X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fmisc%2Ftcpwrapper.c;h=0ba856f9819d6af0593a0e47fe267120df33fd16;hp=977dfcaf5a11d0fa3dc9babe7fb849a32e8b015f;hb=ae8e7dbe9641dbc69c34bcede416f0d91612d3f1;hpb=6e3f696e788a56f30b5b3f8250647fe4cd63c884

diff --git a/support/misc/tcpwrapper.c b/support/misc/tcpwrapper.c
index 977dfca..0ba856f 100644
--- a/support/misc/tcpwrapper.c
+++ b/support/misc/tcpwrapper.c
@@ -46,7 +46,7 @@
 #include <sys/signal.h>
 #include <sys/queue.h>
 #include <sys/stat.h>
-#include <unistd.h>
+#include <tcpd.h>
 
 #include "xlog.h"
 
@@ -108,8 +108,8 @@ typedef struct _hash_head {
 	TAILQ_HEAD(host_list, _haccess_t) h_head;
 } hash_head;
 hash_head haccess_tbl[HASH_TABLE_SIZE];
-static haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long, u_long);
-static void haccess_add(struct sockaddr_in *addr, u_long, u_long, int);
+static haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long);
+static void haccess_add(struct sockaddr_in *addr, u_long, int);
 
 inline unsigned int strtoint(char *str)
 {
@@ -122,15 +122,14 @@ inline unsigned int strtoint(char *str)
 
 	return n;
 }
-inline int hashint(unsigned int num)
+static inline int hashint(unsigned int num)
 {
 	return num % HASH_TABLE_SIZE;
 }
-#define HASH(_addr, _proc, _prog) \
-	hashint((strtoint((_addr))+(_proc)+(_prog)))
+#define HASH(_addr, _prog) \
+	hashint((strtoint((_addr))+(_prog)))
 
-void haccess_add(struct sockaddr_in *addr, u_long proc, 
-	u_long prog, int access)
+void haccess_add(struct sockaddr_in *addr, u_long prog, int access)
 {
 	hash_head *head;
  	haccess_t *hptr;
@@ -140,7 +139,7 @@ void haccess_add(struct sockaddr_in *addr, u_long proc,
 	if (hptr == NULL)
 		return;
 
-	hash = HASH(inet_ntoa(addr->sin_addr), proc, prog);
+	hash = HASH(inet_ntoa(addr->sin_addr), prog);
 	head = &(haccess_tbl[hash]);
 
 	hptr->access = access;
@@ -151,13 +150,13 @@ void haccess_add(struct sockaddr_in *addr, u_long proc,
 	else
 		TAILQ_INSERT_TAIL(&head->h_head, hptr, list);
 }
-haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long proc, u_long prog)
+haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long prog)
 {
 	hash_head *head;
  	haccess_t *hptr;
 	int hash;
 
-	hash = HASH(inet_ntoa(addr->sin_addr), proc, prog);
+	hash = HASH(inet_ntoa(addr->sin_addr), prog);
 	head = &(haccess_tbl[hash]);
 
 	TAILQ_FOREACH(hptr, &head->h_head, list) {
@@ -172,58 +171,15 @@ good_client(daemon, addr)
 char *daemon;
 struct sockaddr_in *addr;
 {
-    struct hostent *hp;
-    char **sp;
-    char *tmpname;
-
-	/* First check the address. */
-	if (hosts_ctl(daemon, "", inet_ntoa(addr->sin_addr), "") == DENY)
-		return DENY;
-
-	/* Now do the hostname lookup */
-	hp = gethostbyaddr ((const char *) &(addr->sin_addr),
-		sizeof (addr->sin_addr), AF_INET);
-	if (!hp) {
-		xlog(L_WARNING, 
-			"Warning: Client IP address '%s' not found in host lookup",
-			inet_ntoa(addr->sin_addr));
-		return DENY; /* never heard of it. misconfigured DNS? */
-	}
-
-	/* Make sure the hostent is authorative. */
-	tmpname = strdup(hp->h_name);
-	if (!tmpname) {
-		xlog(L_WARNING, "Warning: No memory for Host access check");
-		return DENY;
-	}
-	hp = gethostbyname(tmpname);
-	if (!hp) {
-		xlog(L_WARNING, 
-			"Warning: Client hostname '%s' not found in host lookup", tmpname);
-		free(tmpname);
-		return DENY; /* never heard of it. misconfigured DNS? */
-	}
-	free(tmpname);
-
-	/* Now make sure the address is on the list */
-	for (sp = hp->h_addr_list ; *sp ; sp++) {
-	    if (memcmp(*sp, &(addr->sin_addr), hp->h_length) == 0)
-			break;
-	}
-	if (!*sp)
-	    return DENY; /* it was a FAKE. */
+	struct request_info req;
 
-	/* Check the official name and address. */
-	if (hosts_ctl(daemon, hp->h_name, inet_ntoa(addr->sin_addr), "") == DENY)
-		return DENY;
+	request_init(&req, RQ_DAEMON, daemon, RQ_CLIENT_SIN, addr, 0);
+	sock_methods(&req);
 
-	/* Now check aliases. */
-	for (sp = hp->h_aliases; *sp ; sp++) {
-		if (hosts_ctl(daemon, *sp, inet_ntoa(addr->sin_addr), "") == DENY)
-	    	return DENY;
-	}
+	if (hosts_access(&req)) 
+		return ALLOW;
 
-   return ALLOW;
+	return DENY;
 }
 
 /* check_startup - additional startup code */
@@ -302,7 +258,7 @@ u_long  prog;
 	haccess_t *acc = NULL;
 	int changed = check_files();
 
-	acc = haccess_lookup(addr, proc, prog);
+	acc = haccess_lookup(addr, prog);
 	if (acc && changed == 0)
 		return (acc->access);
 
@@ -311,7 +267,7 @@ u_long  prog;
 		if (acc)
 			acc->access = FALSE;
 		else 
-			haccess_add(addr, proc, prog, FALSE);
+			haccess_add(addr, prog, FALSE);
 		return (FALSE);
 	}
 	if (verboselog)
@@ -320,7 +276,7 @@ u_long  prog;
 	if (acc)
 		acc->access = TRUE;
 	else 
-		haccess_add(addr, proc, prog, TRUE);
+		haccess_add(addr, prog, TRUE);
     return (TRUE);
 }