Annotation of mqtt/src/accmqtt.c, revision 1.2.2.1
1.2 misho 1: #include "global.h"
2:
3:
4: extern const char sql_schema[];
5:
6:
7: /*
8: * mqtt_rtlm_log() Log database connection message
9: *
10: * @fmt = format string
11: * @... = argument list
12: * return: none
13: */
14: static void
15: mqtt_rtlm_log(const char *fmt, ...)
16: {
17: va_list lst;
18:
19: va_start(lst, fmt);
20: vsyslog(LOG_ERR, fmt, lst);
21: va_end(lst);
22: }
23: #define MQTT_RTLM_LOG(_sql) (assert((_sql)), mqtt_rtlm_log("Error:: SQL #%d - %s", \
24: sqlite3_errcode((_sql)), sqlite3_errmsg((_sql))))
25:
26:
27: /*
28: * mqtt_rtlm_open() Open database connection
29: *
30: * @cfg = loaded config
31: * return: NULL error or SQL handle
32: */
33: sqlite3 *
1.2.2.1 ! misho 34: mqtt_rtlm_open(cfg_root_t *cfg)
1.2 misho 35: {
36: sqlite3 *sql = NULL;
37: const char *str = NULL;
38:
39: if (!cfg)
40: return NULL;
41:
42: if (!sqlite3_threadsafe() || sqlite3_config(SQLITE_CONFIG_SERIALIZED))
43: return NULL;
44:
1.2.2.1 ! misho 45: str = (const char*) cfg_getAttribute(cfg, "mqtt_acc", "name");
1.2 misho 46: if (!str) {
47: mqtt_rtlm_log("Error:: Unknown database name ...\n");
48: return NULL;
49: }
50:
51: if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL)) {
52: MQTT_RTLM_LOG(sql);
53: sqlite3_close(sql);
54: return NULL;
55: }
56:
57: if (sqlite3_exec(sql, sql_schema, NULL, NULL, NULL)) {
58: MQTT_RTLM_LOG(sql);
59: sqlite3_close(sql);
60: return NULL;
61: }
62: return sql;
63: }
64:
65: /*
66: * mqtt_rtlm_close() Close database connection
67: *
68: * @sql = SQL handle
69: * return: none
70: */
71: void
72: mqtt_rtlm_close(sqlite3 *sql)
73: {
74: sqlite3_close(sql);
75: }
76:
77: /*
78: * mqtt_rtlm_login() Verify login account
79: *
80: * @cfg = loaded config
81: * @sql = SQL handle
82: * @user = username
83: * @pass = password
84: * return: -1 error, 0 ALLOW and 1 REJECT
85: */
86: int
1.2.2.1 ! misho 87: mqtt_rtlm_login(cfg_root_t *cfg, sqlite3 *sql, const char *user, const char *pass)
1.2 misho 88: {
89: /* insert into Users values (NULL, "", "", 1, strftime('%s','now')); */
90: int ret = 0;
91: sqlite3_stmt *stmt;
92: char *str, szStmt[BUFSIZ] = { 0 };
93:
94: if (!sql)
95: return -1;
96:
1.2.2.1 ! misho 97: str = (char*) cfg_getAttribute(cfg, "mqtt_acc", "tbl_users");
1.2 misho 98: if (!str) {
99: mqtt_rtlm_log("Error:: not found users table name");
100: return -1;
101: }
102: snprintf(szStmt, sizeof szStmt, "SELECT DISTINCT Username, Password, Access FROM %s "
103: "WHERE Username = '%s' AND Password = '%s' AND Access > 0;", str, user, pass);
104:
105: if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) {
106: MQTT_RTLM_LOG(sql);
107: return -1;
108: }
109: while (sqlite3_step(stmt) == SQLITE_ROW) {
110: if (sqlite3_data_count(stmt) < 1)
111: ret = 0;
112: else
113: ret = 1;
114: break;
115: }
116: sqlite3_finalize(stmt);
117:
118: return ret;
119: }
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