|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
112
|
11 ssize_t
|
|
|
12 ngx_parse_size(ngx_str_t *line)
|
|
0
|
13 {
|
|
|
14 u_char last;
|
|
|
15 size_t len;
|
|
112
|
16 ssize_t size;
|
|
|
17 ngx_int_t scale;
|
|
0
|
18
|
|
|
19 len = line->len;
|
|
|
20 last = line->data[len - 1];
|
|
|
21
|
|
|
22 switch (last) {
|
|
|
23 case 'K':
|
|
|
24 case 'k':
|
|
|
25 len--;
|
|
|
26 scale = 1024;
|
|
|
27 break;
|
|
|
28
|
|
|
29 case 'M':
|
|
|
30 case 'm':
|
|
|
31 len--;
|
|
|
32 scale = 1024 * 1024;
|
|
|
33 break;
|
|
|
34
|
|
|
35 default:
|
|
|
36 scale = 1;
|
|
|
37 }
|
|
|
38
|
|
112
|
39 size = ngx_atosz(line->data, len);
|
|
0
|
40 if (size == NGX_ERROR) {
|
|
|
41 return NGX_ERROR;
|
|
|
42 }
|
|
|
43
|
|
|
44 size *= scale;
|
|
|
45
|
|
|
46 return size;
|
|
|
47 }
|
|
|
48
|
|
|
49
|
|
112
|
50 ngx_int_t
|
|
|
51 ngx_parse_time(ngx_str_t *line, ngx_int_t sec)
|
|
0
|
52 {
|
|
200
|
53 size_t len;
|
|
|
54 u_char *start, last;
|
|
|
55 ngx_int_t value, total, scale;
|
|
|
56 ngx_uint_t max, i;
|
|
0
|
57 enum {
|
|
|
58 st_start = 0,
|
|
|
59 st_year,
|
|
|
60 st_month,
|
|
|
61 st_week,
|
|
|
62 st_day,
|
|
|
63 st_hour,
|
|
|
64 st_min,
|
|
|
65 st_sec,
|
|
|
66 st_msec,
|
|
|
67 st_last
|
|
|
68 } step;
|
|
|
69
|
|
|
70
|
|
|
71 start = line->data;
|
|
|
72 len = 0;
|
|
|
73 total = 0;
|
|
|
74 step = sec ? st_start : st_month;
|
|
|
75
|
|
|
76 for (i = 0; /* void */ ; i++) {
|
|
|
77
|
|
|
78 if (i < line->len) {
|
|
|
79 if (line->data[i] != ' ') {
|
|
|
80 len++;
|
|
|
81 continue;
|
|
|
82 }
|
|
|
83
|
|
|
84 if (line->data[i] == ' ' && len == 0) {
|
|
|
85 start = &line->data[i + 1];
|
|
|
86 continue;
|
|
|
87 }
|
|
|
88 }
|
|
|
89
|
|
|
90 if (len == 0) {
|
|
|
91 break;
|
|
|
92 }
|
|
|
93
|
|
|
94 last = line->data[i - 1];
|
|
|
95
|
|
|
96 switch (last) {
|
|
|
97 case 'y':
|
|
|
98 if (step > st_start) {
|
|
|
99 return NGX_ERROR;
|
|
|
100 }
|
|
|
101 step = st_year;
|
|
|
102 len--;
|
|
|
103 max = 68;
|
|
|
104 scale = 60 * 60 * 24 * 365;
|
|
|
105 break;
|
|
|
106
|
|
|
107 case 'M':
|
|
|
108 if (step > st_year) {
|
|
|
109 return NGX_ERROR;
|
|
|
110 }
|
|
|
111 step = st_month;
|
|
|
112 len--;
|
|
|
113 max = 828;
|
|
|
114 scale = 60 * 60 * 24 * 30;
|
|
|
115 break;
|
|
|
116
|
|
|
117 case 'w':
|
|
|
118 if (step > st_month) {
|
|
|
119 return NGX_ERROR;
|
|
|
120 }
|
|
|
121 step = st_week;
|
|
|
122 len--;
|
|
|
123 max = 3550;
|
|
|
124 scale = 60 * 60 * 24 * 7;
|
|
|
125 break;
|
|
|
126
|
|
|
127 case 'd':
|
|
|
128 if (step > st_week) {
|
|
|
129 return NGX_ERROR;
|
|
|
130 }
|
|
|
131 step = st_day;
|
|
|
132 len--;
|
|
|
133 max = 24855;
|
|
|
134 scale = 60 * 60 * 24;
|
|
|
135 break;
|
|
|
136
|
|
|
137 case 'h':
|
|
|
138 if (step > st_day) {
|
|
|
139 return NGX_ERROR;
|
|
|
140 }
|
|
|
141 step = st_hour;
|
|
|
142 len--;
|
|
|
143 max = 596523;
|
|
|
144 scale = 60 * 60;
|
|
|
145 break;
|
|
|
146
|
|
|
147 case 'm':
|
|
|
148 if (step > st_hour) {
|
|
|
149 return NGX_ERROR;
|
|
|
150 }
|
|
|
151 step = st_min;
|
|
|
152 len--;
|
|
|
153 max = 35791394;
|
|
|
154 scale = 60;
|
|
|
155 break;
|
|
|
156
|
|
|
157 case 's':
|
|
|
158 len--;
|
|
|
159
|
|
|
160 if (line->data[i - 2] == 'm') {
|
|
|
161 if (sec || step > st_sec) {
|
|
|
162 return NGX_ERROR;
|
|
|
163 }
|
|
|
164 step = st_msec;
|
|
|
165 len--;
|
|
|
166 max = 2147483647;
|
|
|
167 scale = 1;
|
|
|
168 break;
|
|
|
169 }
|
|
|
170
|
|
|
171 if (step > st_min) {
|
|
|
172 return NGX_ERROR;
|
|
|
173 }
|
|
|
174
|
|
|
175 step = st_sec;
|
|
|
176 max = 2147483647;
|
|
|
177 scale = 1;
|
|
|
178 break;
|
|
|
179
|
|
|
180 default:
|
|
|
181 step = st_last;
|
|
|
182 max = 2147483647;
|
|
|
183 scale = 1;
|
|
|
184 }
|
|
|
185
|
|
|
186 value = ngx_atoi(start, len);
|
|
|
187 if (value == NGX_ERROR) {
|
|
|
188 return NGX_ERROR;
|
|
|
189 }
|
|
|
190
|
|
|
191 if (step != st_msec && !sec) {
|
|
|
192 scale *= 1000;
|
|
|
193 max /= 1000;
|
|
|
194 }
|
|
|
195
|
|
|
196 if ((u_int) value > max) {
|
|
|
197 return NGX_PARSE_LARGE_TIME;
|
|
|
198 }
|
|
|
199
|
|
|
200 total += value * scale;
|
|
|
201
|
|
|
202 if ((u_int) total > 2147483647) {
|
|
|
203 return NGX_PARSE_LARGE_TIME;
|
|
|
204 }
|
|
|
205
|
|
|
206 if (i >= line->len) {
|
|
|
207 break;
|
|
|
208 }
|
|
|
209
|
|
|
210 len = 0;
|
|
|
211 start = &line->data[i + 1];
|
|
|
212 }
|
|
|
213
|
|
|
214 return total;
|
|
|
215 }
|
