Mercurial > hg > nginx

annotate src/core/ngx_parse.c @ 7682:2ab0ecfe5a5f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
release-1.19.1 tag
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 07 Jul 2020 18:56:06 +0300
parents 87cf6ddb41c2
children
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
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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
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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6
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
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7
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 #include <ngx_config.h>
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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9 #include <ngx_core.h>
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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10
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
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11
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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12 ssize_t
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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13 ngx_parse_size(ngx_str_t *line)
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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14 {
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15 u_char unit;
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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
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18
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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19 len = line->len;
6917
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
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20
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
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21 if (len == 0) {
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22 return NGX_ERROR;
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23 }
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24
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25 unit = line->data[len - 1];
157
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26
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27 switch (unit) {
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70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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28 case 'K':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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29 case 'k':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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30 len--;
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31 max = NGX_MAX_SIZE_T_VALUE / 1024;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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32 scale = 1024;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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33 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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34
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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35 case 'M':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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36 case 'm':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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37 len--;
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38 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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39 scale = 1024 * 1024;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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40 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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41
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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42 default:
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43 max = NGX_MAX_SIZE_T_VALUE;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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44 scale = 1;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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45 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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46
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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47 size = ngx_atosz(line->data, len);
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48 if (size == NGX_ERROR || size > max) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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49 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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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>
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52 size *= scale;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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53
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
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54 return size;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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55 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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56
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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57
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
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58 off_t
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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59 ngx_parse_offset(ngx_str_t *line)
6d5c1535bb9d nginx-0.3.53-RELEASE import
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parents: 651
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60 {
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61 u_char unit;
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62 off_t offset, scale, max;
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63 size_t len;
663
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64
6d5c1535bb9d nginx-0.3.53-RELEASE import
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65 len = line->len;
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parents: 6287
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66
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
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67 if (len == 0) {
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
diff changeset
68 return NGX_ERROR;
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
diff changeset
69 }
87cf6ddb41c2 Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6287
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70
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71 unit = line->data[len - 1];
663
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72
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73 switch (unit) {
663
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74 case 'K':
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Igor Sysoev <igor@sysoev.ru>
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diff changeset
75 case 'k':
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76 len--;
6009
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Ruslan Ermilov <ru@nginx.com>
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77 max = NGX_MAX_OFF_T_VALUE / 1024;
663
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parents: 651
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78 scale = 1024;
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79 break;
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80
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
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81 case 'M':
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Igor Sysoev <igor@sysoev.ru>
parents: 651
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82 case 'm':
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83 len--;
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84 max = NGX_MAX_OFF_T_VALUE / (1024 * 1024);
663
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85 scale = 1024 * 1024;
6d5c1535bb9d nginx-0.3.53-RELEASE import
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86 break;
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87
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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88 case 'G':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
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89 case 'g':
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
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90 len--;
6009
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91 max = NGX_MAX_OFF_T_VALUE / (1024 * 1024 * 1024);
663
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92 scale = 1024 * 1024 * 1024;
6d5c1535bb9d nginx-0.3.53-RELEASE import
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93 break;
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94
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95 default:
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96 max = NGX_MAX_OFF_T_VALUE;
663
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97 scale = 1;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 651
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98 }
6d5c1535bb9d nginx-0.3.53-RELEASE import
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99
6d5c1535bb9d nginx-0.3.53-RELEASE import
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100 offset = ngx_atoof(line->data, len);
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101 if (offset == NGX_ERROR || offset > max) {
663
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102 return NGX_ERROR;
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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103 }
6d5c1535bb9d nginx-0.3.53-RELEASE import
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104
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Igor Sysoev <igor@sysoev.ru>
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105 offset *= scale;
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106
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107 return offset;
6d5c1535bb9d nginx-0.3.53-RELEASE import
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parents: 651
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108 }
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109
6d5c1535bb9d nginx-0.3.53-RELEASE import
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110
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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111 ngx_int_t
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
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112 ngx_parse_time(ngx_str_t *line, ngx_uint_t is_sec)
157
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parents:
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113 {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
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114 u_char *p, *last;
651
39b7d7b33c91 nginx-0.3.47-RELEASE import
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115 ngx_int_t value, total, scale;
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116 ngx_int_t max, cutoff, cutlim;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
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117 ngx_uint_t valid;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
diff changeset
118 enum {
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 st_start = 0,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 st_year,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 st_month,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 st_week,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 st_day,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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124 st_hour,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 st_min,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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126 st_sec,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 st_msec,
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 st_last
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 } step;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
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130
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
131 valid = 0;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
132 value = 0;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 total = 0;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
134 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
135 cutlim = NGX_MAX_INT_T_VALUE % 10;
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
136 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
137
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
138 p = line->data;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
139 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
140
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
141 while (p < last) {
157
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 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
144 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
145 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
146 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
147
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
148 value = value * 10 + (*p++ - '0');
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
149 valid = 1;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
150 continue;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
153 switch (*p++) {
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 case 'y':
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 if (step > st_start) {
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 step = st_year;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
160 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
161 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
162 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 case 'M':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
165 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
166 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 step = st_month;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
169 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
170 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
171 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 case 'w':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
174 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
175 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 step = st_week;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
178 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
179 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
180 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 case 'd':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
183 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
184 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 step = st_day;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
187 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
188 scale = 60 * 60 * 24;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 case 'h':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
192 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
193 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 step = st_hour;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
196 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
197 scale = 60 * 60;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 case 'm':
6287
4ccb37b04454 Fixed ngx_parse_time() out of bounds access (ticket #821).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6011
diff changeset
201 if (p < last && *p == 's') {
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
202 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
203 return NGX_ERROR;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
204 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
205 p++;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
206 step = st_msec;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
207 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
208 scale = 1;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
209 break;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
210 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
211
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
212 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
213 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 step = st_min;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
216 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
217 scale = 60;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 case 's':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
221 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
222 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 step = st_sec;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
225 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
226 scale = 1;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 break;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
229 case ' ':
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
230 if (step >= st_sec) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
231 return NGX_ERROR;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
232 }
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 step = st_last;
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
234 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
235 scale = 1;
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
236 break;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
238 default:
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 return NGX_ERROR;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241
4183
c352c483263c Improved ngx_parse_time() code readability.
Ruslan Ermilov <ru@nginx.com>
parents: 1972
diff changeset
242 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
243 scale *= 1000;
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 max /= 1000;
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 if (value > max) {
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
248 return NGX_ERROR;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
251 value *= scale;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
253 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
254 return NGX_ERROR;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
257 total += value;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
258
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
259 value = 0;
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
260
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
261 while (p < last && *p == ' ') {
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
262 p++;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264 }
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
266 if (!valid) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
267 return NGX_ERROR;
1972
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
268 }
9d2bdbda4ee3 allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1971
diff changeset
269
6011
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
270 if (!is_sec) {
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
271 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
272 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
273 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
274
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
275 value *= 1000;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
276 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
277
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
278 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
279 return NGX_ERROR;
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
280 }
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
281
429a8c65f0a7 Core: overflow detection in ngx_parse_time() (ticket #732).
Ruslan Ermilov <ru@nginx.com>
parents: 6010
diff changeset
282 return total + value;
157
70b36c805682 nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283 }