diff options
Diffstat (limited to 'src/char/pincode.c')
| -rw-r--r-- | src/char/pincode.c | 241 |
1 files changed, 205 insertions, 36 deletions
diff --git a/src/char/pincode.c b/src/char/pincode.c index bca1b4394..8f3df4584 100644 --- a/src/char/pincode.c +++ b/src/char/pincode.c @@ -26,6 +26,7 @@ #include "common/cbasetypes.h" #include "common/conf.h" #include "common/db.h" +#include "common/memmgr.h" #include "common/mmo.h" #include "common/nullpo.h" #include "common/random.h" @@ -39,56 +40,95 @@ struct pincode_interface pincode_s; struct pincode_interface *pincode; -void pincode_handle (int fd, struct char_session_data* sd) { +void pincode_handle (int fd, struct char_session_data* sd) +{ struct online_char_data* character; nullpo_retv(sd); + character = (struct online_char_data*)idb_get(chr->online_char_db, sd->account_id); - if( character && character->pincode_enable > pincode->charselect ){ + + if (character && character->pincode_enable > pincode->charselect) { character->pincode_enable = pincode->charselect * 2; - }else{ - pincode->sendstate( fd, sd, PINCODE_OK ); + } else { + pincode->loginstate(fd, sd, PINCODE_LOGIN_OK); return; } - if( strlen(sd->pincode) == 4 ){ - if( pincode->changetime && time(NULL) > (sd->pincode_change+pincode->changetime) ){ // User hasn't changed his PIN code for a long time - pincode->sendstate( fd, sd, PINCODE_EXPIRED ); + if (strlen(sd->pincode) == 4) { + if (pincode->check_blacklist && pincode->isBlacklisted(sd->pincode)) { + // Ask player to change pincode to be able to connect + pincode->loginstate(fd, sd, PINCODE_LOGIN_EXPIRED); + } else if (pincode->changetime && time(NULL) > (sd->pincode_change + pincode->changetime)) { + // User hasn't changed his PIN code for a long time + pincode->loginstate(fd, sd, PINCODE_LOGIN_EXPIRED); } else { // Ask user for his PIN code - pincode->sendstate( fd, sd, PINCODE_ASK ); + pincode->loginstate(fd, sd, PINCODE_LOGIN_ASK); } } else // No PIN code has been set yet - pincode->sendstate( fd, sd, PINCODE_NOTSET ); + pincode->loginstate(fd, sd, PINCODE_LOGIN_NOTSET); - if( character ) + if (character) character->pincode_enable = -1; } -void pincode_check(int fd, struct char_session_data* sd) { +void pincode_check(int fd, struct char_session_data* sd) +{ char pin[5] = "\0\0\0\0"; nullpo_retv(sd); + if (strlen(sd->pincode) != 4) return; + safestrncpy(pin, RFIFOP(fd, 6), sizeof(pin)); - pincode->decrypt(sd->pincode_seed, pin); - if( pincode->compare( fd, sd, pin ) ){ + + if (pincode->check_blacklist && pincode->isBlacklisted(pin)) { + pincode->loginstate(fd, sd, PINCODE_LOGIN_RESTRICT_PW); + return; + } + + if (pincode->compare(fd, sd, pin)) { struct online_char_data* character; - if( (character = (struct online_char_data*)idb_get(chr->online_char_db, sd->account_id)) ) + if ((character = (struct online_char_data*)idb_get(chr->online_char_db, sd->account_id))) character->pincode_enable = pincode->charselect * 2; - pincode->sendstate( fd, sd, PINCODE_OK ); + pincode->loginstate(fd, sd, PINCODE_LOGIN_OK); + } else { + pincode->loginstate(fd, sd, PINCODE_LOGIN_WRONG); + } +} + +/** +* Check if this pincode is blacklisted or not +* +* @param (const char *) pin The pin to be verified +* @return bool +*/ +bool pincode_isBlacklisted(const char *pin) +{ + int i; + + nullpo_retr(false, pin); + + ARR_FIND(0, VECTOR_LENGTH(pincode->blacklist), i, strcmp(VECTOR_INDEX(pincode->blacklist, i), pin) == 0); + + if (i < VECTOR_LENGTH(pincode->blacklist)) { + return true; } + + return false; } -int pincode_compare(int fd, struct char_session_data* sd, char* pin) { +int pincode_compare(int fd, struct char_session_data* sd, char* pin) +{ nullpo_ret(sd); nullpo_ret(pin); - if( strcmp( sd->pincode, pin ) == 0 ){ + + if (strcmp(sd->pincode, pin) == 0) { sd->pincode_try = 0; return 1; } else { - pincode->sendstate( fd, sd, PINCODE_WRONG ); - if( pincode->maxtry && ++sd->pincode_try >= pincode->maxtry ){ + if (pincode->maxtry && ++sd->pincode_try >= pincode->maxtry) { pincode->error(sd->account_id); chr->authfail_fd(fd, 0); chr->disconnect_player(sd->account_id); @@ -97,35 +137,94 @@ int pincode_compare(int fd, struct char_session_data* sd, char* pin) { } } -void pincode_change(int fd, struct char_session_data* sd) { +void pincode_change(int fd, struct char_session_data* sd) +{ char oldpin[5] = "\0\0\0\0", newpin[5] = "\0\0\0\0"; nullpo_retv(sd); + if (strlen(sd->pincode) != 4) return; + safestrncpy(oldpin, RFIFOP(fd,6), sizeof(oldpin)); - pincode->decrypt(sd->pincode_seed,oldpin); - if( !pincode->compare( fd, sd, oldpin ) ) + pincode->decrypt(sd->pincode_seed, oldpin); + + if (!pincode->compare(fd, sd, oldpin)) { + pincode->editstate(fd, sd, PINCODE_EDIT_FAILED); + pincode->loginstate(fd, sd, PINCODE_LOGIN_ASK); return; + } - safestrncpy(newpin, RFIFOP(fd,10), sizeof(newpin)); - pincode->decrypt(sd->pincode_seed,newpin); - pincode->update( sd->account_id, newpin ); - safestrncpy(sd->pincode, newpin, sizeof(sd->pincode)); - pincode->sendstate( fd, sd, PINCODE_ASK ); + safestrncpy(newpin, RFIFOP(fd, 10), sizeof(newpin)); + pincode->decrypt(sd->pincode_seed, newpin); + + if (pincode->check_blacklist && pincode->isBlacklisted(newpin)) { + pincode->editstate(fd, sd, PINCODE_EDIT_RESTRICT_PW); + } else { + pincode->update(sd->account_id, newpin); + safestrncpy(sd->pincode, newpin, sizeof(sd->pincode)); + pincode->editstate(fd, sd, PINCODE_EDIT_SUCCESS); + } + + pincode->loginstate(fd, sd, PINCODE_LOGIN_ASK); } -void pincode_setnew(int fd, struct char_session_data* sd) { +void pincode_setnew(int fd, struct char_session_data* sd) +{ char newpin[5] = "\0\0\0\0"; nullpo_retv(sd); + if (strlen(sd->pincode) == 4) return; + safestrncpy(newpin, RFIFOP(fd,6), sizeof(newpin)); - pincode->decrypt(sd->pincode_seed,newpin); - pincode->update( sd->account_id, newpin ); + pincode->decrypt(sd->pincode_seed, newpin); + + if (pincode->check_blacklist && pincode->isBlacklisted(newpin)) { + pincode->makestate(fd, sd, PINCODE_MAKE_RESTRICT_PW); + return; + } + + pincode->update(sd->account_id, newpin); safestrncpy(sd->pincode, newpin, sizeof(sd->pincode)); - pincode->sendstate( fd, sd, PINCODE_ASK ); + pincode->makestate(fd, sd, PINCODE_MAKE_SUCCESS); +} + +/** +* Send state of making new pincode +* +* @param[in] fd +* @param[in, out] sd Session Data +* @param[in] state Pincode Edit State +*/ +void pincode_makestate(int fd, struct char_session_data *sd, enum pincode_make_response state) +{ + nullpo_retv(sd); + + WFIFOHEAD(fd, 8); + WFIFOW(fd, 0) = 0x8bb; + WFIFOW(fd, 2) = state; + WFIFOW(fd, 4) = 0; + WFIFOSET(fd, 8); +} + +/** +* Send state of editing pincode +* +* @param[in] fd +* @param[in, out] sd Session Data +* @param[in] state Pincode Edit State +*/ +void pincode_editstate(int fd, struct char_session_data *sd, enum pincode_edit_response state) +{ + nullpo_retv(sd); + + WFIFOHEAD(fd, 8); + WFIFOW(fd, 0) = 0x8bf; + WFIFOW(fd, 2) = state; + WFIFOW(fd, 4) = sd->pincode_seed = rnd() % 0xFFFF; + WFIFOSET(fd, 8); } // 0 = pin is correct @@ -137,7 +236,8 @@ void pincode_setnew(int fd, struct char_session_data* sd) { // 6 = client shows msgstr(1897) Unable to use your KSSN number // 7 = char select window shows a button - client sends 0x8c5 // 8 = pincode was incorrect -void pincode_sendstate(int fd, struct char_session_data* sd, uint16 state) { +void pincode_loginstate(int fd, struct char_session_data* sd, enum pincode_login_response state) +{ nullpo_retv(sd); WFIFOHEAD(fd, 12); WFIFOW(fd, 0) = 0x8b9; @@ -180,7 +280,7 @@ void pincode_decrypt(unsigned int userSeed, char* pin) { } } - for (i = 0; i < 4; i++ ) { + for (i = 0; i < 4; i++) { if (pin[i] < '0' || pin[i] > '9') pin[i] = '0'; else @@ -202,6 +302,8 @@ void pincode_decrypt(unsigned int userSeed, char* pin) { bool pincode_config_read(const char *filename, const struct config_t *config, bool imported) { const struct config_setting_t *setting = NULL; + const struct config_setting_t *temp = NULL; + nullpo_retr(false, filename); nullpo_retr(false, config); @@ -238,26 +340,93 @@ bool pincode_config_read(const char *filename, const struct config_t *config, bo } } + if (libconfig->setting_lookup_bool_real(setting, "check_blacklisted", &pincode->check_blacklist) == CONFIG_FALSE) { + if (!imported) { + ShowWarning("pincode 'check_blaclisted' not found, defaulting to false...\n"); + pincode->check_blacklist = false; + } + } + + if (pincode->check_blacklist) { + if ((temp = libconfig->setting_get_member(setting, "blacklist")) != NULL) { + VECTOR_DECL(char *) duplicate; + int i, j, size = libconfig->setting_length(temp); + VECTOR_INIT(duplicate); + VECTOR_ENSURE(duplicate, size, 1); + for (i = 0; i < size; i++) { + const char *pin = libconfig->setting_get_string_elem(temp, i); + + if (pin == NULL) + continue; + + if (strlen(pin) != 4) { + ShowError("Wrong size on element %d of blacklist. Desired size = 4, received = %d\n", i, (int)strlen(pin)); + continue; + } + + ARR_FIND(0, VECTOR_LENGTH(duplicate), j, strcmp(VECTOR_INDEX(duplicate, j), pin) == 0); + + if (j < VECTOR_LENGTH(duplicate)) { + ShowWarning("Duplicate pin on pincode blacklist. Item #%d\n", i); + continue; + } + + VECTOR_ENSURE(pincode->blacklist, 1, 1); + VECTOR_PUSH(pincode->blacklist, aStrdup(pin)); + VECTOR_PUSH(duplicate, aStrdup(pin)); + } + while (VECTOR_LENGTH(duplicate) > 0) { + aFree(VECTOR_POP(duplicate)); + } + VECTOR_CLEAR(duplicate); + } + else if (!imported) { + ShowError("Pincode Blacklist Check is enabled but there's no blacklist setting! Disabling check.\n"); + pincode->check_blacklist = false; + } + } + return true; } -void pincode_defaults(void) { +void do_pincode_init(void) +{ + VECTOR_INIT(pincode->blacklist); +} + +void do_pincode_final(void) +{ + while (VECTOR_LENGTH(pincode->blacklist) > 0) { + aFree(VECTOR_POP(pincode->blacklist)); + } + VECTOR_CLEAR(pincode->blacklist); +} + +void pincode_defaults(void) +{ pincode = &pincode_s; - pincode->enabled = PINCODE_OK; + pincode->enabled = 0; pincode->changetime = 0; pincode->maxtry = 3; pincode->charselect = 0; + pincode->check_blacklist = false; pincode->multiplier = 0x3498; pincode->baseSeed = 0x881234; + pincode->init = do_pincode_init; + pincode->final = do_pincode_final; + pincode->handle = pincode_handle; pincode->decrypt = pincode_decrypt; pincode->error = pincode_notifyLoginPinError; pincode->update = pincode_notifyLoginPinUpdate; - pincode->sendstate = pincode_sendstate; + pincode->makestate = pincode_makestate; + pincode->editstate = pincode_editstate; + pincode->loginstate = pincode_loginstate; pincode->setnew = pincode_setnew; pincode->change = pincode_change; + pincode->isBlacklisted = pincode_isBlacklisted; pincode->compare = pincode_compare; pincode->check = pincode_check; pincode->config_read = pincode_config_read; |