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
|
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr_arch_dso.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include <library.h>
#include <unistd.h>
APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
apr_os_dso_handle_t osdso,
apr_pool_t *pool)
{
*aprdso = apr_pcalloc(pool, sizeof **aprdso);
(*aprdso)->handle = osdso;
(*aprdso)->pool = pool;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
apr_dso_handle_t *aprdso)
{
*osdso = aprdso->handle;
return APR_SUCCESS;
}
static apr_status_t dso_cleanup(void *thedso)
{
apr_dso_handle_t *dso = thedso;
sym_list *symbol = NULL;
void *NLMHandle = getnlmhandle();
if (dso->handle == NULL)
return APR_SUCCESS;
if (dso->symbols != NULL) {
symbol = dso->symbols;
while (symbol) {
UnImportPublicObject(NLMHandle, symbol->symbol);
symbol = symbol->next;
}
}
if (dlclose(dso->handle) != 0)
return APR_EINIT;
dso->handle = NULL;
dso->symbols = NULL;
dso->path = NULL;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
const char *path, apr_pool_t *pool)
{
void *os_handle = NULL;
char *fullpath = NULL;
apr_status_t rv;
if ((rv = apr_filepath_merge(&fullpath, NULL, path,
APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
return rv;
}
os_handle = dlopen(fullpath, RTLD_NOW | RTLD_LOCAL);
*res_handle = apr_pcalloc(pool, sizeof(**res_handle));
if(os_handle == NULL) {
(*res_handle)->errormsg = dlerror();
return APR_EDSOOPEN;
}
(*res_handle)->handle = (void*)os_handle;
(*res_handle)->pool = pool;
(*res_handle)->errormsg = NULL;
(*res_handle)->symbols = NULL;
(*res_handle)->path = apr_pstrdup(pool, fullpath);
apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
{
return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
}
APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
apr_dso_handle_t *handle,
const char *symname)
{
sym_list *symbol = NULL;
void *retval = dlsym(handle->handle, symname);
if (retval == NULL) {
handle->errormsg = dlerror();
return APR_ESYMNOTFOUND;
}
symbol = apr_pcalloc(handle->pool, sizeof(sym_list));
symbol->next = handle->symbols;
handle->symbols = symbol;
symbol->symbol = apr_pstrdup(handle->pool, symname);
*ressym = retval;
return APR_SUCCESS;
}
APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer,
apr_size_t buflen)
{
if (dso->errormsg) {
apr_cpystrn(buffer, dso->errormsg, buflen);
return dso->errormsg;
}
return "No Error";
}
|
