diff options
Diffstat (limited to 'src/resolve')
| -rw-r--r-- | src/resolve/resolve-tool.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/src/resolve/resolve-tool.c b/src/resolve/resolve-tool.c index fdaeb8d926..9bee953839 100644 --- a/src/resolve/resolve-tool.c +++ b/src/resolve/resolve-tool.c @@ -900,6 +900,12 @@ static int reset_statistics(sd_bus *bus) { return 0; } +static void help_protocol_types(void) { + if (arg_legend) + puts("Known protocol types:"); + puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6"); +} + static void help_dns_types(void) { int i; const char *t; @@ -930,22 +936,22 @@ static void help(void) { printf("%s [OPTIONS...] NAME...\n" "%s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n\n" "Resolve domain names, IPv4 and IPv6 addresses, DNS resource records, and services.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " -4 Resolve IPv4 addresses\n" - " -6 Resolve IPv6 addresses\n" - " -i --interface=INTERFACE Look on interface\n" - " -p --protocol=PROTOCOL Look via protocol\n" - " -t --type=TYPE Query RR with DNS type\n" - " -c --class=CLASS Query RR with DNS class\n" - " --service Resolve service (SRV)\n" - " --service-address=BOOL Do [not] resolve address for services\n" - " --service-txt=BOOL Do [not] resolve TXT records for services\n" - " --cname=BOOL Do [not] follow CNAME redirects\n" - " --search=BOOL Do [not] use search domains\n" - " --legend=BOOL Do [not] print column headers and meta information\n" - " --statistics Show resolver statistics\n" - " --reset-statistics Reset resolver statistics\n" + " -h --help Show this help\n" + " --version Show package version\n" + " -4 Resolve IPv4 addresses\n" + " -6 Resolve IPv6 addresses\n" + " -i --interface=INTERFACE Look on interface\n" + " -p --protocol=PROTOCOL|help Look via protocol\n" + " -t --type=TYPE|help Query RR with DNS type\n" + " -c --class=CLASS|help Query RR with DNS class\n" + " --service Resolve service (SRV)\n" + " --service-address=BOOL Do [not] resolve address for services\n" + " --service-txt=BOOL Do [not] resolve TXT records for services\n" + " --cname=BOOL Do [not] follow CNAME redirects\n" + " --search=BOOL Do [not] use search domains\n" + " --legend=BOOL Do [not] print column headers and meta information\n" + " --statistics Show resolver statistics\n" + " --reset-statistics Reset resolver statistics\n" , program_invocation_short_name, program_invocation_short_name); } @@ -1061,7 +1067,10 @@ static int parse_argv(int argc, char *argv[]) { break; case 'p': - if (streq(optarg, "dns")) + if (streq(optarg, "help")) { + help_protocol_types(); + return 0; + } else if (streq(optarg, "dns")) arg_flags |= SD_RESOLVED_DNS; else if (streq(optarg, "llmnr")) arg_flags |= SD_RESOLVED_LLMNR; |