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bugfixes: small issues detected by clang static analyzer 10

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This commit is contained in:
Rainer Gerhards 2019-12-10 12:02:02 +01:00
parent 56b1dd06ae
commit deb98fecc1
No known key found for this signature in database
GPG Key ID: 0CB6B2A8BE80B499
14 changed files with 39 additions and 33 deletions
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18
contrib/imdocker/imdocker.c
View File

@ -328,15 +328,15 @@ dockerContLogsBufDestruct(docker_cont_logs_buf_t *pThis) {
}
static rsRetVal
dockerContLogsBufWrite(docker_cont_logs_buf_t *pThis, const uchar *pdata, size_t write_size) {
dockerContLogsBufWrite(docker_cont_logs_buf_t *const pThis, const uchar *const pdata, const size_t write_size) {
DEFiRet;
imdocker_buf_t *mem = pThis->buf;
imdocker_buf_t *const mem = pThis->buf;
if (mem->len + write_size + 1 > mem->data_size) {
uchar *pbuf=NULL;
if ((pbuf = realloc(mem->data, mem->len + write_size + 1)) == NULL) {
uchar *const pbuf = realloc(mem->data, mem->len + write_size + 1);
if(pbuf == NULL) {
LogError(errno, RS_RET_ERR, "%s() - realloc failed!\n", __FUNCTION__);
return RS_RET_OUT_OF_MEMORY;
ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
}
mem->data = pbuf;
mem->data_size = mem->len+ write_size + 1;
@ -352,7 +352,8 @@ dockerContLogsBufWrite(docker_cont_logs_buf_t *pThis, const uchar *pdata, size_t
pThis->bytes_remaining -= write_size;
}
return iRet;
finalize_it:
RETiRet;
}
rsRetVal imdockerReqNew(imdocker_req_t **ppThis) {
@ -739,7 +740,8 @@ dockerContLogReqsPrint(docker_cont_log_instances_t *pThis) {
/* NOTE: not thread safe */
static rsRetVal
dockerContLogReqsAdd(docker_cont_log_instances_t *pThis,
docker_cont_logs_inst_t *pContLogsReqInst) {
docker_cont_logs_inst_t *pContLogsReqInst)
{
DEFiRet;
if (!pContLogsReqInst) {
return RS_RET_ERR;
@ -753,9 +755,11 @@ dockerContLogReqsAdd(docker_cont_log_instances_t *pThis,
if (!hashtable_insert(pThis->ht_container_log_insts, keyName, pContLogsReqInst)) {
ABORT_FINALIZE(RS_RET_ERR);
}
keyName = NULL;
}
}
finalize_it:
free(keyName);
RETiRet;
}

11
contrib/mmkubernetes/mmkubernetes.c
View File

@ -1195,7 +1195,7 @@ cache_entry_get(wrkrInstanceData_t *pWrkrData,
*/
static rsRetVal
cache_entry_add(wrkrInstanceData_t *pWrkrData,
int isnsmd, const char *key, struct fjson_object *jso, time_t now)
int isnsmd, const char *key, struct fjson_object *jso, time_t now, const int bDupKey)
{
DEFiRet;
struct cache_entry_s *cache_entry = NULL;
@ -1205,7 +1205,7 @@ cache_entry_add(wrkrInstanceData_t *pWrkrData,
(void)cache_delete_expired_entries(pWrkrData, isnsmd, now);
CHKmalloc(cache_entry = cache_entry_new(now + pWrkrData->pData->cacheEntryTTL, jso));
if (cache_entry) {
if (!hashtable_insert(ht, (void *)key, cache_entry))
if (!hashtable_insert(ht, (void *)(bDupKey ? strdup(key) : key), cache_entry))
ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
if (isnsmd) {
@ -1239,14 +1239,14 @@ static struct fjson_object *cache_entry_get_nsmd(wrkrInstanceData_t *pWrkrData,
static rsRetVal cache_entry_add_md(wrkrInstanceData_t *pWrkrData, const char *key,
struct fjson_object *jso, time_t now)
{
return cache_entry_add(pWrkrData, 0, key, jso, now);
return cache_entry_add(pWrkrData, 0, key, jso, now, 0);
}
/* must be called with cache->cacheMtx held */
static rsRetVal cache_entry_add_nsmd(wrkrInstanceData_t *pWrkrData, const char *key,
struct fjson_object *jso, time_t now)
{
return cache_entry_add(pWrkrData, 1, key, jso, now);
return cache_entry_add(pWrkrData, 1, key, jso, now, 1);
}
@ -1925,9 +1925,10 @@ CODESTARTdoAction
}
if(jNsMeta) {
if ((iRet = cache_entry_add_nsmd(pWrkrData, strdup(ns), jNsMeta, now)))
if ((iRet = cache_entry_add_nsmd(pWrkrData, ns, jNsMeta, now))) {
ABORT_FINALIZE(iRet);
}
}
json_object_put(jReply);
jReply = NULL;
}

2
contrib/omrabbitmq/omrabbitmq.c
View File

@ -1039,7 +1039,9 @@ CODESTARTnewActInst
if (expiration > 0) {
char buf[40];
snprintf(buf, 40, "%lld", expiration);
#ifndef __clang_analyzer__
pData->expiration = cstring_bytes(strdup(buf));
#endif
}
} else if (!strcmp(actpblk.descr[i].name, "body_template")) {
pData->body_template = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);

4
grammar/rainerscript.c
View File

@ -2,7 +2,7 @@
*
* Module begun 2011-07-01 by Rainer Gerhards
*
* Copyright 2011-2018 Rainer Gerhards and Others.
* Copyright 2011-2019 Rainer Gerhards and Others.
*
* This file is part of the rsyslog runtime library.
*
@ -3436,7 +3436,7 @@ initFunc_re_match(struct cnffunc *func)
}
} else { /* regexp object could not be loaded */
parser_errmsg("could not load regex support - regex ignored");
ABORT_FINALIZE(RS_RET_ERR);
ABORT_FINALIZE(localRet);
}
finalize_it:

3
plugins/imgssapi/imgssapi.c
View File

@ -598,7 +598,6 @@ int TCPSessGSSRecv(tcps_sess_t *pSess, void *buf, size_t buf_len, ssize_t *piLen
OM_uint32 maj_stat, min_stat;
int fdSess;
int conf_state;
int state;
gss_sess_t *pGSess;
assert(pSess->pUsr != NULL);
@ -606,7 +605,7 @@ int TCPSessGSSRecv(tcps_sess_t *pSess, void *buf, size_t buf_len, ssize_t *piLen
pGSess = (gss_sess_t*) pSess->pUsr;
netstrm.GetSock(pSess->pStrm, &fdSess); // TODO: method access, CHKiRet!
if ((state = gssutil.recv_token(fdSess, &xmit_buf)) <= 0)
if(gssutil.recv_token(fdSess, &xmit_buf) <= 0)
ABORT_FINALIZE(RS_RET_GSS_ERR);
context = &pGSess->gss_context;

3
plugins/imkafka/imkafka.c
View File

@ -320,7 +320,6 @@ static rsRetVal ATTR_NONNULL()
checkInstance(instanceConf_t *const inst)
{
DEFiRet;
int nBrokers;
char kafkaErrMsg[1024];
/* main kafka conf */
@ -431,7 +430,7 @@ checkInstance(instanceConf_t *const inst)
#endif
DBGPRINTF("imkafka: setting brokers: '%s'\n", inst->brokers);
if((nBrokers = rd_kafka_brokers_add(inst->rk, (char*)inst->brokers)) == 0) {
if(rd_kafka_brokers_add(inst->rk, (char*)inst->brokers) == 0) {
if(inst->bReportErrs) {
LogError(0, RS_RET_KAFKA_NO_VALID_BROKERS,
"imkafka: no valid brokers specified: %s", inst->brokers);

7
plugins/omgssapi/omgssapi.c
View File

@ -350,7 +350,6 @@ static rsRetVal doTryResume(instanceData *pData)
DEFiRet;
struct addrinfo *res;
struct addrinfo hints;
unsigned e;
switch (pData->eDestState) {
case eDestFORW_SUSP:
@ -369,8 +368,7 @@ static rsRetVal doTryResume(instanceData *pData)
hints.ai_flags = AI_NUMERICSERV;
hints.ai_family = glbl.GetDefPFFamily();
hints.ai_socktype = SOCK_STREAM;
if((e = getaddrinfo(pData->f_hname,
getFwdSyslogPt(pData), &hints, &res)) == 0) {
if(getaddrinfo(pData->f_hname, getFwdSyslogPt(pData), &hints, &res) == 0) {
dbgprintf("%s found, resuming.\n", pData->f_hname);
pData->f_addr = res;
pData->eDestState = eDestFORW;
@ -483,7 +481,6 @@ ENDdoAction
BEGINparseSelectorAct
uchar *q;
int i;
int error;
int bErr;
struct addrinfo hints, *res;
TCPFRAMINGMODE tcp_framing = TCP_FRAMING_OCTET_STUFFING;
@ -625,7 +622,7 @@ CODE_STD_STRING_REQUESTparseSelectorAct(1)
hints.ai_flags = AI_NUMERICSERV;
hints.ai_family = glbl.GetDefPFFamily();
hints.ai_socktype = SOCK_STREAM;
if( (error = getaddrinfo(pData->f_hname, getFwdSyslogPt(pData), &hints, &res)) != 0) {
if(getaddrinfo(pData->f_hname, getFwdSyslogPt(pData), &hints, &res) != 0) {
pData->eDestState = eDestFORW_UNKN;
} else {
pData->eDestState = eDestFORW;

3
plugins/omkafka/omkafka.c
View File

@ -1226,7 +1226,6 @@ static rsRetVal
openKafka(instanceData *const __restrict__ pData)
{
char errstr[MAX_ERRMSG];
int nBrokers = 0;
DEFiRet;
if(pData->bIsOpen)
@ -1291,7 +1290,7 @@ openKafka(instanceData *const __restrict__ pData)
rd_kafka_conf_set_log_cb(pData->rk, kafkaLogger);
# endif
DBGPRINTF("omkafka setting brokers: '%s'n", pData->brokers);
if((nBrokers = rd_kafka_brokers_add(pData->rk, (char*)pData->brokers)) == 0) {
if(rd_kafka_brokers_add(pData->rk, (char*)pData->brokers) == 0) {
LogError(0, RS_RET_KAFKA_NO_VALID_BROKERS,
"omkafka: no valid brokers specified: %s\n", pData->brokers);
ABORT_FINALIZE(RS_RET_KAFKA_NO_VALID_BROKERS);

5
plugins/omlibdbi/omlibdbi.c
View File

@ -290,9 +290,10 @@ static rsRetVal initConn(instanceData *pData, int bSilent)
int is_sqlite2 = !strcmp((const char *)pData->drvrName, "sqlite");
int is_sqlite3 = !strcmp((const char *)pData->drvrName, "sqlite3");
if(is_sqlite2 || is_sqlite3) {
char *dn = strdup((char*)pData->dbName);
dn = dirname(dn);
char *const dn_org = strdup((char*)pData->dbName);
char *const dn = dirname(dn_org);
dbi_conn_set_option(pData->conn, is_sqlite3 ? "sqlite3_dbdir" : "sqlite_dbdir",dn);
free(dn_org); /* Free original buffer - dirname may return different pointer */
char *tmp = strdup((char*)pData->dbName);
char *bn = basename(tmp);

4
plugins/omudpspoof/omudpspoof.c
View File

@ -367,7 +367,7 @@ UDPSend(wrkrInstanceData_t *pWrkrData, uchar *pszSourcename, char *msg, size_t l
int bSendSuccess;
instanceData *pData;
struct sockaddr_in *tempaddr,source_ip;
libnet_ptag_t ip, ipo;
libnet_ptag_t ip;
libnet_ptag_t udp;
sbool bNeedUnlock = 0;
/* hdrOffs = fragmentation flags + offset (in bytes)
@ -387,7 +387,7 @@ UDPSend(wrkrInstanceData_t *pWrkrData, uchar *pszSourcename, char *msg, size_t l
len = 65528;
}
ip = ipo = udp = 0;
ip = udp = 0;
if(pWrkrData->sourcePort++ >= pData->sourcePortEnd){
pWrkrData->sourcePort = pData->sourcePortStart;
}

2
plugins/pmnormalize/pmnormalize.c
View File

@ -210,7 +210,7 @@ finalize_it:
CODE_STD_FINALIZERnewParserInst
if(lst != NULL)
cnfparamvalsDestruct(pvals, &parserpblk);
if(iRet != RS_RET_OK)
if(iRet != RS_RET_OK && inst != NULL)
freeParserInst(inst);
ENDnewParserInst

1
runtime/modules.c
View File

@ -1298,6 +1298,7 @@ finalize_it:
free(pPathBuf);
if(iRet != RS_RET_OK)
abortCnfUse(&pNew);
free(pNew); /* is NULL again if properly consumed, else clean up */
pthread_mutex_unlock(&mutObjGlobalOp);
RETiRet;
}

4
runtime/queue.c
View File

@ -1872,8 +1872,8 @@ DequeueConsumableElements(qqueue_t *const pThis, wti_t *const pWti,
}
}
if(keep_running) {
keep_running = ((iQueueSize = getLogicalQueueSize(pThis)) > 0
&& nDequeued < pThis->iDeqBatchSize);
keep_running = (getLogicalQueueSize(pThis) > 0)
&& (nDequeued < pThis->iDeqBatchSize);
}
}

5
tools/rscryutil.c
View File

@ -1,6 +1,6 @@
/* This is a tool for processing rsyslog encrypted log files.
*
* Copyright 2013-2016 Adiscon GmbH
* Copyright 2013-2019 Adiscon GmbH
*
* This file is part of rsyslog.
*
@ -195,6 +195,7 @@ initCrypt(FILE *eifp)
if((r = eiGetIV(eifp, iv, blkLength)) != 0) goto done;
size_t keyLength = gcry_cipher_get_algo_keylen(cry_algo);
assert(cry_key != NULL); /* "fix" clang 10 static analyzer false positive */
if(strlen(cry_key) != keyLength) {
fprintf(stderr, "invalid key length; key is %u characters, but "
"exactly %llu characters are required\n", cry_keylen,
@ -526,6 +527,7 @@ main(int argc, char *argv[])
}
setKey();
assert(cry_key != NULL);
if(mode == MD_WRITE_KEYFILE) {
if(optind != argc) {
@ -543,6 +545,7 @@ main(int argc, char *argv[])
}
}
assert(cry_key != NULL);
memset(cry_key, 0, cry_keylen); /* zero-out key store */
cry_keylen = 0;
return 0;