Change Log

All notable changes to the project are documented in this file.

v2.1 - 2023-06-03

Changes

Add support for JSON output with ssdpd-scan -j, issue #17
Dump received data from devices in ssdp-scan -l debug
Termios support for disabling ^C output from ssdp-scan
Update copyright years, LICENSE file hash change
Source /etc/default/ssdpd from systemd unit file

Fixes

Fix #15: add fallback to /var/lib/ssdpd/uuid.cache
Fix #16: truncated UUID when reading from cache file

v2.0 - 2023-02-19

The drop privs release.

Changes

Add support for -c NAME to override ssdpd UUID cache file
Add support for -d URL to override the UPnP description URL, a single %s is supported to be replaced with the interface address
Add support for -m NAME to override the manufacturer in the default description.xml
Add support for -M URL to override the manufacturerURL in the default description.xml
Add support for -p URL to override the presentationURL in the default description.xml, a single %s is supported
Add support for -P FILE to override the default PID file location default description.xml, a single %s is supported
Add support for -u UUID to use a custom UUID, useful when the built-in micro HTTP server is disabled
Add support for -w to disable built-in micro HTTP server, useful when other, more capable, web servers are available. Make sure to have the alternate web server running on port 1901 to serve the file /description.xml, see also -d URL above, which details the location of the UPnP description URL
Increased debug messages in ssdp_init(), for troubleshooting
Add support for dropping root privileges after initial setup. The used ssdp is searched for first, with fallback to nobody
Add support for an initial retry interval at startup, in case ssdpd is started before any interface has been configured. Configurable retry count using -R NUM command line option
Add support for an IP address monitor using Linux netlink interfaces coming and going at runtime. Meaning, -R NUM is unused on Linux. For this to work, ssdpd must start as root or have CAP_NET_RAW

Fixes

Fix #11: periodic busy loop causing intermittent 100% CPU load
Fix invalid <UDN>uuid:uuid:...</UDN> in description.xml
Add Date: and Server: to HTTP header in micro HTTP server
Add support for HTTP HEAD requests to micro HTTP server
Handle case when /etc/os-release does not have VERSION_ID fall back to use VERSION_CODENAME
Don't overwrite CPPFLAGS from the command line
Portability fix to utimensat() replacement function

v1.9 - 2022-10-30

The Dennis Ritchie release.

Changes

Add command line options to sscp-scan, mostly for testing but may be useful for other purposes too
Use $ac_default_prefix instead of /usr/local in configure script when expanding paths
Update copyright years (affects LICENSE file hash)
Add ChangeLog to project
Drop Travis-CI in favor of GitHub Actions

Fixes

Fix #6: workaround for OpenVPN /32 default server setup
Fix #9: time-of-check vs time-of-use issue with caching of UUID, found by Coverity Scan, fixed by Raul Porancea
Fix #10: basic instructions for building and starting the daemon

v1.8 - 2021-01-23

Changes

Use UUID cache directory from configure script, with fall-back to operating system specific /var/lib/misc or /var/db
Update man page with info on UUID cache location
Add missing systemd unit file
Add missing SysV init script

Fixes

Fix avahi-daemon (mDNS) conflict, no conflict with SSDP, caused by copy-paste between mdnsd and project and this
Fix default install prefix, should be GNU /usr/local not /. The default for Debian systems is /usr
Workaround for --runstatedir on systems with older autoconf

v1.7 - 2020-06-07

Changes

Use /etc/os-release as base for SSDP server string, distribution release information is primarily stored in this file, some Linux systems still use /etc/lsb-release, on real UNIX systems we can use uname(1)
Update ssdpd(8) man page

Fixes

N/A

v1.6 - 2020-06-07

Changes

Refactor socket handling, enable SO_REUSEADDR + SO_REUSEPORT
Change default behavior, must now use -n to run in foreground
Add ssdp-scan tool, similar to mdns-scan
Add systemd unit file
Initial Debian/Ubuntu packaging

Fixes

Fix #1: CVE-2019-14323

v1.5 - 2017-09-23

Changes

New default SSDP notify interval, 300 sec. (Was 600 sec)
Validation of refresh and notify intervals, the notify interval must not be longer than half the cache timeout
- Notify: 30-900 sec
- Refresh: 5-1800 sec

Fixes

Fix regression in v1.3, allow running without interface filtering
The new interface filtering feature of v1.4 managed to filter out all interfaces if none were given on the command line.
Fix CPU overload problem, caused by invalid timer comparison

v1.4 - 2017-05-16

Minor bug fix release.

Fixes

Fix invalid argument to accept() in web server

v1.3 - 2017-05-16

Changes

Massive refactor
Support SSDP per interface and multiple addresses per interface
Use SOCK_DGRAM instead of SOCK_RAW, no longer need to run as root
New refresh timer, runs independently of NOTIFY timer, checks for new addresses

v1.2 - 2017-05-16

Announces itself as an InternetGatewayDevice, works with Windows, serves XML description.

Changes

Optional --with-vendor-url=URL configure option for XML description
Read server string from /etc/lsb-release, if it exists
Save cached version of generated UUID between restarts
Make XML manufacturer and modelName configurable

v1.1 - 2017-05-12

Changes

Generate a proper variant 1, version 4, random session UUID
Send notify only for UUID, rootdevice and IGD
Weirdly enough the UPnP spec. says the TTL should be 2 for multicast
Add UUID to description.xml and remove icon data for now
UPnP spec says to use RFC1123 date, as specified in RFC2616
Use HTTP/1.1 everywhere, clean up XML a bit
max-age 120 --> 1800 and run web server on SSDP port
Add SSDP port to address composition
Add -d to enable debug mode, with syslog support
Add -v to list version and update usage text

Fixes

Fix nasty bug in M-SEARCH reply, missing ST rootdevince in USN
No need to sleep(1) after IGMP join, we can announce w/o it

v1.0 - 2017-05-11

Initial release