2 Bacula® - The Network Backup Solution
4 Copyright (C) 2007-2010 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation, which is
11 listed in the file LICENSE.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Application Programming Interface (API) definition for Bacula Plugins
31 * Kern Sibbald, October 2007
35 #ifndef __FD_PLUGINS_H
36 #define __FD_PLUGINS_H
40 /* Workaround for SGI IRIX 6.5 */
41 #define _LANGUAGE_C_PLUS_PLUS 1
44 #define _THREAD_SAFE 1
45 #define _POSIX_PTHREAD_SEMANTICS 1
46 #define _FILE_OFFSET_BITS 64
47 #define _LARGEFILE_SOURCE 1
48 #define _LARGE_FILES 1
49 #endif /* ! _BACULA_H */
51 #include <sys/types.h>
53 #if defined(HAVE_WIN32)
54 #if defined(HAVE_MINGW)
55 #include "mingwconfig.h"
57 #include "winconfig.h"
59 #else /* !HAVE_WIN32 */
67 #include "lib/plugins.h"
70 #include "../win32/filed/vss.h"
74 * This packet is used for the restore objects
75 * It is passed to the plugin when restoring
78 struct restore_object_pkt {
79 int32_t pkt_size; /* size of this packet */
80 char *object_name; /* Object name */
81 char *object; /* restore object data to save */
82 int32_t object_type; /* FT_xx for this file */
83 int32_t object_len; /* restore object length */
84 int32_t object_full_len; /* restore object uncompressed length */
85 int32_t object_index; /* restore object index */
86 int32_t object_compression; /* set to compression type */
87 int32_t stream; /* attribute stream id */
88 uint32_t JobId; /* JobId object came from */
89 int32_t pkt_end; /* end packet sentinel */
93 * This packet is used for file save info transfer.
96 int32_t pkt_size; /* size of this packet */
97 char *fname; /* Full path and filename */
98 char *link; /* Link name if any */
99 struct stat statp; /* System stat() packet for file */
100 int32_t type; /* FT_xx for this file */
101 uint32_t flags; /* Bacula internal flags */
102 bool portable; /* set if data format is portable */
103 char *cmd; /* command */
104 uint32_t delta_seq; /* Delta sequence number */
105 char *object_name; /* Object name to create */
106 char *object; /* restore object data to save */
107 int32_t object_len; /* restore object length */
108 int32_t index; /* restore object index */
109 int32_t pkt_end; /* end packet sentinel */
113 * This packet is used for file restore info transfer.
116 int32_t pkt_size; /* size of this packet */
117 int32_t stream; /* attribute stream id */
118 int32_t data_stream; /* id of data stream to follow */
119 int32_t type; /* file type FT */
120 int32_t file_index; /* file index */
121 int32_t LinkFI; /* file index to data if hard link */
122 uid_t uid; /* userid */
123 struct stat statp; /* decoded stat packet */
124 const char *attrEx; /* extended attributes if any */
125 const char *ofname; /* output filename */
126 const char *olname; /* output link name */
127 const char *where; /* where */
128 const char *RegexWhere; /* regex where */
129 int replace; /* replace flag */
130 int create_status; /* status from createFile() */
131 uint32_t delta_seq; /* Delta sequence number */
132 int32_t pkt_end; /* end packet sentinel */
144 int32_t pkt_size; /* Size of this packet */
145 int32_t func; /* Function code */
146 int32_t count; /* read/write count */
147 int32_t flags; /* Open flags */
148 mode_t mode; /* permissions for created files */
149 char *buf; /* read/write buffer */
150 const char *fname; /* open filename */
151 int32_t status; /* return status */
152 int32_t io_errno; /* errno code */
153 int32_t lerror; /* Win32 error code */
154 int32_t whence; /* lseek argument */
155 boffset_t offset; /* lseek argument */
156 bool win32; /* Win32 GetLastError returned */
157 int32_t pkt_end; /* end packet sentinel */
160 /****************************************************************************
162 * Bacula definitions *
164 ****************************************************************************/
166 /* Bacula Variable Ids */
179 bVarVssDllHandle = 12,
186 /* Events that are passed to plugin */
190 bEventStartBackupJob = 3,
191 bEventEndBackupJob = 4,
192 bEventStartRestoreJob = 5,
193 bEventEndRestoreJob = 6,
194 bEventStartVerifyJob = 7,
195 bEventEndVerifyJob = 8,
196 bEventBackupCommand = 9,
197 bEventRestoreCommand = 10,
200 bEventCancelCommand = 13, /* Executed by another thread */
201 bEventVssBackupAddComponents = 14,
202 bEventVssRestoreLoadComponentMetadata = 15,
203 bEventVssRestoreSetComponentsSelected = 16,
204 bEventRestoreObject = 17,
205 bEventEndFileSet = 18,
206 bEventPluginCommand = 19, /* Sent during FileSet creation */
207 bEventVssBeforeCloseRestore = 20,
208 bEventVssAddSnapshotLetters = 21 /* Can add drives to vss snap */
211 typedef struct s_bEvent {
215 typedef struct s_baculaInfo {
220 /* Bacula Core Routines -- not used within a plugin */
222 struct BFILE; /* forward referenced */
224 void load_fd_plugins(const char *plugin_dir);
225 void new_plugins(JCR *jcr);
226 void free_plugins(JCR *jcr);
227 void generate_plugin_event(JCR *jcr, bEventType event, void *value=NULL);
228 bool send_plugin_name(JCR *jcr, BSOCK *sd, bool start);
229 bool plugin_name_stream(JCR *jcr, char *name);
230 int plugin_create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace);
231 bool plugin_set_attributes(JCR *jcr, ATTR *attr, BFILE *ofd);
232 int plugin_save(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
233 bool plugin_check_file(JCR *jcr, char *fname);
241 * Bacula interface version and function pointers --
242 * i.e. callbacks from the plugin to Bacula
244 typedef struct s_baculaFuncs {
247 bRC (*registerBaculaEvents)(bpContext *ctx, ...);
248 bRC (*getBaculaValue)(bpContext *ctx, bVariable var, void *value);
249 bRC (*setBaculaValue)(bpContext *ctx, bVariable var, void *value);
250 bRC (*JobMessage)(bpContext *ctx, const char *file, int line,
251 int type, utime_t mtime, const char *fmt, ...);
252 bRC (*DebugMessage)(bpContext *ctx, const char *file, int line,
253 int level, const char *fmt, ...);
254 void *(*baculaMalloc)(bpContext *ctx, const char *file, int line,
256 void (*baculaFree)(bpContext *ctx, const char *file, int line, void *mem);
257 bRC (*AddExclude)(bpContext *ctx, const char *file);
258 bRC (*AddInclude)(bpContext *ctx, const char *file);
259 bRC (*AddOptions)(bpContext *ctx, const char *opts);
260 bRC (*AddRegex)(bpContext *ctx, const char *item, int type);
261 bRC (*AddWild)(bpContext *ctx, const char *item, int type);
262 bRC (*NewOptions)(bpContext *ctx);
263 bRC (*NewInclude)(bpContext *ctx);
264 bRC (*checkChanges)(bpContext *ctx, struct save_pkt *sp);
270 /****************************************************************************
272 * Plugin definitions *
274 ****************************************************************************/
282 #define FD_PLUGIN_MAGIC "*FDPluginData*"
283 #define FD_PLUGIN_INTERFACE_VERSION 5
285 typedef struct s_pluginInfo {
288 const char *plugin_magic;
289 const char *plugin_license;
290 const char *plugin_author;
291 const char *plugin_date;
292 const char *plugin_version;
293 const char *plugin_description;
297 * This is a set of function pointers that Bacula can call
300 typedef struct s_pluginFuncs {
303 bRC (*newPlugin)(bpContext *ctx);
304 bRC (*freePlugin)(bpContext *ctx);
305 bRC (*getPluginValue)(bpContext *ctx, pVariable var, void *value);
306 bRC (*setPluginValue)(bpContext *ctx, pVariable var, void *value);
307 bRC (*handlePluginEvent)(bpContext *ctx, bEvent *event, void *value);
308 bRC (*startBackupFile)(bpContext *ctx, struct save_pkt *sp);
309 bRC (*endBackupFile)(bpContext *ctx);
310 bRC (*startRestoreFile)(bpContext *ctx, const char *cmd);
311 bRC (*endRestoreFile)(bpContext *ctx);
312 bRC (*pluginIO)(bpContext *ctx, struct io_pkt *io);
313 bRC (*createFile)(bpContext *ctx, struct restore_pkt *rp);
314 bRC (*setFileAttributes)(bpContext *ctx, struct restore_pkt *rp);
315 bRC (*checkFile)(bpContext *ctx, char *fname);
318 #define plug_func(plugin) ((pFuncs *)(plugin->pfuncs))
319 #define plug_info(plugin) ((pInfo *)(plugin->pinfo))
325 #endif /* __FD_PLUGINS_H */