44
44
#include <iso646.h> /* or, not */
45
45
#include <stdbool.h> /* bool, false, true */
46
46
#include <string.h> /* strlen, rindex, strncmp, strcmp */
47
#include <getopt.h> /* getopt_long */
47
#include <argp.h> /* struct argp_option,
48
struct argp_state, struct argp,
49
51
volatile bool quit_now = false;
50
52
bool debug = false;
53
const char *argp_program_version = "passprompt 0.9";
54
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
52
56
static void termination_handler(__attribute__((unused))int signum){
63
67
struct sigaction old_action,
64
68
new_action = { .sa_handler = termination_handler,
68
static struct option long_options[] = {
69
{"debug", no_argument, (int *)&debug, 1},
70
{"prefix", required_argument, 0, 'p'},
74
ret = getopt_long (argc, argv, "p:", long_options, &option_index);
87
fprintf(stderr, "bad arguments\n");
71
struct argp_option options[] = {
72
{ .name = "prefix", .key = 'p',
73
.arg = "PREFIX", .flags = 0,
74
.doc = "Prefix used before the passprompt", .group = 2 },
75
{ .name = "debug", .key = 128,
76
.doc = "Debug mode", .group = 3 },
80
error_t parse_opt (int key, char *arg, struct argp_state *state) {
81
/* Get the INPUT argument from `argp_parse', which we know is a
82
pointer to our plugin list pointer. */
96
return ARGP_ERR_UNKNOWN;
101
struct argp argp = { .options = options, .parser = parse_opt,
103
.doc = "Mandos Passprompt -- Provides a passprompt" };
104
argp_parse (&argp, argc, argv, 0, 0, NULL);
93
108
fprintf(stderr, "Starting %s\n", argv[0]);
171
/* if(ret == 0), then the only sensible thing to do is to retry to
157
173
fputc('\n', stderr);
161
177
fprintf(stderr, "Restoring terminal attributes\n");
163
179
if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_old) != 0){
164
180
perror("tcsetattr+echo");
168
184
fprintf(stderr, "%s is exiting\n", argv[0]);