2 Bacula(R) - The Network Backup Solution
4 Copyright (C) 2000-2015 Kern Sibbald
6 The original author of Bacula is Kern Sibbald, with contributions
7 from many others, a complete list can be found in the file AUTHORS.
9 You may use this file and others of this release according to the
10 license defined in the LICENSE file, which includes the Affero General
11 Public License, v3.0 ("AGPLv3") and some additional permissions and
12 terms pursuant to its AGPLv3 Section 7.
14 This notice must be preserved when any source code is
15 conveyed and/or propagated.
17 Bacula(R) is a registered trademark of Kern Sibbald.
20 * Application Programming Interface (API) definition for Bacula Plugins
22 * Kern Sibbald, October 2007
26 #ifndef __FD_PLUGINS_H
27 #define __FD_PLUGINS_H
31 /* Workaround for SGI IRIX 6.5 */
32 #define _LANGUAGE_C_PLUS_PLUS 1
35 #define _THREAD_SAFE 1
36 #define _POSIX_PTHREAD_SEMANTICS 1
37 #define _FILE_OFFSET_BITS 64
38 #define _LARGEFILE_SOURCE 1
39 #define _LARGE_FILES 1
40 #endif /* ! _BACULA_H */
42 #include <sys/types.h>
44 #if defined(HAVE_WIN32)
45 #if defined(HAVE_MINGW)
46 #include "mingwconfig.h"
48 #include "winconfig.h"
50 #else /* !HAVE_WIN32 */
57 #include "../src/version.h"
59 #include "lib/plugins.h"
62 #include "../win32/filed/vss.h"
66 * This packet is used for the restore objects
67 * It is passed to the plugin when restoring
70 struct restore_object_pkt {
71 int32_t pkt_size; /* size of this packet */
72 char *object_name; /* Object name */
73 char *object; /* restore object data to save */
74 char *plugin_name; /* Plugin name */
75 int32_t object_type; /* FT_xx for this file */
76 int32_t object_len; /* restore object length */
77 int32_t object_full_len; /* restore object uncompressed length */
78 int32_t object_index; /* restore object index */
79 int32_t object_compression; /* set to compression type */
80 int32_t stream; /* attribute stream id */
81 uint32_t JobId; /* JobId object came from */
82 int32_t pkt_end; /* end packet sentinel */
86 * This packet is used for file save info transfer.
89 int32_t pkt_size; /* size of this packet */
90 char *fname; /* Full path and filename */
91 char *link; /* Link name if any */
92 struct stat statp; /* System stat() packet for file */
93 int32_t type; /* FT_xx for this file */
94 uint32_t flags; /* Bacula internal flags */
95 bool no_read; /* During the save, the file should not be saved */
96 bool portable; /* set if data format is portable */
97 bool accurate_found; /* Found in accurate list (valid after check_changes()) */
98 char *cmd; /* command */
99 uint32_t delta_seq; /* Delta sequence number */
100 char *object_name; /* Object name to create */
101 char *object; /* restore object data to save */
102 int32_t object_len; /* restore object length */
103 int32_t index; /* restore object index */
104 int32_t pkt_end; /* end packet sentinel */
108 * This packet is used for file restore info transfer.
111 int32_t pkt_size; /* size of this packet */
112 int32_t stream; /* attribute stream id */
113 int32_t data_stream; /* id of data stream to follow */
114 int32_t type; /* file type FT */
115 int32_t file_index; /* file index */
116 int32_t LinkFI; /* file index to data if hard link */
117 uid_t uid; /* userid */
118 struct stat statp; /* decoded stat packet */
119 const char *attrEx; /* extended attributes if any */
120 const char *ofname; /* output filename */
121 const char *olname; /* output link name */
122 const char *where; /* where */
123 const char *RegexWhere; /* regex where */
124 int replace; /* replace flag */
125 int create_status; /* status from createFile() */
126 uint32_t delta_seq; /* Delta sequence number */
127 int32_t pkt_end; /* end packet sentinel */
139 int32_t pkt_size; /* Size of this packet */
140 int32_t func; /* Function code */
141 int32_t count; /* read/write count */
142 int32_t flags; /* Open flags */
143 mode_t mode; /* permissions for created files */
144 char *buf; /* read/write buffer */
145 const char *fname; /* open filename */
146 int32_t status; /* return status */
147 int32_t io_errno; /* errno code */
148 int32_t lerror; /* Win32 error code */
149 int32_t whence; /* lseek argument */
150 boffset_t offset; /* lseek argument */
151 bool win32; /* Win32 GetLastError returned */
152 int32_t pkt_end; /* end packet sentinel */
155 /****************************************************************************
157 * Bacula definitions *
159 ****************************************************************************/
161 /* Bacula Variable Ids */
174 bVarVssDllHandle = 12,
182 bVarPrevJobName = 20,
183 bVarPrefixLinks = 21,
184 bVarInteractiveSession = 22
187 /* Events that are passed to plugin */
191 bEventStartBackupJob = 3,
192 bEventEndBackupJob = 4,
193 bEventStartRestoreJob = 5,
194 bEventEndRestoreJob = 6,
195 bEventStartVerifyJob = 7,
196 bEventEndVerifyJob = 8,
197 bEventBackupCommand = 9,
198 bEventRestoreCommand = 10,
199 bEventEstimateCommand = 11,
202 bEventCancelCommand = 14, /* Executed by another thread */
203 bEventVssBackupAddComponents = 15, /* Just before bEventVssPrepareSnapshot */
204 bEventVssRestoreLoadComponentMetadata = 16,
205 bEventVssRestoreSetComponentsSelected = 17,
206 bEventRestoreObject = 18,
207 bEventEndFileSet = 19,
208 bEventPluginCommand = 20, /* Sent during FileSet creation */
209 bEventVssBeforeCloseRestore = 21,
210 /* Add drives to VSS snapshot
211 * argument: char[27] drivelist
212 * You need to add them without duplicates,
213 * see fd_common.h add_drive() copy_drives() to get help
215 bEventVssPrepareSnapshot = 22,
216 bEventOptionPlugin = 23,
217 bEventHandleBackupFile = 24, /* Used with Options Plugin */
218 bEventComponentInfo = 25 /* Plugin component */
221 typedef struct s_bEvent {
225 typedef struct s_baculaInfo {
230 /* Bacula Core Routines -- not used within a plugin */
232 struct BFILE; /* forward referenced */
234 void load_fd_plugins(const char *plugin_dir);
235 void new_plugins(JCR *jcr);
236 void free_plugins(JCR *jcr);
237 void generate_plugin_event(JCR *jcr, bEventType event, void *value=NULL);
238 bool send_plugin_name(JCR *jcr, BSOCK *sd, bool start);
239 bool plugin_name_stream(JCR *jcr, char *name);
240 int plugin_create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace);
241 bool plugin_set_attributes(JCR *jcr, ATTR *attr, BFILE *ofd);
242 int plugin_save(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
243 int plugin_estimate(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
244 bool plugin_check_file(JCR *jcr, char *fname);
245 bRC plugin_option_handle_file(JCR *jcr, FF_PKT *ff_pkt, struct save_pkt *sp);
253 * Bacula interface version and function pointers --
254 * i.e. callbacks from the plugin to Bacula
256 typedef struct s_baculaFuncs {
259 bRC (*registerBaculaEvents)(bpContext *ctx, ...);
260 bRC (*getBaculaValue)(bpContext *ctx, bVariable var, void *value);
261 bRC (*setBaculaValue)(bpContext *ctx, bVariable var, void *value);
262 bRC (*JobMessage)(bpContext *ctx, const char *file, int line,
263 int type, utime_t mtime, const char *fmt, ...);
264 bRC (*DebugMessage)(bpContext *ctx, const char *file, int line,
265 int level, const char *fmt, ...);
266 void *(*baculaMalloc)(bpContext *ctx, const char *file, int line,
268 void (*baculaFree)(bpContext *ctx, const char *file, int line, void *mem);
269 bRC (*AddExclude)(bpContext *ctx, const char *file);
270 bRC (*AddInclude)(bpContext *ctx, const char *file);
271 bRC (*AddOptions)(bpContext *ctx, const char *opts);
272 bRC (*AddRegex)(bpContext *ctx, const char *item, int type);
273 bRC (*AddWild)(bpContext *ctx, const char *item, int type);
274 bRC (*NewOptions)(bpContext *ctx);
275 bRC (*NewInclude)(bpContext *ctx);
276 bRC (*NewPreInclude)(bpContext *ctx);
277 bRC (*checkChanges)(bpContext *ctx, struct save_pkt *sp);
278 bRC (*AcceptFile)(bpContext *ctx, struct save_pkt *sp); /* Need fname and statp */
284 /****************************************************************************
286 * Plugin definitions *
288 ****************************************************************************/
295 # define FD_PLUGIN_MAGIC "*FDPluginData*"
297 #define FD_PLUGIN_INTERFACE_VERSION ( 13 )
299 typedef struct s_pluginInfo {
302 const char *plugin_magic;
303 const char *plugin_license;
304 const char *plugin_author;
305 const char *plugin_date;
306 const char *plugin_version;
307 const char *plugin_description;
311 * This is a set of function pointers that Bacula can call
314 typedef struct s_pluginFuncs {
317 bRC (*newPlugin)(bpContext *ctx);
318 bRC (*freePlugin)(bpContext *ctx);
319 bRC (*getPluginValue)(bpContext *ctx, pVariable var, void *value);
320 bRC (*setPluginValue)(bpContext *ctx, pVariable var, void *value);
321 bRC (*handlePluginEvent)(bpContext *ctx, bEvent *event, void *value);
322 bRC (*startBackupFile)(bpContext *ctx, struct save_pkt *sp);
323 bRC (*endBackupFile)(bpContext *ctx);
324 bRC (*startRestoreFile)(bpContext *ctx, const char *cmd);
325 bRC (*endRestoreFile)(bpContext *ctx);
326 bRC (*pluginIO)(bpContext *ctx, struct io_pkt *io);
327 bRC (*createFile)(bpContext *ctx, struct restore_pkt *rp);
328 bRC (*setFileAttributes)(bpContext *ctx, struct restore_pkt *rp);
329 bRC (*checkFile)(bpContext *ctx, char *fname);
332 #define plug_func(plugin) ((pFuncs *)(plugin->pfuncs))
333 #define plug_info(plugin) ((pInfo *)(plugin->pinfo))
339 #endif /* __FD_PLUGINS_H */