2 cfd92333 2021-08-27 tracey * Copyright (c) 2020, 2021 Tracey Emery <tracey@openbsd.org>
3 257add31 2020-09-09 stsp * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
4 257add31 2020-09-09 stsp * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
5 257add31 2020-09-09 stsp * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
6 257add31 2020-09-09 stsp * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
7 257add31 2020-09-09 stsp * Copyright (c) 2001 Markus Friedl. All rights reserved.
8 257add31 2020-09-09 stsp * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
9 257add31 2020-09-09 stsp * Copyright (c) 2001 Theo de Raadt. All rights reserved.
11 257add31 2020-09-09 stsp * Permission to use, copy, modify, and distribute this software for any
12 257add31 2020-09-09 stsp * purpose with or without fee is hereby granted, provided that the above
13 257add31 2020-09-09 stsp * copyright notice and this permission notice appear in all copies.
15 257add31 2020-09-09 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16 257add31 2020-09-09 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 257add31 2020-09-09 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18 257add31 2020-09-09 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 257add31 2020-09-09 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 257add31 2020-09-09 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 257add31 2020-09-09 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 257add31 2020-09-09 stsp #include <sys/types.h>
27 257add31 2020-09-09 stsp #include <netdb.h>
29 257add31 2020-09-09 stsp #include <ctype.h>
30 257add31 2020-09-09 stsp #include <err.h>
31 257add31 2020-09-09 stsp #include <errno.h>
32 257add31 2020-09-09 stsp #include <limits.h>
33 257add31 2020-09-09 stsp #include <stdarg.h>
34 257add31 2020-09-09 stsp #include <stdio.h>
35 8de9818a 2020-09-14 naddy #include <stdlib.h>
36 257add31 2020-09-09 stsp #include <string.h>
38 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
40 257add31 2020-09-09 stsp #include "got_error.h"
41 257add31 2020-09-09 stsp #include "gotconfig.h"
43 257add31 2020-09-09 stsp static struct file {
44 257add31 2020-09-09 stsp FILE *stream;
45 257add31 2020-09-09 stsp const char *name;
46 257add31 2020-09-09 stsp size_t ungetpos;
47 257add31 2020-09-09 stsp size_t ungetsize;
48 257add31 2020-09-09 stsp u_char *ungetbuf;
49 257add31 2020-09-09 stsp int eof_reached;
52 257add31 2020-09-09 stsp static const struct got_error* newfile(struct file**, const char *, int *);
53 257add31 2020-09-09 stsp static void closefile(struct file *);
54 257add31 2020-09-09 stsp int yyparse(void);
55 257add31 2020-09-09 stsp int yylex(void);
56 257add31 2020-09-09 stsp int yyerror(const char *, ...)
57 257add31 2020-09-09 stsp __attribute__((__format__ (printf, 1, 2)))
58 257add31 2020-09-09 stsp __attribute__((__nonnull__ (1)));
59 257add31 2020-09-09 stsp int kw_cmp(const void *, const void *);
60 257add31 2020-09-09 stsp int lookup(char *);
61 257add31 2020-09-09 stsp int igetc(void);
62 257add31 2020-09-09 stsp int lgetc(int);
63 257add31 2020-09-09 stsp void lungetc(int);
64 257add31 2020-09-09 stsp int findeol(void);
65 257add31 2020-09-09 stsp static int parseport(char *, long long *);
67 257add31 2020-09-09 stsp TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
68 257add31 2020-09-09 stsp struct sym {
69 257add31 2020-09-09 stsp TAILQ_ENTRY(sym) entry;
71 257add31 2020-09-09 stsp int persist;
76 257add31 2020-09-09 stsp int symset(const char *, const char *, int);
77 ef20f542 2022-06-26 thomas int cmdline_symset(char *);
78 257add31 2020-09-09 stsp char *symget(const char *);
80 257add31 2020-09-09 stsp static int atoul(char *, u_long *);
82 257add31 2020-09-09 stsp static const struct got_error* gerror;
83 257add31 2020-09-09 stsp static struct gotconfig_remote_repo *remote;
84 257add31 2020-09-09 stsp static struct gotconfig gotconfig;
85 257add31 2020-09-09 stsp static const struct got_error* new_remote(struct gotconfig_remote_repo **);
86 aaf30ee7 2021-08-29 stsp static const struct got_error* new_fetch_config(struct fetch_config **);
87 aaf30ee7 2021-08-29 stsp static const struct got_error* new_send_config(struct send_config **);
89 257add31 2020-09-09 stsp typedef struct {
91 1367695b 2020-09-26 naddy long long number;
92 257add31 2020-09-09 stsp char *string;
93 b8adfa55 2020-09-25 stsp struct node_branch *branch;
94 99495ddb 2021-01-10 stsp struct node_ref *ref;
99 81e077a6 2022-03-08 thomas #if defined(__APPLE__) && !defined(YYSTYPE)
100 81e077a6 2022-03-08 thomas #warning "Setting YYSTYPE - is GNU Bison installed?"
101 81e077a6 2022-03-08 thomas #define YYSTYPE YYSTYPE
105 257add31 2020-09-09 stsp %token ERROR
106 b8adfa55 2020-09-25 stsp %token REMOTE REPOSITORY SERVER PORT PROTOCOL MIRROR_REFERENCES BRANCH
107 871bd038 2022-07-03 thomas %token AUTHOR ALLOWED_SIGNERS REVOKED_SIGNERS FETCH_ALL_BRANCHES REFERENCE
108 871bd038 2022-07-03 thomas %token FETCH SEND
109 257add31 2020-09-09 stsp %token <v.string> STRING
110 257add31 2020-09-09 stsp %token <v.number> NUMBER
111 257add31 2020-09-09 stsp %type <v.number> boolean portplain
112 257add31 2020-09-09 stsp %type <v.string> numberstring
113 b8adfa55 2020-09-25 stsp %type <v.branch> branch xbranch branch_list
114 99495ddb 2021-01-10 stsp %type <v.ref> ref xref ref_list
118 257add31 2020-09-09 stsp grammar : /* empty */
119 257add31 2020-09-09 stsp | grammar '\n'
120 257add31 2020-09-09 stsp | grammar author '\n'
121 257add31 2020-09-09 stsp | grammar remote '\n'
122 871bd038 2022-07-03 thomas | grammar allowed_signers '\n'
124 257add31 2020-09-09 stsp boolean : STRING {
125 257add31 2020-09-09 stsp if (strcasecmp($1, "true") == 0 ||
126 257add31 2020-09-09 stsp strcasecmp($1, "yes") == 0)
128 257add31 2020-09-09 stsp else if (strcasecmp($1, "false") == 0 ||
129 257add31 2020-09-09 stsp strcasecmp($1, "no") == 0)
132 257add31 2020-09-09 stsp yyerror("invalid boolean value '%s'", $1);
139 257add31 2020-09-09 stsp numberstring : NUMBER {
141 257add31 2020-09-09 stsp if (asprintf(&s, "%lld", $1) == -1) {
142 257add31 2020-09-09 stsp yyerror("string: asprintf");
149 257add31 2020-09-09 stsp portplain : numberstring {
150 257add31 2020-09-09 stsp if (parseport($1, &$$) == -1) {
157 b8adfa55 2020-09-25 stsp branch : /* empty */ { $$ = NULL; }
158 b8adfa55 2020-09-25 stsp | xbranch { $$ = $1; }
159 b8adfa55 2020-09-25 stsp | '{' optnl branch_list '}' { $$ = $3; }
161 b8adfa55 2020-09-25 stsp xbranch : STRING {
162 b8adfa55 2020-09-25 stsp $$ = calloc(1, sizeof(struct node_branch));
163 b8adfa55 2020-09-25 stsp if ($$ == NULL) {
164 b8adfa55 2020-09-25 stsp yyerror("calloc");
167 b8adfa55 2020-09-25 stsp $$->branch_name = $1;
168 b8adfa55 2020-09-25 stsp $$->tail = $$;
171 b8adfa55 2020-09-25 stsp branch_list : xbranch optnl { $$ = $1; }
172 b8adfa55 2020-09-25 stsp | branch_list comma xbranch optnl {
173 b8adfa55 2020-09-25 stsp $1->tail->next = $3;
174 b8adfa55 2020-09-25 stsp $1->tail = $3;
178 99495ddb 2021-01-10 stsp ref : /* empty */ { $$ = NULL; }
179 99495ddb 2021-01-10 stsp | xref { $$ = $1; }
180 99495ddb 2021-01-10 stsp | '{' optnl ref_list '}' { $$ = $3; }
182 99495ddb 2021-01-10 stsp xref : STRING {
183 99495ddb 2021-01-10 stsp $$ = calloc(1, sizeof(struct node_ref));
184 99495ddb 2021-01-10 stsp if ($$ == NULL) {
185 99495ddb 2021-01-10 stsp yyerror("calloc");
188 99495ddb 2021-01-10 stsp $$->ref_name = $1;
189 99495ddb 2021-01-10 stsp $$->tail = $$;
192 99495ddb 2021-01-10 stsp ref_list : xref optnl { $$ = $1; }
193 99495ddb 2021-01-10 stsp | ref_list comma xref optnl {
194 99495ddb 2021-01-10 stsp $1->tail->next = $3;
195 99495ddb 2021-01-10 stsp $1->tail = $3;
199 257add31 2020-09-09 stsp remoteopts2 : remoteopts2 remoteopts1 nl
200 abc59930 2021-09-05 naddy | remoteopts1 optnl
202 257add31 2020-09-09 stsp remoteopts1 : REPOSITORY STRING {
203 abc59930 2021-09-05 naddy remote->repository = $2;
205 abc59930 2021-09-05 naddy | SERVER STRING {
206 abc59930 2021-09-05 naddy remote->server = $2;
208 257add31 2020-09-09 stsp | PROTOCOL STRING {
209 abc59930 2021-09-05 naddy remote->protocol = $2;
211 257add31 2020-09-09 stsp | MIRROR_REFERENCES boolean {
212 257add31 2020-09-09 stsp remote->mirror_references = $2;
214 0c8b29c5 2021-01-05 stsp | FETCH_ALL_BRANCHES boolean {
215 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = $2;
217 257add31 2020-09-09 stsp | PORT portplain {
218 257add31 2020-09-09 stsp remote->port = $2;
220 b8adfa55 2020-09-25 stsp | BRANCH branch {
221 b8adfa55 2020-09-25 stsp remote->branch = $2;
223 99495ddb 2021-01-10 stsp | REFERENCE ref {
224 6480c871 2021-08-30 stsp remote->fetch_ref = $2;
226 0ff2bf46 2021-08-27 tracey | FETCH {
227 0ff2bf46 2021-08-27 tracey static const struct got_error* error;
229 aaf30ee7 2021-08-29 stsp if (remote->fetch_config != NULL) {
230 0ff2bf46 2021-08-27 tracey yyerror("fetch block already exists");
233 aaf30ee7 2021-08-29 stsp error = new_fetch_config(&remote->fetch_config);
234 0ff2bf46 2021-08-27 tracey if (error) {
235 0ff2bf46 2021-08-27 tracey yyerror("%s", error->msg);
238 f08eaca0 2021-08-30 tracey } '{' optnl fetchempty '}'
240 0ff2bf46 2021-08-27 tracey static const struct got_error* error;
242 aaf30ee7 2021-08-29 stsp if (remote->send_config != NULL) {
243 0ff2bf46 2021-08-27 tracey yyerror("send block already exists");
246 aaf30ee7 2021-08-29 stsp error = new_send_config(&remote->send_config);
247 0ff2bf46 2021-08-27 tracey if (error) {
248 0ff2bf46 2021-08-27 tracey yyerror("%s", error->msg);
251 f08eaca0 2021-08-30 tracey } '{' optnl sendempty '}'
253 f08eaca0 2021-08-30 tracey fetchempty : /* empty */
254 f08eaca0 2021-08-30 tracey | fetchopts2
256 cfd92333 2021-08-27 tracey fetchopts2 : fetchopts2 fetchopts1 nl
257 abc59930 2021-09-05 naddy | fetchopts1 optnl
259 92952c0e 2021-08-30 stsp fetchopts1 : REPOSITORY STRING {
260 abc59930 2021-09-05 naddy remote->fetch_config->repository = $2;
262 abc59930 2021-09-05 naddy | SERVER STRING {
263 abc59930 2021-09-05 naddy remote->fetch_config->server = $2;
265 cfd92333 2021-08-27 tracey | PROTOCOL STRING {
266 abc59930 2021-09-05 naddy remote->fetch_config->protocol = $2;
268 cfd92333 2021-08-27 tracey | PORT portplain {
269 aaf30ee7 2021-08-29 stsp remote->fetch_config->port = $2;
271 cfd92333 2021-08-27 tracey | BRANCH branch {
272 aaf30ee7 2021-08-29 stsp remote->fetch_config->branch = $2;
275 f08eaca0 2021-08-30 tracey sendempty : /* empty */
276 f08eaca0 2021-08-30 tracey | sendopts2
278 cfd92333 2021-08-27 tracey sendopts2 : sendopts2 sendopts1 nl
279 abc59930 2021-09-05 naddy | sendopts1 optnl
281 92952c0e 2021-08-30 stsp sendopts1 : REPOSITORY STRING {
282 abc59930 2021-09-05 naddy remote->send_config->repository = $2;
284 abc59930 2021-09-05 naddy | SERVER STRING {
285 abc59930 2021-09-05 naddy remote->send_config->server = $2;
287 cfd92333 2021-08-27 tracey | PROTOCOL STRING {
288 abc59930 2021-09-05 naddy remote->send_config->protocol = $2;
290 cfd92333 2021-08-27 tracey | PORT portplain {
291 aaf30ee7 2021-08-29 stsp remote->send_config->port = $2;
293 cfd92333 2021-08-27 tracey | BRANCH branch {
294 aaf30ee7 2021-08-29 stsp remote->send_config->branch = $2;
297 257add31 2020-09-09 stsp remote : REMOTE STRING {
298 257add31 2020-09-09 stsp static const struct got_error* error;
300 257add31 2020-09-09 stsp error = new_remote(&remote);
301 257add31 2020-09-09 stsp if (error) {
303 257add31 2020-09-09 stsp yyerror("%s", error->msg);
306 c2d7bc3f 2021-08-31 stsp remote->name = $2;
307 257add31 2020-09-09 stsp } '{' optnl remoteopts2 '}' {
308 257add31 2020-09-09 stsp TAILQ_INSERT_TAIL(&gotconfig.remotes, remote, entry);
309 257add31 2020-09-09 stsp gotconfig.nremotes++;
312 257add31 2020-09-09 stsp author : AUTHOR STRING {
313 abc59930 2021-09-05 naddy gotconfig.author = $2;
316 871bd038 2022-07-03 thomas allowed_signers : ALLOWED_SIGNERS STRING {
317 871bd038 2022-07-03 thomas gotconfig.allowed_signers_file = $2;
320 871bd038 2022-07-03 thomas revoked_signers : REVOKED_SIGNERS STRING {
321 871bd038 2022-07-03 thomas gotconfig.revoked_signers_file = $2;
324 257add31 2020-09-09 stsp optnl : '\n' optnl
325 257add31 2020-09-09 stsp | /* empty */
327 257add31 2020-09-09 stsp nl : '\n' optnl
329 b8adfa55 2020-09-25 stsp comma : ','
330 b8adfa55 2020-09-25 stsp | /* empty */
334 257add31 2020-09-09 stsp struct keywords {
335 257add31 2020-09-09 stsp const char *k_name;
340 257add31 2020-09-09 stsp yyerror(const char *fmt, ...)
342 257add31 2020-09-09 stsp va_list ap;
344 257add31 2020-09-09 stsp char *err = NULL;
346 257add31 2020-09-09 stsp va_start(ap, fmt);
347 257add31 2020-09-09 stsp if (vasprintf(&msg, fmt, ap) == -1) {
348 257add31 2020-09-09 stsp gerror = got_error_from_errno("vasprintf");
351 257add31 2020-09-09 stsp va_end(ap);
352 257add31 2020-09-09 stsp if (asprintf(&err, "%s: line %d: %s", file->name, yylval.lineno,
353 257add31 2020-09-09 stsp msg) == -1) {
354 257add31 2020-09-09 stsp gerror = got_error_from_errno("asprintf");
357 c2d7bc3f 2021-08-31 stsp gerror = got_error_msg(GOT_ERR_PARSE_CONFIG, err);
362 257add31 2020-09-09 stsp kw_cmp(const void *k, const void *e)
364 257add31 2020-09-09 stsp return (strcmp(k, ((const struct keywords *)e)->k_name));
368 257add31 2020-09-09 stsp lookup(char *s)
370 257add31 2020-09-09 stsp /* This has to be sorted always. */
371 257add31 2020-09-09 stsp static const struct keywords keywords[] = {
372 871bd038 2022-07-03 thomas {"allowed_signers", ALLOWED_SIGNERS},
373 257add31 2020-09-09 stsp {"author", AUTHOR},
374 b8adfa55 2020-09-25 stsp {"branch", BRANCH},
375 cfd92333 2021-08-27 tracey {"fetch", FETCH},
376 25eb5847 2022-07-03 thomas {"fetch-all-branches", FETCH_ALL_BRANCHES}, /* deprecated */
377 25eb5847 2022-07-03 thomas {"fetch_all_branches", FETCH_ALL_BRANCHES},
378 459c9b5d 2022-07-03 thomas {"mirror-references", MIRROR_REFERENCES}, /* deprecated */
379 459c9b5d 2022-07-03 thomas {"mirror_references", MIRROR_REFERENCES},
380 257add31 2020-09-09 stsp {"port", PORT},
381 257add31 2020-09-09 stsp {"protocol", PROTOCOL},
382 99495ddb 2021-01-10 stsp {"reference", REFERENCE},
383 257add31 2020-09-09 stsp {"remote", REMOTE},
384 257add31 2020-09-09 stsp {"repository", REPOSITORY},
385 871bd038 2022-07-03 thomas {"revoked_signers", REVOKED_SIGNERS},
386 cfd92333 2021-08-27 tracey {"send", SEND},
387 257add31 2020-09-09 stsp {"server", SERVER},
389 257add31 2020-09-09 stsp const struct keywords *p;
391 257add31 2020-09-09 stsp p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
392 257add31 2020-09-09 stsp sizeof(keywords[0]), kw_cmp);
395 257add31 2020-09-09 stsp return (p->k_val);
397 257add31 2020-09-09 stsp return (STRING);
400 257add31 2020-09-09 stsp #define START_EXPAND 1
401 257add31 2020-09-09 stsp #define DONE_EXPAND 2
403 257add31 2020-09-09 stsp static int expanding;
406 257add31 2020-09-09 stsp igetc(void)
410 257add31 2020-09-09 stsp while (1) {
411 257add31 2020-09-09 stsp if (file->ungetpos > 0)
412 257add31 2020-09-09 stsp c = file->ungetbuf[--file->ungetpos];
414 257add31 2020-09-09 stsp c = getc(file->stream);
416 257add31 2020-09-09 stsp if (c == START_EXPAND)
417 257add31 2020-09-09 stsp expanding = 1;
418 257add31 2020-09-09 stsp else if (c == DONE_EXPAND)
419 257add31 2020-09-09 stsp expanding = 0;
423 257add31 2020-09-09 stsp return (c);
427 257add31 2020-09-09 stsp lgetc(int quotec)
429 257add31 2020-09-09 stsp int c, next;
431 257add31 2020-09-09 stsp if (quotec) {
432 257add31 2020-09-09 stsp c = igetc();
433 257add31 2020-09-09 stsp if (c == EOF) {
434 257add31 2020-09-09 stsp yyerror("reached end of file while parsing "
435 257add31 2020-09-09 stsp "quoted string");
437 257add31 2020-09-09 stsp return (c);
440 257add31 2020-09-09 stsp c = igetc();
441 257add31 2020-09-09 stsp while (c == '\\') {
442 257add31 2020-09-09 stsp next = igetc();
443 257add31 2020-09-09 stsp if (next != '\n') {
447 257add31 2020-09-09 stsp yylval.lineno = file->lineno;
448 257add31 2020-09-09 stsp file->lineno++;
451 257add31 2020-09-09 stsp return (c);
455 257add31 2020-09-09 stsp lungetc(int c)
457 257add31 2020-09-09 stsp if (c == EOF)
460 257add31 2020-09-09 stsp if (file->ungetpos >= file->ungetsize) {
461 257add31 2020-09-09 stsp void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
462 257add31 2020-09-09 stsp if (p == NULL)
463 257add31 2020-09-09 stsp err(1, "%s", __func__);
464 257add31 2020-09-09 stsp file->ungetbuf = p;
465 257add31 2020-09-09 stsp file->ungetsize *= 2;
467 257add31 2020-09-09 stsp file->ungetbuf[file->ungetpos++] = c;
471 257add31 2020-09-09 stsp findeol(void)
475 257add31 2020-09-09 stsp /* Skip to either EOF or the first real EOL. */
476 257add31 2020-09-09 stsp while (1) {
477 257add31 2020-09-09 stsp c = lgetc(0);
478 257add31 2020-09-09 stsp if (c == '\n') {
479 257add31 2020-09-09 stsp file->lineno++;
482 257add31 2020-09-09 stsp if (c == EOF)
485 257add31 2020-09-09 stsp return (ERROR);
488 257add31 2020-09-09 stsp static long long
489 257add31 2020-09-09 stsp getservice(char *n)
491 257add31 2020-09-09 stsp struct servent *s;
492 257add31 2020-09-09 stsp u_long ulval;
494 257add31 2020-09-09 stsp if (atoul(n, &ulval) == 0) {
495 7c84ef07 2021-08-29 stsp if (ulval == 0 || ulval > 65535) {
496 257add31 2020-09-09 stsp yyerror("illegal port value %lu", ulval);
497 257add31 2020-09-09 stsp return (-1);
499 257add31 2020-09-09 stsp return ulval;
501 257add31 2020-09-09 stsp s = getservbyname(n, "tcp");
502 257add31 2020-09-09 stsp if (s == NULL)
503 257add31 2020-09-09 stsp s = getservbyname(n, "udp");
504 257add31 2020-09-09 stsp if (s == NULL) {
505 257add31 2020-09-09 stsp yyerror("unknown port %s", n);
506 257add31 2020-09-09 stsp return (-1);
508 257add31 2020-09-09 stsp return (s->s_port);
513 257add31 2020-09-09 stsp parseport(char *port, long long *pn)
515 257add31 2020-09-09 stsp if ((*pn = getservice(port)) == -1) {
517 257add31 2020-09-09 stsp return (-1);
519 257add31 2020-09-09 stsp return (0);
524 257add31 2020-09-09 stsp yylex(void)
526 1a670123 2021-09-28 thomas char buf[8096];
527 1a670123 2021-09-28 thomas char *p, *val;
528 1a670123 2021-09-28 thomas int quotec, next, c;
529 1a670123 2021-09-28 thomas int token;
533 257add31 2020-09-09 stsp c = lgetc(0);
534 257add31 2020-09-09 stsp while (c == ' ' || c == '\t')
535 257add31 2020-09-09 stsp c = lgetc(0); /* nothing */
537 257add31 2020-09-09 stsp yylval.lineno = file->lineno;
538 257add31 2020-09-09 stsp if (c == '#') {
539 257add31 2020-09-09 stsp c = lgetc(0);
540 257add31 2020-09-09 stsp while (c != '\n' && c != EOF)
541 257add31 2020-09-09 stsp c = lgetc(0); /* nothing */
543 257add31 2020-09-09 stsp if (c == '$' && !expanding) {
544 257add31 2020-09-09 stsp while (1) {
545 257add31 2020-09-09 stsp c = lgetc(0);
546 257add31 2020-09-09 stsp if (c == EOF)
547 257add31 2020-09-09 stsp return (0);
549 257add31 2020-09-09 stsp if (p + 1 >= buf + sizeof(buf) - 1) {
550 257add31 2020-09-09 stsp yyerror("string too long");
551 257add31 2020-09-09 stsp return (findeol());
553 257add31 2020-09-09 stsp if (isalnum(c) || c == '_') {
558 257add31 2020-09-09 stsp lungetc(c);
561 257add31 2020-09-09 stsp val = symget(buf);
562 257add31 2020-09-09 stsp if (val == NULL) {
563 257add31 2020-09-09 stsp yyerror("macro '%s' not defined", buf);
564 257add31 2020-09-09 stsp return (findeol());
566 257add31 2020-09-09 stsp p = val + strlen(val) - 1;
567 257add31 2020-09-09 stsp lungetc(DONE_EXPAND);
568 257add31 2020-09-09 stsp while (p >= val) {
569 bb27d0d1 2021-10-15 thomas lungetc((unsigned char)*p);
572 257add31 2020-09-09 stsp lungetc(START_EXPAND);
576 257add31 2020-09-09 stsp switch (c) {
579 257add31 2020-09-09 stsp quotec = c;
580 257add31 2020-09-09 stsp while (1) {
581 257add31 2020-09-09 stsp c = lgetc(quotec);
582 257add31 2020-09-09 stsp if (c == EOF)
583 257add31 2020-09-09 stsp return (0);
584 257add31 2020-09-09 stsp if (c == '\n') {
585 257add31 2020-09-09 stsp file->lineno++;
587 257add31 2020-09-09 stsp } else if (c == '\\') {
588 257add31 2020-09-09 stsp next = lgetc(quotec);
589 257add31 2020-09-09 stsp if (next == EOF)
590 257add31 2020-09-09 stsp return (0);
591 257add31 2020-09-09 stsp if (next == quotec || c == ' ' || c == '\t')
593 257add31 2020-09-09 stsp else if (next == '\n') {
594 257add31 2020-09-09 stsp file->lineno++;
597 257add31 2020-09-09 stsp lungetc(next);
598 257add31 2020-09-09 stsp } else if (c == quotec) {
601 257add31 2020-09-09 stsp } else if (c == '\0') {
602 257add31 2020-09-09 stsp yyerror("syntax error");
603 257add31 2020-09-09 stsp return (findeol());
605 257add31 2020-09-09 stsp if (p + 1 >= buf + sizeof(buf) - 1) {
606 257add31 2020-09-09 stsp yyerror("string too long");
607 257add31 2020-09-09 stsp return (findeol());
611 257add31 2020-09-09 stsp yylval.v.string = strdup(buf);
612 257add31 2020-09-09 stsp if (yylval.v.string == NULL)
613 257add31 2020-09-09 stsp err(1, "%s", __func__);
614 257add31 2020-09-09 stsp return (STRING);
617 257add31 2020-09-09 stsp #define allowed_to_end_number(x) \
618 257add31 2020-09-09 stsp (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
620 257add31 2020-09-09 stsp if (c == '-' || isdigit(c)) {
623 ccd081e7 2021-09-30 thomas if ((size_t)(p-buf) >= sizeof(buf)) {
624 257add31 2020-09-09 stsp yyerror("string too long");
625 257add31 2020-09-09 stsp return (findeol());
627 257add31 2020-09-09 stsp c = lgetc(0);
628 257add31 2020-09-09 stsp } while (c != EOF && isdigit(c));
629 257add31 2020-09-09 stsp lungetc(c);
630 257add31 2020-09-09 stsp if (p == buf + 1 && buf[0] == '-')
631 257add31 2020-09-09 stsp goto nodigits;
632 257add31 2020-09-09 stsp if (c == EOF || allowed_to_end_number(c)) {
633 257add31 2020-09-09 stsp const char *errstr = NULL;
636 257add31 2020-09-09 stsp yylval.v.number = strtonum(buf, LLONG_MIN,
637 257add31 2020-09-09 stsp LLONG_MAX, &errstr);
638 257add31 2020-09-09 stsp if (errstr) {
639 257add31 2020-09-09 stsp yyerror("\"%s\" invalid number: %s",
640 257add31 2020-09-09 stsp buf, errstr);
641 257add31 2020-09-09 stsp return (findeol());
643 257add31 2020-09-09 stsp return (NUMBER);
646 257add31 2020-09-09 stsp while (p > buf + 1)
647 bb27d0d1 2021-10-15 thomas lungetc((unsigned char)*--p);
648 bb27d0d1 2021-10-15 thomas c = (unsigned char)*--p;
649 257add31 2020-09-09 stsp if (c == '-')
650 257add31 2020-09-09 stsp return (c);
654 257add31 2020-09-09 stsp #define allowed_in_string(x) \
655 257add31 2020-09-09 stsp (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
656 257add31 2020-09-09 stsp x != '{' && x != '}' && \
657 257add31 2020-09-09 stsp x != '!' && x != '=' && x != '#' && \
660 257add31 2020-09-09 stsp if (isalnum(c) || c == ':' || c == '_') {
663 ccd081e7 2021-09-30 thomas if ((size_t)(p-buf) >= sizeof(buf)) {
664 257add31 2020-09-09 stsp yyerror("string too long");
665 257add31 2020-09-09 stsp return (findeol());
667 257add31 2020-09-09 stsp c = lgetc(0);
668 257add31 2020-09-09 stsp } while (c != EOF && (allowed_in_string(c)));
669 257add31 2020-09-09 stsp lungetc(c);
671 257add31 2020-09-09 stsp token = lookup(buf);
672 257add31 2020-09-09 stsp if (token == STRING) {
673 257add31 2020-09-09 stsp yylval.v.string = strdup(buf);
674 257add31 2020-09-09 stsp if (yylval.v.string == NULL)
675 257add31 2020-09-09 stsp err(1, "%s", __func__);
677 257add31 2020-09-09 stsp return (token);
679 257add31 2020-09-09 stsp if (c == '\n') {
680 257add31 2020-09-09 stsp yylval.lineno = file->lineno;
681 257add31 2020-09-09 stsp file->lineno++;
683 257add31 2020-09-09 stsp if (c == EOF)
684 257add31 2020-09-09 stsp return (0);
685 257add31 2020-09-09 stsp return (c);
688 257add31 2020-09-09 stsp static const struct got_error*
689 257add31 2020-09-09 stsp newfile(struct file **nfile, const char *filename, int *fd)
691 257add31 2020-09-09 stsp const struct got_error* error = NULL;
693 257add31 2020-09-09 stsp (*nfile) = calloc(1, sizeof(struct file));
694 257add31 2020-09-09 stsp if ((*nfile) == NULL)
695 257add31 2020-09-09 stsp return got_error_from_errno("calloc");
696 257add31 2020-09-09 stsp (*nfile)->stream = fdopen(*fd, "r");
697 257add31 2020-09-09 stsp if ((*nfile)->stream == NULL) {
698 257add31 2020-09-09 stsp error = got_error_from_errno("fdopen");
699 257add31 2020-09-09 stsp free((*nfile));
700 257add31 2020-09-09 stsp return error;
702 257add31 2020-09-09 stsp *fd = -1; /* Stream owns the file descriptor now. */
703 257add31 2020-09-09 stsp (*nfile)->name = filename;
704 257add31 2020-09-09 stsp (*nfile)->lineno = 1;
705 257add31 2020-09-09 stsp (*nfile)->ungetsize = 16;
706 257add31 2020-09-09 stsp (*nfile)->ungetbuf = malloc((*nfile)->ungetsize);
707 257add31 2020-09-09 stsp if ((*nfile)->ungetbuf == NULL) {
708 257add31 2020-09-09 stsp error = got_error_from_errno("malloc");
709 257add31 2020-09-09 stsp fclose((*nfile)->stream);
710 257add31 2020-09-09 stsp free((*nfile));
711 257add31 2020-09-09 stsp return error;
713 257add31 2020-09-09 stsp return NULL;
716 257add31 2020-09-09 stsp static const struct got_error*
717 257add31 2020-09-09 stsp new_remote(struct gotconfig_remote_repo **remote)
719 257add31 2020-09-09 stsp const struct got_error *error = NULL;
721 257add31 2020-09-09 stsp *remote = calloc(1, sizeof(**remote));
722 257add31 2020-09-09 stsp if (*remote == NULL)
723 cfd92333 2021-08-27 tracey error = got_error_from_errno("calloc");
724 cfd92333 2021-08-27 tracey return error;
727 cfd92333 2021-08-27 tracey static const struct got_error*
728 aaf30ee7 2021-08-29 stsp new_fetch_config(struct fetch_config **fetch_config)
730 cfd92333 2021-08-27 tracey const struct got_error *error = NULL;
732 aaf30ee7 2021-08-29 stsp *fetch_config = calloc(1, sizeof(**fetch_config));
733 aaf30ee7 2021-08-29 stsp if (*fetch_config == NULL)
734 cfd92333 2021-08-27 tracey error = got_error_from_errno("calloc");
735 cfd92333 2021-08-27 tracey return error;
738 cfd92333 2021-08-27 tracey static const struct got_error*
739 aaf30ee7 2021-08-29 stsp new_send_config(struct send_config **send_config)
741 cfd92333 2021-08-27 tracey const struct got_error *error = NULL;
743 aaf30ee7 2021-08-29 stsp *send_config = calloc(1, sizeof(**send_config));
744 aaf30ee7 2021-08-29 stsp if (*send_config == NULL)
745 257add31 2020-09-09 stsp error = got_error_from_errno("calloc");
746 257add31 2020-09-09 stsp return error;
749 257add31 2020-09-09 stsp static void
750 257add31 2020-09-09 stsp closefile(struct file *file)
752 257add31 2020-09-09 stsp fclose(file->stream);
753 257add31 2020-09-09 stsp free(file->ungetbuf);
754 257add31 2020-09-09 stsp free(file);
757 257add31 2020-09-09 stsp const struct got_error *
758 257add31 2020-09-09 stsp gotconfig_parse(struct gotconfig **conf, const char *filename, int *fd)
760 257add31 2020-09-09 stsp const struct got_error *err = NULL;
761 257add31 2020-09-09 stsp struct sym *sym, *next;
763 257add31 2020-09-09 stsp *conf = NULL;
765 257add31 2020-09-09 stsp err = newfile(&file, filename, fd);
767 257add31 2020-09-09 stsp return err;
769 257add31 2020-09-09 stsp TAILQ_INIT(&gotconfig.remotes);
772 257add31 2020-09-09 stsp closefile(file);
774 257add31 2020-09-09 stsp /* Free macros and check which have not been used. */
775 257add31 2020-09-09 stsp TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
776 257add31 2020-09-09 stsp if (!sym->persist) {
777 257add31 2020-09-09 stsp free(sym->nam);
778 257add31 2020-09-09 stsp free(sym->val);
779 257add31 2020-09-09 stsp TAILQ_REMOVE(&symhead, sym, entry);
784 257add31 2020-09-09 stsp if (gerror == NULL)
785 257add31 2020-09-09 stsp *conf = &gotconfig;
786 257add31 2020-09-09 stsp return gerror;
789 aaf30ee7 2021-08-29 stsp static void
790 aaf30ee7 2021-08-29 stsp free_fetch_config(struct fetch_config *fetch_config)
792 aaf30ee7 2021-08-29 stsp free(remote->fetch_config->repository);
793 aaf30ee7 2021-08-29 stsp free(remote->fetch_config->server);
794 aaf30ee7 2021-08-29 stsp free(remote->fetch_config->protocol);
795 aaf30ee7 2021-08-29 stsp free(remote->fetch_config);
798 aaf30ee7 2021-08-29 stsp static void
799 aaf30ee7 2021-08-29 stsp free_send_config(struct send_config *send_config)
801 aaf30ee7 2021-08-29 stsp free(remote->send_config->repository);
802 aaf30ee7 2021-08-29 stsp free(remote->send_config->server);
803 aaf30ee7 2021-08-29 stsp free(remote->send_config->protocol);
804 aaf30ee7 2021-08-29 stsp free(remote->send_config);
808 257add31 2020-09-09 stsp gotconfig_free(struct gotconfig *conf)
810 257add31 2020-09-09 stsp struct gotconfig_remote_repo *remote;
812 257add31 2020-09-09 stsp free(conf->author);
813 871bd038 2022-07-03 thomas free(conf->allowed_signers_file);
814 871bd038 2022-07-03 thomas free(conf->revoked_signers_file);
815 257add31 2020-09-09 stsp while (!TAILQ_EMPTY(&conf->remotes)) {
816 257add31 2020-09-09 stsp remote = TAILQ_FIRST(&conf->remotes);
817 257add31 2020-09-09 stsp TAILQ_REMOVE(&conf->remotes, remote, entry);
818 aaf30ee7 2021-08-29 stsp if (remote->fetch_config != NULL)
819 aaf30ee7 2021-08-29 stsp free_fetch_config(remote->fetch_config);
820 aaf30ee7 2021-08-29 stsp if (remote->send_config != NULL)
821 aaf30ee7 2021-08-29 stsp free_send_config(remote->send_config);
822 257add31 2020-09-09 stsp free(remote->name);
823 257add31 2020-09-09 stsp free(remote->repository);
824 257add31 2020-09-09 stsp free(remote->server);
825 257add31 2020-09-09 stsp free(remote->protocol);
826 257add31 2020-09-09 stsp free(remote);
831 257add31 2020-09-09 stsp symset(const char *nam, const char *val, int persist)
833 257add31 2020-09-09 stsp struct sym *sym;
835 257add31 2020-09-09 stsp TAILQ_FOREACH(sym, &symhead, entry) {
836 257add31 2020-09-09 stsp if (strcmp(nam, sym->nam) == 0)
840 257add31 2020-09-09 stsp if (sym != NULL) {
841 257add31 2020-09-09 stsp if (sym->persist == 1)
842 257add31 2020-09-09 stsp return (0);
844 257add31 2020-09-09 stsp free(sym->nam);
845 257add31 2020-09-09 stsp free(sym->val);
846 257add31 2020-09-09 stsp TAILQ_REMOVE(&symhead, sym, entry);
850 257add31 2020-09-09 stsp sym = calloc(1, sizeof(*sym));
851 257add31 2020-09-09 stsp if (sym == NULL)
852 257add31 2020-09-09 stsp return (-1);
854 257add31 2020-09-09 stsp sym->nam = strdup(nam);
855 257add31 2020-09-09 stsp if (sym->nam == NULL) {
857 257add31 2020-09-09 stsp return (-1);
859 257add31 2020-09-09 stsp sym->val = strdup(val);
860 257add31 2020-09-09 stsp if (sym->val == NULL) {
861 257add31 2020-09-09 stsp free(sym->nam);
863 257add31 2020-09-09 stsp return (-1);
865 257add31 2020-09-09 stsp sym->used = 0;
866 257add31 2020-09-09 stsp sym->persist = persist;
867 257add31 2020-09-09 stsp TAILQ_INSERT_TAIL(&symhead, sym, entry);
868 257add31 2020-09-09 stsp return (0);
872 257add31 2020-09-09 stsp cmdline_symset(char *s)
874 257add31 2020-09-09 stsp char *sym, *val;
876 257add31 2020-09-09 stsp size_t len;
878 257add31 2020-09-09 stsp val = strrchr(s, '=');
879 257add31 2020-09-09 stsp if (val == NULL)
880 257add31 2020-09-09 stsp return (-1);
882 257add31 2020-09-09 stsp len = strlen(s) - strlen(val) + 1;
883 257add31 2020-09-09 stsp sym = malloc(len);
884 257add31 2020-09-09 stsp if (sym == NULL)
885 257add31 2020-09-09 stsp errx(1, "cmdline_symset: malloc");
887 257add31 2020-09-09 stsp strlcpy(sym, s, len);
889 257add31 2020-09-09 stsp ret = symset(sym, val + 1, 1);
892 257add31 2020-09-09 stsp return (ret);
896 257add31 2020-09-09 stsp symget(const char *nam)
898 257add31 2020-09-09 stsp struct sym *sym;
900 257add31 2020-09-09 stsp TAILQ_FOREACH(sym, &symhead, entry) {
901 257add31 2020-09-09 stsp if (strcmp(nam, sym->nam) == 0) {
902 257add31 2020-09-09 stsp sym->used = 1;
903 257add31 2020-09-09 stsp return (sym->val);
906 257add31 2020-09-09 stsp return (NULL);
910 257add31 2020-09-09 stsp atoul(char *s, u_long *ulvalp)
912 257add31 2020-09-09 stsp u_long ulval;
916 257add31 2020-09-09 stsp ulval = strtoul(s, &ep, 0);
917 257add31 2020-09-09 stsp if (s[0] == '\0' || *ep != '\0')
918 257add31 2020-09-09 stsp return (-1);
919 257add31 2020-09-09 stsp if (errno == ERANGE && ulval == ULONG_MAX)
920 257add31 2020-09-09 stsp return (-1);
921 257add31 2020-09-09 stsp *ulvalp = ulval;
922 257add31 2020-09-09 stsp return (0);