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add option to unencrypt an encrypted data file

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Jfreegman 2014-09-18 23:50:51 -04:00
parent 618704df76
commit 919d36369c
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GPG Key ID: 3627F3144076AE63
4 changed files with 60 additions and 33 deletions
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11
doc/toxic.1
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@ -2,12 +2,12 @@
.\" Title: toxic
.\" Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 2014-08-21
.\" Date: 2014-09-15
.\" Manual: Toxic Manual
.\" Source: toxic __VERSION__
.\" Language: English
.\"
.TH "TOXIC" "1" "2014\-08\-21" "toxic __VERSION__" "Toxic Manual"
.TH "TOXIC" "1" "2014\-09\-15" "toxic __VERSION__" "Toxic Manual"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
@ -62,7 +62,7 @@ Use default locale
.PP
\-e, \-\-encrypt\-data
.RS 4
Encrypt an existing unencrypted data file\&. An error will occur if this option is used with a non\-existent or encrypted data file\&.
Encrypt an unencrypted data file\&. An error will occur if this option is used with a non\-existent or encrypted data file\&.
.RE
.PP
\-f, \-\-file data\-file
@ -106,6 +106,11 @@ Use specified DNSservers file
Force TCP connection (use this with proxies)
.RE
.PP
\-u, \-\-unencrypt\-data
.RS 4
Unencrypt a data file\&. A warning will appear if this option is used with a data file that is already unencrypted\&.
.RE
.PP
\-x, \-\-nodata
.RS 4
Ignore data file

8
doc/toxic.1.asc
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@ -31,8 +31,8 @@ OPTIONS
Use default locale
-e, --encrypt-data::
Encrypt an existing unencrypted data file. An error will occur
if this option is used with a non-existent or encrypted data file.
Encrypt an unencrypted data file. An error will occur if this option
is used with a non-existent or encrypted data file.
-f, --file data-file::
Use specified 'data-file' instead of '~/.config/tox/data'
@ -56,6 +56,10 @@ OPTIONS
-t, --force-tcp::
Force TCP connection (use this with proxies)
-u, --unencrypt-data::
Unencrypt a data file. A warning will appear if this option is used
with a data file that is already unencrypted.
-x, --nodata::
Ignore data file

71
src/toxic.c
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@ -196,8 +196,15 @@ static struct _init_messages {
} init_messages;
/* One-time queue for messages created during init. Do not use after program init. */
static void queue_init_message(const char *msg)
static void queue_init_message(const char *msg, ...)
{
char frmt_msg[MAX_STR_SIZE] = {0};
va_list args;
va_start(args, msg);
vsnprintf(frmt_msg, sizeof(frmt_msg), msg, args);
va_end(args);
int i = init_messages.num;
++init_messages.num;
@ -211,7 +218,7 @@ static void queue_init_message(const char *msg)
if (new_msgs[i] == NULL)
exit_toxic_err("Failed in queue_init_message", FATALERR_MEMORY);
snprintf(new_msgs[i], MAX_STR_SIZE, "%s", msg);
snprintf(new_msgs[i], MAX_STR_SIZE, "%s", frmt_msg);
init_messages.msgs = new_msgs;
}
@ -251,16 +258,16 @@ static Tox *init_tox(void)
char tmp[48];
snprintf(tmp, sizeof(tmp), "Using proxy %s : %d",
arg_opts.proxy_address, arg_opts.proxy_port);
queue_init_message(tmp);
queue_init_message("%s", tmp);
}
if (tox_opts.udp_disabled) {
queue_init_message("UDP disabled");
} else if (tox_opts.proxy_enabled) {
const char *msg = "WARNING: Using a proxy without disabling UDP may leak your real IP address.";
queue_init_message(msg);
queue_init_message("%s", msg);
msg = "Use the -t option to disable UDP.";
queue_init_message(msg);
queue_init_message("%s", msg);
}
/* Init core */
@ -563,7 +570,6 @@ static void first_time_encrypt(const char *msg)
memset(passconfirm, 0, sizeof(passconfirm));
user_password.data_is_encrypted = true;
queue_init_message("Data file has been encrypted");
}
system("clear");
@ -591,7 +597,7 @@ int store_data(Tox *m, const char *path)
if (buf == NULL)
return -2;
if (user_password.data_is_encrypted)
if (user_password.data_is_encrypted && !arg_opts.unencrypt_data)
tox_encrypted_save(m, (uint8_t *) buf, (uint8_t *) user_password.pass, user_password.len);
else
tox_save(m, (uint8_t *) buf);
@ -644,9 +650,18 @@ static void load_data(Tox *m, char *path)
/* attempt to encrypt an already encrypted data file */
if (arg_opts.encrypt_data && is_encrypted)
exit_toxic_err("failed in load_data", FATALERR_ENCRYPT);
else if (arg_opts.encrypt_data)
queue_init_message("Data file '%s' has been encrypted", path);
if (arg_opts.unencrypt_data && is_encrypted)
queue_init_message("Data file '%s' has been unencrypted", path);
else if (arg_opts.unencrypt_data)
queue_init_message("Warning: passed --unencrypt-data option with unencrypted data file '%s'", path);
if (is_encrypted) {
if (!arg_opts.unencrypt_data)
user_password.data_is_encrypted = true;
int pwlen = 0;
system("clear");
printf("Enter password (q to quit) ");
@ -734,7 +749,7 @@ void *thread_cqueue(void *data)
pthread_mutex_lock(&Winthread.lock);
int i;
for (i = 0; i < MAX_WINDOWS_NUM; ++i) {
for (i = 2; i < MAX_WINDOWS_NUM; ++i) {
ToxWindow *toxwin = get_window_ptr(i);
if (toxwin != NULL && toxwin->is_chat && tox_get_friend_connection_status(m, toxwin->num) == 1)
@ -753,7 +768,7 @@ static void print_usage(void)
fprintf(stderr, " -b, --debug Enable stderr for debugging\n");
fprintf(stderr, " -c, --config Use specified config file\n");
fprintf(stderr, " -d, --default-locale Use default POSIX locale\n");
fprintf(stderr, " -e, --encrypt-data Encrypt an existing unencrypted data file\n");
fprintf(stderr, " -e, --encrypt-data Encrypt an unencrypted data file\n");
fprintf(stderr, " -f, --file Use specified data file\n");
fprintf(stderr, " -h, --help Show this message and exit\n");
fprintf(stderr, " -n, --nodes Use specified DHTnodes file\n");
@ -761,20 +776,15 @@ static void print_usage(void)
fprintf(stderr, " -p, --proxy Use proxy: Requires [IP] [port]\n");
fprintf(stderr, " -r, --dnslist Use specified DNSservers file\n");
fprintf(stderr, " -t, --force-tcp Force TCP connection (use this with proxies)\n");
fprintf(stderr, " -u, --unencrypt-data Unencrypt an encrypted data file\n");
fprintf(stderr, " -x, --nodata Ignore data file\n");
}
static void set_default_opts(void)
{
arg_opts.use_ipv4 = 0;
arg_opts.ignore_data_file = 0;
arg_opts.debug = 0;
arg_opts.default_locale = 0;
arg_opts.use_custom_data = 0;
arg_opts.no_connect = 0;
arg_opts.force_tcp = 0;
arg_opts.use_proxy = 0;
arg_opts.encrypt_data = 0;
memset(&arg_opts, 0, sizeof(struct arg_opts));
/* set any non-zero defaults here*/
}
static void parse_args(int argc, char *argv[])
@ -795,10 +805,11 @@ static void parse_args(int argc, char *argv[])
{"dnslist", required_argument, 0, 'r'},
{"force-tcp", no_argument, 0, 't'},
{"proxy", required_argument, 0, 'p'},
{"unencrypt-data", no_argument, 0, 'u'},
{NULL, no_argument, NULL, 0},
};
const char *opts_str = "4bdehotxc:f:n:r:p:";
const char *opts_str = "4bdehotuxc:f:n:r:p:";
int opt, indexptr;
while ((opt = getopt_long(argc, argv, opts_str, long_opts, &indexptr)) != -1) {
@ -840,9 +851,8 @@ static void parse_args(int argc, char *argv[])
strcpy(BLOCK_FILE, optarg);
strcat(BLOCK_FILE, "-blocklist");
char tmp[PATH_MAX];
snprintf(tmp, sizeof(tmp), "Using '%s' data file", DATA_FILE);
queue_init_message(tmp);
queue_init_message("Using '%s' data file", DATA_FILE);
break;
case 'n':
@ -880,6 +890,10 @@ static void parse_args(int argc, char *argv[])
arg_opts.force_tcp = 1;
break;
case 'u':
arg_opts.unencrypt_data = 1;
break;
case 'x':
arg_opts.ignore_data_file = 1;
queue_init_message("Ignoring data file");
@ -953,6 +967,9 @@ int main(int argc, char *argv[])
init_signal_catchers();
parse_args(argc, argv);
if (arg_opts.encrypt_data && arg_opts.unencrypt_data)
exit_toxic_err("failed in main", FATALERR_ENCRYPT);
/* Use the -b flag to enable stderr */
if (!arg_opts.debug)
freopen("/dev/null", "w", stderr);
@ -964,7 +981,7 @@ int main(int argc, char *argv[])
bool datafile_exists = file_exists(DATA_FILE);
if (!arg_opts.ignore_data_file) {
if (!datafile_exists)
if (!datafile_exists && !arg_opts.unencrypt_data)
first_time_encrypt("Creating new data file. Would you like to encrypt it? Y/n (q to quit)");
else if (arg_opts.encrypt_data)
first_time_encrypt("Encrypt existing data file? Y/n (q to quit)");
@ -985,10 +1002,10 @@ int main(int argc, char *argv[])
exit_toxic_err("failed in main", FATALERR_NETWORKINIT);
if (!arg_opts.ignore_data_file) {
if (!arg_opts.encrypt_data || (arg_opts.encrypt_data && datafile_exists))
load_data(m, DATA_FILE);
else
if (arg_opts.encrypt_data && !datafile_exists)
exit_toxic_err("failed in main", FATALERR_ENCRYPT);
load_data(m, DATA_FILE);
}
init_term();
@ -1029,7 +1046,7 @@ int main(int argc, char *argv[])
if (config_err) {
msg = "Unable to determine configuration directory. Defaulting to 'data' for data file...";
queue_init_message(msg);
queue_init_message("%s", msg);
}
if (settings_err == -1)

1
src/windows.h
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@ -84,6 +84,7 @@ struct arg_opts {
int use_custom_data;
int no_connect;
int encrypt_data;
int unencrypt_data;
char dns_path[MAX_STR_SIZE];
char config_path[MAX_STR_SIZE];
char nodes_path[MAX_STR_SIZE];