Mercurial > hg > nginx
annotate src/core/ngx_inet.c @ 711:324967192b8b
fix segfault in "proxy_pass http://unix:...", the bug appeared in nginx-0.3.47
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 24 Sep 2006 07:35:56 +0000 |
| parents | 6d5c1535bb9d |
| children | 2452d89efea9 |
| rev | line source |
|---|---|
|
441
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1 |
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2 /* |
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444
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3 * Copyright (C) Igor Sysoev |
|
441
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4 */ |
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5 |
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6 |
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26
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7 #include <ngx_config.h> |
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100
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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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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) | |
|
291
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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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57
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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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changeset
|
125 { |
|
291
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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 |
|
117ccc7c4055
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|
130 if (len == 0) { |
|
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131 return 0; |
|
117ccc7c4055
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parents:
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diff
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|
132 } |
|
117ccc7c4055
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parents:
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diff
changeset
|
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
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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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Igor Sysoev <igor@sysoev.ru>
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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parents:
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diff
changeset
|
139 |
|
117ccc7c4055
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parents:
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diff
changeset
|
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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Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
142 } |
|
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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
changeset
|
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
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
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
nginx-0.0.3-2004-03-16-16:35:20 import
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
changeset
|
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
changeset
|
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; | |
|
711
324967192b8b
fix segfault in "proxy_pass http://unix:...", the bug appeared in nginx-0.3.47
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
242 u->uri = u->url; |
| 651 | 243 |
| 244 p += 5; | |
| 245 len -= 5; | |
| 246 | |
| 247 if (u->uri_part) { | |
| 248 for (i = 0; i < len; i++) { | |
| 249 | |
| 250 if (p[i] == ':') { | |
| 251 len = i; | |
| 252 | |
| 253 u->uri.len -= len + 1; | |
| 254 u->uri.data += len + 1; | |
| 255 | |
| 256 break; | |
| 257 } | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 if (len == 0) { | |
| 262 u->err = "no path in the unix domain socket"; | |
| 263 return NGX_ERROR; | |
| 264 } | |
| 265 | |
| 266 if (len + 1 > sizeof(saun->sun_path)) { | |
| 267 u->err = "too long path in the unix domain socket"; | |
| 268 return NGX_ERROR; | |
| 269 } | |
| 270 | |
| 271 u->peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
| 272 if (u->peers == NULL) { | |
| 273 return NGX_ERROR; | |
| 274 } | |
| 275 | |
| 276 saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un)); | |
| 277 if (saun == NULL) { | |
| 278 return NGX_ERROR; | |
| 279 } | |
| 280 | |
| 281 u->peers->number = 1; | |
| 282 | |
| 283 saun->sun_family = AF_UNIX; | |
| 284 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1); | |
| 285 | |
| 286 u->peers->peer[0].sockaddr = (struct sockaddr *) saun; | |
| 287 u->peers->peer[0].socklen = sizeof(struct sockaddr_un); | |
| 288 u->peers->peer[0].name = u->url; | |
| 289 u->peers->peer[0].uri_separator = ":"; | |
| 290 | |
| 291 u->host_header.len = sizeof("localhost") - 1; | |
| 292 u->host_header.data = (u_char *) "localhost"; | |
| 293 | |
| 294 return NGX_OK; | |
| 295 | |
| 296 #else | |
| 297 u->err = "the unix domain sockets are not supported on this platform"; | |
| 298 | |
| 299 return NGX_ERROR; | |
| 300 | |
| 301 #endif | |
| 302 } | |
| 303 | |
| 304 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
| 305 u->err = "invalid host"; | |
| 306 return NGX_ERROR; | |
| 307 } | |
| 308 | |
| 309 u->type = NGX_PARSE_URL_INET; | |
| 310 | |
| 311 u->host.data = p; | |
| 312 u->host_header.len = len; | |
| 313 u->host_header.data = p; | |
| 314 | |
| 315 for (i = 0; i < len; i++) { | |
| 316 | |
| 317 if (p[i] == ':') { | |
| 318 u->port.data = &p[i + 1]; | |
| 319 u->host.len = i; | |
| 320 | |
| 321 if (!u->uri_part) { | |
| 322 u->port.len = &p[len] - u->port.data; | |
| 323 break; | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 if (p[i] == '/') { | |
| 328 u->uri.len = len - i; | |
| 329 u->uri.data = &p[i]; | |
| 330 u->host_header.len = i; | |
| 331 | |
| 332 if (u->host.len == 0) { | |
| 333 u->host.len = i; | |
| 334 } | |
| 335 | |
| 336 if (u->port.data == NULL) { | |
| 337 u->default_port = 1; | |
| 338 goto port; | |
| 339 } | |
| 340 | |
| 341 u->port.len = &p[i] - u->port.data; | |
| 342 | |
| 343 if (u->port.len == 0) { | |
| 344 u->err = "invalid port"; | |
| 345 return NGX_ERROR; | |
| 346 } | |
| 347 | |
| 348 break; | |
| 349 } | |
| 350 } | |
| 351 | |
| 352 if (u->port.data) { | |
| 353 | |
| 354 if (u->port.len == 0) { | |
| 355 u->port.len = &p[i] - u->port.data; | |
| 356 | |
| 357 if (u->port.len == 0) { | |
| 358 u->err = "invalid port"; | |
| 359 return NGX_ERROR; | |
| 360 } | |
| 361 } | |
| 362 | |
| 363 port = ngx_atoi(u->port.data, u->port.len); | |
| 364 | |
| 365 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 366 u->err = "invalid port"; | |
| 367 return NGX_ERROR; | |
| 368 } | |
| 369 | |
| 370 } else { | |
| 371 port = ngx_atoi(p, len); | |
| 372 | |
| 373 if (port == NGX_ERROR) { | |
| 374 u->default_port = 1; | |
| 375 u->host.len = len; | |
| 376 | |
| 377 goto port; | |
| 378 } | |
| 379 | |
| 380 u->port.len = len; | |
| 381 u->port.data = p; | |
| 382 u->wildcard = 1; | |
| 383 } | |
| 384 | |
| 385 u->portn = (in_port_t) port; | |
| 386 | |
| 387 port: | |
| 388 | |
| 389 if (u->listen) { | |
| 390 return NGX_OK; | |
| 391 } | |
| 392 | |
| 393 if (u->default_port) { | |
| 394 | |
| 395 if (u->upstream) { | |
| 396 return NGX_OK; | |
| 397 } | |
| 398 | |
| 399 if (u->default_portn == 0) { | |
| 400 u->err = "no port"; | |
| 401 return NGX_ERROR; | |
| 402 } | |
| 403 | |
| 404 u->portn = u->default_portn; | |
| 405 | |
| 406 u->port.data = ngx_palloc(cf->pool, sizeof("65536") - 1); | |
| 407 if (u->port.data == NULL) { | |
| 408 return NGX_ERROR; | |
| 409 } | |
| 410 | |
| 411 u->port.len = ngx_sprintf(u->port.data, "%d", u->portn) - u->port.data; | |
| 412 | |
| 413 } else if (u->portn) { | |
| 414 if (u->portn == u->default_portn) { | |
| 415 u->default_port = 1; | |
| 416 } | |
| 417 | |
| 418 } else { | |
| 419 u->err = "no port"; | |
| 420 return NGX_ERROR; | |
| 421 } | |
| 422 | |
| 423 if (u->host.len == 0) { | |
| 424 u->err = "no host"; | |
| 425 return NGX_ERROR; | |
| 426 } | |
| 427 | |
| 428 u->peers = ngx_inet_resolve_peer(cf, &u->host, u->portn); | |
| 429 | |
| 430 if (u->peers == NULL) { | |
| 431 return NGX_ERROR; | |
| 432 } | |
| 433 | |
| 434 if (u->peers == NGX_CONF_ERROR) { | |
| 435 u->err = "host not found"; | |
| 436 return NGX_ERROR; | |
| 437 } | |
| 438 | |
| 439 return NGX_OK; | |
| 440 } | |
| 441 | |
| 442 | |
| 443 ngx_peers_t * | |
| 444 ngx_inet_resolve_peer(ngx_conf_t *cf, ngx_str_t *name, in_port_t port) | |
| 445 { | |
| 446 u_char *host; | |
| 447 size_t len; | |
| 448 in_addr_t in_addr; | |
| 449 ngx_uint_t i; | |
| 450 ngx_peers_t *peers; | |
| 451 struct hostent *h; | |
| 452 struct sockaddr_in *sin; | |
| 453 | |
| 454 host = ngx_palloc(cf->temp_pool, name->len + 1); | |
| 455 if (host == NULL) { | |
| 456 return NULL; | |
| 457 } | |
| 458 | |
| 459 (void) ngx_cpystrn(host, name->data, name->len + 1); | |
| 460 | |
| 461 /* AF_INET only */ | |
| 462 | |
| 463 in_addr = inet_addr((char *) host); | |
| 464 | |
| 465 if (in_addr == INADDR_NONE) { | |
| 466 h = gethostbyname((char *) host); | |
| 467 | |
| 468 if (h == NULL || h->h_addr_list[0] == NULL) { | |
| 469 return NGX_CONF_ERROR; | |
| 470 } | |
| 471 | |
| 472 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
| 473 | |
| 474 /* MP: ngx_shared_palloc() */ | |
| 475 | |
| 476 peers = ngx_pcalloc(cf->pool, | |
| 477 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1)); | |
| 478 if (peers == NULL) { | |
| 479 return NULL; | |
| 480 } | |
| 481 | |
| 482 peers->number = i; | |
| 483 | |
| 484 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
| 485 | |
| 486 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
| 487 if (sin == NULL) { | |
| 488 return NULL; | |
| 489 } | |
| 490 | |
| 491 sin->sin_family = AF_INET; | |
| 492 sin->sin_port = htons(port); | |
| 493 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); | |
| 494 | |
| 495 peers->peer[i].sockaddr = (struct sockaddr *) sin; | |
| 496 peers->peer[i].socklen = sizeof(struct sockaddr_in); | |
| 497 | |
| 498 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1; | |
| 499 | |
| 500 peers->peer[i].name.data = ngx_palloc(cf->pool, len); | |
| 501 if (peers->peer[i].name.data == NULL) { | |
| 502 return NULL; | |
| 503 } | |
| 504 | |
| 505 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
| 506 peers->peer[i].name.data, len); | |
| 507 | |
| 508 peers->peer[i].name.len = | |
| 509 ngx_sprintf(&peers->peer[i].name.data[len], | |
| 510 ":%d", port) | |
| 511 - peers->peer[i].name.data; | |
| 512 | |
| 513 peers->peer[i].uri_separator = ""; | |
| 663 | 514 |
| 515 peers->peer[i].weight = NGX_CONF_UNSET_UINT; | |
| 516 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT; | |
| 517 peers->peer[i].fail_timeout = NGX_CONF_UNSET; | |
| 651 | 518 } |
| 519 | |
| 520 } else { | |
| 521 | |
| 522 /* MP: ngx_shared_palloc() */ | |
| 523 | |
| 524 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
| 525 if (peers == NULL) { | |
| 526 return NULL; | |
| 527 } | |
| 528 | |
| 529 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
| 530 if (sin == NULL) { | |
| 531 return NULL; | |
| 532 } | |
| 533 | |
| 534 peers->number = 1; | |
| 535 | |
| 536 sin->sin_family = AF_INET; | |
| 537 sin->sin_port = htons(port); | |
| 538 sin->sin_addr.s_addr = in_addr; | |
| 539 | |
| 540 peers->peer[0].sockaddr = (struct sockaddr *) sin; | |
| 541 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
| 542 | |
| 543 peers->peer[0].name.data = ngx_palloc(cf->pool, | |
| 544 name->len + sizeof(":65536") - 1); | |
| 545 if (peers->peer[0].name.data == NULL) { | |
| 546 return NULL; | |
| 547 } | |
| 548 | |
| 549 peers->peer[0].name.len = ngx_sprintf(peers->peer[0].name.data, "%V:%d", | |
| 550 name, port) | |
| 551 - peers->peer[0].name.data; | |
| 552 | |
| 553 peers->peer[0].uri_separator = ""; | |
| 554 } | |
| 555 | |
| 556 return peers; | |
| 557 } | |
| 558 | |
| 559 | |
| 509 | 560 ngx_peers_t * |
| 561 ngx_inet_upstream_parse(ngx_conf_t *cf, ngx_inet_upstream_t *u) | |
|
425
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Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
562 { |
| 479 | 563 char *err; |
| 564 u_char *host; | |
| 517 | 565 size_t len; |
| 479 | 566 in_addr_t in_addr; |
| 517 | 567 ngx_uint_t i; |
| 479 | 568 ngx_peers_t *peers; |
| 569 struct hostent *h; | |
| 570 struct sockaddr_in *sin; | |
| 571 | |
| 572 err = ngx_inet_parse_host_port(u); | |
| 573 | |
| 574 if (err) { | |
| 575 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 576 "%s in upstream \"%V\"", err, &u->name); | |
| 577 return NULL; | |
| 578 } | |
| 579 | |
| 580 if (u->default_port) { | |
| 651 | 581 |
| 479 | 582 if (u->default_port_value == 0) { |
| 583 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 584 "no port in upstream \"%V\"", &u->name); | |
| 585 return NULL; | |
| 586 } | |
| 587 | |
| 588 u->port = u->default_port_value; | |
| 589 | |
| 501 | 590 u->port_text.data = ngx_palloc(cf->pool, sizeof("65536") - 1); |
| 591 if (u->port_text.data == NULL) { | |
| 479 | 592 return NULL; |
| 593 } | |
| 594 | |
| 595 u->port_text.len = ngx_sprintf(u->port_text.data, "%d", | |
| 596 u->default_port_value) | |
| 597 - u->port_text.data; | |
| 598 | |
| 599 } else if (u->port) { | |
| 600 if (u->port == u->default_port_value) { | |
| 601 u->default_port = 1; | |
| 602 } | |
| 603 | |
| 604 } else { | |
| 605 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 606 "no port in upstream \"%V\"", &u->name); | |
| 607 return NULL; | |
| 608 } | |
| 609 | |
| 610 if (u->host.len == 0) { | |
| 611 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 612 "no host in upstream \"%V\"", &u->name); | |
| 613 return NULL; | |
| 614 } | |
| 615 | |
| 616 u->port = htons(u->port); | |
| 617 | |
| 651 | 618 host = ngx_palloc(cf->temp_pool, u->host.len + 1); |
| 501 | 619 if (host == NULL) { |
| 479 | 620 return NULL; |
| 621 } | |
| 622 | |
| 517 | 623 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
| 479 | 624 |
| 625 /* AF_INET only */ | |
| 626 | |
| 627 in_addr = inet_addr((char *) host); | |
| 628 | |
| 629 if (in_addr == INADDR_NONE) { | |
| 630 h = gethostbyname((char *) host); | |
| 631 | |
| 632 if (h == NULL || h->h_addr_list[0] == NULL) { | |
| 633 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 634 "host %s is not found in upstream \"%V\"", | |
| 635 host, &u->name); | |
| 636 return NULL; | |
| 637 } | |
| 638 | |
| 639 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
| 640 | |
| 641 /* MP: ngx_shared_palloc() */ | |
| 642 | |
| 643 peers = ngx_pcalloc(cf->pool, | |
| 644 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1)); | |
| 645 if (peers == NULL) { | |
| 646 return NULL; | |
| 647 } | |
| 648 | |
| 649 peers->number = i; | |
| 650 | |
| 651 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
| 652 | |
| 501 | 653 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
| 654 if (sin == NULL) { | |
| 479 | 655 return NULL; |
| 656 } | |
| 657 | |
| 658 sin->sin_family = AF_INET; | |
| 659 sin->sin_port = u->port; | |
| 487 | 660 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
| 479 | 661 |
| 662 peers->peer[i].sockaddr = (struct sockaddr *) sin; | |
| 663 peers->peer[i].socklen = sizeof(struct sockaddr_in); | |
| 664 | |
| 665 len = INET_ADDRSTRLEN - 1 + 1 + u->port_text.len; | |
| 577 | 666 |
| 501 | 667 peers->peer[i].name.data = ngx_palloc(cf->pool, len); |
| 668 if (peers->peer[i].name.data == NULL) { | |
| 479 | 669 return NULL; |
| 670 } | |
| 671 | |
| 672 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
| 673 peers->peer[i].name.data, len); | |
| 674 | |
| 675 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
|
676 |
| 479 | 677 ngx_memcpy(peers->peer[i].name.data + len, |
| 678 u->port_text.data, u->port_text.len); | |
| 679 | |
| 680 peers->peer[i].name.len = len + u->port_text.len; | |
| 681 | |
| 682 peers->peer[i].uri_separator = ""; | |
| 663 | 683 |
| 684 peers->peer[i].weight = NGX_CONF_UNSET_UINT; | |
| 685 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT; | |
| 686 peers->peer[i].fail_timeout = NGX_CONF_UNSET; | |
| 479 | 687 } |
| 688 | |
| 689 } else { | |
| 690 | |
| 691 /* MP: ngx_shared_palloc() */ | |
| 692 | |
| 501 | 693 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); |
| 694 if (peers == NULL) { | |
| 479 | 695 return NULL; |
| 696 } | |
| 697 | |
| 501 | 698 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
| 699 if (sin == NULL) { | |
| 479 | 700 return NULL; |
| 701 } | |
| 702 | |
| 703 peers->number = 1; | |
| 704 | |
| 705 sin->sin_family = AF_INET; | |
| 706 sin->sin_port = u->port; | |
| 707 sin->sin_addr.s_addr = in_addr; | |
| 708 | |
| 709 peers->peer[0].sockaddr = (struct sockaddr *) sin; | |
| 710 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
| 711 | |
| 712 len = u->host.len + 1 + u->port_text.len; | |
| 713 | |
| 714 peers->peer[0].name.len = len; | |
| 715 | |
| 501 | 716 peers->peer[0].name.data = ngx_palloc(cf->pool, len); |
| 717 if (peers->peer[0].name.data == NULL) { | |
| 479 | 718 return NULL; |
| 719 } | |
| 720 | |
| 721 len = u->host.len; | |
| 722 | |
| 723 ngx_memcpy(peers->peer[0].name.data, u->host.data, len); | |
| 724 | |
| 725 peers->peer[0].name.data[len++] = ':'; | |
| 726 | |
| 727 ngx_memcpy(peers->peer[0].name.data + len, | |
| 728 u->port_text.data, u->port_text.len); | |
| 729 | |
| 730 peers->peer[0].uri_separator = ""; | |
| 731 } | |
| 732 | |
| 733 return peers; | |
| 734 } | |
| 735 | |
| 736 | |
| 509 | 737 char * |
| 738 ngx_inet_parse_host_port(ngx_inet_upstream_t *u) | |
| 479 | 739 { |
| 740 size_t i; | |
| 741 ngx_int_t port; | |
| 742 ngx_str_t *url; | |
| 743 | |
| 744 url = &u->url; | |
| 745 | |
| 746 if (u->port_only) { | |
| 747 i = 0; | |
| 748 | |
| 749 } else { | |
| 750 if (url->data[0] == ':' || url->data[0] == '/') { | |
| 751 return "invalid host"; | |
| 752 } | |
| 753 | |
| 754 i = 1; | |
| 755 } | |
| 756 | |
| 757 u->host.data = url->data; | |
| 758 u->host_header = *url; | |
| 759 | |
| 515 | 760 for ( /* void */ ; i < url->len; i++) { |
| 479 | 761 |
| 762 if (url->data[i] == ':') { | |
| 763 u->port_text.data = &url->data[i] + 1; | |
| 764 u->host.len = i; | |
| 765 | |
| 766 if (!u->uri_part) { | |
| 767 u->port_text.len = &url->data[url->len] - u->port_text.data; | |
| 768 break; | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 if (url->data[i] == '/') { | |
| 773 u->uri.data = &url->data[i]; | |
| 774 u->uri.len = url->len - i; | |
| 775 u->host_header.len = i; | |
| 776 | |
| 777 if (u->host.len == 0) { | |
| 778 u->host.len = i; | |
| 779 } | |
| 780 | |
| 781 if (u->port_text.data == NULL) { | |
| 782 u->default_port = 1; | |
| 783 return NULL; | |
| 784 } | |
| 785 | |
| 786 u->port_text.len = &url->data[i] - u->port_text.data; | |
| 787 | |
| 788 if (u->port_text.len == 0) { | |
| 789 return "invalid port"; | |
| 790 } | |
| 791 | |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
792 break; |
|
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 } |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
795 |
| 569 | 796 if (u->port_text.data) { |
| 797 | |
| 798 if (u->port_text.len == 0) { | |
| 799 u->port_text.len = &url->data[i] - u->port_text.data; | |
| 800 | |
| 801 if (u->port_text.len == 0) { | |
| 802 return "invalid port"; | |
| 803 } | |
| 804 } | |
| 805 | |
| 806 port = ngx_atoi(u->port_text.data, u->port_text.len); | |
| 807 | |
| 808 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 809 return "invalid port"; | |
| 810 } | |
| 811 | |
| 812 } else { | |
| 479 | 813 port = ngx_atoi(url->data, url->len); |
| 814 | |
| 815 if (port == NGX_ERROR) { | |
| 816 u->default_port = 1; | |
| 817 u->host.len = url->len; | |
| 818 | |
| 819 return NULL; | |
| 820 } | |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
821 |
| 479 | 822 u->port_text = *url; |
| 823 u->wildcard = 1; | |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
824 } |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
825 |
| 479 | 826 u->port = (in_port_t) port; |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
827 |
| 479 | 828 return NULL; |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
829 } |