2 13b2bc37 2022-10-23 stsp * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
3 13b2bc37 2022-10-23 stsp * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
4 13b2bc37 2022-10-23 stsp * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
5 13b2bc37 2022-10-23 stsp * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
6 13b2bc37 2022-10-23 stsp * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
7 13b2bc37 2022-10-23 stsp * Copyright (c) 2001 Markus Friedl. All rights reserved.
8 13b2bc37 2022-10-23 stsp * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
9 13b2bc37 2022-10-23 stsp * Copyright (c) 2001 Theo de Raadt. All rights reserved.
11 13b2bc37 2022-10-23 stsp * Permission to use, copy, modify, and distribute this software for any
12 13b2bc37 2022-10-23 stsp * purpose with or without fee is hereby granted, provided that the above
13 13b2bc37 2022-10-23 stsp * copyright notice and this permission notice appear in all copies.
15 13b2bc37 2022-10-23 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16 13b2bc37 2022-10-23 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 13b2bc37 2022-10-23 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18 13b2bc37 2022-10-23 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 13b2bc37 2022-10-23 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 13b2bc37 2022-10-23 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 13b2bc37 2022-10-23 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 13b2bc37 2022-10-23 stsp #include <sys/time.h>
26 13b2bc37 2022-10-23 stsp #include <sys/types.h>
27 13b2bc37 2022-10-23 stsp #include <sys/queue.h>
28 13b2bc37 2022-10-23 stsp #include <sys/stat.h>
30 13b2bc37 2022-10-23 stsp #include <ctype.h>
31 13b2bc37 2022-10-23 stsp #include <err.h>
32 13b2bc37 2022-10-23 stsp #include <errno.h>
33 13b2bc37 2022-10-23 stsp #include <event.h>
34 13b2bc37 2022-10-23 stsp #include <imsg.h>
35 13b2bc37 2022-10-23 stsp #include <limits.h>
36 1963be61 2023-04-14 stsp #include <pwd.h>
37 13b2bc37 2022-10-23 stsp #include <sha1.h>
38 5822e79e 2023-02-23 op #include <sha2.h>
39 13b2bc37 2022-10-23 stsp #include <stdarg.h>
40 13b2bc37 2022-10-23 stsp #include <stdlib.h>
41 13b2bc37 2022-10-23 stsp #include <stdio.h>
42 13b2bc37 2022-10-23 stsp #include <string.h>
43 13b2bc37 2022-10-23 stsp #include <syslog.h>
44 13b2bc37 2022-10-23 stsp #include <unistd.h>
46 13b2bc37 2022-10-23 stsp #include "got_error.h"
47 13b2bc37 2022-10-23 stsp #include "got_path.h"
48 9afa3de2 2023-04-04 stsp #include "got_reference.h"
50 13b2bc37 2022-10-23 stsp #include "log.h"
51 13b2bc37 2022-10-23 stsp #include "gotd.h"
52 40b85cca 2023-01-03 stsp #include "auth.h"
53 40b85cca 2023-01-03 stsp #include "listen.h"
55 13b2bc37 2022-10-23 stsp TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
56 13b2bc37 2022-10-23 stsp static struct file {
57 13b2bc37 2022-10-23 stsp TAILQ_ENTRY(file) entry;
58 13b2bc37 2022-10-23 stsp FILE *stream;
63 e9e0377f 2023-03-29 stsp struct file *newfile(const char *, int, int);
64 13b2bc37 2022-10-23 stsp static void closefile(struct file *);
65 13b2bc37 2022-10-23 stsp int check_file_secrecy(int, const char *);
66 13b2bc37 2022-10-23 stsp int yyparse(void);
67 13b2bc37 2022-10-23 stsp int yylex(void);
68 13b2bc37 2022-10-23 stsp int yyerror(const char *, ...)
69 13b2bc37 2022-10-23 stsp __attribute__((__format__ (printf, 1, 2)))
70 13b2bc37 2022-10-23 stsp __attribute__((__nonnull__ (1)));
71 13b2bc37 2022-10-23 stsp int kw_cmp(const void *, const void *);
72 13b2bc37 2022-10-23 stsp int lookup(char *);
73 13b2bc37 2022-10-23 stsp int lgetc(int);
74 13b2bc37 2022-10-23 stsp int lungetc(int);
75 13b2bc37 2022-10-23 stsp int findeol(void);
77 13b2bc37 2022-10-23 stsp TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
78 13b2bc37 2022-10-23 stsp struct sym {
79 13b2bc37 2022-10-23 stsp TAILQ_ENTRY(sym) entry;
81 13b2bc37 2022-10-23 stsp int persist;
86 13b2bc37 2022-10-23 stsp int symset(const char *, const char *, int);
87 13b2bc37 2022-10-23 stsp char *symget(const char *);
89 13b2bc37 2022-10-23 stsp static int errors;
91 13b2bc37 2022-10-23 stsp static struct gotd *gotd;
92 13b2bc37 2022-10-23 stsp static struct gotd_repo *new_repo;
93 fc89c900 2023-01-03 op static int conf_limit_user_connections(const char *, int);
94 13b2bc37 2022-10-23 stsp static struct gotd_repo *conf_new_repo(const char *);
95 533abaaa 2022-11-18 op static void conf_new_access_rule(struct gotd_repo *,
96 533abaaa 2022-11-18 op enum gotd_access, int, char *);
97 f850236e 2023-04-05 stsp static int conf_protect_ref_namespace(char **,
98 9afa3de2 2023-04-04 stsp struct got_pathlist_head *, char *);
99 9afa3de2 2023-04-04 stsp static int conf_protect_tag_namespace(struct gotd_repo *,
101 9afa3de2 2023-04-04 stsp static int conf_protect_branch_namespace(
102 9afa3de2 2023-04-04 stsp struct gotd_repo *, char *);
103 9afa3de2 2023-04-04 stsp static int conf_protect_branch(struct gotd_repo *,
105 13b2bc37 2022-10-23 stsp static enum gotd_procid gotd_proc_id;
107 13b2bc37 2022-10-23 stsp typedef struct {
109 13b2bc37 2022-10-23 stsp long long number;
110 13b2bc37 2022-10-23 stsp char *string;
111 40b85cca 2023-01-03 stsp struct timeval tv;
113 13b2bc37 2022-10-23 stsp int lineno;
118 83577462 2023-01-05 stsp %token PATH ERROR LISTEN ON USER REPOSITORY PERMIT DENY
119 40b85cca 2023-01-03 stsp %token RO RW CONNECTION LIMIT REQUEST TIMEOUT
120 9afa3de2 2023-04-04 stsp %token PROTECT NAMESPACE BRANCH TAG
122 13b2bc37 2022-10-23 stsp %token <v.string> STRING
123 13b2bc37 2022-10-23 stsp %token <v.number> NUMBER
124 40b85cca 2023-01-03 stsp %type <v.tv> timeout
129 13b2bc37 2022-10-23 stsp | grammar '\n'
130 13b2bc37 2022-10-23 stsp | grammar main '\n'
131 13b2bc37 2022-10-23 stsp | grammar repository '\n'
134 40b85cca 2023-01-03 stsp timeout : NUMBER {
135 40b85cca 2023-01-03 stsp if ($1 < 0) {
136 40b85cca 2023-01-03 stsp yyerror("invalid timeout: %lld", $1);
139 40b85cca 2023-01-03 stsp $$.tv_sec = $1;
140 40b85cca 2023-01-03 stsp $$.tv_usec = 0;
143 2be11cde 2023-01-03 op const char *errstr;
144 2be11cde 2023-01-03 op const char *type = "seconds";
148 2be11cde 2023-01-03 op if (*$1 == '\0') {
149 2be11cde 2023-01-03 op yyerror("invalid number of seconds: %s", $1);
154 2be11cde 2023-01-03 op len = strlen($1);
155 2be11cde 2023-01-03 op switch ($1[len - 1]) {
158 2be11cde 2023-01-03 op $1[len - 1] = '\0';
162 2be11cde 2023-01-03 op type = "minutes";
164 2be11cde 2023-01-03 op $1[len - 1] = '\0';
168 2be11cde 2023-01-03 op type = "hours";
169 2be11cde 2023-01-03 op mul = 60 * 60;
170 2be11cde 2023-01-03 op $1[len - 1] = '\0';
174 2be11cde 2023-01-03 op $$.tv_usec = 0;
175 71cd355c 2023-01-03 op $$.tv_sec = strtonum($1, 0, INT_MAX / mul, &errstr);
176 2be11cde 2023-01-03 op if (errstr) {
177 2be11cde 2023-01-03 op yyerror("number of %s is %s: %s", type,
183 2be11cde 2023-01-03 op $$.tv_sec *= mul;
188 83577462 2023-01-05 stsp main : LISTEN ON STRING {
189 abe844e2 2023-01-18 op if (!got_path_is_absolute($3))
190 abe844e2 2023-01-18 op yyerror("bad unix socket path \"%s\": "
191 abe844e2 2023-01-18 op "must be an absolute path", $3);
193 d93ecf7d 2022-12-14 stsp if (gotd_proc_id == PROC_LISTEN) {
194 83577462 2023-01-05 stsp if (strlcpy(gotd->unix_socket_path, $3,
195 13b2bc37 2022-10-23 stsp sizeof(gotd->unix_socket_path)) >=
196 13b2bc37 2022-10-23 stsp sizeof(gotd->unix_socket_path)) {
197 13b2bc37 2022-10-23 stsp yyerror("%s: unix socket path too long",
205 13b2bc37 2022-10-23 stsp | USER STRING {
206 13b2bc37 2022-10-23 stsp if (strlcpy(gotd->user_name, $2,
207 13b2bc37 2022-10-23 stsp sizeof(gotd->user_name)) >=
208 13b2bc37 2022-10-23 stsp sizeof(gotd->user_name)) {
209 13b2bc37 2022-10-23 stsp yyerror("%s: user name too long", __func__);
215 40b85cca 2023-01-03 stsp | connection
218 40b85cca 2023-01-03 stsp connection : CONNECTION '{' optnl conflags_l '}'
219 40b85cca 2023-01-03 stsp | CONNECTION conflags
221 40b85cca 2023-01-03 stsp conflags_l : conflags optnl conflags_l
222 40b85cca 2023-01-03 stsp | conflags optnl
225 40b85cca 2023-01-03 stsp conflags : REQUEST TIMEOUT timeout {
226 46e48ac7 2023-01-03 stsp if ($3.tv_sec <= 0) {
227 46e48ac7 2023-01-03 stsp yyerror("invalid timeout: %lld", $3.tv_sec);
230 40b85cca 2023-01-03 stsp memcpy(&gotd->request_timeout, &$3,
231 40b85cca 2023-01-03 stsp sizeof(gotd->request_timeout));
233 40b85cca 2023-01-03 stsp | LIMIT USER STRING NUMBER {
234 40b85cca 2023-01-03 stsp if (gotd_proc_id == PROC_LISTEN &&
235 40b85cca 2023-01-03 stsp conf_limit_user_connections($3, $4) == -1) {
243 9afa3de2 2023-04-04 stsp protect : PROTECT '{' optnl protectflags_l '}'
244 9afa3de2 2023-04-04 stsp | PROTECT protectflags
246 9afa3de2 2023-04-04 stsp protectflags_l : protectflags optnl protectflags_l
247 9afa3de2 2023-04-04 stsp | protectflags optnl
250 9afa3de2 2023-04-04 stsp protectflags : TAG NAMESPACE STRING {
251 9afa3de2 2023-04-04 stsp if (gotd_proc_id == PROC_GOTD ||
252 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_REPO_WRITE) {
253 9afa3de2 2023-04-04 stsp if (conf_protect_tag_namespace(new_repo, $3)) {
260 9afa3de2 2023-04-04 stsp | BRANCH NAMESPACE STRING {
261 9afa3de2 2023-04-04 stsp if (gotd_proc_id == PROC_GOTD ||
262 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_REPO_WRITE) {
263 9afa3de2 2023-04-04 stsp if (conf_protect_branch_namespace(new_repo,
271 9afa3de2 2023-04-04 stsp | BRANCH STRING {
272 9afa3de2 2023-04-04 stsp if (gotd_proc_id == PROC_GOTD ||
273 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_REPO_WRITE) {
274 9afa3de2 2023-04-04 stsp if (conf_protect_branch(new_repo, $2)) {
283 13b2bc37 2022-10-23 stsp repository : REPOSITORY STRING {
284 13b2bc37 2022-10-23 stsp struct gotd_repo *repo;
286 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(repo, &gotd->repos, entry) {
287 13b2bc37 2022-10-23 stsp if (strcmp(repo->name, $2) == 0) {
288 13b2bc37 2022-10-23 stsp yyerror("duplicate repository '%s'", $2);
294 5e25db14 2022-12-29 stsp if (gotd_proc_id == PROC_GOTD ||
295 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_AUTH ||
296 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_REPO_WRITE) {
297 13b2bc37 2022-10-23 stsp new_repo = conf_new_repo($2);
300 13b2bc37 2022-10-23 stsp } '{' optnl repoopts2 '}' {
304 13b2bc37 2022-10-23 stsp repoopts1 : PATH STRING {
305 5e25db14 2022-12-29 stsp if (gotd_proc_id == PROC_GOTD ||
306 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_AUTH ||
307 9afa3de2 2023-04-04 stsp gotd_proc_id == PROC_REPO_WRITE) {
308 13b2bc37 2022-10-23 stsp if (!got_path_is_absolute($2)) {
309 13b2bc37 2022-10-23 stsp yyerror("%s: path %s is not absolute",
310 13b2bc37 2022-10-23 stsp __func__, $2);
314 9b7f22a6 2023-01-08 stsp if (realpath($2, new_repo->path) == NULL) {
315 859316d0 2023-04-12 stsp yyerror("realpath %s: %s", $2,
316 859316d0 2023-04-12 stsp strerror(errno));
318 859316d0 2023-04-12 stsp * Give admin a chance to create
319 859316d0 2023-04-12 stsp * missing repositories at run-time.
321 859316d0 2023-04-12 stsp if (errno != ENOENT) {
324 859316d0 2023-04-12 stsp } else if (strlcpy(new_repo->path, $2,
325 859316d0 2023-04-12 stsp sizeof(new_repo->path)) >=
326 859316d0 2023-04-12 stsp sizeof(new_repo->path))
327 859316d0 2023-04-12 stsp yyerror("path too long");
332 0ccf3acb 2022-11-16 stsp | PERMIT RO STRING {
333 5e25db14 2022-12-29 stsp if (gotd_proc_id == PROC_AUTH) {
334 0ccf3acb 2022-11-16 stsp conf_new_access_rule(new_repo,
335 0ccf3acb 2022-11-16 stsp GOTD_ACCESS_PERMITTED, GOTD_AUTH_READ, $3);
339 0ccf3acb 2022-11-16 stsp | PERMIT RW STRING {
340 5e25db14 2022-12-29 stsp if (gotd_proc_id == PROC_AUTH) {
341 0ccf3acb 2022-11-16 stsp conf_new_access_rule(new_repo,
342 0ccf3acb 2022-11-16 stsp GOTD_ACCESS_PERMITTED,
343 0ccf3acb 2022-11-16 stsp GOTD_AUTH_READ | GOTD_AUTH_WRITE, $3);
347 0ccf3acb 2022-11-16 stsp | DENY STRING {
348 5e25db14 2022-12-29 stsp if (gotd_proc_id == PROC_AUTH) {
349 0ccf3acb 2022-11-16 stsp conf_new_access_rule(new_repo,
350 0ccf3acb 2022-11-16 stsp GOTD_ACCESS_DENIED, 0, $2);
357 13b2bc37 2022-10-23 stsp repoopts2 : repoopts2 repoopts1 nl
358 13b2bc37 2022-10-23 stsp | repoopts1 optnl
361 13b2bc37 2022-10-23 stsp nl : '\n' optnl
364 13b2bc37 2022-10-23 stsp optnl : '\n' optnl /* zero or more newlines */
365 13b2bc37 2022-10-23 stsp | /* empty */
370 13b2bc37 2022-10-23 stsp struct keywords {
371 13b2bc37 2022-10-23 stsp const char *k_name;
376 13b2bc37 2022-10-23 stsp yyerror(const char *fmt, ...)
378 13b2bc37 2022-10-23 stsp va_list ap;
381 13b2bc37 2022-10-23 stsp file->errors++;
382 13b2bc37 2022-10-23 stsp va_start(ap, fmt);
383 13b2bc37 2022-10-23 stsp if (vasprintf(&msg, fmt, ap) == -1)
384 13b2bc37 2022-10-23 stsp fatalx("yyerror vasprintf");
385 13b2bc37 2022-10-23 stsp va_end(ap);
386 13b2bc37 2022-10-23 stsp logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
388 13b2bc37 2022-10-23 stsp return (0);
392 13b2bc37 2022-10-23 stsp kw_cmp(const void *k, const void *e)
394 13b2bc37 2022-10-23 stsp return (strcmp(k, ((const struct keywords *)e)->k_name));
398 13b2bc37 2022-10-23 stsp lookup(char *s)
400 13b2bc37 2022-10-23 stsp /* This has to be sorted always. */
401 13b2bc37 2022-10-23 stsp static const struct keywords keywords[] = {
402 9afa3de2 2023-04-04 stsp { "branch", BRANCH },
403 40b85cca 2023-01-03 stsp { "connection", CONNECTION },
404 0ccf3acb 2022-11-16 stsp { "deny", DENY },
405 40b85cca 2023-01-03 stsp { "limit", LIMIT },
406 83577462 2023-01-05 stsp { "listen", LISTEN },
407 9afa3de2 2023-04-04 stsp { "namespace", NAMESPACE },
408 13b2bc37 2022-10-23 stsp { "on", ON },
409 13b2bc37 2022-10-23 stsp { "path", PATH },
410 0ccf3acb 2022-11-16 stsp { "permit", PERMIT },
411 9afa3de2 2023-04-04 stsp { "protect", PROTECT },
412 13b2bc37 2022-10-23 stsp { "repository", REPOSITORY },
413 40b85cca 2023-01-03 stsp { "request", REQUEST },
414 0ccf3acb 2022-11-16 stsp { "ro", RO },
415 0ccf3acb 2022-11-16 stsp { "rw", RW },
416 9afa3de2 2023-04-04 stsp { "tag", TAG },
417 40b85cca 2023-01-03 stsp { "timeout", TIMEOUT },
418 13b2bc37 2022-10-23 stsp { "user", USER },
420 13b2bc37 2022-10-23 stsp const struct keywords *p;
422 13b2bc37 2022-10-23 stsp p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
423 13b2bc37 2022-10-23 stsp sizeof(keywords[0]), kw_cmp);
426 13b2bc37 2022-10-23 stsp return (p->k_val);
428 13b2bc37 2022-10-23 stsp return (STRING);
431 13b2bc37 2022-10-23 stsp #define MAXPUSHBACK 128
433 13b2bc37 2022-10-23 stsp unsigned char *parsebuf;
434 13b2bc37 2022-10-23 stsp int parseindex;
435 13b2bc37 2022-10-23 stsp unsigned char pushback_buffer[MAXPUSHBACK];
436 13b2bc37 2022-10-23 stsp int pushback_index = 0;
439 13b2bc37 2022-10-23 stsp lgetc(int quotec)
441 13b2bc37 2022-10-23 stsp int c, next;
443 13b2bc37 2022-10-23 stsp if (parsebuf) {
444 13b2bc37 2022-10-23 stsp /* Read character from the parsebuffer instead of input. */
445 13b2bc37 2022-10-23 stsp if (parseindex >= 0) {
446 13b2bc37 2022-10-23 stsp c = parsebuf[parseindex++];
447 13b2bc37 2022-10-23 stsp if (c != '\0')
448 13b2bc37 2022-10-23 stsp return (c);
449 13b2bc37 2022-10-23 stsp parsebuf = NULL;
451 13b2bc37 2022-10-23 stsp parseindex++;
454 13b2bc37 2022-10-23 stsp if (pushback_index)
455 13b2bc37 2022-10-23 stsp return (pushback_buffer[--pushback_index]);
457 13b2bc37 2022-10-23 stsp if (quotec) {
458 13b2bc37 2022-10-23 stsp c = getc(file->stream);
459 13b2bc37 2022-10-23 stsp if (c == EOF)
460 13b2bc37 2022-10-23 stsp yyerror("reached end of file while parsing "
461 13b2bc37 2022-10-23 stsp "quoted string");
462 13b2bc37 2022-10-23 stsp return (c);
465 13b2bc37 2022-10-23 stsp c = getc(file->stream);
466 13b2bc37 2022-10-23 stsp while (c == '\\') {
467 13b2bc37 2022-10-23 stsp next = getc(file->stream);
468 13b2bc37 2022-10-23 stsp if (next != '\n') {
472 13b2bc37 2022-10-23 stsp yylval.lineno = file->lineno;
473 13b2bc37 2022-10-23 stsp file->lineno++;
474 13b2bc37 2022-10-23 stsp c = getc(file->stream);
477 13b2bc37 2022-10-23 stsp return (c);
481 13b2bc37 2022-10-23 stsp lungetc(int c)
483 13b2bc37 2022-10-23 stsp if (c == EOF)
484 13b2bc37 2022-10-23 stsp return (EOF);
485 13b2bc37 2022-10-23 stsp if (parsebuf) {
486 13b2bc37 2022-10-23 stsp parseindex--;
487 13b2bc37 2022-10-23 stsp if (parseindex >= 0)
488 13b2bc37 2022-10-23 stsp return (c);
490 13b2bc37 2022-10-23 stsp if (pushback_index < MAXPUSHBACK-1)
491 13b2bc37 2022-10-23 stsp return (pushback_buffer[pushback_index++] = c);
493 13b2bc37 2022-10-23 stsp return (EOF);
497 13b2bc37 2022-10-23 stsp findeol(void)
501 13b2bc37 2022-10-23 stsp parsebuf = NULL;
503 13b2bc37 2022-10-23 stsp /* Skip to either EOF or the first real EOL. */
504 13b2bc37 2022-10-23 stsp while (1) {
505 13b2bc37 2022-10-23 stsp if (pushback_index)
506 13b2bc37 2022-10-23 stsp c = pushback_buffer[--pushback_index];
508 13b2bc37 2022-10-23 stsp c = lgetc(0);
509 13b2bc37 2022-10-23 stsp if (c == '\n') {
510 13b2bc37 2022-10-23 stsp file->lineno++;
513 13b2bc37 2022-10-23 stsp if (c == EOF)
516 13b2bc37 2022-10-23 stsp return (ERROR);
520 13b2bc37 2022-10-23 stsp yylex(void)
522 13b2bc37 2022-10-23 stsp unsigned char buf[8096];
523 13b2bc37 2022-10-23 stsp unsigned char *p, *val;
524 13b2bc37 2022-10-23 stsp int quotec, next, c;
529 13b2bc37 2022-10-23 stsp c = lgetc(0);
530 13b2bc37 2022-10-23 stsp while (c == ' ' || c == '\t')
531 13b2bc37 2022-10-23 stsp c = lgetc(0); /* nothing */
533 13b2bc37 2022-10-23 stsp yylval.lineno = file->lineno;
534 13b2bc37 2022-10-23 stsp if (c == '#') {
535 13b2bc37 2022-10-23 stsp c = lgetc(0);
536 13b2bc37 2022-10-23 stsp while (c != '\n' && c != EOF)
537 13b2bc37 2022-10-23 stsp c = lgetc(0); /* nothing */
539 13b2bc37 2022-10-23 stsp if (c == '$' && parsebuf == NULL) {
540 13b2bc37 2022-10-23 stsp while (1) {
541 13b2bc37 2022-10-23 stsp c = lgetc(0);
542 13b2bc37 2022-10-23 stsp if (c == EOF)
543 13b2bc37 2022-10-23 stsp return (0);
545 13b2bc37 2022-10-23 stsp if (p + 1 >= buf + sizeof(buf) - 1) {
546 13b2bc37 2022-10-23 stsp yyerror("string too long");
547 13b2bc37 2022-10-23 stsp return (findeol());
549 13b2bc37 2022-10-23 stsp if (isalnum(c) || c == '_') {
554 13b2bc37 2022-10-23 stsp lungetc(c);
557 13b2bc37 2022-10-23 stsp val = symget(buf);
558 13b2bc37 2022-10-23 stsp if (val == NULL) {
559 13b2bc37 2022-10-23 stsp yyerror("macro '%s' not defined", buf);
560 13b2bc37 2022-10-23 stsp return (findeol());
562 13b2bc37 2022-10-23 stsp parsebuf = val;
563 13b2bc37 2022-10-23 stsp parseindex = 0;
567 13b2bc37 2022-10-23 stsp switch (c) {
570 13b2bc37 2022-10-23 stsp quotec = c;
571 13b2bc37 2022-10-23 stsp while (1) {
572 13b2bc37 2022-10-23 stsp c = lgetc(quotec);
573 13b2bc37 2022-10-23 stsp if (c == EOF)
574 13b2bc37 2022-10-23 stsp return (0);
575 13b2bc37 2022-10-23 stsp if (c == '\n') {
576 13b2bc37 2022-10-23 stsp file->lineno++;
578 13b2bc37 2022-10-23 stsp } else if (c == '\\') {
579 13b2bc37 2022-10-23 stsp next = lgetc(quotec);
580 13b2bc37 2022-10-23 stsp if (next == EOF)
581 13b2bc37 2022-10-23 stsp return (0);
582 13b2bc37 2022-10-23 stsp if (next == quotec || c == ' ' || c == '\t')
584 13b2bc37 2022-10-23 stsp else if (next == '\n') {
585 13b2bc37 2022-10-23 stsp file->lineno++;
588 13b2bc37 2022-10-23 stsp lungetc(next);
589 13b2bc37 2022-10-23 stsp } else if (c == quotec) {
592 13b2bc37 2022-10-23 stsp } else if (c == '\0') {
593 13b2bc37 2022-10-23 stsp yyerror("syntax error");
594 13b2bc37 2022-10-23 stsp return (findeol());
596 13b2bc37 2022-10-23 stsp if (p + 1 >= buf + sizeof(buf) - 1) {
597 13b2bc37 2022-10-23 stsp yyerror("string too long");
598 13b2bc37 2022-10-23 stsp return (findeol());
602 13b2bc37 2022-10-23 stsp yylval.v.string = strdup(buf);
603 13b2bc37 2022-10-23 stsp if (yylval.v.string == NULL)
604 13b2bc37 2022-10-23 stsp err(1, "yylex: strdup");
605 13b2bc37 2022-10-23 stsp return (STRING);
608 13b2bc37 2022-10-23 stsp #define allowed_to_end_number(x) \
609 13b2bc37 2022-10-23 stsp (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
611 13b2bc37 2022-10-23 stsp if (c == '-' || isdigit(c)) {
614 13b2bc37 2022-10-23 stsp if ((unsigned)(p-buf) >= sizeof(buf)) {
615 13b2bc37 2022-10-23 stsp yyerror("string too long");
616 13b2bc37 2022-10-23 stsp return (findeol());
618 13b2bc37 2022-10-23 stsp c = lgetc(0);
619 13b2bc37 2022-10-23 stsp } while (c != EOF && isdigit(c));
620 13b2bc37 2022-10-23 stsp lungetc(c);
621 13b2bc37 2022-10-23 stsp if (p == buf + 1 && buf[0] == '-')
622 13b2bc37 2022-10-23 stsp goto nodigits;
623 13b2bc37 2022-10-23 stsp if (c == EOF || allowed_to_end_number(c)) {
624 13b2bc37 2022-10-23 stsp const char *errstr = NULL;
627 13b2bc37 2022-10-23 stsp yylval.v.number = strtonum(buf, LLONG_MIN,
628 13b2bc37 2022-10-23 stsp LLONG_MAX, &errstr);
629 13b2bc37 2022-10-23 stsp if (errstr) {
630 13b2bc37 2022-10-23 stsp yyerror("\"%s\" invalid number: %s",
631 13b2bc37 2022-10-23 stsp buf, errstr);
632 13b2bc37 2022-10-23 stsp return (findeol());
634 13b2bc37 2022-10-23 stsp return (NUMBER);
637 13b2bc37 2022-10-23 stsp while (p > buf + 1)
638 13b2bc37 2022-10-23 stsp lungetc(*--p);
640 13b2bc37 2022-10-23 stsp if (c == '-')
641 13b2bc37 2022-10-23 stsp return (c);
645 13b2bc37 2022-10-23 stsp #define allowed_in_string(x) \
646 13b2bc37 2022-10-23 stsp (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
647 13b2bc37 2022-10-23 stsp x != '{' && x != '}' && \
648 13b2bc37 2022-10-23 stsp x != '!' && x != '=' && x != '#' && \
651 13b2bc37 2022-10-23 stsp if (isalnum(c) || c == ':' || c == '_') {
654 13b2bc37 2022-10-23 stsp if ((unsigned)(p-buf) >= sizeof(buf)) {
655 13b2bc37 2022-10-23 stsp yyerror("string too long");
656 13b2bc37 2022-10-23 stsp return (findeol());
658 13b2bc37 2022-10-23 stsp c = lgetc(0);
659 13b2bc37 2022-10-23 stsp } while (c != EOF && (allowed_in_string(c)));
660 13b2bc37 2022-10-23 stsp lungetc(c);
662 13b2bc37 2022-10-23 stsp token = lookup(buf);
663 13b2bc37 2022-10-23 stsp if (token == STRING) {
664 13b2bc37 2022-10-23 stsp yylval.v.string = strdup(buf);
665 13b2bc37 2022-10-23 stsp if (yylval.v.string == NULL)
666 13b2bc37 2022-10-23 stsp err(1, "yylex: strdup");
668 13b2bc37 2022-10-23 stsp return (token);
670 13b2bc37 2022-10-23 stsp if (c == '\n') {
671 13b2bc37 2022-10-23 stsp yylval.lineno = file->lineno;
672 13b2bc37 2022-10-23 stsp file->lineno++;
674 13b2bc37 2022-10-23 stsp if (c == EOF)
675 13b2bc37 2022-10-23 stsp return (0);
676 13b2bc37 2022-10-23 stsp return (c);
680 13b2bc37 2022-10-23 stsp check_file_secrecy(int fd, const char *fname)
682 13b2bc37 2022-10-23 stsp struct stat st;
684 13b2bc37 2022-10-23 stsp if (fstat(fd, &st)) {
685 13b2bc37 2022-10-23 stsp log_warn("cannot stat %s", fname);
686 13b2bc37 2022-10-23 stsp return (-1);
688 13b2bc37 2022-10-23 stsp if (st.st_uid != 0 && st.st_uid != getuid()) {
689 13b2bc37 2022-10-23 stsp log_warnx("%s: owner not root or current user", fname);
690 13b2bc37 2022-10-23 stsp return (-1);
692 13b2bc37 2022-10-23 stsp if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
693 13b2bc37 2022-10-23 stsp log_warnx("%s: group writable or world read/writable", fname);
694 13b2bc37 2022-10-23 stsp return (-1);
696 13b2bc37 2022-10-23 stsp return (0);
699 13b2bc37 2022-10-23 stsp struct file *
700 e9e0377f 2023-03-29 stsp newfile(const char *name, int secret, int required)
702 13b2bc37 2022-10-23 stsp struct file *nfile;
704 13b2bc37 2022-10-23 stsp nfile = calloc(1, sizeof(struct file));
705 13b2bc37 2022-10-23 stsp if (nfile == NULL) {
706 13b2bc37 2022-10-23 stsp log_warn("calloc");
707 13b2bc37 2022-10-23 stsp return (NULL);
709 13b2bc37 2022-10-23 stsp nfile->name = strdup(name);
710 13b2bc37 2022-10-23 stsp if (nfile->name == NULL) {
711 13b2bc37 2022-10-23 stsp log_warn("strdup");
712 13b2bc37 2022-10-23 stsp free(nfile);
713 13b2bc37 2022-10-23 stsp return (NULL);
715 13b2bc37 2022-10-23 stsp nfile->stream = fopen(nfile->name, "r");
716 13b2bc37 2022-10-23 stsp if (nfile->stream == NULL) {
717 e9e0377f 2023-03-29 stsp if (required)
718 e9e0377f 2023-03-29 stsp log_warn("open %s", nfile->name);
719 13b2bc37 2022-10-23 stsp free(nfile->name);
720 13b2bc37 2022-10-23 stsp free(nfile);
721 13b2bc37 2022-10-23 stsp return (NULL);
722 13b2bc37 2022-10-23 stsp } else if (secret &&
723 13b2bc37 2022-10-23 stsp check_file_secrecy(fileno(nfile->stream), nfile->name)) {
724 13b2bc37 2022-10-23 stsp fclose(nfile->stream);
725 13b2bc37 2022-10-23 stsp free(nfile->name);
726 13b2bc37 2022-10-23 stsp free(nfile);
727 13b2bc37 2022-10-23 stsp return (NULL);
729 13b2bc37 2022-10-23 stsp nfile->lineno = 1;
730 13b2bc37 2022-10-23 stsp return (nfile);
733 13b2bc37 2022-10-23 stsp static void
734 13b2bc37 2022-10-23 stsp closefile(struct file *xfile)
736 13b2bc37 2022-10-23 stsp fclose(xfile->stream);
737 13b2bc37 2022-10-23 stsp free(xfile->name);
738 13b2bc37 2022-10-23 stsp free(xfile);
742 13b2bc37 2022-10-23 stsp parse_config(const char *filename, enum gotd_procid proc_id,
743 e9e0377f 2023-03-29 stsp struct gotd *env, int require_config_file)
745 13b2bc37 2022-10-23 stsp struct sym *sym, *next;
746 3b706203 2023-01-02 stsp struct gotd_repo *repo;
748 13b2bc37 2022-10-23 stsp memset(env, 0, sizeof(*env));
750 13b2bc37 2022-10-23 stsp gotd = env;
751 13b2bc37 2022-10-23 stsp gotd_proc_id = proc_id;
752 13b2bc37 2022-10-23 stsp TAILQ_INIT(&gotd->repos);
754 13b2bc37 2022-10-23 stsp /* Apply default values. */
755 13b2bc37 2022-10-23 stsp if (strlcpy(gotd->unix_socket_path, GOTD_UNIX_SOCKET,
756 13b2bc37 2022-10-23 stsp sizeof(gotd->unix_socket_path)) >= sizeof(gotd->unix_socket_path)) {
757 13b2bc37 2022-10-23 stsp fprintf(stderr, "%s: unix socket path too long", __func__);
760 13b2bc37 2022-10-23 stsp if (strlcpy(gotd->user_name, GOTD_USER,
761 13b2bc37 2022-10-23 stsp sizeof(gotd->user_name)) >= sizeof(gotd->user_name)) {
762 13b2bc37 2022-10-23 stsp fprintf(stderr, "%s: user name too long", __func__);
766 40b85cca 2023-01-03 stsp gotd->request_timeout.tv_sec = GOTD_DEFAULT_REQUEST_TIMEOUT;
767 40b85cca 2023-01-03 stsp gotd->request_timeout.tv_usec = 0;
769 e9e0377f 2023-03-29 stsp file = newfile(filename, 0, require_config_file);
770 3fa763e5 2023-03-01 stsp if (file == NULL)
771 e9e0377f 2023-03-29 stsp return require_config_file ? -1 : 0;
774 13b2bc37 2022-10-23 stsp errors = file->errors;
775 13b2bc37 2022-10-23 stsp closefile(file);
777 13b2bc37 2022-10-23 stsp /* Free macros and check which have not been used. */
778 13b2bc37 2022-10-23 stsp TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
779 13b2bc37 2022-10-23 stsp if ((gotd->verbosity > 1) && !sym->used)
780 13b2bc37 2022-10-23 stsp fprintf(stderr, "warning: macro '%s' not used\n",
782 13b2bc37 2022-10-23 stsp if (!sym->persist) {
783 13b2bc37 2022-10-23 stsp free(sym->nam);
784 13b2bc37 2022-10-23 stsp free(sym->val);
785 13b2bc37 2022-10-23 stsp TAILQ_REMOVE(&symhead, sym, entry);
790 13b2bc37 2022-10-23 stsp if (errors)
791 13b2bc37 2022-10-23 stsp return (-1);
793 3b706203 2023-01-02 stsp TAILQ_FOREACH(repo, &gotd->repos, entry) {
794 3b706203 2023-01-02 stsp if (repo->path[0] == '\0') {
795 2507ffb7 2023-01-02 stsp log_warnx("repository \"%s\": no path provided in "
796 2507ffb7 2023-01-02 stsp "configuration file", repo->name);
797 3b706203 2023-01-02 stsp return (-1);
801 809a54db 2023-01-18 op if (proc_id == PROC_GOTD && TAILQ_EMPTY(&gotd->repos)) {
802 809a54db 2023-01-18 op log_warnx("no repository defined in configuration file");
806 13b2bc37 2022-10-23 stsp return (0);
810 40b85cca 2023-01-03 stsp uid_connection_limit_cmp(const void *pa, const void *pb)
812 40b85cca 2023-01-03 stsp const struct gotd_uid_connection_limit *a = pa, *b = pb;
814 40b85cca 2023-01-03 stsp if (a->uid < b->uid)
816 40b85cca 2023-01-03 stsp else if (a->uid > b->uid);
823 40b85cca 2023-01-03 stsp conf_limit_user_connections(const char *user, int maximum)
826 40b85cca 2023-01-03 stsp struct gotd_uid_connection_limit *limit;
827 40b85cca 2023-01-03 stsp size_t nlimits;
829 40b85cca 2023-01-03 stsp if (maximum < 1) {
830 40b85cca 2023-01-03 stsp yyerror("max connections cannot be smaller 1");
833 40b85cca 2023-01-03 stsp if (maximum > GOTD_MAXCLIENTS) {
834 40b85cca 2023-01-03 stsp yyerror("max connections must be <= %d", GOTD_MAXCLIENTS);
838 1963be61 2023-04-14 stsp if (gotd_parseuid(user, &uid) == -1) {
839 40b85cca 2023-01-03 stsp yyerror("%s: no such user", user);
843 40b85cca 2023-01-03 stsp limit = gotd_find_uid_connection_limit(gotd->connection_limits,
844 40b85cca 2023-01-03 stsp gotd->nconnection_limits, uid);
845 40b85cca 2023-01-03 stsp if (limit) {
846 40b85cca 2023-01-03 stsp limit->max_connections = maximum;
850 40b85cca 2023-01-03 stsp limit = gotd->connection_limits;
851 40b85cca 2023-01-03 stsp nlimits = gotd->nconnection_limits + 1;
852 40b85cca 2023-01-03 stsp limit = reallocarray(limit, nlimits, sizeof(*limit));
853 40b85cca 2023-01-03 stsp if (limit == NULL)
854 40b85cca 2023-01-03 stsp fatal("reallocarray");
856 40b85cca 2023-01-03 stsp limit[nlimits - 1].uid = uid;
857 40b85cca 2023-01-03 stsp limit[nlimits - 1].max_connections = maximum;
859 40b85cca 2023-01-03 stsp gotd->connection_limits = limit;
860 40b85cca 2023-01-03 stsp gotd->nconnection_limits = nlimits;
861 40b85cca 2023-01-03 stsp qsort(gotd->connection_limits, gotd->nconnection_limits,
862 40b85cca 2023-01-03 stsp sizeof(gotd->connection_limits[0]), uid_connection_limit_cmp);
867 13b2bc37 2022-10-23 stsp static struct gotd_repo *
868 13b2bc37 2022-10-23 stsp conf_new_repo(const char *name)
870 13b2bc37 2022-10-23 stsp struct gotd_repo *repo;
872 7683f79a 2023-01-02 stsp if (name[0] == '\0') {
873 7683f79a 2023-01-02 stsp fatalx("syntax error: empty repository name found in %s",
874 7683f79a 2023-01-02 stsp file->name);
877 2507ffb7 2023-01-02 stsp if (strchr(name, '\n') != NULL)
878 2507ffb7 2023-01-02 stsp fatalx("repository names must not contain linefeeds: %s", name);
880 13b2bc37 2022-10-23 stsp repo = calloc(1, sizeof(*repo));
881 13b2bc37 2022-10-23 stsp if (repo == NULL)
882 13b2bc37 2022-10-23 stsp fatalx("%s: calloc", __func__);
884 0ccf3acb 2022-11-16 stsp STAILQ_INIT(&repo->rules);
885 9afa3de2 2023-04-04 stsp TAILQ_INIT(&repo->protected_tag_namespaces);
886 9afa3de2 2023-04-04 stsp TAILQ_INIT(&repo->protected_branch_namespaces);
887 9afa3de2 2023-04-04 stsp TAILQ_INIT(&repo->protected_branches);
889 13b2bc37 2022-10-23 stsp if (strlcpy(repo->name, name, sizeof(repo->name)) >=
890 13b2bc37 2022-10-23 stsp sizeof(repo->name))
891 13b2bc37 2022-10-23 stsp fatalx("%s: strlcpy", __func__);
893 13b2bc37 2022-10-23 stsp TAILQ_INSERT_TAIL(&gotd->repos, repo, entry);
894 13b2bc37 2022-10-23 stsp gotd->nrepos++;
896 13b2bc37 2022-10-23 stsp return repo;
899 0ccf3acb 2022-11-16 stsp static void
900 0ccf3acb 2022-11-16 stsp conf_new_access_rule(struct gotd_repo *repo, enum gotd_access access,
901 0ccf3acb 2022-11-16 stsp int authorization, char *identifier)
903 0ccf3acb 2022-11-16 stsp struct gotd_access_rule *rule;
905 0ccf3acb 2022-11-16 stsp rule = calloc(1, sizeof(*rule));
906 0ccf3acb 2022-11-16 stsp if (rule == NULL)
907 0ccf3acb 2022-11-16 stsp fatal("calloc");
909 0ccf3acb 2022-11-16 stsp rule->access = access;
910 0ccf3acb 2022-11-16 stsp rule->authorization = authorization;
911 0ccf3acb 2022-11-16 stsp rule->identifier = identifier;
913 0ccf3acb 2022-11-16 stsp STAILQ_INSERT_TAIL(&repo->rules, rule, entry);
917 9afa3de2 2023-04-04 stsp refname_is_valid(char *refname)
919 d571a176 2023-06-14 op if (strncmp(refname, "refs/", 5) != 0) {
920 9afa3de2 2023-04-04 stsp yyerror("reference name must begin with \"refs/\": %s",
925 9afa3de2 2023-04-04 stsp if (!got_ref_name_is_valid(refname)) {
926 9afa3de2 2023-04-04 stsp yyerror("invalid reference name: %s", refname);
934 f850236e 2023-04-05 stsp conf_protect_ref_namespace(char **new, struct got_pathlist_head *refs,
935 f850236e 2023-04-05 stsp char *namespace)
937 9afa3de2 2023-04-04 stsp const struct got_error *error;
938 f850236e 2023-04-05 stsp struct got_pathlist_entry *pe;
941 f850236e 2023-04-05 stsp *new = NULL;
943 9afa3de2 2023-04-04 stsp got_path_strip_trailing_slashes(namespace);
944 9afa3de2 2023-04-04 stsp if (!refname_is_valid(namespace))
946 9afa3de2 2023-04-04 stsp if (asprintf(&s, "%s/", namespace) == -1) {
947 9afa3de2 2023-04-04 stsp yyerror("asprintf: %s", strerror(errno));
951 f850236e 2023-04-05 stsp error = got_pathlist_insert(&pe, refs, s, NULL);
952 f850236e 2023-04-05 stsp if (error || pe == NULL) {
955 f0426190 2023-04-05 op yyerror("got_pathlist_insert: %s", error->msg);
957 6be067ce 2023-04-06 stsp yyerror("duplicate protected namespace %s", namespace);
966 9afa3de2 2023-04-04 stsp conf_protect_tag_namespace(struct gotd_repo *repo, char *namespace)
968 f850236e 2023-04-05 stsp struct got_pathlist_entry *pe;
971 f850236e 2023-04-05 stsp if (conf_protect_ref_namespace(&new, &repo->protected_tag_namespaces,
972 f850236e 2023-04-05 stsp namespace) == -1)
975 f850236e 2023-04-05 stsp TAILQ_FOREACH(pe, &repo->protected_branch_namespaces, entry) {
976 f850236e 2023-04-05 stsp if (strcmp(pe->path, new) == 0) {
977 6be067ce 2023-04-06 stsp yyerror("duplicate protected namespace %s", namespace);
986 9afa3de2 2023-04-04 stsp conf_protect_branch_namespace(struct gotd_repo *repo, char *namespace)
988 f850236e 2023-04-05 stsp struct got_pathlist_entry *pe;
991 f850236e 2023-04-05 stsp if (conf_protect_ref_namespace(&new,
992 f850236e 2023-04-05 stsp &repo->protected_branch_namespaces, namespace) == -1)
995 f850236e 2023-04-05 stsp TAILQ_FOREACH(pe, &repo->protected_tag_namespaces, entry) {
996 f850236e 2023-04-05 stsp if (strcmp(pe->path, new) == 0) {
997 6be067ce 2023-04-06 stsp yyerror("duplicate protected namespace %s", namespace);
1005 9afa3de2 2023-04-04 stsp static int
1006 9afa3de2 2023-04-04 stsp conf_protect_branch(struct gotd_repo *repo, char *branchname)
1008 9afa3de2 2023-04-04 stsp const struct got_error *error;
1009 f0426190 2023-04-05 op struct got_pathlist_entry *new;
1010 9afa3de2 2023-04-04 stsp char *refname;
1012 9afa3de2 2023-04-04 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
1013 9afa3de2 2023-04-04 stsp if (asprintf(&refname, "refs/heads/%s", branchname) == -1) {
1014 9afa3de2 2023-04-04 stsp yyerror("asprintf: %s", strerror(errno));
1015 9afa3de2 2023-04-04 stsp return -1;
1018 9afa3de2 2023-04-04 stsp refname = strdup(branchname);
1019 9afa3de2 2023-04-04 stsp if (refname == NULL) {
1020 9afa3de2 2023-04-04 stsp yyerror("strdup: %s", strerror(errno));
1021 9afa3de2 2023-04-04 stsp return -1;
1025 9afa3de2 2023-04-04 stsp if (!refname_is_valid(refname)) {
1026 9afa3de2 2023-04-04 stsp free(refname);
1027 9afa3de2 2023-04-04 stsp return -1;
1030 f0426190 2023-04-05 op error = got_pathlist_insert(&new, &repo->protected_branches,
1031 9afa3de2 2023-04-04 stsp refname, NULL);
1032 f0426190 2023-04-05 op if (error || new == NULL) {
1033 f0426190 2023-04-05 op free(refname);
1035 f0426190 2023-04-05 op yyerror("got_pathlist_insert: %s", error->msg);
1037 f0426190 2023-04-05 op yyerror("duplicate protect branch %s", branchname);
1038 9afa3de2 2023-04-04 stsp return -1;
1045 13b2bc37 2022-10-23 stsp symset(const char *nam, const char *val, int persist)
1047 13b2bc37 2022-10-23 stsp struct sym *sym;
1049 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(sym, &symhead, entry) {
1050 13b2bc37 2022-10-23 stsp if (strcmp(nam, sym->nam) == 0)
1054 13b2bc37 2022-10-23 stsp if (sym != NULL) {
1055 13b2bc37 2022-10-23 stsp if (sym->persist == 1)
1056 13b2bc37 2022-10-23 stsp return (0);
1058 13b2bc37 2022-10-23 stsp free(sym->nam);
1059 13b2bc37 2022-10-23 stsp free(sym->val);
1060 13b2bc37 2022-10-23 stsp TAILQ_REMOVE(&symhead, sym, entry);
1061 13b2bc37 2022-10-23 stsp free(sym);
1064 13b2bc37 2022-10-23 stsp sym = calloc(1, sizeof(*sym));
1065 13b2bc37 2022-10-23 stsp if (sym == NULL)
1066 13b2bc37 2022-10-23 stsp return (-1);
1068 13b2bc37 2022-10-23 stsp sym->nam = strdup(nam);
1069 13b2bc37 2022-10-23 stsp if (sym->nam == NULL) {
1070 13b2bc37 2022-10-23 stsp free(sym);
1071 13b2bc37 2022-10-23 stsp return (-1);
1073 13b2bc37 2022-10-23 stsp sym->val = strdup(val);
1074 13b2bc37 2022-10-23 stsp if (sym->val == NULL) {
1075 13b2bc37 2022-10-23 stsp free(sym->nam);
1076 13b2bc37 2022-10-23 stsp free(sym);
1077 13b2bc37 2022-10-23 stsp return (-1);
1079 13b2bc37 2022-10-23 stsp sym->used = 0;
1080 13b2bc37 2022-10-23 stsp sym->persist = persist;
1081 13b2bc37 2022-10-23 stsp TAILQ_INSERT_TAIL(&symhead, sym, entry);
1082 13b2bc37 2022-10-23 stsp return (0);
1086 13b2bc37 2022-10-23 stsp symget(const char *nam)
1088 13b2bc37 2022-10-23 stsp struct sym *sym;
1090 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(sym, &symhead, entry) {
1091 13b2bc37 2022-10-23 stsp if (strcmp(nam, sym->nam) == 0) {
1092 13b2bc37 2022-10-23 stsp sym->used = 1;
1093 13b2bc37 2022-10-23 stsp return (sym->val);
1096 13b2bc37 2022-10-23 stsp return (NULL);
1099 b09c1279 2023-03-28 stsp struct gotd_repo *
1100 b09c1279 2023-03-28 stsp gotd_find_repo_by_name(const char *repo_name, struct gotd *gotd)
1102 b09c1279 2023-03-28 stsp struct gotd_repo *repo;
1103 b09c1279 2023-03-28 stsp size_t namelen;
1105 b09c1279 2023-03-28 stsp TAILQ_FOREACH(repo, &gotd->repos, entry) {
1106 b09c1279 2023-03-28 stsp namelen = strlen(repo->name);
1107 b09c1279 2023-03-28 stsp if (strncmp(repo->name, repo_name, namelen) != 0)
1109 b09c1279 2023-03-28 stsp if (repo_name[namelen] == '\0' ||
1110 b09c1279 2023-03-28 stsp strcmp(&repo_name[namelen], ".git") == 0)
1111 b09c1279 2023-03-28 stsp return repo;
1114 b09c1279 2023-03-28 stsp return NULL;
1117 9afa3de2 2023-04-04 stsp struct gotd_repo *
1118 9afa3de2 2023-04-04 stsp gotd_find_repo_by_path(const char *repo_path, struct gotd *gotd)
1120 9afa3de2 2023-04-04 stsp struct gotd_repo *repo;
1122 9afa3de2 2023-04-04 stsp TAILQ_FOREACH(repo, &gotd->repos, entry) {
1123 9afa3de2 2023-04-04 stsp if (strcmp(repo->path, repo_path) == 0)
1124 9afa3de2 2023-04-04 stsp return repo;
1127 eeb616b7 2023-04-14 stsp return NULL;
1130 eeb616b7 2023-04-14 stsp struct gotd_uid_connection_limit *
1131 eeb616b7 2023-04-14 stsp gotd_find_uid_connection_limit(struct gotd_uid_connection_limit *limits,
1132 eeb616b7 2023-04-14 stsp size_t nlimits, uid_t uid)
1134 eeb616b7 2023-04-14 stsp /* This array is always sorted to allow for binary search. */
1135 eeb616b7 2023-04-14 stsp int i, left = 0, right = nlimits - 1;
1137 eeb616b7 2023-04-14 stsp while (left <= right) {
1138 eeb616b7 2023-04-14 stsp i = ((left + right) / 2);
1139 eeb616b7 2023-04-14 stsp if (limits[i].uid == uid)
1140 eeb616b7 2023-04-14 stsp return &limits[i];
1141 eeb616b7 2023-04-14 stsp if (limits[i].uid > uid)
1142 eeb616b7 2023-04-14 stsp left = i + 1;
1144 eeb616b7 2023-04-14 stsp right = i - 1;
1147 9afa3de2 2023-04-04 stsp return NULL;
1151 1963be61 2023-04-14 stsp gotd_parseuid(const char *s, uid_t *uid)
1153 1963be61 2023-04-14 stsp struct passwd *pw;
1154 1963be61 2023-04-14 stsp const char *errstr;
1156 1963be61 2023-04-14 stsp if ((pw = getpwnam(s)) != NULL) {
1157 1963be61 2023-04-14 stsp *uid = pw->pw_uid;
1158 1963be61 2023-04-14 stsp if (*uid == UID_MAX)
1159 1963be61 2023-04-14 stsp return -1;
1162 1963be61 2023-04-14 stsp *uid = strtonum(s, 0, UID_MAX - 1, &errstr);
1163 1963be61 2023-04-14 stsp if (errstr)
1164 1963be61 2023-04-14 stsp return -1;