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Diffstat (limited to 'nscd/hstcache.c')
-rw-r--r--nscd/hstcache.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/nscd/hstcache.c b/nscd/hstcache.c
index 54222a3408..cc041581e1 100644
--- a/nscd/hstcache.c
+++ b/nscd/hstcache.c
@@ -80,7 +80,8 @@ static const hst_response_header notfound =
static void
cache_addhst (struct database_dyn *db, int fd, request_header *req,
const void *key, struct hostent *hst, uid_t owner,
- struct hashentry *he, struct datahead *dh, int errval)
+ struct hashentry *he, struct datahead *dh, int errval,
+ int32_t ttl)
{
ssize_t total;
ssize_t written;
@@ -131,7 +132,8 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
dataset->head.usable = true;
/* Compute the timeout time. */
- dataset->head.timeout = t + db->negtimeout;
+ dataset->head.timeout = t + (ttl == INT32_MAX
+ ? db->negtimeout : ttl);
/* This is the reply. */
memcpy (&dataset->resp, &notfound, total);
@@ -247,7 +249,7 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
dataset->head.usable = true;
/* Compute the timeout time. */
- dataset->head.timeout = t + db->postimeout;
+ dataset->head.timeout = t + (ttl == INT32_MAX ? db->postimeout : ttl);
dataset->resp.version = NSCD_VERSION;
dataset->resp.found = 1;
@@ -323,6 +325,8 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
dataset = memcpy (newp, dataset, total + req->key_len);
alloca_used = false;
}
+ else
+ ++db->head->addfailed;
}
/* Mark the old record as obsolete. */
@@ -423,19 +427,19 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
static int
lookup (int type, void *key, struct hostent *resultbufp, char *buffer,
- size_t buflen, struct hostent **hst)
+ size_t buflen, struct hostent **hst, int32_t *ttlp)
{
if (type == GETHOSTBYNAME)
- return __gethostbyname2_r (key, AF_INET, resultbufp, buffer, buflen, hst,
- &h_errno);
+ return __gethostbyname3_r (key, AF_INET, resultbufp, buffer, buflen, hst,
+ &h_errno, ttlp, NULL);
if (type == GETHOSTBYNAMEv6)
- return __gethostbyname2_r (key, AF_INET6, resultbufp, buffer, buflen, hst,
- &h_errno);
+ return __gethostbyname3_r (key, AF_INET6, resultbufp, buffer, buflen, hst,
+ &h_errno, ttlp, NULL);
if (type == GETHOSTBYADDR)
- return __gethostbyaddr_r (key, NS_INADDRSZ, AF_INET, resultbufp, buffer,
- buflen, hst, &h_errno);
- return __gethostbyaddr_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
- buflen, hst, &h_errno);
+ return __gethostbyaddr2_r (key, NS_INADDRSZ, AF_INET, resultbufp, buffer,
+ buflen, hst, &h_errno, ttlp);
+ return __gethostbyaddr2_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
+ buflen, hst, &h_errno, ttlp);
}
@@ -453,6 +457,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
struct hostent *hst;
bool use_malloc = false;
int errval = 0;
+ int32_t ttl = INT32_MAX;
if (__builtin_expect (debug_level > 0, 0))
{
@@ -470,7 +475,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
dbg_log (_("Reloading \"%s\" in hosts cache!"), (char *) str);
}
- while (lookup (req->type, key, &resultbuf, buffer, buflen, &hst) != 0
+ while (lookup (req->type, key, &resultbuf, buffer, buflen, &hst, &ttl) != 0
&& h_errno == NETDB_INTERNAL
&& (errval = errno) == ERANGE)
{
@@ -504,7 +509,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
}
cache_addhst (db, fd, req, key, hst, uid, he, dh,
- h_errno == TRY_AGAIN ? errval : 0);
+ h_errno == TRY_AGAIN ? errval : 0, ttl);
if (use_malloc)
free (buffer);