2 3efd8e31 2022-10-23 thomas * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
3 3efd8e31 2022-10-23 thomas * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
4 3efd8e31 2022-10-23 thomas * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
5 3efd8e31 2022-10-23 thomas * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
6 3efd8e31 2022-10-23 thomas * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
7 3efd8e31 2022-10-23 thomas * Copyright (c) 2001 Markus Friedl. All rights reserved.
8 3efd8e31 2022-10-23 thomas * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
9 3efd8e31 2022-10-23 thomas * Copyright (c) 2001 Theo de Raadt. All rights reserved.
11 3efd8e31 2022-10-23 thomas * Permission to use, copy, modify, and distribute this software for any
12 3efd8e31 2022-10-23 thomas * purpose with or without fee is hereby granted, provided that the above
13 3efd8e31 2022-10-23 thomas * copyright notice and this permission notice appear in all copies.
15 3efd8e31 2022-10-23 thomas * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16 3efd8e31 2022-10-23 thomas * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 3efd8e31 2022-10-23 thomas * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18 3efd8e31 2022-10-23 thomas * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 3efd8e31 2022-10-23 thomas * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 3efd8e31 2022-10-23 thomas * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 3efd8e31 2022-10-23 thomas * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 3efd8e31 2022-10-23 thomas #include <sys/time.h>
26 3efd8e31 2022-10-23 thomas #include <sys/types.h>
27 3efd8e31 2022-10-23 thomas #include <sys/queue.h>
28 3efd8e31 2022-10-23 thomas #include <sys/stat.h>
30 3efd8e31 2022-10-23 thomas #include <ctype.h>
31 3efd8e31 2022-10-23 thomas #include <err.h>
32 3efd8e31 2022-10-23 thomas #include <errno.h>
33 3efd8e31 2022-10-23 thomas #include <event.h>
34 3efd8e31 2022-10-23 thomas #include <imsg.h>
35 3efd8e31 2022-10-23 thomas #include <limits.h>
36 3efd8e31 2022-10-23 thomas #include <stdarg.h>
37 3efd8e31 2022-10-23 thomas #include <stdlib.h>
38 3efd8e31 2022-10-23 thomas #include <stdio.h>
39 3efd8e31 2022-10-23 thomas #include <string.h>
40 3efd8e31 2022-10-23 thomas #include <syslog.h>
41 3efd8e31 2022-10-23 thomas #include <unistd.h>
43 3efd8e31 2022-10-23 thomas #include "got_error.h"
44 3efd8e31 2022-10-23 thomas #include "got_path.h"
45 6d7eb4f7 2023-04-04 thomas #include "got_reference.h"
47 3efd8e31 2022-10-23 thomas #include "log.h"
48 3efd8e31 2022-10-23 thomas #include "gotd.h"
49 0781db0e 2023-01-06 thomas #include "auth.h"
50 0781db0e 2023-01-06 thomas #include "listen.h"
52 3efd8e31 2022-10-23 thomas TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
53 3efd8e31 2022-10-23 thomas static struct file {
54 3efd8e31 2022-10-23 thomas TAILQ_ENTRY(file) entry;
55 3efd8e31 2022-10-23 thomas FILE *stream;
56 3efd8e31 2022-10-23 thomas char *name;
57 3efd8e31 2022-10-23 thomas int lineno;
58 3efd8e31 2022-10-23 thomas int errors;
60 7554713a 2023-04-01 thomas struct file *newfile(const char *, int, int);
61 3efd8e31 2022-10-23 thomas static void closefile(struct file *);
62 3efd8e31 2022-10-23 thomas int check_file_secrecy(int, const char *);
63 3efd8e31 2022-10-23 thomas int yyparse(void);
64 3efd8e31 2022-10-23 thomas int yylex(void);
65 3efd8e31 2022-10-23 thomas int yyerror(const char *, ...)
66 3efd8e31 2022-10-23 thomas __attribute__((__format__ (printf, 1, 2)))
67 3efd8e31 2022-10-23 thomas __attribute__((__nonnull__ (1)));
68 3efd8e31 2022-10-23 thomas int kw_cmp(const void *, const void *);
69 3efd8e31 2022-10-23 thomas int lookup(char *);
70 3efd8e31 2022-10-23 thomas int lgetc(int);
71 3efd8e31 2022-10-23 thomas int lungetc(int);
72 3efd8e31 2022-10-23 thomas int findeol(void);
74 3efd8e31 2022-10-23 thomas TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
75 3efd8e31 2022-10-23 thomas struct sym {
76 3efd8e31 2022-10-23 thomas TAILQ_ENTRY(sym) entry;
78 3efd8e31 2022-10-23 thomas int persist;
79 3efd8e31 2022-10-23 thomas char *nam;
80 3efd8e31 2022-10-23 thomas char *val;
83 3efd8e31 2022-10-23 thomas int symset(const char *, const char *, int);
84 3efd8e31 2022-10-23 thomas char *symget(const char *);
86 3efd8e31 2022-10-23 thomas static int errors;
88 3efd8e31 2022-10-23 thomas static struct gotd *gotd;
89 3efd8e31 2022-10-23 thomas static struct gotd_repo *new_repo;
90 67f822ee 2023-01-06 thomas static int conf_limit_user_connections(const char *, int);
91 3efd8e31 2022-10-23 thomas static struct gotd_repo *conf_new_repo(const char *);
92 c3841c67 2022-11-18 thomas static void conf_new_access_rule(struct gotd_repo *,
93 c3841c67 2022-11-18 thomas enum gotd_access, int, char *);
94 57b6056a 2023-04-05 thomas static int conf_protect_ref_namespace(char **,
95 6d7eb4f7 2023-04-04 thomas struct got_pathlist_head *, char *);
96 6d7eb4f7 2023-04-04 thomas static int conf_protect_tag_namespace(struct gotd_repo *,
98 6d7eb4f7 2023-04-04 thomas static int conf_protect_branch_namespace(
99 6d7eb4f7 2023-04-04 thomas struct gotd_repo *, char *);
100 6d7eb4f7 2023-04-04 thomas static int conf_protect_branch(struct gotd_repo *,
102 3efd8e31 2022-10-23 thomas static enum gotd_procid gotd_proc_id;
104 3efd8e31 2022-10-23 thomas typedef struct {
106 3efd8e31 2022-10-23 thomas long long number;
107 3efd8e31 2022-10-23 thomas char *string;
108 0781db0e 2023-01-06 thomas struct timeval tv;
110 3efd8e31 2022-10-23 thomas int lineno;
111 3efd8e31 2022-10-23 thomas } YYSTYPE;
115 f9a4feb6 2023-01-06 thomas %token PATH ERROR LISTEN ON USER REPOSITORY PERMIT DENY
116 0781db0e 2023-01-06 thomas %token RO RW CONNECTION LIMIT REQUEST TIMEOUT
117 6d7eb4f7 2023-04-04 thomas %token PROTECT NAMESPACE BRANCH TAG
119 3efd8e31 2022-10-23 thomas %token <v.string> STRING
120 3efd8e31 2022-10-23 thomas %token <v.number> NUMBER
121 0781db0e 2023-01-06 thomas %type <v.tv> timeout
125 3efd8e31 2022-10-23 thomas grammar :
126 3efd8e31 2022-10-23 thomas | grammar '\n'
127 3efd8e31 2022-10-23 thomas | grammar main '\n'
128 3efd8e31 2022-10-23 thomas | grammar repository '\n'
131 0781db0e 2023-01-06 thomas timeout : NUMBER {
132 0781db0e 2023-01-06 thomas if ($1 < 0) {
133 0781db0e 2023-01-06 thomas yyerror("invalid timeout: %lld", $1);
136 0781db0e 2023-01-06 thomas $$.tv_sec = $1;
137 0781db0e 2023-01-06 thomas $$.tv_usec = 0;
139 77d755e8 2023-01-06 thomas | STRING {
140 77d755e8 2023-01-06 thomas const char *errstr;
141 77d755e8 2023-01-06 thomas const char *type = "seconds";
142 77d755e8 2023-01-06 thomas size_t len;
143 77d755e8 2023-01-06 thomas int mul = 1;
145 77d755e8 2023-01-06 thomas if (*$1 == '\0') {
146 77d755e8 2023-01-06 thomas yyerror("invalid number of seconds: %s", $1);
147 77d755e8 2023-01-06 thomas free($1);
151 77d755e8 2023-01-06 thomas len = strlen($1);
152 77d755e8 2023-01-06 thomas switch ($1[len - 1]) {
153 77d755e8 2023-01-06 thomas case 'S':
154 77d755e8 2023-01-06 thomas case 's':
155 77d755e8 2023-01-06 thomas $1[len - 1] = '\0';
157 77d755e8 2023-01-06 thomas case 'M':
158 77d755e8 2023-01-06 thomas case 'm':
159 77d755e8 2023-01-06 thomas type = "minutes";
160 77d755e8 2023-01-06 thomas mul = 60;
161 77d755e8 2023-01-06 thomas $1[len - 1] = '\0';
163 77d755e8 2023-01-06 thomas case 'H':
164 77d755e8 2023-01-06 thomas case 'h':
165 77d755e8 2023-01-06 thomas type = "hours";
166 77d755e8 2023-01-06 thomas mul = 60 * 60;
167 77d755e8 2023-01-06 thomas $1[len - 1] = '\0';
171 77d755e8 2023-01-06 thomas $$.tv_usec = 0;
172 85bccbf7 2023-01-06 thomas $$.tv_sec = strtonum($1, 0, INT_MAX / mul, &errstr);
173 77d755e8 2023-01-06 thomas if (errstr) {
174 77d755e8 2023-01-06 thomas yyerror("number of %s is %s: %s", type,
175 77d755e8 2023-01-06 thomas errstr, $1);
176 77d755e8 2023-01-06 thomas free($1);
180 77d755e8 2023-01-06 thomas $$.tv_sec *= mul;
181 77d755e8 2023-01-06 thomas free($1);
185 f9a4feb6 2023-01-06 thomas main : LISTEN ON STRING {
186 7348ded8 2023-01-19 thomas if (!got_path_is_absolute($3))
187 7348ded8 2023-01-19 thomas yyerror("bad unix socket path \"%s\": "
188 7348ded8 2023-01-19 thomas "must be an absolute path", $3);
190 2b3d32a1 2022-12-30 thomas if (gotd_proc_id == PROC_LISTEN) {
191 f9a4feb6 2023-01-06 thomas if (strlcpy(gotd->unix_socket_path, $3,
192 3efd8e31 2022-10-23 thomas sizeof(gotd->unix_socket_path)) >=
193 3efd8e31 2022-10-23 thomas sizeof(gotd->unix_socket_path)) {
194 3efd8e31 2022-10-23 thomas yyerror("%s: unix socket path too long",
195 3efd8e31 2022-10-23 thomas __func__);
196 f9a4feb6 2023-01-06 thomas free($3);
200 f9a4feb6 2023-01-06 thomas free($3);
202 3efd8e31 2022-10-23 thomas | USER STRING {
203 3efd8e31 2022-10-23 thomas if (strlcpy(gotd->user_name, $2,
204 3efd8e31 2022-10-23 thomas sizeof(gotd->user_name)) >=
205 3efd8e31 2022-10-23 thomas sizeof(gotd->user_name)) {
206 3efd8e31 2022-10-23 thomas yyerror("%s: user name too long", __func__);
207 3efd8e31 2022-10-23 thomas free($2);
210 3efd8e31 2022-10-23 thomas free($2);
212 0781db0e 2023-01-06 thomas | connection
215 0781db0e 2023-01-06 thomas connection : CONNECTION '{' optnl conflags_l '}'
216 0781db0e 2023-01-06 thomas | CONNECTION conflags
218 0781db0e 2023-01-06 thomas conflags_l : conflags optnl conflags_l
219 0781db0e 2023-01-06 thomas | conflags optnl
222 0781db0e 2023-01-06 thomas conflags : REQUEST TIMEOUT timeout {
223 912db690 2023-01-06 thomas if ($3.tv_sec <= 0) {
224 912db690 2023-01-06 thomas yyerror("invalid timeout: %lld", $3.tv_sec);
227 0781db0e 2023-01-06 thomas memcpy(&gotd->request_timeout, &$3,
228 0781db0e 2023-01-06 thomas sizeof(gotd->request_timeout));
230 0781db0e 2023-01-06 thomas | LIMIT USER STRING NUMBER {
231 0781db0e 2023-01-06 thomas if (gotd_proc_id == PROC_LISTEN &&
232 0781db0e 2023-01-06 thomas conf_limit_user_connections($3, $4) == -1) {
233 0781db0e 2023-01-06 thomas free($3);
236 0781db0e 2023-01-06 thomas free($3);
240 6d7eb4f7 2023-04-04 thomas protect : PROTECT '{' optnl protectflags_l '}'
241 6d7eb4f7 2023-04-04 thomas | PROTECT protectflags
243 6d7eb4f7 2023-04-04 thomas protectflags_l : protectflags optnl protectflags_l
244 6d7eb4f7 2023-04-04 thomas | protectflags optnl
247 6d7eb4f7 2023-04-04 thomas protectflags : TAG NAMESPACE STRING {
248 6d7eb4f7 2023-04-04 thomas if (gotd_proc_id == PROC_GOTD ||
249 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_REPO_WRITE) {
250 6d7eb4f7 2023-04-04 thomas if (conf_protect_tag_namespace(new_repo, $3)) {
251 6d7eb4f7 2023-04-04 thomas free($3);
255 ffc797f3 2023-04-05 thomas free($3);
257 6d7eb4f7 2023-04-04 thomas | BRANCH NAMESPACE STRING {
258 6d7eb4f7 2023-04-04 thomas if (gotd_proc_id == PROC_GOTD ||
259 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_REPO_WRITE) {
260 6d7eb4f7 2023-04-04 thomas if (conf_protect_branch_namespace(new_repo,
262 6d7eb4f7 2023-04-04 thomas free($3);
266 ffc797f3 2023-04-05 thomas free($3);
268 6d7eb4f7 2023-04-04 thomas | BRANCH STRING {
269 6d7eb4f7 2023-04-04 thomas if (gotd_proc_id == PROC_GOTD ||
270 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_REPO_WRITE) {
271 6d7eb4f7 2023-04-04 thomas if (conf_protect_branch(new_repo, $2)) {
272 6d7eb4f7 2023-04-04 thomas free($2);
276 ffc797f3 2023-04-05 thomas free($2);
280 3efd8e31 2022-10-23 thomas repository : REPOSITORY STRING {
281 3efd8e31 2022-10-23 thomas struct gotd_repo *repo;
283 3efd8e31 2022-10-23 thomas TAILQ_FOREACH(repo, &gotd->repos, entry) {
284 3efd8e31 2022-10-23 thomas if (strcmp(repo->name, $2) == 0) {
285 3efd8e31 2022-10-23 thomas yyerror("duplicate repository '%s'", $2);
286 3efd8e31 2022-10-23 thomas free($2);
291 c669c489 2022-12-30 thomas if (gotd_proc_id == PROC_GOTD ||
292 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_AUTH ||
293 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_REPO_WRITE) {
294 3efd8e31 2022-10-23 thomas new_repo = conf_new_repo($2);
296 3efd8e31 2022-10-23 thomas free($2);
297 3efd8e31 2022-10-23 thomas } '{' optnl repoopts2 '}' {
301 3efd8e31 2022-10-23 thomas repoopts1 : PATH STRING {
302 c669c489 2022-12-30 thomas if (gotd_proc_id == PROC_GOTD ||
303 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_AUTH ||
304 6d7eb4f7 2023-04-04 thomas gotd_proc_id == PROC_REPO_WRITE) {
305 3efd8e31 2022-10-23 thomas if (!got_path_is_absolute($2)) {
306 3efd8e31 2022-10-23 thomas yyerror("%s: path %s is not absolute",
307 3efd8e31 2022-10-23 thomas __func__, $2);
308 3efd8e31 2022-10-23 thomas free($2);
311 fe6a8988 2023-01-08 thomas if (realpath($2, new_repo->path) == NULL) {
312 d95864cd 2023-04-14 thomas yyerror("realpath %s: %s", $2,
313 d95864cd 2023-04-14 thomas strerror(errno));
315 d95864cd 2023-04-14 thomas * Give admin a chance to create
316 d95864cd 2023-04-14 thomas * missing repositories at run-time.
318 d95864cd 2023-04-14 thomas if (errno != ENOENT) {
319 d95864cd 2023-04-14 thomas free($2);
321 d95864cd 2023-04-14 thomas } else if (strlcpy(new_repo->path, $2,
322 d95864cd 2023-04-14 thomas sizeof(new_repo->path)) >=
323 d95864cd 2023-04-14 thomas sizeof(new_repo->path))
324 d95864cd 2023-04-14 thomas yyerror("path too long");
327 3efd8e31 2022-10-23 thomas free($2);
329 729a7e24 2022-11-17 thomas | PERMIT RO STRING {
330 c669c489 2022-12-30 thomas if (gotd_proc_id == PROC_AUTH) {
331 729a7e24 2022-11-17 thomas conf_new_access_rule(new_repo,
332 729a7e24 2022-11-17 thomas GOTD_ACCESS_PERMITTED, GOTD_AUTH_READ, $3);
334 ffc797f3 2023-04-05 thomas free($3);
336 729a7e24 2022-11-17 thomas | PERMIT RW STRING {
337 c669c489 2022-12-30 thomas if (gotd_proc_id == PROC_AUTH) {
338 729a7e24 2022-11-17 thomas conf_new_access_rule(new_repo,
339 729a7e24 2022-11-17 thomas GOTD_ACCESS_PERMITTED,
340 729a7e24 2022-11-17 thomas GOTD_AUTH_READ | GOTD_AUTH_WRITE, $3);
342 ffc797f3 2023-04-05 thomas free($3);
344 729a7e24 2022-11-17 thomas | DENY STRING {
345 c669c489 2022-12-30 thomas if (gotd_proc_id == PROC_AUTH) {
346 729a7e24 2022-11-17 thomas conf_new_access_rule(new_repo,
347 729a7e24 2022-11-17 thomas GOTD_ACCESS_DENIED, 0, $2);
349 ffc797f3 2023-04-05 thomas free($2);
351 6d7eb4f7 2023-04-04 thomas | protect
354 3efd8e31 2022-10-23 thomas repoopts2 : repoopts2 repoopts1 nl
355 3efd8e31 2022-10-23 thomas | repoopts1 optnl
358 3efd8e31 2022-10-23 thomas nl : '\n' optnl
361 3efd8e31 2022-10-23 thomas optnl : '\n' optnl /* zero or more newlines */
362 3efd8e31 2022-10-23 thomas | /* empty */
367 3efd8e31 2022-10-23 thomas struct keywords {
368 3efd8e31 2022-10-23 thomas const char *k_name;
369 3efd8e31 2022-10-23 thomas int k_val;
373 3efd8e31 2022-10-23 thomas yyerror(const char *fmt, ...)
375 3efd8e31 2022-10-23 thomas va_list ap;
376 3efd8e31 2022-10-23 thomas char *msg;
378 3efd8e31 2022-10-23 thomas file->errors++;
379 3efd8e31 2022-10-23 thomas va_start(ap, fmt);
380 3efd8e31 2022-10-23 thomas if (vasprintf(&msg, fmt, ap) == -1)
381 3efd8e31 2022-10-23 thomas fatalx("yyerror vasprintf");
382 3efd8e31 2022-10-23 thomas va_end(ap);
383 3efd8e31 2022-10-23 thomas logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
384 3efd8e31 2022-10-23 thomas free(msg);
385 3efd8e31 2022-10-23 thomas return (0);
389 3efd8e31 2022-10-23 thomas kw_cmp(const void *k, const void *e)
391 3efd8e31 2022-10-23 thomas return (strcmp(k, ((const struct keywords *)e)->k_name));
395 3efd8e31 2022-10-23 thomas lookup(char *s)
397 3efd8e31 2022-10-23 thomas /* This has to be sorted always. */
398 3efd8e31 2022-10-23 thomas static const struct keywords keywords[] = {
399 6d7eb4f7 2023-04-04 thomas { "branch", BRANCH },
400 0781db0e 2023-01-06 thomas { "connection", CONNECTION },
401 729a7e24 2022-11-17 thomas { "deny", DENY },
402 0781db0e 2023-01-06 thomas { "limit", LIMIT },
403 f9a4feb6 2023-01-06 thomas { "listen", LISTEN },
404 6d7eb4f7 2023-04-04 thomas { "namespace", NAMESPACE },
405 3efd8e31 2022-10-23 thomas { "on", ON },
406 3efd8e31 2022-10-23 thomas { "path", PATH },
407 729a7e24 2022-11-17 thomas { "permit", PERMIT },
408 6d7eb4f7 2023-04-04 thomas { "protect", PROTECT },
409 3efd8e31 2022-10-23 thomas { "repository", REPOSITORY },
410 0781db0e 2023-01-06 thomas { "request", REQUEST },
411 729a7e24 2022-11-17 thomas { "ro", RO },
412 729a7e24 2022-11-17 thomas { "rw", RW },
413 6d7eb4f7 2023-04-04 thomas { "tag", TAG },
414 0781db0e 2023-01-06 thomas { "timeout", TIMEOUT },
415 3efd8e31 2022-10-23 thomas { "user", USER },
417 3efd8e31 2022-10-23 thomas const struct keywords *p;
419 3efd8e31 2022-10-23 thomas p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
420 3efd8e31 2022-10-23 thomas sizeof(keywords[0]), kw_cmp);
423 3efd8e31 2022-10-23 thomas return (p->k_val);
425 3efd8e31 2022-10-23 thomas return (STRING);
428 3efd8e31 2022-10-23 thomas #define MAXPUSHBACK 128
430 3efd8e31 2022-10-23 thomas unsigned char *parsebuf;
431 3efd8e31 2022-10-23 thomas int parseindex;
432 3efd8e31 2022-10-23 thomas unsigned char pushback_buffer[MAXPUSHBACK];
433 3efd8e31 2022-10-23 thomas int pushback_index = 0;
436 3efd8e31 2022-10-23 thomas lgetc(int quotec)
438 3efd8e31 2022-10-23 thomas int c, next;
440 3efd8e31 2022-10-23 thomas if (parsebuf) {
441 3efd8e31 2022-10-23 thomas /* Read character from the parsebuffer instead of input. */
442 3efd8e31 2022-10-23 thomas if (parseindex >= 0) {
443 3efd8e31 2022-10-23 thomas c = parsebuf[parseindex++];
444 3efd8e31 2022-10-23 thomas if (c != '\0')
445 3efd8e31 2022-10-23 thomas return (c);
446 3efd8e31 2022-10-23 thomas parsebuf = NULL;
448 3efd8e31 2022-10-23 thomas parseindex++;
451 3efd8e31 2022-10-23 thomas if (pushback_index)
452 3efd8e31 2022-10-23 thomas return (pushback_buffer[--pushback_index]);
454 3efd8e31 2022-10-23 thomas if (quotec) {
455 3efd8e31 2022-10-23 thomas c = getc(file->stream);
456 3efd8e31 2022-10-23 thomas if (c == EOF)
457 3efd8e31 2022-10-23 thomas yyerror("reached end of file while parsing "
458 3efd8e31 2022-10-23 thomas "quoted string");
459 3efd8e31 2022-10-23 thomas return (c);
462 3efd8e31 2022-10-23 thomas c = getc(file->stream);
463 3efd8e31 2022-10-23 thomas while (c == '\\') {
464 3efd8e31 2022-10-23 thomas next = getc(file->stream);
465 3efd8e31 2022-10-23 thomas if (next != '\n') {
466 3efd8e31 2022-10-23 thomas c = next;
469 3efd8e31 2022-10-23 thomas yylval.lineno = file->lineno;
470 3efd8e31 2022-10-23 thomas file->lineno++;
471 3efd8e31 2022-10-23 thomas c = getc(file->stream);
474 3efd8e31 2022-10-23 thomas return (c);
478 3efd8e31 2022-10-23 thomas lungetc(int c)
480 3efd8e31 2022-10-23 thomas if (c == EOF)
481 3efd8e31 2022-10-23 thomas return (EOF);
482 3efd8e31 2022-10-23 thomas if (parsebuf) {
483 3efd8e31 2022-10-23 thomas parseindex--;
484 3efd8e31 2022-10-23 thomas if (parseindex >= 0)
485 3efd8e31 2022-10-23 thomas return (c);
487 3efd8e31 2022-10-23 thomas if (pushback_index < MAXPUSHBACK-1)
488 3efd8e31 2022-10-23 thomas return (pushback_buffer[pushback_index++] = c);
490 3efd8e31 2022-10-23 thomas return (EOF);
494 3efd8e31 2022-10-23 thomas findeol(void)
498 3efd8e31 2022-10-23 thomas parsebuf = NULL;
500 3efd8e31 2022-10-23 thomas /* Skip to either EOF or the first real EOL. */
501 3efd8e31 2022-10-23 thomas while (1) {
502 3efd8e31 2022-10-23 thomas if (pushback_index)
503 3efd8e31 2022-10-23 thomas c = pushback_buffer[--pushback_index];
505 3efd8e31 2022-10-23 thomas c = lgetc(0);
506 3efd8e31 2022-10-23 thomas if (c == '\n') {
507 3efd8e31 2022-10-23 thomas file->lineno++;
510 3efd8e31 2022-10-23 thomas if (c == EOF)
513 3efd8e31 2022-10-23 thomas return (ERROR);
517 3efd8e31 2022-10-23 thomas yylex(void)
519 3efd8e31 2022-10-23 thomas unsigned char buf[8096];
520 3efd8e31 2022-10-23 thomas unsigned char *p, *val;
521 3efd8e31 2022-10-23 thomas int quotec, next, c;
522 3efd8e31 2022-10-23 thomas int token;
526 3efd8e31 2022-10-23 thomas c = lgetc(0);
527 3efd8e31 2022-10-23 thomas while (c == ' ' || c == '\t')
528 3efd8e31 2022-10-23 thomas c = lgetc(0); /* nothing */
530 3efd8e31 2022-10-23 thomas yylval.lineno = file->lineno;
531 3efd8e31 2022-10-23 thomas if (c == '#') {
532 3efd8e31 2022-10-23 thomas c = lgetc(0);
533 3efd8e31 2022-10-23 thomas while (c != '\n' && c != EOF)
534 3efd8e31 2022-10-23 thomas c = lgetc(0); /* nothing */
536 3efd8e31 2022-10-23 thomas if (c == '$' && parsebuf == NULL) {
537 3efd8e31 2022-10-23 thomas while (1) {
538 3efd8e31 2022-10-23 thomas c = lgetc(0);
539 3efd8e31 2022-10-23 thomas if (c == EOF)
540 3efd8e31 2022-10-23 thomas return (0);
542 3efd8e31 2022-10-23 thomas if (p + 1 >= buf + sizeof(buf) - 1) {
543 3efd8e31 2022-10-23 thomas yyerror("string too long");
544 3efd8e31 2022-10-23 thomas return (findeol());
546 3efd8e31 2022-10-23 thomas if (isalnum(c) || c == '_') {
547 3efd8e31 2022-10-23 thomas *p++ = c;
548 3efd8e31 2022-10-23 thomas continue;
550 3efd8e31 2022-10-23 thomas *p = '\0';
551 3efd8e31 2022-10-23 thomas lungetc(c);
554 3efd8e31 2022-10-23 thomas val = symget(buf);
555 3efd8e31 2022-10-23 thomas if (val == NULL) {
556 3efd8e31 2022-10-23 thomas yyerror("macro '%s' not defined", buf);
557 3efd8e31 2022-10-23 thomas return (findeol());
559 3efd8e31 2022-10-23 thomas parsebuf = val;
560 3efd8e31 2022-10-23 thomas parseindex = 0;
561 3efd8e31 2022-10-23 thomas goto top;
564 3efd8e31 2022-10-23 thomas switch (c) {
565 3efd8e31 2022-10-23 thomas case '\'':
566 3efd8e31 2022-10-23 thomas case '"':
567 3efd8e31 2022-10-23 thomas quotec = c;
568 3efd8e31 2022-10-23 thomas while (1) {
569 3efd8e31 2022-10-23 thomas c = lgetc(quotec);
570 3efd8e31 2022-10-23 thomas if (c == EOF)
571 3efd8e31 2022-10-23 thomas return (0);
572 3efd8e31 2022-10-23 thomas if (c == '\n') {
573 3efd8e31 2022-10-23 thomas file->lineno++;
574 3efd8e31 2022-10-23 thomas continue;
575 3efd8e31 2022-10-23 thomas } else if (c == '\\') {
576 3efd8e31 2022-10-23 thomas next = lgetc(quotec);
577 3efd8e31 2022-10-23 thomas if (next == EOF)
578 3efd8e31 2022-10-23 thomas return (0);
579 3efd8e31 2022-10-23 thomas if (next == quotec || c == ' ' || c == '\t')
580 3efd8e31 2022-10-23 thomas c = next;
581 3efd8e31 2022-10-23 thomas else if (next == '\n') {
582 3efd8e31 2022-10-23 thomas file->lineno++;
583 3efd8e31 2022-10-23 thomas continue;
585 3efd8e31 2022-10-23 thomas lungetc(next);
586 3efd8e31 2022-10-23 thomas } else if (c == quotec) {
587 3efd8e31 2022-10-23 thomas *p = '\0';
589 3efd8e31 2022-10-23 thomas } else if (c == '\0') {
590 3efd8e31 2022-10-23 thomas yyerror("syntax error");
591 3efd8e31 2022-10-23 thomas return (findeol());
593 3efd8e31 2022-10-23 thomas if (p + 1 >= buf + sizeof(buf) - 1) {
594 3efd8e31 2022-10-23 thomas yyerror("string too long");
595 3efd8e31 2022-10-23 thomas return (findeol());
597 3efd8e31 2022-10-23 thomas *p++ = c;
599 3efd8e31 2022-10-23 thomas yylval.v.string = strdup(buf);
600 3efd8e31 2022-10-23 thomas if (yylval.v.string == NULL)
601 3efd8e31 2022-10-23 thomas err(1, "yylex: strdup");
602 3efd8e31 2022-10-23 thomas return (STRING);
605 3efd8e31 2022-10-23 thomas #define allowed_to_end_number(x) \
606 3efd8e31 2022-10-23 thomas (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
608 3efd8e31 2022-10-23 thomas if (c == '-' || isdigit(c)) {
610 3efd8e31 2022-10-23 thomas *p++ = c;
611 3efd8e31 2022-10-23 thomas if ((unsigned)(p-buf) >= sizeof(buf)) {
612 3efd8e31 2022-10-23 thomas yyerror("string too long");
613 3efd8e31 2022-10-23 thomas return (findeol());
615 3efd8e31 2022-10-23 thomas c = lgetc(0);
616 3efd8e31 2022-10-23 thomas } while (c != EOF && isdigit(c));
617 3efd8e31 2022-10-23 thomas lungetc(c);
618 3efd8e31 2022-10-23 thomas if (p == buf + 1 && buf[0] == '-')
619 3efd8e31 2022-10-23 thomas goto nodigits;
620 3efd8e31 2022-10-23 thomas if (c == EOF || allowed_to_end_number(c)) {
621 3efd8e31 2022-10-23 thomas const char *errstr = NULL;
623 3efd8e31 2022-10-23 thomas *p = '\0';
624 3efd8e31 2022-10-23 thomas yylval.v.number = strtonum(buf, LLONG_MIN,
625 3efd8e31 2022-10-23 thomas LLONG_MAX, &errstr);
626 3efd8e31 2022-10-23 thomas if (errstr) {
627 3efd8e31 2022-10-23 thomas yyerror("\"%s\" invalid number: %s",
628 3efd8e31 2022-10-23 thomas buf, errstr);
629 3efd8e31 2022-10-23 thomas return (findeol());
631 3efd8e31 2022-10-23 thomas return (NUMBER);
633 3efd8e31 2022-10-23 thomas nodigits:
634 3efd8e31 2022-10-23 thomas while (p > buf + 1)
635 3efd8e31 2022-10-23 thomas lungetc(*--p);
636 3efd8e31 2022-10-23 thomas c = *--p;
637 3efd8e31 2022-10-23 thomas if (c == '-')
638 3efd8e31 2022-10-23 thomas return (c);
642 3efd8e31 2022-10-23 thomas #define allowed_in_string(x) \
643 3efd8e31 2022-10-23 thomas (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
644 3efd8e31 2022-10-23 thomas x != '{' && x != '}' && \
645 3efd8e31 2022-10-23 thomas x != '!' && x != '=' && x != '#' && \
646 3efd8e31 2022-10-23 thomas x != ','))
648 3efd8e31 2022-10-23 thomas if (isalnum(c) || c == ':' || c == '_') {
650 3efd8e31 2022-10-23 thomas *p++ = c;
651 3efd8e31 2022-10-23 thomas if ((unsigned)(p-buf) >= sizeof(buf)) {
652 3efd8e31 2022-10-23 thomas yyerror("string too long");
653 3efd8e31 2022-10-23 thomas return (findeol());
655 3efd8e31 2022-10-23 thomas c = lgetc(0);
656 3efd8e31 2022-10-23 thomas } while (c != EOF && (allowed_in_string(c)));
657 3efd8e31 2022-10-23 thomas lungetc(c);
658 3efd8e31 2022-10-23 thomas *p = '\0';
659 3efd8e31 2022-10-23 thomas token = lookup(buf);
660 3efd8e31 2022-10-23 thomas if (token == STRING) {
661 3efd8e31 2022-10-23 thomas yylval.v.string = strdup(buf);
662 3efd8e31 2022-10-23 thomas if (yylval.v.string == NULL)
663 3efd8e31 2022-10-23 thomas err(1, "yylex: strdup");
665 3efd8e31 2022-10-23 thomas return (token);
667 3efd8e31 2022-10-23 thomas if (c == '\n') {
668 3efd8e31 2022-10-23 thomas yylval.lineno = file->lineno;
669 3efd8e31 2022-10-23 thomas file->lineno++;
671 3efd8e31 2022-10-23 thomas if (c == EOF)
672 3efd8e31 2022-10-23 thomas return (0);
673 3efd8e31 2022-10-23 thomas return (c);
677 3efd8e31 2022-10-23 thomas check_file_secrecy(int fd, const char *fname)
679 3efd8e31 2022-10-23 thomas struct stat st;
681 3efd8e31 2022-10-23 thomas if (fstat(fd, &st)) {
682 3efd8e31 2022-10-23 thomas log_warn("cannot stat %s", fname);
683 3efd8e31 2022-10-23 thomas return (-1);
685 3efd8e31 2022-10-23 thomas if (st.st_uid != 0 && st.st_uid != getuid()) {
686 3efd8e31 2022-10-23 thomas log_warnx("%s: owner not root or current user", fname);
687 3efd8e31 2022-10-23 thomas return (-1);
689 3efd8e31 2022-10-23 thomas if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
690 3efd8e31 2022-10-23 thomas log_warnx("%s: group writable or world read/writable", fname);
691 3efd8e31 2022-10-23 thomas return (-1);
693 3efd8e31 2022-10-23 thomas return (0);
696 3efd8e31 2022-10-23 thomas struct file *
697 7554713a 2023-04-01 thomas newfile(const char *name, int secret, int required)
699 3efd8e31 2022-10-23 thomas struct file *nfile;
701 3efd8e31 2022-10-23 thomas nfile = calloc(1, sizeof(struct file));
702 3efd8e31 2022-10-23 thomas if (nfile == NULL) {
703 3efd8e31 2022-10-23 thomas log_warn("calloc");
704 3efd8e31 2022-10-23 thomas return (NULL);
706 3efd8e31 2022-10-23 thomas nfile->name = strdup(name);
707 3efd8e31 2022-10-23 thomas if (nfile->name == NULL) {
708 3efd8e31 2022-10-23 thomas log_warn("strdup");
709 3efd8e31 2022-10-23 thomas free(nfile);
710 3efd8e31 2022-10-23 thomas return (NULL);
712 3efd8e31 2022-10-23 thomas nfile->stream = fopen(nfile->name, "r");
713 3efd8e31 2022-10-23 thomas if (nfile->stream == NULL) {
714 7554713a 2023-04-01 thomas if (required)
715 7554713a 2023-04-01 thomas log_warn("open %s", nfile->name);
716 3efd8e31 2022-10-23 thomas free(nfile->name);
717 3efd8e31 2022-10-23 thomas free(nfile);
718 3efd8e31 2022-10-23 thomas return (NULL);
719 3efd8e31 2022-10-23 thomas } else if (secret &&
720 3efd8e31 2022-10-23 thomas check_file_secrecy(fileno(nfile->stream), nfile->name)) {
721 3efd8e31 2022-10-23 thomas fclose(nfile->stream);
722 3efd8e31 2022-10-23 thomas free(nfile->name);
723 3efd8e31 2022-10-23 thomas free(nfile);
724 3efd8e31 2022-10-23 thomas return (NULL);
726 3efd8e31 2022-10-23 thomas nfile->lineno = 1;
727 3efd8e31 2022-10-23 thomas return (nfile);
730 3efd8e31 2022-10-23 thomas static void
731 3efd8e31 2022-10-23 thomas closefile(struct file *xfile)
733 3efd8e31 2022-10-23 thomas fclose(xfile->stream);
734 3efd8e31 2022-10-23 thomas free(xfile->name);
735 3efd8e31 2022-10-23 thomas free(xfile);
739 3efd8e31 2022-10-23 thomas parse_config(const char *filename, enum gotd_procid proc_id,
740 7554713a 2023-04-01 thomas struct gotd *env, int require_config_file)
742 3efd8e31 2022-10-23 thomas struct sym *sym, *next;
743 88f1bb6d 2023-01-02 thomas struct gotd_repo *repo;
745 3efd8e31 2022-10-23 thomas memset(env, 0, sizeof(*env));
747 3efd8e31 2022-10-23 thomas gotd = env;
748 3efd8e31 2022-10-23 thomas gotd_proc_id = proc_id;
749 3efd8e31 2022-10-23 thomas TAILQ_INIT(&gotd->repos);
751 3efd8e31 2022-10-23 thomas /* Apply default values. */
752 3efd8e31 2022-10-23 thomas if (strlcpy(gotd->unix_socket_path, GOTD_UNIX_SOCKET,
753 3efd8e31 2022-10-23 thomas sizeof(gotd->unix_socket_path)) >= sizeof(gotd->unix_socket_path)) {
754 3efd8e31 2022-10-23 thomas fprintf(stderr, "%s: unix socket path too long", __func__);
755 3efd8e31 2022-10-23 thomas return -1;
757 3efd8e31 2022-10-23 thomas if (strlcpy(gotd->user_name, GOTD_USER,
758 3efd8e31 2022-10-23 thomas sizeof(gotd->user_name)) >= sizeof(gotd->user_name)) {
759 3efd8e31 2022-10-23 thomas fprintf(stderr, "%s: user name too long", __func__);
760 3efd8e31 2022-10-23 thomas return -1;
763 0781db0e 2023-01-06 thomas gotd->request_timeout.tv_sec = GOTD_DEFAULT_REQUEST_TIMEOUT;
764 0781db0e 2023-01-06 thomas gotd->request_timeout.tv_usec = 0;
766 7554713a 2023-04-01 thomas file = newfile(filename, 0, require_config_file);
767 f3296add 2023-03-01 thomas if (file == NULL)
768 7554713a 2023-04-01 thomas return require_config_file ? -1 : 0;
770 3efd8e31 2022-10-23 thomas yyparse();
771 3efd8e31 2022-10-23 thomas errors = file->errors;
772 3efd8e31 2022-10-23 thomas closefile(file);
774 3efd8e31 2022-10-23 thomas /* Free macros and check which have not been used. */
775 3efd8e31 2022-10-23 thomas TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
776 3efd8e31 2022-10-23 thomas if ((gotd->verbosity > 1) && !sym->used)
777 3efd8e31 2022-10-23 thomas fprintf(stderr, "warning: macro '%s' not used\n",
778 3efd8e31 2022-10-23 thomas sym->nam);
779 3efd8e31 2022-10-23 thomas if (!sym->persist) {
780 3efd8e31 2022-10-23 thomas free(sym->nam);
781 3efd8e31 2022-10-23 thomas free(sym->val);
782 3efd8e31 2022-10-23 thomas TAILQ_REMOVE(&symhead, sym, entry);
783 3efd8e31 2022-10-23 thomas free(sym);
787 3efd8e31 2022-10-23 thomas if (errors)
788 3efd8e31 2022-10-23 thomas return (-1);
790 88f1bb6d 2023-01-02 thomas TAILQ_FOREACH(repo, &gotd->repos, entry) {
791 88f1bb6d 2023-01-02 thomas if (repo->path[0] == '\0') {
792 0cbf8de7 2023-01-02 thomas log_warnx("repository \"%s\": no path provided in "
793 0cbf8de7 2023-01-02 thomas "configuration file", repo->name);
794 88f1bb6d 2023-01-02 thomas return (-1);
798 4d24b1fd 2023-01-19 thomas if (proc_id == PROC_GOTD && TAILQ_EMPTY(&gotd->repos)) {
799 4d24b1fd 2023-01-19 thomas log_warnx("no repository defined in configuration file");
800 4d24b1fd 2023-01-19 thomas return (-1);
803 3efd8e31 2022-10-23 thomas return (0);
806 0781db0e 2023-01-06 thomas static int
807 0781db0e 2023-01-06 thomas uid_connection_limit_cmp(const void *pa, const void *pb)
809 0781db0e 2023-01-06 thomas const struct gotd_uid_connection_limit *a = pa, *b = pb;
811 0781db0e 2023-01-06 thomas if (a->uid < b->uid)
812 0781db0e 2023-01-06 thomas return -1;
813 0781db0e 2023-01-06 thomas else if (a->uid > b->uid);
814 0781db0e 2023-01-06 thomas return 1;
816 0781db0e 2023-01-06 thomas return 0;
819 0781db0e 2023-01-06 thomas static int
820 0781db0e 2023-01-06 thomas conf_limit_user_connections(const char *user, int maximum)
822 0781db0e 2023-01-06 thomas uid_t uid;
823 0781db0e 2023-01-06 thomas struct gotd_uid_connection_limit *limit;
824 0781db0e 2023-01-06 thomas size_t nlimits;
826 0781db0e 2023-01-06 thomas if (maximum < 1) {
827 0781db0e 2023-01-06 thomas yyerror("max connections cannot be smaller 1");
828 0781db0e 2023-01-06 thomas return -1;
830 0781db0e 2023-01-06 thomas if (maximum > GOTD_MAXCLIENTS) {
831 0781db0e 2023-01-06 thomas yyerror("max connections must be <= %d", GOTD_MAXCLIENTS);
832 0781db0e 2023-01-06 thomas return -1;
835 0781db0e 2023-01-06 thomas if (gotd_auth_parseuid(user, &uid) == -1) {
836 0781db0e 2023-01-06 thomas yyerror("%s: no such user", user);
837 0781db0e 2023-01-06 thomas return -1;
840 0781db0e 2023-01-06 thomas limit = gotd_find_uid_connection_limit(gotd->connection_limits,
841 0781db0e 2023-01-06 thomas gotd->nconnection_limits, uid);
842 0781db0e 2023-01-06 thomas if (limit) {
843 0781db0e 2023-01-06 thomas limit->max_connections = maximum;
844 0781db0e 2023-01-06 thomas return 0;
847 0781db0e 2023-01-06 thomas limit = gotd->connection_limits;
848 0781db0e 2023-01-06 thomas nlimits = gotd->nconnection_limits + 1;
849 0781db0e 2023-01-06 thomas limit = reallocarray(limit, nlimits, sizeof(*limit));
850 0781db0e 2023-01-06 thomas if (limit == NULL)
851 0781db0e 2023-01-06 thomas fatal("reallocarray");
853 0781db0e 2023-01-06 thomas limit[nlimits - 1].uid = uid;
854 0781db0e 2023-01-06 thomas limit[nlimits - 1].max_connections = maximum;
856 0781db0e 2023-01-06 thomas gotd->connection_limits = limit;
857 0781db0e 2023-01-06 thomas gotd->nconnection_limits = nlimits;
858 0781db0e 2023-01-06 thomas qsort(gotd->connection_limits, gotd->nconnection_limits,
859 0781db0e 2023-01-06 thomas sizeof(gotd->connection_limits[0]), uid_connection_limit_cmp);
861 0781db0e 2023-01-06 thomas return 0;
864 3efd8e31 2022-10-23 thomas static struct gotd_repo *
865 3efd8e31 2022-10-23 thomas conf_new_repo(const char *name)
867 3efd8e31 2022-10-23 thomas struct gotd_repo *repo;
869 a42b418b 2023-01-02 thomas if (name[0] == '\0') {
870 a42b418b 2023-01-02 thomas fatalx("syntax error: empty repository name found in %s",
871 a42b418b 2023-01-02 thomas file->name);
874 0cbf8de7 2023-01-02 thomas if (strchr(name, '\n') != NULL)
875 0cbf8de7 2023-01-02 thomas fatalx("repository names must not contain linefeeds: %s", name);
877 3efd8e31 2022-10-23 thomas repo = calloc(1, sizeof(*repo));
878 3efd8e31 2022-10-23 thomas if (repo == NULL)
879 3efd8e31 2022-10-23 thomas fatalx("%s: calloc", __func__);
881 729a7e24 2022-11-17 thomas STAILQ_INIT(&repo->rules);
882 6d7eb4f7 2023-04-04 thomas TAILQ_INIT(&repo->protected_tag_namespaces);
883 6d7eb4f7 2023-04-04 thomas TAILQ_INIT(&repo->protected_branch_namespaces);
884 6d7eb4f7 2023-04-04 thomas TAILQ_INIT(&repo->protected_branches);
886 3efd8e31 2022-10-23 thomas if (strlcpy(repo->name, name, sizeof(repo->name)) >=
887 3efd8e31 2022-10-23 thomas sizeof(repo->name))
888 3efd8e31 2022-10-23 thomas fatalx("%s: strlcpy", __func__);
890 3efd8e31 2022-10-23 thomas TAILQ_INSERT_TAIL(&gotd->repos, repo, entry);
891 3efd8e31 2022-10-23 thomas gotd->nrepos++;
893 3efd8e31 2022-10-23 thomas return repo;
896 729a7e24 2022-11-17 thomas static void
897 729a7e24 2022-11-17 thomas conf_new_access_rule(struct gotd_repo *repo, enum gotd_access access,
898 729a7e24 2022-11-17 thomas int authorization, char *identifier)
900 729a7e24 2022-11-17 thomas struct gotd_access_rule *rule;
902 729a7e24 2022-11-17 thomas rule = calloc(1, sizeof(*rule));
903 729a7e24 2022-11-17 thomas if (rule == NULL)
904 729a7e24 2022-11-17 thomas fatal("calloc");
906 729a7e24 2022-11-17 thomas rule->access = access;
907 729a7e24 2022-11-17 thomas rule->authorization = authorization;
908 729a7e24 2022-11-17 thomas rule->identifier = identifier;
910 729a7e24 2022-11-17 thomas STAILQ_INSERT_TAIL(&repo->rules, rule, entry);
913 6d7eb4f7 2023-04-04 thomas static int
914 6d7eb4f7 2023-04-04 thomas refname_is_valid(char *refname)
916 6d7eb4f7 2023-04-04 thomas if (strlen(refname) < 5 || strncmp(refname, "refs/", 5) != 0) {
917 6d7eb4f7 2023-04-04 thomas yyerror("reference name must begin with \"refs/\": %s",
918 6d7eb4f7 2023-04-04 thomas refname);
919 6d7eb4f7 2023-04-04 thomas return 0;
922 6d7eb4f7 2023-04-04 thomas if (!got_ref_name_is_valid(refname)) {
923 6d7eb4f7 2023-04-04 thomas yyerror("invalid reference name: %s", refname);
924 6d7eb4f7 2023-04-04 thomas return 0;
927 6d7eb4f7 2023-04-04 thomas return 1;
930 6d7eb4f7 2023-04-04 thomas static int
931 57b6056a 2023-04-05 thomas conf_protect_ref_namespace(char **new, struct got_pathlist_head *refs,
932 57b6056a 2023-04-05 thomas char *namespace)
934 6d7eb4f7 2023-04-04 thomas const struct got_error *error;
935 57b6056a 2023-04-05 thomas struct got_pathlist_entry *pe;
938 57b6056a 2023-04-05 thomas *new = NULL;
940 6d7eb4f7 2023-04-04 thomas got_path_strip_trailing_slashes(namespace);
941 6d7eb4f7 2023-04-04 thomas if (!refname_is_valid(namespace))
942 6d7eb4f7 2023-04-04 thomas return -1;
943 6d7eb4f7 2023-04-04 thomas if (asprintf(&s, "%s/", namespace) == -1) {
944 6d7eb4f7 2023-04-04 thomas yyerror("asprintf: %s", strerror(errno));
945 6d7eb4f7 2023-04-04 thomas return -1;
948 57b6056a 2023-04-05 thomas error = got_pathlist_insert(&pe, refs, s, NULL);
949 57b6056a 2023-04-05 thomas if (error || pe == NULL) {
951 a4435ef0 2023-04-05 thomas if (error)
952 a4435ef0 2023-04-05 thomas yyerror("got_pathlist_insert: %s", error->msg);
954 3f0853b8 2023-04-07 thomas yyerror("duplicate protected namespace %s", namespace);
955 6d7eb4f7 2023-04-04 thomas return -1;
958 57b6056a 2023-04-05 thomas *new = s;
959 6d7eb4f7 2023-04-04 thomas return 0;
962 6d7eb4f7 2023-04-04 thomas static int
963 6d7eb4f7 2023-04-04 thomas conf_protect_tag_namespace(struct gotd_repo *repo, char *namespace)
965 57b6056a 2023-04-05 thomas struct got_pathlist_entry *pe;
966 57b6056a 2023-04-05 thomas char *new;
968 57b6056a 2023-04-05 thomas if (conf_protect_ref_namespace(&new, &repo->protected_tag_namespaces,
969 57b6056a 2023-04-05 thomas namespace) == -1)
970 57b6056a 2023-04-05 thomas return -1;
972 57b6056a 2023-04-05 thomas TAILQ_FOREACH(pe, &repo->protected_branch_namespaces, entry) {
973 57b6056a 2023-04-05 thomas if (strcmp(pe->path, new) == 0) {
974 3f0853b8 2023-04-07 thomas yyerror("duplicate protected namespace %s", namespace);
975 57b6056a 2023-04-05 thomas return -1;
979 57b6056a 2023-04-05 thomas return 0;
982 6d7eb4f7 2023-04-04 thomas static int
983 6d7eb4f7 2023-04-04 thomas conf_protect_branch_namespace(struct gotd_repo *repo, char *namespace)
985 57b6056a 2023-04-05 thomas struct got_pathlist_entry *pe;
986 57b6056a 2023-04-05 thomas char *new;
988 57b6056a 2023-04-05 thomas if (conf_protect_ref_namespace(&new,
989 57b6056a 2023-04-05 thomas &repo->protected_branch_namespaces, namespace) == -1)
990 57b6056a 2023-04-05 thomas return -1;
992 57b6056a 2023-04-05 thomas TAILQ_FOREACH(pe, &repo->protected_tag_namespaces, entry) {
993 57b6056a 2023-04-05 thomas if (strcmp(pe->path, new) == 0) {
994 3f0853b8 2023-04-07 thomas yyerror("duplicate protected namespace %s", namespace);
995 57b6056a 2023-04-05 thomas return -1;
999 57b6056a 2023-04-05 thomas return 0;
1002 6d7eb4f7 2023-04-04 thomas static int
1003 6d7eb4f7 2023-04-04 thomas conf_protect_branch(struct gotd_repo *repo, char *branchname)
1005 6d7eb4f7 2023-04-04 thomas const struct got_error *error;
1006 a4435ef0 2023-04-05 thomas struct got_pathlist_entry *new;
1007 6d7eb4f7 2023-04-04 thomas char *refname;
1009 6d7eb4f7 2023-04-04 thomas if (strncmp(branchname, "refs/heads/", 11) != 0) {
1010 6d7eb4f7 2023-04-04 thomas if (asprintf(&refname, "refs/heads/%s", branchname) == -1) {
1011 6d7eb4f7 2023-04-04 thomas yyerror("asprintf: %s", strerror(errno));
1012 6d7eb4f7 2023-04-04 thomas return -1;
1014 6d7eb4f7 2023-04-04 thomas } else {
1015 6d7eb4f7 2023-04-04 thomas refname = strdup(branchname);
1016 6d7eb4f7 2023-04-04 thomas if (refname == NULL) {
1017 6d7eb4f7 2023-04-04 thomas yyerror("strdup: %s", strerror(errno));
1018 6d7eb4f7 2023-04-04 thomas return -1;
1022 6d7eb4f7 2023-04-04 thomas if (!refname_is_valid(refname)) {
1023 6d7eb4f7 2023-04-04 thomas free(refname);
1024 6d7eb4f7 2023-04-04 thomas return -1;
1027 a4435ef0 2023-04-05 thomas error = got_pathlist_insert(&new, &repo->protected_branches,
1028 6d7eb4f7 2023-04-04 thomas refname, NULL);
1029 a4435ef0 2023-04-05 thomas if (error || new == NULL) {
1030 a4435ef0 2023-04-05 thomas free(refname);
1031 a4435ef0 2023-04-05 thomas if (error)
1032 a4435ef0 2023-04-05 thomas yyerror("got_pathlist_insert: %s", error->msg);
1034 a4435ef0 2023-04-05 thomas yyerror("duplicate protect branch %s", branchname);
1035 6d7eb4f7 2023-04-04 thomas return -1;
1038 6d7eb4f7 2023-04-04 thomas return 0;
1042 3efd8e31 2022-10-23 thomas symset(const char *nam, const char *val, int persist)
1044 3efd8e31 2022-10-23 thomas struct sym *sym;
1046 3efd8e31 2022-10-23 thomas TAILQ_FOREACH(sym, &symhead, entry) {
1047 3efd8e31 2022-10-23 thomas if (strcmp(nam, sym->nam) == 0)
1051 3efd8e31 2022-10-23 thomas if (sym != NULL) {
1052 3efd8e31 2022-10-23 thomas if (sym->persist == 1)
1053 3efd8e31 2022-10-23 thomas return (0);
1055 3efd8e31 2022-10-23 thomas free(sym->nam);
1056 3efd8e31 2022-10-23 thomas free(sym->val);
1057 3efd8e31 2022-10-23 thomas TAILQ_REMOVE(&symhead, sym, entry);
1058 3efd8e31 2022-10-23 thomas free(sym);
1061 3efd8e31 2022-10-23 thomas sym = calloc(1, sizeof(*sym));
1062 3efd8e31 2022-10-23 thomas if (sym == NULL)
1063 3efd8e31 2022-10-23 thomas return (-1);
1065 3efd8e31 2022-10-23 thomas sym->nam = strdup(nam);
1066 3efd8e31 2022-10-23 thomas if (sym->nam == NULL) {
1067 3efd8e31 2022-10-23 thomas free(sym);
1068 3efd8e31 2022-10-23 thomas return (-1);
1070 3efd8e31 2022-10-23 thomas sym->val = strdup(val);
1071 3efd8e31 2022-10-23 thomas if (sym->val == NULL) {
1072 3efd8e31 2022-10-23 thomas free(sym->nam);
1073 3efd8e31 2022-10-23 thomas free(sym);
1074 3efd8e31 2022-10-23 thomas return (-1);
1076 3efd8e31 2022-10-23 thomas sym->used = 0;
1077 3efd8e31 2022-10-23 thomas sym->persist = persist;
1078 3efd8e31 2022-10-23 thomas TAILQ_INSERT_TAIL(&symhead, sym, entry);
1079 3efd8e31 2022-10-23 thomas return (0);
1083 3efd8e31 2022-10-23 thomas symget(const char *nam)
1085 3efd8e31 2022-10-23 thomas struct sym *sym;
1087 3efd8e31 2022-10-23 thomas TAILQ_FOREACH(sym, &symhead, entry) {
1088 3efd8e31 2022-10-23 thomas if (strcmp(nam, sym->nam) == 0) {
1089 3efd8e31 2022-10-23 thomas sym->used = 1;
1090 3efd8e31 2022-10-23 thomas return (sym->val);
1093 3efd8e31 2022-10-23 thomas return (NULL);
1096 5dcb3a43 2023-04-01 thomas struct gotd_repo *
1097 5dcb3a43 2023-04-01 thomas gotd_find_repo_by_name(const char *repo_name, struct gotd *gotd)
1099 5dcb3a43 2023-04-01 thomas struct gotd_repo *repo;
1100 5dcb3a43 2023-04-01 thomas size_t namelen;
1102 5dcb3a43 2023-04-01 thomas TAILQ_FOREACH(repo, &gotd->repos, entry) {
1103 5dcb3a43 2023-04-01 thomas namelen = strlen(repo->name);
1104 5dcb3a43 2023-04-01 thomas if (strncmp(repo->name, repo_name, namelen) != 0)
1105 5dcb3a43 2023-04-01 thomas continue;
1106 5dcb3a43 2023-04-01 thomas if (repo_name[namelen] == '\0' ||
1107 5dcb3a43 2023-04-01 thomas strcmp(&repo_name[namelen], ".git") == 0)
1108 5dcb3a43 2023-04-01 thomas return repo;
1111 5dcb3a43 2023-04-01 thomas return NULL;
1114 6d7eb4f7 2023-04-04 thomas struct gotd_repo *
1115 6d7eb4f7 2023-04-04 thomas gotd_find_repo_by_path(const char *repo_path, struct gotd *gotd)
1117 6d7eb4f7 2023-04-04 thomas struct gotd_repo *repo;
1119 6d7eb4f7 2023-04-04 thomas TAILQ_FOREACH(repo, &gotd->repos, entry) {
1120 6d7eb4f7 2023-04-04 thomas if (strcmp(repo->path, repo_path) == 0)
1121 6d7eb4f7 2023-04-04 thomas return repo;
1124 6d7eb4f7 2023-04-04 thomas return NULL;
