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Mongoose binary - GUI version fix

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PUBLISHED_FROM=94c2b4c5a40c3519df6caa7561c3935bdf505575
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Sergey Lyubka
2015-11-18 07:44:18 +00:00
parent e34747d1ad
commit 8a0bc2d614
1 changed files with 52 additions and 0 deletions
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mongoose.c
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@@ -5914,6 +5914,56 @@ static void handle_cgi(struct mg_connection *nc, const char *prog,
}
#endif
static int get_month_index(const char *s) {
static const char *month_names[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
size_t i;
for (i = 0; i < ARRAY_SIZE(month_names); i++)
if (!strcmp(s, month_names[i])) return (int) i;
return -1;
}
static int num_leap_years(int year) {
return year / 4 - year / 100 + year / 400;
}
/* Parse UTC date-time string, and return the corresponding time_t value. */
static time_t parse_date_string(const char *datetime) {
static const unsigned short days_before_month[] = {
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
char month_str[32];
int second, minute, hour, day, month, year, leap_days, days;
time_t result = (time_t) 0;
if (((sscanf(datetime, "%d/%3s/%d %d:%d:%d", &day, month_str, &year, &hour,
&minute, &second) == 6) ||
(sscanf(datetime, "%d %3s %d %d:%d:%d", &day, month_str, &year, &hour,
&minute, &second) == 6) ||
(sscanf(datetime, "%*3s, %d %3s %d %d:%d:%d", &day, month_str, &year,
&hour, &minute, &second) == 6) ||
(sscanf(datetime, "%d-%3s-%d %d:%d:%d", &day, month_str, &year, &hour,
&minute, &second) == 6)) &&
year > 1970 && (month = get_month_index(month_str)) != -1) {
leap_days = num_leap_years(year) - num_leap_years(1970);
year -= 1970;
days = year * 365 + days_before_month[month] + (day - 1) + leap_days;
result = days * 24 * 3600 + hour * 3600 + minute * 60 + second;
}
return result;
}
static int mg_is_not_modified(struct http_message *hm, cs_stat_t *st) {
char etag[64];
struct mg_str *ims = mg_get_http_header(hm, "If-Modified-Since");
struct mg_str *inm = mg_get_http_header(hm, "If-None-Match");
construct_etag(etag, sizeof(etag), st);
return (inm != NULL && !mg_vcasecmp(inm, etag)) ||
(ims != NULL && st->st_mtime <= parse_date_string(ims->p));
}
static void mg_send_digest_auth_request(struct mg_connection *c,
const char *domain) {
mg_printf(c,
@@ -5986,6 +6036,8 @@ void mg_send_http_file(struct mg_connection *nc, char *path,
#else
send_http_error(nc, 501, NULL);
#endif /* MG_DISABLE_CGI */
} else if (mg_is_not_modified(hm, &st)) {
send_http_error(nc, 304, "Not Modified");
} else {
mg_send_http_file2(nc, path, &st, hm, opts);
}