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unbound-anchor checks dates

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git-svn-id: file:///svn/unbound/trunk@2252 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2010-09-27 15:56:46 +00:00
parent c007b34cc1
commit cf7ececb83
1 changed files with 77 additions and 2 deletions
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79
smallapp/unbound-anchor.c
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@ -1138,6 +1138,75 @@ find_att(const XML_Char **atts, XML_Char* name)
return NULL;
}
/**
* XML convert DateTime element to time_t.
* [-]CCYY-MM-DDThh:mm:ss[Z|(+|-)hh:mm]
* (with optional .ssssss fractional seconds)
* @param str: the string
* @return a time_t representation or 0 on failure.
*/
static time_t
xml_convertdate(const char* str)
{
time_t t = 0;
struct tm tm;
const char* s;
/* for this application, ignore minus in front;
* only positive dates are expected */
s = str;
if(s[0] == '-') s++;
memset(&tm, 0, sizeof(tm));
/* parse initial content of the string (lots of whitespace allowed) */
s = strptime(s, "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
if(!s) {
if(verb) printf("xml_convertdate parse failure %s\n", str);
return 0;
}
/* parse remainder of date string */
if(*s == '.') {
/* optional '.' and fractional seconds */
int frac = 0, n = 0;
if(sscanf(s+1, "%d%n", &frac, &n) < 1) {
if(verb) printf("xml_convertdate f failure %s\n", str);
return 0;
}
/* fraction is not used, time_t has second accuracy */
s++;
s+=n;
}
if(*s == 'Z' || *s == 'z') {
/* nothing to do for this */
s++;
} else if(*s == '+' || *s == '-') {
/* optional timezone spec: Z or +hh:mm or -hh:mm */
int hr = 0, mn = 0, n = 0;
if(sscanf(s+1, "%d:%d%n", &hr, &mn, &n) < 2) {
if(verb) printf("xml_convertdate tz failure %s\n", str);
return 0;
}
if(*s == '+') {
tm.tm_hour += hr;
tm.tm_min += mn;
} else {
tm.tm_hour -= hr;
tm.tm_min -= mn;
}
s++;
s += n;
}
if(*s != 0) {
/* not ended properly */
/* but ignore, (lenient) */
}
t = mktime(&tm);
if(t == (time_t)-1) {
if(verb) printf("xml_convertdate mktime failure\n");
return 0;
}
return t;
}
/**
* XML handle the KeyDigest start tag, check validity periods.
*/
@ -1147,10 +1216,16 @@ handle_keydigest(struct xml_data* data, const XML_Char **atts)
const char* s = ". IN DS";
data->use_key = 0;
if(find_att(atts, "validFrom")) {
/* TODO */
time_t from = xml_convertdate(find_att(atts, "validFrom"));
if(from == 0) return;
if(data->date < from)
return;
}
if(find_att(atts, "validUntil")) {
/* TODO */
time_t until = xml_convertdate(find_att(atts, "validFrom"));
if(until == 0) return;
if(data->date > until)
return;
}
/* yes we want to use this key */
data->use_key = 1;