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
|
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "dso.h"
/* ***APRDOC********************************************************
* ap_status_t ap_dso_init(void)
* Initialize the underlying DSO library.
*/
ap_status_t ap_dso_init(void){
return APR_SUCCESS;
}
/* ***APRDOC********************************************************
* ap_status_t ap_dso_load(ap_dso_handle_t **res_handle, const char *path,
* ap_context_t *ctx)
* Load a DSO library.
* arg 1) Location to store new handle for the DSO.
* arg 2) Path to the DSO library
* arg 3) Context to use.
*/
ap_status_t ap_dso_load(ap_dso_handle_t **res_handle, const char *path,
ap_context_t *ctx)
{
#if defined(HPUX) || defined(HPUX10) || defined(HPUX11)
shl_t os_handle = shl_load(path, BIND_IMMEDIATE|BIND_VERBOSE|BIND_NOSTART, 0L);
#elif defined(OSF1) || defined(SEQUENT) ||\
(defined(__FreeBSD_version) && (__FreeBSD_version >= 220000))
void *os_handle = dlopen((char *)path, RTLD_NOW | RTLD_GLOBAL);
#else
void *os_handle = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
#endif
if(os_handle == NULL)
return APR_EDSOOPEN;
*res_handle = ap_pcalloc(ctx, sizeof(*res_handle));
(*res_handle)->handle = (void*)os_handle;
(*res_handle)->cont = ctx;
return APR_SUCCESS;
}
/* ***APRDOC********************************************************
* ap_status_t ap_dso_unload(ap_dso_handle_t *handle)
* Close a DSO library.
* arg 1) handle to close.
*/
ap_status_t ap_dso_unload(ap_dso_handle_t *handle)
{
#if defined(HPUX) || defined(HPUX10) || defined(HPUX11)
shl_unload((shl_t)handle->handle);
#else
if (dlclose(handle->handle) != 0)
return APR_EINIT;
#endif
return APR_SUCCESS;
}
/* ***APRDOC********************************************************
* ap_status_t ap_dso_sym(ap_dso_handle_sym_t *ressym, ap_dso_handle_t *handle
* const char *symname)
* Load a symbol from a DSO handle.
* arg 1) Location to store the loaded symbol
* arg 2) handle to load from.
* arg 3) Name of the symbol to load.
*/
ap_status_t ap_dso_sym(ap_dso_handle_sym_t *ressym,
ap_dso_handle_t *handle,
const char *symname)
{
#if defined(HPUX) || defined(HPUX10) || defined(HPUX11)
void *symaddr = NULL;
int status;
errno = 0;
status = shl_findsym((shl_t *)&handle->handle, symname, TYPE_PROCEDURE, &symaddr);
if (status == -1 && errno == 0) /* try TYPE_DATA instead */
status = shl_findsym((shl_t *)&handle->handle, symname, TYPE_DATA, &symaddr);
if (status = -1)
return APR_EINIT;
ressym = symaddr;
#elif defined(DLSYM_NEEDS_UNDERSCORE)
char *symbol = (char*)malloc(sizeof(char)*(strlen(symname)+2));
void *retval;
sprintf(symbol, "_%s", symname);
retval = dlsym(handle->handle, symbol);
free(symbol);
#elif defined(SEQUENT)
void *retval = dlsym(handle->handle, (char *)symname);
#else
void *retval = dlsym(handle->handle, symname);
#endif
if (retval == NULL)
return APR_EINIT;
ressym = retval;
return APR_SUCCESS;
}
|
