PKGBUILDs/core/tcp_wrappers/03_all_wildcard.patch

--- /tmp/hosts_access.c	2003-08-03 22:18:00.000000000 +0000
+++ hosts_access.c	2003-08-03 22:39:44.000000000 +0000
@@ -289,6 +289,17 @@
 {
     int     n;
 
+#ifndef DISABLE_WILDCARD_MATCHING
+    if (strchr(tok, '*') || strchr(tok,'?')) {  /* contains '*' or '?' */
+        /* we must convert the both to lowercase as match_pattern_ylo is case-sensitive */
+        for (n = 0; n < strlen(tok); n++)
+            tok[n] = isupper(tok[n]) ? tolower(tok[n]) : tok[n];
+        for (n = 0; n < strlen(string); n++)
+            string[n] = isupper(string[n]) ? tolower(string[n]) : string[n];
+        return (match_pattern_ylo(string,tok));
+    } else
+#endif
+
     if (tok[0] == '.') {			/* suffix */
 	n = strlen(string) - strlen(tok);
 	return (n > 0 && STR_EQ(tok, string + n));
@@ -329,3 +340,72 @@
     }
     return ((addr & mask) == net);
 }
+
+#ifndef DISABLE_WILDCARD_MATCHING
+/* Note: this feature has been adapted in a pretty straightforward way
+   from Tatu Ylonen's last SSH version under free license by
+   Pekka Savola <pekkas@netcore.fi>.
+
+   Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+*/
+
+/* Returns true if the given string matches the pattern (which may contain
+   ? and * as wildcards), and zero if it does not match. */
+
+int match_pattern_ylo(const char *s, const char *pattern)
+{
+  while (1)
+    {
+      /* If at end of pattern, accept if also at end of string. */
+      if (!*pattern)
+        return !*s;
+
+      /* Process '*'. */
+      if (*pattern == '*')
+        {
+         /* Skip the asterisk. */
+         pattern++;
+
+         /* If at end of pattern, accept immediately. */
+          if (!*pattern)
+            return 1;
+
+         /* If next character in pattern is known, optimize. */
+          if (*pattern != '?' && *pattern != '*')
+            {
+             /* Look instances of the next character in pattern, and try
+                to match starting from those. */
+              for (; *s; s++)
+                if (*s == *pattern &&
+                    match_pattern_ylo(s + 1, pattern + 1))
+                  return 1;
+             /* Failed. */
+              return 0;
+            }
+
+         /* Move ahead one character at a time and try to match at each
+            position. */
+          for (; *s; s++)
+            if (match_pattern_ylo(s, pattern))
+              return 1;
+         /* Failed. */
+          return 0;
+        }
+
+      /* There must be at least one more character in the string.  If we are
+        at the end, fail. */
+      if (!*s)
+        return 0;
+
+      /* Check if the next character of the string is acceptable. */
+      if (*pattern != '?' && *pattern != *s)
+       return 0;
+
+      /* Move to the next character, both in string and in pattern. */
+      s++;
+      pattern++;
+    }
+  /*NOTREACHED*/
+}
+#endif /* DISABLE_WILDCARD_MATCHING */
+