- for (i = 0; i < len; i++) {
- c = data[i];
- bits += c;
- char_count++;
-
- if (char_count == 3) {
- pem[j++] = pem_enc[bits >> 18];
- pem[j++] = pem_enc[(bits >> 12) & 0x3f];
- pem[j++] = pem_enc[(bits >> 6) & 0x3f];
- pem[j++] = pem_enc[bits & 0x3f];
- bits = 0;
- char_count = 0;
- } else {
- bits <<= 8;
+ return dest;
+}
+
+/* Compares two strings. Strings may include wildcards '*' and '?'.
+ Returns TRUE if strings match. */
+
+int silc_string_compare(char *string1, char *string2)
+{
+ int i;
+ int slen1;
+ int slen2;
+ char *tmpstr1, *tmpstr2;
+
+ if (!string1 || !string2)
+ return FALSE;
+
+ slen1 = strlen(string1);
+ slen2 = strlen(string2);
+
+ /* See if they are same already */
+ if (!strncmp(string1, string2, slen2) && slen2 == slen1)
+ return TRUE;
+
+ if (slen2 < slen1)
+ if (!strchr(string1, '*'))
+ return FALSE;
+
+ /* Take copies of the original strings as we will change them */
+ tmpstr1 = silc_calloc(slen1 + 1, sizeof(char));
+ memcpy(tmpstr1, string1, slen1);
+ tmpstr2 = silc_calloc(slen2 + 1, sizeof(char));
+ memcpy(tmpstr2, string2, slen2);
+
+ for (i = 0; i < slen1; i++) {
+
+ /* * wildcard. Only one * wildcard is possible. */
+ if (tmpstr1[i] == '*')
+ if (!strncmp(tmpstr1, tmpstr2, i)) {
+ memset(tmpstr2, 0, slen2);
+ strncpy(tmpstr2, tmpstr1, i);
+ break;
+ }
+
+ /* ? wildcard */
+ if (tmpstr1[i] == '?') {
+ if (!strncmp(tmpstr1, tmpstr2, i)) {
+ if (!(slen1 < i + 1))
+ if (tmpstr1[i + 1] != '?' &&
+ tmpstr1[i + 1] != tmpstr2[i + 1])
+ continue;
+
+ if (!(slen1 < slen2))
+ tmpstr2[i] = '?';
+ }