Mercurial > hg > nginx

annotate src/core/ngx_parse.c @ 6272:b6a665bf858a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
HTTP/2: fix indirect reprioritization. Previously, streams that were indirectly reprioritized (either because of a new exclusive dependency on their parent or because of removal of their parent from the dependency tree), didn't have their pointer to the parent node updated. This broke detection of circular dependencies and, as a result, nginx worker would crash due to stack overflow whenever such dependency was introduced. Found with afl-fuzz. Signed-off-by: Piotr Sikora <piotrsikora@google.com>
author Piotr Sikora <piotrsikora@google.com>
date Thu, 01 Oct 2015 20:25:55 -0700
parents 429a8c65f0a7
children 4ccb37b04454
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4183
diff changeset
4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
6
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
12 ssize_t
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
13 ngx_parse_size(ngx_str_t *line)
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
14 {
6009
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Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
15 u_char unit;
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Ruslan Ermilov <ru@nginx.com>
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16 size_t len;
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17 ssize_t size, scale, max;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
18
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
19 len = line->len;
1971
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parents: 663
diff changeset
20 unit = line->data[len - 1];
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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21
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parents: 663
diff changeset
22 switch (unit) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
23 case 'K':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
24 case 'k':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
25 len--;
6009
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
26 max = NGX_MAX_SIZE_T_VALUE / 1024;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
27 scale = 1024;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
diff changeset
28 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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29
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
30 case 'M':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
31 case 'm':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
32 len--;
6009
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33 max = NGX_MAX_SIZE_T_VALUE / (1024 * 1024);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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34 scale = 1024 * 1024;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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35 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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36
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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37 default:
6009
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parents: 4412
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38 max = NGX_MAX_SIZE_T_VALUE;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
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39 scale = 1;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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40 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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41
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
42 size = ngx_atosz(line->data, len);
6009
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parents: 4412
diff changeset
43 if (size == NGX_ERROR || size > max) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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44 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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45 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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46
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
47 size *= scale;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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48
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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49 return size;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
50 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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51
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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52
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
53 off_t
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
54 ngx_parse_offset(ngx_str_t *line)
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
55 {
6009
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Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
56 u_char unit;
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Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
57 off_t offset, scale, max;
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
58 size_t len;
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
59
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
60 len = line->len;
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Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
61 unit = line->data[len - 1];
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
62
1971
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Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
63 switch (unit) {
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
64 case 'K':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
65 case 'k':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
66 len--;
6009
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
67 max = NGX_MAX_OFF_T_VALUE / 1024;
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
68 scale = 1024;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
69 break;
6d5c1535bb9d nginx-0.3.53-RELEASE import
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parents: 651
diff changeset
70
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
71 case 'M':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
72 case 'm':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
73 len--;
6009
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
74 max = NGX_MAX_OFF_T_VALUE / (1024 * 1024);
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
75 scale = 1024 * 1024;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
76 break;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
77
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
78 case 'G':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
79 case 'g':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
80 len--;
6009
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
81 max = NGX_MAX_OFF_T_VALUE / (1024 * 1024 * 1024);
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
82 scale = 1024 * 1024 * 1024;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
83 break;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
84
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
85 default:
6009
15a15f6ae3a2 Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
86 max = NGX_MAX_OFF_T_VALUE;
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
87 scale = 1;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
88 }
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
89
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
90 offset = ngx_atoof(line->data, len);
6009
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parents: 4412
diff changeset
91 if (offset == NGX_ERROR || offset > max) {
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
92 return NGX_ERROR;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
93 }
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
94
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
95 offset *= scale;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
96
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
97 return offset;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
98 }
6d5c1535bb9d nginx-0.3.53-RELEASE import
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parents: 651
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99
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
diff changeset
100
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
101 ngx_int_t
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
102 ngx_parse_time(ngx_str_t *line, ngx_uint_t is_sec)
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
103 {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
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diff changeset
104 u_char *p, *last;
651
39b7d7b33c91 nginx-0.3.47-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
105 ngx_int_t value, total, scale;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
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parents: 6010
diff changeset
106 ngx_int_t max, cutoff, cutlim;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
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parents: 6010
diff changeset
107 ngx_uint_t valid;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108 enum {
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 st_start = 0,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110 st_year,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 st_month,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 st_week,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113 st_day,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
114 st_hour,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
115 st_min,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
116 st_sec,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117 st_msec,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 st_last
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 } step;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
121 valid = 0;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
122 value = 0;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 total = 0;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
124 cutoff = NGX_MAX_INT_T_VALUE / 10;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
125 cutlim = NGX_MAX_INT_T_VALUE % 10;
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
126 step = is_sec ? st_start : st_month;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
128 p = line->data;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
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parents: 1971
diff changeset
129 last = p + line->len;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
131 while (p < last) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
133 if (*p >= '0' && *p <= '9') {
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
134 if (value >= cutoff && (value > cutoff || *p - '0' > cutlim)) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
135 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
136 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
137
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
138 value = value * 10 + (*p++ - '0');
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
139 valid = 1;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
140 continue;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
143 switch (*p++) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 case 'y':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 if (step > st_start) {
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 step = st_year;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
150 max = NGX_MAX_INT_T_VALUE / (60 * 60 * 24 * 365);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 scale = 60 * 60 * 24 * 365;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 case 'M':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
155 if (step >= st_month) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 step = st_month;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
159 max = NGX_MAX_INT_T_VALUE / (60 * 60 * 24 * 30);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 scale = 60 * 60 * 24 * 30;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 case 'w':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
164 if (step >= st_week) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 step = st_week;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
168 max = NGX_MAX_INT_T_VALUE / (60 * 60 * 24 * 7);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 scale = 60 * 60 * 24 * 7;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 case 'd':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
173 if (step >= st_day) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 step = st_day;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
177 max = NGX_MAX_INT_T_VALUE / (60 * 60 * 24);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 scale = 60 * 60 * 24;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 case 'h':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
182 if (step >= st_hour) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 step = st_hour;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
186 max = NGX_MAX_INT_T_VALUE / (60 * 60);
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 scale = 60 * 60;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 case 'm':
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
191 if (*p == 's') {
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
192 if (is_sec || step >= st_msec) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
193 return NGX_ERROR;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
194 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
195 p++;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
196 step = st_msec;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
197 max = NGX_MAX_INT_T_VALUE;
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
198 scale = 1;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
199 break;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
200 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
201
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
202 if (step >= st_min) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 step = st_min;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
206 max = NGX_MAX_INT_T_VALUE / 60;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 scale = 60;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 case 's':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
211 if (step >= st_sec) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 step = st_sec;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
215 max = NGX_MAX_INT_T_VALUE;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 scale = 1;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
219 case ' ':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
220 if (step >= st_sec) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
221 return NGX_ERROR;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
222 }
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 step = st_last;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
224 max = NGX_MAX_INT_T_VALUE;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 scale = 1;
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
226 break;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
228 default:
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
232 if (step != st_msec && !is_sec) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 scale *= 1000;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 max /= 1000;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
237 if (value > max) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
238 return NGX_ERROR;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
241 value *= scale;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
243 if (total > NGX_MAX_INT_T_VALUE - value) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
244 return NGX_ERROR;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
247 total += value;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
248
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
249 value = 0;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
250
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
251 while (p < last && *p == ' ') {
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
252 p++;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
256 if (!valid) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
257 return NGX_ERROR;
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
258 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
259
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
260 if (!is_sec) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
261 if (value > NGX_MAX_INT_T_VALUE / 1000) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
262 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
263 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
264
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
265 value *= 1000;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
266 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
267
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
268 if (total > NGX_MAX_INT_T_VALUE - value) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
269 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
270 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
271
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
272 return total + value;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 }