33
33
                                   sigaction, sigemptyset(),
 
34
34
                                   sigaction(), sigaddset(), SIGINT,
 
35
35
                                   SIGQUIT, SIGHUP, SIGTERM */
 
36
 
#include <stddef.h>             /* NULL, size_t, ssize_t */
 
 
36
#include <stddef.h>             /* NULL, size_t */
 
37
37
#include <sys/types.h>          /* ssize_t */
 
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38
#include <stdlib.h>             /* EXIT_SUCCESS, EXIT_FAILURE,
 
 
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44
#include <iso646.h>             /* or, not */
 
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#include <stdbool.h>            /* bool, false, true */
 
46
46
#include <string.h>             /* strlen, rindex, strncmp, strcmp */
 
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,
 
 
47
#include <argp.h>               /* struct argp_option,
 
 
48
                                   struct argp_state, struct argp,
 
53
51
volatile bool quit_now = false;
 
54
52
bool debug = false;
 
55
 
const char *argp_program_version = "password-prompt 1.0";
 
 
53
const char *argp_program_version = "passprompt 0.9";
 
56
54
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
 
58
56
static void termination_handler(__attribute__((unused))int signum){
 
 
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101
    struct argp argp = { .options = options, .parser = parse_opt,
 
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103
                         .doc = "Mandos Passprompt -- Provides a passprompt" };
 
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");
 
 
104
    argp_parse (&argp, argc, argv, 0, 0, NULL);
 
 
125
119
  sigaddset(&new_action.sa_mask, SIGINT);
 
126
120
  sigaddset(&new_action.sa_mask, SIGHUP);
 
127
121
  sigaddset(&new_action.sa_mask, SIGTERM);
 
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);
 
 
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);
 
167
134
    fprintf(stderr, "Removing echo flag from terminal attributes\n");