initial check-in, version 0.5.0 v0.5.0

1 files changed, 143 insertions, 0 deletions

diff --git a/include/resolv.h b/include/resolv.h
new file mode 100644
index 00000000..3b77fc7b
--- /dev/null
+++ b/include/resolv.h
@@ -0,0 +1,143 @@
+#ifndef _RESOLV_H_
+#define _RESOLV_H_
+
+#include <stdint.h>
+#include <arpa/nameser.h>
+#include <netinet/in.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAXNS			3
+#define MAXDFLSRCH		3
+#define MAXDNSRCH		6
+#define LOCALDOMAINPARTS	2
+
+#define RES_TIMEOUT		5
+#define MAXRESOLVSORT		10
+#define RES_MAXNDOTS		15
+#define RES_MAXRETRANS		30
+#define RES_MAXRETRY		5
+#define RES_DFLRETRY		2
+#define RES_MAXTIME		65535
+
+/* unused; purely for broken apps */
+typedef struct __res_state {
+	int retrans;
+	int retry;
+	unsigned long options;
+	int nscount;
+	struct sockaddr_in nsaddr_list[MAXNS];
+# define nsaddr	nsaddr_list[0]
+	unsigned short id;
+	char *dnsrch[MAXDNSRCH+1];
+	char defdname[256];
+	unsigned long pfcode;
+	unsigned ndots:4;
+	unsigned nsort:4;
+	unsigned ipv6_unavail:1;
+	unsigned unused:23;
+	struct {
+		struct in_addr addr;
+		uint32_t mask;
+	} sort_list[MAXRESOLVSORT];
+	void *qhook;
+	void *rhook;
+	int res_h_errno;
+	int _vcsock;
+	unsigned _flags;
+	union {
+		char pad[52];
+		struct {
+			uint16_t		nscount;
+			uint16_t		nsmap[MAXNS];
+			int			nssocks[MAXNS];
+			uint16_t		nscount6;
+			uint16_t		nsinit;
+			struct sockaddr_in6	*nsaddrs[MAXNS];
+			unsigned int		_initstamp[2];
+		} _ext;
+	} _u;
+} *res_state;
+
+#define	__RES	19991006
+
+#ifndef _PATH_RESCONF
+#define _PATH_RESCONF        "/etc/resolv.conf"
+#endif
+
+struct res_sym {
+	int number;
+	char *name;
+	char *humanname;
+};
+
+#define	RES_F_VC	0x00000001
+#define	RES_F_CONN	0x00000002
+#define RES_F_EDNS0ERR	0x00000004
+
+#define	RES_EXHAUSTIVE	0x00000001
+
+#define RES_INIT	0x00000001
+#define RES_DEBUG	0x00000002
+#define RES_AAONLY	0x00000004
+#define RES_USEVC	0x00000008
+#define RES_PRIMARY	0x00000010
+#define RES_IGNTC	0x00000020
+#define RES_RECURSE	0x00000040
+#define RES_DEFNAMES	0x00000080
+#define RES_STAYOPEN	0x00000100
+#define RES_DNSRCH	0x00000200
+#define	RES_INSECURE1	0x00000400
+#define	RES_INSECURE2	0x00000800
+#define	RES_NOALIASES	0x00001000
+#define	RES_USE_INET6	0x00002000
+#define RES_ROTATE	0x00004000
+#define	RES_NOCHECKNAME	0x00008000
+#define	RES_KEEPTSIG	0x00010000
+#define	RES_BLAST	0x00020000
+#define RES_USEBSTRING	0x00040000
+#define RES_NOIP6DOTINT	0x00080000
+#define RES_USE_EDNS0	0x00100000
+#define RES_SNGLKUP	0x00200000
+#define RES_SNGLKUPREOP	0x00400000
+#define RES_USE_DNSSEC	0x00800000
+
+#define RES_DEFAULT	(RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT)
+
+#define RES_PRF_STATS	0x00000001
+#define RES_PRF_UPDATE	0x00000002
+#define RES_PRF_CLASS   0x00000004
+#define RES_PRF_CMD	0x00000008
+#define RES_PRF_QUES	0x00000010
+#define RES_PRF_ANS	0x00000020
+#define RES_PRF_AUTH	0x00000040
+#define RES_PRF_ADD	0x00000080
+#define RES_PRF_HEAD1	0x00000100
+#define RES_PRF_HEAD2	0x00000200
+#define RES_PRF_TTLID	0x00000400
+#define RES_PRF_HEADX	0x00000800
+#define RES_PRF_QUERY	0x00001000
+#define RES_PRF_REPLY	0x00002000
+#define RES_PRF_INIT	0x00004000
+
+extern struct __res_state *__res_state(void);
+#define _res (*__res_state())
+
+struct rrec;
+
+int res_init(void);
+int res_query(const char *, int, int, unsigned char *, int);
+int res_querydomain(const char *, const char *, int, int, unsigned char *, int);
+int res_search(const char *, int, int, unsigned char *, int);
+int res_mkquery(int, const char *, int, int, char *, int, struct rrec *, char *, int);
+int res_send(const char *, int, char *, int);
+int dn_comp(unsigned char *, unsigned char *, int, unsigned char **, unsigned char *, unsigned char **);
+int dn_expand(unsigned char *, unsigned char *, unsigned char *, unsigned char *, int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif