-
Notifications
You must be signed in to change notification settings - Fork 149
/
XrdPosixLinkage.cc
307 lines (288 loc) · 14.6 KB
/
XrdPosixLinkage.cc
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
/******************************************************************************/
/* */
/* X r d P o s i x L i n k a g e . c c */
/* */
/* (c) 2005 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Department of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
// Bypass Solaris ELF madness
//
#ifdef __solaris__
#include <sys/isa_defs.h>
#if defined(_ILP32) && (_FILE_OFFSET_BITS != 32)
#undef _FILE_OFFSET_BITS
#define _FILE_OFFSET_BITS 32
#undef _LARGEFILE_SOURCE
#endif
#endif
#include <dlfcn.h>
#if !defined(__APPLE__) && !defined(__CYGWIN__)
#include <link.h>
#endif
#include <errno.h>
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdPosix/XrdPosixLinkage.hh"
/******************************************************************************/
/* G l o b a l D e c l a r a t i o n s */
/******************************************************************************/
XrdPosixLinkage Xunix;
/******************************************************************************/
/* M a c r o L o a d e r */
/******************************************************************************/
#define LOOKUP_UNIX(symb) symb = (Retv_ ## symb (*)(Args_ ## symb)) \
dlsym(RTLD_NEXT, Symb_ ## symb); \
if (!symb) {symb = Xrd_U_ ## symb; \
Missing(Symb_ ## symb);}
/******************************************************************************/
/* U n r e s o l v e d R e f e r e n c e L i n k a g e */
/******************************************************************************/
Retv_Access Xrd_U_Access(Args_Access)
{return (Retv_Access)Xunix.Load_Error("access");}
Retv_Acl Xrd_U_Acl(Args_Acl)
{return (Retv_Acl)Xunix.Load_Error("acl");}
Retv_Chdir Xrd_U_Chdir(Args_Chdir)
{return (Retv_Chdir)Xunix.Load_Error("chdir");}
Retv_Close Xrd_U_Close(Args_Close)
{return (Retv_Close)Xunix.Load_Error("close");}
Retv_Closedir Xrd_U_Closedir(Args_Closedir)
{return (Retv_Closedir)Xunix.Load_Error("closedir");}
Retv_Fclose Xrd_U_Fclose(Args_Fclose)
{return (Retv_Fclose)Xunix.Load_Error("fclose");}
Retv_Fcntl Xrd_U_Fcntl(Args_Fcntl)
{Xunix.Load_Error("fcntl"); return (Retv_Fcntl)0;}
Retv_Fcntl64 Xrd_U_Fcntl64(Args_Fcntl64)
{Xunix.Load_Error("fcntl"); return (Retv_Fcntl64)0;}
Retv_Fdatasync Xrd_U_Fdatasync(Args_Fdatasync)
{return (Retv_Fdatasync)Xunix.Load_Error("fdatasync");}
Retv_Fflush Xrd_U_Fflush(Args_Fflush)
{return (Retv_Fflush)Xunix.Load_Error("fflush");}
Retv_Fopen Xrd_U_Fopen(Args_Fopen)
{Xunix.Load_Error("fopen"); return (Retv_Fopen)0;}
Retv_Fopen64 Xrd_U_Fopen64(Args_Fopen64)
{Xunix.Load_Error("fopen"); return (Retv_Fopen64)0;}
Retv_Fread Xrd_U_Fread(Args_Fread)
{return (Retv_Fread)Xunix.Load_Error("fread");}
Retv_Fseek Xrd_U_Fseek(Args_Fseek)
{return (Retv_Fseek)Xunix.Load_Error("fseek");}
Retv_Fseeko Xrd_U_Fseeko(Args_Fseeko)
{return (Retv_Fseeko)Xunix.Load_Error("fseeko");}
Retv_Fseeko64 Xrd_U_Fseeko64(Args_Fseeko64)
{return (Retv_Fseeko64)Xunix.Load_Error("fseeko64");}
Retv_Fstat Xrd_U_Fstat(Args_Fstat)
{return (Retv_Fstat)Xunix.Load_Error("fstat");}
Retv_Fstat64 Xrd_U_Fstat64(Args_Fstat64)
{return (Retv_Fstat64)Xunix.Load_Error("fstat64");}
Retv_Fsync Xrd_U_Fsync(Args_Fsync)
{return (Retv_Fsync)Xunix.Load_Error("fsync");}
Retv_Ftell Xrd_U_Ftell(Args_Ftell)
{return (Retv_Ftell)Xunix.Load_Error("ftell");}
Retv_Ftello Xrd_U_Ftello(Args_Ftello)
{return (Retv_Ftello)Xunix.Load_Error("ftello");}
Retv_Ftello64 Xrd_U_Ftello64(Args_Ftello64)
{return (Retv_Ftello64)Xunix.Load_Error("ftello64");}
Retv_Ftruncate Xrd_U_Ftruncate(Args_Ftruncate)
{return (Retv_Ftruncate)Xunix.Load_Error("ftruncate");}
Retv_Ftruncate64 Xrd_U_Ftruncate64(Args_Ftruncate64)
{return (Retv_Ftruncate64)Xunix.Load_Error("ftruncate64");}
Retv_Fwrite Xrd_U_Fwrite(Args_Fwrite)
{return (Retv_Fwrite)Xunix.Load_Error("fwrite");}
Retv_Fgetxattr Xrd_U_Fgetxattr(Args_Fgetxattr)
{return (Retv_Fgetxattr)Xunix.Load_Error("fgetxattr");}
Retv_Getxattr Xrd_U_Getxattr(Args_Getxattr)
{return (Retv_Getxattr)Xunix.Load_Error("getxattr");}
Retv_Lgetxattr Xrd_U_Lgetxattr(Args_Lgetxattr)
{return (Retv_Lgetxattr)Xunix.Load_Error("lgetxattr");}
Retv_Lseek Xrd_U_Lseek(Args_Lseek)
{return (Retv_Lseek)Xunix.Load_Error("lseek");}
Retv_Lseek64 Xrd_U_Lseek64(Args_Lseek64)
{return (Retv_Lseek64)Xunix.Load_Error("lseek");}
Retv_Lstat Xrd_U_Lstat(Args_Lstat)
{return (Retv_Lstat)Xunix.Load_Error("lstat");}
Retv_Lstat64 Xrd_U_Lstat64(Args_Lstat64)
{return (Retv_Lstat64)Xunix.Load_Error("lstat");}
Retv_Mkdir Xrd_U_Mkdir(Args_Mkdir)
{return (Retv_Mkdir)Xunix.Load_Error("mkdir");}
Retv_Open Xrd_U_Open(Args_Open)
{return (Retv_Open)Xunix.Load_Error("open");}
Retv_Open64 Xrd_U_Open64(Args_Open64)
{return (Retv_Open64)Xunix.Load_Error("open");}
Retv_Opendir Xrd_U_Opendir(Args_Opendir)
{Xunix.Load_Error("opendir"); return (Retv_Opendir)0;}
Retv_Pathconf Xrd_U_Pathconf(Args_Pathconf)
{return (Retv_Pathconf)Xunix.Load_Error("pathconf");}
Retv_Pread Xrd_U_Pread(Args_Pread)
{return (Retv_Pread)Xunix.Load_Error("pread");}
Retv_Pread64 Xrd_U_Pread64(Args_Pread64)
{return (Retv_Pread64)Xunix.Load_Error("pread");}
Retv_Pwrite Xrd_U_Pwrite(Args_Pwrite)
{return (Retv_Pwrite)Xunix.Load_Error("pwrite");}
Retv_Pwrite64 Xrd_U_Pwrite64(Args_Pwrite64)
{return (Retv_Pwrite64)Xunix.Load_Error("pwrite");}
Retv_Read Xrd_U_Read(Args_Read)
{return (Retv_Read)Xunix.Load_Error("read");}
Retv_Readv Xrd_U_Readv(Args_Readv)
{return (Retv_Readv)Xunix.Load_Error("readv");}
Retv_Readdir Xrd_U_Readdir(Args_Readdir)
{Xunix.Load_Error("readdir"); return (Retv_Readdir)0;}
Retv_Readdir64 Xrd_U_Readdir64(Args_Readdir64)
{Xunix.Load_Error("readdir64");return (Retv_Readdir64)0;}
Retv_Readdir_r Xrd_U_Readdir_r(Args_Readdir_r)
{return (Retv_Readdir_r)Xunix.Load_Error("readdir_r", ELIBACC);}
Retv_Readdir64_r Xrd_U_Readdir64_r(Args_Readdir64_r)
{return (Retv_Readdir64_r)Xunix.Load_Error("readdir64_r", ELIBACC);}
Retv_Rename Xrd_U_Rename(Args_Rename)
{return (Retv_Rename)Xunix.Load_Error("rename");}
Retv_Rewinddir Xrd_U_Rewinddir(Args_Rewinddir)
{ Xunix.Load_Error("rewinddir"); abort();}
Retv_Rmdir Xrd_U_Rmdir(Args_Rmdir)
{return (Retv_Rmdir)Xunix.Load_Error("rmdir");}
Retv_Seekdir Xrd_U_Seekdir(Args_Seekdir)
{ Xunix.Load_Error("seekdir"); abort();}
Retv_Stat Xrd_U_Stat(Args_Stat)
{return (Retv_Stat)Xunix.Load_Error("stat");}
Retv_Stat64 Xrd_U_Stat64(Args_Stat64)
{return (Retv_Stat64)Xunix.Load_Error("stat");}
Retv_Statfs Xrd_U_Statfs(Args_Statfs)
{return (Retv_Statfs)Xunix.Load_Error("statfs");}
Retv_Statfs64 Xrd_U_Statfs64(Args_Statfs64)
{return (Retv_Statfs64)Xunix.Load_Error("statfs64");}
Retv_Statvfs Xrd_U_Statvfs(Args_Statvfs)
{return (Retv_Statvfs)Xunix.Load_Error("statvfs");}
Retv_Statvfs64 Xrd_U_Statvfs64(Args_Statvfs64)
{return (Retv_Statvfs64)Xunix.Load_Error("statvfs64");}
Retv_Telldir Xrd_U_Telldir(Args_Telldir)
{return (Retv_Telldir)Xunix.Load_Error("telldir");}
Retv_Truncate Xrd_U_Truncate(Args_Truncate)
{return (Retv_Truncate)Xunix.Load_Error("truncate");}
Retv_Truncate64 Xrd_U_Truncate64(Args_Truncate64)
{return (Retv_Truncate64)Xunix.Load_Error("truncate64");}
Retv_Unlink Xrd_U_Unlink(Args_Unlink)
{return (Retv_Unlink)Xunix.Load_Error("unlink");}
Retv_Write Xrd_U_Write(Args_Write)
{return (Retv_Write)Xunix.Load_Error("write");}
Retv_Writev Xrd_U_Writev(Args_Writev)
{return (Retv_Writev)Xunix.Load_Error("writev");}
/******************************************************************************/
/* X r d P o s i x L i n k a g e C o n s t r u c t o r */
/******************************************************************************/
int XrdPosixLinkage::Resolve()
{
LOOKUP_UNIX(Access)
LOOKUP_UNIX(Acl)
LOOKUP_UNIX(Chdir)
LOOKUP_UNIX(Close)
LOOKUP_UNIX(Closedir)
LOOKUP_UNIX(Fclose)
LOOKUP_UNIX(Fcntl)
LOOKUP_UNIX(Fcntl64)
LOOKUP_UNIX(Fdatasync)
LOOKUP_UNIX(Fflush)
LOOKUP_UNIX(Fopen)
LOOKUP_UNIX(Fopen64)
LOOKUP_UNIX(Fread)
LOOKUP_UNIX(Fseek)
LOOKUP_UNIX(Fseeko)
LOOKUP_UNIX(Fseeko64)
LOOKUP_UNIX(Fstat)
LOOKUP_UNIX(Fstat64)
LOOKUP_UNIX(Fsync)
LOOKUP_UNIX(Ftell)
LOOKUP_UNIX(Ftello)
LOOKUP_UNIX(Ftello64)
LOOKUP_UNIX(Ftruncate)
LOOKUP_UNIX(Ftruncate64)
LOOKUP_UNIX(Fwrite)
LOOKUP_UNIX(Fgetxattr)
LOOKUP_UNIX(Getxattr)
LOOKUP_UNIX(Lgetxattr)
LOOKUP_UNIX(Lseek)
LOOKUP_UNIX(Lseek64)
LOOKUP_UNIX(Lstat)
LOOKUP_UNIX(Lstat64)
LOOKUP_UNIX(Fsync)
LOOKUP_UNIX(Mkdir)
LOOKUP_UNIX(Open)
LOOKUP_UNIX(Open64)
LOOKUP_UNIX(Opendir)
LOOKUP_UNIX(Pathconf)
LOOKUP_UNIX(Pread)
LOOKUP_UNIX(Pread64)
LOOKUP_UNIX(Pwrite)
LOOKUP_UNIX(Pwrite64)
LOOKUP_UNIX(Read)
LOOKUP_UNIX(Readv)
LOOKUP_UNIX(Readdir)
LOOKUP_UNIX(Readdir64)
LOOKUP_UNIX(Readdir_r)
LOOKUP_UNIX(Readdir64_r)
LOOKUP_UNIX(Rename)
LOOKUP_UNIX(Rewinddir)
LOOKUP_UNIX(Rmdir)
LOOKUP_UNIX(Seekdir)
LOOKUP_UNIX(Stat)
LOOKUP_UNIX(Stat64)
LOOKUP_UNIX(Statfs)
LOOKUP_UNIX(Statfs64)
LOOKUP_UNIX(Statvfs)
LOOKUP_UNIX(Statvfs64)
LOOKUP_UNIX(Telldir)
LOOKUP_UNIX(Truncate)
LOOKUP_UNIX(Truncate64)
LOOKUP_UNIX(Unlink)
LOOKUP_UNIX(Write)
LOOKUP_UNIX(Writev)
if (getenv("XRDPOSIX_REPORT")) Missing(0);
return 1;
}
/******************************************************************************/
/* X r d P o s i x L i n k a g e : : L o a d _ E r r o r */
/******************************************************************************/
int XrdPosixLinkage::Load_Error(const char *epname, int retv)
{
if (*Write != &Xrd_U_Write && *Writev != &Xrd_U_Writev)
cerr << "PosixPreload: Unable to resolve Unix '" <<epname <<"()'" <<endl;
errno = ELIBACC;
return retv;
}
/******************************************************************************/
/* M i s s i n g */
/******************************************************************************/
void XrdPosixLinkage::Missing(const char *epname)
{
struct Missing
{struct Missing *Next;
const char *What;
Missing(Missing *Prev, const char *That)
: Next(Prev), What(That) {}
~Missing() {}
};
static Missing *epList = 0;
if (epname) epList = new Missing(epList, epname);
else {Missing *np = epList;
while(np) cerr << "PosixPreload: Unable to resolve Unix '"
<<np->What <<"()'" <<endl;
np = np->Next;
}
}