Mercurial > hg > nginx-quic
annotate src/http/ngx_http_parse_time.c @ 6359:dac6eda40475 stable-1.8
Resolver: fixed use-after-free memory accesses with CNAME.
When several requests were waiting for a response, then after getting
a CNAME response only the last request's context had the name updated.
Contexts of other requests had the wrong name. This name was used by
ngx_resolve_name_done() to find the node to remove the request context
from. When the name was wrong, the request could not be properly
cancelled, its context was freed but stayed linked to the node's waiting
list. This happened e.g. when the first request was aborted or timed
out before the resolving completed. When it completed, this triggered
a use-after-free memory access by calling ctx->handler of already freed
request context. The bug manifests itself by
"could not cancel <name> resolving" alerts in error_log.
When a request was responded with a CNAME, the request context kept
the pointer to the original node's rn->u.cname. If the original node
expired before the resolving timed out or completed with an error,
this would trigger a use-after-free memory access via ctx->name in
ctx->handler().
The fix is to keep ctx->name unmodified. The name from context
is no longer used by ngx_resolve_name_done(). Instead, we now keep
the pointer to resolver node to which this request is linked.
Keeping the original name intact also improves logging.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Tue, 26 Jan 2016 16:46:59 +0300 |
parents | 4c36e15651f7 |
children |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
3207
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13 static ngx_uint_t mday[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; |
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14 |
1628 | 15 time_t |
16 ngx_http_parse_time(u_char *value, size_t len) | |
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17 { |
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18 u_char *p, *end; |
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19 ngx_int_t month; |
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20 ngx_uint_t day, year, hour, min, sec; |
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ngx_http_parse_time() should support full 32-bit time
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21 uint64_t time; |
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22 enum { |
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23 no = 0, |
684 | 24 rfc822, /* Tue, 10 Nov 2002 23:50:13 */ |
25
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25 rfc850, /* Tuesday, 10-Dec-02 23:50:13 */ |
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26 isoc /* Tue Dec 10 23:50:13 2002 */ |
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27 } fmt; |
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28 |
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29 fmt = 0; |
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30 end = value + len; |
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31 |
57
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32 #if (NGX_SUPPRESS_WARN) |
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33 day = 32; |
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34 year = 2038; |
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35 #endif |
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36 |
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37 for (p = value; p < end; p++) { |
44
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38 if (*p == ',') { |
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39 break; |
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40 } |
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41 |
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42 if (*p == ' ') { |
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43 fmt = isoc; |
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44 break; |
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45 } |
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46 } |
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47 |
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48 for (p++; p < end; p++) |
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49 if (*p != ' ') { |
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50 break; |
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51 } |
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52 |
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53 if (end - p < 18) { |
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54 return NGX_ERROR; |
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55 } |
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56 |
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57 if (fmt != isoc) { |
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58 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
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59 return NGX_ERROR; |
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60 } |
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61 |
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62 day = (*p - '0') * 10 + *(p + 1) - '0'; |
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63 p += 2; |
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64 |
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65 if (*p == ' ') { |
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66 if (end - p < 18) { |
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67 return NGX_ERROR; |
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68 } |
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69 fmt = rfc822; |
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70 |
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71 } else if (*p == '-') { |
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72 fmt = rfc850; |
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73 |
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74 } else { |
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75 return NGX_ERROR; |
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76 } |
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77 |
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78 p++; |
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79 } |
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80 |
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81 switch (*p) { |
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82 |
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83 case 'J': |
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84 month = *(p + 1) == 'a' ? 0 : *(p + 2) == 'n' ? 5 : 6; |
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85 break; |
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86 |
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87 case 'F': |
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88 month = 1; |
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89 break; |
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90 |
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91 case 'M': |
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92 month = *(p + 2) == 'r' ? 2 : 4; |
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93 break; |
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94 |
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95 case 'A': |
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96 month = *(p + 1) == 'p' ? 3 : 7; |
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97 break; |
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98 |
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99 case 'S': |
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100 month = 8; |
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101 break; |
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102 |
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103 case 'O': |
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nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
104 month = 9; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
105 break; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
106 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
107 case 'N': |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
108 month = 10; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
109 break; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
110 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
111 case 'D': |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
112 month = 11; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
113 break; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
114 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
115 default: |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
116 return NGX_ERROR; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
117 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
118 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
119 p += 3; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
120 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
121 if ((fmt == rfc822 && *p != ' ') || (fmt == rfc850 && *p != '-')) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
122 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
123 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
124 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
125 p++; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
127 if (fmt == rfc822) { |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
128 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
129 || *(p + 2) < '0' || *(p + 2) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
130 || *(p + 3) < '0' || *(p + 3) > '9') |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
131 { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
132 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
133 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
134 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
135 year = (*p - '0') * 1000 + (*(p + 1) - '0') * 100 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
136 + (*(p + 2) - '0') * 10 + *(p + 3) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
137 p += 4; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
139 } else if (fmt == rfc850) { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
140 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
141 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
142 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
143 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
144 year = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
145 year += (year < 70) ? 2000 : 1900; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
146 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
147 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
148 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
149 if (fmt == isoc) { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
150 if (*p == ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
151 p++; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
152 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
153 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
154 if (*p < '0' || *p > '9') { |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
156 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
158 day = *p++ - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
159 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
160 if (*p != ' ') { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
161 if (*p < '0' || *p > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
162 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
163 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
164 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
165 day = day * 10 + *p++ - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
166 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
167 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
168 if (end - p < 14) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
169 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
170 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
171 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
172 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
173 if (*p++ != ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
174 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
175 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
176 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
177 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
178 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
179 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
180 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
181 hour = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
182 p += 2; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
184 if (*p++ != ':') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
185 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
186 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
187 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
188 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
189 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
190 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
191 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
192 min = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
193 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
194 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
195 if (*p++ != ':') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
196 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
197 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
199 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
200 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
201 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
202 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
203 sec = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
204 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
205 if (fmt == isoc) { |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
206 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
207 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
208 if (*p++ != ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
209 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
210 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
211 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
212 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
213 || *(p + 2) < '0' || *(p + 2) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
214 || *(p + 3) < '0' || *(p + 3) > '9') |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
215 { |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
217 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
219 year = (*p - '0') * 1000 + (*(p + 1) - '0') * 100 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
220 + (*(p + 2) - '0') * 10 + *(p + 3) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
221 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
222 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
223 if (hour > 23 || min > 59 || sec > 59) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
224 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
225 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
226 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
227 if (day == 29 && month == 1) { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
228 if ((year & 3) || ((year % 100 == 0) && (year % 400) != 0)) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
229 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
230 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
231 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
25
diff
changeset
|
232 } else if (day > mday[month]) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
233 return NGX_ERROR; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
234 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
235 |
181
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
236 /* |
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
237 * shift new year to March 1 and start months from 1 (not 0), |
1964 | 238 * it is needed for Gauss' formula |
181
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
239 */ |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
240 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
241 if (--month <= 0) { |
1062 | 242 month += 12; |
243 year -= 1; | |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
244 } |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
245 |
4499
778ef9c3fd2d
Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
246 /* Gauss' formula for Gregorian days since March 1, 1 BC */ |
1964 | 247 |
3208
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
248 time = (uint64_t) ( |
1964 | 249 /* days in years including leap years since March 1, 1 BC */ |
250 | |
251 365 * year + year / 4 - year / 100 + year / 400 | |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
252 |
1964 | 253 /* days before the month */ |
254 | |
255 + 367 * month / 12 - 30 | |
256 | |
257 /* days before the day */ | |
258 | |
259 + day - 1 | |
181
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
260 |
479 | 261 /* |
262 * 719527 days were between March 1, 1 BC and March 1, 1970, | |
1062 | 263 * 31 and 28 days were in January and February 1970 |
479 | 264 */ |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
265 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
25
diff
changeset
|
266 - 719527 + 31 + 28) * 86400 + hour * 3600 + min * 60 + sec; |
3208
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
267 |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
268 #if (NGX_TIME_T_SIZE <= 4) |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
269 |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
270 if (time > 0x7fffffff) { |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
271 return NGX_ERROR; |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
272 } |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
273 |
8cec9724fe71
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Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
274 #endif |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
275 |
8cec9724fe71
ngx_http_parse_time() should support full 32-bit time
Igor Sysoev <igor@sysoev.ru>
parents:
3207
diff
changeset
|
276 return (time_t) time; |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
277 } |