |
457 | |
458 (void) ngx_cpystrn(host, name->data, name->len + 1); | |
459 | |
460 /* AF_INET only */ | |
461 | |
462 in_addr = inet_addr((char *) host); | |
463 | |
464 if (in_addr == INADDR_NONE) { | |
465 h = gethostbyname((char *) host); | |
466 | |
467 if (h == NULL || h->h_addr_list[0] == NULL) { | |
468 return NGX_CONF_ERROR; | |
469 } | |
470 | |
471 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
472 | |
473 /* MP: ngx_shared_palloc() */ | |
474 | |
475 peers = ngx_pcalloc(cf->pool, | |
476 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1)); | |
477 if (peers == NULL) { | |
478 return NULL; | |
479 } | |
480 | |
481 peers->number = i; | |
482 | |
483 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
484 | |
485 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
486 if (sin == NULL) { | |
487 return NULL; | |
488 } | |
489 | |
490 sin->sin_family = AF_INET; | |
491 sin->sin_port = htons(port); | |
492 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); | |
493 | |
494 peers->peer[i].sockaddr = (struct sockaddr *) sin; | |
495 peers->peer[i].socklen = sizeof(struct sockaddr_in); | |
496 | |
497 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1; | |
498 | |
499 peers->peer[i].name.data = ngx_palloc(cf->pool, len); | |
500 if (peers->peer[i].name.data == NULL) { | |
501 return NULL; | |
502 } | |
503 | |
504 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
505 peers->peer[i].name.data, len); | |
506 | |
507 peers->peer[i].name.len = | |
508 ngx_sprintf(&peers->peer[i].name.data[len], | |
509 ":%d", port) | |
510 - peers->peer[i].name.data; | |
511 | |
512 peers->peer[i].uri_separator = ""; | |
663 | 513 |
514 peers->peer[i].weight = NGX_CONF_UNSET_UINT; | |
515 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT; | |
516 peers->peer[i].fail_timeout = NGX_CONF_UNSET; | |
651 | 517 } |
518 | |
519 } else { | |
520 | |
521 /* MP: ngx_shared_palloc() */ | |
522 | |
523 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
524 if (peers == NULL) { | |
525 return NULL; | |
526 } | |
527 | |
528 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
529 if (sin == NULL) { | |
530 return NULL; | |
531 } | |
532 | |
533 peers->number = 1; | |
534 | |
535 sin->sin_family = AF_INET; | |
536 sin->sin_port = htons(port); | |
537 sin->sin_addr.s_addr = in_addr; | |
538 | |
539 peers->peer[0].sockaddr = (struct sockaddr *) sin; | |
540 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
541 | |
542 peers->peer[0].name.data = ngx_palloc(cf->pool, | |
543 name->len + sizeof(":65536") - 1); | |
544 if (peers->peer[0].name.data == NULL) { | |
545 return NULL; | |
546 } | |
547 | |
548 peers->peer[0].name.len = ngx_sprintf(peers->peer[0].name.data, "%V:%d", | |
549 name, port) | |
550 - peers->peer[0].name.data; | |
551 | |
552 peers->peer[0].uri_separator = ""; | |
553 } | |
554 | |
555 return peers; | |
556 } | |
557 | |
558 | |
509 | 559 ngx_peers_t * |
560 ngx_inet_upstream_parse(ngx_conf_t *cf, ngx_inet_upstream_t *u) | |
425
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561 { |
479 | 562 char *err; |
563 u_char *host; | |
517 | 564 size_t len; |
479 | 565 in_addr_t in_addr; |
517 | 566 ngx_uint_t i; |
479 | 567 ngx_peers_t *peers; |
568 struct hostent *h; | |
569 struct sockaddr_in *sin; | |
570 | |
571 err = ngx_inet_parse_host_port(u); | |
572 | |
573 if (err) { | |
574 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
575 "%s in upstream \"%V\"", err, &u->name); | |
576 return NULL; | |
577 } | |
578 | |
579 if (u->default_port) { | |
651 | 580 |
479 | 581 if (u->default_port_value == 0) { |
582 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
583 "no port in upstream \"%V\"", &u->name); | |
584 return NULL; | |
585 } | |
586 | |
587 u->port = u->default_port_value; | |
588 | |
501 | 589 u->port_text.data = ngx_palloc(cf->pool, sizeof("65536") - 1); |
590 if (u->port_text.data == NULL) { | |
479 | 591 return NULL; |
592 } | |
593 | |
594 u->port_text.len = ngx_sprintf(u->port_text.data, "%d", | |
595 u->default_port_value) | |
596 - u->port_text.data; | |
597 | |
598 } else if (u->port) { | |
599 if (u->port == u->default_port_value) { | |
600 u->default_port = 1; | |
601 } | |
602 | |
603 } else { | |
604 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
605 "no port in upstream \"%V\"", &u->name); | |
606 return NULL; | |
607 } | |
608 | |
609 if (u->host.len == 0) { | |
610 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
611 "no host in upstream \"%V\"", &u->name); | |
612 return NULL; | |
613 } | |
614 | |
615 u->port = htons(u->port); | |
616 | |
651 | 617 host = ngx_palloc(cf->temp_pool, u->host.len + 1); |
501 | 618 if (host == NULL) { |
479 | 619 return NULL; |
620 } | |
621 | |
517 | 622 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
479 | 623 |
624 /* AF_INET only */ | |
625 | |
626 in_addr = inet_addr((char *) host); | |
627 | |
628 if (in_addr == INADDR_NONE) { | |
629 h = gethostbyname((char *) host); | |
630 | |
631 if (h == NULL || h->h_addr_list[0] == NULL) { | |
632 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
633 "host %s is not found in upstream \"%V\"", | |
634 host, &u->name); | |
635 return NULL; | |
636 } | |
637 | |
638 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
639 | |
640 /* MP: ngx_shared_palloc() */ | |
641 | |
642 peers = ngx_pcalloc(cf->pool, | |
643 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1)); | |
644 if (peers == NULL) { | |
645 return NULL; | |
646 } | |
647 | |
648 peers->number = i; | |
649 | |
650 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
651 | |
501 | 652 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
653 if (sin == NULL) { | |
479 | 654 return NULL; |
655 } | |
656 | |
657 sin->sin_family = AF_INET; | |
658 sin->sin_port = u->port; | |
487 | 659 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
479 | 660 |
661 peers->peer[i].sockaddr = (struct sockaddr *) sin; | |
662 peers->peer[i].socklen = sizeof(struct sockaddr_in); | |
663 | |
664 len = INET_ADDRSTRLEN - 1 + 1 + u->port_text.len; | |
577 | 665 |
501 | 666 peers->peer[i].name.data = ngx_palloc(cf->pool, len); |
667 if (peers->peer[i].name.data == NULL) { | |
479 | 668 return NULL; |
669 } | |
670 | |
671 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
672 peers->peer[i].name.data, len); | |
673 | |
674 peers->peer[i].name.data[len++] = ':'; | |
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675 |
479 | 676 ngx_memcpy(peers->peer[i].name.data + len, |
677 u->port_text.data, u->port_text.len); | |
678 | |
679 peers->peer[i].name.len = len + u->port_text.len; | |
680 | |
681 peers->peer[i].uri_separator = ""; | |
663 | 682 |
683 peers->peer[i].weight = NGX_CONF_UNSET_UINT; | |
684 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT; | |
685 peers->peer[i].fail_timeout = NGX_CONF_UNSET; | |
479 | 686 } |
687 | |
688 } else { | |
689 | |
690 /* MP: ngx_shared_palloc() */ | |
691 | |
501 | 692 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); |
693 if (peers == NULL) { | |
479 | 694 return NULL; |
695 } | |
696 | |
501 | 697 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
698 if (sin == NULL) { | |
479 | 699 return NULL; |
700 } | |
701 | |
702 peers->number = 1; | |
703 | |
704 sin->sin_family = AF_INET; | |
705 sin->sin_port = u->port; | |
706 sin->sin_addr.s_addr = in_addr; | |
707 | |
708 peers->peer[0].sockaddr = (struct sockaddr *) sin; | |
709 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
710 | |
711 len = u->host.len + 1 + u->port_text.len; | |
712 | |
713 peers->peer[0].name.len = len; | |
714 | |
501 | 715 peers->peer[0].name.data = ngx_palloc(cf->pool, len); |
716 if (peers->peer[0].name.data == NULL) { | |
479 | 717 return NULL; |
718 } | |
719 | |
720 len = u->host.len; | |
721 | |
722 ngx_memcpy(peers->peer[0].name.data, u->host.data, len); | |
723 | |
724 peers->peer[0].name.data[len++] = ':'; | |
725 | |
726 ngx_memcpy(peers->peer[0].name.data + len, | |
727 u->port_text.data, u->port_text.len); | |
728 | |
729 peers->peer[0].uri_separator = ""; | |
730 } | |
731 | |
732 return peers; | |
733 } | |
734 | |
735 | |
509 | 736 char * |
737 ngx_inet_parse_host_port(ngx_inet_upstream_t *u) | |
479 | 738 { |
739 size_t i; | |
740 ngx_int_t port; | |
741 ngx_str_t *url; | |
742 | |
743 url = &u->url; | |
744 | |
745 if (u->port_only) { | |
746 i = 0; | |
747 | |
748 } else { | |
749 if (url->data[0] == ':' || url->data[0] == '/') { | |
750 return "invalid host"; | |
751 } | |
752 | |
753 i = 1; | |
754 } | |
755 | |
756 u->host.data = url->data; | |
757 u->host_header = *url; | |
758 | |
515 | 759 for ( /* void */ ; i < url->len; i++) { |
479 | 760 |
761 if (url->data[i] == ':') { | |
762 u->port_text.data = &url->data[i] + 1; | |
763 u->host.len = i; | |
764 | |
765 if (!u->uri_part) { | |
766 u->port_text.len = &url->data[url->len] - u->port_text.data; | |
767 break; | |
768 } | |
769 } | |
770 | |
771 if (url->data[i] == '/') { | |
772 u->uri.data = &url->data[i]; | |
773 u->uri.len = url->len - i; | |
774 u->host_header.len = i; | |
775 | |
776 if (u->host.len == 0) { | |
777 u->host.len = i; | |
778 } | |
779 | |
780 if (u->port_text.data == NULL) { | |
781 u->default_port = 1; | |
782 return NULL; | |
783 } | |
784 | |
785 u->port_text.len = &url->data[i] - u->port_text.data; | |
786 | |
787 if (u->port_text.len == 0) { | |
788 return "invalid port"; | |
789 } | |
790 | |
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791 break; |
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792 } |
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793 } |
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794 |
569 | 795 if (u->port_text.data) { |
796 | |
797 if (u->port_text.len == 0) { | |
798 u->port_text.len = &url->data[i] - u->port_text.data; | |
799 | |
800 if (u->port_text.len == 0) { | |
801 return "invalid port"; | |
802 } | |
803 } | |
804 | |
805 port = ngx_atoi(u->port_text.data, u->port_text.len); | |
806 | |
807 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
808 return "invalid port"; | |
809 } | |
810 | |
811 } else { | |
479 | 812 port = ngx_atoi(url->data, url->len); |
813 | |
814 if (port == NGX_ERROR) { | |
815 u->default_port = 1; | |
816 u->host.len = url->len; | |
817 | |
818 return NULL; | |
819 } | |
425
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820 |
479 | 821 u->port_text = *url; |
822 u->wildcard = 1; | |
425
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823 } |
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824 |
479 | 825 u->port = (in_port_t) port; |
425
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826 |
479 | 827 return NULL; |
425
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828 } |