1 files changed, 88 insertions, 0 deletions
diff --git a/prog/6/conf.c b/prog/6/conf.c
new file mode 100644
index 0000000..6945876
--- /dev/null
+++ b/prog/6/conf.c
@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <search.h>
+#include <string.h>
+#include <arpa/inet.h>
+int ipv6_compare (const struct in6_addr * a, const struct in6_addr * b) {
+	return memcmp(a->s6_addr, b->s6_addr, sizeof a->s6_addr);
+}
+struct zone {
+	struct in6_addr addr;
+	int mask;
+	char * email;
+	char ** ns;
+	int nslen;
+	struct zone * next;
+};
+struct ns {
+	struct in6_addr addr;
+	int mask;
+	char ** ns;
+	int nslen;
+	struct ns * next;
+};
+struct ptr {
+	struct in6_addr addr;
+	int mask;
+	char ptr;
+	time_t created;
+};
+struct config {
+	struct * zone;	// linked list TODO use https://en.wikipedia.org/wiki/Trie instead
+	struct * ns;	// linked list TODO use https://en.wikipedia.org/wiki/Trie instead
+	void * ptrrp;	// ptr root pointer for tsearch(3)
+};
+struct config config (FILE * file) {
+	char line[1024];
+	while (!ferror(file) && !feof(file)) {
+		char * ret = fgets(line, sizeof line, file);
+		if (!ret)
+			break;
+		char * cp = strchr(line, '/');
+		int mask = -1;
+		if (cp) {
+			cp = '\0';
+			if (cp[1] <= '9' && cp[1] >= '0')
+				mask = strtol(cp+1, &cp, 10);
+			else
+				cp++;
+		} else {
+			cp = line;
+			for (; strchr("0123456789abcdefABCDEF:", *cp); cp++);
+			if (!*cp)
+				continue;
+			cp++;
+		}
+		struct in6_addr addr;
+		switch (inet_pton(AF_INET6, line, addr.s6_addr)) {
+			case 0:
+				continue;
+			case -1:
+				perror("inet_pton");
+				exit(EXIT_FAILURE);
+		}
+		line = cp;
+		char * saveptr = NULL;
+		cp = strtok_r(line, "\t\r\n ", &saveptr);
+		if (!cp)
+			continue;
+		if (mask == -1) { // ptr record
+			struct ;
+			continue;
+		}
+	}
+}
+/*
+int main (int argc, char ** argv) {
+	if (argc != 2) {
+		fprintf(stderr, "6d configuration file checker\n"
+				"	usage: %s configfile\n"
+				"an example configuration file can be found in the following locations:\n"
+				"	/etc/6d\n"
+				"	/usr/share/doc/6d/conf\n"
+				"	http://ni.šijanec.eu/sijanec/r/tree/prog/6/6d.conf\n"
+			, argv[0]);
+		return 1;
+	}
+	config_file();
+}
+*/