summaryrefslogtreecommitdiff
path: root/usr.bin/cvs/cvs.h
blob: 9385e214a8bb74fc842e8f7fe8ff14b4b2e450d2 (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
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
/*	$OpenBSD: cvs.h,v 1.91 2005/12/10 20:27:45 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 <dirent.h>
#include <stdio.h>

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

#define CVS_VERSION_MAJOR	0
#define CVS_VERSION_MINOR	3
#define CVS_VERSION		"OpenCVS 0.3"


#define CVS_HIST_CACHE	128
#define CVS_HIST_NBFLD	6


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

/* error codes */
#define CVS_EX_ERR	-1
#define CVS_EX_OK	0
#define CVS_EX_USAGE	1
#define CVS_EX_DATA	2
#define CVS_EX_PROTO	3
#define CVS_EX_FILE	4
#define CVS_EX_BADTAG	5
#define CVS_EX_BADROOT	6

/* 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"
#define CVS_TMPDIR_DEFAULT	"/tmp"

/* extensions */
#define CVS_DESCR_FILE_EXT	",t"

/* server-side paths */
#define CVS_PATH_ROOT		"CVSROOT"
#define CVS_PATH_EMPTYDIR	CVS_PATH_ROOT "/Emptydir"
#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_BACKUPENTRIES	CVS_PATH_CVSDIR "/Entries.Backup"
#define CVS_PATH_ROOTSPEC	CVS_PATH_CVSDIR "/Root"
#define CVS_PATH_REPOSITORY	CVS_PATH_CVSDIR "/Repository"
#define CVS_PATH_TAG		CVS_PATH_CVSDIR "/Tag"


/* flags for cmd_flags */
#define CVS_CMD_ALLOWSPEC	0x01
#define CVS_CMD_SENDARGS1	0x04
#define CVS_CMD_SENDARGS2	0x08
#define CVS_CMD_SENDDIR		0x10
#define CVS_CMD_PRUNEDIRS	0x20


struct cvs_cmd {
	int	 cmd_op;
	int	 cmd_req;
	char	 cmd_name[CVS_CMD_MAXNAMELEN];
	char	 cmd_alias[CVS_CMD_MAXALIAS][CVS_CMD_MAXNAMELEN];
	char	 cmd_descr[CVS_CMD_MAXDESCRLEN];
	char	*cmd_synopsis;
	char	*cmd_opts;
	char	*cmd_defargs;
	int	 file_flags;

	/* operations vector */
	int	 (*cmd_init)(struct cvs_cmd *, int, char **, int *);
	int	 (*cmd_pre_exec)(struct cvsroot *);
	int	 (*cmd_exec_remote)(CVSFILE *, void *);
	int	 (*cmd_exec_local)(CVSFILE *, void *);
	int	 (*cmd_post_exec)(struct cvsroot *);
	int	 (*cmd_cleanup)(void);

	/* flags for cvs_file_get() */
	int	 cmd_flags;
};

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 */

	TAILQ_ENTRY(cvsroot) root_cache;
};

#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_ENT_UPTODATE	3

#define CVS_ENT_MAXLINELEN	1024

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

#define STRIP_SLASH(p)					\
	do {						\
		size_t _slen;				\
		_slen = strlen(p);			\
		while ((_slen > 0) && (p[_slen - 1] == '/'))	\
			p[--_slen] = '\0';		\
	} while (0)
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;

	/*
	 * This variable is set to 1 if we have already processed this entry
	 * in the cvs_file_getdir() function. This is to avoid files being
	 * passed twice to the callbacks.
	 */
	int			processed;
	TAILQ_ENTRY(cvs_ent)	 ce_list;
};

typedef struct cvs_entries {
	char	*cef_path;
	char	*cef_bpath;
	u_int	 cef_flags;

	TAILQ_HEAD(cvsentrieshead, 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;


extern char *cvs_req_modulename;
extern char *cvs_repo_base;
extern char *cvs_command;
extern char *cvs_editor;
extern char *cvs_homedir;
extern char *cvs_msg;
extern char *cvs_rsh;
extern char *cvs_tmpdir;

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_noexec;
extern int  cvs_readonly;
extern int  cvs_error;
extern CVSFILE *cvs_files;

extern struct cvs_cmd *cvs_cdt[];

extern struct cvs_cmd cvs_cmd_add;
extern struct cvs_cmd cvs_cmd_admin;
extern struct cvs_cmd cvs_cmd_annotate;
extern struct cvs_cmd cvs_cmd_checkout;
extern struct cvs_cmd cvs_cmd_commit;
extern struct cvs_cmd cvs_cmd_diff;
extern struct cvs_cmd cvs_cmd_edit;
extern struct cvs_cmd cvs_cmd_editors;
extern struct cvs_cmd cvs_cmd_export;
extern struct cvs_cmd cvs_cmd_history;
extern struct cvs_cmd cvs_cmd_import;
extern struct cvs_cmd cvs_cmd_init;
extern struct cvs_cmd cvs_cmd_log;
extern struct cvs_cmd cvs_cmd_login;
extern struct cvs_cmd cvs_cmd_logout;
extern struct cvs_cmd cvs_cmd_rdiff;
extern struct cvs_cmd cvs_cmd_release;
extern struct cvs_cmd cvs_cmd_remove;
extern struct cvs_cmd cvs_cmd_rlog;
extern struct cvs_cmd cvs_cmd_rtag;
extern struct cvs_cmd cvs_cmd_status;
extern struct cvs_cmd cvs_cmd_tag;
extern struct cvs_cmd cvs_cmd_update;
extern struct cvs_cmd cvs_cmd_version;
extern struct cvs_cmd cvs_cmd_server;
extern struct cvs_cmd cvs_cmd_unedit;
extern struct cvs_cmd cvs_cmd_watch;
extern struct cvs_cmd cvs_cmd_watchers;


struct cvs_cmd	*cvs_findcmd(const char *);
struct cvs_cmd	*cvs_findcmdbyreq(int);
int		 cvs_startcmd(struct cvs_cmd *, int, char **);
int		 cvs_server(int, char **);

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


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


/* entries.c */
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);
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 *);

/* 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 *);

/* 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 *);

/* date.y */
time_t	cvs_date_parse(const char *);

/* util.c */

struct cvs_line {
	char			*l_line;
	int			 l_lineno;
	TAILQ_ENTRY(cvs_line)	 l_list;
};

TAILQ_HEAD(cvs_tqh, cvs_line);

struct cvs_lines {
	int		l_nblines;
	char		*l_data;
	struct cvs_tqh	l_lines;
};

void	  fatal(const char *, ...);
int	  cvs_readrepo(const char *, char *, size_t);
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(const char *, const char *, const char *, char *,
		char *, int);
int	  cvs_cksum(const char *, char *, size_t);
int	  cvs_exec(int, char **, int []);
int	  cvs_getargv(const char *, char **, int);
int	  cvs_chdir(const char *);
int	  cvs_rename(const char *, const char *);
int	  cvs_unlink(const char *);
int	  cvs_rmdir(const char *);
int	  cvs_create_dir(const char *, int, char *, char *);
char	 *cvs_rcs_getpath(CVSFILE *, char *, size_t);
char	**cvs_makeargv(const char *, int *);
void	  cvs_freeargv(char **, int);
void	  cvs_write_tagfile(char *, char *, int);
void	  cvs_parse_tagfile(char **, char **, int *);
size_t	  cvs_path_cat(const char *, const char *, char *, size_t);
time_t	  cvs_hack_time(time_t, int);

BUF			*cvs_patchfile(const char *, const char *,
			    int (*p)(struct cvs_lines *, struct cvs_lines *));
struct cvs_lines	*cvs_splitlines(const char *);
void			cvs_freelines(struct cvs_lines *);

/* XXX */
int			rcs_patch_lines(struct cvs_lines *, struct cvs_lines *);
int	cvs_checkout_rev(RCSFILE *, RCSNUM *, CVSFILE *, char *, int, int, ...);

#endif