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improvements to password entry screen

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Jfreegman 2014-09-14 21:49:38 -04:00
parent cf3f6750eb
commit f405ae8b42
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GPG Key ID: 3627F3144076AE63
1 changed files with 29 additions and 22 deletions
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51
src/toxic.c
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@ -82,11 +82,11 @@ struct arg_opts arg_opts;
struct user_settings *user_settings_ = NULL; struct user_settings *user_settings_ = NULL;
#define MIN_PASSWORD_LEN 6 #define MIN_PASSWORD_LEN 6
#define MAX_PASSWORD_LEN 256 #define MAX_PASSWORD_LEN 64
static struct _user_password { static struct _user_password {
bool data_is_encrypted; bool data_is_encrypted;
char pass[MAX_STR_SIZE]; char pass[MAX_PASSWORD_LEN + 1];
int len; int len;
} user_password; } user_password;
@ -474,8 +474,6 @@ static void load_friendlist(Tox *m)
/* return length of password on success, 0 on failure */ /* return length of password on success, 0 on failure */
static int password_prompt(char *buf, int size) static int password_prompt(char *buf, int size)
{ {
printf("> ");
/* disable terminal echo */ /* disable terminal echo */
struct termios oflags, nflags; struct termios oflags, nflags;
tcgetattr(fileno(stdin), &oflags); tcgetattr(fileno(stdin), &oflags);
@ -502,36 +500,41 @@ static int password_prompt(char *buf, int size)
/* Ask user if they would like to encrypt the data file on first usage */ /* Ask user if they would like to encrypt the data file on first usage */
static void first_time_running(void) static void first_time_running(void)
{ {
char ch[3] = {0}; char ch[5] = {0};
do { do {
system("clear"); system("clear");
printf("Encrypt data file? Y/n \n"); printf("Creating new data file. Would you like to encrypt it? Y/n (q to quit)\n");
if (!strcmp(ch, "y\n") || !strcmp(ch, "n\n")) if (!strcasecmp(ch, "y\n") || !strcasecmp(ch, "n\n")
|| !strcasecmp(ch, "yes\n") || !strcasecmp(ch, "no\n")
|| !strcasecmp(ch, "q\n"))
break; break;
} while (fgets(ch, sizeof(ch), stdin)); } while (fgets(ch, sizeof(ch), stdin));
const char *msg = NULL; if (ch[0] == 'q' || ch[0] == 'Q')
int len = 0; exit(0);
if (ch[0] == 'y') { if (ch[0] == 'y' || ch[0] == 'Y') {
do { int len = 0;
printf("Enter a new password (must be at least %d characters)\n", MIN_PASSWORD_LEN); printf("Enter a new password (must be at least %d characters)\n", MIN_PASSWORD_LEN);
while (true) {
len = password_prompt(user_password.pass, sizeof(user_password.pass)); len = password_prompt(user_password.pass, sizeof(user_password.pass));
user_password.len = len; user_password.len = len;
} while (len < MIN_PASSWORD_LEN || len > MAX_PASSWORD_LEN);
if (len >= MIN_PASSWORD_LEN && len <= MAX_PASSWORD_LEN)
break;
else
printf("Password must be between %d and %d characters long.\n", MIN_PASSWORD_LEN, MAX_PASSWORD_LEN);
}
user_password.data_is_encrypted = true; user_password.data_is_encrypted = true;
msg = "Data file has been encrypted"; queue_init_message("Data file has been encrypted");
} else {
user_password.data_is_encrypted = false;
msg = "Data file has not been encrypted";
} }
system("clear"); system("clear");
queue_init_message(msg);
} }
/* /*
@ -610,19 +613,23 @@ static void load_data(Tox *m, char *path)
if (user_password.data_is_encrypted) { if (user_password.data_is_encrypted) {
system("clear"); system("clear");
printf("Enter password\n"); printf("Enter password (q to quit)\n");
do { while (true) {
pwlen = password_prompt(user_password.pass, sizeof(user_password.pass)); pwlen = password_prompt(user_password.pass, sizeof(user_password.pass));
user_password.len = pwlen; user_password.len = pwlen;
if (-1 != tox_encrypted_load(m, (uint8_t *) buf, len, (uint8_t *) user_password.pass, pwlen)) { if (strcasecmp(user_password.pass, "q") == 0)
exit(0);
if (tox_encrypted_load(m, (uint8_t *) buf, len, (uint8_t *) user_password.pass, pwlen) == 0) {
break; break;
} else { } else {
sleep(2); sleep(2);
system("clear");
printf("Invalid password. Try again.\n"); printf("Invalid password. Try again.\n");
} }
} while (true); }
system("clear"); system("clear");
} else { } else {