- if (!ASN1_UTCTIME_check(ret))
- {
- ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT);
- goto err;
- }
-
- return(ret);
-err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_UTCTIME_free(ret);
- return(NULL);
- }
-
-int ASN1_UTCTIME_check(ASN1_UTCTIME *d)
- {
- static int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0};
- static int max[8]={99,12,31,23,59,59,12,59};
- char *a;
- int n,i,l,o;
-
- if (d->type != V_ASN1_UTCTIME) return(0);
- l=d->length;
- a=(char *)d->data;
- o=0;
-
- if (l < 11) goto err;
- for (i=0; i<6; i++)
- {
- if ((i == 5) && ((a[o] == 'Z') ||
- (a[o] == '+') || (a[o] == '-')))
- { i++; break; }
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n= a[o]-'0';
- if (++o > l) goto err;
-
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n=(n*10)+ a[o]-'0';
- if (++o > l) goto err;
-
- if ((n < min[i]) || (n > max[i])) goto err;
- }
- if (a[o] == 'Z')
- o++;
- else if ((a[o] == '+') || (a[o] == '-'))
- {
- o++;
- if (o+4 > l) goto err;
- for (i=6; i<8; i++)
- {
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n= a[o]-'0';
- o++;
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n=(n*10)+ a[o]-'0';
- if ((n < min[i]) || (n > max[i])) goto err;
- o++;
- }
- }
- return(o == l);
-err:
- return(0);
- }
-
-int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, char *str)
- {
- ASN1_UTCTIME t;
-
- t.type=V_ASN1_UTCTIME;
- t.length=strlen(str);
- t.data=(unsigned char *)str;
- if (ASN1_UTCTIME_check(&t))
- {
- if (s != NULL)
- {
- ASN1_STRING_set((ASN1_STRING *)s,
- (unsigned char *)str,t.length);
- }
- return(1);
- }
- else
- return(0);
- }
+
+int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
+{
+ static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
+ static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
+ char *a;
+ int n, i, l, o;
+
+ if (d->type != V_ASN1_UTCTIME)
+ return (0);
+ l = d->length;
+ a = (char *)d->data;
+ o = 0;
+
+ if (l < 11)
+ goto err;
+ for (i = 0; i < 6; i++) {
+ if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
+ i++;
+ if (tm)
+ tm->tm_sec = 0;
+ break;
+ }
+ if ((a[o] < '0') || (a[o] > '9'))
+ goto err;
+ n = a[o] - '0';
+ if (++o > l)
+ goto err;
+
+ if ((a[o] < '0') || (a[o] > '9'))
+ goto err;
+ n = (n * 10) + a[o] - '0';
+ if (++o > l)
+ goto err;
+
+ if ((n < min[i]) || (n > max[i]))
+ goto err;
+ if (tm) {
+ switch (i) {
+ case 0:
+ tm->tm_year = n < 50 ? n + 100 : n;
+ break;
+ case 1:
+ tm->tm_mon = n - 1;
+ break;
+ case 2:
+ tm->tm_mday = n;
+ break;
+ case 3:
+ tm->tm_hour = n;
+ break;
+ case 4:
+ tm->tm_min = n;
+ break;
+ case 5:
+ tm->tm_sec = n;
+ break;
+ }
+ }
+ }
+ if (a[o] == 'Z')
+ o++;
+ else if ((a[o] == '+') || (a[o] == '-')) {
+ int offsign = a[o] == '-' ? -1 : 1, offset = 0;
+ o++;
+ if (o + 4 > l)
+ goto err;
+ for (i = 6; i < 8; i++) {
+ if ((a[o] < '0') || (a[o] > '9'))
+ goto err;
+ n = a[o] - '0';
+ o++;
+ if ((a[o] < '0') || (a[o] > '9'))
+ goto err;
+ n = (n * 10) + a[o] - '0';
+ if ((n < min[i]) || (n > max[i]))
+ goto err;
+ if (tm) {
+ if (i == 6)
+ offset = n * 3600;
+ else if (i == 7)
+ offset += n * 60;
+ }
+ o++;
+ }
+ if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
+ return 0;
+ }
+ return o == l;
+ err:
+ return 0;
+}
+
+int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
+{
+ return asn1_utctime_to_tm(NULL, d);
+}
+
+int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
+{
+ ASN1_UTCTIME t;
+
+ t.type = V_ASN1_UTCTIME;
+ t.length = strlen(str);
+ t.data = (unsigned char *)str;
+ if (ASN1_UTCTIME_check(&t)) {
+ if (s != NULL) {
+ if (!ASN1_STRING_set((ASN1_STRING *)s,
+ (unsigned char *)str, t.length))
+ return 0;
+ s->type = V_ASN1_UTCTIME;
+ }
+ return (1);
+ } else
+ return (0);
+}