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Author: Steve Dickson <steved@redhat.com>
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Date: Sat Jan 31 05:30:13 2009 -0500
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Only hash on IP address and Program number. Including the Procedure
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number only creates needles extra hash entries.
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff -up nfs-utils-1.1.4/support/misc/tcpwrapper.c.orig nfs-utils-1.1.4/support/misc/tcpwrapper.c
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--- nfs-utils-1.1.4/support/misc/tcpwrapper.c.orig 2009-01-31 06:22:35.000000000 -0500
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+++ nfs-utils-1.1.4/support/misc/tcpwrapper.c 2009-01-31 06:23:22.000000000 -0500
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@@ -106,8 +106,8 @@ typedef struct _hash_head {
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TAILQ_HEAD(host_list, _haccess_t) h_head;
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} hash_head;
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hash_head haccess_tbl[HASH_TABLE_SIZE];
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-static haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long, u_long);
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-static void haccess_add(struct sockaddr_in *addr, u_long, u_long, int);
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+static haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long);
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+static void haccess_add(struct sockaddr_in *addr, u_long, int);
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inline unsigned int strtoint(char *str)
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{
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@@ -124,11 +124,10 @@ inline int hashint(unsigned int num)
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{
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return num % HASH_TABLE_SIZE;
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}
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-#define HASH(_addr, _proc, _prog) \
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- hashint((strtoint((_addr))+(_proc)+(_prog)))
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+#define HASH(_addr, _prog) \
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+ hashint((strtoint((_addr))+(_prog)))
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-void haccess_add(struct sockaddr_in *addr, u_long proc,
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- u_long prog, int access)
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+void haccess_add(struct sockaddr_in *addr, u_long prog, int access)
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{
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hash_head *head;
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haccess_t *hptr;
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@@ -138,7 +137,7 @@ void haccess_add(struct sockaddr_in *add
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if (hptr == NULL)
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return;
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- hash = HASH(inet_ntoa(addr->sin_addr), proc, prog);
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+ hash = HASH(inet_ntoa(addr->sin_addr), prog);
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head = &(haccess_tbl[hash]);
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hptr->access = access;
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@@ -149,13 +148,13 @@ void haccess_add(struct sockaddr_in *add
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else
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TAILQ_INSERT_TAIL(&head->h_head, hptr, list);
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}
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-haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long proc, u_long prog)
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+haccess_t *haccess_lookup(struct sockaddr_in *addr, u_long prog)
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{
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hash_head *head;
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haccess_t *hptr;
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int hash;
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- hash = HASH(inet_ntoa(addr->sin_addr), proc, prog);
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+ hash = HASH(inet_ntoa(addr->sin_addr), prog);
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head = &(haccess_tbl[hash]);
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TAILQ_FOREACH(hptr, &head->h_head, list) {
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@@ -300,7 +299,7 @@ u_long prog;
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haccess_t *acc = NULL;
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int changed = check_files();
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- acc = haccess_lookup(addr, proc, prog);
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+ acc = haccess_lookup(addr, prog);
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if (acc && changed == 0)
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return (acc->access);
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@@ -309,7 +308,7 @@ u_long prog;
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if (acc)
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acc->access = FALSE;
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else
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- haccess_add(addr, proc, prog, FALSE);
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+ haccess_add(addr, prog, FALSE);
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return (FALSE);
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}
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if (verboselog)
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@@ -318,7 +317,7 @@ u_long prog;
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if (acc)
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acc->access = TRUE;
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else
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- haccess_add(addr, proc, prog, TRUE);
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+ haccess_add(addr, prog, TRUE);
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return (TRUE);
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}
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