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-rw-r--r--common/mysql.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/common/mysql.c b/common/mysql.c
deleted file mode 100644
index 83a7930..0000000
--- a/common/mysql.c
+++ /dev/null
@@ -1,188 +0,0 @@
-#include <libssh/server.h>
-#include <mysql/mysql.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "config.h"
-#include "mysql.h"
-
-static MYSQL *db;
-
-char // returns 0 if ok, greater than 0 otherwise
-db_init(void)
-{
- printf("MySQL client version: %s\n", mysql_get_client_info());
- db = mysql_init(NULL);
- if (db == NULL) {
- fprintf(stderr, "%s\n", mysql_error(db));
- return 1;
- }
- if (mysql_real_connect(db, MYSQL_HOST, MYSQL_USER, MYSQL_PASS, MYSQL_DB, 0, NULL, 0) == NULL) {
- fprintf(stderr, "%s\n", mysql_error(db));
- mysql_close(db);
- return 1;
- }
- return 0;
-}
-
-void db_clean(void)
-{
- mysql_close(db);
- db = NULL;
-}
-
-char * // returns NULL if no user found, this char * is to be freed from the calling code
-db_get_username_from_pubkey(ssh_key pubkey)
-{
- int res = mysql_query(db, "SELECT name, authorized_key FROM users, user_keys WHERE users.id = user_keys.user_id");
- if (res != 0) {
- fprintf(stderr, "WARNING: Couldn't get usernames from database.\n");
- return NULL;
- }
- MYSQL_RES *result = mysql_store_result(db);
- if (result == NULL) {
- fprintf(stderr, "FATAL: Couldn't retrieve public keys from database.\n");
- return NULL;
- }
-
- MYSQL_ROW row;
- while ((row = mysql_fetch_row(result))) {
- char * rsa = "ssh-rsa ";
- if (strncmp (row[1], rsa, strlen(rsa)) != 0) {
- fprintf(stderr, "Unsupported public key type for user %s : %s\n", row[0], row[1]);
- } else {
- ssh_key tmp_key;
- if (ssh_pki_import_pubkey_base64(row[1] + strlen(rsa), SSH_KEYTYPE_RSA, &tmp_key) != SSH_OK) {
- fprintf(stderr, "Error importing public key for user %s : %s\n", row[0], row[1]);
- } else if (!ssh_key_cmp(pubkey, tmp_key, SSH_KEY_CMP_PUBLIC)) {
- size_t len = strlen(row[0]);
- char * username = malloc(len+1);
- strcpy(username, row[0]);
- ssh_key_free(tmp_key);
- mysql_free_result(result);
- return username;
- } else {
- ssh_key_free(tmp_key);
- }
- }
- }
-
- fprintf(stderr, "ERROR: Didn't find public key in database.\n");
- mysql_free_result(result);
- return NULL;
-}
-
-struct db_host_info * // returns NULL if no key found, this char * is to be freed from the calling code
-db_get_host_info(const char * hostname)
-{
- char buff[255];
- sprintf(buff, "SELECT priv_key, url, host_key FROM ssh_keys, hosts WHERE ssh_keys.id = hosts.ssh_key_id and hosts.name = \"%s\"", hostname);
- int res = mysql_query(db, buff);
- if (res != 0) {
- fprintf(stderr, "WARNING: Couldn't query db for server infos for host %s\n", hostname);
- return NULL;
- }
- MYSQL_RES *result = mysql_store_result(db);
- if (result == NULL) {
- fprintf(stderr, "FATAL: Couldn't retrieve server infos for %s from database.\n", hostname);
- return NULL;
- }
-
- MYSQL_ROW row = mysql_fetch_row(result);
- if (row == NULL) {
- fprintf(stderr, "FATAL: Couldn't retrieve server db results for %s from database.\n", hostname);
- mysql_free_result(result);
- return NULL;
- }
-
- struct db_host_info * info = malloc(sizeof(struct db_host_info));
- memset(info, 0, sizeof(struct db_host_info));
-
- size_t len = strlen(row[0]);
- info->privkeytxt = malloc(len+1);
- strcpy(info->privkeytxt, row[0]);
-
- if (strncmp(row[1], "ssh://", 6) != 0) {
- fprintf(stderr, "FATAL: invalid host url %s\n", row[1]);
- return NULL;
- }
- size_t at_pos = 0;
- char done = 0;
- for(size_t i = 6; !done; ++i) {
- switch(*(row[1]+i)) {
- case '@':
- info->username = malloc(i-6+1);
- strncpy(info->username, row[1]+6, i-6);
- info->username[i-6] = '\0';
- at_pos = i;
- break;
- case '\0':
- info->address = malloc(i-at_pos);
- strncpy(info->address, row[1]+at_pos+1, i-at_pos-1);
- info->address[i-at_pos-1] = '\0';
- done = 1;
- break;
- }
- if (i > MAX_HOSTNAME_LENGTH + MAX_USERNAME_LENGTH + 6 + 1) {
- fprintf(stderr, "FATAL: Couldn't parse host url for host %s, too long.\n", hostname);
- if (info->username != NULL)
- free(info->username);
- return NULL;
- }
- }
-
- len = strlen(row[2]);
- info->hostkeyhash = malloc(len+1);
- strcpy(info->hostkeyhash, row[2]);
-
- mysql_free_result(result);
- return info;
-}
-
-void db_set_host_publickey_hash(const char * hostname, const char * hash)
-{
- char buff[255];
- sprintf(buff, "UPDATE ssh_keys, hosts SET host_key = \"%s\" WHERE ssh_keys.id = hosts.ssh_key_id and hosts.name = \"%s\"", hash, hostname);
- int res = mysql_query(db, buff);
- if (res != 0) {
- fprintf(stderr, "WARNING: Couldn't set host key for host %s: %s\n", hostname, hash);
- return;
- }
- res = mysql_commit(db);
- if (res != 0) {
- fprintf(stderr, "WARNING: Couldn't commit after setting host key for host %s: %s\n", hostname, hash);
- }
-}
-
-unsigned long long // returns 0 on error, or the session_id
-db_init_session_and_get_id(const char * hostname, const char * username)
-{
- char buff[255];
- sprintf(buff, "INSERT INTO sessions (created_at, status, user_id, host_id) SELECT NOW(), \"opened\", users.id, hosts.id from users, hosts WHERE users.name = \"%s\" and hosts.name = \"%s\"", username, hostname);
- int res = mysql_query(db, buff);
- if (res != 0) {
- fprintf(stderr, "FATAL: Couldn't insert new session in database for %s to %s\n", username, hostname);
- return 0;
- }
- unsigned long long id = mysql_insert_id(db);
- if (id == 0) {
- fprintf(stderr, "FATAL: Didn't get proper mysql last insert id after inserting new session for %s to %s\n", username, hostname);
- return 0;
- }
- res = mysql_commit(db);
- if (res != 0) {
- fprintf(stderr, "FATAL: Couldn't commit after inserting session for %s to %s\n", username, hostname);
- return 0;
- }
- return id;
-}
-
-void db_free_host_info(struct db_host_info * info)
-{
- free(info->privkeytxt);
- free(info->address);
- free(info->username);
- free(info->hostkeyhash);
- free(info);
-}
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