static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_TAIL,
ARG_NEW_ID128,
ARG_HEADER
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version" , no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "follow", no_argument, NULL, 'f' },
{ "output", required_argument, NULL, 'o' },
{ "all", no_argument, NULL, 'a' },
{ "lines", required_argument, NULL, 'n' },
{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "local", no_argument, NULL, 'l' },
{ "this-boot", no_argument, NULL, 'b' },
{ "directory", required_argument, NULL, 'D' },
{ "header", no_argument, NULL, ARG_HEADER },
{ NULL, 0, NULL, 0 }
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hfo:an:qlbD:", options, NULL)) >= 0) {
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(DISTRIBUTION);
puts(SYSTEMD_FEATURES);
return 0;
case ARG_NO_PAGER:
arg_no_pager = true;
break;
case 'f':
arg_follow = true;
break;
case 'o':
arg_output = output_mode_from_string(optarg);
if (arg_output < 0) {
log_error("Unknown output '%s'.", optarg);
return -EINVAL;
}
break;
case 'a':
arg_show_all = true;
break;
case 'n':
r = safe_atoi(optarg, &arg_lines);
if (r < 0 || arg_lines < 0) {
log_error("Failed to parse lines '%s'", optarg);
return -EINVAL;
}
break;
case ARG_NO_TAIL:
arg_no_tail = true;
break;
case ARG_NEW_ID128:
arg_new_id128 = true;
break;
case 'q':
arg_quiet = true;
break;
case 'l':
arg_local = true;
break;
case 'b':
arg_this_boot = true;
break;
case 'D':
arg_directory = optarg;
break;
case ARG_HEADER:
arg_print_header = true;
break;
case '?':
return -EINVAL;
default:
log_error("Unknown option code %c", c);
return -EINVAL;
}
}
if (arg_follow && !arg_no_tail && arg_lines < 0)
arg_lines = 10;
return 1;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_TAIL,
ARG_NEW_ID128,
ARG_ROOT,
ARG_HEADER,
ARG_FULL,
ARG_SETUP_KEYS,
ARG_INTERVAL,
ARG_VERIFY,
ARG_VERIFY_KEY,
ARG_DISK_USAGE,
ARG_SINCE,
ARG_UNTIL,
ARG_USER_UNIT,
ARG_LIST_CATALOG,
ARG_DUMP_CATALOG,
ARG_UPDATE_CATALOG
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version" , no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "pager-end", no_argument, NULL, 'e' },
{ "follow", no_argument, NULL, 'f' },
{ "output", required_argument, NULL, 'o' },
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, ARG_FULL },
{ "lines", optional_argument, NULL, 'n' },
{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "merge", no_argument, NULL, 'm' },
{ "this-boot", no_argument, NULL, 'b' },
{ "directory", required_argument, NULL, 'D' },
{ "root", required_argument, NULL, ARG_ROOT },
{ "header", no_argument, NULL, ARG_HEADER },
{ "priority", required_argument, NULL, 'p' },
{ "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
{ "interval", required_argument, NULL, ARG_INTERVAL },
{ "verify", no_argument, NULL, ARG_VERIFY },
{ "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
{ "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
{ "cursor", required_argument, NULL, 'c' },
{ "since", required_argument, NULL, ARG_SINCE },
{ "until", required_argument, NULL, ARG_UNTIL },
{ "unit", required_argument, NULL, 'u' },
{ "user-unit", required_argument, NULL, ARG_USER_UNIT },
{ "field", required_argument, NULL, 'F' },
{ "catalog", no_argument, NULL, 'x' },
{ "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
{ "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
{ "update-catalog",no_argument, NULL, ARG_UPDATE_CATALOG },
{ "reverse", no_argument, NULL, 'r' },
{ NULL, 0, NULL, 0 }
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hefo:an::qmbD:p:c:u:F:xr", options, NULL)) >= 0) {
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
case ARG_NO_PAGER:
arg_no_pager = true;
break;
case 'e':
arg_pager_end = true;
if (arg_lines < 0)
arg_lines = 1000;
break;
case 'f':
arg_follow = true;
break;
case 'o':
arg_output = output_mode_from_string(optarg);
if (arg_output < 0) {
log_error("Unknown output format '%s'.", optarg);
return -EINVAL;
}
if (arg_output == OUTPUT_EXPORT ||
arg_output == OUTPUT_JSON ||
arg_output == OUTPUT_JSON_PRETTY ||
arg_output == OUTPUT_JSON_SSE ||
arg_output == OUTPUT_CAT)
arg_quiet = true;
break;
case ARG_FULL:
arg_full = true;
break;
case 'a':
arg_all = true;
break;
case 'n':
if (optarg) {
r = safe_atoi(optarg, &arg_lines);
if (r < 0 || arg_lines < 0) {
log_error("Failed to parse lines '%s'", optarg);
return -EINVAL;
}
} else {
int n;
/* Hmm, no argument? Maybe the next
* word on the command line is
* supposed to be the argument? Let's
* see if there is one, and is
* parsable as a positive
* integer... */
if (optind < argc &&
safe_atoi(argv[optind], &n) >= 0 &&
n >= 0) {
arg_lines = n;
optind++;
} else
arg_lines = 10;
}
break;
case ARG_NO_TAIL:
arg_no_tail = true;
break;
case ARG_NEW_ID128:
arg_action = ACTION_NEW_ID128;
break;
case 'q':
arg_quiet = true;
break;
case 'm':
arg_merge = true;
break;
case 'b':
arg_this_boot = true;
break;
case 'D':
arg_directory = optarg;
break;
case ARG_ROOT:
arg_root = optarg;
break;
case 'c':
arg_cursor = optarg;
break;
case ARG_HEADER:
arg_action = ACTION_PRINT_HEADER;
break;
case ARG_VERIFY:
arg_action = ACTION_VERIFY;
break;
case ARG_DISK_USAGE:
arg_action = ACTION_DISK_USAGE;
break;
#ifdef HAVE_GCRYPT
case ARG_SETUP_KEYS:
arg_action = ACTION_SETUP_KEYS;
break;
case ARG_VERIFY_KEY:
arg_action = ACTION_VERIFY;
arg_verify_key = optarg;
arg_merge = false;
break;
case ARG_INTERVAL:
r = parse_sec(optarg, &arg_interval);
if (r < 0 || arg_interval <= 0) {
log_error("Failed to parse sealing key change interval: %s", optarg);
return -EINVAL;
}
break;
#else
case ARG_SETUP_KEYS:
case ARG_VERIFY_KEY:
case ARG_INTERVAL:
log_error("Forward-secure sealing not available.");
return -ENOTSUP;
#endif
case 'p': {
const char *dots;
dots = strstr(optarg, "..");
if (dots) {
char *a;
int from, to, i;
/* a range */
a = strndup(optarg, dots - optarg);
if (!a)
return log_oom();
from = log_level_from_string(a);
to = log_level_from_string(dots + 2);
free(a);
if (from < 0 || to < 0) {
log_error("Failed to parse log level range %s", optarg);
return -EINVAL;
}
arg_priorities = 0;
if (from < to) {
for (i = from; i <= to; i++)
arg_priorities |= 1 << i;
} else {
for (i = to; i <= from; i++)
arg_priorities |= 1 << i;
}
} else {
int p, i;
p = log_level_from_string(optarg);
if (p < 0) {
log_error("Unknown log level %s", optarg);
return -EINVAL;
}
arg_priorities = 0;
for (i = 0; i <= p; i++)
arg_priorities |= 1 << i;
}
break;
}
case ARG_SINCE:
r = parse_timestamp(optarg, &arg_since);
if (r < 0) {
log_error("Failed to parse timestamp: %s", optarg);
return -EINVAL;
}
arg_since_set = true;
break;
case ARG_UNTIL:
r = parse_timestamp(optarg, &arg_until);
if (r < 0) {
log_error("Failed to parse timestamp: %s", optarg);
return -EINVAL;
}
arg_until_set = true;
break;
case 'u':
r = strv_extend(&arg_system_units, optarg);
if (r < 0)
return log_oom();
break;
case ARG_USER_UNIT:
r = strv_extend(&arg_user_units, optarg);
if (r < 0)
return log_oom();
break;
case '?':
return -EINVAL;
case 'F':
arg_field = optarg;
break;
case 'x':
arg_catalog = true;
break;
case ARG_LIST_CATALOG:
arg_action = ACTION_LIST_CATALOG;
break;
case ARG_DUMP_CATALOG:
arg_action = ACTION_DUMP_CATALOG;
break;
case ARG_UPDATE_CATALOG:
arg_action = ACTION_UPDATE_CATALOG;
break;
case 'r':
arg_reverse = true;
break;
default:
log_error("Unknown option code %c", c);
return -EINVAL;
}
}
if (arg_follow && !arg_no_tail && arg_lines < 0)
arg_lines = 10;
if (arg_since_set && arg_until_set && arg_since > arg_until) {
log_error("--since= must be before --until=.");
return -EINVAL;
}
if (arg_cursor && arg_since_set) {
log_error("Please specify either --since= or --cursor=, not both.");
return -EINVAL;
}
if (arg_follow && arg_reverse) {
log_error("Please specify either --reverse= or --follow=, not both.");
return -EINVAL;
}
return 1;
}
