diff options
Diffstat (limited to 'src/grp-hostname/hostnamectl/hostnamectl.c')
| -rw-r--r-- | src/grp-hostname/hostnamectl/hostnamectl.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/grp-hostname/hostnamectl/hostnamectl.c b/src/grp-hostname/hostnamectl/hostnamectl.c index c5f702087d..d6da61879b 100644 --- a/src/grp-hostname/hostnamectl/hostnamectl.c +++ b/src/grp-hostname/hostnamectl/hostnamectl.c @@ -251,7 +251,7 @@ static int set_simple_string(sd_bus *bus, const char *method, const char *value) static int set_hostname(sd_bus *bus, char **args, unsigned n) { _cleanup_free_ char *h = NULL; - char *hostname = args[1]; + const char *hostname = args[1]; int r; assert(args); @@ -263,27 +263,29 @@ static int set_hostname(sd_bus *bus, char **args, unsigned n) { if (arg_pretty) { const char *p; - /* If the passed hostname is already valid, then - * assume the user doesn't know anything about pretty - * hostnames, so let's unset the pretty hostname, and - * just set the passed hostname as static/dynamic + /* If the passed hostname is already valid, then assume the user doesn't know anything about pretty + * hostnames, so let's unset the pretty hostname, and just set the passed hostname as static/dynamic * hostname. */ - - if (arg_static && hostname_is_valid(hostname, true)) { - p = ""; - /* maybe get rid of trailing dot */ - hostname = hostname_cleanup(hostname); - } else { - p = h = strdup(hostname); - if (!p) - return log_oom(); - - hostname_cleanup(hostname); - } + if (arg_static && hostname_is_valid(hostname, true)) + p = ""; /* No pretty hostname (as it is redundant), just a static one */ + else + p = hostname; /* Use the passed name as pretty hostname */ r = set_simple_string(bus, "SetPrettyHostname", p); if (r < 0) return r; + + /* Now that we set the pretty hostname, let's clean up the parameter and use that as static + * hostname. If the hostname was already valid as static hostname, this will only chop off the trailing + * dot if there is one. If it was not valid, then it will be made fully valid by truncating, dropping + * multiple dots, and dropping weird chars. Note that we clean the name up only if we also are + * supposed to set the pretty name. If the pretty name is not being set we assume the user knows what + * he does and pass the name as-is. */ + h = strdup(hostname); + if (!h) + return log_oom(); + + hostname = hostname_cleanup(h); /* Use the cleaned up name as static hostname */ } if (arg_static) { |