Mercurial > hg > nginx
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> |
|---|---|
| date | Fri, 07 Jul 2006 16:33:19 +0000 |
| parents | 39b7d7b33c91 |
| children | 324967192b8b |
| 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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5 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
| 479 | 9 #include <ngx_event.h> |
| 10 #include <ngx_event_connect.h> | |
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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; |
|
57
a499e0d1f16e
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Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
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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|
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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|
132 } |
|
117ccc7c4055
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parents:
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diff
changeset
|
133 |
|
57
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parents:
26
diff
changeset
|
134 if (family != AF_INET) { |
|
26
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parents:
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135 return 0; |
|
57
a499e0d1f16e
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Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
136 } |
|
26
53cb81681040
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
137 |
|
291
117ccc7c4055
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parents:
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diff
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|
138 p = (u_char *) addr; |
|
117ccc7c4055
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diff
changeset
|
139 |
|
117ccc7c4055
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parents:
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|
140 if (len > INET_ADDRSTRLEN) { |
|
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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|
141 len = INET_ADDRSTRLEN; |
|
117ccc7c4055
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
142 } |
|
117ccc7c4055
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
143 |
|
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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|
144 n = ngx_sprint_uchar(text, p[0], len); |
|
117ccc7c4055
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
145 |
|
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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|
146 i = 1; |
|
117ccc7c4055
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parents:
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diff
changeset
|
147 |
|
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
148 do { |
|
117ccc7c4055
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
149 if (len == n) { |
|
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
150 text[n - 1] = '\0'; |
|
117ccc7c4055
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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
163 } while (i < 4); |
|
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
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
changeset
|
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
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++] = ':'; | |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
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 | |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
791 break; |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
792 } |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
793 } |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
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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parents:
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823 } |
|
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nginx-0.0.10-2004-09-14-19:55:24 import
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parents:
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824 |
| 479 | 825 u->port = (in_port_t) port; |
|
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826 |
| 479 | 827 return NULL; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
828 } |