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fix encryption API breakage

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This commit is contained in:
Jfreegman 2015-03-31 21:56:11 -04:00
parent eaea68c33e
commit e998c8a866
No known key found for this signature in database
GPG Key ID: 3627F3144076AE63
3 changed files with 59 additions and 50 deletions
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8
src/chat.c
View File

@ -206,9 +206,7 @@ static void chat_onConnectionChange(ToxWindow *self, Tox *m, uint32_t num, TOX_C
char nick[TOX_MAX_NAME_LENGTH];
get_nick_truncate(m, nick, num);
statusbar->connection = connection_status;
if (connection_status != TOX_CONNECTION_NONE) {
if (connection_status != TOX_CONNECTION_NONE && statusbar->connection == TOX_CONNECTION_NONE) {
Friends.list[num].is_typing = user_settings->show_typing_other == SHOW_TYPING_ON
? tox_friend_get_typing(m, num, NULL) : false;
chat_resume_file_transfers(m, num);
@ -216,7 +214,7 @@ static void chat_onConnectionChange(ToxWindow *self, Tox *m, uint32_t num, TOX_C
msg = "has come online";
line_info_add(self, timefrmt, nick, NULL, CONNECTION, 0, GREEN, msg);
write_to_log(msg, nick, ctx->log, true);
} else {
} else if (connection_status == TOX_CONNECTION_NONE) {
Friends.list[num].is_typing = false;
if (self->chatwin->self_is_typing)
@ -228,6 +226,8 @@ static void chat_onConnectionChange(ToxWindow *self, Tox *m, uint32_t num, TOX_C
line_info_add(self, timefrmt, nick, NULL, DISCONNECTION, 0, RED, msg);
write_to_log(msg, nick, ctx->log, true);
}
statusbar->connection = connection_status;
}
static void chat_onTypingChange(ToxWindow *self, Tox *m, uint32_t num, bool is_typing)

99
src/toxic.c
View File

@ -460,7 +460,7 @@ static void first_time_encrypt(const char *msg)
valid_password = true;
}
queue_init_message("Data file '%s' will be encrypted", DATA_FILE);
queue_init_message("Data file '%s' is encrypted", DATA_FILE);
memset(passconfirm, 0, sizeof(passconfirm));
user_password.data_is_encrypted = true;
}
@ -468,44 +468,51 @@ static void first_time_encrypt(const char *msg)
system("clear");
}
/*
* Store Messenger to given location
* Return 0 if stored successfully or ignoring data file. Return -1 on error
/* Store Tox data to given location
*
* Return 0 if stored successfully or ignoring data file.
* Return -1 on error
*/
int store_data(Tox *m, const char *path)
{
if (path == NULL)
return -1;
size_t len = user_password.data_is_encrypted ? tox_encrypted_size(m) : tox_get_savedata_size(m);
char *buf = malloc(len);
FILE *fp = fopen(path, "wb");
if (buf == NULL)
exit_toxic_err("failed in store_data", FATALERR_MEMORY);
if (fp == NULL)
return -1;
size_t data_len = tox_get_savedata_size(m);
char data[data_len];
tox_get_savedata(m, (uint8_t *) data);
if (user_password.data_is_encrypted && !arg_opts.unencrypt_data) {
if (tox_encrypted_save(m, (uint8_t *) buf, (uint8_t *) user_password.pass, user_password.len) != 0) {
free(buf);
size_t enc_len = data_len + TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
char enc_data[enc_len];
TOX_ERR_ENCRYPTION err;
tox_pass_encrypt((uint8_t *) data, data_len, (uint8_t *) user_password.pass, user_password.len,
(uint8_t *) enc_data, &err);
if (err != TOX_ERR_ENCRYPTION_OK) {
fprintf(stderr, "tox_pass_encrypt() failed with error %d\n", err);
fclose(fp);
return -1;
}
if (fwrite(enc_data, enc_len, 1, fp) != 1) {
fclose(fp);
return -1;
}
} else {
tox_get_savedata(m, (uint8_t *) buf);
if (fwrite(data, data_len, 1, fp) != 1) {
fclose(fp);
return -1;
}
}
FILE *fp = fopen(path, "wb");
if (fp == NULL) {
free(buf);
return -1;
}
if (fwrite(buf, len, 1, fp) != 1) {
free(buf);
fclose(fp);
return -1;
}
free(buf);
fclose(fp);
return 0;
}
@ -570,7 +577,7 @@ static Tox *load_tox(char *data_path, struct Tox_Options *tox_opts)
FILE *fp = fopen(data_path, "rb");
if (fp != NULL) {
if (fp != NULL) { /* Data file exists */
off_t len = file_size(data_path);
if (len == 0) {
@ -578,20 +585,14 @@ static Tox *load_tox(char *data_path, struct Tox_Options *tox_opts)
exit_toxic_err("failed in load_toxic", FATALERR_FILEOP);
}
char *buf = malloc(len);
char data[len];
if (buf == NULL) {
fclose(fp);
exit_toxic_err("failed in load_toxic", FATALERR_MEMORY);
}
if (fread(buf, len, 1, fp) != 1) {
free(buf);
if (fread(data, sizeof(data), 1, fp) != 1) {
fclose(fp);
exit_toxic_err("failed in load_toxic", FATALERR_FILEOP);
}
bool is_encrypted = tox_is_data_encrypted((uint8_t *) buf);
bool is_encrypted = tox_is_data_encrypted((uint8_t *) data);
/* attempt to encrypt an already encrypted data file */
if (arg_opts.encrypt_data && is_encrypted)
@ -610,6 +611,9 @@ static Tox *load_tox(char *data_path, struct Tox_Options *tox_opts)
system("clear"); // TODO: is this portable?
printf("Enter password (q to quit) ");
size_t plain_len = len - TOX_PASS_ENCRYPTION_EXTRA_LENGTH;
char plain[plain_len];
while (true) {
pwlen = password_prompt(user_password.pass, sizeof(user_password.pass));
user_password.len = pwlen;
@ -624,31 +628,36 @@ static Tox *load_tox(char *data_path, struct Tox_Options *tox_opts)
continue;
}
TOX_ERR_ENCRYPTED_NEW enc_err;
m = tox_encrypted_new(tox_opts, (uint8_t *) buf, len, (uint8_t *) user_password.pass, pwlen, &enc_err);
TOX_ERR_DECRYPTION pwerr;
tox_pass_decrypt((uint8_t *) data, len, (uint8_t *) user_password.pass, pwlen,
(uint8_t *) plain, &pwerr);
if (pwerr == TOX_ERR_DECRYPTION_OK) {
TOX_ERR_NEW err;
m = tox_new(tox_opts, (uint8_t *) plain, plain_len, &err);
if (err != TOX_ERR_NEW_OK)
exit_toxic_err("tox_new() failed", err);
if (enc_err == TOX_ERR_ENCRYPTED_NEW_OK) {
break;
} else if (enc_err == TOX_ERR_ENCRYPTED_NEW_LOAD_DECRYPTION_FAILED) {
} else if (pwerr == TOX_ERR_DECRYPTION_FAILED) {
system("clear");
sleep(1);
printf("Invalid password. Try again. ");
} else {
exit_toxic_err("tox_encrypted_new() failed", enc_err);
exit_toxic_err("tox_pass_decrypt() failed", pwerr);
}
}
} else {
} else { /* data is not encrypted */
TOX_ERR_NEW err;
m = tox_new(tox_opts, (uint8_t *) buf, len, &err);
m = tox_new(tox_opts, (uint8_t *) data, len, &err);
if (err != TOX_ERR_NEW_OK)
exit_toxic_err("tox_new() failed", err);
}
free(buf);
fclose(fp);
} else {
/* if file exists then open() failing is fatal */
} else { /* Data file does not/should not exist */
if (file_exists(data_path))
exit_toxic_err("failed in load_toxic", FATALERR_FILEOP);

2
src/toxic.h
View File

@ -83,7 +83,7 @@ typedef enum _FATAL_ERRS {
FATALERR_WININIT = -9, /* window init failed */
FATALERR_PROXY = -10, /* Tox network failed to init using a proxy */
FATALERR_ENCRYPT = -11, /* Data file encryption failure */
FATALERR_TOX_INIT = -12, /* Tox instance failed to initialize */
FATALERR_TOX_INIT = -12, /* Tox instance failed to initialize */
} FATAL_ERRS;
/* Fixes text color problem on some terminals.