EIPStackGroup/OpENer

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OpENer is an EtherNet/IP stack for I/O adapter devices. It supports multiple I/O and explicit connections and includes objects and services for making EtherNet/IP-compliant products as defined in the ODVA specification.

Stars: 857
Forks: 314
Open beginner issues: 0
Indexed issues: 81
Avg merge: 18d 2h
Merged PRs (30d): 1

Dominant language: C
License: No license data
Last GitHub push: Sep 4, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Open All

81 open issues indexed

Clean CipDataType enum Open

enhancement

EIPStackGroup/OpENer#62 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Rework NotifyMessageRouter to cope better with services Open

bug enhancement help wanted

EIPStackGroup/OpENer#146 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
g_message_data_reply_buffer buffer overflow Open

bug

EIPStackGroup/OpENer#212 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add CIP Security Object Open

enhancement

EIPStackGroup/OpENer#227 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Endpoint Trust Options Open

enhancement

EIPStackGroup/OpENer#229 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generate default self-signed certificate for commissioning phase Open

enhancement

EIPStackGroup/OpENer#230 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Open TCP socket on port 2221 for class3 and unconnected TLS traffic Open

enhancement

EIPStackGroup/OpENer#231 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Open UDP socket on port 2221 for class 0/1 DTLS traffic Open

enhancement

EIPStackGroup/OpENer#232 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Check/Change so that Forward Open and Forward Close are accessible vis DTLS UDP connections Open

enhancement

EIPStackGroup/OpENer#234 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Make ports setable to be open or closed Open

enhancement

EIPStackGroup/OpENer#235 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
TLS Sequence Rollover Open

enhancement

EIPStackGroup/OpENer#236 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support bundling of class 0/1 connection in one DTLS session Open

enhancement

EIPStackGroup/OpENer#237 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DTLS Sequence Rollover Open

enhancement

EIPStackGroup/OpENer#238 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DTLS timeout Open

enhancement

EIPStackGroup/OpENer#239 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DTLS multicast connections Open

enhancement

EIPStackGroup/OpENer#240 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expose (D)TLS error codes to CIP Open

enhancement

EIPStackGroup/OpENer#241 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CIP Security commissioning Open

enhancement

EIPStackGroup/OpENer#242 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CIP Security support 0 or 1 PSKs with a max length of 128 octets Open

enhancement

EIPStackGroup/OpENer#243 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expose status of pull model in CIP Security object Open

enhancement

EIPStackGroup/OpENer#245 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remove all CIP Security related information on Reset Type 1 Open

enhancement

EIPStackGroup/OpENer#246 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add EtherNet/IP Security Object Open

enhancement

EIPStackGroup/OpENer#247 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Certificate Management Object Open

enhancement

EIPStackGroup/OpENer#248 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Memento needed for Begin_Config service and already opened connections Open

enhancement

EIPStackGroup/OpENer#249 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Check return_value 0 in CPF GenerateEncapulsationHeader Open

enhancement

EIPStackGroup/OpENer#260 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Improve timing behavior Open

enhancement

EIPStackGroup/OpENer#281 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Unused function Open

EIPStackGroup/OpENer#287 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Status of EthernetLink Attributes 4,5,12,13 (Interface and media counters) Open

question

EIPStackGroup/OpENer#311 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Serialization buffers Open

EIPStackGroup/OpENer#356 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Electronic Key is not being verified in UCMM requests Open

bug

EIPStackGroup/OpENer#359 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add Create_CSR service in Certificate Management Object Open

EIPStackGroup/OpENer#412 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Verify_Certificate service in Certificate Management Object Open

EIPStackGroup/OpENer#413 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Object_Cleanup service in Cip Security Object Open

EIPStackGroup/OpENer#414 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Begin_Config and End_Config services in Cip Security Object Open

EIPStackGroup/OpENer#415 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Begin_Config service in Ethernet/IP Security Object Open

EIPStackGroup/OpENer#416 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Apply_Config service in Ethernet/IP Security Object Open

EIPStackGroup/OpENer#417 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Abort_Config service in Ethernet/IP Security Object Open

EIPStackGroup/OpENer#418 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Two or more implicit connections at the same time Open

EIPStackGroup/OpENer#447 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
OpENer/source/src/cip /cipcommon.c link:1407 Open

EIPStackGroup/OpENer#488 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
New stable tag Open

EIPStackGroup/OpENer#491 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Identity Object to Revision 2 Open

EIPStackGroup/OpENer#492 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Upgrade of OpENer Open

EIPStackGroup/OpENer#501 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Multiple warnings on MVSC 2022 Open

EIPStackGroup/OpENer#507 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
QoS Object Behavior Test Error Open

EIPStackGroup/OpENer#510 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Directions for generating documentation are wrong Open

EIPStackGroup/OpENer#512 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
STM32 Cache coherence Open

EIPStackGroup/OpENer#520 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
The error log always appears: too large packet received... Open

EIPStackGroup/OpENer#526 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Should the handle of the current thread be passed in as a parameter here? Open

EIPStackGroup/OpENer#527 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can't build OpENer with AFL Open

bug help wanted

EIPStackGroup/OpENer#530 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Potential NULL Pointer Dereference in OpENer (cipcommon.c) Open

EIPStackGroup/OpENer#531 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Assumes that AF_INET is defined as 2 Open

bug

EIPStackGroup/OpENer#533 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026

EIPStackGroup/OpENer

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