mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-09-19 22:08:32 +00:00
94 lines
2.8 KiB
Diff
Executable file
94 lines
2.8 KiB
Diff
Executable file
--- /tmp/hosts_access.c 2003-08-03 22:18:00.000000000 +0000
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+++ hosts_access.c 2003-08-03 22:39:44.000000000 +0000
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@@ -289,6 +289,17 @@
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{
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int n;
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+#ifndef DISABLE_WILDCARD_MATCHING
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+ if (strchr(tok, '*') || strchr(tok,'?')) { /* contains '*' or '?' */
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+ /* we must convert the both to lowercase as match_pattern_ylo is case-sensitive */
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+ for (n = 0; n < strlen(tok); n++)
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+ tok[n] = isupper(tok[n]) ? tolower(tok[n]) : tok[n];
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+ for (n = 0; n < strlen(string); n++)
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+ string[n] = isupper(string[n]) ? tolower(string[n]) : string[n];
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+ return (match_pattern_ylo(string,tok));
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+ } else
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+#endif
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+
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if (tok[0] == '.') { /* suffix */
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n = strlen(string) - strlen(tok);
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return (n > 0 && STR_EQ(tok, string + n));
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@@ -329,3 +340,72 @@
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}
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return ((addr & mask) == net);
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}
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+
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+#ifndef DISABLE_WILDCARD_MATCHING
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+/* Note: this feature has been adapted in a pretty straightforward way
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+ from Tatu Ylonen's last SSH version under free license by
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+ Pekka Savola <pekkas@netcore.fi>.
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+
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+ Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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+*/
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+
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+/* Returns true if the given string matches the pattern (which may contain
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+ ? and * as wildcards), and zero if it does not match. */
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+
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+int match_pattern_ylo(const char *s, const char *pattern)
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+{
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+ while (1)
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+ {
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+ /* If at end of pattern, accept if also at end of string. */
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+ if (!*pattern)
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+ return !*s;
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+
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+ /* Process '*'. */
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+ if (*pattern == '*')
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+ {
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+ /* Skip the asterisk. */
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+ pattern++;
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+
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+ /* If at end of pattern, accept immediately. */
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+ if (!*pattern)
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+ return 1;
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+
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+ /* If next character in pattern is known, optimize. */
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+ if (*pattern != '?' && *pattern != '*')
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+ {
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+ /* Look instances of the next character in pattern, and try
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+ to match starting from those. */
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+ for (; *s; s++)
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+ if (*s == *pattern &&
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+ match_pattern_ylo(s + 1, pattern + 1))
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+ return 1;
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+ /* Failed. */
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+ return 0;
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+ }
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+
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+ /* Move ahead one character at a time and try to match at each
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+ position. */
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+ for (; *s; s++)
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+ if (match_pattern_ylo(s, pattern))
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+ return 1;
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+ /* Failed. */
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+ return 0;
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+ }
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+
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+ /* There must be at least one more character in the string. If we are
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+ at the end, fail. */
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+ if (!*s)
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+ return 0;
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+
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+ /* Check if the next character of the string is acceptable. */
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+ if (*pattern != '?' && *pattern != *s)
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+ return 0;
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+
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+ /* Move to the next character, both in string and in pattern. */
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+ s++;
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+ pattern++;
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+ }
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+ /*NOTREACHED*/
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+}
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+#endif /* DISABLE_WILDCARD_MATCHING */
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+
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