1 | /* Licensed to the Apache Software Foundation (ASF) under one or more |
2 | * contributor license agreements. See the NOTICE file distributed with |
3 | * this work for additional information regarding copyright ownership. |
4 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
5 | * (the "License"); you may not use this file except in compliance with |
6 | * the License. You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | /** |
18 | * @file mod_include.h |
19 | * @brief Server Side Include Filter Extension Module for Apache |
20 | * |
21 | * @defgroup MOD_INCLUDE mod_include |
22 | * @ingroup APACHE_MODS |
23 | * @{ |
24 | */ |
25 | |
26 | #ifndef _MOD_INCLUDE_H |
27 | #define _MOD_INCLUDE_H 1 |
28 | |
29 | #include "apr_pools.h" |
30 | #include "apr_optional.h" |
31 | |
32 | /* |
33 | * Constants used for ap_ssi_get_tag_and_value's decode parameter |
34 | */ |
35 | #define SSI_VALUE_DECODED 1 |
36 | #define SSI_VALUE_RAW 0 |
37 | |
38 | /* |
39 | * Constants used for ap_ssi_parse_string's leave_name parameter |
40 | */ |
41 | #define SSI_EXPAND_LEAVE_NAME 1 |
42 | #define SSI_EXPAND_DROP_NAME 0 |
43 | |
44 | /* |
45 | * This macro creates a bucket which contains an error message and appends it |
46 | * to the current pass brigade |
47 | */ |
48 | #define SSI_CREATE_ERROR_BUCKET(ctx, f, bb) APR_BRIGADE_INSERT_TAIL((bb), \ |
49 | apr_bucket_pool_create : enter=0, leave=0
apr_bucket_pool_create : /usr/include/apr-1/apr_buckets.h line=1373 column=27
apr_bucket_pool_create(apr_pstrdup : enter=0, leave=0
apr_pstrdup : /usr/include/apr-1/apr_strings.h line=95 column=21
apr_pstrdup((ctx)-> : enter=0, leave=0 ->pool : modules/filters/mod_include.h line=71 column=18
pool, (ctx)-> : enter=0, leave=0 ->error_str : modules/filters/mod_include.h line=92 column=18
error_str), \ |
50 | strlen : enter=0, leave=0
strlen : /usr/include/string.h line=399 column=15
strlen((ctx)-> : enter=0, leave=0 ->error_str : modules/filters/mod_include.h line=92 column=18
error_str), (ctx)-> : enter=0, leave=0 ->pool : modules/filters/mod_include.h line=71 column=18
pool, \ |
51 | (f)-> : enter=0, leave=0 ->c : include/util_filter.h line=282 column=15
c-> : enter=0, leave=0 ->bucket_alloc : include/httpd.h line=1103 column=32
bucket_alloc)) |
52 | |
53 | /* |
54 | * These constants are used to set or clear flag bits. |
55 | */ |
56 | #define SSI_FLAG_PRINTING (1<< : pass=0 <<0) /* Printing conditional lines. */ |
57 | #define SSI_FLAG_COND_TRUE (1<< : pass=0 <<1) /* Conditional eval'd to true. */ |
58 | #define SSI_FLAG_SIZE_IN_BYTES (1<< : pass=0 <<2) /* Sizes displayed in bytes. */ |
59 | #define SSI_FLAG_NO_EXEC (1<< : pass=0 <<3) /* No Exec in current context. */ |
60 | |
61 | #define SSI_FLAG_SIZE_ABBREV (~ : pass=0 ~(SSI_FLAG_SIZE_IN_BYTES)) |
62 | #define SSI_FLAG_CLEAR_PRINT_COND (~ : pass=0 ~((SSI_FLAG_PRINTING) | : pass=0 | \ |
63 | (SSI_FLAG_COND_TRUE))) |
64 | #define SSI_FLAG_CLEAR_PRINTING (~ : pass=0 ~(SSI_FLAG_PRINTING)) |
65 | |
66 | /* |
67 | * The public SSI context structure |
68 | */ |
69 | typedef struct { |
70 | /* permanent pool, use this for creating bucket data */ |
71 | apr_pool_t *pool; |
72 | |
73 | /* temp pool; will be cleared after the execution of every directive */ |
74 | apr_pool_t *dpool; |
75 | |
76 | /* See the SSI_FLAG_XXXXX definitions. */ |
77 | int flags; |
78 | |
79 | /* nesting of *invisible* ifs */ |
80 | int if_nesting_level; |
81 | |
82 | /* if true, the current buffer will be passed down the filter chain before |
83 | * continuing with next input bucket and the variable will be reset to |
84 | * false. |
85 | */ |
86 | int flush_now; |
87 | |
88 | /* argument counter (of the current directive) */ |
89 | unsigned argc; |
90 | |
91 | /* currently configured error string */ |
92 | const char *error_str; |
93 | |
94 | /* currently configured time format */ |
95 | const char *time_str; |
96 | |
97 | /* pointer to internal (non-public) data, don't touch */ |
98 | struct ssi_internal_ctx *intern; |
99 | } include_ctx_t; |
100 | |
101 | typedef apr_status_t (include_handler_fn_t)(include_ctx_t *, ap_filter_t *, |
102 | apr_bucket_brigade *); |
103 | |
104 | APR_DECLARE_OPTIONAL_FN(void, ap_ssi_get_tag_and_value, |
105 | (include_ctx_t *ctx, char **tag, char **tag_val, |
106 | int dodecode)); |
107 | |
108 | APR_DECLARE_OPTIONAL_FN(char*, ap_ssi_parse_string, |
109 | (include_ctx_t *ctx, const char *in, char *out, |
110 | apr_size_t length, int leave_name)); |
111 | |
112 | APR_DECLARE_OPTIONAL_FN(void, ap_register_include_handler, |
113 | (char *tag, include_handler_fn_t *func)); |
114 | |
115 | #endif /* MOD_INCLUDE */ |
116 | /** @} */ |
117 | [EOF] |