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proxysql/lib/MySQL_Authentication.cpp

899 lines
27 KiB

#include "../deps/json/json.hpp"
//using json = nlohmann::json;
#define PROXYJSON
//#include "btree_map.h"
#include "proxysql.h"
#include "cpp.h"
#include "proxysql_atomic.h"
#include "MySQL_Authentication.hpp"
#ifndef SPOOKYV2
#include "SpookyV2.h"
#define SPOOKYV2
#endif
void free_account_details(account_details_t& ad) {
if (ad.password) {
free(ad.password);
ad.password = nullptr;
}
if (ad.sha1_pass) {
free(ad.sha1_pass);
ad.sha1_pass=NULL;
}
if (ad.password) {
free(ad.password);
ad.password = nullptr;
}
if (ad.clear_text_password[PASSWORD_TYPE::PRIMARY]) {
free(ad.clear_text_password[PASSWORD_TYPE::PRIMARY]);
ad.clear_text_password[PASSWORD_TYPE::PRIMARY] = nullptr;
}
if (ad.clear_text_password[PASSWORD_TYPE::ADDITIONAL]) {
free(ad.clear_text_password[PASSWORD_TYPE::ADDITIONAL]);
ad.clear_text_password[PASSWORD_TYPE::ADDITIONAL] = nullptr;
}
if (ad.default_schema) {
free(ad.default_schema);
ad.default_schema = nullptr;
}
if (ad.attributes) {
free(ad.attributes);
ad.attributes = nullptr;
}
if (ad.comment) {
free(ad.comment);
ad.comment = nullptr;
}
}
MySQL_Authentication::MySQL_Authentication() {
#ifdef DEBUG
if (glovars.has_debug==false) {
#else
if (glovars.has_debug==true) {
#endif /* DEBUG */
perror("Incompatible debugging version");
exit(EXIT_FAILURE);
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_init(&creds_backends.lock, NULL);
pthread_rwlock_init(&creds_frontends.lock, NULL);
#else
spinlock_rwlock_init(&creds_backends.lock);
spinlock_rwlock_init(&creds_frontends.lock);
#endif
creds_backends.cred_array = new PtrArray();
creds_frontends.cred_array = new PtrArray();
};
MySQL_Authentication::~MySQL_Authentication() {
reset();
delete creds_backends.cred_array;
delete creds_frontends.cred_array;
};
void MySQL_Authentication::print_version() {
fprintf(stderr,"Standard MySQL Authentication rev. %s -- %s -- %s\n", MYSQL_AUTHENTICATION_VERSION, __FILE__, __TIMESTAMP__);
};
void MySQL_Authentication::set_all_inactive(enum cred_username_type usertype) {
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
unsigned int i;
for (i=0; i<cg.cred_array->len; i++) {
account_details_t *ado=(account_details_t *)cg.cred_array->index(i);
ado->__active=false;
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
}
void MySQL_Authentication::remove_inactives(enum cred_username_type usertype) {
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
unsigned int i;
__loop_remove_inactives:
for (i=0; i<cg.cred_array->len; i++) {
account_details_t *ado=(account_details_t *)cg.cred_array->index(i);
if (ado->__active==false) {
del(ado->username,usertype,false);
goto __loop_remove_inactives; // we aren't sure how the underlying structure changes, so we jump back to 0
}
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
}
bool MySQL_Authentication::add(char * username, char * password, enum cred_username_type usertype, bool use_ssl, int default_hostgroup, char *default_schema, bool schema_locked, bool transaction_persistent, bool fast_forward, int max_connections, char* attributes, char *comment) {
uint64_t hash1, hash2;
SpookyHash myhash;
myhash.Init(1,2);
myhash.Update(username,strlen(username));
myhash.Final(&hash1,&hash2);
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup;
lookup = cg.bt_map.find(hash1);
// few changes will follow, due to issue #802
account_details_t *ad=NULL;
bool new_ad=false;
if (lookup != cg.bt_map.end()) {
ad=lookup->second;
if (strcmp(ad->password,password)) {
// the password has changed
free(ad->password);
ad->password=strdup(password);
if (ad->sha1_pass) {
free(ad->sha1_pass);
ad->sha1_pass=NULL;
}
if (ad->clear_text_password[0]) {
free(ad->clear_text_password[0]);
ad->clear_text_password[0]=NULL;
}
if (ad->clear_text_password[1]) {
free(ad->clear_text_password[1]);
ad->clear_text_password[1]=NULL;
}
// FIXME: if the password is a clear text password, automatically generate sha1_pass and clear_text_password
}
if (strcmp(ad->default_schema,default_schema)) {
free(ad->default_schema);
ad->default_schema=strdup(default_schema);
}
if (strcmp(ad->comment,comment)) {
free(ad->comment);
ad->comment=strdup(comment);
}
if (strcasecmp(ad->attributes, attributes)) {
free(ad->attributes);
if (strlen(attributes)) {
// NOTE: add() is only place where we do input validation
try {
nlohmann::json valid=nlohmann::json::parse(attributes);
// we do further input validation here, and possibly transforming the JSON itself
bool json_rewritten = false;
auto default_transaction_isolation = valid.find("default-transaction_isolation");
if (default_transaction_isolation != valid.end()) {
std::string dti = valid["default-transaction_isolation"].get<std::string>();
for (unsigned int i = 0; i < dti.length(); ++i) {
if (dti[i] == '-') {
dti[i] = ' ';
json_rewritten = true; // the json needs to be rewritten
}
}
// input validation
if (
(strcasecmp(dti.c_str(), "READ UNCOMMITTED")==0 )
|| (strcasecmp(dti.c_str(), "READ COMMITTED")==0 )
|| (strcasecmp(dti.c_str(), "REPEATABLE READ")==0 )
|| (strcasecmp(dti.c_str(), "SERIALIZABLE")==0 )
) {
if (json_rewritten) {
valid["default-transaction_isolation"]=dti;
}
} else {
std::string dti_orig = valid["default-transaction_isolation"].get<std::string>();
proxy_error("Invalid default-transaction_isolation for user %s : %s . Removing it from runtime\n", username, dti_orig.c_str());
valid.erase("default-transaction_isolation");
json_rewritten = true; // the json was rewritten
}
}
if (json_rewritten) {
std::string d = valid.dump();
if (d.length()==2) { // empty json
ad->attributes=strdup(""); // empty string
} else {
ad->attributes=strdup(d.c_str());
}
} else {
// the JSON wasn't rewritten for the purpose of input validation, therefore we copy the original value
ad->attributes=strdup(attributes);
}
}
catch(nlohmann::json::exception& e) {
ad->attributes=strdup("");
proxy_error("Invalid attributes for user %s: %s\n", username, attributes);
}
} else {
ad->attributes=strdup(attributes); // default, empty string
}
}
} else {
ad=(account_details_t *)malloc(sizeof(account_details_t));
ad->username=strdup(username);
ad->default_schema=strdup(default_schema);
ad->comment=strdup(comment);
ad->password=strdup(password);
if (strlen(attributes)) {
// NOTE: add() is only place where we do input validation
try {
nlohmann::json valid=nlohmann::json::parse(attributes);
ad->attributes=strdup(attributes);
}
catch(nlohmann::json::exception& e) {
ad->attributes=strdup("");
proxy_error("Invalid attributes for user %s: %s\n", username, attributes);
}
} else {
ad->attributes=strdup(attributes); // default, empty string
}
new_ad=true;
ad->sha1_pass=NULL;
ad->num_connections_used=0;
ad->clear_text_password[0] = NULL;
ad->clear_text_password[1] = NULL;
// FIXME: if the password is a clear text password, automatically generate sha1_pass and clear_text_password
}
ad->use_ssl=use_ssl;
ad->default_hostgroup=default_hostgroup;
ad->schema_locked=schema_locked;
ad->transaction_persistent=transaction_persistent;
ad->fast_forward=fast_forward;
ad->max_connections=max_connections;
ad->__active=true;
if (new_ad) {
cg.bt_map.insert(std::make_pair(hash1,ad));
cg.cred_array->add(ad);
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return true;
};
unsigned int MySQL_Authentication::memory_usage() {
unsigned int ret=0;
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_rdlock(&creds_frontends.lock);
pthread_rwlock_rdlock(&creds_backends.lock);
#else
spin_rdlock(&creds_frontends.lock);
spin_rdlock(&creds_backends.lock);
#endif
unsigned i=0;
for (i=0; i<creds_frontends.cred_array->len; i++) {
account_details_t *ado=(account_details_t *)creds_frontends.cred_array->index(i);
ret += sizeof(account_details_t);
if (ado->username) ret += strlen(ado->username) + 1;
if (ado->password) ret += strlen(ado->password) + 1;
if (ado->sha1_pass) ret += SHA_DIGEST_LENGTH;
if (ado->clear_text_password[0]) ret += strlen(ado->clear_text_password[0]) + 1;
if (ado->clear_text_password[1]) ret += strlen(ado->clear_text_password[1]) + 1;
if (ado->default_schema) ret += strlen(ado->default_schema) + 1;
if (ado->comment) ret += strlen(ado->comment) + 1;
if (ado->attributes) ret += strlen(ado->attributes) + 1;
}
ret += sizeof(creds_group_t);
ret += sizeof(PtrArray);
ret += (creds_frontends.cred_array->size * sizeof(void *));
for (i=0; i<creds_backends.cred_array->len; i++) {
account_details_t *ado=(account_details_t *)creds_backends.cred_array->index(i);
ret += sizeof(account_details_t);
if (ado->username) ret += strlen(ado->username) + 1;
if (ado->password) ret += strlen(ado->password) + 1;
if (ado->sha1_pass) ret += SHA_DIGEST_LENGTH;
if (ado->clear_text_password[0]) ret += strlen(ado->clear_text_password[0]) + 1;
if (ado->clear_text_password[1]) ret += strlen(ado->clear_text_password[1]) + 1;
if (ado->default_schema) ret += strlen(ado->default_schema) + 1;
if (ado->comment) ret += strlen(ado->comment) + 1;
if (ado->attributes) ret += strlen(ado->attributes) + 1;
}
ret += sizeof(creds_group_t);
ret += sizeof(PtrArray);
ret += (creds_backends.cred_array->size * sizeof(void *));
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&creds_frontends.lock);
pthread_rwlock_unlock(&creds_backends.lock);
#else
spin_rdunlock(&creds_frontends.lock);
spin_rdunlock(&creds_backends.lock);
#endif
return ret;
}
int MySQL_Authentication::dump_all_users(account_details_t ***ads, bool _complete) {
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_rdlock(&creds_frontends.lock);
pthread_rwlock_rdlock(&creds_backends.lock);
#else
spin_rdlock(&creds_frontends.lock);
spin_rdlock(&creds_backends.lock);
#endif
int total_size;
int idx_=0;
unsigned i=0;
account_details_t **_ads;
total_size=creds_frontends.cred_array->len;
if (_complete) {
total_size+=creds_backends.cred_array->len;
}
if (!total_size) goto __exit_dump_all_users;
_ads=(account_details_t **)malloc(sizeof(account_details_t *)*total_size);
for (i=0; i<creds_frontends.cred_array->len; i++) {
account_details_t *ad=(account_details_t *)malloc(sizeof(account_details_t));
account_details_t *ado=(account_details_t *)creds_frontends.cred_array->index(i);
ad->username=strdup(ado->username);
ad->max_connections=ado->max_connections;
ad->default_hostgroup=ado->default_hostgroup;
if (_complete==false) {
ad->password=NULL;
ad->default_schema=NULL;
ad->attributes=NULL;
ad->comment=NULL;
ad->num_connections_used=ado->num_connections_used;
} else {
ad->num_connections_used=ado->num_connections_used;
ad->password=strdup(ado->password);
ad->sha1_pass=NULL;
ad->clear_text_password[0] = NULL;
ad->clear_text_password[1] = NULL;
ad->use_ssl=ado->use_ssl;
ad->default_schema=strdup(ado->default_schema);
ad->attributes=strdup(ado->attributes);
ad->comment=strdup(ado->comment);
ad->schema_locked=ado->schema_locked;
ad->transaction_persistent=ado->transaction_persistent;
ad->fast_forward=ado->fast_forward;
ad->__frontend=1;
ad->__backend=0;
}
_ads[idx_]=ad;
idx_++;
}
if (_complete==true) {
for (i=0; i<creds_backends.cred_array->len; i++) {
account_details_t *ad=(account_details_t *)malloc(sizeof(account_details_t));
account_details_t *ado=(account_details_t *)creds_backends.cred_array->index(i);
ad->num_connections_used=0;
ad->username=strdup(ado->username);
ad->password=strdup(ado->password);
ad->sha1_pass=NULL;
ad->clear_text_password[0] = NULL;
ad->clear_text_password[1] = NULL;
ad->use_ssl=ado->use_ssl;
ad->default_hostgroup=ado->default_hostgroup;
ad->default_schema=strdup(ado->default_schema);
ad->attributes=strdup(ado->attributes);
ad->comment=strdup(ado->comment);
ad->schema_locked=ado->schema_locked;
ad->transaction_persistent=ado->transaction_persistent;
ad->fast_forward=ado->fast_forward;
ad->max_connections=ado->max_connections;
ad->__frontend=0;
ad->__backend=1;
_ads[idx_]=ad;
idx_++;
}
}
*ads=_ads;
__exit_dump_all_users:
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&creds_frontends.lock);
pthread_rwlock_unlock(&creds_backends.lock);
#else
spin_rdunlock(&creds_frontends.lock);
spin_rdunlock(&creds_backends.lock);
#endif
return total_size;
}
int MySQL_Authentication::increase_frontend_user_connections(
char *username, PASSWORD_TYPE::E passtype, int *mc
) {
uint64_t hash1, hash2;
SpookyHash *myhash=new SpookyHash();
myhash->Init(1,2);
myhash->Update(username,strlen(username));
myhash->Final(&hash1,&hash2);
delete myhash;
creds_group_t &cg=creds_frontends;
int ret=0;
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator it;
it = cg.bt_map.find(hash1);
if (it != cg.bt_map.end()) {
account_details_t *ad=it->second;
if (ad->max_connections > ad->num_connections_used) {
ret=ad->max_connections-ad->num_connections_used;
ad->num_connections_used++;
if (passtype == PASSWORD_TYPE::ADDITIONAL) {
ad->num_connections_used_addl_pass += 1;
}
}
if (mc) {
*mc=ad->max_connections;
}
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return ret;
}
void MySQL_Authentication::decrease_frontend_user_connections(char *username, PASSWORD_TYPE::E passtype) {
uint64_t hash1, hash2;
SpookyHash *myhash=new SpookyHash();
myhash->Init(1,2);
myhash->Update(username,strlen(username));
myhash->Final(&hash1,&hash2);
delete myhash;
creds_group_t &cg=creds_frontends;
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator it;
it = cg.bt_map.find(hash1);
if (it != cg.bt_map.end()) {
account_details_t *ad=it->second;
if (ad->num_connections_used > 0) {
ad->num_connections_used--;
if (passtype == PASSWORD_TYPE::ADDITIONAL) {
ad->num_connections_used_addl_pass -= 1;
}
}
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
}
bool MySQL_Authentication::del(char * username, enum cred_username_type usertype, bool set_lock) {
bool ret=false;
uint64_t hash1, hash2;
SpookyHash *myhash=new SpookyHash();
myhash->Init(1,2);
myhash->Update(username,strlen(username));
myhash->Final(&hash1,&hash2);
delete myhash;
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
if (set_lock)
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup;
lookup = cg.bt_map.find(hash1);
if (lookup != cg.bt_map.end()) {
account_details_t *ad=lookup->second;
cg.cred_array->remove_fast(ad);
cg.bt_map.erase(lookup);
free(ad->username);
free(ad->password);
if (ad->sha1_pass) { free(ad->sha1_pass); ad->sha1_pass=NULL; }
if (ad->clear_text_password[0]) { free(ad->clear_text_password[0]); ad->clear_text_password[0]=NULL; }
if (ad->clear_text_password[1]) { free(ad->clear_text_password[1]); ad->clear_text_password[1]=NULL; }
free(ad->default_schema);
free(ad->attributes);
free(ad->comment);
free(ad);
ret=true;
}
if (set_lock)
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return ret;
};
bool MySQL_Authentication::set_SHA1(char * username, enum cred_username_type usertype, void *sha_pass) {
bool ret=false;
uint64_t hash1, hash2;
SpookyHash *myhash=new SpookyHash();
myhash->Init(1,2);
myhash->Update(username,strlen(username));
myhash->Final(&hash1,&hash2);
delete myhash;
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup;
lookup = cg.bt_map.find(hash1);
if (lookup != cg.bt_map.end()) {
account_details_t *ad=lookup->second;
if (ad->sha1_pass) { free(ad->sha1_pass); ad->sha1_pass=NULL; }
if (sha_pass) {
ad->sha1_pass=malloc(SHA_DIGEST_LENGTH);
memcpy(ad->sha1_pass,sha_pass,SHA_DIGEST_LENGTH);
}
ret=true;
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return ret;
};
bool MySQL_Authentication::set_clear_text_password(
char* username, enum cred_username_type usertype, const char* clear_text_password, PASSWORD_TYPE::E passtype
) {
bool ret=false;
uint64_t hash1, hash2;
SpookyHash *myhash=new SpookyHash();
myhash->Init(1,2);
myhash->Update(username,strlen(username));
myhash->Final(&hash1,&hash2);
delete myhash;
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup;
lookup = cg.bt_map.find(hash1);
if (lookup != cg.bt_map.end()) {
account_details_t *ad=lookup->second;
if (passtype == PASSWORD_TYPE::PRIMARY) {
if (ad->clear_text_password[0]) {
free(ad->clear_text_password[0]);
ad->clear_text_password[0]=NULL;
}
if (clear_text_password) {
ad->clear_text_password[0] = strdup(clear_text_password);
}
} else {
if (ad->clear_text_password[1]) {
free(ad->clear_text_password[1]);
ad->clear_text_password[1]=NULL;
}
if (clear_text_password) {
ad->clear_text_password[1] = strdup(clear_text_password);
}
}
ret=true;
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return ret;
};
bool MySQL_Authentication::exists(char * username) {
bool ret = false;
uint64_t hash1, hash2;
SpookyHash myhash;
myhash.Init(1,2);
myhash.Update(username,strlen(username));
myhash.Final(&hash1,&hash2);
creds_group_t &cg = creds_frontends ;
pthread_rwlock_rdlock(&cg.lock);
std::map<uint64_t, account_details_t *>::iterator lookup;
lookup = cg.bt_map.find(hash1);
if (lookup != cg.bt_map.end()) {
ret = true;
}
pthread_rwlock_unlock(&cg.lock);
return ret;
}
account_details_t MySQL_Authentication::lookup(
char* username, enum cred_username_type usertype, const dup_account_details_t& dup_details
) {
account_details_t ret {};
uint64_t hash1, hash2;
SpookyHash myhash;
myhash.Init(1,2);
myhash.Update(username,strlen(username));
myhash.Final(&hash1,&hash2);
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_rdlock(&cg.lock);
#else
spin_rdlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup = cg.bt_map.find(hash1);
if (lookup != cg.bt_map.end()) {
account_details_t* ad = lookup->second;
ret.password = strdup(ad->password);
if (ad->clear_text_password[PASSWORD_TYPE::PRIMARY]) {
ret.clear_text_password[PASSWORD_TYPE::PRIMARY] =
strdup(ad->clear_text_password[PASSWORD_TYPE::PRIMARY]);
}
if (ad->clear_text_password[PASSWORD_TYPE::ADDITIONAL]) {
ret.clear_text_password[PASSWORD_TYPE::ADDITIONAL] =
strdup(ad->clear_text_password[PASSWORD_TYPE::ADDITIONAL]);
}
ret.use_ssl = ad->use_ssl;
ret.default_hostgroup = ad->default_hostgroup;
if (dup_details.default_schema) {
ret.default_schema = l_strdup(ad->default_schema);
}
ret.schema_locked = ad->schema_locked;
ret.transaction_persistent = ad->transaction_persistent;
ret.fast_forward = ad->fast_forward;
ret.max_connections = ad->max_connections;
if (dup_details.sha1_pass) {
if (ad->sha1_pass) {
ret.sha1_pass = malloc(SHA_DIGEST_LENGTH);
memcpy(ret.sha1_pass,ad->sha1_pass,SHA_DIGEST_LENGTH);
}
}
if (dup_details.attributes) {
ret.attributes = l_strdup(ad->attributes);
}
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_rdunlock(&cg.lock);
#endif
return ret;
}
bool MySQL_Authentication::_reset(enum cred_username_type usertype) {
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_wrlock(&cg.lock);
#else
spin_wrlock(&cg.lock);
#endif
std::map<uint64_t, account_details_t *>::iterator lookup;
while (cg.bt_map.size()) {
lookup = cg.bt_map.begin();
if ( lookup != cg.bt_map.end() ) {
account_details_t *ad=lookup->second;
cg.bt_map.erase(lookup);
free(ad->username);
free(ad->password);
if (ad->sha1_pass) { free(ad->sha1_pass); ad->sha1_pass=NULL; }
if (ad->clear_text_password[0]) {
free(ad->clear_text_password[0]);
ad->clear_text_password[0] = NULL;
}
if (ad->clear_text_password[1]) {
free(ad->clear_text_password[1]);
ad->clear_text_password[1] = NULL;
}
free(ad->default_schema);
free(ad->comment);
free(ad->attributes);
free(ad);
}
}
while (cg.cred_array->len) {
cg.cred_array->remove_index_fast(0);
}
#ifdef PROXYSQL_AUTH_PTHREAD_MUTEX
pthread_rwlock_unlock(&cg.lock);
#else
spin_wrunlock(&cg.lock);
#endif
return true;
};
bool MySQL_Authentication::reset() {
_reset(USERNAME_BACKEND);
_reset(USERNAME_FRONTEND);
return true;
}
using std::map;
static uint64_t compute_accounts_hash(const umap_auth& accs_map) {
if (accs_map.size() == 0) {
return 0;
}
bool foundany = false;
SpookyHash acc_map_hash;
acc_map_hash.Init(13,4);
for (const pair<const uint64_t, account_details_t*>& map_entry : accs_map) {
const account_details_t* ad = map_entry.second;
if (ad->default_hostgroup >= 0) {
foundany = true;
acc_map_hash.Update(&ad->use_ssl,sizeof(ad->use_ssl));
acc_map_hash.Update(&ad->default_hostgroup,sizeof(ad->default_hostgroup));
acc_map_hash.Update(&ad->schema_locked,sizeof(ad->schema_locked));
acc_map_hash.Update(&ad->transaction_persistent,sizeof(ad->transaction_persistent));
acc_map_hash.Update(&ad->fast_forward,sizeof(ad->fast_forward));
acc_map_hash.Update(&ad->max_connections,sizeof(ad->max_connections));
acc_map_hash.Update(ad->username,strlen(ad->username));
acc_map_hash.Update(ad->password,strlen(ad->password));
if (ad->default_schema)
acc_map_hash.Update(ad->default_schema,strlen(ad->default_schema));
if (ad->comment)
acc_map_hash.Update(ad->comment,strlen(ad->comment));
if (ad->attributes) {
acc_map_hash.Update(ad->attributes,strlen(ad->attributes));
}
}
}
if (foundany == false) {
return 0;
} else {
uint64_t hash1 = 0, hash2 = 0;
acc_map_hash.Final(&hash1, &hash2);
return hash1;
}
}
uint64_t MySQL_Authentication::_get_runtime_checksum(enum cred_username_type usertype) {
creds_group_t &cg=(usertype==USERNAME_BACKEND ? creds_backends : creds_frontends);
uint64_t accs_hash = compute_accounts_hash(cg.bt_map);
return accs_hash;
}
uint64_t MySQL_Authentication::get_runtime_checksum() {
uint64_t hashB = _get_runtime_checksum(USERNAME_BACKEND);
uint64_t hashF = _get_runtime_checksum(USERNAME_FRONTEND);
return hashB+hashF;
}
static pair<umap_auth, umap_auth> extract_accounts_details(MYSQL_RES* resultset, unique_ptr<SQLite3_result>& all_users) {
if (resultset == nullptr) { return { umap_auth {}, umap_auth {} }; }
// The following order is assumed for the resulset received fields:
// - username, password, active, use_ssl, default_hostgroup, default_schema, schema_locked,
// transaction_persistent, fast_forward, backend, frontend, max_connections, attributes, comment.
umap_auth f_accs_map {};
umap_auth b_accs_map {};
// Create the SQLite3 resultsets for 'frontend' and 'backend' users
uint32_t num_fields = mysql_num_fields(resultset);
MYSQL_FIELD* fields = mysql_fetch_fields(resultset);
SQLite3_result* _all_users { new SQLite3_result(num_fields) };
for (uint32_t i = 0; i < num_fields; i++) {
_all_users->add_column_definition(SQLITE_TEXT, fields[i].name);
}
const auto create_account_details = [] (MYSQL_ROW row) -> account_details_t* {
account_details_t* acc_details { new account_details_t {} };
acc_details->username = row[0];
acc_details->password = row[1] ? row[1] : const_cast<char*>("");
acc_details->__active = true;
acc_details->use_ssl = strcmp(row[2], "1") == 0 ? true : false;
acc_details->default_hostgroup = atoi(row[3]);
acc_details->default_schema = row[4] ? row[4] : const_cast<char*>("");
acc_details->schema_locked = strcmp(row[5], "1") == 0 ? true : false;
acc_details->transaction_persistent = strcmp(row[6], "1") == 0 ? true : false;
acc_details->fast_forward = strcmp(row[7], "1") == 0 ? true : false;
acc_details->__backend = strcmp(row[8], "1") == 0 ? true : false;
acc_details->__frontend = strcmp(row[9], "1") == 0 ? true : false;
acc_details->max_connections = atoi(row[10]);
acc_details->attributes = row[11] ? row[11] : const_cast<char*>("");
acc_details->comment = row[12] ? row[12] : const_cast<char*>("");
return acc_details;
};
vector<char*> pta(static_cast<size_t>(num_fields));
while (MYSQL_ROW row = mysql_fetch_row(resultset)) {
// compute the 'username' hash for the map
uint64_t u_hash = 0, _u_hash2 = 0;
SpookyHash myhash {};
myhash.Init(1,2);
myhash.Update(row[0], strlen(row[0]));
myhash.Final(&u_hash, &_u_hash2);
// is backend
if (strcmp(row[8], "1") == 0) {
account_details_t* acc_details = create_account_details(row);
b_accs_map.insert({u_hash, acc_details});
}
// is frontend
if (strcmp(row[9], "1") == 0) {
account_details_t* acc_details = create_account_details(row);
f_accs_map.insert({u_hash, acc_details});
}
// Update the contents of the row for the SQLite3 resultset
for (uint32_t i = 0; i < num_fields; i++) {
pta[i] = row[i];
}
_all_users->add_row(&pta[0]);
}
mysql_data_seek(resultset, 0);
// Update the supplied 'unique_ptr' with the target resultsets
all_users.reset(_all_users);
return { b_accs_map, f_accs_map };
}
uint64_t MySQL_Authentication::get_runtime_checksum(MYSQL_RES* resultset, unique_ptr<SQLite3_result>& all_users) {
if (resultset == NULL) { return 0; }
pair<umap_auth, umap_auth> acc_maps { extract_accounts_details(resultset, all_users) };
uint64_t b_acc_hash = compute_accounts_hash(acc_maps.first);
uint64_t f_acc_hash = compute_accounts_hash(acc_maps.second);
for (pair<const uint64_t, account_details_t*>& map_entry : acc_maps.first) {
delete map_entry.second;
}
for (pair<const uint64_t, account_details_t*>& map_entry : acc_maps.second) {
delete map_entry.second;
}
return b_acc_hash + f_acc_hash;
}
void MySQL_Authentication::save_mysql_users(unique_ptr<SQLite3_result>&& users) {
this->mysql_users_resultset = std::move(users);
}
SQLite3_result* MySQL_Authentication::get_current_mysql_users() {
return this->mysql_users_resultset.get();
}