Luiz Angelo Daros de Luca authored
Flags like -a, -d and -s have many overlap effects. This patch restricts the effect of flags to a simple action. New -u (user) flag replaces -a optional argument for running saned as a different user. The code that retrieve the user info and drop privileges migrated to runas_user(). As a side effect, PID file can be created even if getting user info fails. New -l (listen) flag sets run_mode to standalone. New -D (daemonize) flag daemonizes saned after bind. New -o (once) make saned exit after the first client disconnects. Flag -s (syslog) is gone. Previous behavior can be reproduced with '-a -d level -o -f'. New -e (stderr) flag for redirecting output to stderr, instead of syslog. Flag -d (debug) now only sets the debug level and argument is required. Previous behavior can be reproduced with '-a -d level -o -f -e'. The run_mode SANED_RUN_DEBUG and SANED_RUN_ALONE shared most of its code path. With the new flags dealing with their difference, SANED_RUN_DEBUG is gone. Flag '-a' still works as before but it can be replaced by '-l -D -u user'. Current uses of -d (debug) or -s (syslog) will break. Signed-off-by: Luiz Angelo Daros de Luca <firstname.lastname@example.org>5288dd5f
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