33
33
                                   sigaction, sigemptyset(),
 
34
34
                                   sigaction(), sigaddset(), SIGINT,
 
35
35
                                   SIGQUIT, SIGHUP, SIGTERM */
 
36
 
#include <stddef.h>             /* NULL, size_t */
 
 
36
#include <stddef.h>             /* NULL, size_t, ssize_t */
 
37
37
#include <sys/types.h>          /* ssize_t */
 
38
38
#include <stdlib.h>             /* EXIT_SUCCESS, EXIT_FAILURE,
 
 
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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 <argp.h>               /* struct argp_option,
 
48
 
                                   struct argp_state, struct argp,
 
 
47
#include <argp.h>               /* struct argp_option, struct
 
 
48
                                   argp_state, struct argp,
 
 
49
                                   argp_parse(), error_t,
 
 
50
                                   ARGP_KEY_ARG, ARGP_KEY_END,
 
51
53
volatile bool quit_now = false;
 
52
54
bool debug = false;
 
53
 
const char *argp_program_version = "passprompt 0.9";
 
 
55
const char *argp_program_version = "password-prompt 1.0";
 
54
56
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
 
56
58
static void termination_handler(__attribute__((unused))int signum){
 
 
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    struct argp argp = { .options = options, .parser = parse_opt,
 
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105
                         .doc = "Mandos Passprompt -- Provides a passprompt" };
 
104
 
    argp_parse (&argp, argc, argv, 0, 0, NULL);
 
 
106
    ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
 
 
107
    if (ret == ARGP_ERR_UNKNOWN){
 
 
108
      fprintf(stderr, "Unknown error while parsing arguments\n");
 
 
119
125
  sigaddset(&new_action.sa_mask, SIGINT);
 
120
126
  sigaddset(&new_action.sa_mask, SIGHUP);
 
121
127
  sigaddset(&new_action.sa_mask, SIGTERM);
 
122
 
  sigaction(SIGINT, NULL, &old_action);
 
123
 
  if (old_action.sa_handler != SIG_IGN)
 
124
 
    sigaction(SIGINT, &new_action, NULL);
 
125
 
  sigaction(SIGHUP, NULL, &old_action);
 
126
 
  if (old_action.sa_handler != SIG_IGN)
 
127
 
    sigaction(SIGHUP, &new_action, NULL);
 
128
 
  sigaction(SIGTERM, NULL, &old_action);
 
129
 
  if (old_action.sa_handler != SIG_IGN)
 
130
 
    sigaction(SIGTERM, &new_action, NULL);
 
 
128
  ret = sigaction(SIGINT, NULL, &old_action);
 
 
133
  if (old_action.sa_handler != SIG_IGN){
 
 
134
    ret = sigaction(SIGINT, &new_action, NULL);
 
 
140
  ret = sigaction(SIGHUP, NULL, &old_action);
 
 
145
  if (old_action.sa_handler != SIG_IGN){
 
 
146
    ret = sigaction(SIGHUP, &new_action, NULL);
 
 
152
  ret = sigaction(SIGTERM, NULL, &old_action);
 
 
157
  if (old_action.sa_handler != SIG_IGN){
 
 
158
    ret = sigaction(SIGTERM, &new_action, NULL);
 
134
167
    fprintf(stderr, "Removing echo flag from terminal attributes\n");