1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* See the file NOTICE for conditions of use and distribution. */
9 #include "lf_functions.h"
14 /*************************************************
16 *************************************************/
18 /* See local README for interface description. */
21 sqlite_open(uschar
*filename
, uschar
**errmsg
)
26 ret
= sqlite3_open(CS filename
, &db
);
29 *errmsg
= (void *)sqlite3_errmsg(db
);
30 debug_printf_indent("Error opening database: %s\n", *errmsg
);
33 sqlite3_busy_timeout(db
, 1000 * sqlite_lock_timeout
);
38 /*************************************************
40 *************************************************/
42 /* See local README for interface description. */
45 sqlite_callback(void *arg
, int argc
, char **argv
, char **azColName
)
47 gstring
* res
= *(gstring
**)arg
;
49 /* For second and subsequent results, insert \n */
52 res
= string_catn(res
, US
"\n", 1);
56 /* For multiple fields, include the field name too */
57 for (int i
= 0; i
< argc
; i
++)
59 uschar
*value
= US((argv
[i
] != NULL
)? argv
[i
]:"<NULL>");
60 res
= lf_quote(US azColName
[i
], value
, Ustrlen(value
), res
);
65 res
= string_cat(res
, argv
[0] ? US argv
[0] : US
"<NULL>");
67 *(gstring
**)arg
= res
;
73 sqlite_find(void *handle
, uschar
*filename
, const uschar
*query
, int length
,
74 uschar
**result
, uschar
**errmsg
, uint
*do_cache
)
79 ret
= sqlite3_exec(handle
, CS query
, sqlite_callback
, &res
, (char **)errmsg
);
82 debug_printf_indent("sqlite3_exec failed: %s\n", *errmsg
);
86 if (!res
) *do_cache
= 0;
88 *result
= string_from_gstring(res
);
94 /*************************************************
96 *************************************************/
98 /* See local README for interface description. */
100 static void sqlite_close(void *handle
)
102 sqlite3_close(handle
);
107 /*************************************************
108 * Quote entry point *
109 *************************************************/
111 /* From what I have found so far, the only character that needs to be quoted
112 for sqlite is the single quote, and it is quoted by doubling.
115 s the string to be quoted
116 opt additional option text or NULL if none
118 Returns: the processed string or NULL for a bad option
122 sqlite_quote(uschar
*s
, uschar
*opt
)
129 if (opt
!= NULL
) return NULL
; /* No options recognized */
131 while ((c
= *t
++) != 0) if (c
== '\'') count
++;
133 if (count
== 0) return s
;
134 t
= quoted
= store_get(Ustrlen(s
) + count
+ 1, is_tainted(s
));
136 while ((c
= *s
++) != 0)
138 if (c
== '\'') *t
++ = '\'';
148 /*************************************************
149 * Version reporting entry point *
150 *************************************************/
152 /* See local README for interface description. */
154 #include "../version.h"
157 sqlite_version_report(FILE *f
)
159 fprintf(f
, "Library version: SQLite: Compile: %s\n"
161 SQLITE_VERSION
, sqlite3_libversion());
163 fprintf(f
, " Exim version %s\n", EXIM_VERSION_STR
);
167 static lookup_info _lookup_info
= {
168 US
"sqlite", /* lookup name */
169 lookup_absfilequery
, /* query-style lookup, starts with file name */
170 sqlite_open
, /* open function */
171 NULL
, /* no check function */
172 sqlite_find
, /* find function */
173 sqlite_close
, /* close function */
174 NULL
, /* no tidy function */
175 sqlite_quote
, /* quoting function */
176 sqlite_version_report
/* version reporting */
180 #define sqlite_lookup_module_info _lookup_module_info
183 static lookup_info
*_lookup_list
[] = { &_lookup_info
};
184 lookup_module_info sqlite_lookup_module_info
= { LOOKUP_MODULE_INFO_MAGIC
, _lookup_list
, 1 };
186 /* End of lookups/sqlite.c */