summaryrefslogtreecommitdiff
path: root/usr.bin/cvs/cvs.h
blob: 8ca318c9a906d73c84e261a3d2aa993b05d1e77a (plain)
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
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
/*	$OpenBSD: cvs.h,v 1.46 2005/03/24 01:03:41 joris Exp $	*/
/*
 * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
 */

#ifndef CVS_H
#define CVS_H

#include <sys/param.h>
#include <stdio.h>
#include <dirent.h>

#include "rcs.h"
#include "file.h"

#define CVS_VERSION_MAJOR 0
#define CVS_VERSION_MINOR 2
#define CVS_VERSION       "OpenCVS 0.2"


#define CVS_HIST_CACHE     128
#define CVS_HIST_NBFLD     6


#define CVS_CKSUM_LEN      33     /* length of a CVS checksum string */


/* operations */
#define CVS_OP_UNKNOWN      0
#define CVS_OP_ADD          1
#define CVS_OP_ADMIN        2
#define CVS_OP_ANNOTATE     3
#define CVS_OP_CHECKOUT     4
#define CVS_OP_COMMIT       5
#define CVS_OP_DIFF         6
#define CVS_OP_EDIT         7
#define CVS_OP_EDITORS      8
#define CVS_OP_EXPORT       9
#define CVS_OP_HISTORY     10 
#define CVS_OP_IMPORT      11
#define CVS_OP_INIT        12
#define CVS_OP_LOG         13
#define CVS_OP_RANNOTATE   14
#define CVS_OP_RDIFF       15
#define CVS_OP_RELEASE     16
#define CVS_OP_REMOVE      17
#define CVS_OP_RLOG        18
#define CVS_OP_RTAG        19
#define CVS_OP_SERVER      20
#define CVS_OP_STATUS      21
#define CVS_OP_TAG         22
#define CVS_OP_UNEDIT      23
#define CVS_OP_UPDATE      24
#define CVS_OP_VERSION     25
#define CVS_OP_WATCH       26
#define CVS_OP_WATCHERS    27

#define CVS_OP_ANY         64     /* all operations */


/* methods */
#define CVS_METHOD_NONE       0
#define CVS_METHOD_LOCAL      1    /* local access */
#define CVS_METHOD_SERVER     2    /* tunnel through CVS_RSH */
#define CVS_METHOD_PSERVER    3    /* cvs pserver */
#define CVS_METHOD_KSERVER    4    /* kerberos */
#define CVS_METHOD_GSERVER    5    /* gssapi server */
#define CVS_METHOD_EXT        6
#define CVS_METHOD_FORK       7    /* local but fork */

#define CVS_CMD_MAXNAMELEN   16
#define CVS_CMD_MAXALIAS      2
#define CVS_CMD_MAXDESCRLEN  64
#define CVS_CMD_MAXARG      128


/* defaults */
#define CVS_SERVER_DEFAULT  "cvs"
#define CVS_RSH_DEFAULT     "ssh"
#define CVS_EDITOR_DEFAULT  "vi"


/* server-side paths */
#define CVS_PATH_ROOT         "CVSROOT"
#define CVS_PATH_COMMITINFO   CVS_PATH_ROOT "/commitinfo"
#define CVS_PATH_CONFIG       CVS_PATH_ROOT "/config"
#define CVS_PATH_CVSIGNORE    CVS_PATH_ROOT "/cvsignore"
#define CVS_PATH_CVSWRAPPERS  CVS_PATH_ROOT "/cvswrappers"
#define CVS_PATH_EDITINFO     CVS_PATH_ROOT "/editinfo"
#define CVS_PATH_HISTORY      CVS_PATH_ROOT "/history"
#define CVS_PATH_LOGINFO      CVS_PATH_ROOT "/loginfo"
#define CVS_PATH_MODULES      CVS_PATH_ROOT "/modules"
#define CVS_PATH_NOTIFY       CVS_PATH_ROOT "/notify"
#define CVS_PATH_RCSINFO      CVS_PATH_ROOT "/rcsinfo"
#define CVS_PATH_TAGINFO      CVS_PATH_ROOT "/taginfo"
#define CVS_PATH_VERIFYMSG    CVS_PATH_ROOT "/verifymsg"


/* client-side paths */
#define CVS_PATH_RC             ".cvsrc"
#define CVS_PATH_CVSDIR         "CVS"
#define CVS_PATH_ENTRIES        CVS_PATH_CVSDIR "/Entries"
#define CVS_PATH_STATICENTRIES  CVS_PATH_CVSDIR "/Entries.Static"
#define CVS_PATH_LOGENTRIES     CVS_PATH_CVSDIR "/Entries.Log"
#define CVS_PATH_ROOTSPEC       CVS_PATH_CVSDIR "/Root"
#define CVS_PATH_REPOSITORY     CVS_PATH_CVSDIR "/Repository"

struct cvs_cmd_info {
	/* parses the options for the command */
	int (*cmd_options)(char *, int, char **, int *);

	/* send command specific flags (CVS_METHOD_REMOTE only) */
	int (*cmd_sendflags)(struct cvsroot *);

	/* callback to be used for cvs_file_examine() */
	int (*cmd_examine)(CVSFILE *, void *);

	/* called after everything is done */
	int (*cmd_cleanup)(void);

	/* helper function, gets called after cvs_file_get()
	 * to do command specific operations if needed.
	 */
	int (*cmd_helper)(void);

	/* flags for cvs_file_get() */
	int file_flags;

	/* number of request */
	int cmd_req;

	/* info on the command (see flags below) */
	int cmd_flags;
};

/* flags for cmd_flags */
#define CVS_CMD_ALLOWSPEC	0x01
#define CVS_CMD_NEEDLOG		0x02
#define CVS_CMD_SENDARGS1	0x04
#define CVS_CMD_SENDARGS2	0x08
#define CVS_CMD_SENDDIR		0x10

struct cvs_cmd {
	int cmd_op;
	char cmd_name[CVS_CMD_MAXNAMELEN];
	char cmd_alias[CVS_CMD_MAXALIAS][CVS_CMD_MAXNAMELEN];
	int (*cmd_hdlr)(int, char **);
	char *cmd_synopsis;
	char *cmd_opts;
	char cmd_descr[CVS_CMD_MAXDESCRLEN];
	char *cmd_defargs;
	struct cvs_cmd_info *cmd_info;
};

struct cvs_file;
struct cvs_dir;
struct cvs_flist;

struct cvs_var {
	char   *cv_name;
	char   *cv_val;
	TAILQ_ENTRY(cvs_var) cv_link;
};



struct cvs_op {
	u_int             co_op;
	uid_t             co_uid;    /* user performing the operation */
	char             *co_tag;    /* tag or branch, NULL if HEAD */
	char             *co_msg;    /* message string (on commit or add) */
	struct cvs_flist  co_files;
};


#define CVS_ROOT_CONNECTED    0x01

struct cvsroot {
	char   *cr_str;
	u_int   cr_method;
	char   *cr_buf;
	char   *cr_user;
	char   *cr_pass;
	char   *cr_host;
	char   *cr_dir;
	u_int   cr_port;
	u_int   cr_ref;

	/* connection data */
	u_int   cr_flags;
	FILE   *cr_srvin;
	FILE   *cr_srvout;
	FILE   *cr_srverr;
	char   *cr_version;     /* version of remote server */
	u_char  cr_vrmask[16];  /* mask of valid requests supported by server */
};

#define CVS_SETVR(rt, rq)  ((rt)->cr_vrmask[(rq) / 8] |=  (1 << ((rq) % 8)))
#define CVS_GETVR(rt, rq)  ((rt)->cr_vrmask[(rq) / 8] &   (1 << ((rq) % 8)))
#define CVS_CLRVR(rt, rq)  ((rt)->cr_vrmask[(rq) / 8] &= ~(1 << ((rq) % 8)))
#define CVS_RSTVR(rt)      memset((rt)->cr_vrmask, 0, sizeof((rt)->cr_vrmask))


#define CVS_HIST_ADDED    'A'
#define CVS_HIST_EXPORT   'E'
#define CVS_HIST_RELEASE  'F'
#define CVS_HIST_MODIFIED 'M'
#define CVS_HIST_CHECKOUT 'O'
#define CVS_HIST_COMMIT   'R'
#define CVS_HIST_TAG      'T'


#define CVS_DATE_DUMMY  "dummy timestamp"
#define CVS_DATE_DMSEC  (time_t)-1

#define CVS_ENT_NONE    0
#define CVS_ENT_FILE    1
#define CVS_ENT_DIR     2

#define CVS_ENT_REG      0
#define CVS_ENT_ADDED    1
#define CVS_ENT_REMOVED  2


#define CVS_ENTF_SYNC   0x01    /* contents of disk and memory match */
#define CVS_ENTF_WR     0x02    /* file is opened for writing too */


struct cvs_ent {
	char      *ce_buf;
	u_int16_t  ce_type;
	u_int16_t  ce_status;
	char      *ce_name;
	RCSNUM    *ce_rev;
	time_t     ce_mtime;
	char      *ce_opts;
	char      *ce_tag;
	TAILQ_ENTRY(cvs_ent) ce_list;
};

typedef struct cvs_entries {
	char    *cef_path;
	FILE    *cef_file;
	u_int    cef_flags;

	TAILQ_HEAD(, cvs_ent) cef_ent;
	struct cvs_ent       *cef_cur;
} CVSENTRIES;


struct cvs_hent {
	char    ch_event;
	time_t  ch_date;
	uid_t   ch_uid;
	char   *ch_user;
	char   *ch_curdir;
	char   *ch_repo;
	RCSNUM *ch_rev;
	char   *ch_arg;
};


typedef struct cvs_histfile {
	int     chf_fd;
	char   *chf_buf;       /* read buffer */
	size_t  chf_blen;      /* buffer size */
	size_t  chf_bused;     /* bytes used in buffer */

	off_t   chf_off;       /* next read */
	u_int   chf_sindex;    /* history entry index of first in array */
	u_int   chf_cindex;    /* current index (for getnext()) */
	u_int   chf_nbhent;    /* number of valid entries in the array */

	struct cvs_hent chf_hent[CVS_HIST_CACHE];

} CVSHIST;


#ifdef CVS

extern char *cvs_command;
extern char *cvs_editor;
extern char *cvs_msg;
extern char *cvs_rsh;

extern int  verbosity;
extern int  cvs_trace;
extern int  cvs_nolog;
extern int  cvs_compress;
extern int  cvs_cmdop;
extern int  cvs_nocase;
extern int  cvs_readonly;

extern CVSFILE *cvs_files;

#endif


/* client command handlers */
int  cvs_startcmd (struct cvs_cmd *, int, char **);
int  cvs_add      (int, char **);
int  cvs_admin    (int, char **);
int  cvs_annotate (int, char **);
int  cvs_checkout (int, char **);
int  cvs_commit   (int, char **);
int  cvs_diff     (int, char **);
int  cvs_getlog   (int, char **);
int  cvs_history  (int, char **);
int  cvs_import   (int, char **);
int  cvs_init     (int, char **);
int  cvs_remove   (int, char **);
int  cvs_server   (int, char **);
int  cvs_status   (int, char **);
int  cvs_tag      (int, char **);
int  cvs_update   (int, char **);
int  cvs_version  (int, char **);


int         cvs_var_set   (const char *, const char *);
int         cvs_var_unset (const char *);
const char* cvs_var_get   (const char *);


/* from root.c */
struct cvsroot*  cvsroot_parse (const char *);
void             cvsroot_free  (struct cvsroot *);
struct cvsroot*  cvsroot_get   (const char *);


/* Entries API */
CVSENTRIES*      cvs_ent_open   (const char *, int);
struct cvs_ent*  cvs_ent_get    (CVSENTRIES *, const char *);
struct cvs_ent*  cvs_ent_next   (CVSENTRIES *);
int              cvs_ent_add    (CVSENTRIES *, struct cvs_ent *);
int              cvs_ent_addln  (CVSENTRIES *, const char *);
int              cvs_ent_remove (CVSENTRIES *, const char *);
int              cvs_ent_write  (CVSENTRIES *);
struct cvs_ent*  cvs_ent_parse  (const char *);
void             cvs_ent_close  (CVSENTRIES *);
void             cvs_ent_free   (struct cvs_ent *);
struct cvs_ent*  cvs_ent_getent (const char *);

/* history API */
CVSHIST*         cvs_hist_open    (const char *);
void             cvs_hist_close   (CVSHIST *);
int              cvs_hist_parse   (CVSHIST *);
struct cvs_hent* cvs_hist_getnext (CVSHIST *);
int              cvs_hist_append  (CVSHIST *, struct cvs_hent *);

/* from logmsg.c */
char*  cvs_logmsg_open (const char *);
char*  cvs_logmsg_get  (const char *, struct cvs_flist *, struct cvs_flist *, struct cvs_flist *);
int    cvs_logmsg_send (struct cvsroot *, const char *);

/* from util.c */
#define CVS_DATE_CTIME  0
#define CVS_DATE_RFC822 1

int    cvs_readrepo   (const char *, char *, size_t);
time_t cvs_datesec    (const char *, int, int);
int    cvs_modetostr  (mode_t, char *, size_t);
int    cvs_strtomode  (const char *, mode_t *);
int    cvs_splitpath  (const char *, char *, size_t, char **);
int    cvs_mkadmin    (CVSFILE *, mode_t);
int    cvs_cksum      (const char *, char *, size_t);
int    cvs_exec       (int, char **, int []);
int    cvs_getargv    (const char *, char **, int);
char** cvs_makeargv   (const char *, int *);
void   cvs_freeargv   (char **, int);


#endif /* CVS_H */