diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | runtime/msg.c | 9 | ||||
| -rw-r--r-- | runtime/parser.c | 9 | ||||
| -rw-r--r-- | tests/testsuites/samples.snare_ccoff_udp2 | 18 | ||||
| -rw-r--r-- | tools/syslogd.c | 2 |
5 files changed, 25 insertions, 17 deletions
@@ -1,6 +1,10 @@ - bugfix: testbench failed when not executed in UTC+1 timezone accidently, the time zone information was kept inside some to-be-checked-for responses +- temporary bugfix replaced by permanent one for + message-induced off-by-one error (potential segfault) (see 4.6.2) + The analysis has been completed and a better fix been crafted and + integrated. --------------------------------------------------------------------------- Version 4.6.2 [v4-stable] (rgerhards), 2010-03-26 - new feature: "." action type added to support writing files to relative diff --git a/runtime/msg.c b/runtime/msg.c index 2ce7843a..91057f97 100644 --- a/runtime/msg.c +++ b/runtime/msg.c @@ -2010,6 +2010,8 @@ finalize_it: /* set raw message in message object. Size of message is provided. + * The function makes sure that the stored rawmsg is properly + * terminated by '\0'. * rgerhards, 2009-06-16 */ void MsgSetRawMsg(msg_t *pThis, char* pszRawMsg, size_t lenMsg) @@ -2319,13 +2321,6 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe, *pPropLen = sizeof("**INVALID PROPERTY NAME**") - 1; return UCHAR_CONSTANT("**INVALID PROPERTY NAME**"); } - /* the following line fixes the symptom, but not the root cause -- at least MSG sometimes - * returns a size of one too less. To prevent all troubles, we recalculate the sizes based - * on what we actually got. TODO: remove once root cause is found. - * rgerhards, 2010-03-23 - */ - bufLen = ustrlen(pRes); - /* If we did not receive a template pointer, we are already done... */ if(pTpe == NULL) { diff --git a/runtime/parser.c b/runtime/parser.c index 466066e7..36e88ebd 100644 --- a/runtime/parser.c +++ b/runtime/parser.c @@ -176,7 +176,10 @@ sanitizeMessage(msg_t *pMsg) pszMsg = pMsg->pszRawMsg; lenMsg = pMsg->iLenRawMsg; - /* remove NUL character at end of message (see comment in function header) */ + /* remove NUL character at end of message (see comment in function header) + * Note that we do not need to add a NUL character in this case, because it + * is already present ;) + */ if(pszMsg[lenMsg-1] == '\0') { DBGPRINTF("dropped NUL at very end of message\n"); bUpdatedLen = TRUE; @@ -190,8 +193,9 @@ sanitizeMessage(msg_t *pMsg) */ if(bDropTrailingLF && pszMsg[lenMsg-1] == '\n') { DBGPRINTF("dropped LF at very end of message (DropTrailingLF is set)\n"); - bUpdatedLen = TRUE; lenMsg--; + pszMsg[lenMsg] = '\0'; + bUpdatedLen = TRUE; } /* it is much quicker to sweep over the message and see if it actually @@ -245,6 +249,7 @@ sanitizeMessage(msg_t *pMsg) } ++iSrc; } + pDst[iDst] = '\0'; MsgSetRawMsg(pMsg, (char*)pDst, iDst); /* save sanitized string */ diff --git a/tests/testsuites/samples.snare_ccoff_udp2 b/tests/testsuites/samples.snare_ccoff_udp2 index 7837b820..337cd97c 100644 --- a/tests/testsuites/samples.snare_ccoff_udp2 +++ b/tests/testsuites/samples.snare_ccoff_udp2 @@ -9,14 +9,18 @@ # to be adapted. We do NOT try to preserve misbehaviour on such seriously malformed # messages. # +# this is a very simple test, though not snare-based +test +insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values ('', 1, 'test',5, '20100321185328', '20100321185328', 1, '') +# and yet another one we have seen in practice +UX=Abcd-efg-hij-klmno; XXXXX=1111111111, Z123=192.12.231.245:11111, S1234=123456789, XXXXXX=111111111 +insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' XXXXX=1111111111, Z123=192.12.231.245:11111, S1234=123456789, XXXXXX=111111111', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'UX=Abcd-efg-hij-klmno;') # Sample 1 - note the absence of PRI! windowsserver MSWinEventLog 1 Security 1167 Fri Mar 19 15:33:30 2010 540 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Successful Network Logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Logon Type: 3 Logon Process: Kerberos Authentication Package: Kerberos Workstation Name: Logon GUID: {79b6eb79-7bcc-8a2e-7dad-953c51dc00fd} Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 10.11.11.3 Source Port: 3306 733\n -insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 540 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Successful Network Logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Logon Type: 3 Logon Process: Kerberos Authentication Package: Kerberos Workstation Name: Logon GUID: {79b6eb79-7bcc-8a2e-7dad-953c51dc00fd} Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 10.11.11.3 Source Port: 3306 733 ', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1167 Fri') +insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 540 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Successful Network Logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Logon Type: 3 Logon Process: Kerberos Authentication Package: Kerberos Workstation Name: Logon GUID: {79b6eb79-7bcc-8a2e-7dad-953c51dc00fd} Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 10.11.11.3 Source Port: 3306 733', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1167 Fri') # Sample 2 -# the samples below need to be disabled for the "workaround patch" for the message -# parser to work. They need to be re-enabled once a final solution has been crafted -#windowsserver MSWinEventLog 1 Security 1166 Fri Mar 19 15:33:30 2010 576 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Special privileges assigned to new logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Privileges: SeSecurityPrivilege SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeSystemEnvironmentPrivilege SeLoadDriverPrivilege SeImpersonatePrivilege SeEnableDelegationPrivilege 732\n -#insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 576 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Special privileges assigned to new logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Privileges: SeSecurityPrivilege SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeSystemEnvironmentPrivilege SeLoadDriverPrivilege SeImpersonatePrivilege SeEnableDelegationPrivilege 732', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1166 Fri') +windowsserver MSWinEventLog 1 Security 1166 Fri Mar 19 15:33:30 2010 576 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Special privileges assigned to new logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Privileges: SeSecurityPrivilege SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeSystemEnvironmentPrivilege SeLoadDriverPrivilege SeImpersonatePrivilege SeEnableDelegationPrivilege 732\n +insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 576 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff Special privileges assigned to new logon: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF88396) Privileges: SeSecurityPrivilege SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeSystemEnvironmentPrivilege SeLoadDriverPrivilege SeImpersonatePrivilege SeEnableDelegationPrivilege 732', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1166 Fri') # Sample 3 -#windowsserver MSWinEventLog 1 Security 1165 Fri Mar 19 15:33:30 2010 538 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff User Logoff: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF8830B) Logon Type: 3 731\n -#insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 538 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff User Logoff: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF8830B) Logon Type: 3 731', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1165 Fri') +windowsserver MSWinEventLog 1 Security 1165 Fri Mar 19 15:33:30 2010 538 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff User Logoff: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF8830B) Logon Type: 3 731\n +insert into windows (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values (' Mar 19 15:33:30 2010 538 Security SYSTEM User Success Audit WINDOWSSERVER Logon/Logoff User Logoff: User Name: WINDOWSSERVER$ Domain: DOMX Logon ID: (0x0,0xF8830B) Logon Type: 3 731', 1, 'localhost',5, '20100321185328', '20100321185328', 1, 'windowsserver MSWinEventLog 1 Security 1165 Fri') diff --git a/tools/syslogd.c b/tools/syslogd.c index 64b23566..a03dcf0e 100644 --- a/tools/syslogd.c +++ b/tools/syslogd.c @@ -792,7 +792,7 @@ parseAndSubmitMessage(uchar *hname, uchar *hnameIP, uchar *msg, int len, int fla * (I couldn't do any more smart things anyway...). * rgerhards, 2007-9-20 */ - DBGPRINTF("internal error: iMsg > max msg size in printchopped()\n"); + DBGPRINTF("internal error: iMsg > max msg size in parseAndSubmitMessage()\n"); } FINALIZE; /* in this case, we are done... nothing left we can do */ } |