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Code Issues Releases Wiki Activity

4128. [bug] Address issues raised by Coverity 7.6. [RT #39537]

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This commit is contained in:
Mark Andrews 2015-05-28 13:17:07 +10:00
parent 52a487f71a
commit e53e202ef3
16 changed files with 61 additions and 57 deletions
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2
CHANGES
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@ -1,3 +1,5 @@
4128. [bug] Address issues raised by Coverity 7.6. [RT #39537]
4127. [protocol] CDS and CDNSKEY need to be signed by the key signing
key as per RFC 7344, Section 4.1. [RT #37215]

5
bin/dnssec/dnssec-signzone.c
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@ -3592,7 +3592,10 @@ main(int argc, char *argv[]) {
* of keys rather early.
*/
ISC_LIST_INIT(keylist);
isc_rwlock_init(&keylist_lock, 0, 0);
result = isc_rwlock_init(&keylist_lock, 0, 0);
if (result != ISC_R_SUCCESS)
fatal("could not initialize keylist_lock: %s",
isc_result_totext(result));
/*
* Fill keylist with:

2
bin/named/interfacemgr.c
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@ -471,7 +471,7 @@ ns_interface_listenudp(ns_interface_t *ifp) {
return (ISC_R_SUCCESS);
addtodispatch_failure:
for (i = disp - 1; i <= 0; i--) {
for (i = disp - 1; i >= 0; i--) {
dns_dispatch_changeattributes(ifp->udpdispatch[i], 0,
DNS_DISPATCHATTR_NOLISTEN);
dns_dispatch_detach(&(ifp->udpdispatch[i]));

3
bin/tests/rbt/t_rbt.c
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@ -297,6 +297,7 @@ rbt_init(char *filename, dns_rbt_t **rbt, isc_mem_t *mctx) {
if ((rval != 0) || (dns_result != ISC_R_SUCCESS)) {
t_info("add of %s failed\n", p);
dns_rbt_destroy(rbt);
(void) free(p);
fclose(fp);
return(1);
}
@ -704,7 +705,7 @@ t9_walkchain(dns_rbtnodechain_t *chain, dns_rbt_t *rbt) {
if (order >= 0) {
t_info("unexpected order %s %s %s\n",
dnsname_totext(dns_fixedname_name(&fullname1)),
order == -1 ? "<" : (order == 0 ? "==" : ">"),
order == 0 ? "==" : ">",
dnsname_totext(dns_fixedname_name(&fullname2)));
++nprobs;
}

6
bin/tests/tasks/t_tasks.c
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@ -999,6 +999,12 @@ t_tasks4(void) {
NULL, sizeof(*event));
if (event == NULL) {
t_info("isc_event_allocate failed\n");
isc_result = isc_mutex_unlock(&T4_mx);
if (isc_result != ISC_R_SUCCESS) {
t_info("isc_mutex_unlock failed %s\n",
isc_result_totext(isc_result));
++T4_nprobs;
}
DESTROYLOCK(&T4_mx);
isc_task_destroy(&task);
(void) isc_condition_destroy(&T4_cv);

28
lib/dns/dlz.c
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@ -240,8 +240,8 @@ dns_dlzcreate(isc_mem_t *mctx, const char *dlzname, const char *drivername,
void
dns_dlzdestroy(dns_dlzdb_t **dbp) {
isc_mem_t *mctx;
dns_dlzdestroy_t destroy;
dns_dlzdb_t *db;
/* Write debugging message to log */
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
@ -253,23 +253,19 @@ dns_dlzdestroy(dns_dlzdb_t **dbp) {
*/
REQUIRE(dbp != NULL && DNS_DLZ_VALID(*dbp));
if ((*dbp)->ssutable != NULL) {
dns_ssutable_detach(&(*dbp)->ssutable);
}
db = *dbp;
*dbp = NULL;
if (db->ssutable != NULL)
dns_ssutable_detach(&db->ssutable);
/* call the drivers destroy method */
if ((*dbp) != NULL) {
mctx = (*dbp)->mctx;
if ((*dbp)->dlzname != NULL)
isc_mem_free(mctx, (*dbp)->dlzname);
destroy = (*dbp)->implementation->methods->destroy;
(*destroy)((*dbp)->implementation->driverarg,(*dbp)->dbdata);
/* return memory */
isc_mem_put(mctx, (*dbp), sizeof(dns_dlzdb_t));
isc_mem_detach(&mctx);
}
*dbp = NULL;
if (db->dlzname != NULL)
isc_mem_free(db->mctx, db->dlzname);
destroy = db->implementation->methods->destroy;
(*destroy)(db->implementation->driverarg, db->dbdata);
/* return memory and detach */
isc_mem_putanddetach(&db->mctx, db, sizeof(dns_dlzdb_t));
}
/*%

5
lib/dns/dst_api.c
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@ -1083,9 +1083,6 @@ comparekeys(const dst_key_t *key1, const dst_key_t *key2,
if (key1 == key2)
return (ISC_TRUE);
if (key1 == NULL || key2 == NULL)
return (ISC_FALSE);
if (key1->key_alg != key2->key_alg)
return (ISC_FALSE);
@ -1175,8 +1172,6 @@ dst_key_paramcompare(const dst_key_t *key1, const dst_key_t *key2) {
if (key1 == key2)
return (ISC_TRUE);
if (key1 == NULL || key2 == NULL)
return (ISC_FALSE);
if (key1->key_alg == key2->key_alg &&
key1->func->paramcompare != NULL &&
key1->func->paramcompare(key1, key2) == ISC_TRUE)

2
lib/dns/journal.c
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@ -2107,6 +2107,8 @@ dns_journal_compact(isc_mem_t *mctx, char *filename, isc_uint32_t serial,
char backup[1024];
isc_boolean_t is_backup = ISC_FALSE;
REQUIRE(filename != NULL);
namelen = strlen(filename);
if (namelen > 4U && strcmp(filename + namelen - 4, ".jnl") == 0)
namelen -= 4;

2
lib/dns/master.c
View File

@ -292,7 +292,7 @@ loadctx_destroy(dns_loadctx_t *lctx);
SETRESULT(lctx, result); \
LOGIT(result); \
read_till_eol = ISC_TRUE; \
continue; \
break; \
} else if (result != ISC_R_SUCCESS) \
goto log_and_cleanup; \
} \

8
lib/dns/openssldh_link.c
View File

@ -224,13 +224,13 @@ openssldh_generate(dst_key_t *key, int generator, void (*callback)(int)) {
#else
dh = DH_generate_parameters(key->key_size, generator,
NULL, NULL);
if (dh == NULL)
return (dst__openssl_toresult2(
"DH_generate_parameters",
DST_R_OPENSSLFAILURE));
#endif
}
if (dh == NULL)
return (dst__openssl_toresult2("DH_generate_parameters",
DST_R_OPENSSLFAILURE));
if (DH_generate_key(dh) == 0) {
DH_free(dh);
return (dst__openssl_toresult2("DH_generate_key",

28
lib/dns/opensslrsa_link.c
View File

@ -1382,12 +1382,20 @@ opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
isc_result_t ret;
EVP_PKEY *pkey = NULL;
RSA *rsa = NULL, *pubrsa = NULL;
char *colon;
char *colon, *tmpengine = NULL;
UNUSED(pin);
if (engine == NULL)
DST_RET(DST_R_NOENGINE);
if (engine == NULL) {
colon = strchr(label, ':');
if (colon == NULL)
DST_RET(DST_R_NOENGINE);
tmpengine = isc_mem_strdup(key->mctx, label);
if (tmpengine == NULL)
DST_RET(ISC_R_NOMEMORY);
colon = strchr(tmpengine, ':');
*colon = '\0';
}
e = dst__openssl_getengine(engine);
if (e == NULL)
DST_RET(DST_R_NOENGINE);
@ -1402,17 +1410,13 @@ opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
if (pkey == NULL)
DST_RET(dst__openssl_toresult2("ENGINE_load_private_key",
ISC_R_NOTFOUND));
if (engine != NULL) {
if (tmpengine != NULL) {
key->engine = tmpengine;
tmpengine = NULL;
} else {
key->engine = isc_mem_strdup(key->mctx, engine);
if (key->engine == NULL)
DST_RET(ISC_R_NOMEMORY);
} else {
key->engine = isc_mem_strdup(key->mctx, label);
if (key->engine == NULL)
DST_RET(ISC_R_NOMEMORY);
colon = strchr(key->engine, ':');
if (colon != NULL)
*colon = '\0';
}
key->label = isc_mem_strdup(key->mctx, label);
if (key->label == NULL)
@ -1437,6 +1441,8 @@ opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
return (ISC_R_SUCCESS);
err:
if (tmpengine != NULL)
isc_mem_free(key->mctx, tmpengine);
if (rsa != NULL)
RSA_free(rsa);
if (pubrsa != NULL)

6
lib/dns/rbt.c
View File

@ -2353,8 +2353,7 @@ rotate_left(dns_rbtnode_t *node, dns_rbtnode_t **rootp) {
PARENT(LEFT(child)) = node;
LEFT(child) = node;
if (child != NULL)
PARENT(child) = PARENT(node);
PARENT(child) = PARENT(node);
if (IS_ROOT(node)) {
*rootp = child;
@ -2386,8 +2385,7 @@ rotate_right(dns_rbtnode_t *node, dns_rbtnode_t **rootp) {
PARENT(RIGHT(child)) = node;
RIGHT(child) = node;
if (child != NULL)
PARENT(child) = PARENT(node);
PARENT(child) = PARENT(node);
if (IS_ROOT(node)) {
*rootp = child;

11
lib/dns/rrl.c
View File

@ -1161,22 +1161,17 @@ dns_rrl(dns_view_t *view,
client_addr, now,
log_buf, log_buf_len);
if (rrl_all_result != DNS_RRL_RESULT_OK) {
int level;
e = e_all;
rrl_result = rrl_all_result;
if (rrl_result == DNS_RRL_RESULT_OK)
level = DNS_RRL_LOG_DEBUG2;
else
level = DNS_RRL_LOG_DEBUG1;
if (isc_log_wouldlog(dns_lctx, level)) {
if (isc_log_wouldlog(dns_lctx, DNS_RRL_LOG_DEBUG1)) {
make_log_buf(rrl, e,
"prefer all-per-second limiting ",
NULL, ISC_TRUE, qname, ISC_FALSE,
DNS_RRL_RESULT_OK, resp_result,
log_buf, log_buf_len);
isc_log_write(dns_lctx, DNS_LOGCATEGORY_RRL,
DNS_LOGMODULE_REQUEST, level,
DNS_LOGMODULE_REQUEST,
DNS_RRL_LOG_DEBUG1,
"%s", log_buf);
}
}

2
lib/dns/view.c
View File

@ -1332,7 +1332,7 @@ dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
if (result == ISC_R_SUCCESS) {
if (zfname != NULL &&
(!dns_name_issubdomain(fname, zfname) ||
(dns_zone_staticstub &&
(dns_zone_gettype(zone) == dns_zone_staticstub &&
dns_name_equal(fname, zfname)))) {
/*
* We found a zonecut in the cache, but our

6
lib/dns/zone.c
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@ -12782,10 +12782,10 @@ dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from,
dns_zone_log(zone, ISC_LOG_INFO, "notify from %s: no serial",
fromtext);
zone->notifyfrom = *from;
local = zone->masteraddr;
remote = zone->sourceaddr;
remote = zone->masteraddr;
local = zone->sourceaddr;
UNLOCK_ZONE(zone);
dns_zonemgr_unreachabledel(zone->zmgr, &local, &remote);
dns_zonemgr_unreachabledel(zone->zmgr, &remote, &local);
dns_zone_refresh(zone);
return (ISC_R_SUCCESS);
}

2
lib/isc/unix/app.c
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@ -723,7 +723,7 @@ isc__app_ctxrun(isc_appctx_t *ctx0) {
return (ISC_R_UNEXPECTED);
}
#endif
result = sigsuspend(&sset);
(void)sigsuspend(&sset);
} else {
/*
* External, or BIND9 using multiple contexts: