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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 16:28:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 16:28:20 +0000
commitdcc721a95bef6f0d8e6d8775b8efe33e5aecd562 (patch)
tree66a2774cd0ee294d019efd71d2544c70f42b2842 /contrib/omhttp
parentInitial commit. (diff)
downloadrsyslog-dcc721a95bef6f0d8e6d8775b8efe33e5aecd562.tar.xz
rsyslog-dcc721a95bef6f0d8e6d8775b8efe33e5aecd562.zip
Adding upstream version 8.2402.0.upstream/8.2402.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--contrib/omhttp/Makefile.am8
-rw-r--r--contrib/omhttp/Makefile.in798
-rw-r--r--contrib/omhttp/omhttp.c2212
-rw-r--r--contrib/omhttpfs/Makefile.am9
-rw-r--r--contrib/omhttpfs/Makefile.in798
-rw-r--r--contrib/omhttpfs/omhttpfs.c855
6 files changed, 4680 insertions, 0 deletions
diff --git a/contrib/omhttp/Makefile.am b/contrib/omhttp/Makefile.am
new file mode 100644
index 0000000..cb29149
--- /dev/null
+++ b/contrib/omhttp/Makefile.am
@@ -0,0 +1,8 @@
+pkglib_LTLIBRARIES = omhttp.la
+
+omhttp_la_SOURCES = omhttp.c
+omhttp_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) $(CURL_CFLAGS)
+omhttp_la_LDFLAGS = -module -avoid-version
+omhttp_la_LIBADD = $(CURL_LIBS) $(LIBM)
+
+EXTRA_DIST =
diff --git a/contrib/omhttp/Makefile.in b/contrib/omhttp/Makefile.in
new file mode 100644
index 0000000..1dc03f3
--- /dev/null
+++ b/contrib/omhttp/Makefile.in
@@ -0,0 +1,798 @@
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+ if test -f $$p; then \
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+ done
+
+clean-pkglibLTLIBRARIES:
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+ @list='$(pkglib_LTLIBRARIES)'; \
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+
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+
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+
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+@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@ $(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
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+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+ $(am__define_uniq_tagged_files); mkid -fID $$unique
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+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+ set x; \
+ here=`pwd`; \
+ $(am__define_uniq_tagged_files); \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
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+ctags: ctags-am
+
+CTAGS: ctags
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+ fi
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+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/contrib/omhttp/omhttp.c b/contrib/omhttp/omhttp.c
new file mode 100644
index 0000000..a2a8111
--- /dev/null
+++ b/contrib/omhttp/omhttp.c
@@ -0,0 +1,2212 @@
+/* omhttp.c
+ * This is an http output module based on omelasticsearch
+ *
+ * NOTE: read comments in module-template.h for more specifics!
+ *
+ * Copyright 2011 Nathan Scott.
+ * Copyright 2009-2018 Rainer Gerhards and Adiscon GmbH.
+ * Copyright 2018 Christian Tramnitz
+ *
+ * This file is part of rsyslog.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * -or-
+ * see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "config.h"
+#include "rsyslog.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <string.h>
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <assert.h>
+#include <signal.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#if defined(__FreeBSD__)
+#include <unistd.h>
+#endif
+#include <json.h>
+#include <zlib.h>
+#include "conf.h"
+#include "syslogd-types.h"
+#include "srUtils.h"
+#include "template.h"
+#include "module-template.h"
+#include "errmsg.h"
+#include "cfsysline.h"
+#include "unicode-helper.h"
+#include "obj-types.h"
+#include "ratelimit.h"
+#include "ruleset.h"
+#include "statsobj.h"
+
+#ifndef O_LARGEFILE
+# define O_LARGEFILE 0
+#endif
+
+MODULE_TYPE_OUTPUT
+MODULE_TYPE_NOKEEP
+MODULE_CNFNAME("omhttp")
+
+/* internal structures */
+DEF_OMOD_STATIC_DATA
+DEFobjCurrIf(prop)
+DEFobjCurrIf(ruleset)
+DEFobjCurrIf(statsobj)
+
+statsobj_t *httpStats;
+STATSCOUNTER_DEF(ctrMessagesSubmitted, mutCtrMessagesSubmitted); // Number of message submitted to module
+STATSCOUNTER_DEF(ctrMessagesSuccess, mutCtrMessagesSuccess); // Number of messages successfully sent
+STATSCOUNTER_DEF(ctrMessagesFail, mutCtrMessagesFail); // Number of messages that failed to send
+STATSCOUNTER_DEF(ctrMessagesRetry, mutCtrMessagesRetry); // Number of messages requeued for retry
+STATSCOUNTER_DEF(ctrHttpRequestCount, mutCtrHttpRequestCount); // Number of attempted HTTP requests
+STATSCOUNTER_DEF(ctrHttpRequestSuccess, mutCtrHttpRequestSuccess); // Number of successful HTTP requests
+STATSCOUNTER_DEF(ctrHttpRequestFail, mutCtrHttpRequestFail); // Number of failed HTTP req, 4XX+ are NOT failures
+STATSCOUNTER_DEF(ctrHttpStatusSuccess, mutCtrHttpStatusSuccess); // Number of requests returning 1XX/2XX status
+STATSCOUNTER_DEF(ctrHttpStatusFail, mutCtrHttpStatusFail); // Number of requests returning 300+ status
+
+static prop_t *pInputName = NULL;
+
+#define WRKR_DATA_TYPE_ES 0xBADF0001
+
+#define HTTP_HEADER_CONTENT_JSON "Content-Type: application/json; charset=utf-8"
+#define HTTP_HEADER_CONTENT_TEXT "Content-Type: text/plain"
+#define HTTP_HEADER_CONTENT_KAFKA "Content-Type: application/vnd.kafka.v1+json"
+#define HTTP_HEADER_ENCODING_GZIP "Content-Encoding: gzip"
+#define HTTP_HEADER_EXPECT_EMPTY "Expect:"
+
+#define VALID_BATCH_FORMATS "newline jsonarray kafkarest lokirest"
+typedef enum batchFormat_e {
+ FMT_NEWLINE,
+ FMT_JSONARRAY,
+ FMT_KAFKAREST,
+ FMT_LOKIREST
+} batchFormat_t;
+
+/* REST API uses this URL:
+ * https://<hostName>:<restPort>/restPath
+*/
+typedef struct curl_slist HEADER;
+typedef struct instanceConf_s {
+ int defaultPort;
+ int fdErrFile; /* error file fd or -1 if not open */
+ pthread_mutex_t mutErrFile;
+ uchar **serverBaseUrls;
+ int numServers;
+ long healthCheckTimeout;
+ uchar *uid;
+ uchar *pwd;
+ uchar *authBuf;
+ uchar *httpcontenttype;
+ uchar *headerContentTypeBuf;
+ uchar *httpheaderkey;
+ uchar *httpheadervalue;
+ uchar *headerBuf;
+ uchar **httpHeaders;
+ int nHttpHeaders;
+ uchar *restPath;
+ uchar *checkPath;
+ uchar *tplName;
+ uchar *errorFile;
+ sbool batchMode;
+ uchar *batchFormatName;
+ batchFormat_t batchFormat;
+ sbool bFreeBatchFormatName;
+ sbool dynRestPath;
+ size_t maxBatchBytes;
+ size_t maxBatchSize;
+ sbool compress;
+ int compressionLevel; /* Compression level for zlib, default=-1, fastest=1, best=9, none=0*/
+ sbool useHttps;
+ sbool allowUnsignedCerts;
+ sbool skipVerifyHost;
+ uchar *caCertFile;
+ uchar *myCertFile;
+ uchar *myPrivKeyFile;
+ sbool reloadOnHup;
+ sbool retryFailures;
+ unsigned int ratelimitInterval;
+ unsigned int ratelimitBurst;
+ /* for retries */
+ ratelimit_t *ratelimiter;
+ uchar *retryRulesetName;
+ ruleset_t *retryRuleset;
+ struct instanceConf_s *next;
+} instanceData;
+
+struct modConfData_s {
+ rsconf_t *pConf; /* our overall config object */
+ instanceConf_t *root, *tail;
+};
+static modConfData_t *loadModConf = NULL; /* modConf ptr to use for the current load process */
+
+typedef struct wrkrInstanceData {
+ PTR_ASSERT_DEF
+ instanceData *pData;
+ int serverIndex;
+ int replyLen;
+ char *reply;
+ long httpStatusCode; /* http status code of response */
+ CURL *curlCheckConnHandle; /* libcurl session handle for checking the server connection */
+ CURL *curlPostHandle; /* libcurl session handle for posting data to the server */
+ HEADER *curlHeader; /* json POST request info */
+ uchar *restURL; /* last used URL for error reporting */
+ sbool bzInitDone;
+ z_stream zstrm; /* zip stream to use for gzip http compression */
+ struct {
+ uchar **data; /* array of strings, this will be batched up lazily */
+ uchar *restPath; /* Helper for restpath in batch mode */
+ size_t sizeBytes; /* total length of this batch in bytes */
+ size_t nmemb; /* number of messages in batch (for statistics counting) */
+
+ } batch;
+ struct {
+ uchar *buf;
+ size_t curLen;
+ size_t len;
+ } compressCtx;
+} wrkrInstanceData_t;
+
+/* tables for interfacing with the v6 config system */
+/* action (instance) parameters */
+static struct cnfparamdescr actpdescr[] = {
+ { "server", eCmdHdlrArray, 0 },
+ { "serverport", eCmdHdlrInt, 0 },
+ { "healthchecktimeout", eCmdHdlrInt, 0 },
+ { "httpcontenttype", eCmdHdlrGetWord, 0 },
+ { "httpheaderkey", eCmdHdlrGetWord, 0 },
+ { "httpheadervalue", eCmdHdlrString, 0 },
+ { "httpheaders", eCmdHdlrArray, 0 },
+ { "uid", eCmdHdlrGetWord, 0 },
+ { "pwd", eCmdHdlrGetWord, 0 },
+ { "restpath", eCmdHdlrGetWord, 0 },
+ { "checkpath", eCmdHdlrGetWord, 0 },
+ { "dynrestpath", eCmdHdlrBinary, 0 },
+ { "batch", eCmdHdlrBinary, 0 },
+ { "batch.format", eCmdHdlrGetWord, 0 },
+ { "batch.maxbytes", eCmdHdlrSize, 0 },
+ { "batch.maxsize", eCmdHdlrSize, 0 },
+ { "compress", eCmdHdlrBinary, 0 },
+ { "compress.level", eCmdHdlrInt, 0 },
+ { "usehttps", eCmdHdlrBinary, 0 },
+ { "errorfile", eCmdHdlrGetWord, 0 },
+ { "template", eCmdHdlrGetWord, 0 },
+ { "allowunsignedcerts", eCmdHdlrBinary, 0 },
+ { "skipverifyhost", eCmdHdlrBinary, 0 },
+ { "tls.cacert", eCmdHdlrString, 0 },
+ { "tls.mycert", eCmdHdlrString, 0 },
+ { "tls.myprivkey", eCmdHdlrString, 0 },
+ { "reloadonhup", eCmdHdlrBinary, 0 },
+ { "retry", eCmdHdlrBinary, 0 },
+ { "retry.ruleset", eCmdHdlrString, 0 },
+ { "ratelimit.interval", eCmdHdlrInt, 0 },
+ { "ratelimit.burst", eCmdHdlrInt, 0 },
+};
+static struct cnfparamblk actpblk =
+ { CNFPARAMBLK_VERSION,
+ sizeof(actpdescr)/sizeof(struct cnfparamdescr),
+ actpdescr
+ };
+
+static rsRetVal curlSetup(wrkrInstanceData_t *pWrkrData);
+static void curlCleanup(wrkrInstanceData_t *pWrkrData);
+static void curlCheckConnSetup(wrkrInstanceData_t *const pWrkrData);
+
+/* compressCtx functions */
+static void ATTR_NONNULL()
+initCompressCtx(wrkrInstanceData_t *pWrkrData);
+
+static void ATTR_NONNULL()
+freeCompressCtx(wrkrInstanceData_t *pWrkrData);
+
+static rsRetVal ATTR_NONNULL()
+resetCompressCtx(wrkrInstanceData_t *pWrkrData, size_t len);
+
+static rsRetVal ATTR_NONNULL()
+growCompressCtx(wrkrInstanceData_t *pWrkrData, size_t newLen);
+
+static rsRetVal ATTR_NONNULL()
+appendCompressCtx(wrkrInstanceData_t *pWrkrData, uchar *srcBuf, size_t srcLen);
+
+BEGINcreateInstance
+CODESTARTcreateInstance
+ pData->fdErrFile = -1;
+ pthread_mutex_init(&pData->mutErrFile, NULL);
+ pData->caCertFile = NULL;
+ pData->myCertFile = NULL;
+ pData->myPrivKeyFile = NULL;
+ pData->ratelimiter = NULL;
+ pData->retryRulesetName = NULL;
+ pData->retryRuleset = NULL;
+ENDcreateInstance
+
+BEGINcreateWrkrInstance
+uchar **batchData;
+CODESTARTcreateWrkrInstance
+ PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+ pWrkrData->curlHeader = NULL;
+ pWrkrData->curlPostHandle = NULL;
+ pWrkrData->curlCheckConnHandle = NULL;
+ pWrkrData->serverIndex = 0;
+ pWrkrData->httpStatusCode = 0;
+ pWrkrData->restURL = NULL;
+ pWrkrData->bzInitDone = 0;
+ if(pData->batchMode) {
+ pWrkrData->batch.nmemb = 0;
+ pWrkrData->batch.sizeBytes = 0;
+ batchData = (uchar **) malloc(pData->maxBatchSize * sizeof(uchar *));
+ if (batchData == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: cannot allocate memory for batch queue turning off batch mode\n");
+ pData->batchMode = 0; /* at least it works */
+ } else {
+ pWrkrData->batch.data = batchData;
+ pWrkrData->batch.restPath = NULL;
+ }
+ }
+ initCompressCtx(pWrkrData);
+ iRet = curlSetup(pWrkrData);
+ENDcreateWrkrInstance
+
+BEGINisCompatibleWithFeature
+CODESTARTisCompatibleWithFeature
+ if(eFeat == sFEATURERepeatedMsgReduction)
+ iRet = RS_RET_OK;
+ENDisCompatibleWithFeature
+
+BEGINfreeInstance
+ int i;
+CODESTARTfreeInstance
+ if(pData->fdErrFile != -1)
+ close(pData->fdErrFile);
+ pthread_mutex_destroy(&pData->mutErrFile);
+ for(i = 0 ; i < pData->numServers ; ++i)
+ free(pData->serverBaseUrls[i]);
+ free(pData->serverBaseUrls);
+ free(pData->uid);
+ free(pData->httpcontenttype);
+ free(pData->headerContentTypeBuf);
+ free(pData->httpheaderkey);
+ free(pData->httpheadervalue);
+ for(i = 0 ; i < pData->nHttpHeaders ; ++i) {
+ free((void*) pData->httpHeaders[i]);
+ }
+ free(pData->httpHeaders);
+ pData->nHttpHeaders = 0;
+ free(pData->pwd);
+ free(pData->authBuf);
+ free(pData->headerBuf);
+ free(pData->restPath);
+ free(pData->checkPath);
+ free(pData->tplName);
+ free(pData->errorFile);
+ free(pData->caCertFile);
+ free(pData->myCertFile);
+ free(pData->myPrivKeyFile);
+ free(pData->retryRulesetName);
+ if (pData->ratelimiter != NULL)
+ ratelimitDestruct(pData->ratelimiter);
+ if (pData->bFreeBatchFormatName)
+ free(pData->batchFormatName);
+ENDfreeInstance
+
+BEGINfreeWrkrInstance
+CODESTARTfreeWrkrInstance
+ curlCleanup(pWrkrData);
+
+ free(pWrkrData->restURL);
+ pWrkrData->restURL = NULL;
+
+ free(pWrkrData->batch.data);
+ pWrkrData->batch.data = NULL;
+
+ if (pWrkrData->batch.restPath != NULL) {
+ free(pWrkrData->batch.restPath);
+ pWrkrData->batch.restPath = NULL;
+ }
+
+ if (pWrkrData->bzInitDone)
+ deflateEnd(&pWrkrData->zstrm);
+ freeCompressCtx(pWrkrData);
+
+ENDfreeWrkrInstance
+
+BEGINdbgPrintInstInfo
+ int i;
+CODESTARTdbgPrintInstInfo
+ dbgprintf("omhttp\n");
+ dbgprintf("\ttemplate='%s'\n", pData->tplName);
+ dbgprintf("\tnumServers=%d\n", pData->numServers);
+ dbgprintf("\thealthCheckTimeout=%lu\n", pData->healthCheckTimeout);
+ dbgprintf("\tserverBaseUrls=");
+ for(i = 0 ; i < pData->numServers ; ++i)
+ dbgprintf("%c'%s'", i == 0 ? '[' : ' ', pData->serverBaseUrls[i]);
+ dbgprintf("]\n");
+ dbgprintf("\tdefaultPort=%d\n", pData->defaultPort);
+ dbgprintf("\tuid='%s'\n", pData->uid == NULL ? (uchar*)"(not configured)" : pData->uid);
+ dbgprintf("\thttpcontenttype='%s'\n", pData->httpcontenttype == NULL ?
+ (uchar*)"(not configured)" : pData->httpcontenttype);
+ dbgprintf("\thttpheaderkey='%s'\n", pData->httpheaderkey == NULL ?
+ (uchar*)"(not configured)" : pData->httpheaderkey);
+ dbgprintf("\thttpheadervalue='%s'\n", pData->httpheadervalue == NULL ?
+ (uchar*)"(not configured)" : pData->httpheadervalue);
+ dbgprintf("\thttpHeaders=[");
+ for(i = 0 ; i < pData->nHttpHeaders ; ++i)
+ dbgprintf("\t%s\n",pData->httpHeaders[i]);
+ dbgprintf("\t]\n");
+ dbgprintf("\tpwd=(%sconfigured)\n", pData->pwd == NULL ? "not " : "");
+ dbgprintf("\trest path='%s'\n", pData->restPath);
+ dbgprintf("\tcheck path='%s'\n", pData->checkPath);
+ dbgprintf("\tdynamic rest path=%d\n", pData->dynRestPath);
+ dbgprintf("\tuse https=%d\n", pData->useHttps);
+ dbgprintf("\tbatch=%d\n", pData->batchMode);
+ dbgprintf("\tbatch.format='%s'\n", pData->batchFormatName);
+ dbgprintf("\tbatch.maxbytes=%zu\n", pData->maxBatchBytes);
+ dbgprintf("\tbatch.maxsize=%zu\n", pData->maxBatchSize);
+ dbgprintf("\tcompress=%d\n", pData->compress);
+ dbgprintf("\tcompress.level=%d\n", pData->compressionLevel);
+ dbgprintf("\tallowUnsignedCerts=%d\n", pData->allowUnsignedCerts);
+ dbgprintf("\tskipVerifyHost=%d\n", pData->skipVerifyHost);
+ dbgprintf("\terrorfile='%s'\n", pData->errorFile == NULL ?
+ (uchar*)"(not configured)" : pData->errorFile);
+ dbgprintf("\ttls.cacert='%s'\n", pData->caCertFile);
+ dbgprintf("\ttls.mycert='%s'\n", pData->myCertFile);
+ dbgprintf("\ttls.myprivkey='%s'\n", pData->myPrivKeyFile);
+ dbgprintf("\treloadonhup='%d'\n", pData->reloadOnHup);
+ dbgprintf("\tretry='%d'\n", pData->retryFailures);
+ dbgprintf("\tretry.ruleset='%s'\n", pData->retryRulesetName);
+ dbgprintf("\tratelimit.interval='%u'\n", pData->ratelimitInterval);
+ dbgprintf("\tratelimit.burst='%u'\n", pData->ratelimitBurst);
+ENDdbgPrintInstInfo
+
+
+/* http POST result string ... useful for debugging */
+static size_t
+curlResult(void *ptr, size_t size, size_t nmemb, void *userdata)
+{
+ char *p = (char *)ptr;
+ wrkrInstanceData_t *pWrkrData = (wrkrInstanceData_t*) userdata;
+ char *buf;
+ size_t newlen;
+ PTR_ASSERT_CHK(pWrkrData, WRKR_DATA_TYPE_ES);
+ newlen = pWrkrData->replyLen + size*nmemb;
+ if((buf = realloc(pWrkrData->reply, newlen + 1)) == NULL) {
+ LogError(errno, RS_RET_ERR, "omhttp: realloc failed in curlResult");
+ return 0; /* abort due to failure */
+ }
+ memcpy(buf+pWrkrData->replyLen, p, size*nmemb);
+ pWrkrData->replyLen = newlen;
+ pWrkrData->reply = buf;
+ return size*nmemb;
+}
+
+/* Build basic URL part, which includes hostname and port as follows:
+ * http://hostname:port/ based on a server param
+ * Newly creates a cstr for this purpose.
+ * Note: serverParam MUST NOT end in '/' (caller must strip if it exists)
+ */
+static rsRetVal
+computeBaseUrl(const char*const serverParam,
+ const int defaultPort,
+ const sbool useHttps,
+ uchar **baseUrl)
+{
+# define SCHEME_HTTPS "https://"
+# define SCHEME_HTTP "http://"
+
+ char portBuf[64];
+ int r = 0;
+ const char *host = serverParam;
+ DEFiRet;
+
+ assert(serverParam[strlen(serverParam)-1] != '/');
+
+ es_str_t *urlBuf = es_newStr(256);
+ if (urlBuf == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: failed to allocate es_str urlBuf in computeBaseUrl");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ /* Find where the hostname/ip of the server starts. If the scheme is not specified
+ * in the uri, start the buffer with a scheme corresponding to the useHttps parameter.
+ */
+ if (strcasestr(serverParam, SCHEME_HTTP))
+ host = serverParam + strlen(SCHEME_HTTP);
+ else if (strcasestr(serverParam, SCHEME_HTTPS))
+ host = serverParam + strlen(SCHEME_HTTPS);
+ else
+ r = useHttps ? es_addBuf(&urlBuf, SCHEME_HTTPS, sizeof(SCHEME_HTTPS)-1) :
+ es_addBuf(&urlBuf, SCHEME_HTTP, sizeof(SCHEME_HTTP)-1);
+
+ if (r == 0) r = es_addBuf(&urlBuf, (char *)serverParam, strlen(serverParam));
+ if (r == 0 && !strchr(host, ':')) {
+ snprintf(portBuf, sizeof(portBuf), ":%d", defaultPort);
+ r = es_addBuf(&urlBuf, portBuf, strlen(portBuf));
+ }
+ if (r == 0) r = es_addChar(&urlBuf, '/');
+ if (r == 0) *baseUrl = (uchar*) es_str2cstr(urlBuf, NULL);
+
+ if (r != 0 || baseUrl == NULL) {
+ LogError(0, RS_RET_ERR,
+ "omhttp: error occurred computing baseUrl from server %s", serverParam);
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+finalize_it:
+ if (urlBuf) {
+ es_deleteStr(urlBuf);
+ }
+ RETiRet;
+}
+
+static inline void
+incrementServerIndex(wrkrInstanceData_t *pWrkrData)
+{
+ pWrkrData->serverIndex = (pWrkrData->serverIndex + 1) % pWrkrData->pData->numServers;
+}
+
+
+/* checks if connection to ES can be established; also iterates over
+ * potential servers to support high availability (HA) feature. If it
+ * needs to switch server, will record new one in curl handle.
+ */
+static rsRetVal ATTR_NONNULL()
+checkConn(wrkrInstanceData_t *const pWrkrData)
+{
+ CURL *curl;
+ CURLcode res;
+ es_str_t *urlBuf = NULL;
+ char* healthUrl;
+ char* serverUrl;
+ char* checkPath;
+ int i;
+ int r;
+ DEFiRet;
+
+ if (pWrkrData->pData->checkPath == NULL) {
+ DBGPRINTF("omhttp: checkConn no health check uri configured skipping it\n");
+ FINALIZE;
+ }
+
+ pWrkrData->reply = NULL;
+ pWrkrData->replyLen = 0;
+ curl = pWrkrData->curlCheckConnHandle;
+ urlBuf = es_newStr(256);
+ if (urlBuf == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: unable to allocate buffer for health check uri.");
+ ABORT_FINALIZE(RS_RET_SUSPENDED);
+ }
+
+ for(i = 0; i < pWrkrData->pData->numServers; ++i) {
+ serverUrl = (char*) pWrkrData->pData->serverBaseUrls[pWrkrData->serverIndex];
+ checkPath = (char*) pWrkrData->pData->checkPath;
+
+ es_emptyStr(urlBuf);
+ r = es_addBuf(&urlBuf, serverUrl, strlen(serverUrl));
+ if(r == 0 && checkPath != NULL)
+ r = es_addBuf(&urlBuf, checkPath, strlen(checkPath));
+ if(r == 0)
+ healthUrl = es_str2cstr(urlBuf, NULL);
+ if(r != 0 || healthUrl == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: unable to allocate buffer for health check uri.");
+ ABORT_FINALIZE(RS_RET_SUSPENDED);
+ }
+
+ curlCheckConnSetup(pWrkrData);
+ curl_easy_setopt(curl, CURLOPT_URL, healthUrl);
+ res = curl_easy_perform(curl);
+ free(healthUrl);
+
+ if (res == CURLE_OK) {
+ DBGPRINTF("omhttp: checkConn %s completed with success "
+ "on attempt %d\n", serverUrl, i);
+ ABORT_FINALIZE(RS_RET_OK);
+ }
+
+ DBGPRINTF("omhttp: checkConn %s failed on attempt %d: %s\n",
+ serverUrl, i, curl_easy_strerror(res));
+ incrementServerIndex(pWrkrData);
+ }
+
+ LogMsg(0, RS_RET_SUSPENDED, LOG_WARNING,
+ "omhttp: checkConn failed after %d attempts.", i);
+ ABORT_FINALIZE(RS_RET_SUSPENDED);
+
+finalize_it:
+ if(urlBuf != NULL)
+ es_deleteStr(urlBuf);
+
+ free(pWrkrData->reply);
+ pWrkrData->reply = NULL; /* don't leave dangling pointer */
+ RETiRet;
+}
+
+
+BEGINtryResume
+CODESTARTtryResume
+ DBGPRINTF("omhttp: tryResume called\n");
+ iRet = checkConn(pWrkrData);
+ENDtryResume
+
+
+/* get the current index and type for this message */
+static void ATTR_NONNULL(1)
+getRestPath(const instanceData *const pData, uchar **const tpls,
+ uchar **const restPath)
+{
+ *restPath = pData->restPath;
+ if(tpls == NULL) {
+ goto done;
+ }
+
+ int iNumTpls = 1;
+ if(pData->dynRestPath) {
+ *restPath = tpls[iNumTpls];
+ ++iNumTpls;
+ }
+
+done:
+ assert(restPath != NULL);
+ return;
+}
+
+
+static rsRetVal ATTR_NONNULL(1)
+setPostURL(wrkrInstanceData_t *const pWrkrData, uchar **const tpls)
+{
+ uchar *restPath;
+ char* baseUrl;
+ es_str_t *url;
+ int r;
+ DEFiRet;
+ instanceData *const pData = pWrkrData->pData;
+
+ baseUrl = (char*)pData->serverBaseUrls[pWrkrData->serverIndex];
+ url = es_newStrFromCStr(baseUrl, strlen(baseUrl));
+ if (url == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: error allocating new estr for POST url.");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ if (pWrkrData->batch.restPath != NULL) {
+ /* get from batch if set! */
+ restPath = pWrkrData->batch.restPath;
+ } else {
+ getRestPath(pData, tpls, &restPath);
+ }
+
+ r = 0;
+ if (restPath != NULL)
+ r = es_addBuf(&url, (char*)restPath, ustrlen(restPath));
+
+ if(r != 0) {
+ LogError(0, RS_RET_ERR, "omhttp: failure in creating restURL, "
+ "error code: %d", r);
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ if(pWrkrData->restURL != NULL)
+ free(pWrkrData->restURL);
+
+ pWrkrData->restURL = (uchar*)es_str2cstr(url, NULL);
+ curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_URL, pWrkrData->restURL);
+ DBGPRINTF("omhttp: using REST URL: '%s'\n", pWrkrData->restURL);
+
+finalize_it:
+ if (url != NULL)
+ es_deleteStr(url);
+ RETiRet;
+}
+
+/*
+ * Dumps entire bulk request and response in error log
+ * {
+ * "request": {
+ * "url": "https://url.com:443/path",
+ * "postdata": "mypayload" }
+ * "response" : {
+ * "status": 400,
+ * "response": "error string" }
+ * }
+ */
+static rsRetVal
+renderJsonErrorMessage(wrkrInstanceData_t *pWrkrData, uchar *reqmsg, char **rendered)
+{
+ DEFiRet;
+ fjson_object *req = NULL;
+ fjson_object *res = NULL;
+ fjson_object *errRoot = NULL;
+
+ if ((req = fjson_object_new_object()) == NULL)
+ ABORT_FINALIZE(RS_RET_ERR);
+ fjson_object_object_add(req, "url", fjson_object_new_string((char *)pWrkrData->restURL));
+ fjson_object_object_add(req, "postdata", fjson_object_new_string((char *)reqmsg));
+
+ if ((res = fjson_object_new_object()) == NULL) {
+ fjson_object_put(req); // cleanup request object
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ #define ERR_MSG_NULL "NULL: curl request failed or no response"
+ fjson_object_object_add(res, "status", fjson_object_new_int(pWrkrData->httpStatusCode));
+ if (pWrkrData->reply == NULL) {
+ fjson_object_object_add(res, "message",
+ fjson_object_new_string_len(ERR_MSG_NULL, strlen(ERR_MSG_NULL)));
+ } else {
+ fjson_object_object_add(res, "message",
+ fjson_object_new_string_len(pWrkrData->reply, pWrkrData->replyLen));
+ }
+
+ if ((errRoot = fjson_object_new_object()) == NULL) {
+ fjson_object_put(req); // cleanup request object
+ fjson_object_put(res); // cleanup response object
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ fjson_object_object_add(errRoot, "request", req);
+ fjson_object_object_add(errRoot, "response", res);
+
+ *rendered = strdup((char *) fjson_object_to_json_string(errRoot));
+
+finalize_it:
+ if (errRoot != NULL)
+ fjson_object_put(errRoot);
+
+ RETiRet;
+}
+
+/* write data error request/replies to separate error file
+ * Note: we open the file but never close it before exit. If it
+ * needs to be closed, HUP must be sent.
+ */
+static rsRetVal ATTR_NONNULL()
+writeDataError(wrkrInstanceData_t *const pWrkrData,
+ instanceData *const pData, uchar *const reqmsg)
+{
+ char *rendered = NULL;
+ size_t toWrite;
+ ssize_t wrRet;
+ sbool bMutLocked = 0;
+
+ DEFiRet;
+
+ if(pData->errorFile == NULL) {
+ DBGPRINTF("omhttp: no local error logger defined - "
+ "ignoring REST error information\n");
+ FINALIZE;
+ }
+
+ pthread_mutex_lock(&pData->mutErrFile);
+ bMutLocked = 1;
+
+ CHKiRet(renderJsonErrorMessage(pWrkrData, reqmsg, &rendered));
+
+ if(pData->fdErrFile == -1) {
+ pData->fdErrFile = open((char*)pData->errorFile,
+ O_WRONLY|O_CREAT|O_APPEND|O_LARGEFILE|O_CLOEXEC,
+ S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
+ if(pData->fdErrFile == -1) {
+ LogError(errno, RS_RET_ERR, "omhttp: error opening error file %s",
+ pData->errorFile);
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+ }
+
+ /* we do not do real error-handling on the err file, as this finally complicates
+ * things way to much.
+ */
+ DBGPRINTF("omhttp: error record: '%s'\n", rendered);
+ toWrite = strlen(rendered) + 1;
+ /* Note: we overwrite the '\0' terminator with '\n' -- so we avoid
+ * caling malloc() -- write() does NOT need '\0'!
+ */
+ rendered[toWrite-1] = '\n'; /* NO LONGER A STRING! */
+ wrRet = write(pData->fdErrFile, rendered, toWrite);
+ if(wrRet != (ssize_t) toWrite) {
+ LogError(errno, RS_RET_IO_ERROR,
+ "omhttp: error writing error file %s, write returned %lld",
+ pData->errorFile, (long long) wrRet);
+ }
+
+finalize_it:
+ if(bMutLocked)
+ pthread_mutex_unlock(&pData->mutErrFile);
+ free(rendered);
+ RETiRet;
+}
+
+static rsRetVal
+queueBatchOnRetryRuleset(wrkrInstanceData_t *const pWrkrData, instanceData *const pData)
+{
+ uchar *msgData;
+ smsg_t *pMsg;
+ DEFiRet;
+
+ if (pData->retryRuleset == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: queueBatchOnRetryRuleset invalid call with a NULL retryRuleset");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ for (size_t i = 0; i < pWrkrData->batch.nmemb; i++) {
+ msgData = pWrkrData->batch.data[i];
+ DBGPRINTF("omhttp: queueBatchOnRetryRuleset putting message '%s' into retry ruleset '%s'\n",
+ msgData, pData->retryRulesetName);
+
+ // Construct the message object
+ CHKiRet(msgConstruct(&pMsg));
+ CHKiRet(MsgSetFlowControlType(pMsg, eFLOWCTL_FULL_DELAY));
+ MsgSetInputName(pMsg, pInputName);
+ MsgSetRawMsg(pMsg, (const char *)msgData, ustrlen(msgData));
+ MsgSetMSGoffs(pMsg, 0); // No header
+ MsgSetTAG(pMsg, (const uchar *)"omhttp-retry", 12);
+
+ // And place it on the retry ruleset
+ MsgSetRuleset(pMsg, pData->retryRuleset);
+ ratelimitAddMsg(pData->ratelimiter, NULL, pMsg);
+
+ // Count here in case not entire batch succeeds
+ STATSCOUNTER_INC(ctrMessagesRetry, mutCtrMessagesRetry);
+ }
+finalize_it:
+ RETiRet;
+}
+
+static rsRetVal
+checkResult(wrkrInstanceData_t *pWrkrData, uchar *reqmsg)
+{
+ instanceData *pData;
+ long statusCode;
+ size_t numMessages;
+ DEFiRet;
+
+ pData = pWrkrData->pData;
+ statusCode = pWrkrData->httpStatusCode;
+
+ if (pData->batchMode) {
+ numMessages = pWrkrData->batch.nmemb;
+ } else {
+ numMessages = 1;
+ }
+
+ // 500+ errors return RS_RET_SUSPENDED if NOT batchMode and should be retried
+ // status 0 is the default and the request failed for some reason, retry this too
+ // 400-499 are malformed input and should not be retried just logged instead
+ if (statusCode == 0) {
+ // request failed, suspend or retry
+ STATSCOUNTER_ADD(ctrMessagesFail, mutCtrMessagesFail, numMessages);
+ iRet = RS_RET_SUSPENDED;
+ } else if (statusCode >= 500) {
+ // server error, suspend or retry
+ STATSCOUNTER_INC(ctrHttpStatusFail, mutCtrHttpStatusFail);
+ STATSCOUNTER_ADD(ctrMessagesFail, mutCtrMessagesFail, numMessages);
+ iRet = RS_RET_SUSPENDED;
+ } else if (statusCode >= 300) {
+ // redirection or client error, NO suspend nor retry
+ STATSCOUNTER_INC(ctrHttpStatusFail, mutCtrHttpStatusFail);
+ STATSCOUNTER_ADD(ctrMessagesFail, mutCtrMessagesFail, numMessages);
+ iRet = RS_RET_DATAFAIL;
+ } else {
+ // success, normal state
+ // includes 2XX (success like 200-OK)
+ // includes 1XX (informational like 100-Continue)
+ STATSCOUNTER_INC(ctrHttpStatusSuccess, mutCtrHttpStatusSuccess);
+ STATSCOUNTER_ADD(ctrMessagesSuccess, mutCtrMessagesSuccess, numMessages);
+ iRet = RS_RET_OK;
+ }
+
+ if (iRet != RS_RET_OK) {
+ LogMsg(0, iRet, LOG_ERR, "omhttp: checkResult error http status code: %ld reply: %s",
+ statusCode, pWrkrData->reply != NULL ? pWrkrData->reply : "NULL");
+
+ writeDataError(pWrkrData, pWrkrData->pData, reqmsg);
+
+ if (iRet == RS_RET_DATAFAIL)
+ ABORT_FINALIZE(iRet);
+
+ if (pData->batchMode && pData->maxBatchSize > 1) {
+ // Write each message back to retry ruleset if configured
+ if (pData->retryFailures && pData->retryRuleset != NULL) {
+ // Retry stats counted inside this function call
+ iRet = queueBatchOnRetryRuleset(pWrkrData, pData);
+ if (iRet != RS_RET_OK) {
+ LogMsg(0, iRet, LOG_ERR,
+ "omhttp: checkResult error while queueing to retry ruleset"
+ "some messages may be lost");
+ }
+ }
+ iRet = RS_RET_OK; // We've done all we can tell rsyslog to carry on
+ }
+ }
+
+finalize_it:
+ RETiRet;
+}
+
+/* Compress a buffer before sending using zlib. Based on code from tools/omfwd.c
+ * Initialize the zstrm object for gzip compression, using this init function.
+ * deflateInit2(z_stream strm, int level, int method,
+ * int windowBits, int memLevel, int strategy);
+ * strm: the zlib stream held in pWrkrData
+ * level: the compression level held in pData
+ * method: the operation constant Z_DEFLATED
+ * windowBits: the size of the compression window 15 = log_2(32768)
+ * to configure as gzip add 16 to windowBits (w | 16) for final value 31
+ * memLevel: the memory optimization level 8 is default)
+ * strategy: using Z_DEFAULT_STRATEGY is default
+ */
+static rsRetVal
+compressHttpPayload(wrkrInstanceData_t *pWrkrData, uchar *message, unsigned len)
+{
+ int zRet;
+ unsigned outavail;
+ uchar zipBuf[32*1024];
+
+ DEFiRet;
+
+ if (!pWrkrData->bzInitDone) {
+ pWrkrData->zstrm.zalloc = Z_NULL;
+ pWrkrData->zstrm.zfree = Z_NULL;
+ pWrkrData->zstrm.opaque = Z_NULL;
+ zRet = deflateInit2(&pWrkrData->zstrm, pWrkrData->pData->compressionLevel,
+ Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
+ if (zRet != Z_OK) {
+ DBGPRINTF("omhttp: compressHttpPayload error %d returned from zlib/deflateInit2()\n", zRet);
+ ABORT_FINALIZE(RS_RET_ZLIB_ERR);
+ }
+ pWrkrData->bzInitDone = 1;
+ }
+
+ CHKiRet(resetCompressCtx(pWrkrData, len));
+
+ /* now doing the compression */
+ pWrkrData->zstrm.next_in = (Bytef*) message;
+ pWrkrData->zstrm.avail_in = len;
+ /* run deflate() on buffer until everything has been compressed */
+ do {
+ DBGPRINTF("omhttp: compressHttpPayload in deflate() loop, avail_in %d, total_in %ld\n",
+ pWrkrData->zstrm.avail_in, pWrkrData->zstrm.total_in);
+ pWrkrData->zstrm.avail_out = sizeof(zipBuf);
+ pWrkrData->zstrm.next_out = zipBuf;
+
+ zRet = deflate(&pWrkrData->zstrm, Z_NO_FLUSH);
+ DBGPRINTF("omhttp: compressHttpPayload after deflate, ret %d, avail_out %d\n",
+ zRet, pWrkrData->zstrm.avail_out);
+ if (zRet != Z_OK)
+ ABORT_FINALIZE(RS_RET_ZLIB_ERR);
+ outavail = sizeof(zipBuf) - pWrkrData->zstrm.avail_out;
+ if (outavail != 0)
+ CHKiRet(appendCompressCtx(pWrkrData, zipBuf, outavail));
+
+ } while (pWrkrData->zstrm.avail_out == 0);
+
+ /* run deflate again with Z_FINISH with no new input */
+ pWrkrData->zstrm.avail_in = 0;
+ do {
+ pWrkrData->zstrm.avail_out = sizeof(zipBuf);
+ pWrkrData->zstrm.next_out = zipBuf;
+ deflate(&pWrkrData->zstrm, Z_FINISH); /* returns Z_STREAM_END == 1 */
+ outavail = sizeof(zipBuf) - pWrkrData->zstrm.avail_out;
+ if (outavail != 0)
+ CHKiRet(appendCompressCtx(pWrkrData, zipBuf, outavail));
+
+ } while (pWrkrData->zstrm.avail_out == 0);
+
+finalize_it:
+ if (pWrkrData->bzInitDone)
+ deflateEnd(&pWrkrData->zstrm);
+ pWrkrData->bzInitDone = 0;
+ RETiRet;
+
+}
+
+static void ATTR_NONNULL()
+initCompressCtx(wrkrInstanceData_t *pWrkrData)
+{
+ pWrkrData->compressCtx.buf = NULL;
+ pWrkrData->compressCtx.curLen = 0;
+ pWrkrData->compressCtx.len = 0;
+}
+
+static void ATTR_NONNULL()
+freeCompressCtx(wrkrInstanceData_t *pWrkrData)
+{
+ if (pWrkrData->compressCtx.buf != NULL) {
+ free(pWrkrData->compressCtx.buf);
+ pWrkrData->compressCtx.buf = NULL;
+ }
+}
+
+
+static rsRetVal ATTR_NONNULL()
+resetCompressCtx(wrkrInstanceData_t *pWrkrData, size_t len)
+{
+ DEFiRet;
+ pWrkrData->compressCtx.curLen = 0;
+ pWrkrData->compressCtx.len = len;
+ CHKiRet(growCompressCtx(pWrkrData, len));
+
+finalize_it:
+ if (iRet != RS_RET_OK)
+ freeCompressCtx(pWrkrData);
+ RETiRet;
+}
+
+static rsRetVal ATTR_NONNULL()
+growCompressCtx(wrkrInstanceData_t *pWrkrData, size_t newLen)
+{
+ DEFiRet;
+ if (pWrkrData->compressCtx.buf == NULL) {
+ CHKmalloc(pWrkrData->compressCtx.buf = (uchar *)malloc(sizeof(uchar)*newLen));
+ } else {
+ uchar *const newbuf = (uchar *)realloc(pWrkrData->compressCtx.buf, sizeof(uchar)*newLen);
+ CHKmalloc(newbuf);
+ pWrkrData->compressCtx.buf = newbuf;
+ }
+ pWrkrData->compressCtx.len = newLen;
+finalize_it:
+ RETiRet;
+
+}
+
+static rsRetVal ATTR_NONNULL()
+appendCompressCtx(wrkrInstanceData_t *pWrkrData, uchar *srcBuf, size_t srcLen)
+{
+ size_t newLen;
+ DEFiRet;
+ newLen = pWrkrData->compressCtx.curLen + srcLen;
+ if (newLen > pWrkrData->compressCtx.len)
+ CHKiRet(growCompressCtx(pWrkrData, newLen));
+
+ memcpy(pWrkrData->compressCtx.buf + pWrkrData->compressCtx.curLen,
+ srcBuf, srcLen);
+ pWrkrData->compressCtx.curLen = newLen;
+finalize_it:
+ if (iRet != RS_RET_OK)
+ freeCompressCtx(pWrkrData);
+ RETiRet;
+}
+
+/* Some duplicate code to curlSetup, but we need to add the gzip content-encoding
+ * header at runtime, and if the compression fails, we do not want to send it.
+ * Additionally, the curlCheckConnHandle should not be configured with a gzip header.
+ */
+static rsRetVal ATTR_NONNULL()
+buildCurlHeaders(wrkrInstanceData_t *pWrkrData, sbool contentEncodeGzip)
+{
+ struct curl_slist *slist = NULL;
+
+ DEFiRet;
+
+ if (pWrkrData->pData->httpcontenttype != NULL) {
+ // If content type specified use it, otherwise use a sane default
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->headerContentTypeBuf);
+ } else {
+ if (pWrkrData->pData->batchMode) {
+ // If in batch mode, use the approprate content type header for the format,
+ // defaulting to text/plain with newline
+ switch (pWrkrData->pData->batchFormat) {
+ case FMT_JSONARRAY:
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_JSON);
+ break;
+ case FMT_KAFKAREST:
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_KAFKA);
+ break;
+ case FMT_NEWLINE:
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_TEXT);
+ break;
+ case FMT_LOKIREST:
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_JSON);
+ break;
+ default:
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_TEXT);
+ }
+ } else {
+ // Otherwise non batch, presume most users are sending JSON
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_JSON);
+ }
+ }
+
+ CHKmalloc(slist);
+
+ // Configured headers..
+ if (pWrkrData->pData->headerBuf != NULL) {
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->headerBuf);
+ CHKmalloc(slist);
+ }
+
+ for (int k = 0 ; k < pWrkrData->pData->nHttpHeaders; k++) {
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->httpHeaders[k]);
+ CHKmalloc(slist);
+ }
+
+ // When sending more than 1Kb, libcurl automatically sends an Except: 100-Continue header
+ // and will wait 1s for a response, could make this configurable but for now disable
+ slist = curl_slist_append(slist, HTTP_HEADER_EXPECT_EMPTY);
+ CHKmalloc(slist);
+
+ if (contentEncodeGzip) {
+ slist = curl_slist_append(slist, HTTP_HEADER_ENCODING_GZIP);
+ CHKmalloc(slist);
+ }
+
+ if (pWrkrData->curlHeader != NULL)
+ curl_slist_free_all(pWrkrData->curlHeader);
+
+ pWrkrData->curlHeader = slist;
+
+finalize_it:
+ if (iRet != RS_RET_OK) {
+ curl_slist_free_all(slist);
+ LogError(0, iRet, "omhttp: error allocating curl header slist, using previous one");
+ }
+ RETiRet;
+}
+
+
+
+static rsRetVal ATTR_NONNULL(1, 2)
+curlPost(wrkrInstanceData_t *pWrkrData, uchar *message, int msglen, uchar **tpls,
+ const int nmsgs __attribute__((unused)))
+{
+ CURLcode curlCode;
+ CURL *const curl = pWrkrData->curlPostHandle;
+ char errbuf[CURL_ERROR_SIZE] = "";
+
+ char *postData;
+ int postLen;
+ sbool compressed;
+ DEFiRet;
+
+ PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+
+ if(pWrkrData->pData->numServers > 1) {
+ /* needs to be called to support ES HA feature */
+ CHKiRet(checkConn(pWrkrData));
+ }
+ CHKiRet(setPostURL(pWrkrData, tpls));
+
+ pWrkrData->reply = NULL;
+ pWrkrData->replyLen = 0;
+ pWrkrData->httpStatusCode = 0;
+
+ postData = (char *)message;
+ postLen = msglen;
+ compressed = 0;
+
+ if (pWrkrData->pData->compress) {
+ iRet = compressHttpPayload(pWrkrData, message, msglen);
+ if (iRet != RS_RET_OK) {
+ LogError(0, iRet, "omhttp: curlPost error while compressing, will default to uncompressed");
+ } else {
+ postData = (char *)pWrkrData->compressCtx.buf;
+ postLen = pWrkrData->compressCtx.curLen;
+ compressed = 1;
+ DBGPRINTF("omhttp: curlPost compressed %d to %d bytes\n", msglen, postLen);
+ }
+ }
+
+ buildCurlHeaders(pWrkrData, compressed);
+
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData);
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, postLen);
+ curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_HTTPHEADER, pWrkrData->curlHeader);
+ curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errbuf);
+
+ curlCode = curl_easy_perform(curl);
+ DBGPRINTF("omhttp: curlPost curl returned %lld\n", (long long) curlCode);
+ STATSCOUNTER_INC(ctrHttpRequestCount, mutCtrHttpRequestCount);
+
+ if (curlCode != CURLE_OK) {
+ STATSCOUNTER_INC(ctrHttpRequestFail, mutCtrHttpRequestFail);
+ LogError(0, RS_RET_SUSPENDED,
+ "omhttp: suspending ourselves due to server failure %lld: %s",
+ (long long) curlCode, errbuf);
+ // Check the result here too and retry if needed, then we should suspend
+ // Usually in batch mode we clobber any iRet values, but probably not a great
+ // idea to keep hitting a dead server. The http status code will be 0 at this point.
+ checkResult(pWrkrData, message);
+ ABORT_FINALIZE(RS_RET_SUSPENDED);
+ } else {
+ STATSCOUNTER_INC(ctrHttpRequestSuccess, mutCtrHttpRequestSuccess);
+ }
+
+ // Grab the HTTP Response code
+ curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &pWrkrData->httpStatusCode);
+ if(pWrkrData->reply == NULL) {
+ DBGPRINTF("omhttp: curlPost pWrkrData reply==NULL, replyLen = '%d'\n",
+ pWrkrData->replyLen);
+ } else {
+ DBGPRINTF("omhttp: curlPost pWrkrData replyLen = '%d'\n", pWrkrData->replyLen);
+ if(pWrkrData->replyLen > 0) {
+ pWrkrData->reply[pWrkrData->replyLen] = '\0';
+ /* Append 0 Byte if replyLen is above 0 - byte has been reserved in malloc */
+ }
+ //TODO: replyLen++? because 0 Byte is appended
+ DBGPRINTF("omhttp: curlPost pWrkrData reply: '%s'\n", pWrkrData->reply);
+ }
+ CHKiRet(checkResult(pWrkrData, message));
+
+finalize_it:
+ incrementServerIndex(pWrkrData);
+ if (pWrkrData->reply != NULL) {
+ free(pWrkrData->reply);
+ pWrkrData->reply = NULL; /* don't leave dangling pointer */
+ }
+ RETiRet;
+}
+
+/* Build a JSON batch that conforms to the Kafka Rest Proxy format.
+ * See https://docs.confluent.io/current/kafka-rest/docs/quickstart.html for more info.
+ * Want {"records": [{"value": "message1"}, {"value": "message2"}]}
+ */
+static rsRetVal
+serializeBatchKafkaRest(wrkrInstanceData_t *pWrkrData, char **batchBuf)
+{
+ fjson_object *batchArray = NULL;
+ fjson_object *recordObj = NULL;
+ fjson_object *valueObj = NULL;
+ fjson_object *msgObj = NULL;
+
+ size_t numMessages = pWrkrData->batch.nmemb;
+ size_t sizeTotal = pWrkrData->batch.sizeBytes + numMessages + 1; // messages + brackets + commas
+ DBGPRINTF("omhttp: serializeBatchKafkaRest numMessages=%zd sizeTotal=%zd\n", numMessages, sizeTotal);
+
+ DEFiRet;
+
+ batchArray = fjson_object_new_array();
+ if (batchArray == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchKafkaRest failed to create array");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ for (size_t i = 0; i < numMessages; i++) {
+ valueObj = fjson_object_new_object();
+ if (valueObj == NULL) {
+ fjson_object_put(batchArray); // cleanup
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchKafkaRest failed to create value object");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ msgObj = fjson_tokener_parse((char *) pWrkrData->batch.data[i]);
+ if (msgObj == NULL) {
+ LogError(0, NO_ERRCODE,
+ "omhttp: serializeBatchKafkaRest failed to parse %s as json ignoring it",
+ pWrkrData->batch.data[i]);
+ continue;
+ }
+ fjson_object_object_add(valueObj, "value", msgObj);
+ fjson_object_array_add(batchArray, valueObj);
+ }
+
+ recordObj = fjson_object_new_object();
+ if (recordObj == NULL) {
+ fjson_object_put(batchArray); // cleanup
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchKafkaRest failed to create record object");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ fjson_object_object_add(recordObj, "records", batchArray);
+
+ const char *batchString = fjson_object_to_json_string_ext(recordObj, FJSON_TO_STRING_PLAIN);
+ *batchBuf = strndup(batchString, strlen(batchString));
+
+finalize_it:
+ if (recordObj != NULL) {
+ fjson_object_put(recordObj);
+ recordObj = NULL;
+ }
+
+ RETiRet;
+}
+
+static rsRetVal
+serializeBatchLokiRest(wrkrInstanceData_t *pWrkrData, char **batchBuf)
+{
+ fjson_object *batchArray = NULL;
+ fjson_object *recordObj = NULL;
+ fjson_object *msgObj = NULL;
+
+ size_t numMessages = pWrkrData->batch.nmemb;
+ size_t sizeTotal = pWrkrData->batch.sizeBytes + numMessages + 1; // messages + brackets + commas
+ DBGPRINTF("omhttp: serializeBatchLokiRest numMessages=%zd sizeTotal=%zd\n", numMessages, sizeTotal);
+
+ DEFiRet;
+
+ batchArray = fjson_object_new_array();
+ if (batchArray == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchLokiRest failed to create array");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ for (size_t i = 0; i < numMessages; i++) {
+ DBGPRINTF("omhttp: serializeBatchLokiRest parsing message [%s]\n",(char *) pWrkrData->batch.data[i]);
+ msgObj = fjson_tokener_parse((char *) pWrkrData->batch.data[i]);
+ if (msgObj == NULL) {
+ LogError(0, NO_ERRCODE,
+ "omhttp: serializeBatchLokiRest failed to parse %s as json ignoring it",
+ pWrkrData->batch.data[i]);
+ continue;
+ }
+ fjson_object_array_add(batchArray, msgObj);
+ }
+
+ recordObj = fjson_object_new_object();
+ if (recordObj == NULL) {
+ fjson_object_put(batchArray); // cleanup
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchLokiRest failed to create record object");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ fjson_object_object_add(recordObj, "streams", batchArray);
+
+ const char *batchString = fjson_object_to_json_string_ext(recordObj, FJSON_TO_STRING_PLAIN);
+ *batchBuf = strndup(batchString, strlen(batchString));
+
+finalize_it:
+ if (recordObj != NULL) {
+ fjson_object_put(recordObj);
+ recordObj = NULL;
+ }
+
+ RETiRet;
+}
+/* Build a JSON batch by placing each element in an array.
+ */
+static rsRetVal
+serializeBatchJsonArray(wrkrInstanceData_t *pWrkrData, char **batchBuf)
+{
+ fjson_object *batchArray = NULL;
+ fjson_object *msgObj = NULL;
+ size_t numMessages = pWrkrData->batch.nmemb;
+ size_t sizeTotal = pWrkrData->batch.sizeBytes + numMessages + 1; // messages + brackets + commas
+ DBGPRINTF("omhttp: serializeBatchJsonArray numMessages=%zd sizeTotal=%zd\n", numMessages, sizeTotal);
+
+ DEFiRet;
+
+ batchArray = fjson_object_new_array();
+ if (batchArray == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchJsonArray failed to create array");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ for (size_t i = 0; i < numMessages; i++) {
+ msgObj = fjson_tokener_parse((char *) pWrkrData->batch.data[i]);
+ if (msgObj == NULL) {
+ LogError(0, NO_ERRCODE,
+ "omhttp: serializeBatchJsonArray failed to parse %s as json, ignoring it",
+ pWrkrData->batch.data[i]);
+ continue;
+ }
+ fjson_object_array_add(batchArray, msgObj);
+ }
+
+ const char *batchString = fjson_object_to_json_string_ext(batchArray, FJSON_TO_STRING_PLAIN);
+ *batchBuf = strndup(batchString, strlen(batchString));
+
+finalize_it:
+ if (batchArray != NULL) {
+ fjson_object_put(batchArray);
+ batchArray = NULL;
+ }
+ RETiRet;
+}
+
+/* Build a batch by joining each element with a newline character.
+ */
+static rsRetVal
+serializeBatchNewline(wrkrInstanceData_t *pWrkrData, char **batchBuf)
+{
+ DEFiRet;
+ size_t numMessages = pWrkrData->batch.nmemb;
+ size_t sizeTotal = pWrkrData->batch.sizeBytes + numMessages; // message + newline + null term
+ int r = 0;
+
+ DBGPRINTF("omhttp: serializeBatchNewline numMessages=%zd sizeTotal=%zd\n", numMessages, sizeTotal);
+
+ es_str_t *batchString = es_newStr(1024);
+
+ if (batchString == NULL)
+ ABORT_FINALIZE(RS_RET_ERR);
+
+ for (size_t i = 0; i < numMessages; i++) {
+ size_t nToCopy = ustrlen(pWrkrData->batch.data[i]);
+ if (r == 0) r = es_addBuf(&batchString, (char *)pWrkrData->batch.data[i], nToCopy);
+ if (i == numMessages - 1) break;
+ if (r == 0) r = es_addChar(&batchString, '\n');
+ }
+
+ if (r == 0) *batchBuf = (char *) es_str2cstr(batchString, NULL);
+
+ if (r != 0 || *batchBuf== NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: serializeBatchNewline failed to build batch string");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+finalize_it:
+ if (batchString != NULL)
+ es_deleteStr(batchString);
+
+ RETiRet;
+}
+
+/* Return the final batch size in bytes for each serialization method.
+ * Used to decide if a batch should be flushed early.
+ */
+static size_t
+computeBatchSize(wrkrInstanceData_t *pWrkrData)
+{
+ size_t extraBytes = 0;
+ size_t sizeBytes = pWrkrData->batch.sizeBytes;
+ size_t numMessages = pWrkrData->batch.nmemb;
+
+ switch (pWrkrData->pData->batchFormat) {
+ case FMT_JSONARRAY:
+ // square brackets, commas between each message
+ // 2 + numMessages - 1 = numMessages + 1
+ extraBytes = numMessages > 0 ? numMessages + 1 : 2;
+ break;
+ case FMT_KAFKAREST:
+ // '{}', '[]', '"records":'= 2 + 2 + 10 = 14
+ // '{"value":}' for each message = n * 10
+ // numMessages == 0 handled implicitly in multiplication
+ extraBytes = (numMessages * 10) + 14;
+ break;
+ case FMT_NEWLINE:
+ // newlines between each message
+ extraBytes = numMessages > 0 ? numMessages - 1 : 0;
+ break;
+ case FMT_LOKIREST:
+ // {"streams":[ '{}', '[]', '"streams":' = 14
+ // {"stream": {key:value}..., "values":[[timestamp: msg1]]},
+ // {"stream": {key:value}..., "values":[[timestamp: msg2]]}
+ // ]}
+ // message (11) * numMessages + header ( 16 )
+ extraBytes = (numMessages * 2) + 14;
+ break;
+ default:
+ // newlines between each message
+ extraBytes = numMessages > 0 ? numMessages - 1 : 0;
+ }
+
+ return sizeBytes + extraBytes + 1; // plus a null
+}
+
+static void ATTR_NONNULL()
+initializeBatch(wrkrInstanceData_t *pWrkrData)
+{
+ pWrkrData->batch.sizeBytes = 0;
+ pWrkrData->batch.nmemb = 0;
+ if (pWrkrData->batch.restPath != NULL) {
+ free(pWrkrData->batch.restPath);
+ pWrkrData->batch.restPath = NULL;
+ }
+}
+
+/* Adds a message to this worker's batch
+ */
+static rsRetVal
+buildBatch(wrkrInstanceData_t *pWrkrData, uchar *message)
+{
+ DEFiRet;
+
+ if (pWrkrData->batch.nmemb >= pWrkrData->pData->maxBatchSize) {
+ LogError(0, RS_RET_ERR, "omhttp: buildBatch something has gone wrong,"
+ "number of messages in batch is bigger than the max batch size, bailing");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+ pWrkrData->batch.data[pWrkrData->batch.nmemb] = message;
+ pWrkrData->batch.sizeBytes += strlen((char *)message);
+ pWrkrData->batch.nmemb++;
+
+finalize_it:
+ RETiRet;
+}
+
+static rsRetVal
+submitBatch(wrkrInstanceData_t *pWrkrData, uchar **tpls)
+{
+ DEFiRet;
+ char *batchBuf = NULL;
+
+ switch (pWrkrData->pData->batchFormat) {
+ case FMT_JSONARRAY:
+ iRet = serializeBatchJsonArray(pWrkrData, &batchBuf);
+ break;
+ case FMT_KAFKAREST:
+ iRet = serializeBatchKafkaRest(pWrkrData, &batchBuf);
+ break;
+ case FMT_LOKIREST:
+ iRet = serializeBatchLokiRest(pWrkrData, &batchBuf);
+ break;
+ case FMT_NEWLINE:
+ iRet = serializeBatchNewline(pWrkrData, &batchBuf);
+ break;
+ default:
+ iRet = serializeBatchNewline(pWrkrData, &batchBuf);
+ }
+
+ if (iRet != RS_RET_OK || batchBuf == NULL)
+ ABORT_FINALIZE(iRet);
+
+ DBGPRINTF("omhttp: submitBatch, batch: '%s' tpls: '%p'\n", batchBuf, tpls);
+
+ CHKiRet(curlPost(pWrkrData, (uchar*) batchBuf, strlen(batchBuf),
+ tpls, pWrkrData->batch.nmemb));
+
+finalize_it:
+ if (batchBuf != NULL)
+ free(batchBuf);
+ RETiRet;
+}
+
+BEGINbeginTransaction
+CODESTARTbeginTransaction
+ if(!pWrkrData->pData->batchMode) {
+ FINALIZE;
+ }
+
+ initializeBatch(pWrkrData);
+finalize_it:
+ENDbeginTransaction
+
+BEGINdoAction
+size_t nBytes;
+sbool submit;
+CODESTARTdoAction
+ instanceData *const pData = pWrkrData->pData;
+ uchar *restPath = NULL;
+ STATSCOUNTER_INC(ctrMessagesSubmitted, mutCtrMessagesSubmitted);
+
+ if (pWrkrData->pData->batchMode) {
+ if(pData->dynRestPath) {
+ /* Get copy of restpath in batch mode if dynRestPath enabled */
+ getRestPath(pData, ppString, &restPath);
+ if (pWrkrData->batch.restPath == NULL) {
+ pWrkrData->batch.restPath = (uchar*)strdup((char*)restPath);
+ } else if (strcmp((char*)pWrkrData->batch.restPath, (char*)restPath) != 0) {
+ /* Check if the restPath changed - if yes submit the current batch first*/
+ CHKiRet(submitBatch(pWrkrData, NULL));
+ initializeBatch(pWrkrData);
+ }
+ }
+
+ /* If the maxbatchsize is 1, then build and immediately post a batch with 1 element.
+ * This mode will play nicely with rsyslog's action.resumeRetryCount logic.
+ */
+ if (pWrkrData->pData->maxBatchSize == 1) {
+ initializeBatch(pWrkrData);
+ CHKiRet(buildBatch(pWrkrData, ppString[0]));
+ CHKiRet(submitBatch(pWrkrData, ppString));
+ FINALIZE;
+ }
+
+ /* We should submit if any of these conditions are true
+ * 1. Total batch size > pWrkrData->pData->maxBatchSize
+ * 2. Total bytes > pWrkrData->pData->maxBatchBytes
+ */
+ nBytes = ustrlen((char *)ppString[0]) - 1 ;
+ submit = 0;
+
+ if (pWrkrData->batch.nmemb >= pWrkrData->pData->maxBatchSize) {
+ submit = 1;
+ DBGPRINTF("omhttp: maxbatchsize limit reached submitting batch of %zd elements.\n",
+ pWrkrData->batch.nmemb);
+ } else if (computeBatchSize(pWrkrData) + nBytes > pWrkrData->pData->maxBatchBytes) {
+ submit = 1;
+ DBGPRINTF("omhttp: maxbytes limit reached submitting partial batch of %zd elements.\n",
+ pWrkrData->batch.nmemb);
+ }
+
+ if (submit) {
+ CHKiRet(submitBatch(pWrkrData, ppString));
+ initializeBatch(pWrkrData);
+ }
+
+ CHKiRet(buildBatch(pWrkrData, ppString[0]));
+
+ /* If there is only one item in the batch, all previous items have been
+ * submitted or this is the first item for this transaction. Return previous
+ * committed so that all items leading up to the current (exclusive)
+ * are not replayed should a failure occur anywhere else in the transaction. */
+ iRet = pWrkrData->batch.nmemb == 1 ? RS_RET_PREVIOUS_COMMITTED : RS_RET_DEFER_COMMIT;
+ } else {
+ CHKiRet(curlPost(pWrkrData, ppString[0], strlen((char*)ppString[0]), ppString, 1));
+ }
+finalize_it:
+ENDdoAction
+
+
+BEGINendTransaction
+CODESTARTendTransaction
+ /* End Transaction only if batch data is not empty */
+ if (pWrkrData->batch.nmemb > 0) {
+ CHKiRet(submitBatch(pWrkrData, NULL));
+ } else {
+ dbgprintf("omhttp: endTransaction, pWrkrData->batch.nmemb = 0, "
+ "nothing to send. \n");
+ }
+finalize_it:
+ENDendTransaction
+
+/* Creates authentication header uid:pwd
+ */
+static rsRetVal
+computeAuthHeader(char* uid, char* pwd, uchar** authBuf)
+{
+ int r;
+ DEFiRet;
+
+ es_str_t* auth = es_newStr(1024);
+ if (auth == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: failed to allocate es_str auth for auth header construction");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ r = es_addBuf(&auth, uid, strlen(uid));
+ if(r == 0) r = es_addChar(&auth, ':');
+ if(r == 0 && pwd != NULL) r = es_addBuf(&auth, pwd, strlen(pwd));
+ if(r == 0) *authBuf = (uchar*) es_str2cstr(auth, NULL);
+
+ if (r != 0 || *authBuf == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: failed to build auth header\n");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+finalize_it:
+ if (auth != NULL)
+ es_deleteStr(auth);
+ RETiRet;
+}
+
+static rsRetVal
+computeApiHeader(char* key, char* value, uchar** headerBuf)
+{
+ int r;
+ DEFiRet;
+
+ es_str_t* header = es_newStr(10240);
+ if (header == NULL) {
+ LogError(0, RS_RET_OUT_OF_MEMORY,
+ "omhttp: failed to allocate es_str auth for api header construction");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ r = es_addBuf(&header, key, strlen(key));
+ if(r == 0) r = es_addChar(&header, ':');
+ if(r == 0) r = es_addChar(&header, ' ');
+ if(r == 0 && value != NULL) r = es_addBuf(&header, value, strlen(value));
+ if(r == 0) *headerBuf = (uchar*) es_str2cstr(header, NULL);
+
+ if (r != 0 || *headerBuf == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: failed to build http header\n");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+finalize_it:
+ if (header != NULL)
+ es_deleteStr(header);
+ RETiRet;
+}
+
+static void ATTR_NONNULL()
+curlSetupCommon(wrkrInstanceData_t *const pWrkrData, CURL *const handle)
+{
+ PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+ curl_easy_setopt(handle, CURLOPT_HTTPHEADER, pWrkrData->curlHeader);
+ curl_easy_setopt(handle, CURLOPT_NOSIGNAL, TRUE);
+ curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, curlResult);
+ curl_easy_setopt(handle, CURLOPT_WRITEDATA, pWrkrData);
+ if(pWrkrData->pData->allowUnsignedCerts)
+ curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, FALSE);
+ if(pWrkrData->pData->skipVerifyHost)
+ curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, FALSE);
+ if(pWrkrData->pData->authBuf != NULL) {
+ curl_easy_setopt(handle, CURLOPT_USERPWD, pWrkrData->pData->authBuf);
+ curl_easy_setopt(handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+ }
+ if(pWrkrData->pData->caCertFile)
+ curl_easy_setopt(handle, CURLOPT_CAINFO, pWrkrData->pData->caCertFile);
+ if(pWrkrData->pData->myCertFile)
+ curl_easy_setopt(handle, CURLOPT_SSLCERT, pWrkrData->pData->myCertFile);
+ if(pWrkrData->pData->myPrivKeyFile)
+ curl_easy_setopt(handle, CURLOPT_SSLKEY, pWrkrData->pData->myPrivKeyFile);
+ /* uncomment for in-dept debuggung:
+ curl_easy_setopt(handle, CURLOPT_VERBOSE, TRUE); */
+}
+
+static void ATTR_NONNULL()
+curlCheckConnSetup(wrkrInstanceData_t *const pWrkrData)
+{
+ PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+ curlSetupCommon(pWrkrData, pWrkrData->curlCheckConnHandle);
+ curl_easy_setopt(pWrkrData->curlCheckConnHandle,
+ CURLOPT_TIMEOUT_MS, pWrkrData->pData->healthCheckTimeout);
+}
+
+static void ATTR_NONNULL(1)
+curlPostSetup(wrkrInstanceData_t *const pWrkrData)
+{
+ PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+ curlSetupCommon(pWrkrData, pWrkrData->curlPostHandle);
+ curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_POST, 1);
+ CURLcode cRet;
+ /* Enable TCP keep-alive for this transfer */
+ cRet = curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_TCP_KEEPALIVE, 1L);
+ if (cRet != CURLE_OK)
+ DBGPRINTF("omhttp: curlPostSetup unknown option CURLOPT_TCP_KEEPALIVE\n");
+ /* keep-alive idle time to 120 seconds */
+ cRet = curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_TCP_KEEPIDLE, 120L);
+ if (cRet != CURLE_OK)
+ DBGPRINTF("omhttp: curlPostSetup unknown option CURLOPT_TCP_KEEPIDLE\n");
+ /* interval time between keep-alive probes: 60 seconds */
+ cRet = curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_TCP_KEEPINTVL, 60L);
+ if (cRet != CURLE_OK)
+ DBGPRINTF("omhttp: curlPostSetup unknown option CURLOPT_TCP_KEEPINTVL\n");
+}
+
+static rsRetVal ATTR_NONNULL()
+curlSetup(wrkrInstanceData_t *const pWrkrData)
+{
+ struct curl_slist *slist = NULL;
+
+ DEFiRet;
+ if (pWrkrData->pData->httpcontenttype != NULL) {
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->headerContentTypeBuf);
+ } else {
+ slist = curl_slist_append(slist, HTTP_HEADER_CONTENT_JSON);
+ }
+
+ if (pWrkrData->pData->headerBuf != NULL) {
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->headerBuf);
+ CHKmalloc(slist);
+ }
+
+ for (int k = 0 ; k < pWrkrData->pData->nHttpHeaders; k++) {
+ slist = curl_slist_append(slist, (char *)pWrkrData->pData->httpHeaders[k]);
+ CHKmalloc(slist);
+ }
+
+ // When sending more than 1Kb, libcurl automatically sends an Except: 100-Continue header
+ // and will wait 1s for a response, could make this configurable but for now disable
+ slist = curl_slist_append(slist, HTTP_HEADER_EXPECT_EMPTY);
+ pWrkrData->curlHeader = slist;
+ CHKmalloc(pWrkrData->curlPostHandle = curl_easy_init());
+ curlPostSetup(pWrkrData);
+
+ CHKmalloc(pWrkrData->curlCheckConnHandle = curl_easy_init());
+ curlCheckConnSetup(pWrkrData);
+
+finalize_it:
+ if(iRet != RS_RET_OK && pWrkrData->curlPostHandle != NULL) {
+ curl_easy_cleanup(pWrkrData->curlPostHandle);
+ pWrkrData->curlPostHandle = NULL;
+ }
+ RETiRet;
+}
+
+static void ATTR_NONNULL()
+curlCleanup(wrkrInstanceData_t *const pWrkrData)
+{
+ if (pWrkrData->curlHeader != NULL) {
+ curl_slist_free_all(pWrkrData->curlHeader);
+ pWrkrData->curlHeader = NULL;
+ }
+ if (pWrkrData->curlCheckConnHandle != NULL) {
+ curl_easy_cleanup(pWrkrData->curlCheckConnHandle);
+ pWrkrData->curlCheckConnHandle = NULL;
+ }
+ if (pWrkrData->curlPostHandle != NULL) {
+ curl_easy_cleanup(pWrkrData->curlPostHandle);
+ pWrkrData->curlPostHandle = NULL;
+ }
+}
+
+static void ATTR_NONNULL()
+setInstParamDefaults(instanceData *const pData)
+{
+ pData->serverBaseUrls = NULL;
+ pData->defaultPort = 443;
+ pData->healthCheckTimeout = 3500;
+ pData->uid = NULL;
+ pData->httpcontenttype = NULL;
+ pData->headerContentTypeBuf = NULL;
+ pData->httpheaderkey = NULL;
+ pData->httpheadervalue = NULL;
+ pData->httpHeaders = NULL;
+ pData->nHttpHeaders = 0;
+ pData->pwd = NULL;
+ pData->authBuf = NULL;
+ pData->restPath = NULL;
+ pData->checkPath = NULL;
+ pData->dynRestPath = 0;
+ pData->batchMode = 0;
+ pData->batchFormatName = (uchar *)"newline";
+ pData->batchFormat = FMT_NEWLINE;
+ pData->bFreeBatchFormatName = 0;
+ pData->useHttps = 1;
+ pData->maxBatchBytes = 10485760; //i.e. 10 MB Is the default max message size for AWS API Gateway
+ pData->maxBatchSize = 100; // 100 messages
+ pData->compress = 0; // off
+ pData->compressionLevel = -1; // default compression
+ pData->allowUnsignedCerts = 0;
+ pData->skipVerifyHost = 0;
+ pData->tplName = NULL;
+ pData->errorFile = NULL;
+ pData->caCertFile = NULL;
+ pData->myCertFile = NULL;
+ pData->myPrivKeyFile = NULL;
+ pData->reloadOnHup= 0;
+ pData->retryFailures = 0;
+ pData->ratelimitBurst = 20000;
+ pData->ratelimitInterval = 600;
+ pData->ratelimiter = NULL;
+ pData->retryRulesetName = NULL;
+ pData->retryRuleset = NULL;
+}
+
+static rsRetVal
+checkHeaderParam(char *const param)
+{
+ DEFiRet;
+ char *val = strstr(param, ":");
+ if(val == NULL) {
+ LogError(0, RS_RET_PARAM_ERROR, "missing ':' delimiter in "
+ "parameter '%s'", param);
+ ABORT_FINALIZE(RS_RET_PARAM_ERROR);
+ }
+finalize_it:
+ RETiRet;
+}
+
+BEGINnewActInst
+ struct cnfparamvals *pvals;
+ char* serverParam = NULL;
+ struct cnfarray* servers = NULL;
+ int i;
+ int iNumTpls;
+ FILE *fp;
+ char errStr[1024];
+ char *batchFormatName;
+ int compressionLevel = -1;
+CODESTARTnewActInst
+ if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) {
+ ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+ }
+
+ CHKiRet(createInstance(&pData));
+ setInstParamDefaults(pData);
+
+ for(i = 0 ; i < actpblk.nParams ; ++i) {
+ if(!pvals[i].bUsed)
+ continue;
+ if(!strcmp(actpblk.descr[i].name, "server")) {
+ servers = pvals[i].val.d.ar;
+ } else if(!strcmp(actpblk.descr[i].name, "errorfile")) {
+ pData->errorFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "serverport")) {
+ pData->defaultPort = (int) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "healthchecktimeout")) {
+ pData->healthCheckTimeout = (long) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "uid")) {
+ pData->uid = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "httpcontenttype")) {
+ pData->httpcontenttype = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "httpheaderkey")) {
+ pData->httpheaderkey = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "httpheadervalue")) {
+ pData->httpheadervalue = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "httpheaders")) {
+ pData->nHttpHeaders = pvals[i].val.d.ar->nmemb;
+ CHKmalloc(pData->httpHeaders = malloc(sizeof(uchar *) * pvals[i].val.d.ar->nmemb ));
+ for(int j = 0 ; j < pvals[i].val.d.ar->nmemb ; ++j) {
+ char *cstr = es_str2cstr(pvals[i].val.d.ar->arr[j], NULL);
+ CHKiRet(checkHeaderParam(cstr));
+ pData->httpHeaders[j] = (uchar *)cstr;
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "pwd")) {
+ pData->pwd = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "restpath")) {
+ pData->restPath = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "checkpath")) {
+ pData->checkPath = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "dynrestpath")) {
+ pData->dynRestPath = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "batch")) {
+ pData->batchMode = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "batch.format")) {
+ batchFormatName = es_str2cstr(pvals[i].val.d.estr, NULL);
+ if (strstr(VALID_BATCH_FORMATS, batchFormatName) != NULL) {
+ pData->batchFormatName = (uchar *)batchFormatName;
+ pData->bFreeBatchFormatName = 1;
+ if (!strcmp(batchFormatName, "newline")) {
+ pData->batchFormat = FMT_NEWLINE;
+ } else if (!strcmp(batchFormatName, "jsonarray")) {
+ pData->batchFormat = FMT_JSONARRAY;
+ } else if (!strcmp(batchFormatName, "kafkarest")) {
+ pData->batchFormat = FMT_KAFKAREST;
+ } else if (!strcmp(batchFormatName, "lokirest")) {
+ pData->batchFormat = FMT_LOKIREST;
+ }
+ } else {
+ LogError(0, NO_ERRCODE, "error: 'batch.format' %s unknown defaulting to 'newline'",
+ batchFormatName);
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "batch.maxbytes")) {
+ pData->maxBatchBytes = (size_t) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "batch.maxsize")) {
+ pData->maxBatchSize = (size_t) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "compress")) {
+ pData->compress = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "compress.level")) {
+ compressionLevel = pvals[i].val.d.n;
+ if (compressionLevel == -1 || (compressionLevel >= 0 && compressionLevel < 10)) {
+ pData->compressionLevel = compressionLevel;
+ } else {
+ LogError(0, NO_ERRCODE, "omhttp: invalid compress.level %d using default instead,"
+ "valid levels are -1 and 0-9",
+ compressionLevel);
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "allowunsignedcerts")) {
+ pData->allowUnsignedCerts = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "skipverifyhost")) {
+ pData->skipVerifyHost = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "usehttps")) {
+ pData->useHttps = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "template")) {
+ pData->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "tls.cacert")) {
+ pData->caCertFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ fp = fopen((const char*)pData->caCertFile, "r");
+ if(fp == NULL) {
+ rs_strerror_r(errno, errStr, sizeof(errStr));
+ LogError(0, RS_RET_NO_FILE_ACCESS,
+ "error: 'tls.cacert' file %s couldn't be accessed: %s\n",
+ pData->caCertFile, errStr);
+ } else {
+ fclose(fp);
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "tls.mycert")) {
+ pData->myCertFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ fp = fopen((const char*)pData->myCertFile, "r");
+ if(fp == NULL) {
+ rs_strerror_r(errno, errStr, sizeof(errStr));
+ LogError(0, RS_RET_NO_FILE_ACCESS,
+ "error: 'tls.mycert' file %s couldn't be accessed: %s\n",
+ pData->myCertFile, errStr);
+ } else {
+ fclose(fp);
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "tls.myprivkey")) {
+ pData->myPrivKeyFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ fp = fopen((const char*)pData->myPrivKeyFile, "r");
+ if(fp == NULL) {
+ rs_strerror_r(errno, errStr, sizeof(errStr));
+ LogError(0, RS_RET_NO_FILE_ACCESS,
+ "error: 'tls.myprivkey' file %s couldn't be accessed: %s\n",
+ pData->myPrivKeyFile, errStr);
+ } else {
+ fclose(fp);
+ }
+ } else if(!strcmp(actpblk.descr[i].name, "reloadonhup")) {
+ pData->reloadOnHup= pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "retry")) {
+ pData->retryFailures = pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "retry.ruleset")) {
+ pData->retryRulesetName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "ratelimit.burst")) {
+ pData->ratelimitBurst = (unsigned int) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "ratelimit.interval")) {
+ pData->ratelimitInterval = (unsigned int) pvals[i].val.d.n;
+ } else {
+ LogError(0, RS_RET_INTERNAL_ERROR, "omhttp: program error, "
+ "non-handled param '%s'", actpblk.descr[i].name);
+ }
+ }
+
+ if(pData->pwd != NULL && pData->uid == NULL) {
+ LogError(0, RS_RET_UID_MISSING,
+ "omhttp: password is provided, but no uid "
+ "- action definition invalid");
+ ABORT_FINALIZE(RS_RET_UID_MISSING);
+ }
+ if(pData->httpheaderkey != NULL && pData->httpheadervalue == NULL) {
+ LogError(0, RS_RET_UID_MISSING,
+ "omhttp: http header key is provided, but no http header value "
+ "- action definition invalid");
+ ABORT_FINALIZE(RS_RET_UID_MISSING);
+ }
+ if(pData->dynRestPath && pData->restPath == NULL) {
+ LogError(0, RS_RET_CONFIG_ERROR,
+ "omhttp: requested dynamic rest path, but no name for rest "
+ "path template given - action definition invalid");
+ ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+ }
+
+ if (pData->uid != NULL)
+ CHKiRet(computeAuthHeader((char*) pData->uid, (char*) pData->pwd, &pData->authBuf));
+ if (pData->httpcontenttype != NULL)
+ CHKiRet(computeApiHeader((char*) "Content-Type",
+ (char*) pData->httpcontenttype, &pData->headerContentTypeBuf));
+
+ if (pData->httpheaderkey != NULL)
+ CHKiRet(computeApiHeader((char*) pData->httpheaderkey,
+ (char*) pData->httpheadervalue, &pData->headerBuf));
+
+ iNumTpls = 1;
+ if(pData->dynRestPath) ++iNumTpls;
+ DBGPRINTF("omhttp: requesting %d templates\n", iNumTpls);
+ CODE_STD_STRING_REQUESTnewActInst(iNumTpls)
+
+ CHKiRet(OMSRsetEntry(*ppOMSR, 0, (uchar*)strdup((pData->tplName == NULL) ?
+ " StdJSONFmt" : (char*)pData->tplName),
+ OMSR_NO_RQD_TPL_OPTS));
+
+
+ /* we need to request additional templates. If we have a dynamic search index,
+ * it will always be string 1. Type may be 1 or 2, depending on whether search
+ * index is dynamic as well. Rule needs to be followed throughout the module.
+ */
+ iNumTpls = 1;
+ if(pData->dynRestPath) {
+ CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->restPath),
+ OMSR_NO_RQD_TPL_OPTS));
+ ++iNumTpls;
+ }
+
+ if (servers != NULL) {
+ pData->numServers = servers->nmemb;
+ pData->serverBaseUrls = malloc(servers->nmemb * sizeof(uchar*));
+ if (pData->serverBaseUrls == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: unable to allocate buffer "
+ "for http server configuration.");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+
+ for(i = 0 ; i < servers->nmemb ; ++i) {
+ serverParam = es_str2cstr(servers->arr[i], NULL);
+ if (serverParam == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: unable to allocate buffer "
+ "for http server configuration.");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+ /* Remove a trailing slash if it exists */
+ const size_t serverParamLastChar = strlen(serverParam)-1;
+ if (serverParam[serverParamLastChar] == '/') {
+ serverParam[serverParamLastChar] = '\0';
+ }
+ CHKiRet(computeBaseUrl(serverParam, pData->defaultPort, pData->useHttps,
+ pData->serverBaseUrls + i));
+ free(serverParam);
+ serverParam = NULL;
+ }
+ } else {
+ LogMsg(0, RS_RET_OK, LOG_WARNING,
+ "omhttp: No servers specified, using localhost");
+ pData->numServers = 1;
+ pData->serverBaseUrls = malloc(sizeof(uchar*));
+ if (pData->serverBaseUrls == NULL) {
+ LogError(0, RS_RET_ERR, "omhttp: unable to allocate buffer "
+ "for http server configuration.");
+ ABORT_FINALIZE(RS_RET_ERR);
+ }
+ CHKiRet(computeBaseUrl("localhost", pData->defaultPort, pData->useHttps, pData->serverBaseUrls));
+ }
+
+ if (pData->retryFailures) {
+ CHKiRet(ratelimitNew(&pData->ratelimiter, "omhttp", NULL));
+ ratelimitSetLinuxLike(pData->ratelimiter, pData->ratelimitInterval, pData->ratelimitBurst);
+ ratelimitSetNoTimeCache(pData->ratelimiter);
+ }
+
+ /* node created, let's add to list of instance configs for the module */
+ if(loadModConf->tail == NULL) {
+ loadModConf->tail = loadModConf->root = pData;
+ } else {
+ loadModConf->tail->next = pData;
+ loadModConf->tail = pData;
+ }
+
+CODE_STD_FINALIZERnewActInst
+ cnfparamvalsDestruct(pvals, &actpblk);
+ if (serverParam)
+ free(serverParam);
+ENDnewActInst
+
+
+BEGINbeginCnfLoad
+CODESTARTbeginCnfLoad
+ loadModConf = pModConf;
+ pModConf->pConf = pConf;
+ pModConf->root = pModConf->tail = NULL;
+ENDbeginCnfLoad
+
+
+BEGINendCnfLoad
+CODESTARTendCnfLoad
+ loadModConf = NULL; /* done loading */
+ENDendCnfLoad
+
+
+BEGINcheckCnf
+ instanceConf_t *inst;
+CODESTARTcheckCnf
+ for(inst = pModConf->root ; inst != NULL ; inst = inst->next) {
+ ruleset_t *pRuleset;
+ rsRetVal localRet;
+
+ if (inst->retryRulesetName) {
+ localRet = ruleset.GetRuleset(pModConf->pConf, &pRuleset, inst->retryRulesetName);
+ if(localRet == RS_RET_NOT_FOUND) {
+ LogError(0, localRet, "omhttp: retry.ruleset '%s' not found - "
+ "no retry ruleset will be used", inst->retryRulesetName);
+ } else {
+ inst->retryRuleset = pRuleset;
+ }
+ }
+ }
+ENDcheckCnf
+
+
+BEGINactivateCnf
+CODESTARTactivateCnf
+ENDactivateCnf
+
+
+BEGINfreeCnf
+CODESTARTfreeCnf
+ENDfreeCnf
+
+
+// HUP handling for the instance...
+BEGINdoHUP
+CODESTARTdoHUP
+ pthread_mutex_lock(&pData->mutErrFile);
+ if (pData->fdErrFile != -1) {
+ close(pData->fdErrFile);
+ pData->fdErrFile = -1;
+ }
+ pthread_mutex_unlock(&pData->mutErrFile);
+ENDdoHUP
+
+
+// HUP handling for the worker...
+BEGINdoHUPWrkr
+CODESTARTdoHUPWrkr
+ if (pWrkrData->pData->reloadOnHup) {
+ LogMsg(0, NO_ERRCODE, LOG_INFO, "omhttp: received HUP reloading curl handles");
+ curlCleanup(pWrkrData);
+ CHKiRet(curlSetup(pWrkrData));
+ }
+finalize_it:
+ENDdoHUPWrkr
+
+
+BEGINmodExit
+CODESTARTmodExit
+ if(pInputName != NULL)
+ prop.Destruct(&pInputName);
+ curl_global_cleanup();
+ objRelease(prop, CORE_COMPONENT);
+ objRelease(ruleset, CORE_COMPONENT);
+ objRelease(statsobj, CORE_COMPONENT);
+ statsobj.Destruct(&httpStats);
+ENDmodExit
+
+NO_LEGACY_CONF_parseSelectorAct
+
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+CODEqueryEtryPt_STD_OMOD_QUERIES
+CODEqueryEtryPt_STD_OMOD8_QUERIES
+CODEqueryEtryPt_IsCompatibleWithFeature_IF_OMOD_QUERIES
+CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES
+CODEqueryEtryPt_doHUP
+CODEqueryEtryPt_doHUPWrkr /* Load the worker HUP handling code */
+CODEqueryEtryPt_TXIF_OMOD_QUERIES /* we support the transactional interface! */
+CODEqueryEtryPt_STD_CONF2_QUERIES
+ENDqueryEtryPt
+
+
+BEGINmodInit()
+CODESTARTmodInit
+ *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
+CODEmodInit_QueryRegCFSLineHdlr
+ CHKiRet(objUse(prop, CORE_COMPONENT));
+ CHKiRet(objUse(ruleset, CORE_COMPONENT));
+ CHKiRet(objUse(statsobj, CORE_COMPONENT));
+
+ CHKiRet(statsobj.Construct(&httpStats));
+ CHKiRet(statsobj.SetName(httpStats, (uchar *)"omhttp"));
+ CHKiRet(statsobj.SetOrigin(httpStats, (uchar*)"omhttp"));
+
+ STATSCOUNTER_INIT(ctrMessagesSubmitted, mutCtrMessagesSubmitted);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"messages.submitted",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrMessagesSubmitted));
+
+ STATSCOUNTER_INIT(ctrMessagesSuccess, mutCtrMessagesSuccess);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"messages.success",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrMessagesSuccess));
+
+ STATSCOUNTER_INIT(ctrMessagesFail, mutCtrMessagesFail);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"messages.fail",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrMessagesFail));
+
+ STATSCOUNTER_INIT(ctrMessagesRetry, mutCtrMessagesRetry);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"messages.retry",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrMessagesRetry));
+
+ STATSCOUNTER_INIT(ctrHttpRequestCount, mutCtrHttpRequestCount);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"request.count",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrHttpRequestCount));
+
+ STATSCOUNTER_INIT(ctrHttpRequestSuccess, mutCtrHttpRequestSuccess);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"request.success",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrHttpRequestSuccess));
+
+ STATSCOUNTER_INIT(ctrHttpRequestFail, mutCtrHttpRequestFail);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"request.fail",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrHttpRequestFail));
+
+ STATSCOUNTER_INIT(ctrHttpStatusSuccess, mutCtrHttpStatusSuccess);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"request.status.success",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrHttpStatusSuccess));
+
+ STATSCOUNTER_INIT(ctrHttpStatusFail, mutCtrHttpStatusFail);
+ CHKiRet(statsobj.AddCounter(httpStats, (uchar *)"request.status.fail",
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &ctrHttpStatusFail));
+
+ CHKiRet(statsobj.ConstructFinalize(httpStats));
+
+ if (curl_global_init(CURL_GLOBAL_ALL) != 0) {
+ LogError(0, RS_RET_OBJ_CREATION_FAILED, "CURL fail. -http disabled");
+ ABORT_FINALIZE(RS_RET_OBJ_CREATION_FAILED);
+ }
+
+ CHKiRet(prop.Construct(&pInputName));
+ CHKiRet(prop.SetString(pInputName, UCHAR_CONSTANT("omhttp"), sizeof("omhttp") - 1));
+ CHKiRet(prop.ConstructFinalize(pInputName));
+ENDmodInit
+
+/* vi:set ai:
+ */
diff --git a/contrib/omhttpfs/Makefile.am b/contrib/omhttpfs/Makefile.am
new file mode 100644
index 0000000..d3af018
--- /dev/null
+++ b/contrib/omhttpfs/Makefile.am
@@ -0,0 +1,9 @@
+pkglib_LTLIBRARIES = omhttpfs.la
+
+omhttpfs_la_SOURCES = omhttpfs.c
+omhttpfs_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) $(CURL_CFLAGS) $(LIBFASTJSON_CFLAGS)
+omhttpfs_la_LDFLAGS = -module -avoid-version
+omhttpfs_la_LIBADD = $(CURL_LIBS) $(LIBFASTJSON_LIBS)
+
+
+EXTRA_DIST =
diff --git a/contrib/omhttpfs/Makefile.in b/contrib/omhttpfs/Makefile.in
new file mode 100644
index 0000000..a55d0bc
--- /dev/null
+++ b/contrib/omhttpfs/Makefile.in
@@ -0,0 +1,798 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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diff --git a/contrib/omhttpfs/omhttpfs.c b/contrib/omhttpfs/omhttpfs.c
new file mode 100644
index 0000000..1bdacf6
--- /dev/null
+++ b/contrib/omhttpfs/omhttpfs.c
@@ -0,0 +1,855 @@
+/* omhttpfs.c
+ * Send all output to HDFS via httpfs
+ *
+ * Author: sskaje (sskaje@gmail.com, http://sskaje.me/)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * -or-
+ * see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "config.h"
+#include "rsyslog.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <signal.h>
+#include <errno.h>
+#include <unistd.h>
+#include <curl/curl.h>
+#include <json.h>
+#include <json_object.h>
+
+
+#include "conf.h"
+#include "syslogd-types.h"
+#include "srUtils.h"
+#include "template.h"
+#include "module-template.h"
+#include "errmsg.h"
+#include "cfsysline.h"
+#include "datetime.h"
+#include "statsobj.h"
+#include "unicode-helper.h"
+
+MODULE_TYPE_OUTPUT
+MODULE_TYPE_NOKEEP
+MODULE_CNFNAME("omhttpfs")
+
+/* internal structures
+ */
+DEF_OMOD_STATIC_DATA
+DEFobjCurrIf(glbl)
+DEFobjCurrIf(datetime)
+
+/* local definitions */
+#define OMHTTPFS_VERSION "1.0"
+#define OMHTTPFS_DEFAULT_PORT 14000
+#define OMHTTPFS_DEFAULT_USER "hdfs"
+#define OMHTTPFS_DEFAULT_HOST "127.0.0.1"
+
+#define HTTPFS_URL_PREFIX_V1 "/webhdfs/v1"
+#define HTTPFS_URL_PREFIX_V1_SSL "/swebhdfs/v1"
+#define HTTPFS_CONTENT_TYPE "Content-Type: application/octet-stream"
+#define HTTPFS_USER_AGENT "omhttpfs by sskaje/" OMHTTPFS_VERSION
+
+#define HTTPFS_CONTENT_TYPE_JSON "application/json"
+#define HTTPFS_JSON_BOOLEAN_TRUE "{\"boolean\":true}"
+
+#define HTTPFS_FILEALREADYEXISTSEXCEPTION "FileAlreadyExistsException"
+
+#define HTTPFS_URL_BUFFER_LENGTH 2048
+
+
+/*
+Examples:
+
+module(load="omhttpfs")
+template(name="hdfs_tmp_file" type="string" string="/tmp/%$YEAR%/test.log")
+template(name="hdfs_tmp_filecontent" type="string" string="%$YEAR%-%$MONTH%-%$DAY% %MSG% ==\n")
+local4.* action(type="omhttpfs" host="10.1.1.161" port="14000" https="off" file="hdfs_tmp_file" isDynFile="on")
+local5.* action(type="omhttpfs" host="10.1.1.161" port="14000" https="off" file="hdfs_tmp_file" isDynFile="on"
+template="hdfs_tmp_filecontent")
+
+*/
+
+#define DPP(x) DBGPRINTF("OMHTTPFS: %s:%d %s(): %s\n", __FILE__, __LINE__, __FUNCTION__, x)
+
+/**
+ * Exception object
+ *
+ */
+typedef struct _HTTPFS_JSON_REMOTE_EXCEPTION {
+ char message[1024];
+ char exception[256];
+ char class[256];
+} httpfs_json_remote_exception;
+
+
+typedef struct _instanceData {
+ sbool https;
+ uchar* host;
+ uchar* ip;
+ int port;
+ uchar* user;
+
+ int timeout;
+ uchar* file;
+ sbool isDynFile;
+
+ uchar* tplName;
+} instanceData;
+
+
+typedef struct wrkrInstanceData {
+ instanceData *pData;
+
+ CURL* curl;
+
+ uchar* file;
+
+ int replyLen;
+ char* reply;
+} wrkrInstanceData_t;
+
+
+/* tables for interfacing with the v6 config system */
+/* action (instance) parameters */
+static struct cnfparamdescr actpdescr[] = {
+ { "host", eCmdHdlrGetWord, 0 },
+ { "port", eCmdHdlrInt, 0 },
+ { "user", eCmdHdlrGetWord, 0 },
+ { "https", eCmdHdlrBinary, 0 },
+ { "file", eCmdHdlrGetWord, CNFPARAM_REQUIRED },
+ { "isdynfile", eCmdHdlrBinary, 0 },
+ { "template", eCmdHdlrGetWord, 0 },
+};
+static struct cnfparamblk actpblk = {
+ CNFPARAMBLK_VERSION,
+ sizeof(actpdescr)/sizeof(struct cnfparamdescr),
+ actpdescr
+};
+
+/**
+ * curl init
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param instanceData *pData
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_init_curl(wrkrInstanceData_t *pWrkrData, instanceData *pData)
+{
+ CURL *curl = NULL;
+
+ curl = curl_easy_init();
+
+ if (curl) {
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
+
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+
+ if (pData->https) {
+ DBGPRINTF("%s(): Enable HTTPS\n", __FUNCTION__);
+ /* for ssl */
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
+ }
+ } else {
+ /* LOG */
+ LogError(0, RS_RET_OBJ_CREATION_FAILED, "omhttpfs: failed to init cURL\n");
+
+ return RS_RET_OBJ_CREATION_FAILED;
+ }
+
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, HTTPFS_USER_AGENT);
+
+ pWrkrData->curl = curl;
+ return RS_RET_OK;
+}
+
+/**
+ * Build HTTPFS URL
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param char* op
+ * @param es_str_t** url_buf
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_build_url(wrkrInstanceData_t *pWrkrData, const char* op, es_str_t** url_buf)
+{
+ *url_buf = es_newStr(HTTPFS_URL_BUFFER_LENGTH);
+
+ if (pWrkrData->pData->https) {
+ es_addBuf(url_buf, "https://", sizeof("https://")-1);
+ } else {
+ es_addBuf(url_buf, "http://", sizeof("http://")-1);
+ }
+
+ /* host */
+ es_addBuf(url_buf, (char* )pWrkrData->pData->host, strlen((char*)pWrkrData->pData->host));
+
+ /* port */
+ es_addChar(url_buf, ':');
+ char portBuf[6];
+ snprintf(portBuf, sizeof(portBuf), "%d", pWrkrData->pData->port);
+ es_addBuf(url_buf, portBuf, strlen(portBuf));
+
+ /* prefix */
+ es_addBuf(url_buf, HTTPFS_URL_PREFIX_V1, sizeof(HTTPFS_URL_PREFIX_V1)-1);
+
+ /* path */
+ if (pWrkrData->file[0] != '/') {
+ es_addChar(url_buf, '/');
+ }
+ es_addBuf(url_buf, (char* )pWrkrData->file, strlen((char* )pWrkrData->file));
+
+ /* queries */
+ /* user */
+ es_addBuf(url_buf, "?user.name=", sizeof("?user.name=")-1);
+ es_addBuf(url_buf, (char* )pWrkrData->pData->user, strlen((char* )pWrkrData->pData->user));
+
+ /* extra parameters */
+ es_addBuf(url_buf, op, strlen(op));
+
+ return RS_RET_OK;
+}
+
+/**
+ * curl set URL
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param char* op
+ * @return void
+ */
+static void httpfs_set_url(wrkrInstanceData_t *pWrkrData, const char* op)
+{
+ es_str_t* url;
+ char* url_cstr;
+ httpfs_build_url(pWrkrData, op, &url);
+ url_cstr = es_str2cstr(url, NULL);
+
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_URL, url_cstr);
+ free(url_cstr);
+}
+/**
+ * Set http method to PUT
+ *
+ * @param CURL* curl
+ * @return void
+ */
+static void httpfs_curl_set_put(CURL* curl)
+{
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 0L);
+ curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
+ curl_easy_setopt(curl, CURLOPT_POST, 0L);
+ curl_easy_setopt(curl, CURLOPT_PUT, 0L);
+ curl_easy_setopt(curl, CURLOPT_UPLOAD, 0L);
+
+ curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
+}
+/**
+ * Set http method to POST
+ *
+ * @param CURL* curl
+ * @return void
+ */
+static void httpfs_curl_set_post(CURL* curl)
+{
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 0L);
+ curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
+ curl_easy_setopt(curl, CURLOPT_PUT, 0L);
+ curl_easy_setopt(curl, CURLOPT_UPLOAD, 0L);
+ curl_easy_setopt(curl, CURLOPT_POST, 1L);
+
+ curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
+}
+
+/**
+ * Build curl slist
+ *
+ * @param struct curl_slist* headers
+ * @param int hdr_count
+ * @param ...
+ * @return struct curl_slist*
+ */
+static struct curl_slist*
+httpfs_curl_add_header(struct curl_slist* headers, int hdr_count, ...)
+{
+ const char* hdr;
+
+ va_list ar;
+ va_start(ar, hdr_count);
+ for (; hdr_count > 0; hdr_count--) {
+ hdr = va_arg(ar, const char*);
+
+ if (hdr != NULL
+ && hdr[0] != 0) {
+ /* non-empty string */
+ headers = curl_slist_append(headers, hdr);
+ } else {
+ break;
+ }
+ }
+ va_end(ar);
+
+ headers = curl_slist_append(headers, "Expect:");
+ headers = curl_slist_append(headers, "Transfer-Encoding:");
+
+ return headers;
+}
+
+/**
+ * Callback function for CURLOPT_WRITEFUNCTION
+ *
+ * @param void* contents
+ * @param size_t size
+ * @param size_t nmemb
+ * @param void *userp
+ * @return size_t
+ */
+static size_t
+httpfs_curl_result_callback(void *contents, size_t size, size_t nmemb, void *userp)
+{
+ size_t realsize = size * nmemb;
+ char *newreply = NULL;
+ wrkrInstanceData_t *mem = (wrkrInstanceData_t *)userp;
+
+ newreply = realloc(mem->reply, mem->replyLen + realsize + 1);
+ if (newreply == NULL) {
+ /* out of memory! */
+ dbgprintf("not enough memory (realloc returned NULL)\n");
+
+ if (mem->reply != NULL)
+ free(mem->reply);
+
+ mem->reply = NULL;
+ mem->replyLen = 0;
+
+ return 0;
+ }
+
+ mem->reply = newreply;
+ memcpy(&(mem->reply[mem->replyLen]), contents, realsize);
+ mem->replyLen += realsize;
+ mem->reply[mem->replyLen] = 0;
+
+ return realsize;
+}
+
+/**
+ * Variables declaration
+ * used in httpfs related operation
+ */
+#define HTTPFS_CURL_VARS_INIT \
+ struct curl_slist* headers = NULL; \
+ long response_code; \
+ CURLcode res; \
+ char* content_type;
+
+/**
+ * Resource release
+ * used in httpfs related operation
+ */
+#define HTTPFS_CURL_VARS_RELEASE \
+ curl_slist_free_all(headers);
+
+/**
+ * Curl execution
+ * used in httpfs related operation
+ */
+#define HTTPFS_CURL_EXEC \
+ pWrkrData->reply = NULL; \
+ pWrkrData->replyLen = 0; \
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_WRITEDATA, pWrkrData); \
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_WRITEFUNCTION, httpfs_curl_result_callback); \
+ res = curl_easy_perform(pWrkrData->curl); \
+ if (res == CURLE_OK) { \
+ curl_easy_getinfo(pWrkrData->curl, CURLINFO_CONTENT_TYPE, &content_type); \
+ if (strncmp(content_type, HTTPFS_CONTENT_TYPE_JSON, strlen(HTTPFS_CONTENT_TYPE_JSON))) { \
+ } \
+ curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code); \
+ if (pWrkrData->reply != NULL) { \
+ pWrkrData->reply[pWrkrData->replyLen] = '\0'; \
+ } \
+ } else { \
+ LogError(0, RS_RET_ERR, "CURL request fail, code=%d, error string=%s\n", res, curl_easy_strerror(res)); \
+ return -1; \
+ }
+
+/**
+ * Parse remote exception json string
+ *
+ * @param char* buf
+ * @param int length
+ * @param httpfs_json_remote_exception* jre
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_parse_exception(char* buf, int length, httpfs_json_remote_exception* jre)
+{
+ DEFiRet;
+
+ if (!length) {
+ return RS_RET_JSON_PARSE_ERR;
+ }
+
+ struct json_tokener* jt = json_tokener_new();
+ json_tokener_reset(jt);
+
+ struct json_object *json;
+ json = json_tokener_parse_ex(jt, buf, length);
+ if (!json_object_is_type(json, json_type_object)) {
+ ABORT_FINALIZE(RS_RET_JSON_PARSE_ERR);
+ }
+
+ if (!json_object_object_get_ex(json, "RemoteException", &json)) {
+ ABORT_FINALIZE(RS_RET_JSON_PARSE_ERR);
+ }
+
+ struct json_object *jobj;
+
+ memset(jre, 0, sizeof(*jre));
+
+ const char *str;
+
+ json_object_object_get_ex(json, "javaClassName", &jobj);
+ str = json_object_get_string(jobj);
+ strncpy(jre->class, str, sizeof(jre->class));
+ jre->class[sizeof(jre->class)-1] = '\0';
+
+ json_object_object_get_ex(json, "exception", &jobj);
+ str = json_object_get_string(jobj);
+ strncpy(jre->exception, str, sizeof(jre->exception));
+ jre->exception[sizeof(jre->exception)-1] = '\0';
+
+ json_object_object_get_ex(json, "message", &jobj);
+ str = json_object_get_string(jobj);
+ strncpy(jre->message, str, sizeof(jre->message));
+ jre->message[sizeof(jre->message)-1] = '\0';
+
+finalize_it:
+ if(jt != NULL)
+ json_tokener_free(jt);
+ if(json != NULL)
+ json_object_put(json);
+ RETiRet;
+}
+
+
+
+/**
+ * Create a file
+ * op=CREATE
+ * overwrite is turned off
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param char* buf
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_create_file(wrkrInstanceData_t *pWrkrData, uchar* buf)
+{
+ /* httpfs.create automatically create folders, no mkdirs needed. */
+
+ /*
+ curl -b /tmp/c.tmp -c /tmp/c.tmp -d 'aaaaabbbbb' -i -H 'Content-Type: application/octet-stream' -X PUT \
+ 'http://172.16.3.20:14000/webhdfs/v1/tmp/a/b?user.name=hdfs&op=create&data=true'
+ */
+HTTPFS_CURL_VARS_INIT
+ DBGPRINTF("%s(): file=%s\n", __FUNCTION__, pWrkrData->file);
+ httpfs_curl_set_put(pWrkrData->curl);
+
+ /*
+overwrite - if a file with this name already exists, then if true, the file will be overwritten, and if
+false an error will be thrown.
+bufferSize - the size of the buffer to be used.
+replication - required block replication for the file.
+ */
+ httpfs_set_url(pWrkrData, "&op=create&overwrite=false&data=true");
+
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDS, (char*)buf);
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDSIZE, strlen((char*) buf));
+
+ DBGPRINTF("%s(): msg=%s\n", __FUNCTION__, buf);
+
+ headers = httpfs_curl_add_header(headers, 1, HTTPFS_CONTENT_TYPE);
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_HTTPHEADER, headers);
+
+HTTPFS_CURL_EXEC
+
+ int success = 0;
+
+ if (response_code == 201) {
+ success = 1;
+ }
+
+HTTPFS_CURL_VARS_RELEASE
+ if (success) {
+ return RS_RET_OK;
+ } else {
+ return RS_RET_FALSE;
+ }
+}
+
+/**
+ * Append to file
+ * op=APPEND
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param char* buf
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_append_file(wrkrInstanceData_t *pWrkrData, uchar* buf)
+{
+ /*
+ curl -b /tmp/c.tmp -c /tmp/c.tmp -d 'aaaaabbbbb' -i -H 'Content-Type: application/octet-stream' \
+ 'http://172.16.3.20:14000/webhdfs/v1/tmp/a/b?user.name=hdfs&op=append&data=true'
+ */
+HTTPFS_CURL_VARS_INIT
+ DBGPRINTF("%s(): file=%s\n", __FUNCTION__, pWrkrData->file);
+ httpfs_curl_set_post(pWrkrData->curl);
+ httpfs_set_url(pWrkrData, "&op=append&data=true");
+
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDS, (char*)buf);
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDSIZE, strlen((char*) buf));
+
+ headers = httpfs_curl_add_header(headers, 1, HTTPFS_CONTENT_TYPE);
+ curl_easy_setopt(pWrkrData->curl, CURLOPT_HTTPHEADER, headers);
+ DBGPRINTF("%s(): msg=%s\n", __FUNCTION__, buf);
+
+HTTPFS_CURL_EXEC
+
+ int success = 0;
+
+ if (response_code == 200) {
+ success = 1;
+ } else if (response_code == 404) {
+ /* TODO: 404 ? */
+
+ }
+HTTPFS_CURL_VARS_RELEASE
+ if (success) {
+ return RS_RET_OK;
+ } else {
+ return RS_RET_FALSE;
+ }
+}
+
+
+/**
+ * httpfs log
+ *
+ * @param wrkrInstanceData_t *pWrkrData
+ * @param uchar* buf
+ * @return rsRetVal
+ */
+static rsRetVal
+httpfs_log(wrkrInstanceData_t *pWrkrData, uchar* buf)
+{
+ /**
+ append ? 200/end : (404 || ?)
+ create & ~overwrite ? 201/200/end :
+ append ? 200/end : error ?
+
+
+ */
+ DEFiRet;
+
+ long response_code;
+ httpfs_json_remote_exception jre;
+
+ iRet = httpfs_append_file(pWrkrData, buf);
+ if (iRet == RS_RET_OK) {
+ DBGPRINTF("omhttpfs: Append success: %s\n", pWrkrData->file);
+ return RS_RET_OK;
+ }
+
+ curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code);
+ if (response_code != 404) {
+ /* TODO: log error */
+ DBGPRINTF("omhttpfs: Append fail HTTP %ld: %s\n", response_code, pWrkrData->file);
+ return RS_RET_FALSE;
+ }
+
+ iRet = httpfs_create_file(pWrkrData, buf);
+ if (iRet == RS_RET_OK) {
+ DBGPRINTF("omhttpfs: Create file success: %s\n", pWrkrData->file);
+ return RS_RET_OK;
+ }
+
+ curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code);
+ if (response_code == 201) {
+ DBGPRINTF("omhttpfs: Create file success HTTP 201: %s\n", pWrkrData->file);
+ return RS_RET_OK;
+ }
+
+ if (response_code == 500) {
+ DBGPRINTF("omhttpfs: Create file failed HTTP %ld: %s\n", response_code, pWrkrData->file);
+ httpfs_parse_exception(pWrkrData->reply, pWrkrData->replyLen, &jre);
+ if (!strncmp(jre.exception, HTTPFS_FILEALREADYEXISTSEXCEPTION, strlen(HTTPFS_FILEALREADYEXISTSEXCEPTION))) {
+ /* file exists, go to append */
+ DBGPRINTF("omhttpfs: File already exists, append again: %s\n", pWrkrData->file);
+
+ iRet = httpfs_append_file(pWrkrData, buf);
+ if (iRet == RS_RET_OK) {
+ DBGPRINTF("omhttpfs: Re-Append success: %s\n", pWrkrData->file);
+ return RS_RET_OK;
+ } else {
+ DBGPRINTF("omhttpfs: Re-Append failed: %s\n", pWrkrData->file);
+ /* error
+ exit */
+ }
+
+ } else {
+ DBGPRINTF("omhttpfs: Create file failed: %s %s\n", pWrkrData->file, pWrkrData->reply);
+ }
+ } else {
+ DBGPRINTF("omhttpfs: Create file failed: %s %s\n", pWrkrData->file, pWrkrData->reply);
+ }
+
+ return RS_RET_FALSE;
+}
+
+
+BEGINinitConfVars
+ CODESTARTinitConfVars
+ENDinitConfVars
+
+
+BEGINcreateInstance
+CODESTARTcreateInstance
+ DBGPRINTF("omhttpfs: createInstance\n");
+ENDcreateInstance
+
+
+BEGINcreateWrkrInstance
+CODESTARTcreateWrkrInstance
+ DBGPRINTF("omhttpfs: createWrkrInstance\n");
+ pWrkrData->curl = NULL;
+ iRet = httpfs_init_curl(pWrkrData, pWrkrData->pData);
+ DBGPRINTF("omhttpfs: createWrkrInstance,pData %p/%p, pWrkrData %p\n",
+ pData, pWrkrData->pData, pWrkrData);
+ENDcreateWrkrInstance
+
+
+BEGINisCompatibleWithFeature
+CODESTARTisCompatibleWithFeature
+ if(eFeat == sFEATURERepeatedMsgReduction)
+ iRet = RS_RET_OK;
+ENDisCompatibleWithFeature
+
+
+BEGINfreeInstance
+CODESTARTfreeInstance
+ free(pData->file);
+ free(pData->tplName);
+ free(pData->host);
+ free(pData->user);
+ENDfreeInstance
+
+
+BEGINfreeWrkrInstance
+CODESTARTfreeWrkrInstance
+ free(pWrkrData->file);
+
+ if(pWrkrData->curl) {
+ curl_easy_cleanup(pWrkrData->curl);
+ pWrkrData->curl = NULL;
+ }
+ENDfreeWrkrInstance
+
+
+BEGINdbgPrintInstInfo
+CODESTARTdbgPrintInstInfo
+ DBGPRINTF("OmHTTPFS\n");
+ DBGPRINTF("Version: %s\n", OMHTTPFS_VERSION);
+ DBGPRINTF("\tHost: %s\n", pData->host);
+ DBGPRINTF("\tPort: %d\n", pData->port);
+ DBGPRINTF("\tUser: %s\n", pData->user);
+ DBGPRINTF("\tFile: %s\n", pData->file);
+ENDdbgPrintInstInfo
+
+
+BEGINtryResume
+CODESTARTtryResume
+ DBGPRINTF("omhttpfs: tryResume called\n");
+ /* TODO: test networking */
+ iRet = RS_RET_OK;
+ENDtryResume
+
+/**
+* Do Action
+*/
+BEGINdoAction
+CODESTARTdoAction
+ DBGPRINTF("omhttpfs: doAction\n");
+ /* dynamic file name */
+ if (pWrkrData->pData->isDynFile) {
+ pWrkrData->file = ustrdup(ppString[1]);
+ } else {
+ pWrkrData->file = ustrdup(pWrkrData->pData->file);
+ }
+
+ /* ppString[0] -> log content */
+ iRet = httpfs_log(pWrkrData, ppString[0]);
+
+ if(iRet != RS_RET_OK) {
+ DBGPRINTF("omhttpfs: error writing httpfs, suspending\n");
+ iRet = RS_RET_SUSPENDED;
+ }
+ENDdoAction
+
+
+
+/**
+ * Set default parameters
+ *
+ * @param instanceData *pData
+ * @return void
+ */
+static void
+setInstParamDefaults(instanceData *pData)
+{
+ pData->host = (uchar*) strdup(OMHTTPFS_DEFAULT_HOST);
+ pData->port = OMHTTPFS_DEFAULT_PORT;
+ pData->user = (uchar*) strdup(OMHTTPFS_DEFAULT_USER);
+ pData->https = 0;
+
+ pData->file = NULL;
+ pData->isDynFile = 0;
+ pData->tplName = NULL;
+}
+
+
+BEGINnewActInst
+ struct cnfparamvals *pvals;
+ int i;
+ uchar *tplToUse;
+CODESTARTnewActInst
+ if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) {
+ ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+ }
+
+ CHKiRet(createInstance(&pData));
+ setInstParamDefaults(pData);
+
+ for(i = 0 ; i < actpblk.nParams ; ++i) {
+ if(!pvals[i].bUsed)
+ continue;
+ if(!strcmp(actpblk.descr[i].name, "host")) {
+ pData->host = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(actpblk.descr[i].name, "port")) {
+ pData->port = (int) pvals[i].val.d.n;
+ } else if(!strcmp(actpblk.descr[i].name, "user")) {
+ pData->user = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+
+ } else if(!strcmp(actpblk.descr[i].name, "https")) {
+ pData->https = pvals[i].val.d.n ? 1 : 0;
+
+ } else if(!strcmp(actpblk.descr[i].name, "file")) {
+ pData->file = (uchar *) es_str2cstr(pvals[i].val.d.estr, NULL);
+
+ } else if(!strcmp(actpblk.descr[i].name, "isdynfile")) {
+ pData->isDynFile = pvals[i].val.d.n ? 1 : 0;
+
+ } else if(!strcmp(actpblk.descr[i].name, "template")) {
+ pData->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else {
+ DBGPRINTF("omhttpfs: program error, non-handled param '%s'\n", actpblk.descr[i].name);
+ }
+ }
+ if(pData->file == NULL) {
+ /* Note: this is primarily to make clang static analyzer happy, as we
+ * request via pblk that file is a mandatory parameter. However, this is
+ * also a guard against something going really wrong...
+ */
+ LogError(0, RS_RET_INTERNAL_ERROR, "omhttpfs: file is not set "
+ "[this should not be possible]\n");
+ ABORT_FINALIZE(RS_RET_INTERNAL_ERROR);
+ }
+ if(pData->user == NULL || pData->user[0] == '\0') {
+ pData->user = ustrdup((uchar*) OMHTTPFS_DEFAULT_USER);
+ }
+ if(pData->host == NULL || pData->host[0] == '\0') {
+ pData->host = ustrdup((uchar*) OMHTTPFS_DEFAULT_HOST);
+ }
+
+ if (pData->isDynFile) {
+ CODE_STD_STRING_REQUESTparseSelectorAct(2)
+
+ CHKiRet(OMSRsetEntry(*ppOMSR, 1, ustrdup(pData->file), OMSR_NO_RQD_TPL_OPTS));
+ } else {
+ CODE_STD_STRING_REQUESTparseSelectorAct(1)
+ }
+
+ tplToUse = ustrdup((pData->tplName == NULL) ? (uchar* ) "RSYSLOG_FileFormat" : pData->tplName);
+ iRet = OMSRsetEntry(*ppOMSR, 0, tplToUse, OMSR_NO_RQD_TPL_OPTS);
+
+CODE_STD_FINALIZERnewActInst
+ cnfparamvalsDestruct(pvals, &actpblk);
+ENDnewActInst
+
+
+NO_LEGACY_CONF_parseSelectorAct
+
+
+/**
+* Module Exit
+*/
+BEGINmodExit
+CODESTARTmodExit
+ /* */
+ curl_global_cleanup();
+
+ /* release what we no longer need */
+ objRelease(datetime, CORE_COMPONENT);
+ objRelease(glbl, CORE_COMPONENT);
+
+ENDmodExit
+
+/**
+* Query Entry Point
+*/
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+ CODEqueryEtryPt_STD_OMOD_QUERIES
+ CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES
+ CODEqueryEtryPt_STD_OMOD8_QUERIES
+ CODEqueryEtryPt_STD_CONF2_CNFNAME_QUERIES
+ENDqueryEtryPt
+
+
+/**
+* Module Init
+*/
+BEGINmodInit()
+CODESTARTmodInit
+INITLegCnfVars
+ *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
+CODEmodInit_QueryRegCFSLineHdlr
+ /* tell which objects we need */
+ CHKiRet(objUse(glbl, CORE_COMPONENT));
+ CHKiRet(objUse(datetime, CORE_COMPONENT));
+
+ if (curl_global_init(CURL_GLOBAL_ALL) != 0) {
+ LogError(0, RS_RET_OBJ_CREATION_FAILED, "CURL fail. -httpfs module init failed");
+ ABORT_FINALIZE(RS_RET_OBJ_CREATION_FAILED);
+ }
+
+ DBGPRINTF("omhttpfs version %s is initializing\n", OMHTTPFS_VERSION);
+
+ENDmodInit