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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/imhttp
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/imhttp/Makefile.am5
-rw-r--r--contrib/imhttp/Makefile.in795
-rw-r--r--contrib/imhttp/imhttp.c1326
3 files changed, 2126 insertions, 0 deletions
diff --git a/contrib/imhttp/Makefile.am b/contrib/imhttp/Makefile.am
new file mode 100644
index 0000000..ce64dc4
--- /dev/null
+++ b/contrib/imhttp/Makefile.am
@@ -0,0 +1,5 @@
+pkglib_LTLIBRARIES = imhttp.la
+
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+imhttp_la_LDFLAGS = -module -avoid-version $(CIVETWEB_LIBS) $(APU_LIBS)
diff --git a/contrib/imhttp/Makefile.in b/contrib/imhttp/Makefile.in
new file mode 100644
index 0000000..8eff726
--- /dev/null
+++ b/contrib/imhttp/Makefile.in
@@ -0,0 +1,795 @@
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+
+mostlyclean-libtool:
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+
+clean-libtool:
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+ID: $(am__tagged_files)
+ $(am__define_uniq_tagged_files); mkid -fID $$unique
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+
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+ fi
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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/imhttp/imhttp.c b/contrib/imhttp/imhttp.c
new file mode 100644
index 0000000..95704af
--- /dev/null
+++ b/contrib/imhttp/imhttp.c
@@ -0,0 +1,1326 @@
+/* imhttp.c
+ * This is an input module for receiving http input.
+ *
+ * This file is contribution 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 <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include "rsyslog.h"
+#include "cfsysline.h" /* access to config file objects */
+#include "module-template.h"
+#include "ruleset.h"
+#include "unicode-helper.h"
+#include "rsyslog.h"
+#include "errmsg.h"
+#include "statsobj.h"
+#include "ratelimit.h"
+#include "dirty.h"
+
+#include "civetweb.h"
+#include <apr_base64.h>
+#include <apr_md5.h>
+
+MODULE_TYPE_INPUT
+MODULE_TYPE_NOKEEP
+MODULE_CNFNAME("imhttp")
+
+/* static data */
+DEF_OMOD_STATIC_DATA
+DEFobjCurrIf(glbl)
+DEFobjCurrIf(prop)
+DEFobjCurrIf(ruleset)
+DEFobjCurrIf(statsobj)
+
+#define CIVETWEB_OPTION_NAME_PORTS "listening_ports"
+#define CIVETWEB_OPTION_NAME_DOCUMENT_ROOT "document_root"
+#define MAX_READ_BUFFER_SIZE 16384
+#define INIT_SCRATCH_BUF_SIZE 4096
+/* General purpose buffer size. */
+#define IMHTTP_MAX_BUF_LEN (8192)
+
+struct option {
+ const char *name;
+ const char *val;
+};
+
+struct auth_s {
+ char workbuf[IMHTTP_MAX_BUF_LEN];
+ char* pworkbuf;
+ size_t workbuf_len;
+ char* pszUser;
+ char* pszPasswd;
+};
+
+struct data_parse_s {
+ sbool content_compressed;
+ sbool bzInitDone; /* did we do an init of zstrm already? */
+ z_stream zstrm; /* zip stream to use for tcp compression */
+ // Currently only used for octet specific parsing
+ enum {
+ eAtStrtFram,
+ eInOctetCnt,
+ eInMsg,
+ } inputState;
+ size_t iOctetsRemain; /* Number of Octets remaining in message */
+ enum {
+ TCP_FRAMING_OCTET_STUFFING,
+ TCP_FRAMING_OCTET_COUNTING
+ } framingMode;
+};
+
+struct modConfData_s {
+ rsconf_t *pConf; /* our overall config object */
+ instanceConf_t *root, *tail;
+ struct option ports;
+ struct option docroot;
+ struct option *options;
+ int nOptions;
+};
+
+struct instanceConf_s {
+ struct instanceConf_s *next;
+ uchar *pszBindRuleset; /* name of ruleset to bind to */
+ uchar *pszEndpoint; /* endpoint to configure */
+ uchar *pszBasicAuthFile; /* file containing basic auth users/pass */
+ ruleset_t *pBindRuleset; /* ruleset to bind listener to (use system default if unspecified) */
+ ratelimit_t *ratelimiter;
+ unsigned int ratelimitInterval;
+ unsigned int ratelimitBurst;
+ uchar *pszInputName; /* value for inputname property, NULL is OK and handled by core engine */
+ prop_t *pInputName;
+ sbool flowControl;
+ sbool bDisableLFDelim;
+ sbool bSuppOctetFram;
+ sbool bAddMetadata;
+};
+
+struct conn_wrkr_s {
+ struct data_parse_s parseState;
+ uchar* pMsg; /* msg scratch buffer */
+ size_t iMsg; /* index of next char to store in msg */
+ uchar zipBuf[64*1024];
+ multi_submit_t multiSub;
+ smsg_t *pMsgs[CONF_NUM_MULTISUB];
+ char *pReadBuf;
+ size_t readBufSize;
+ prop_t *propRemoteAddr;
+ const struct mg_request_info *pri; /* do not free me - used to hold a reference only */
+ char *pScratchBuf;
+ size_t scratchBufSize;
+};
+
+static modConfData_t *loadModConf = NULL;/* modConf ptr to use for the current load process */
+static modConfData_t *runModConf = NULL;/* modConf ptr to use for the current load process */
+static prop_t *pInputName = NULL;
+
+//static size_t s_iMaxLine = 16; /* get maximum size we currently support */
+static size_t s_iMaxLine = 16384; /* get maximum size we currently support */
+
+/* module-global parameters */
+static struct cnfparamdescr modpdescr[] = {
+ { "ports", eCmdHdlrString, 0 },
+ { "documentroot", eCmdHdlrString, 0 },
+ { "liboptions", eCmdHdlrArray, 0 },
+};
+
+static struct cnfparamblk modpblk = {
+ CNFPARAMBLK_VERSION,
+ sizeof(modpdescr)/sizeof(struct cnfparamdescr),
+ modpdescr
+};
+
+static struct cnfparamdescr inppdescr[] = {
+ { "endpoint", eCmdHdlrString, 0},
+ { "basicauthfile", eCmdHdlrString, 0},
+ { "ruleset", eCmdHdlrString, 0 },
+ { "flowcontrol", eCmdHdlrBinary, 0 },
+ { "disablelfdelimiter", eCmdHdlrBinary, 0 },
+ { "supportoctetcountedframing", eCmdHdlrBinary, 0 },
+ { "name", eCmdHdlrString, 0 },
+ { "ratelimit.interval", eCmdHdlrInt, 0 },
+ { "ratelimit.burst", eCmdHdlrInt, 0 },
+ { "addmetadata", eCmdHdlrBinary, 0 }
+};
+
+#include "im-helper.h" /* must be included AFTER the type definitions! */
+
+static struct cnfparamblk inppblk = {
+ CNFPARAMBLK_VERSION,
+ sizeof(inppdescr)/sizeof(struct cnfparamdescr),
+ inppdescr
+};
+
+static struct {
+ statsobj_t *stats;
+ STATSCOUNTER_DEF(ctrSubmitted, mutCtrSubmitted)
+ STATSCOUNTER_DEF(ctrFailed, mutCtrFailed);
+ STATSCOUNTER_DEF(ctrDiscarded, mutCtrDiscarded);
+} statsCounter;
+
+#include "im-helper.h" /* must be included AFTER the type definitions! */
+
+#define min(a, b) \
+ ({ __typeof__ (a) _a = (a); \
+ __typeof__ (b) _b = (b); \
+ _a < _b ? _a : _b; })
+
+#define EXIT_FAILURE 1
+#define EXIT_SUCCESS 0
+#define EXIT_URI "/exit"
+volatile int exitNow = 0;
+
+struct mg_callbacks callbacks;
+
+typedef struct httpserv_s {
+ struct mg_context *ctx;
+ struct mg_callbacks callbacks;
+ const char **civetweb_options;
+ size_t civetweb_options_count;
+} httpserv_t;
+
+static httpserv_t *s_httpserv;
+
+/* FORWARD DECLARATIONS */
+static rsRetVal processData(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len);
+
+static rsRetVal
+createInstance(instanceConf_t **pinst)
+{
+ instanceConf_t *inst;
+ DEFiRet;
+ CHKmalloc(inst = calloc(1, sizeof(instanceConf_t)));
+ inst->next = NULL;
+ inst->pszBindRuleset = NULL;
+ inst->pBindRuleset = NULL;
+ inst->pszEndpoint = NULL;
+ inst->pszBasicAuthFile = NULL;
+ inst->ratelimiter = NULL;
+ inst->pszInputName = NULL;
+ inst->pInputName = NULL;
+ inst->ratelimitBurst = 10000; /* arbitrary high limit */
+ inst->ratelimitInterval = 0; /* off */
+ inst->flowControl = 1;
+ inst->bDisableLFDelim = 0;
+ inst->bSuppOctetFram = 0;
+ inst->bAddMetadata = 0;
+ // construct statsobj
+
+ /* node created, let's add to config */
+ if(loadModConf->tail == NULL) {
+ loadModConf->tail = loadModConf->root = inst;
+ } else {
+ loadModConf->tail->next = inst;
+ loadModConf->tail = inst;
+ }
+
+ *pinst = inst;
+finalize_it:
+ RETiRet;
+}
+
+static rsRetVal
+processCivetwebOptions(char *const param,
+ const char **const name,
+ const char **const paramval)
+{
+ DEFiRet;
+ char *val = strstr(param, "=");
+ if(val == NULL) {
+ LogError(0, RS_RET_PARAM_ERROR, "missing equal sign in "
+ "parameter '%s'", param);
+ ABORT_FINALIZE(RS_RET_PARAM_ERROR);
+ }
+ *val = '\0'; /* terminates name */
+ ++val; /* now points to begin of value */
+ CHKmalloc(*name = strdup(param));
+ CHKmalloc(*paramval = strdup(val));
+
+finalize_it:
+ RETiRet;
+}
+
+static sbool valid_civetweb_option(const struct mg_option *valid_opts, const char* option)
+{
+ const struct mg_option *pvalid_opts = valid_opts;
+ for (; pvalid_opts != NULL && pvalid_opts->name != NULL; pvalid_opts++) {
+ if (strcmp(pvalid_opts->name, option) == 0) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+#if 0
+static int
+log_message(__attribute__((unused)) const struct mg_connection *conn, const char *message)
+{
+ puts(message);
+ return 1;
+}
+#endif
+/*
+ * thread_type:
+ * 0 indicates the master thread
+ * 1 indicates a worker thread handling client connections
+ * 2 indicates an internal helper thread (timer thread)
+*/
+static void*
+init_thread(__attribute__((unused)) const struct mg_context *ctx, int thread_type)
+{
+ DEFiRet;
+ struct conn_wrkr_s *data = NULL;
+ if (thread_type == 1) {
+ CHKmalloc(data = calloc(1, sizeof(struct conn_wrkr_s)));
+ data->pMsg = NULL;
+ data->iMsg = 0;
+ data->parseState.bzInitDone = 0;
+ data->parseState.content_compressed = 0;
+ data->parseState.inputState = eAtStrtFram;
+ data->parseState.iOctetsRemain = 0;
+ data->multiSub.maxElem = CONF_NUM_MULTISUB;
+ data->multiSub.ppMsgs = data->pMsgs;
+ data->multiSub.nElem = 0;
+ data->pReadBuf = malloc(MAX_READ_BUFFER_SIZE);
+ data->readBufSize = MAX_READ_BUFFER_SIZE;
+
+ data->parseState.bzInitDone = 0;
+ data->parseState.content_compressed = 0;
+ data->parseState.inputState = eAtStrtFram;
+ data->parseState.iOctetsRemain = 0;
+
+ CHKmalloc(data->pMsg = calloc(1, 1 + s_iMaxLine));
+ data->iMsg = 0;
+ data->propRemoteAddr = NULL;
+ data->pScratchBuf = NULL;
+ data->scratchBufSize = 0;
+ }
+
+finalize_it:
+ if (iRet != RS_RET_OK) {
+ free(data);
+ return NULL;
+ }
+ return data;
+}
+
+static void
+exit_thread(__attribute__((unused)) const struct mg_context *ctx,
+ __attribute__((unused)) int thread_type, void *thread_pointer)
+{
+ if (thread_type == 1) {
+ struct conn_wrkr_s *data = (struct conn_wrkr_s *) thread_pointer;
+ if (data->propRemoteAddr) {
+ prop.Destruct(&data->propRemoteAddr);
+ }
+ if (data->scratchBufSize) {
+ free(data->pScratchBuf);
+ }
+ free(data->pReadBuf);
+ free(data->pMsg);
+ free(data);
+ }
+}
+
+static rsRetVal
+msgAddMetadataFromHttpHeader(smsg_t *const __restrict__ pMsg, struct conn_wrkr_s *connWrkr)
+{
+ struct json_object *json = NULL;
+ DEFiRet;
+ const struct mg_request_info *ri = connWrkr->pri;
+ #define MAX_HTTP_HEADERS 64 /* hard limit */
+ int count = min(ri->num_headers, MAX_HTTP_HEADERS);
+
+ CHKmalloc(json = json_object_new_object());
+ for (int i = 0 ; i < count ; i++ ) {
+ struct json_object *const jval = json_object_new_string(ri->http_headers[i].value);
+ CHKmalloc(jval);
+ /* truncate header names bigger than INIT_SCRATCH_BUF_SIZE */
+ strncpy(connWrkr->pScratchBuf, ri->http_headers[i].name, connWrkr->scratchBufSize - 1);
+ /* make header lowercase */
+ char* pname = connWrkr->pScratchBuf;
+ while (pname && *pname != '\0') {
+ *pname = tolower(*pname);
+ pname++;
+ }
+ json_object_object_add(json, (const char *const)connWrkr->pScratchBuf, jval);
+ }
+ CHKiRet(msgAddJSON(pMsg, (uchar*)"!metadata!httpheaders", json, 0, 0));
+
+finalize_it:
+ if (iRet != RS_RET_OK && json) {
+ json_object_put(json);
+ }
+ RETiRet;
+}
+
+static rsRetVal
+msgAddMetadataFromHttpQueryParams(smsg_t *const __restrict__ pMsg, struct conn_wrkr_s *connWrkr)
+{
+ struct json_object *json = NULL;
+ DEFiRet;
+ const struct mg_request_info *ri = connWrkr->pri;
+
+ if (ri && ri->query_string) {
+ strncpy(connWrkr->pScratchBuf, ri->query_string, connWrkr->scratchBufSize - 1);
+ char *pquery_str = connWrkr->pScratchBuf;
+ if (pquery_str) {
+ CHKmalloc(json = json_object_new_object());
+
+ char* saveptr = NULL;
+ char *kv_pair = strtok_r(pquery_str, "&;", &saveptr);
+
+ for ( ; kv_pair != NULL; kv_pair = strtok_r(NULL, "&;", &saveptr)) {
+ char *saveptr2 = NULL;
+ char *key = strtok_r(kv_pair, "=", &saveptr2);
+ if (key) {
+ char *value = strtok_r(NULL, "=", &saveptr2);
+ struct json_object *const jval = json_object_new_string(value);
+ CHKmalloc(jval);
+ json_object_object_add(json, (const char *)key, jval);
+ }
+ }
+ CHKiRet(msgAddJSON(pMsg, (uchar*)"!metadata!queryparams", json, 0, 0));
+ }
+ }
+finalize_it:
+ if (iRet != RS_RET_OK && json) {
+ json_object_put(json);
+ }
+ RETiRet;
+}
+
+static rsRetVal
+doSubmitMsg(const instanceConf_t *const __restrict__ inst,
+ struct conn_wrkr_s *connWrkr, const uchar* msg, size_t len)
+{
+ smsg_t *pMsg;
+ DEFiRet;
+
+ assert(len <= s_iMaxLine);
+ if (len == 0) {
+ DBGPRINTF("discarding zero-sized message\n");
+ FINALIZE;
+ }
+
+ CHKiRet(msgConstruct(&pMsg));
+ MsgSetFlowControlType(pMsg, inst->flowControl
+ ? eFLOWCTL_LIGHT_DELAY : eFLOWCTL_NO_DELAY);
+ if (inst->pInputName) {
+ MsgSetInputName(pMsg, inst->pInputName);
+ } else {
+ MsgSetInputName(pMsg, pInputName);
+ }
+ MsgSetRawMsg(pMsg, (const char*)msg, len);
+ MsgSetMSGoffs(pMsg, 0); /* we do not have a header... */
+ if (connWrkr->propRemoteAddr) {
+ MsgSetRcvFromIP(pMsg, connWrkr->propRemoteAddr);
+ }
+ if (inst) {
+ MsgSetRuleset(pMsg, inst->pBindRuleset);
+ }
+ // TODO: make these flags configurable.
+ pMsg->msgFlags = NEEDS_PARSING | PARSE_HOSTNAME;
+
+ if (inst->bAddMetadata) {
+ CHKiRet(msgAddMetadataFromHttpHeader(pMsg, connWrkr));
+ CHKiRet(msgAddMetadataFromHttpQueryParams(pMsg, connWrkr));
+ }
+
+ ratelimitAddMsg(inst->ratelimiter, &connWrkr->multiSub, pMsg);
+ STATSCOUNTER_INC(statsCounter.ctrSubmitted, statsCounter.mutCtrSubmitted);
+finalize_it:
+ connWrkr->iMsg = 0;
+ if (iRet != RS_RET_OK) {
+ STATSCOUNTER_INC(statsCounter.ctrDiscarded, statsCounter.mutCtrDiscarded);
+ }
+ RETiRet;
+}
+
+
+static rsRetVal
+processOctetMsgLen(const instanceConf_t *const inst, struct conn_wrkr_s *connWrkr, char ch)
+{
+ DEFiRet;
+ if (connWrkr->parseState.inputState == eAtStrtFram) {
+ if (inst->bSuppOctetFram && isdigit(ch)) {
+ connWrkr->parseState.inputState = eInOctetCnt;
+ connWrkr->parseState.iOctetsRemain = 0;
+ connWrkr->parseState.framingMode = TCP_FRAMING_OCTET_COUNTING;
+ } else {
+ connWrkr->parseState.inputState = eInMsg;
+ connWrkr->parseState.framingMode = TCP_FRAMING_OCTET_STUFFING;
+ }
+ }
+
+ // parsing character.
+ if (connWrkr->parseState.inputState == eInOctetCnt) {
+ if (isdigit(ch)) {
+ if (connWrkr->parseState.iOctetsRemain <= 200000000) {
+ connWrkr->parseState.iOctetsRemain = connWrkr->parseState.iOctetsRemain * 10 + ch - '0';
+ }
+ // temporarily save this character into the message buffer
+ if(connWrkr->iMsg + 1 < s_iMaxLine) {
+ connWrkr->pMsg[connWrkr->iMsg++] = ch;
+ }
+ } else {
+ const char *remoteAddr = "";
+ if (connWrkr->propRemoteAddr) {
+ remoteAddr = (const char *)propGetSzStr(connWrkr->propRemoteAddr);
+ }
+
+ /* handle space delimeter */
+ if (ch != ' ') {
+ LogError(0, NO_ERRCODE, "Framing Error in received TCP message "
+ "from peer: (ip) %s: to input: %s, delimiter is not "
+ "SP but has ASCII value %d.",
+ remoteAddr, inst->pszInputName, ch);
+ }
+
+ if (connWrkr->parseState.iOctetsRemain < 1) {
+ LogError(0, NO_ERRCODE, "Framing Error in received TCP message"
+ " from peer: (ip) %s: delimiter is not "
+ "SP but has ASCII value %d.",
+ remoteAddr, ch);
+ } else if (connWrkr->parseState.iOctetsRemain > s_iMaxLine) {
+ DBGPRINTF("truncating message with %lu octets - max msg size is %lu\n",
+ connWrkr->parseState.iOctetsRemain, s_iMaxLine);
+ LogError(0, NO_ERRCODE, "received oversize message from peer: "
+ "(hostname) (ip) %s: size is %lu bytes, max msg "
+ "size is %lu, truncating...",
+ remoteAddr, connWrkr->parseState.iOctetsRemain, s_iMaxLine);
+ }
+ connWrkr->parseState.inputState = eInMsg;
+ }
+ /* reset msg len for actual message processing */
+ connWrkr->iMsg = 0;
+ /* retrieve next character */
+ }
+ RETiRet;
+}
+
+static rsRetVal
+processOctetCounting(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len)
+{
+ DEFiRet;
+ const uchar* pbuf = (const uchar*)buf;
+ const uchar* pbufLast = pbuf + len;
+
+ while (pbuf < pbufLast) {
+ char ch = *pbuf;
+
+ if (connWrkr->parseState.inputState == eAtStrtFram || connWrkr->parseState.inputState == eInOctetCnt) {
+ processOctetMsgLen(inst, connWrkr, ch);
+ if (connWrkr->parseState.framingMode == TCP_FRAMING_OCTET_COUNTING) {
+ pbuf++;
+ }
+ } else if (connWrkr->parseState.inputState == eInMsg) {
+ if (connWrkr->parseState.framingMode == TCP_FRAMING_OCTET_STUFFING) {
+ if (connWrkr->iMsg < s_iMaxLine) {
+ if (ch == '\n') {
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ connWrkr->parseState.inputState = eAtStrtFram;
+ } else {
+ connWrkr->pMsg[connWrkr->iMsg++] = ch;
+ }
+ } else {
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ connWrkr->parseState.inputState = eAtStrtFram;
+ }
+ pbuf++;
+ } else {
+ assert (connWrkr->parseState.framingMode == TCP_FRAMING_OCTET_COUNTING);
+ /* parsing payload */
+ size_t remainingBytes = pbufLast - pbuf;
+ // figure out how much is in block
+ size_t count = min (connWrkr->parseState.iOctetsRemain, remainingBytes);
+ if (connWrkr->iMsg + count >= s_iMaxLine) {
+ count = s_iMaxLine - connWrkr->iMsg;
+ }
+
+ // just copy the bytes
+ if (count) {
+ memcpy(connWrkr->pMsg + connWrkr->iMsg, pbuf, count);
+ pbuf += count;
+ connWrkr->iMsg += count;
+ connWrkr->parseState.iOctetsRemain -= count;
+ }
+
+ if (connWrkr->parseState.iOctetsRemain == 0) {
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ connWrkr->parseState.inputState = eAtStrtFram;
+ }
+ }
+ } else {
+ // unexpected
+ assert(0);
+ break;
+ }
+ }
+ RETiRet;
+}
+
+static rsRetVal
+processDisableLF(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len)
+{
+ DEFiRet;
+ const uchar *pbuf = (const uchar*)buf;
+ size_t remainingBytes = len;
+ const uchar* pbufLast = pbuf + len;
+
+ while (pbuf < pbufLast) {
+ size_t count = 0;
+ if (connWrkr->iMsg + remainingBytes >= s_iMaxLine) {
+ count = s_iMaxLine - connWrkr->iMsg;
+ } else {
+ count = remainingBytes;
+ }
+
+ if (count) {
+ memcpy(connWrkr->pMsg + connWrkr->iMsg, pbuf, count);
+ pbuf += count;
+ connWrkr->iMsg += count;
+ remainingBytes -= count;
+ }
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ }
+ RETiRet;
+}
+
+static rsRetVal
+processDataUncompressed(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len)
+{
+ const uchar *pbuf = (const uchar*)buf;
+ DEFiRet;
+
+ if (inst->bDisableLFDelim) {
+ /* do block processing */
+ iRet = processDisableLF(inst, connWrkr, buf, len);
+ } else if (inst->bSuppOctetFram) {
+ iRet = processOctetCounting(inst, connWrkr, buf, len);
+ } else {
+ const uchar* pbufLast = pbuf + len;
+ while (pbuf < pbufLast) {
+ char ch = *pbuf;
+ if (connWrkr->iMsg < s_iMaxLine) {
+ if (ch == '\n') {
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ } else {
+ connWrkr->pMsg[connWrkr->iMsg++] = ch;
+ }
+ } else {
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ }
+ pbuf++;
+ }
+ }
+ RETiRet;
+}
+
+static rsRetVal
+processDataCompressed(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len)
+{
+ DEFiRet;
+
+ if (!connWrkr->parseState.bzInitDone) {
+ /* allocate deflate state */
+ connWrkr->parseState.zstrm.zalloc = Z_NULL;
+ connWrkr->parseState.zstrm.zfree = Z_NULL;
+ connWrkr->parseState.zstrm.opaque = Z_NULL;
+ int rc = inflateInit2(&connWrkr->parseState.zstrm, (MAX_WBITS | 16));
+ if (rc != Z_OK) {
+ dbgprintf("imhttp: error %d returned from zlib/inflateInit()\n", rc);
+ ABORT_FINALIZE(RS_RET_ZLIB_ERR);
+ }
+ connWrkr->parseState.bzInitDone = 1;
+ }
+
+ connWrkr->parseState.zstrm.next_in = (Bytef*) buf;
+ connWrkr->parseState.zstrm.avail_in = len;
+ /* run inflate() on buffer until everything has been uncompressed */
+ int outtotal = 0;
+ do {
+ int zRet = 0;
+ int outavail = 0;
+ dbgprintf("imhttp: in inflate() loop, avail_in %d, total_in %ld\n",
+ connWrkr->parseState.zstrm.avail_in, connWrkr->parseState.zstrm.total_in);
+
+ connWrkr->parseState.zstrm.avail_out = sizeof(connWrkr->zipBuf);
+ connWrkr->parseState.zstrm.next_out = connWrkr->zipBuf;
+ zRet = inflate(&connWrkr->parseState.zstrm, Z_SYNC_FLUSH);
+ dbgprintf("imhttp: inflate(), ret: %d, avail_out: %d\n", zRet, connWrkr->parseState.zstrm.avail_out);
+ outavail = sizeof(connWrkr->zipBuf) - connWrkr->parseState.zstrm.avail_out;
+ if (outavail != 0) {
+ outtotal += outavail;
+ CHKiRet(processDataUncompressed(inst, connWrkr, (const char*)connWrkr->zipBuf, outavail));
+ }
+ } while (connWrkr->parseState.zstrm.avail_out == 0);
+
+ dbgprintf("imhttp: processDataCompressed complete, sizes: in %lld, out %llu\n", (long long) len,
+ (long long unsigned) outtotal);
+
+finalize_it:
+ RETiRet;
+}
+
+static rsRetVal
+processData(const instanceConf_t *const inst,
+ struct conn_wrkr_s *connWrkr, const char* buf, size_t len)
+{
+ DEFiRet;
+
+ //inst->bDisableLFDelim = 0;
+ if (connWrkr->parseState.content_compressed) {
+ iRet = processDataCompressed(inst, connWrkr, buf, len);
+ } else {
+ iRet = processDataUncompressed(inst, connWrkr, buf, len);
+ }
+
+ RETiRet;
+}
+
+/* Return 1 on success. Always initializes the auth structure. */
+static int
+parse_auth_header(struct mg_connection *conn, struct auth_s *auth)
+{
+ if (!auth || !conn) {
+ return 0;
+ }
+
+ const char *auth_header = NULL;
+ if (((auth_header = mg_get_header(conn, "Authorization")) == NULL) ||
+ strncasecmp(auth_header, "Basic ", 6) != 0) {
+ return 0;
+ }
+
+ /* Parse authorization header */
+ const char* src = auth_header + 6;
+ size_t len = apr_base64_decode_len((const char*)src);
+ auth->pworkbuf = auth->workbuf;
+ if (len > sizeof(auth->workbuf)) {
+ auth->pworkbuf = calloc(0, len);
+ auth->workbuf_len = len;
+ }
+ len = apr_base64_decode(auth->pworkbuf, src);
+ if (len == 0) {
+ return 0;
+ }
+
+ char *passwd = NULL, *saveptr = NULL;
+ char *user = strtok_r(auth->pworkbuf, ":", &saveptr);
+ if (user) {
+ passwd = strtok_r(NULL, ":", &saveptr);
+ }
+
+ auth->pszUser = user;
+ auth->pszPasswd = passwd;
+
+ return 1;
+}
+
+static int
+read_auth_file(FILE* filep, struct auth_s *auth)
+{
+ if (!filep) {
+ return 0;
+ }
+ char workbuf[IMHTTP_MAX_BUF_LEN];
+ size_t l = 0;
+ char* user;
+ char* passwd;
+
+ while (fgets(workbuf, sizeof(workbuf), filep)) {
+ l = strnlen(workbuf, sizeof(workbuf));
+ while (l > 0) {
+ if (isspace(workbuf[l-1]) || iscntrl(workbuf[l-1])) {
+ l--;
+ workbuf[l] = 0;
+ } else {
+ break;
+ }
+ }
+
+ if (l < 1) {
+ continue;
+ }
+
+ if (workbuf[0] == '#') {
+ continue;
+ }
+
+ user = workbuf;
+ passwd = strchr(workbuf, ':');
+ if (!passwd) {
+ continue;
+ }
+ *passwd = '\0';
+ passwd++;
+
+ if (!strcasecmp(auth->pszUser, user)) {
+ return (apr_password_validate(auth->pszPasswd, passwd) == APR_SUCCESS);
+ }
+ }
+ return 0;
+}
+
+/* Authorize against the opened passwords file. Return 1 if authorized. */
+static int
+authorize(struct mg_connection* conn, FILE* filep)
+{
+ if (!conn || !filep) {
+ return 0;
+ }
+
+ struct auth_s auth = { .workbuf_len=0, .pworkbuf=NULL, .pszUser=NULL, .pszPasswd=NULL};
+ if (!parse_auth_header(conn, &auth)) {
+ return 0;
+ }
+
+ /* validate against htpasswd file */
+ return read_auth_file(filep, &auth);
+}
+
+/* Provides Basic Authorization handling that validates against a 'htpasswd' file.
+ see also: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Authorization
+*/
+static int
+basicAuthHandler(struct mg_connection *conn, void *cbdata)
+{
+ const instanceConf_t* inst = (const instanceConf_t*) cbdata;
+ char errStr[512];
+ FILE *fp = NULL;
+ int ret = 1;
+
+ if (!inst->pszBasicAuthFile) {
+ mg_cry(conn, "warning: 'BasicAuthFile' not configured.\n");
+ ret = 0;
+ goto finalize;
+ }
+
+ fp = fopen((const char *)inst->pszBasicAuthFile, "r");
+ if (fp == NULL) {
+ if (strerror_r(errno, errStr, sizeof(errStr)) == 0) {
+ mg_cry(conn,
+ "error: 'BasicAuthFile' file '%s' could not be accessed: %s\n",
+ inst->pszBasicAuthFile, errStr);
+ } else {
+ mg_cry(conn,
+ "error: 'BasicAuthFile' file '%s' could not be accessed: %d\n",
+ inst->pszBasicAuthFile, errno);
+ }
+ ret = 0;
+ goto finalize;
+ }
+
+ ret = authorize(conn, fp);
+
+finalize:
+ if (!ret) {
+ mg_send_http_error(conn, 401, "WWW-Authenticate: Basic realm=\"User Visible Realm\"\n");
+ }
+ if (fp ) {
+ fclose(fp);
+ }
+ return ret;
+}
+
+/* cbdata should actually contain instance data and we can actually use this instance data
+ * to hold reusable scratch buffer.
+ */
+static int
+postHandler(struct mg_connection *conn, void *cbdata)
+{
+ int rc = 1;
+ instanceConf_t* inst = (instanceConf_t*) cbdata;
+ const struct mg_request_info *ri = mg_get_request_info(conn);
+ struct conn_wrkr_s *connWrkr = mg_get_thread_pointer(conn);
+ connWrkr->multiSub.nElem = 0;
+ memset(&connWrkr->parseState, 0, sizeof(connWrkr->parseState));
+ connWrkr->pri = ri;
+
+ if (inst->bAddMetadata && connWrkr->scratchBufSize == 0) {
+ connWrkr->pScratchBuf = calloc(1, INIT_SCRATCH_BUF_SIZE);
+ if (!connWrkr->pScratchBuf) {
+ mg_cry(conn, "%s() - could not alloc scratch buffer!\n", __FUNCTION__);
+ rc = 500;
+ FINALIZE;
+ }
+ connWrkr->scratchBufSize = INIT_SCRATCH_BUF_SIZE;
+ }
+
+ if (0 != strcmp(ri->request_method, "POST")) {
+ /* Not a POST request */
+ int ret = mg_get_request_link(conn, connWrkr->pReadBuf, connWrkr->readBufSize);
+ mg_printf(conn,
+ "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\n");
+ mg_printf(conn, "Content-Type: text/plain\r\n\r\n");
+ mg_printf(conn,
+ "%s method not allowed in the POST handler\n",
+ ri->request_method);
+ if (ret >= 0) {
+ mg_printf(conn,
+ "use a web tool to send a POST request to %s\n",
+ connWrkr->pReadBuf);
+ }
+ STATSCOUNTER_INC(statsCounter.ctrFailed, statsCounter.mutCtrFailed);
+ rc = 405;
+ FINALIZE;
+ }
+
+ if (ri->remote_addr[0] != '\0') {
+ size_t len = strnlen(ri->remote_addr, sizeof(ri->remote_addr));
+ prop.CreateOrReuseStringProp(&connWrkr->propRemoteAddr, (const uchar*)ri->remote_addr, len);
+ }
+
+ if (ri->content_length >= 0) {
+ /* We know the content length in advance */
+ if (ri->content_length > (long long) connWrkr->readBufSize) {
+ connWrkr->pReadBuf = realloc(connWrkr->pReadBuf, ri->content_length+1);
+ if (!connWrkr->pReadBuf) {
+ mg_cry(conn, "%s() - realloc failed!\n", __FUNCTION__);
+ FINALIZE;
+ }
+ connWrkr->readBufSize = ri->content_length+1;
+ }
+ } else {
+ /* We must read until we find the end (chunked encoding
+ * or connection close), indicated my mg_read returning 0 */
+ }
+
+ if (ri->num_headers > 0) {
+ int i;
+ for (i = 0; i < ri->num_headers; i++) {
+ if (!strcasecmp(ri->http_headers[i].name, "content-encoding") &&
+ !strcasecmp(ri->http_headers[i].value, "gzip")) {
+ connWrkr->parseState.content_compressed = 1;
+ }
+ }
+ }
+
+ while (1) {
+ int count = mg_read(conn, connWrkr->pReadBuf, connWrkr->readBufSize);
+ if (count > 0) {
+ processData(inst, connWrkr, (const char*)connWrkr->pReadBuf, count);
+ } else {
+ break;
+ }
+ }
+
+ /* submit remainder */
+ doSubmitMsg(inst, connWrkr, connWrkr->pMsg, connWrkr->iMsg);
+ multiSubmitFlush(&connWrkr->multiSub);
+
+ mg_send_http_ok(conn, "text/plain", 0);
+ rc = 200;
+
+finalize_it:
+ if (connWrkr->parseState.bzInitDone) {
+ inflateEnd(&connWrkr->parseState.zstrm);
+ }
+ /* reset */
+ connWrkr->iMsg = 0;
+
+ return rc;
+}
+
+static int runloop(void)
+{
+ dbgprintf("imhttp started.\n");
+
+ /* Add handler for form data */
+ for(instanceConf_t *inst = runModConf->root ; inst != NULL ; inst = inst->next) {
+ assert(inst->pszEndpoint);
+ if (inst->pszEndpoint) {
+ dbgprintf("setting request handler: '%s'\n", inst->pszEndpoint);
+ mg_set_request_handler(s_httpserv->ctx, (char *)inst->pszEndpoint, postHandler, inst);
+ if (inst->pszBasicAuthFile) {
+ mg_set_auth_handler(s_httpserv->ctx, (char *)inst->pszEndpoint, basicAuthHandler, inst);
+ }
+ }
+ }
+
+ /* Wait until the server should be closed */
+ while(glbl.GetGlobalInputTermState() == 0) {
+ sleep(1);
+ }
+ return EXIT_SUCCESS;
+}
+
+BEGINnewInpInst
+ struct cnfparamvals *pvals;
+ instanceConf_t *inst;
+ int i;
+CODESTARTnewInpInst
+ DBGPRINTF("newInpInst (imhttp)\n");
+ pvals = nvlstGetParams(lst, &inppblk, NULL);
+ if(pvals == NULL) {
+ LogError(0, RS_RET_MISSING_CNFPARAMS,
+ "imhttp: required parameter are missing\n");
+ ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+ }
+
+ if(Debug) {
+ dbgprintf("input param blk in imtcp:\n");
+ cnfparamsPrint(&inppblk, pvals);
+ }
+
+ CHKiRet(createInstance(&inst));
+
+ for(i = 0 ; i < inppblk.nParams ; ++i) {
+ if(!pvals[i].bUsed)
+ continue;
+ if(!strcmp(inppblk.descr[i].name, "endpoint")) {
+ inst->pszEndpoint = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(inppblk.descr[i].name, "basicauthfile")) {
+ inst->pszBasicAuthFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(inppblk.descr[i].name, "ruleset")) {
+ inst->pszBindRuleset = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(inppblk.descr[i].name, "name")) {
+ inst->pszInputName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(inppblk.descr[i].name, "ratelimit.burst")) {
+ inst->ratelimitBurst = (unsigned int) pvals[i].val.d.n;
+ } else if(!strcmp(inppblk.descr[i].name, "ratelimit.interval")) {
+ inst->ratelimitInterval = (unsigned int) pvals[i].val.d.n;
+ } else if(!strcmp(inppblk.descr[i].name, "flowcontrol")) {
+ inst->flowControl = (int) pvals[i].val.d.n;
+ } else if(!strcmp(inppblk.descr[i].name, "disablelfdelimiter")) {
+ inst->bDisableLFDelim = (int) pvals[i].val.d.n;
+ } else if (!strcmp(inppblk.descr[i].name, "supportoctetcountedframing")) {
+ inst->bSuppOctetFram = (int) pvals[i].val.d.n;
+ } else if (!strcmp(inppblk.descr[i].name, "addmetadata")) {
+ inst->bAddMetadata = (int) pvals[i].val.d.n;
+ } else {
+ dbgprintf("imhttp: program error, non-handled "
+ "param '%s'\n", inppblk.descr[i].name);
+ }
+ }
+
+ if (inst->pszInputName) {
+ CHKiRet(prop.Construct(&inst->pInputName));
+ CHKiRet(prop.SetString(inst->pInputName, inst->pszInputName, ustrlen(inst->pszInputName)));
+ CHKiRet(prop.ConstructFinalize(inst->pInputName));
+ }
+ CHKiRet(ratelimitNew(&inst->ratelimiter, "imphttp", NULL));
+ ratelimitSetLinuxLike(inst->ratelimiter, inst->ratelimitInterval, inst->ratelimitBurst);
+
+finalize_it:
+CODE_STD_FINALIZERnewInpInst
+ cnfparamvalsDestruct(pvals, &inppblk);
+ENDnewInpInst
+
+
+BEGINbeginCnfLoad
+CODESTARTbeginCnfLoad
+ loadModConf = pModConf;
+ pModConf->pConf = pConf;
+ loadModConf->ports.name = NULL;
+ loadModConf->docroot.name = NULL;
+ loadModConf->nOptions = 0;
+ loadModConf->options = NULL;
+ENDbeginCnfLoad
+
+
+BEGINsetModCnf
+ struct cnfparamvals *pvals = NULL;
+CODESTARTsetModCnf
+ pvals = nvlstGetParams(lst, &modpblk, NULL);
+ if(pvals == NULL) {
+ LogError(0, RS_RET_MISSING_CNFPARAMS, "imhttp: error processing module "
+ "config parameters [module(...)]");
+ ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+ }
+
+ if(Debug) {
+ dbgprintf("module (global) param blk for imhttp:\n");
+ cnfparamsPrint(&modpblk, pvals);
+ }
+
+ for(int i = 0 ; i < modpblk.nParams ; ++i) {
+ if(!pvals[i].bUsed)
+ continue;
+ if(!strcmp(modpblk.descr[i].name, "ports")) {
+ assert(loadModConf->ports.name == NULL);
+ assert(loadModConf->ports.val == NULL);
+ loadModConf->ports.name = strdup(CIVETWEB_OPTION_NAME_PORTS);
+ loadModConf->ports.val = es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if (!strcmp(modpblk.descr[i].name, "documentroot")) {
+ assert(loadModConf->docroot.name == NULL);
+ assert(loadModConf->docroot.val == NULL);
+ loadModConf->docroot.name = strdup(CIVETWEB_OPTION_NAME_DOCUMENT_ROOT);
+ loadModConf->docroot.val = es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(modpblk.descr[i].name, "liboptions")) {
+ loadModConf->nOptions = pvals[i].val.d.ar->nmemb;
+ CHKmalloc(loadModConf->options = malloc(sizeof(struct option) *
+ 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(processCivetwebOptions(cstr, &loadModConf->options[j].name,
+ &loadModConf->options[j].val));
+ free(cstr);
+ }
+ } else {
+ dbgprintf("imhttp: program error, non-handled "
+ "param '%s' in beginCnfLoad\n", modpblk.descr[i].name);
+ }
+ }
+
+finalize_it:
+ if(pvals != NULL)
+ cnfparamvalsDestruct(pvals, &modpblk);
+ENDsetModCnf
+
+
+BEGINendCnfLoad
+CODESTARTendCnfLoad
+ loadModConf = NULL; /* done loading */
+ENDendCnfLoad
+
+/* function to generate error message if framework does not find requested ruleset */
+static inline void
+std_checkRuleset_genErrMsg(__attribute__((unused)) modConfData_t *modConf, instanceConf_t *inst)
+{
+ LogError(0, NO_ERRCODE, "imhttp: ruleset '%s' for %s not found - "
+ "using default ruleset instead", inst->pszBindRuleset,
+ inst->pszEndpoint);
+}
+
+BEGINcheckCnf
+ instanceConf_t *inst;
+CODESTARTcheckCnf
+ for(inst = pModConf->root ; inst != NULL ; inst = inst->next) {
+ std_checkRuleset(pModConf, inst);
+ }
+ /* verify civetweb options are valid */
+ const struct mg_option *valid_opts = mg_get_valid_options();
+ for (int i = 0; i < pModConf->nOptions; ++i) {
+ if (!valid_civetweb_option(valid_opts, pModConf->options[i].name)) {
+ LogError(0, RS_RET_CONF_PARSE_WARNING, "imhttp: module loaded, but "
+ "invalid civetweb option found - imhttp may not receive connections.");
+ iRet = RS_RET_CONF_PARSE_WARNING;
+ }
+ }
+ENDcheckCnf
+
+
+BEGINactivateCnf
+CODESTARTactivateCnf
+ runModConf = pModConf;
+
+ if (!s_httpserv) {
+ CHKmalloc(s_httpserv = calloc(1, sizeof(httpserv_t)));
+ }
+ /* options represents (key, value) so allocate 2x, and null terminated */
+ size_t count = 1;
+ if (runModConf->ports.val) {
+ count += 2;
+ }
+ if (runModConf->docroot.val) {
+ count += 2;
+ }
+ count += (2 * runModConf->nOptions);
+ CHKmalloc(s_httpserv->civetweb_options = calloc(count, sizeof(*s_httpserv->civetweb_options)));
+
+ const char **pcivetweb_options = s_httpserv->civetweb_options;
+ if (runModConf->nOptions) {
+ s_httpserv->civetweb_options_count = count;
+ for (int i = 0; i < runModConf->nOptions; ++i) {
+ *pcivetweb_options = runModConf->options[i].name;
+ pcivetweb_options++;
+ *pcivetweb_options = runModConf->options[i].val;
+ pcivetweb_options++;
+ }
+ }
+ /* append port, docroot */
+ if (runModConf->ports.val) {
+ *pcivetweb_options = runModConf->ports.name;
+ pcivetweb_options++;
+ *pcivetweb_options = runModConf->ports.val;
+ pcivetweb_options++;
+ }
+ if (runModConf->docroot.val) {
+ *pcivetweb_options = runModConf->docroot.name;
+ pcivetweb_options++;
+ *pcivetweb_options = runModConf->docroot.val;
+ pcivetweb_options++;
+ }
+
+ const char **option = s_httpserv->civetweb_options;
+ for (; option && *option != NULL; option++) {
+ dbgprintf("imhttp: civetweb option: %s\n", *option);
+ }
+
+ CHKiRet(statsobj.Construct(&statsCounter.stats));
+ CHKiRet(statsobj.SetName(statsCounter.stats, UCHAR_CONSTANT("imhttp")));
+ CHKiRet(statsobj.SetOrigin(statsCounter.stats, UCHAR_CONSTANT("imhttp")));
+ STATSCOUNTER_INIT(statsCounter.ctrSubmitted, statsCounter.mutCtrSubmitted);
+ CHKiRet(statsobj.AddCounter(statsCounter.stats, UCHAR_CONSTANT("submitted"),
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &(statsCounter.ctrSubmitted)));
+
+ STATSCOUNTER_INIT(statsCounter.ctrFailed, statsCounter.mutCtrFailed);
+ CHKiRet(statsobj.AddCounter(statsCounter.stats, UCHAR_CONSTANT("failed"),
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &(statsCounter.ctrFailed)));
+
+ STATSCOUNTER_INIT(statsCounter.ctrDiscarded, statsCounter.mutCtrDiscarded);
+ CHKiRet(statsobj.AddCounter(statsCounter.stats, UCHAR_CONSTANT("discarded"),
+ ctrType_IntCtr, CTR_FLAG_RESETTABLE, &(statsCounter.ctrDiscarded)));
+
+ CHKiRet(statsobj.ConstructFinalize(statsCounter.stats));
+
+ /* init civetweb libs and start server w/no input */
+ mg_init_library(MG_FEATURES_TLS);
+ memset(&callbacks, 0, sizeof(callbacks));
+ //callbacks.log_message = log_message;
+ //callbacks.init_ssl = init_ssl;
+ callbacks.init_thread = init_thread;
+ callbacks.exit_thread = exit_thread;
+ s_httpserv->ctx = mg_start(&callbacks, NULL, s_httpserv->civetweb_options);
+ /* Check return value: */
+ if (s_httpserv->ctx == NULL) {
+ LogError(0, RS_RET_INTERNAL_ERROR, "Cannot start CivetWeb - mg_start failed.\n");
+ ABORT_FINALIZE(RS_RET_INTERNAL_ERROR);
+ }
+
+ finalize_it:
+ if (iRet != RS_RET_OK) {
+ free(s_httpserv);
+ s_httpserv = NULL;
+ LogError(0, NO_ERRCODE, "imhttp: error %d trying to activate configuration", iRet);
+ }
+ RETiRet;
+ENDactivateCnf
+
+BEGINfreeCnf
+ instanceConf_t *inst, *del;
+CODESTARTfreeCnf
+ for(inst = pModConf->root ; inst != NULL ; ) {
+ if (inst->ratelimiter) {
+ ratelimitDestruct(inst->ratelimiter);
+ }
+ if (inst->pInputName) {
+ prop.Destruct(&inst->pInputName);
+ }
+ free(inst->pszEndpoint);
+ free(inst->pszBasicAuthFile);
+ free(inst->pszBindRuleset);
+ free(inst->pszInputName);
+
+ del = inst;
+ inst = inst->next;
+ free(del);
+ }
+
+ for (int i = 0; i < pModConf->nOptions; ++i) {
+ free((void*) pModConf->options[i].name);
+ free((void*) pModConf->options[i].val);
+ }
+ free(pModConf->options);
+
+ free((void*)pModConf->ports.name);
+ free((void*)pModConf->ports.val);
+ free((void*)pModConf->docroot.name);
+ free((void*)pModConf->docroot.val);
+
+ if (statsCounter.stats) {
+ statsobj.Destruct(&statsCounter.stats);
+ }
+ENDfreeCnf
+
+
+/* This function is called to gather input.
+ */
+BEGINrunInput
+CODESTARTrunInput
+ runloop();
+ENDrunInput
+
+/* initialize and return if will run or not */
+BEGINwillRun
+CODESTARTwillRun
+ENDwillRun
+
+BEGINafterRun
+CODESTARTafterRun
+ if (s_httpserv) {
+ mg_stop(s_httpserv->ctx);
+ mg_exit_library();
+ free(s_httpserv->civetweb_options);
+ free(s_httpserv);
+ }
+ENDafterRun
+
+
+BEGINisCompatibleWithFeature
+CODESTARTisCompatibleWithFeature
+ // if(eFeat == sFEATURENonCancelInputTermination)
+ // iRet = RS_RET_OK;
+ENDisCompatibleWithFeature
+
+
+BEGINmodExit
+CODESTARTmodExit
+ if(pInputName != NULL) {
+ prop.Destruct(&pInputName);
+ }
+
+ /* release objects we used */
+ objRelease(statsobj, CORE_COMPONENT);
+ objRelease(glbl, CORE_COMPONENT);
+ objRelease(prop, CORE_COMPONENT);
+ objRelease(ruleset, CORE_COMPONENT);
+ENDmodExit
+
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+CODEqueryEtryPt_STD_IMOD_QUERIES
+CODEqueryEtryPt_STD_CONF2_QUERIES
+CODEqueryEtryPt_STD_CONF2_setModCnf_QUERIES
+CODEqueryEtryPt_STD_CONF2_IMOD_QUERIES
+CODEqueryEtryPt_IsCompatibleWithFeature_IF_OMOD_QUERIES
+ENDqueryEtryPt
+
+
+BEGINmodInit()
+CODESTARTmodInit
+ *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
+CODEmodInit_QueryRegCFSLineHdlr
+ CHKiRet(objUse(ruleset, CORE_COMPONENT));
+ CHKiRet(objUse(glbl, CORE_COMPONENT));
+ CHKiRet(objUse(prop, CORE_COMPONENT));
+ CHKiRet(objUse(statsobj, CORE_COMPONENT));
+
+ /* we need to create the inputName property (only once during our lifetime) */
+ CHKiRet(prop.Construct(&pInputName));
+ CHKiRet(prop.SetString(pInputName, UCHAR_CONSTANT("imhttp"), sizeof("imhttp") - 1));
+ CHKiRet(prop.ConstructFinalize(pInputName));
+ENDmodInit