82
82
#include <signal.h> /* sigemptyset(), sigaddset(),
83
83
sigaction(), SIGTERM, sig_atomic_t,
85
#include <sysexits.h> /* EX_OSERR, EX_USAGE */
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88
#include <sys/klog.h> /* klogctl() */
1056
1057
.arg = "SECONDS",
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1058
.doc = "Maximum delay to wait for interface startup",
1061
* These reproduce what we would get without ARGP_NO_HELP
1063
{ .name = "help", .key = '?',
1064
.doc = "Give this help list", .group = -1 },
1065
{ .name = "usage", .key = -3,
1066
.doc = "Give a short usage message", .group = -1 },
1067
{ .name = "version", .key = 'V',
1068
.doc = "Print program version", .group = -1 },
1059
1069
{ .name = NULL }
1062
1072
error_t parse_opt(int key, char *arg,
1063
1073
struct argp_state *state){
1065
1076
case 128: /* --debug */
1082
1093
tmpmax = strtoimax(arg, &tmp, 10);
1083
1094
if(errno != 0 or tmp == arg or *tmp != '\0'
1084
1095
or tmpmax != (typeof(mc.dh_bits))tmpmax){
1085
fprintf(stderr, "Bad number of DH bits\n");
1096
argp_error(state, "Bad number of DH bits");
1088
1098
mc.dh_bits = (typeof(mc.dh_bits))tmpmax;
1095
1105
delay = strtof(arg, &tmp);
1096
1106
if(errno != 0 or tmp == arg or *tmp != '\0'){
1097
fprintf(stderr, "Bad delay\n");
1107
argp_error(state, "Bad delay");
1111
* These reproduce what we would get without ARGP_NO_HELP
1113
case '?': /* --help */
1114
argp_state_help(state, state->out_stream,
1115
(ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
1116
& ~(unsigned int)ARGP_HELP_EXIT_OK);
1117
case -3: /* --usage */
1118
argp_state_help(state, state->out_stream,
1119
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1120
case 'V': /* --version */
1121
fprintf(state->out_stream, "%s\n", argp_program_version);
1122
exit(argp_err_exit_status);
1106
1125
return ARGP_ERR_UNKNOWN;
1111
1130
struct argp argp = { .options = options, .parser = parse_opt,
1112
1131
.args_doc = "",
1113
1132
.doc = "Mandos client -- Get and decrypt"
1114
1133
" passwords from a Mandos server" };
1115
ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
1116
if(ret == ARGP_ERR_UNKNOWN){
1117
fprintf(stderr, "Unknown error while parsing arguments\n");
1118
exitcode = EXIT_FAILURE;
1134
ret = argp_parse(&argp, argc, argv,
1135
ARGP_IN_ORDER | ARGP_NO_HELP, 0, NULL);
1142
perror("argp_parse");
1143
exitcode = EX_OSERR;
1146
exitcode = EX_USAGE;
1221
1249
#ifdef __linux__
1222
1250
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1223
messages to mess up the prompt */
1251
messages about the network interface to mess up the prompt */
1224
1252
ret = klogctl(8, NULL, 5);
1225
1253
bool restore_loglevel = true;
1531
1559
perror("ioctl SIOCGIFFLAGS");
1532
1560
} else if(network.ifr_flags & IFF_UP) {
1533
network.ifr_flags &= ~IFF_UP; /* clear flag */
1561
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
1534
1562
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1536
1564
perror("ioctl SIOCSIFFLAGS");