1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* Copyright (c) 2002-2010 Dovecot Sieve authors, see the included COPYING file
*/
#include "lib.h"
#include "str.h"
#include "str-sanitize.h"
#include "array.h"
#include "sieve-common.h"
#include "sieve-ast.h"
#include "sieve-commands.h"
#include "sieve-code.h"
#include "sieve-validator.h"
#include "sieve-generator.h"
#include "sieve-dump.h"
#include "testsuite-common.h"
#include "testsuite-substitutions.h"
#include "testsuite-arguments.h"
#include <ctype.h>
/*
* Testsuite string argument
*/
static bool arg_testsuite_string_validate
(struct sieve_validator *validator, struct sieve_ast_argument **arg,
struct sieve_command *context);
const struct sieve_argument_def testsuite_string_argument = {
"@testsuite-string",
NULL,
arg_testsuite_string_validate,
NULL, NULL,
sieve_arg_catenated_string_generate,
};
static bool arg_testsuite_string_validate
(struct sieve_validator *valdtr, struct sieve_ast_argument **arg,
struct sieve_command *cmd)
{
enum { ST_NONE, ST_OPEN, ST_SUBSTITUTION, ST_PARAM, ST_CLOSE } state =
ST_NONE;
pool_t pool = sieve_ast_pool((*arg)->ast);
struct sieve_arg_catenated_string *catstr = NULL;
string_t *str = sieve_ast_argument_str(*arg);
const char *p, *strstart, *substart = NULL;
const char *strval = (const char *) str_data(str);
const char *strend = strval + str_len(str);
bool result = TRUE;
string_t *subs_name = t_str_new(256);
string_t *subs_param = t_str_new(256);
T_BEGIN {
/* Initialize substitution structure */
p = strval;
strstart = p;
while ( result && p < strend ) {
switch ( state ) {
/* Nothing found yet */
case ST_NONE:
if ( *p == '%' ) {
substart = p;
state = ST_OPEN;
str_truncate(subs_name, 0);
str_truncate(subs_param, 0);
}
p++;
break;
/* Got '%' */
case ST_OPEN:
if ( *p == '{' ) {
state = ST_SUBSTITUTION;
p++;
} else
state = ST_NONE;
break;
/* Got '%{' */
case ST_SUBSTITUTION:
state = ST_PARAM;
while ( *p != '}' && *p != ':' ) {
if ( !i_isalnum(*p) ) {
state = ST_NONE;
break;
}
str_append_c(subs_name, *p);
p++;
}
break;
/* Got '%{name' */
case ST_PARAM:
if ( *p == ':' ) {
p++;
while ( *p != '}' ) {
str_append_c(subs_param, *p);
p++;
}
}
state = ST_CLOSE;
break;
/* Finished parsing param, expecting '}' */
case ST_CLOSE:
if ( *p == '}' ) {
struct sieve_ast_argument *strarg;
/* We now know that the substitution is valid */
if ( catstr == NULL ) {
catstr = sieve_arg_catenated_string_create(*arg);
}
/* Add the substring that is before the substitution to the
* variable-string AST.
*/
if ( substart > strstart ) {
string_t *newstr = str_new(pool, substart - strstart);
str_append_n(newstr, strstart, substart - strstart);
strarg = sieve_ast_argument_string_create_raw
((*arg)->ast, newstr, (*arg)->source_line);
sieve_arg_catenated_string_add_element(catstr, strarg);
/* Give other substitution extensions a chance to do their work */
if ( !sieve_validator_argument_activate_super
(valdtr, cmd, strarg, FALSE) ) {
result = FALSE;
break;
}
}
strarg = testsuite_substitution_argument_create
(valdtr, (*arg)->ast, (*arg)->source_line, str_c(subs_name),
str_c(subs_param));
if ( strarg != NULL )
sieve_arg_catenated_string_add_element(catstr, strarg);
else {
sieve_argument_validate_error(valdtr, *arg,
"unknown testsuite substitution type '%s'", str_c(subs_name));
}
strstart = p + 1;
substart = strstart;
p++;
}
/* Finished, reset for the next substitution */
state = ST_NONE;
}
}
} T_END;
/* Bail out early if substitution is invalid */
if ( !result ) return FALSE;
/* Check whether any substitutions were found */
if ( catstr == NULL ) {
/* No substitutions in this string, pass it on to any other substution
* extension.
*/
return sieve_validator_argument_activate_super(valdtr, cmd, *arg, TRUE);
}
/* Add the final substring that comes after the last substitution to the
* variable-string AST.
*/
if ( strend > strstart ) {
struct sieve_ast_argument *strarg;
string_t *newstr = str_new(pool, strend - strstart);
str_append_n(newstr, strstart, strend - strstart);
strarg = sieve_ast_argument_string_create_raw
((*arg)->ast, newstr, (*arg)->source_line);
sieve_arg_catenated_string_add_element(catstr, strarg);
/* Give other substitution extensions a chance to do their work */
if ( !sieve_validator_argument_activate_super
(valdtr, cmd, strarg, FALSE) )
return FALSE;
}
return TRUE;
}
|
