diff options
Diffstat (limited to 'source4/modules/mysql.c')
| -rw-r--r-- | source4/modules/mysql.c | 1043 |
1 files changed, 1043 insertions, 0 deletions
diff --git a/source4/modules/mysql.c b/source4/modules/mysql.c new file mode 100644 index 0000000000..1d5819295b --- /dev/null +++ b/source4/modules/mysql.c @@ -0,0 +1,1043 @@ + +/* + * MySQL password backend for samba + * Copyright (C) Jelmer Vernooij 2002 + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 675 + * Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "includes.h" +#include <mysql/mysql.h> + +#define CONFIG_TABLE_DEFAULT "user" +#define CONFIG_LOGON_TIME_DEFAULT "logon_time" +#define CONFIG_LOGOFF_TIME_DEFAULT "logoff_time" +#define CONFIG_KICKOFF_TIME_DEFAULT "kickoff_time" +#define CONFIG_PASS_LAST_SET_TIME_DEFAULT "pass_last_set_time" +#define CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT "pass_can_change_time" +#define CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT "pass_must_change_time" +#define CONFIG_USERNAME_DEFAULT "username" +#define CONFIG_DOMAIN_DEFAULT "domain" +#define CONFIG_NT_USERNAME_DEFAULT "nt_username" +#define CONFIG_FULLNAME_DEFAULT "nt_fullname" +#define CONFIG_HOME_DIR_DEFAULT "home_dir" +#define CONFIG_DIR_DRIVE_DEFAULT "dir_drive" +#define CONFIG_LOGON_SCRIPT_DEFAULT "logon_script" +#define CONFIG_PROFILE_PATH_DEFAULT "profile_path" +#define CONFIG_ACCT_DESC_DEFAULT "acct_desc" +#define CONFIG_WORKSTATIONS_DEFAULT "workstations" +#define CONFIG_UNKNOWN_STR_DEFAULT "unknown_str" +#define CONFIG_MUNGED_DIAL_DEFAULT "munged_dial" +#define CONFIG_UID_DEFAULT "uid" +#define CONFIG_GID_DEFAULT "gid" +#define CONFIG_USER_SID_DEFAULT "user_sid" +#define CONFIG_GROUP_SID_DEFAULT "group_sid" +#define CONFIG_LM_PW_DEFAULT "lm_pw" +#define CONFIG_NT_PW_DEFAULT "nt_pw" +#define CONFIG_PLAIN_PW_DEFAULT "NULL" +#define CONFIG_ACCT_CTRL_DEFAULT "acct_ctrl" +#define CONFIG_UNKNOWN_3_DEFAULT "unknown_3" +#define CONFIG_LOGON_DIVS_DEFAULT "logon_divs" +#define CONFIG_HOURS_LEN_DEFAULT "hours_len" +#define CONFIG_UNKNOWN_5_DEFAULT "unknown_5" +#define CONFIG_UNKNOWN_6_DEFAULT "unknown_6" +#define CONFIG_HOST_DEFAULT "localhost" +#define CONFIG_USER_DEFAULT "samba" +#define CONFIG_PASS_DEFAULT "" +#define CONFIG_PORT_DEFAULT "3306" +#define CONFIG_DB_DEFAULT "samba" + +static int mysqlsam_debug_level = DBGC_ALL; + +#undef DBGC_CLASS +#define DBGC_CLASS mysqlsam_debug_level + +typedef struct pdb_mysql_data { + MYSQL *handle; + MYSQL_RES *pwent; + const char *location; +} pdb_mysql_data; + +/* Used to construct insert and update queries */ + +typedef struct pdb_mysql_query { + char update; + TALLOC_CTX *mem_ctx; + char *part1; + char *part2; +} pdb_mysql_query; +#define SET_DATA(data,methods) { \ + if(!methods){ \ + DEBUG(0, ("invalid methods!\n")); \ + return NT_STATUS_INVALID_PARAMETER; \ + } \ + data = (struct pdb_mysql_data *)methods->private_data; \ + if(!data || !(data->handle)){ \ + DEBUG(0, ("invalid handle!\n")); \ + return NT_STATUS_INVALID_HANDLE; \ + } \ +} + +static void pdb_mysql_int_field(struct pdb_methods *m, + struct pdb_mysql_query *q, char *name, int value) +{ + if (!name || strchr(name, '\'')) + return; /* This field shouldn't be set by us */ + + if (q->update) { + q->part1 = + talloc_asprintf_append(q->mem_ctx, q->part1, + "%s = %d,", name, value); + } else { + q->part1 = + talloc_asprintf_append(q->mem_ctx, q->part1, "%s,", name); + q->part2 = + talloc_asprintf_append(q->mem_ctx, q->part2, "%d,", value); + } +} + +static NTSTATUS pdb_mysql_string_field(struct pdb_methods *methods, + struct pdb_mysql_query *q, + char *name, const char *value) +{ + char *esc_value; + struct pdb_mysql_data *data; + char *tmp_value; + + SET_DATA(data, methods); + + if (!name || !value || !strcmp(value, "") || strchr(name, '\'')) + return NT_STATUS_INVALID_PARAMETER; /* This field shouldn't be set by module */ + + esc_value = malloc(strlen(value) * 2 + 1); + + tmp_value = smb_xstrdup(value); + mysql_real_escape_string(data->handle, esc_value, tmp_value, + strlen(tmp_value)); + SAFE_FREE(tmp_value); + + if (q->update) { + q->part1 = + talloc_asprintf_append(q->mem_ctx, q->part1, + "%s = '%s',", name, esc_value); + } else { + q->part1 = + talloc_asprintf_append(q->mem_ctx, q->part1, "%s,", name); + q->part2 = + talloc_asprintf_append(q->mem_ctx, q->part2, "'%s',", + esc_value); + } + + SAFE_FREE(esc_value); + + return NT_STATUS_OK; +} + +static char * config_value(pdb_mysql_data * data, char *name, char *default_value) +{ + if (lp_parm_string(NULL, data->location, name)) + return lp_parm_string(NULL, data->location, name); + + return default_value; +} + +static char * config_value_write(pdb_mysql_data * data, char *name, char *default_value) { + char *v = config_value(data, name, NULL); + char *swrite; + + if (!v) + return default_value; + + swrite = strchr(v, ':'); + + /* Default to the same field as read field */ + if (!swrite) + return v; + + swrite++; + + /* If the field is 0 chars long, we shouldn't write to it */ + if (!strlen(swrite) || !strcmp(swrite, "NULL")) + return NULL; + + /* Otherwise, use the additionally specified */ + return swrite; +} + +static const char * config_value_read(pdb_mysql_data * data, char *name, char *default_value) +{ + char *v = config_value(data, name, NULL); + char *swrite; + + if (!v) + return default_value; + + swrite = strchr(v, ':'); + + /* If no write is specified, there are no problems */ + if (!swrite) { + if (strlen(v) == 0) + return "NULL"; + return v; + } + + /* Otherwise, we have to cut the ':write_part' */ + *swrite = '\0'; + if (strlen(v) == 0) + return "NULL"; + + return v; +} + +/* Wrapper for atol that returns 0 if 'a' points to NULL */ +static long xatol(char *a) +{ + long ret = 0; + + if (a != NULL) + ret = atol(a); + + return ret; +} + +static NTSTATUS row_to_sam_account(MYSQL_RES * r, SAM_ACCOUNT * u) +{ + MYSQL_ROW row; + pstring temp; + unsigned int num_fields; + DOM_SID sid; + + num_fields = mysql_num_fields(r); + row = mysql_fetch_row(r); + if (!row) + return NT_STATUS_INVALID_PARAMETER; + + pdb_set_logon_time(u, xatol(row[0]), PDB_SET); + pdb_set_logoff_time(u, xatol(row[1]), PDB_SET); + pdb_set_kickoff_time(u, xatol(row[2]), PDB_SET); + pdb_set_pass_last_set_time(u, xatol(row[3]), PDB_SET); + pdb_set_pass_can_change_time(u, xatol(row[4]), PDB_SET); + pdb_set_pass_must_change_time(u, xatol(row[5]), PDB_SET); + pdb_set_username(u, row[6], PDB_SET); + pdb_set_domain(u, row[7], PDB_SET); + pdb_set_nt_username(u, row[8], PDB_SET); + pdb_set_fullname(u, row[9], PDB_SET); + pdb_set_homedir(u, row[10], PDB_SET); + pdb_set_dir_drive(u, row[11], PDB_SET); + pdb_set_logon_script(u, row[12], PDB_SET); + pdb_set_profile_path(u, row[13], PDB_SET); + pdb_set_acct_desc(u, row[14], PDB_SET); + pdb_set_workstations(u, row[15], PDB_SET); + pdb_set_unknown_str(u, row[16], PDB_SET); + pdb_set_munged_dial(u, row[17], PDB_SET); + + if (row[18]) + pdb_set_uid(u, xatol(row[18]), PDB_SET); + if (row[19]) + pdb_set_gid(u, xatol(row[19]), PDB_SET); + + string_to_sid(&sid, row[20]); + pdb_set_user_sid(u, &sid, PDB_SET); + string_to_sid(&sid, row[21]); + pdb_set_group_sid(u, &sid, PDB_SET); + + if (pdb_gethexpwd(row[22], temp), PDB_SET) + pdb_set_lanman_passwd(u, temp, PDB_SET); + if (pdb_gethexpwd(row[23], temp), PDB_SET) + pdb_set_nt_passwd(u, temp, PDB_SET); + + /* Only use plaintext password storage when lanman and nt are + * NOT used */ + if (!row[22] || !row[23]) + pdb_set_plaintext_passwd(u, row[24]); + + pdb_set_acct_ctrl(u, xatol(row[25]), PDB_SET); + pdb_set_unknown_3(u, xatol(row[26]), PDB_SET); + pdb_set_logon_divs(u, xatol(row[27]), PDB_SET); + pdb_set_hours_len(u, xatol(row[28]), PDB_SET); + pdb_set_unknown_5(u, xatol(row[29]), PDB_SET); + pdb_set_unknown_6(u, xatol(row[30]), PDB_SET); + + return NT_STATUS_OK; +} + +static NTSTATUS mysqlsam_setsampwent(struct pdb_methods *methods, BOOL update) +{ + struct pdb_mysql_data *data = + (struct pdb_mysql_data *) methods->private_data; + char *query; + int ret; + + if (!data || !(data->handle)) { + DEBUG(0, ("invalid handle!\n")); + return NT_STATUS_INVALID_HANDLE; + } + + asprintf(&query, + "SELECT %s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s FROM %s", + config_value_read(data, "logon time column", + CONFIG_LOGON_TIME_DEFAULT), + config_value_read(data, "logoff time column", + CONFIG_LOGOFF_TIME_DEFAULT), + config_value_read(data, "kickoff time column", + CONFIG_KICKOFF_TIME_DEFAULT), + config_value_read(data, "pass last set time column", + CONFIG_PASS_LAST_SET_TIME_DEFAULT), + config_value_read(data, "pass can change time column", + CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT), + config_value_read(data, "pass must change time column", + CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT), + config_value_read(data, "username column", + CONFIG_USERNAME_DEFAULT), + config_value_read(data, "domain column", + CONFIG_DOMAIN_DEFAULT), + config_value_read(data, "nt username column", + CONFIG_NT_USERNAME_DEFAULT), + config_value_read(data, "fullname column", + CONFIG_FULLNAME_DEFAULT), + config_value_read(data, "home dir column", + CONFIG_HOME_DIR_DEFAULT), + config_value_read(data, "dir drive column", + CONFIG_DIR_DRIVE_DEFAULT), + config_value_read(data, "logon script column", + CONFIG_LOGON_SCRIPT_DEFAULT), + config_value_read(data, "profile path column", + CONFIG_PROFILE_PATH_DEFAULT), + config_value_read(data, "acct desc column", + CONFIG_ACCT_DESC_DEFAULT), + config_value_read(data, "workstations column", + CONFIG_WORKSTATIONS_DEFAULT), + config_value_read(data, "unknown string column", + CONFIG_UNKNOWN_STR_DEFAULT), + config_value_read(data, "munged dial column", + CONFIG_MUNGED_DIAL_DEFAULT), + config_value_read(data, "uid column", CONFIG_UID_DEFAULT), + config_value_read(data, "gid column", CONFIG_GID_DEFAULT), + config_value_read(data, "user sid column", + CONFIG_USER_SID_DEFAULT), + config_value_read(data, "group sid column", + CONFIG_GROUP_SID_DEFAULT), + config_value_read(data, "lanman pass column", + CONFIG_LM_PW_DEFAULT), + config_value_read(data, "nt pass column", + CONFIG_NT_PW_DEFAULT), + config_value_read(data, "plain pass column", + CONFIG_PLAIN_PW_DEFAULT), + config_value_read(data, "acct ctrl column", + CONFIG_ACCT_CTRL_DEFAULT), + config_value_read(data, "unknown 3 column", + CONFIG_UNKNOWN_3_DEFAULT), + config_value_read(data, "logon divs column", + CONFIG_LOGON_DIVS_DEFAULT), + config_value_read(data, "hours len column", + CONFIG_HOURS_LEN_DEFAULT), + config_value_read(data, "unknown 5 column", + CONFIG_UNKNOWN_5_DEFAULT), + config_value_read(data, "unknown 6 column", + CONFIG_UNKNOWN_6_DEFAULT), + config_value(data, "table", CONFIG_TABLE_DEFAULT) + ); + DEBUG(5, ("Executing query %s\n", query)); + + ret = mysql_query(data->handle, query); + SAFE_FREE(query); + + if (ret) { + DEBUG(0, + ("Error executing MySQL query %s\n", mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + data->pwent = mysql_store_result(data->handle); + + if (data->pwent == NULL) { + DEBUG(0, + ("Error storing results: %s\n", mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(5, + ("mysqlsam_setsampwent succeeded(%lu results)!\n", + mysql_num_rows(data->pwent))); + + return NT_STATUS_OK; +} + +/*************************************************************** + End enumeration of the passwd list. + ****************************************************************/ + +static void mysqlsam_endsampwent(struct pdb_methods *methods) +{ + struct pdb_mysql_data *data = + (struct pdb_mysql_data *) methods->private_data; + + if (data == NULL) { + DEBUG(0, ("invalid handle!\n")); + return; + } + + if (data->pwent != NULL) + mysql_free_result(data->pwent); + + data->pwent = NULL; + + DEBUG(5, ("mysql_endsampwent called\n")); +} + +/***************************************************************** + Get one SAM_ACCOUNT from the list (next in line) + *****************************************************************/ + +static NTSTATUS mysqlsam_getsampwent(struct pdb_methods *methods, SAM_ACCOUNT * user) +{ + struct pdb_mysql_data *data; + + SET_DATA(data, methods); + + if (data->pwent == NULL) { + DEBUG(0, ("invalid pwent\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + return row_to_sam_account(data->pwent, user); +} + +static NTSTATUS mysqlsam_select_by_field(struct pdb_methods * methods, SAM_ACCOUNT * user, + const char *field, const char *sname) +{ + char *esc_sname; + char *query; + NTSTATUS ret; + MYSQL_RES *res; + int mysql_ret; + struct pdb_mysql_data *data; + char *tmp_sname; + + SET_DATA(data, methods); + + esc_sname = malloc(strlen(sname) * 2 + 1); + if (!esc_sname) { + return NT_STATUS_NO_MEMORY; + } + + DEBUG(5, + ("mysqlsam_select_by_field: getting data where %s = %s(nonescaped)\n", + field, sname)); + + tmp_sname = smb_xstrdup(sname); + + /* Escape sname */ + mysql_real_escape_string(data->handle, esc_sname, tmp_sname, + strlen(tmp_sname)); + + SAFE_FREE(tmp_sname); + + if (user == NULL) { + DEBUG(0, ("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n")); + SAFE_FREE(esc_sname); + return NT_STATUS_INVALID_PARAMETER; + } + + asprintf(&query, + "SELECT %s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s FROM %s WHERE %s = '%s'", + config_value_read(data, "logon time column", + CONFIG_LOGON_TIME_DEFAULT), + config_value_read(data, "logoff time column", + CONFIG_LOGOFF_TIME_DEFAULT), + config_value_read(data, "kickoff time column", + CONFIG_KICKOFF_TIME_DEFAULT), + config_value_read(data, "pass last set time column", + CONFIG_PASS_LAST_SET_TIME_DEFAULT), + config_value_read(data, "pass can change time column", + CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT), + config_value_read(data, "pass must change time column", + CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT), + config_value_read(data, "username column", + CONFIG_USERNAME_DEFAULT), + config_value_read(data, "domain column", + CONFIG_DOMAIN_DEFAULT), + config_value_read(data, "nt username column", + CONFIG_NT_USERNAME_DEFAULT), + config_value_read(data, "fullname column", + CONFIG_FULLNAME_DEFAULT), + config_value_read(data, "home dir column", + CONFIG_HOME_DIR_DEFAULT), + config_value_read(data, "dir drive column", + CONFIG_DIR_DRIVE_DEFAULT), + config_value_read(data, "logon script column", + CONFIG_LOGON_SCRIPT_DEFAULT), + config_value_read(data, "profile path column", + CONFIG_PROFILE_PATH_DEFAULT), + config_value_read(data, "acct desc column", + CONFIG_ACCT_DESC_DEFAULT), + config_value_read(data, "workstations column", + CONFIG_WORKSTATIONS_DEFAULT), + config_value_read(data, "unknown string column", + CONFIG_UNKNOWN_STR_DEFAULT), + config_value_read(data, "munged dial column", + CONFIG_MUNGED_DIAL_DEFAULT), + config_value_read(data, "uid column", CONFIG_UID_DEFAULT), + config_value_read(data, "gid column", CONFIG_GID_DEFAULT), + config_value_read(data, "user sid column", + CONFIG_USER_SID_DEFAULT), + config_value_read(data, "group sid column", + CONFIG_GROUP_SID_DEFAULT), + config_value_read(data, "lanman pass column", + CONFIG_LM_PW_DEFAULT), + config_value_read(data, "nt pass column", + CONFIG_NT_PW_DEFAULT), + config_value_read(data, "plain pass column", + CONFIG_PLAIN_PW_DEFAULT), + config_value_read(data, "acct ctrl column", + CONFIG_ACCT_CTRL_DEFAULT), + config_value_read(data, "unknown 3 column", + CONFIG_UNKNOWN_3_DEFAULT), + config_value_read(data, "logon divs column", + CONFIG_LOGON_DIVS_DEFAULT), + config_value_read(data, "hours len column", + CONFIG_HOURS_LEN_DEFAULT), + config_value_read(data, "unknown 5 column", + CONFIG_UNKNOWN_5_DEFAULT), + config_value_read(data, "unknown 6 column", + CONFIG_UNKNOWN_6_DEFAULT), + config_value(data, "table", CONFIG_TABLE_DEFAULT), field, + esc_sname); + + SAFE_FREE(esc_sname); + + DEBUG(5, ("Executing query %s\n", query)); + + mysql_ret = mysql_query(data->handle, query); + + SAFE_FREE(query); + + if (mysql_ret) { + DEBUG(0, + ("Error while executing MySQL query %s\n", + mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + res = mysql_store_result(data->handle); + if (res == NULL) { + DEBUG(0, + ("Error storing results: %s\n", mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + ret = row_to_sam_account(res, user); + mysql_free_result(res); + + return ret; +} + +/****************************************************************** + Lookup a name in the SAM database + ******************************************************************/ + +static NTSTATUS mysqlsam_getsampwnam(struct pdb_methods *methods, SAM_ACCOUNT * user, + const char *sname) +{ + struct pdb_mysql_data *data; + + SET_DATA(data, methods); + + if (!sname) { + DEBUG(0, ("invalid name specified")); + return NT_STATUS_INVALID_PARAMETER; + } + + return mysqlsam_select_by_field(methods, user, + config_value_read(data, "username column", + CONFIG_USERNAME_DEFAULT), sname); +} + + +/*************************************************************************** + Search by sid + **************************************************************************/ + +static NTSTATUS mysqlsam_getsampwsid(struct pdb_methods *methods, SAM_ACCOUNT * user, + const DOM_SID * sid) +{ + struct pdb_mysql_data *data; + fstring sid_str; + + SET_DATA(data, methods); + + sid_to_string(sid_str, sid); + + return mysqlsam_select_by_field(methods, user, + config_value_read(data, "user sid column", + CONFIG_USER_SID_DEFAULT), sid_str); +} + +/*************************************************************************** + Delete a SAM_ACCOUNT + ****************************************************************************/ + +static NTSTATUS mysqlsam_delete_sam_account(struct pdb_methods *methods, + SAM_ACCOUNT * sam_pass) +{ + const char *sname = pdb_get_username(sam_pass); + char *esc; + char *query; + int ret; + struct pdb_mysql_data *data; + char *tmp_sname; + + SET_DATA(data, methods); + + if (!methods) { + DEBUG(0, ("invalid methods!\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + data = (struct pdb_mysql_data *) methods->private_data; + if (!data || !(data->handle)) { + DEBUG(0, ("invalid handle!\n")); + return NT_STATUS_INVALID_HANDLE; + } + + if (!sname) { + DEBUG(0, ("invalid name specified\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + /* Escape sname */ + esc = malloc(strlen(sname) * 2 + 1); + if (!esc) { + DEBUG(0, ("Can't allocate memory to store escaped name\n")); + return NT_STATUS_NO_MEMORY; + } + + tmp_sname = smb_xstrdup(sname); + + mysql_real_escape_string(data->handle, esc, tmp_sname, + strlen(tmp_sname)); + + SAFE_FREE(tmp_sname); + + asprintf(&query, "DELETE FROM %s WHERE %s = '%s'", + config_value(data, "table", CONFIG_TABLE_DEFAULT), + config_value_read(data, "username column", + CONFIG_USERNAME_DEFAULT), esc); + + SAFE_FREE(esc); + + ret = mysql_query(data->handle, query); + + SAFE_FREE(query); + + if (ret) { + DEBUG(0, + ("Error while executing query: %s\n", + mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(5, ("User '%s' deleted\n", sname)); + return NT_STATUS_OK; +} + +static NTSTATUS mysqlsam_replace_sam_account(struct pdb_methods *methods, + const SAM_ACCOUNT * newpwd, char isupdate) +{ + pstring temp; + struct pdb_mysql_data *data; + pdb_mysql_query query; + fstring sid_str; + + if (!methods) { + DEBUG(0, ("invalid methods!\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + data = (struct pdb_mysql_data *) methods->private_data; + if (data == NULL || data->handle == NULL) { + DEBUG(0, ("invalid handle!\n")); + return NT_STATUS_INVALID_HANDLE; + } + query.update = isupdate; + + /* I know this is somewhat overkill but only the talloc + * functions have asprint_append and the 'normal' asprintf + * is a GNU extension */ + query.mem_ctx = talloc_init("mysqlsam_replace_sam_account"); + query.part2 = talloc_asprintf(query.mem_ctx, "%s", ""); + if (query.update) { + query.part1 = + talloc_asprintf(query.mem_ctx, "UPDATE %s SET ", + config_value(data, "table", + CONFIG_TABLE_DEFAULT)); + } else { + query.part1 = + talloc_asprintf(query.mem_ctx, "INSERT INTO %s (", + config_value(data, "table", + CONFIG_TABLE_DEFAULT)); + } + + pdb_mysql_int_field(methods, &query, + config_value_write(data, "acct ctrl column", + CONFIG_ACCT_CTRL_DEFAULT), + pdb_get_acct_ctrl(newpwd)); + + if (pdb_get_init_flags(newpwd, PDB_LOGONTIME) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "logon time column", + CONFIG_LOGON_TIME_DEFAULT), + pdb_get_logon_time(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_LOGOFFTIME) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "logoff time column", + CONFIG_LOGOFF_TIME_DEFAULT), + pdb_get_logoff_time(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_KICKOFFTIME) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "kickoff time column", + CONFIG_KICKOFF_TIME_DEFAULT), + pdb_get_kickoff_time(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_CANCHANGETIME) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "pass can change time column", + CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT), + pdb_get_pass_can_change_time(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_MUSTCHANGETIME) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "pass must change time column", + CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT), + pdb_get_pass_must_change_time(newpwd)); + } + + if (pdb_get_pass_last_set_time(newpwd)) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "pass last set time column", + CONFIG_PASS_LAST_SET_TIME_DEFAULT), + pdb_get_pass_last_set_time(newpwd)); + } + + if (pdb_get_hours_len(newpwd)) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "hours len column", + CONFIG_HOURS_LEN_DEFAULT), + pdb_get_hours_len(newpwd)); + } + + if (pdb_get_logon_divs(newpwd)) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, + "logon divs column", + CONFIG_LOGON_DIVS_DEFAULT), + pdb_get_logon_divs(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_UID) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, "uid column", + CONFIG_UID_DEFAULT), + pdb_get_uid(newpwd)); + } + + if (pdb_get_init_flags(newpwd, PDB_GID) != PDB_DEFAULT) { + pdb_mysql_int_field(methods, &query, + config_value_write(data, "gid column", + CONFIG_GID_DEFAULT), + pdb_get_gid(newpwd)); + } + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "user sid column", + CONFIG_USER_SID_DEFAULT), + sid_to_string(sid_str, + pdb_get_user_sid(newpwd))); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "group sid column", + CONFIG_GROUP_SID_DEFAULT), + sid_to_string(sid_str, + pdb_get_group_sid(newpwd))); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "username column", + CONFIG_USERNAME_DEFAULT), + pdb_get_username(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "domain column", + CONFIG_DOMAIN_DEFAULT), + pdb_get_domain(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "nt username column", + CONFIG_NT_USERNAME_DEFAULT), + pdb_get_nt_username(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "fullname column", + CONFIG_FULLNAME_DEFAULT), + pdb_get_fullname(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "logon script column", + CONFIG_LOGON_SCRIPT_DEFAULT), + pdb_get_logon_script(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "profile path column", + CONFIG_PROFILE_PATH_DEFAULT), + pdb_get_profile_path(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "dir drive column", + CONFIG_DIR_DRIVE_DEFAULT), + pdb_get_dir_drive(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, "home dir column", + CONFIG_HOME_DIR_DEFAULT), + pdb_get_homedir(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "workstations column", + CONFIG_WORKSTATIONS_DEFAULT), + pdb_get_workstations(newpwd)); + + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "unknown string column", + CONFIG_UNKNOWN_STR_DEFAULT), + pdb_get_workstations(newpwd)); + + pdb_sethexpwd(temp, pdb_get_lanman_passwd(newpwd), + pdb_get_acct_ctrl(newpwd)); + pdb_mysql_string_field(methods, &query, + config_value_write(data, + "lanman pass column", + CONFIG_LM_PW_DEFAULT), temp); + + pdb_sethexpwd(temp, pdb_get_nt_passwd(newpwd), + pdb_get_acct_ctrl(newpwd)); + pdb_mysql_string_field(methods, &query, + config_value_write(data, "nt pass column", + CONFIG_NT_PW_DEFAULT), temp); + + if (query.update) { + query.part1[strlen(query.part1) - 1] = '\0'; + query.part1 = + talloc_asprintf_append(query.mem_ctx, query.part1, + " WHERE %s = '%s'", + config_value_read(data, + "user sid column", + CONFIG_USER_SID_DEFAULT), + sid_to_string(sid_str, pdb_get_user_sid (newpwd))); + } else { + query.part2[strlen(query.part2) - 1] = ')'; + query.part1[strlen(query.part1) - 1] = ')'; + query.part1 = + talloc_asprintf_append(query.mem_ctx, query.part1, + " VALUES (%s", query.part2); + } + + DEBUG(0, ("%s\n", query.part1)); + /* Execute the query */ + if (mysql_query(data->handle, query.part1)) { + DEBUG(0, + ("Error executing %s, %s\n", query.part1, + mysql_error(data->handle))); + return NT_STATUS_INVALID_PARAMETER; + } + talloc_destroy(query.mem_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS mysqlsam_add_sam_account(struct pdb_methods *methods, SAM_ACCOUNT * newpwd) +{ + return mysqlsam_replace_sam_account(methods, newpwd, 0); +} + +static NTSTATUS mysqlsam_update_sam_account(struct pdb_methods *methods, + SAM_ACCOUNT * newpwd) +{ + return mysqlsam_replace_sam_account(methods, newpwd, 1); +} + +static NTSTATUS mysqlsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map, + DOM_SID sid, BOOL with_priv) +{ + return get_group_map_from_sid(sid, map, with_priv) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map, + gid_t gid, BOOL with_priv) +{ + return get_group_map_from_gid(gid, map, with_priv) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, + char *name, BOOL with_priv) +{ + return get_group_map_from_ntname(name, map, with_priv) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_add_group_mapping_entry(struct pdb_methods *methods, + GROUP_MAP *map) +{ + return add_mapping_entry(map, TDB_INSERT) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_update_group_mapping_entry(struct pdb_methods *methods, + GROUP_MAP *map) +{ + return add_mapping_entry(map, TDB_REPLACE) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_delete_group_mapping_entry(struct pdb_methods *methods, + DOM_SID sid) +{ + return group_map_remove(sid) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS mysqlsam_enum_group_mapping(struct pdb_methods *methods, + enum SID_NAME_USE sid_name_use, + GROUP_MAP **rmap, int *num_entries, + BOOL unix_only, BOOL with_priv) +{ + return enum_group_mapping(sid_name_use, rmap, num_entries, unix_only, + with_priv) ? + NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + + +static NTSTATUS mysqlsam_init(struct pdb_context * pdb_context, struct pdb_methods ** pdb_method, + const char *location) +{ + NTSTATUS nt_status; + struct pdb_mysql_data *data; + + mysqlsam_debug_level = debug_add_class("mysqlsam"); + if (mysqlsam_debug_level == -1) { + mysqlsam_debug_level = DBGC_ALL; + DEBUG(0, + ("mysqlsam: Couldn't register custom debugging class!\n")); + } + + if (!pdb_context) { + DEBUG(0, ("invalid pdb_methods specified\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!NT_STATUS_IS_OK + (nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { + return nt_status; + } + + (*pdb_method)->name = "mysqlsam"; + + (*pdb_method)->setsampwent = mysqlsam_setsampwent; + (*pdb_method)->endsampwent = mysqlsam_endsampwent; + (*pdb_method)->getsampwent = mysqlsam_getsampwent; + (*pdb_method)->getsampwnam = mysqlsam_getsampwnam; + (*pdb_method)->getsampwsid = mysqlsam_getsampwsid; + (*pdb_method)->add_sam_account = mysqlsam_add_sam_account; + (*pdb_method)->update_sam_account = mysqlsam_update_sam_account; + (*pdb_method)->delete_sam_account = mysqlsam_delete_sam_account; + (*pdb_method)->getgrsid = mysqlsam_getgrsid; + (*pdb_method)->getgrgid = mysqlsam_getgrgid; + (*pdb_method)->getgrnam = mysqlsam_getgrnam; + (*pdb_method)->add_group_mapping_entry = mysqlsam_add_group_mapping_entry; + (*pdb_method)->update_group_mapping_entry = mysqlsam_update_group_mapping_entry; + (*pdb_method)->delete_group_mapping_entry = mysqlsam_delete_group_mapping_entry; + (*pdb_method)->enum_group_mapping = mysqlsam_enum_group_mapping; + + data = talloc(pdb_context->mem_ctx, sizeof(struct pdb_mysql_data)); + (*pdb_method)->private_data = data; + data->handle = NULL; + data->pwent = NULL; + + if (!location) { + DEBUG(0, ("No identifier specified. See README for details\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + data->location = smb_xstrdup(location); + + DEBUG(1, + ("Connecting to database server, host: %s, user: %s, password: %s, database: %s, port: %ld\n", + config_value(data, "mysql host", CONFIG_HOST_DEFAULT), + config_value(data, "mysql user", CONFIG_USER_DEFAULT), + config_value(data, "mysql password", CONFIG_PASS_DEFAULT), + config_value(data, "mysql database", CONFIG_DB_DEFAULT), + xatol(config_value(data, "mysql port", CONFIG_PORT_DEFAULT)))); + + /* Do the mysql initialization */ + data->handle = mysql_init(NULL); + if (!data->handle) { + DEBUG(0, ("Failed to connect to server\n")); + return NT_STATUS_UNSUCCESSFUL; + } + /* Process correct entry in $HOME/.my.conf */ + if (!mysql_real_connect(data->handle, + config_value(data, "mysql host", CONFIG_HOST_DEFAULT), + config_value(data, "mysql user", CONFIG_USER_DEFAULT), + config_value(data, "mysql password", CONFIG_PASS_DEFAULT), + config_value(data, "mysql database", CONFIG_DB_DEFAULT), + xatol(config_value (data, "mysql port", CONFIG_PORT_DEFAULT)), + NULL, 0)) { + DEBUG(0, + ("Failed to connect to mysql database: error: %s\n", + mysql_error(data->handle))); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(5, ("Connected to mysql db\n")); + + return NT_STATUS_OK; +} + +int init_module(void); + +int init_module() +{ + if(smb_register_passdb("mysql", mysqlsam_init, PASSDB_INTERFACE_VERSION)) + return 0; + + return 1; +} |