Package: smokeping Version: 2.6.11-5 Severity: important Hi -
It appears that as of 3.16, FPing is no longer a multi-call binary and /usr/bin/fping and /usr/bin/fping6 act the same. This ultimately prevents the FPing probe from working properly because if a target with both A & AAAA records is used, FPing prefers the AAAA record and initiates a ping using IPv6 and not IPv4, which is not the intention. The FPing probe does not support an address-family option to pass -4 or -6 to the FPing binary so there is no way to force IPv4 name resolution. As a result, there is no way of adding dual-stack targets to be probed over IPv4. A standard Probes file looks like this: *** Probes *** + FPing binary = /usr/bin/fping + FPing6 binary = /usr/bin/fping6 FPing installs like this: -rwxr-xr-x 1 root root 43904 Jan 2 2018 /usr/bin/fping lrwxrwxrwx 1 root root 5 Jan 2 2018 /usr/bin/fping6 -> fping However, the behavior of both fping and fping6 calls to the fping binary result in the same type of address family support: (atlantis:17:42:PDT)% fping 1.1.1.1 1.1.1.1 is alive (atlantis:17:42:PDT)% fping6 1.1.1.1 1.1.1.1 is alive (atlantis:17:42:PDT)% fping ipv6.google.com. ipv6.google.com. is alive (atlantis:17:42:PDT)% fping6 ipv6.google.com. ipv6.google.com. is alive atlantis:17:42:PDT)% fping 2600:: 2600:: is alive SmokePing expects that fping6 should reject the 1.1.1.1 IPv4 address and fping should reject the 2600:: address. When resolving DNS, SmokePing expects fping to look up an A record only and fping6 should look up an AAAA record only. This is probably not a FPing bug because the project has correctly decided to support IPv4 and IPv6 transparently and provide the -4 and -6 options if forcing an address family is required: https://github.com/schweikert/fping/issues/80 However, SmokePing needs to be updated to use -4 and -6 switches for FPing and FPing6 probes, respectively, hence this bug report. - Mark -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 4.17.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Init: systemd (via /run/systemd/system) Versions of packages smokeping depends on: ii adduser 3.117 ii debianutils 4.8.6 ii exim4-daemon-light [mail-transport-agent] 4.91-6 ii fping 4.0-6 ii libcgi-fast-perl 1:2.13-1 ii libconfig-grammar-perl 1.12-2 ii libdigest-hmac-perl 1.03+dfsg-2 ii libjs-cropper 1.2.2-1 ii libjs-prototype 1.7.1-3 ii libjs-scriptaculous 1.9.0-2 ii librrds-perl 1.7.0-1+b2 ii libsnmp-session-perl 1.14~git20130523.186a005-3 ii liburi-perl 1.74-1 ii libwww-perl 6.35-2 ii lsb-base 9.20170808 ii perl 5.26.2-6 ii ucf 3.0038 Versions of packages smokeping recommends: ii apache2 [httpd-cgi] 2.4.34-1 ii dnsutils 1:9.11.4+dfsg-4 pn echoping <none> ii libsocket6-perl 0.28-1 Versions of packages smokeping suggests: pn curl <none> ii exim4 4.91-6 ii exim4-daemon-light [mail-transport-agent] 4.91-6 pn libauthen-radius-perl <none> ii libio-socket-ssl-perl 2.058-1 pn libnet-dns-perl <none> pn libnet-ldap-perl <none> pn libnet-telnet-perl <none> ii openssh-client 1:7.7p1-3 -- Configuration Files: /etc/apache2/conf-available/smokeping.conf changed [not included] /etc/smokeping/config.d/General changed [not included] /etc/smokeping/config.d/Probes changed [not included] /etc/smokeping/config.d/Targets changed [not included] /etc/smokeping/smokeping_secrets [Errno 13] Permission denied: '/etc/smokeping/smokeping_secrets' -- no debconf information
