1 13b2bc37 2022-10-23 stsp /*
   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.
  10 13b2bc37 2022-10-23 stsp  *
  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.
  14 13b2bc37 2022-10-23 stsp  *
  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.
  22 13b2bc37 2022-10-23 stsp  */
  23 13b2bc37 2022-10-23 stsp 
  24 13b2bc37 2022-10-23 stsp %{
  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>
  29 13b2bc37 2022-10-23 stsp 
  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 13b2bc37 2022-10-23 stsp #include <sha1.h>
  37 5822e79e 2023-02-23 op #include <sha2.h>
  38 13b2bc37 2022-10-23 stsp #include <stdarg.h>
  39 13b2bc37 2022-10-23 stsp #include <stdlib.h>
  40 13b2bc37 2022-10-23 stsp #include <stdio.h>
  41 13b2bc37 2022-10-23 stsp #include <string.h>
  42 13b2bc37 2022-10-23 stsp #include <syslog.h>
  43 13b2bc37 2022-10-23 stsp #include <unistd.h>
  44 13b2bc37 2022-10-23 stsp 
  45 13b2bc37 2022-10-23 stsp #include "got_error.h"
  46 13b2bc37 2022-10-23 stsp #include "got_path.h"
  47 9afa3de2 2023-04-04 stsp #include "got_reference.h"
  48 13b2bc37 2022-10-23 stsp 
  49 13b2bc37 2022-10-23 stsp #include "log.h"
  50 13b2bc37 2022-10-23 stsp #include "gotd.h"
  51 40b85cca 2023-01-03 stsp #include "auth.h"
  52 40b85cca 2023-01-03 stsp #include "listen.h"
  53 13b2bc37 2022-10-23 stsp 
  54 13b2bc37 2022-10-23 stsp TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
  55 13b2bc37 2022-10-23 stsp static struct file {
  56 13b2bc37 2022-10-23 stsp 	TAILQ_ENTRY(file)	 entry;
  57 13b2bc37 2022-10-23 stsp 	FILE			*stream;
  58 13b2bc37 2022-10-23 stsp 	char			*name;
  59 13b2bc37 2022-10-23 stsp 	int			 lineno;
  60 13b2bc37 2022-10-23 stsp 	int			 errors;
  61 13b2bc37 2022-10-23 stsp } *file;
  62 e9e0377f 2023-03-29 stsp struct file	*newfile(const char *, int, int);
  63 13b2bc37 2022-10-23 stsp static void	 closefile(struct file *);
  64 13b2bc37 2022-10-23 stsp int		 check_file_secrecy(int, const char *);
  65 13b2bc37 2022-10-23 stsp int		 yyparse(void);
  66 13b2bc37 2022-10-23 stsp int		 yylex(void);
  67 13b2bc37 2022-10-23 stsp int		 yyerror(const char *, ...)
  68 13b2bc37 2022-10-23 stsp     __attribute__((__format__ (printf, 1, 2)))
  69 13b2bc37 2022-10-23 stsp     __attribute__((__nonnull__ (1)));
  70 13b2bc37 2022-10-23 stsp int		 kw_cmp(const void *, const void *);
  71 13b2bc37 2022-10-23 stsp int		 lookup(char *);
  72 13b2bc37 2022-10-23 stsp int		 lgetc(int);
  73 13b2bc37 2022-10-23 stsp int		 lungetc(int);
  74 13b2bc37 2022-10-23 stsp int		 findeol(void);
  75 13b2bc37 2022-10-23 stsp 
  76 13b2bc37 2022-10-23 stsp TAILQ_HEAD(symhead, sym)	 symhead = TAILQ_HEAD_INITIALIZER(symhead);
  77 13b2bc37 2022-10-23 stsp struct sym {
  78 13b2bc37 2022-10-23 stsp 	TAILQ_ENTRY(sym)	 entry;
  79 13b2bc37 2022-10-23 stsp 	int			 used;
  80 13b2bc37 2022-10-23 stsp 	int			 persist;
  81 13b2bc37 2022-10-23 stsp 	char			*nam;
  82 13b2bc37 2022-10-23 stsp 	char			*val;
  83 13b2bc37 2022-10-23 stsp };
  84 13b2bc37 2022-10-23 stsp 
  85 13b2bc37 2022-10-23 stsp int	 symset(const char *, const char *, int);
  86 13b2bc37 2022-10-23 stsp char	*symget(const char *);
  87 13b2bc37 2022-10-23 stsp 
  88 13b2bc37 2022-10-23 stsp static int		 errors;
  89 13b2bc37 2022-10-23 stsp 
  90 13b2bc37 2022-10-23 stsp static struct gotd		*gotd;
  91 13b2bc37 2022-10-23 stsp static struct gotd_repo		*new_repo;
  92 fc89c900 2023-01-03 op static int			 conf_limit_user_connections(const char *, int);
  93 13b2bc37 2022-10-23 stsp static struct gotd_repo		*conf_new_repo(const char *);
  94 533abaaa 2022-11-18 op static void			 conf_new_access_rule(struct gotd_repo *,
  95 533abaaa 2022-11-18 op 				    enum gotd_access, int, char *);
  96 9afa3de2 2023-04-04 stsp static int			 conf_protect_ref_namespace(
  97 9afa3de2 2023-04-04 stsp 				    struct got_pathlist_head *, char *);
  98 9afa3de2 2023-04-04 stsp static int			 conf_protect_tag_namespace(struct gotd_repo *,
  99 9afa3de2 2023-04-04 stsp 				    char *);
 100 9afa3de2 2023-04-04 stsp static int			 conf_protect_branch_namespace(
 101 9afa3de2 2023-04-04 stsp 				    struct gotd_repo *, char *);
 102 9afa3de2 2023-04-04 stsp static int			 conf_protect_branch(struct gotd_repo *,
 103 9afa3de2 2023-04-04 stsp 				    char *);
 104 13b2bc37 2022-10-23 stsp static enum gotd_procid		 gotd_proc_id;
 105 13b2bc37 2022-10-23 stsp 
 106 13b2bc37 2022-10-23 stsp typedef struct {
 107 13b2bc37 2022-10-23 stsp 	union {
 108 13b2bc37 2022-10-23 stsp 		long long	 number;
 109 13b2bc37 2022-10-23 stsp 		char		*string;
 110 40b85cca 2023-01-03 stsp 		struct timeval	 tv;
 111 13b2bc37 2022-10-23 stsp 	} v;
 112 13b2bc37 2022-10-23 stsp 	int lineno;
 113 13b2bc37 2022-10-23 stsp } YYSTYPE;
 114 13b2bc37 2022-10-23 stsp 
 115 13b2bc37 2022-10-23 stsp %}
 116 13b2bc37 2022-10-23 stsp 
 117 83577462 2023-01-05 stsp %token	PATH ERROR LISTEN ON USER REPOSITORY PERMIT DENY
 118 40b85cca 2023-01-03 stsp %token	RO RW CONNECTION LIMIT REQUEST TIMEOUT
 119 9afa3de2 2023-04-04 stsp %token	PROTECT NAMESPACE BRANCH TAG
 120 13b2bc37 2022-10-23 stsp 
 121 13b2bc37 2022-10-23 stsp %token	<v.string>	STRING
 122 13b2bc37 2022-10-23 stsp %token	<v.number>	NUMBER
 123 40b85cca 2023-01-03 stsp %type	<v.tv>		timeout
 124 13b2bc37 2022-10-23 stsp 
 125 13b2bc37 2022-10-23 stsp %%
 126 13b2bc37 2022-10-23 stsp 
 127 13b2bc37 2022-10-23 stsp grammar		:
 128 13b2bc37 2022-10-23 stsp 		| grammar '\n'
 129 13b2bc37 2022-10-23 stsp 		| grammar main '\n'
 130 13b2bc37 2022-10-23 stsp 		| grammar repository '\n'
 131 13b2bc37 2022-10-23 stsp 		;
 132 13b2bc37 2022-10-23 stsp 
 133 40b85cca 2023-01-03 stsp timeout		: NUMBER {
 134 40b85cca 2023-01-03 stsp 			if ($1 < 0) {
 135 40b85cca 2023-01-03 stsp 				yyerror("invalid timeout: %lld", $1);
 136 40b85cca 2023-01-03 stsp 				YYERROR;
 137 40b85cca 2023-01-03 stsp 			}
 138 40b85cca 2023-01-03 stsp 			$$.tv_sec = $1;
 139 40b85cca 2023-01-03 stsp 			$$.tv_usec = 0;
 140 40b85cca 2023-01-03 stsp 		}
 141 2be11cde 2023-01-03 op 		| STRING {
 142 2be11cde 2023-01-03 op 			const char	*errstr;
 143 2be11cde 2023-01-03 op 			const char	*type = "seconds";
 144 2be11cde 2023-01-03 op 			size_t		 len;
 145 2be11cde 2023-01-03 op 			int		 mul = 1;
 146 2be11cde 2023-01-03 op 
 147 2be11cde 2023-01-03 op 			if (*$1 == '\0') {
 148 2be11cde 2023-01-03 op 				yyerror("invalid number of seconds: %s", $1);
 149 2be11cde 2023-01-03 op 				free($1);
 150 2be11cde 2023-01-03 op 				YYERROR;
 151 2be11cde 2023-01-03 op 			}
 152 2be11cde 2023-01-03 op 
 153 2be11cde 2023-01-03 op 			len = strlen($1);
 154 2be11cde 2023-01-03 op 			switch ($1[len - 1]) {
 155 2be11cde 2023-01-03 op 			case 'S':
 156 2be11cde 2023-01-03 op 			case 's':
 157 2be11cde 2023-01-03 op 				$1[len - 1] = '\0';
 158 2be11cde 2023-01-03 op 				break;
 159 2be11cde 2023-01-03 op 			case 'M':
 160 2be11cde 2023-01-03 op 			case 'm':
 161 2be11cde 2023-01-03 op 				type = "minutes";
 162 2be11cde 2023-01-03 op 				mul = 60;
 163 2be11cde 2023-01-03 op 				$1[len - 1] = '\0';
 164 2be11cde 2023-01-03 op 				break;
 165 2be11cde 2023-01-03 op 			case 'H':
 166 2be11cde 2023-01-03 op 			case 'h':
 167 2be11cde 2023-01-03 op 				type = "hours";
 168 2be11cde 2023-01-03 op 				mul = 60 * 60;
 169 2be11cde 2023-01-03 op 				$1[len - 1] = '\0';
 170 2be11cde 2023-01-03 op 				break;
 171 2be11cde 2023-01-03 op 			}
 172 2be11cde 2023-01-03 op 
 173 2be11cde 2023-01-03 op 			$$.tv_usec = 0;
 174 71cd355c 2023-01-03 op 			$$.tv_sec = strtonum($1, 0, INT_MAX / mul, &errstr);
 175 2be11cde 2023-01-03 op 			if (errstr) {
 176 2be11cde 2023-01-03 op 				yyerror("number of %s is %s: %s", type,
 177 2be11cde 2023-01-03 op 				    errstr, $1);
 178 2be11cde 2023-01-03 op 				free($1);
 179 2be11cde 2023-01-03 op 				YYERROR;
 180 2be11cde 2023-01-03 op 			}
 181 2be11cde 2023-01-03 op 
 182 2be11cde 2023-01-03 op 			$$.tv_sec *= mul;
 183 2be11cde 2023-01-03 op 			free($1);
 184 2be11cde 2023-01-03 op 		}
 185 40b85cca 2023-01-03 stsp 		;
 186 40b85cca 2023-01-03 stsp 
 187 83577462 2023-01-05 stsp main		: LISTEN ON STRING {
 188 abe844e2 2023-01-18 op 			if (!got_path_is_absolute($3))
 189 abe844e2 2023-01-18 op 				yyerror("bad unix socket path \"%s\": "
 190 abe844e2 2023-01-18 op 				    "must be an absolute path", $3);
 191 abe844e2 2023-01-18 op 
 192 d93ecf7d 2022-12-14 stsp 			if (gotd_proc_id == PROC_LISTEN) {
 193 83577462 2023-01-05 stsp 				if (strlcpy(gotd->unix_socket_path, $3,
 194 13b2bc37 2022-10-23 stsp 				    sizeof(gotd->unix_socket_path)) >=
 195 13b2bc37 2022-10-23 stsp 				    sizeof(gotd->unix_socket_path)) {
 196 13b2bc37 2022-10-23 stsp 					yyerror("%s: unix socket path too long",
 197 13b2bc37 2022-10-23 stsp 					    __func__);
 198 83577462 2023-01-05 stsp 					free($3);
 199 13b2bc37 2022-10-23 stsp 					YYERROR;
 200 13b2bc37 2022-10-23 stsp 				}
 201 13b2bc37 2022-10-23 stsp 			}
 202 83577462 2023-01-05 stsp 			free($3);
 203 13b2bc37 2022-10-23 stsp 		}
 204 13b2bc37 2022-10-23 stsp 		| USER STRING {
 205 13b2bc37 2022-10-23 stsp 			if (strlcpy(gotd->user_name, $2,
 206 13b2bc37 2022-10-23 stsp 			    sizeof(gotd->user_name)) >=
 207 13b2bc37 2022-10-23 stsp 			    sizeof(gotd->user_name)) {
 208 13b2bc37 2022-10-23 stsp 				yyerror("%s: user name too long", __func__);
 209 13b2bc37 2022-10-23 stsp 				free($2);
 210 13b2bc37 2022-10-23 stsp 				YYERROR;
 211 13b2bc37 2022-10-23 stsp 			}
 212 13b2bc37 2022-10-23 stsp 			free($2);
 213 13b2bc37 2022-10-23 stsp 		}
 214 40b85cca 2023-01-03 stsp 		| connection
 215 13b2bc37 2022-10-23 stsp 		;
 216 13b2bc37 2022-10-23 stsp 
 217 40b85cca 2023-01-03 stsp connection	: CONNECTION '{' optnl conflags_l '}'
 218 40b85cca 2023-01-03 stsp 		| CONNECTION conflags
 219 40b85cca 2023-01-03 stsp 
 220 40b85cca 2023-01-03 stsp conflags_l	: conflags optnl conflags_l
 221 40b85cca 2023-01-03 stsp 		| conflags optnl
 222 40b85cca 2023-01-03 stsp 		;
 223 40b85cca 2023-01-03 stsp 
 224 40b85cca 2023-01-03 stsp conflags	: REQUEST TIMEOUT timeout		{
 225 46e48ac7 2023-01-03 stsp 			if ($3.tv_sec <= 0) {
 226 46e48ac7 2023-01-03 stsp 				yyerror("invalid timeout: %lld", $3.tv_sec);
 227 46e48ac7 2023-01-03 stsp 				YYERROR;
 228 46e48ac7 2023-01-03 stsp 			}
 229 40b85cca 2023-01-03 stsp 			memcpy(&gotd->request_timeout, &$3,
 230 40b85cca 2023-01-03 stsp 			    sizeof(gotd->request_timeout));
 231 40b85cca 2023-01-03 stsp 		}
 232 40b85cca 2023-01-03 stsp 		| LIMIT USER STRING NUMBER	{
 233 40b85cca 2023-01-03 stsp 			if (gotd_proc_id == PROC_LISTEN &&
 234 40b85cca 2023-01-03 stsp 			    conf_limit_user_connections($3, $4) == -1) {
 235 40b85cca 2023-01-03 stsp 				free($3);
 236 40b85cca 2023-01-03 stsp 				YYERROR;
 237 40b85cca 2023-01-03 stsp 			}
 238 40b85cca 2023-01-03 stsp 			free($3);
 239 40b85cca 2023-01-03 stsp 		}
 240 40b85cca 2023-01-03 stsp 		;
 241 40b85cca 2023-01-03 stsp 
 242 9afa3de2 2023-04-04 stsp protect		: PROTECT '{' optnl protectflags_l '}'
 243 9afa3de2 2023-04-04 stsp 		| PROTECT protectflags
 244 9afa3de2 2023-04-04 stsp 
 245 9afa3de2 2023-04-04 stsp protectflags_l	: protectflags optnl protectflags_l
 246 9afa3de2 2023-04-04 stsp 		| protectflags optnl
 247 9afa3de2 2023-04-04 stsp 		;
 248 9afa3de2 2023-04-04 stsp 
 249 9afa3de2 2023-04-04 stsp protectflags	: TAG NAMESPACE STRING {
 250 9afa3de2 2023-04-04 stsp 			if (gotd_proc_id == PROC_GOTD ||
 251 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_REPO_WRITE) {
 252 9afa3de2 2023-04-04 stsp 				if (conf_protect_tag_namespace(new_repo, $3)) {
 253 9afa3de2 2023-04-04 stsp 					free($3);
 254 9afa3de2 2023-04-04 stsp 					YYERROR;
 255 9afa3de2 2023-04-04 stsp 				}
 256 9afa3de2 2023-04-04 stsp 			}
 257 584140c2 2023-04-05 op 			free($3);
 258 9afa3de2 2023-04-04 stsp 		}
 259 9afa3de2 2023-04-04 stsp 		| BRANCH NAMESPACE STRING {
 260 9afa3de2 2023-04-04 stsp 			if (gotd_proc_id == PROC_GOTD ||
 261 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_REPO_WRITE) {
 262 9afa3de2 2023-04-04 stsp 				if (conf_protect_branch_namespace(new_repo,
 263 9afa3de2 2023-04-04 stsp 				    $3)) {
 264 9afa3de2 2023-04-04 stsp 					free($3);
 265 9afa3de2 2023-04-04 stsp 					YYERROR;
 266 9afa3de2 2023-04-04 stsp 				}
 267 9afa3de2 2023-04-04 stsp 			}
 268 584140c2 2023-04-05 op 			free($3);
 269 9afa3de2 2023-04-04 stsp 		}
 270 9afa3de2 2023-04-04 stsp 		| BRANCH STRING {
 271 9afa3de2 2023-04-04 stsp 			if (gotd_proc_id == PROC_GOTD ||
 272 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_REPO_WRITE) {
 273 9afa3de2 2023-04-04 stsp 				if (conf_protect_branch(new_repo, $2)) {
 274 9afa3de2 2023-04-04 stsp 					free($2);
 275 9afa3de2 2023-04-04 stsp 					YYERROR;
 276 9afa3de2 2023-04-04 stsp 				}
 277 9afa3de2 2023-04-04 stsp 			}
 278 584140c2 2023-04-05 op 			free($2);
 279 9afa3de2 2023-04-04 stsp 		}
 280 9afa3de2 2023-04-04 stsp 		;
 281 9afa3de2 2023-04-04 stsp 
 282 13b2bc37 2022-10-23 stsp repository	: REPOSITORY STRING {
 283 13b2bc37 2022-10-23 stsp 			struct gotd_repo *repo;
 284 13b2bc37 2022-10-23 stsp 
 285 13b2bc37 2022-10-23 stsp 			TAILQ_FOREACH(repo, &gotd->repos, entry) {
 286 13b2bc37 2022-10-23 stsp 				if (strcmp(repo->name, $2) == 0) {
 287 13b2bc37 2022-10-23 stsp 					yyerror("duplicate repository '%s'", $2);
 288 13b2bc37 2022-10-23 stsp 					free($2);
 289 13b2bc37 2022-10-23 stsp 					YYERROR;
 290 13b2bc37 2022-10-23 stsp 				}
 291 13b2bc37 2022-10-23 stsp 			}
 292 13b2bc37 2022-10-23 stsp 
 293 5e25db14 2022-12-29 stsp 			if (gotd_proc_id == PROC_GOTD ||
 294 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_AUTH ||
 295 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_REPO_WRITE) {
 296 13b2bc37 2022-10-23 stsp 				new_repo = conf_new_repo($2);
 297 13b2bc37 2022-10-23 stsp 			}
 298 13b2bc37 2022-10-23 stsp 			free($2);
 299 13b2bc37 2022-10-23 stsp 		} '{' optnl repoopts2 '}' {
 300 13b2bc37 2022-10-23 stsp 		}
 301 13b2bc37 2022-10-23 stsp 		;
 302 13b2bc37 2022-10-23 stsp 
 303 13b2bc37 2022-10-23 stsp repoopts1	: PATH STRING {
 304 5e25db14 2022-12-29 stsp 			if (gotd_proc_id == PROC_GOTD ||
 305 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_AUTH ||
 306 9afa3de2 2023-04-04 stsp 			    gotd_proc_id == PROC_REPO_WRITE) {
 307 13b2bc37 2022-10-23 stsp 				if (!got_path_is_absolute($2)) {
 308 13b2bc37 2022-10-23 stsp 					yyerror("%s: path %s is not absolute",
 309 13b2bc37 2022-10-23 stsp 					    __func__, $2);
 310 13b2bc37 2022-10-23 stsp 					free($2);
 311 13b2bc37 2022-10-23 stsp 					YYERROR;
 312 13b2bc37 2022-10-23 stsp 				}
 313 9b7f22a6 2023-01-08 stsp 				if (realpath($2, new_repo->path) == NULL) {
 314 9b7f22a6 2023-01-08 stsp 					yyerror("realpath %s: %s", $2, strerror(errno));
 315 13b2bc37 2022-10-23 stsp 					free($2);
 316 13b2bc37 2022-10-23 stsp 					YYERROR;
 317 13b2bc37 2022-10-23 stsp 				}
 318 13b2bc37 2022-10-23 stsp 			}
 319 13b2bc37 2022-10-23 stsp 			free($2);
 320 0ccf3acb 2022-11-16 stsp 		}
 321 0ccf3acb 2022-11-16 stsp 		| PERMIT RO STRING {
 322 5e25db14 2022-12-29 stsp 			if (gotd_proc_id == PROC_AUTH) {
 323 0ccf3acb 2022-11-16 stsp 				conf_new_access_rule(new_repo,
 324 0ccf3acb 2022-11-16 stsp 				    GOTD_ACCESS_PERMITTED, GOTD_AUTH_READ, $3);
 325 584140c2 2023-04-05 op 			} else
 326 584140c2 2023-04-05 op 				free($3);
 327 0ccf3acb 2022-11-16 stsp 		}
 328 0ccf3acb 2022-11-16 stsp 		| PERMIT RW STRING {
 329 5e25db14 2022-12-29 stsp 			if (gotd_proc_id == PROC_AUTH) {
 330 0ccf3acb 2022-11-16 stsp 				conf_new_access_rule(new_repo,
 331 0ccf3acb 2022-11-16 stsp 				    GOTD_ACCESS_PERMITTED,
 332 0ccf3acb 2022-11-16 stsp 				    GOTD_AUTH_READ | GOTD_AUTH_WRITE, $3);
 333 584140c2 2023-04-05 op 			} else
 334 584140c2 2023-04-05 op 				free($3);
 335 13b2bc37 2022-10-23 stsp 		}
 336 0ccf3acb 2022-11-16 stsp 		| DENY STRING {
 337 5e25db14 2022-12-29 stsp 			if (gotd_proc_id == PROC_AUTH) {
 338 0ccf3acb 2022-11-16 stsp 				conf_new_access_rule(new_repo,
 339 0ccf3acb 2022-11-16 stsp 				    GOTD_ACCESS_DENIED, 0, $2);
 340 584140c2 2023-04-05 op 			} else
 341 584140c2 2023-04-05 op 				free($2);
 342 0ccf3acb 2022-11-16 stsp 		}
 343 9afa3de2 2023-04-04 stsp 		| protect
 344 13b2bc37 2022-10-23 stsp 		;
 345 13b2bc37 2022-10-23 stsp 
 346 13b2bc37 2022-10-23 stsp repoopts2	: repoopts2 repoopts1 nl
 347 13b2bc37 2022-10-23 stsp 		| repoopts1 optnl
 348 13b2bc37 2022-10-23 stsp 		;
 349 13b2bc37 2022-10-23 stsp 
 350 13b2bc37 2022-10-23 stsp nl		: '\n' optnl
 351 13b2bc37 2022-10-23 stsp 		;
 352 13b2bc37 2022-10-23 stsp 
 353 13b2bc37 2022-10-23 stsp optnl		: '\n' optnl		/* zero or more newlines */
 354 13b2bc37 2022-10-23 stsp 		| /* empty */
 355 13b2bc37 2022-10-23 stsp 		;
 356 13b2bc37 2022-10-23 stsp 
 357 13b2bc37 2022-10-23 stsp %%
 358 13b2bc37 2022-10-23 stsp 
 359 13b2bc37 2022-10-23 stsp struct keywords {
 360 13b2bc37 2022-10-23 stsp 	const char	*k_name;
 361 13b2bc37 2022-10-23 stsp 	int		 k_val;
 362 13b2bc37 2022-10-23 stsp };
 363 13b2bc37 2022-10-23 stsp 
 364 13b2bc37 2022-10-23 stsp int
 365 13b2bc37 2022-10-23 stsp yyerror(const char *fmt, ...)
 366 13b2bc37 2022-10-23 stsp {
 367 13b2bc37 2022-10-23 stsp 	va_list ap;
 368 13b2bc37 2022-10-23 stsp 	char *msg;
 369 13b2bc37 2022-10-23 stsp 
 370 13b2bc37 2022-10-23 stsp 	file->errors++;
 371 13b2bc37 2022-10-23 stsp 	va_start(ap, fmt);
 372 13b2bc37 2022-10-23 stsp 	if (vasprintf(&msg, fmt, ap) == -1)
 373 13b2bc37 2022-10-23 stsp 		fatalx("yyerror vasprintf");
 374 13b2bc37 2022-10-23 stsp 	va_end(ap);
 375 13b2bc37 2022-10-23 stsp 	logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
 376 13b2bc37 2022-10-23 stsp 	free(msg);
 377 13b2bc37 2022-10-23 stsp 	return (0);
 378 13b2bc37 2022-10-23 stsp }
 379 13b2bc37 2022-10-23 stsp 
 380 13b2bc37 2022-10-23 stsp int
 381 13b2bc37 2022-10-23 stsp kw_cmp(const void *k, const void *e)
 382 13b2bc37 2022-10-23 stsp {
 383 13b2bc37 2022-10-23 stsp 	return (strcmp(k, ((const struct keywords *)e)->k_name));
 384 13b2bc37 2022-10-23 stsp }
 385 13b2bc37 2022-10-23 stsp 
 386 13b2bc37 2022-10-23 stsp int
 387 13b2bc37 2022-10-23 stsp lookup(char *s)
 388 13b2bc37 2022-10-23 stsp {
 389 13b2bc37 2022-10-23 stsp 	/* This has to be sorted always. */
 390 13b2bc37 2022-10-23 stsp 	static const struct keywords keywords[] = {
 391 9afa3de2 2023-04-04 stsp 		{ "branch",			BRANCH },
 392 40b85cca 2023-01-03 stsp 		{ "connection",			CONNECTION },
 393 0ccf3acb 2022-11-16 stsp 		{ "deny",			DENY },
 394 40b85cca 2023-01-03 stsp 		{ "limit",			LIMIT },
 395 83577462 2023-01-05 stsp 		{ "listen",			LISTEN },
 396 9afa3de2 2023-04-04 stsp 		{ "namespace",			NAMESPACE },
 397 13b2bc37 2022-10-23 stsp 		{ "on",				ON },
 398 13b2bc37 2022-10-23 stsp 		{ "path",			PATH },
 399 0ccf3acb 2022-11-16 stsp 		{ "permit",			PERMIT },
 400 9afa3de2 2023-04-04 stsp 		{ "protect",			PROTECT },
 401 13b2bc37 2022-10-23 stsp 		{ "repository",			REPOSITORY },
 402 40b85cca 2023-01-03 stsp 		{ "request",			REQUEST },
 403 0ccf3acb 2022-11-16 stsp 		{ "ro",				RO },
 404 0ccf3acb 2022-11-16 stsp 		{ "rw",				RW },
 405 9afa3de2 2023-04-04 stsp 		{ "tag",			TAG },
 406 40b85cca 2023-01-03 stsp 		{ "timeout",			TIMEOUT },
 407 13b2bc37 2022-10-23 stsp 		{ "user",			USER },
 408 13b2bc37 2022-10-23 stsp 	};
 409 13b2bc37 2022-10-23 stsp 	const struct keywords *p;
 410 13b2bc37 2022-10-23 stsp 
 411 13b2bc37 2022-10-23 stsp 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
 412 13b2bc37 2022-10-23 stsp 	    sizeof(keywords[0]), kw_cmp);
 413 13b2bc37 2022-10-23 stsp 
 414 13b2bc37 2022-10-23 stsp 	if (p)
 415 13b2bc37 2022-10-23 stsp 		return (p->k_val);
 416 13b2bc37 2022-10-23 stsp 	else
 417 13b2bc37 2022-10-23 stsp 		return (STRING);
 418 13b2bc37 2022-10-23 stsp }
 419 13b2bc37 2022-10-23 stsp 
 420 13b2bc37 2022-10-23 stsp #define MAXPUSHBACK	128
 421 13b2bc37 2022-10-23 stsp 
 422 13b2bc37 2022-10-23 stsp unsigned char *parsebuf;
 423 13b2bc37 2022-10-23 stsp int parseindex;
 424 13b2bc37 2022-10-23 stsp unsigned char pushback_buffer[MAXPUSHBACK];
 425 13b2bc37 2022-10-23 stsp int pushback_index = 0;
 426 13b2bc37 2022-10-23 stsp 
 427 13b2bc37 2022-10-23 stsp int
 428 13b2bc37 2022-10-23 stsp lgetc(int quotec)
 429 13b2bc37 2022-10-23 stsp {
 430 13b2bc37 2022-10-23 stsp 	int c, next;
 431 13b2bc37 2022-10-23 stsp 
 432 13b2bc37 2022-10-23 stsp 	if (parsebuf) {
 433 13b2bc37 2022-10-23 stsp 		/* Read character from the parsebuffer instead of input. */
 434 13b2bc37 2022-10-23 stsp 		if (parseindex >= 0) {
 435 13b2bc37 2022-10-23 stsp 			c = parsebuf[parseindex++];
 436 13b2bc37 2022-10-23 stsp 			if (c != '\0')
 437 13b2bc37 2022-10-23 stsp 				return (c);
 438 13b2bc37 2022-10-23 stsp 			parsebuf = NULL;
 439 13b2bc37 2022-10-23 stsp 		} else
 440 13b2bc37 2022-10-23 stsp 			parseindex++;
 441 13b2bc37 2022-10-23 stsp 	}
 442 13b2bc37 2022-10-23 stsp 
 443 13b2bc37 2022-10-23 stsp 	if (pushback_index)
 444 13b2bc37 2022-10-23 stsp 		return (pushback_buffer[--pushback_index]);
 445 13b2bc37 2022-10-23 stsp 
 446 13b2bc37 2022-10-23 stsp 	if (quotec) {
 447 13b2bc37 2022-10-23 stsp 		c = getc(file->stream);
 448 13b2bc37 2022-10-23 stsp 		if (c == EOF)
 449 13b2bc37 2022-10-23 stsp 			yyerror("reached end of file while parsing "
 450 13b2bc37 2022-10-23 stsp 			    "quoted string");
 451 13b2bc37 2022-10-23 stsp 		return (c);
 452 13b2bc37 2022-10-23 stsp 	}
 453 13b2bc37 2022-10-23 stsp 
 454 13b2bc37 2022-10-23 stsp 	c = getc(file->stream);
 455 13b2bc37 2022-10-23 stsp 	while (c == '\\') {
 456 13b2bc37 2022-10-23 stsp 		next = getc(file->stream);
 457 13b2bc37 2022-10-23 stsp 		if (next != '\n') {
 458 13b2bc37 2022-10-23 stsp 			c = next;
 459 13b2bc37 2022-10-23 stsp 			break;
 460 13b2bc37 2022-10-23 stsp 		}
 461 13b2bc37 2022-10-23 stsp 		yylval.lineno = file->lineno;
 462 13b2bc37 2022-10-23 stsp 		file->lineno++;
 463 13b2bc37 2022-10-23 stsp 		c = getc(file->stream);
 464 13b2bc37 2022-10-23 stsp 	}
 465 13b2bc37 2022-10-23 stsp 
 466 13b2bc37 2022-10-23 stsp 	return (c);
 467 13b2bc37 2022-10-23 stsp }
 468 13b2bc37 2022-10-23 stsp 
 469 13b2bc37 2022-10-23 stsp int
 470 13b2bc37 2022-10-23 stsp lungetc(int c)
 471 13b2bc37 2022-10-23 stsp {
 472 13b2bc37 2022-10-23 stsp 	if (c == EOF)
 473 13b2bc37 2022-10-23 stsp 		return (EOF);
 474 13b2bc37 2022-10-23 stsp 	if (parsebuf) {
 475 13b2bc37 2022-10-23 stsp 		parseindex--;
 476 13b2bc37 2022-10-23 stsp 		if (parseindex >= 0)
 477 13b2bc37 2022-10-23 stsp 			return (c);
 478 13b2bc37 2022-10-23 stsp 	}
 479 13b2bc37 2022-10-23 stsp 	if (pushback_index < MAXPUSHBACK-1)
 480 13b2bc37 2022-10-23 stsp 		return (pushback_buffer[pushback_index++] = c);
 481 13b2bc37 2022-10-23 stsp 	else
 482 13b2bc37 2022-10-23 stsp 		return (EOF);
 483 13b2bc37 2022-10-23 stsp }
 484 13b2bc37 2022-10-23 stsp 
 485 13b2bc37 2022-10-23 stsp int
 486 13b2bc37 2022-10-23 stsp findeol(void)
 487 13b2bc37 2022-10-23 stsp {
 488 13b2bc37 2022-10-23 stsp 	int c;
 489 13b2bc37 2022-10-23 stsp 
 490 13b2bc37 2022-10-23 stsp 	parsebuf = NULL;
 491 13b2bc37 2022-10-23 stsp 
 492 13b2bc37 2022-10-23 stsp 	/* Skip to either EOF or the first real EOL. */
 493 13b2bc37 2022-10-23 stsp 	while (1) {
 494 13b2bc37 2022-10-23 stsp 		if (pushback_index)
 495 13b2bc37 2022-10-23 stsp 			c = pushback_buffer[--pushback_index];
 496 13b2bc37 2022-10-23 stsp 		else
 497 13b2bc37 2022-10-23 stsp 			c = lgetc(0);
 498 13b2bc37 2022-10-23 stsp 		if (c == '\n') {
 499 13b2bc37 2022-10-23 stsp 			file->lineno++;
 500 13b2bc37 2022-10-23 stsp 			break;
 501 13b2bc37 2022-10-23 stsp 		}
 502 13b2bc37 2022-10-23 stsp 		if (c == EOF)
 503 13b2bc37 2022-10-23 stsp 			break;
 504 13b2bc37 2022-10-23 stsp 	}
 505 13b2bc37 2022-10-23 stsp 	return (ERROR);
 506 13b2bc37 2022-10-23 stsp }
 507 13b2bc37 2022-10-23 stsp 
 508 13b2bc37 2022-10-23 stsp int
 509 13b2bc37 2022-10-23 stsp yylex(void)
 510 13b2bc37 2022-10-23 stsp {
 511 13b2bc37 2022-10-23 stsp 	unsigned char buf[8096];
 512 13b2bc37 2022-10-23 stsp 	unsigned char *p, *val;
 513 13b2bc37 2022-10-23 stsp 	int quotec, next, c;
 514 13b2bc37 2022-10-23 stsp 	int token;
 515 13b2bc37 2022-10-23 stsp 
 516 13b2bc37 2022-10-23 stsp top:
 517 13b2bc37 2022-10-23 stsp 	p = buf;
 518 13b2bc37 2022-10-23 stsp 	c = lgetc(0);
 519 13b2bc37 2022-10-23 stsp 	while (c == ' ' || c == '\t')
 520 13b2bc37 2022-10-23 stsp 		c = lgetc(0); /* nothing */
 521 13b2bc37 2022-10-23 stsp 
 522 13b2bc37 2022-10-23 stsp 	yylval.lineno = file->lineno;
 523 13b2bc37 2022-10-23 stsp 	if (c == '#') {
 524 13b2bc37 2022-10-23 stsp 		c = lgetc(0);
 525 13b2bc37 2022-10-23 stsp 		while (c != '\n' && c != EOF)
 526 13b2bc37 2022-10-23 stsp 			c = lgetc(0); /* nothing */
 527 13b2bc37 2022-10-23 stsp 	}
 528 13b2bc37 2022-10-23 stsp 	if (c == '$' && parsebuf == NULL) {
 529 13b2bc37 2022-10-23 stsp 		while (1) {
 530 13b2bc37 2022-10-23 stsp 			c = lgetc(0);
 531 13b2bc37 2022-10-23 stsp 			if (c == EOF)
 532 13b2bc37 2022-10-23 stsp 				return (0);
 533 13b2bc37 2022-10-23 stsp 
 534 13b2bc37 2022-10-23 stsp 			if (p + 1 >= buf + sizeof(buf) - 1) {
 535 13b2bc37 2022-10-23 stsp 				yyerror("string too long");
 536 13b2bc37 2022-10-23 stsp 				return (findeol());
 537 13b2bc37 2022-10-23 stsp 			}
 538 13b2bc37 2022-10-23 stsp 			if (isalnum(c) || c == '_') {
 539 13b2bc37 2022-10-23 stsp 				*p++ = c;
 540 13b2bc37 2022-10-23 stsp 				continue;
 541 13b2bc37 2022-10-23 stsp 			}
 542 13b2bc37 2022-10-23 stsp 			*p = '\0';
 543 13b2bc37 2022-10-23 stsp 			lungetc(c);
 544 13b2bc37 2022-10-23 stsp 			break;
 545 13b2bc37 2022-10-23 stsp 		}
 546 13b2bc37 2022-10-23 stsp 		val = symget(buf);
 547 13b2bc37 2022-10-23 stsp 		if (val == NULL) {
 548 13b2bc37 2022-10-23 stsp 			yyerror("macro '%s' not defined", buf);
 549 13b2bc37 2022-10-23 stsp 			return (findeol());
 550 13b2bc37 2022-10-23 stsp 		}
 551 13b2bc37 2022-10-23 stsp 		parsebuf = val;
 552 13b2bc37 2022-10-23 stsp 		parseindex = 0;
 553 13b2bc37 2022-10-23 stsp 		goto top;
 554 13b2bc37 2022-10-23 stsp 	}
 555 13b2bc37 2022-10-23 stsp 
 556 13b2bc37 2022-10-23 stsp 	switch (c) {
 557 13b2bc37 2022-10-23 stsp 	case '\'':
 558 13b2bc37 2022-10-23 stsp 	case '"':
 559 13b2bc37 2022-10-23 stsp 		quotec = c;
 560 13b2bc37 2022-10-23 stsp 		while (1) {
 561 13b2bc37 2022-10-23 stsp 			c = lgetc(quotec);
 562 13b2bc37 2022-10-23 stsp 			if (c == EOF)
 563 13b2bc37 2022-10-23 stsp 				return (0);
 564 13b2bc37 2022-10-23 stsp 			if (c == '\n') {
 565 13b2bc37 2022-10-23 stsp 				file->lineno++;
 566 13b2bc37 2022-10-23 stsp 				continue;
 567 13b2bc37 2022-10-23 stsp 			} else if (c == '\\') {
 568 13b2bc37 2022-10-23 stsp 				next = lgetc(quotec);
 569 13b2bc37 2022-10-23 stsp 				if (next == EOF)
 570 13b2bc37 2022-10-23 stsp 					return (0);
 571 13b2bc37 2022-10-23 stsp 				if (next == quotec || c == ' ' || c == '\t')
 572 13b2bc37 2022-10-23 stsp 					c = next;
 573 13b2bc37 2022-10-23 stsp 				else if (next == '\n') {
 574 13b2bc37 2022-10-23 stsp 					file->lineno++;
 575 13b2bc37 2022-10-23 stsp 					continue;
 576 13b2bc37 2022-10-23 stsp 				} else
 577 13b2bc37 2022-10-23 stsp 					lungetc(next);
 578 13b2bc37 2022-10-23 stsp 			} else if (c == quotec) {
 579 13b2bc37 2022-10-23 stsp 				*p = '\0';
 580 13b2bc37 2022-10-23 stsp 				break;
 581 13b2bc37 2022-10-23 stsp 			} else if (c == '\0') {
 582 13b2bc37 2022-10-23 stsp 				yyerror("syntax error");
 583 13b2bc37 2022-10-23 stsp 				return (findeol());
 584 13b2bc37 2022-10-23 stsp 			}
 585 13b2bc37 2022-10-23 stsp 			if (p + 1 >= buf + sizeof(buf) - 1) {
 586 13b2bc37 2022-10-23 stsp 				yyerror("string too long");
 587 13b2bc37 2022-10-23 stsp 				return (findeol());
 588 13b2bc37 2022-10-23 stsp 			}
 589 13b2bc37 2022-10-23 stsp 			*p++ = c;
 590 13b2bc37 2022-10-23 stsp 		}
 591 13b2bc37 2022-10-23 stsp 		yylval.v.string = strdup(buf);
 592 13b2bc37 2022-10-23 stsp 		if (yylval.v.string == NULL)
 593 13b2bc37 2022-10-23 stsp 			err(1, "yylex: strdup");
 594 13b2bc37 2022-10-23 stsp 		return (STRING);
 595 13b2bc37 2022-10-23 stsp 	}
 596 13b2bc37 2022-10-23 stsp 
 597 13b2bc37 2022-10-23 stsp #define allowed_to_end_number(x) \
 598 13b2bc37 2022-10-23 stsp 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
 599 13b2bc37 2022-10-23 stsp 
 600 13b2bc37 2022-10-23 stsp 	if (c == '-' || isdigit(c)) {
 601 13b2bc37 2022-10-23 stsp 		do {
 602 13b2bc37 2022-10-23 stsp 			*p++ = c;
 603 13b2bc37 2022-10-23 stsp 			if ((unsigned)(p-buf) >= sizeof(buf)) {
 604 13b2bc37 2022-10-23 stsp 				yyerror("string too long");
 605 13b2bc37 2022-10-23 stsp 				return (findeol());
 606 13b2bc37 2022-10-23 stsp 			}
 607 13b2bc37 2022-10-23 stsp 			c = lgetc(0);
 608 13b2bc37 2022-10-23 stsp 		} while (c != EOF && isdigit(c));
 609 13b2bc37 2022-10-23 stsp 		lungetc(c);
 610 13b2bc37 2022-10-23 stsp 		if (p == buf + 1 && buf[0] == '-')
 611 13b2bc37 2022-10-23 stsp 			goto nodigits;
 612 13b2bc37 2022-10-23 stsp 		if (c == EOF || allowed_to_end_number(c)) {
 613 13b2bc37 2022-10-23 stsp 			const char *errstr = NULL;
 614 13b2bc37 2022-10-23 stsp 
 615 13b2bc37 2022-10-23 stsp 			*p = '\0';
 616 13b2bc37 2022-10-23 stsp 			yylval.v.number = strtonum(buf, LLONG_MIN,
 617 13b2bc37 2022-10-23 stsp 			    LLONG_MAX, &errstr);
 618 13b2bc37 2022-10-23 stsp 			if (errstr) {
 619 13b2bc37 2022-10-23 stsp 				yyerror("\"%s\" invalid number: %s",
 620 13b2bc37 2022-10-23 stsp 				    buf, errstr);
 621 13b2bc37 2022-10-23 stsp 				return (findeol());
 622 13b2bc37 2022-10-23 stsp 			}
 623 13b2bc37 2022-10-23 stsp 			return (NUMBER);
 624 13b2bc37 2022-10-23 stsp 		} else {
 625 13b2bc37 2022-10-23 stsp nodigits:
 626 13b2bc37 2022-10-23 stsp 			while (p > buf + 1)
 627 13b2bc37 2022-10-23 stsp 				lungetc(*--p);
 628 13b2bc37 2022-10-23 stsp 			c = *--p;
 629 13b2bc37 2022-10-23 stsp 			if (c == '-')
 630 13b2bc37 2022-10-23 stsp 				return (c);
 631 13b2bc37 2022-10-23 stsp 		}
 632 13b2bc37 2022-10-23 stsp 	}
 633 13b2bc37 2022-10-23 stsp 
 634 13b2bc37 2022-10-23 stsp #define allowed_in_string(x) \
 635 13b2bc37 2022-10-23 stsp 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
 636 13b2bc37 2022-10-23 stsp 	x != '{' && x != '}' && \
 637 13b2bc37 2022-10-23 stsp 	x != '!' && x != '=' && x != '#' && \
 638 13b2bc37 2022-10-23 stsp 	x != ','))
 639 13b2bc37 2022-10-23 stsp 
 640 13b2bc37 2022-10-23 stsp 	if (isalnum(c) || c == ':' || c == '_') {
 641 13b2bc37 2022-10-23 stsp 		do {
 642 13b2bc37 2022-10-23 stsp 			*p++ = c;
 643 13b2bc37 2022-10-23 stsp 			if ((unsigned)(p-buf) >= sizeof(buf)) {
 644 13b2bc37 2022-10-23 stsp 				yyerror("string too long");
 645 13b2bc37 2022-10-23 stsp 				return (findeol());
 646 13b2bc37 2022-10-23 stsp 			}
 647 13b2bc37 2022-10-23 stsp 			c = lgetc(0);
 648 13b2bc37 2022-10-23 stsp 		} while (c != EOF && (allowed_in_string(c)));
 649 13b2bc37 2022-10-23 stsp 		lungetc(c);
 650 13b2bc37 2022-10-23 stsp 		*p = '\0';
 651 13b2bc37 2022-10-23 stsp 		token = lookup(buf);
 652 13b2bc37 2022-10-23 stsp 		if (token == STRING) {
 653 13b2bc37 2022-10-23 stsp 			yylval.v.string = strdup(buf);
 654 13b2bc37 2022-10-23 stsp 			if (yylval.v.string == NULL)
 655 13b2bc37 2022-10-23 stsp 				err(1, "yylex: strdup");
 656 13b2bc37 2022-10-23 stsp 		}
 657 13b2bc37 2022-10-23 stsp 		return (token);
 658 13b2bc37 2022-10-23 stsp 	}
 659 13b2bc37 2022-10-23 stsp 	if (c == '\n') {
 660 13b2bc37 2022-10-23 stsp 		yylval.lineno = file->lineno;
 661 13b2bc37 2022-10-23 stsp 		file->lineno++;
 662 13b2bc37 2022-10-23 stsp 	}
 663 13b2bc37 2022-10-23 stsp 	if (c == EOF)
 664 13b2bc37 2022-10-23 stsp 		return (0);
 665 13b2bc37 2022-10-23 stsp 	return (c);
 666 13b2bc37 2022-10-23 stsp }
 667 13b2bc37 2022-10-23 stsp 
 668 13b2bc37 2022-10-23 stsp int
 669 13b2bc37 2022-10-23 stsp check_file_secrecy(int fd, const char *fname)
 670 13b2bc37 2022-10-23 stsp {
 671 13b2bc37 2022-10-23 stsp 	struct stat st;
 672 13b2bc37 2022-10-23 stsp 
 673 13b2bc37 2022-10-23 stsp 	if (fstat(fd, &st)) {
 674 13b2bc37 2022-10-23 stsp 		log_warn("cannot stat %s", fname);
 675 13b2bc37 2022-10-23 stsp 		return (-1);
 676 13b2bc37 2022-10-23 stsp 	}
 677 13b2bc37 2022-10-23 stsp 	if (st.st_uid != 0 && st.st_uid != getuid()) {
 678 13b2bc37 2022-10-23 stsp 		log_warnx("%s: owner not root or current user", fname);
 679 13b2bc37 2022-10-23 stsp 		return (-1);
 680 13b2bc37 2022-10-23 stsp 	}
 681 13b2bc37 2022-10-23 stsp 	if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
 682 13b2bc37 2022-10-23 stsp 		log_warnx("%s: group writable or world read/writable", fname);
 683 13b2bc37 2022-10-23 stsp 		return (-1);
 684 13b2bc37 2022-10-23 stsp 	}
 685 13b2bc37 2022-10-23 stsp 	return (0);
 686 13b2bc37 2022-10-23 stsp }
 687 13b2bc37 2022-10-23 stsp 
 688 13b2bc37 2022-10-23 stsp struct file *
 689 e9e0377f 2023-03-29 stsp newfile(const char *name, int secret, int required)
 690 13b2bc37 2022-10-23 stsp {
 691 13b2bc37 2022-10-23 stsp 	struct file *nfile;
 692 13b2bc37 2022-10-23 stsp 
 693 13b2bc37 2022-10-23 stsp 	nfile = calloc(1, sizeof(struct file));
 694 13b2bc37 2022-10-23 stsp 	if (nfile == NULL) {
 695 13b2bc37 2022-10-23 stsp 		log_warn("calloc");
 696 13b2bc37 2022-10-23 stsp 		return (NULL);
 697 13b2bc37 2022-10-23 stsp 	}
 698 13b2bc37 2022-10-23 stsp 	nfile->name = strdup(name);
 699 13b2bc37 2022-10-23 stsp 	if (nfile->name == NULL) {
 700 13b2bc37 2022-10-23 stsp 		log_warn("strdup");
 701 13b2bc37 2022-10-23 stsp 		free(nfile);
 702 13b2bc37 2022-10-23 stsp 		return (NULL);
 703 13b2bc37 2022-10-23 stsp 	}
 704 13b2bc37 2022-10-23 stsp 	nfile->stream = fopen(nfile->name, "r");
 705 13b2bc37 2022-10-23 stsp 	if (nfile->stream == NULL) {
 706 e9e0377f 2023-03-29 stsp 		if (required)
 707 e9e0377f 2023-03-29 stsp 			log_warn("open %s", nfile->name);
 708 13b2bc37 2022-10-23 stsp 		free(nfile->name);
 709 13b2bc37 2022-10-23 stsp 		free(nfile);
 710 13b2bc37 2022-10-23 stsp 		return (NULL);
 711 13b2bc37 2022-10-23 stsp 	} else if (secret &&
 712 13b2bc37 2022-10-23 stsp 	    check_file_secrecy(fileno(nfile->stream), nfile->name)) {
 713 13b2bc37 2022-10-23 stsp 		fclose(nfile->stream);
 714 13b2bc37 2022-10-23 stsp 		free(nfile->name);
 715 13b2bc37 2022-10-23 stsp 		free(nfile);
 716 13b2bc37 2022-10-23 stsp 		return (NULL);
 717 13b2bc37 2022-10-23 stsp 	}
 718 13b2bc37 2022-10-23 stsp 	nfile->lineno = 1;
 719 13b2bc37 2022-10-23 stsp 	return (nfile);
 720 13b2bc37 2022-10-23 stsp }
 721 13b2bc37 2022-10-23 stsp 
 722 13b2bc37 2022-10-23 stsp static void
 723 13b2bc37 2022-10-23 stsp closefile(struct file *xfile)
 724 13b2bc37 2022-10-23 stsp {
 725 13b2bc37 2022-10-23 stsp 	fclose(xfile->stream);
 726 13b2bc37 2022-10-23 stsp 	free(xfile->name);
 727 13b2bc37 2022-10-23 stsp 	free(xfile);
 728 13b2bc37 2022-10-23 stsp }
 729 13b2bc37 2022-10-23 stsp 
 730 13b2bc37 2022-10-23 stsp int
 731 13b2bc37 2022-10-23 stsp parse_config(const char *filename, enum gotd_procid proc_id,
 732 e9e0377f 2023-03-29 stsp     struct gotd *env, int require_config_file)
 733 13b2bc37 2022-10-23 stsp {
 734 13b2bc37 2022-10-23 stsp 	struct sym *sym, *next;
 735 3b706203 2023-01-02 stsp 	struct gotd_repo *repo;
 736 13b2bc37 2022-10-23 stsp 
 737 13b2bc37 2022-10-23 stsp 	memset(env, 0, sizeof(*env));
 738 13b2bc37 2022-10-23 stsp 
 739 13b2bc37 2022-10-23 stsp 	gotd = env;
 740 13b2bc37 2022-10-23 stsp 	gotd_proc_id = proc_id;
 741 13b2bc37 2022-10-23 stsp 	TAILQ_INIT(&gotd->repos);
 742 13b2bc37 2022-10-23 stsp 
 743 13b2bc37 2022-10-23 stsp 	/* Apply default values. */
 744 13b2bc37 2022-10-23 stsp 	if (strlcpy(gotd->unix_socket_path, GOTD_UNIX_SOCKET,
 745 13b2bc37 2022-10-23 stsp 	    sizeof(gotd->unix_socket_path)) >= sizeof(gotd->unix_socket_path)) {
 746 13b2bc37 2022-10-23 stsp 		fprintf(stderr, "%s: unix socket path too long", __func__);
 747 13b2bc37 2022-10-23 stsp 		return -1;
 748 13b2bc37 2022-10-23 stsp 	}
 749 13b2bc37 2022-10-23 stsp 	if (strlcpy(gotd->user_name, GOTD_USER,
 750 13b2bc37 2022-10-23 stsp 	    sizeof(gotd->user_name)) >= sizeof(gotd->user_name)) {
 751 13b2bc37 2022-10-23 stsp 		fprintf(stderr, "%s: user name too long", __func__);
 752 13b2bc37 2022-10-23 stsp 		return -1;
 753 13b2bc37 2022-10-23 stsp 	}
 754 40b85cca 2023-01-03 stsp 
 755 40b85cca 2023-01-03 stsp 	gotd->request_timeout.tv_sec = GOTD_DEFAULT_REQUEST_TIMEOUT;
 756 40b85cca 2023-01-03 stsp 	gotd->request_timeout.tv_usec = 0;
 757 13b2bc37 2022-10-23 stsp 
 758 e9e0377f 2023-03-29 stsp 	file = newfile(filename, 0, require_config_file);
 759 3fa763e5 2023-03-01 stsp 	if (file == NULL)
 760 e9e0377f 2023-03-29 stsp 		return require_config_file ? -1 : 0;
 761 13b2bc37 2022-10-23 stsp 
 762 13b2bc37 2022-10-23 stsp 	yyparse();
 763 13b2bc37 2022-10-23 stsp 	errors = file->errors;
 764 13b2bc37 2022-10-23 stsp 	closefile(file);
 765 13b2bc37 2022-10-23 stsp 
 766 13b2bc37 2022-10-23 stsp 	/* Free macros and check which have not been used. */
 767 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
 768 13b2bc37 2022-10-23 stsp 		if ((gotd->verbosity > 1) && !sym->used)
 769 13b2bc37 2022-10-23 stsp 			fprintf(stderr, "warning: macro '%s' not used\n",
 770 13b2bc37 2022-10-23 stsp 			    sym->nam);
 771 13b2bc37 2022-10-23 stsp 		if (!sym->persist) {
 772 13b2bc37 2022-10-23 stsp 			free(sym->nam);
 773 13b2bc37 2022-10-23 stsp 			free(sym->val);
 774 13b2bc37 2022-10-23 stsp 			TAILQ_REMOVE(&symhead, sym, entry);
 775 13b2bc37 2022-10-23 stsp 			free(sym);
 776 13b2bc37 2022-10-23 stsp 		}
 777 13b2bc37 2022-10-23 stsp 	}
 778 13b2bc37 2022-10-23 stsp 
 779 13b2bc37 2022-10-23 stsp 	if (errors)
 780 13b2bc37 2022-10-23 stsp 		return (-1);
 781 13b2bc37 2022-10-23 stsp 
 782 3b706203 2023-01-02 stsp 	TAILQ_FOREACH(repo, &gotd->repos, entry) {
 783 3b706203 2023-01-02 stsp 		if (repo->path[0] == '\0') {
 784 2507ffb7 2023-01-02 stsp 			log_warnx("repository \"%s\": no path provided in "
 785 2507ffb7 2023-01-02 stsp 			    "configuration file", repo->name);
 786 3b706203 2023-01-02 stsp 			return (-1);
 787 3b706203 2023-01-02 stsp 		}
 788 3b706203 2023-01-02 stsp 	}
 789 3b706203 2023-01-02 stsp 
 790 809a54db 2023-01-18 op 	if (proc_id == PROC_GOTD && TAILQ_EMPTY(&gotd->repos)) {
 791 809a54db 2023-01-18 op 		log_warnx("no repository defined in configuration file");
 792 809a54db 2023-01-18 op 		return (-1);
 793 809a54db 2023-01-18 op 	}
 794 809a54db 2023-01-18 op 
 795 13b2bc37 2022-10-23 stsp 	return (0);
 796 13b2bc37 2022-10-23 stsp }
 797 13b2bc37 2022-10-23 stsp 
 798 40b85cca 2023-01-03 stsp static int
 799 40b85cca 2023-01-03 stsp uid_connection_limit_cmp(const void *pa, const void *pb)
 800 40b85cca 2023-01-03 stsp {
 801 40b85cca 2023-01-03 stsp 	const struct gotd_uid_connection_limit *a = pa, *b = pb;
 802 40b85cca 2023-01-03 stsp 
 803 40b85cca 2023-01-03 stsp 	if (a->uid < b->uid)
 804 40b85cca 2023-01-03 stsp 		return -1;
 805 40b85cca 2023-01-03 stsp 	else if (a->uid > b->uid);
 806 40b85cca 2023-01-03 stsp 		return 1;
 807 40b85cca 2023-01-03 stsp 
 808 40b85cca 2023-01-03 stsp 	return 0;
 809 40b85cca 2023-01-03 stsp }
 810 40b85cca 2023-01-03 stsp 
 811 40b85cca 2023-01-03 stsp static int
 812 40b85cca 2023-01-03 stsp conf_limit_user_connections(const char *user, int maximum)
 813 40b85cca 2023-01-03 stsp {
 814 40b85cca 2023-01-03 stsp 	uid_t uid;
 815 40b85cca 2023-01-03 stsp 	struct gotd_uid_connection_limit *limit;
 816 40b85cca 2023-01-03 stsp 	size_t nlimits;
 817 40b85cca 2023-01-03 stsp 
 818 40b85cca 2023-01-03 stsp 	if (maximum < 1) {
 819 40b85cca 2023-01-03 stsp 		yyerror("max connections cannot be smaller 1");
 820 40b85cca 2023-01-03 stsp 		return -1;
 821 40b85cca 2023-01-03 stsp 	}
 822 40b85cca 2023-01-03 stsp 	if (maximum > GOTD_MAXCLIENTS) {
 823 40b85cca 2023-01-03 stsp 		yyerror("max connections must be <= %d", GOTD_MAXCLIENTS);
 824 40b85cca 2023-01-03 stsp 		return -1;
 825 40b85cca 2023-01-03 stsp 	}
 826 40b85cca 2023-01-03 stsp 
 827 40b85cca 2023-01-03 stsp 	if (gotd_auth_parseuid(user, &uid) == -1) {
 828 40b85cca 2023-01-03 stsp 		yyerror("%s: no such user", user);
 829 40b85cca 2023-01-03 stsp 		return -1;
 830 40b85cca 2023-01-03 stsp 	}
 831 40b85cca 2023-01-03 stsp 
 832 40b85cca 2023-01-03 stsp 	limit = gotd_find_uid_connection_limit(gotd->connection_limits,
 833 40b85cca 2023-01-03 stsp 	    gotd->nconnection_limits, uid);
 834 40b85cca 2023-01-03 stsp 	if (limit) {
 835 40b85cca 2023-01-03 stsp 		limit->max_connections = maximum;
 836 40b85cca 2023-01-03 stsp 		return 0;
 837 40b85cca 2023-01-03 stsp 	}
 838 40b85cca 2023-01-03 stsp 
 839 40b85cca 2023-01-03 stsp 	limit = gotd->connection_limits;
 840 40b85cca 2023-01-03 stsp 	nlimits = gotd->nconnection_limits + 1;
 841 40b85cca 2023-01-03 stsp 	limit = reallocarray(limit, nlimits, sizeof(*limit));
 842 40b85cca 2023-01-03 stsp 	if (limit == NULL)
 843 40b85cca 2023-01-03 stsp 		fatal("reallocarray");
 844 40b85cca 2023-01-03 stsp 
 845 40b85cca 2023-01-03 stsp 	limit[nlimits - 1].uid = uid;
 846 40b85cca 2023-01-03 stsp 	limit[nlimits - 1].max_connections = maximum;
 847 40b85cca 2023-01-03 stsp 
 848 40b85cca 2023-01-03 stsp 	gotd->connection_limits = limit;
 849 40b85cca 2023-01-03 stsp 	gotd->nconnection_limits = nlimits;
 850 40b85cca 2023-01-03 stsp 	qsort(gotd->connection_limits, gotd->nconnection_limits,
 851 40b85cca 2023-01-03 stsp 	    sizeof(gotd->connection_limits[0]), uid_connection_limit_cmp);
 852 40b85cca 2023-01-03 stsp 
 853 40b85cca 2023-01-03 stsp 	return 0;
 854 40b85cca 2023-01-03 stsp }
 855 40b85cca 2023-01-03 stsp 
 856 13b2bc37 2022-10-23 stsp static struct gotd_repo *
 857 13b2bc37 2022-10-23 stsp conf_new_repo(const char *name)
 858 13b2bc37 2022-10-23 stsp {
 859 13b2bc37 2022-10-23 stsp 	struct gotd_repo *repo;
 860 13b2bc37 2022-10-23 stsp 
 861 7683f79a 2023-01-02 stsp 	if (name[0] == '\0') {
 862 7683f79a 2023-01-02 stsp 		fatalx("syntax error: empty repository name found in %s",
 863 7683f79a 2023-01-02 stsp 		    file->name);
 864 7683f79a 2023-01-02 stsp 	}
 865 7683f79a 2023-01-02 stsp 
 866 2507ffb7 2023-01-02 stsp 	if (strchr(name, '\n') != NULL)
 867 2507ffb7 2023-01-02 stsp 		fatalx("repository names must not contain linefeeds: %s", name);
 868 13b2bc37 2022-10-23 stsp 
 869 13b2bc37 2022-10-23 stsp 	repo = calloc(1, sizeof(*repo));
 870 13b2bc37 2022-10-23 stsp 	if (repo == NULL)
 871 13b2bc37 2022-10-23 stsp 		fatalx("%s: calloc", __func__);
 872 13b2bc37 2022-10-23 stsp 
 873 0ccf3acb 2022-11-16 stsp 	STAILQ_INIT(&repo->rules);
 874 9afa3de2 2023-04-04 stsp 	TAILQ_INIT(&repo->protected_tag_namespaces);
 875 9afa3de2 2023-04-04 stsp 	TAILQ_INIT(&repo->protected_branch_namespaces);
 876 9afa3de2 2023-04-04 stsp 	TAILQ_INIT(&repo->protected_branches);
 877 0ccf3acb 2022-11-16 stsp 
 878 13b2bc37 2022-10-23 stsp 	if (strlcpy(repo->name, name, sizeof(repo->name)) >=
 879 13b2bc37 2022-10-23 stsp 	    sizeof(repo->name))
 880 13b2bc37 2022-10-23 stsp 		fatalx("%s: strlcpy", __func__);
 881 13b2bc37 2022-10-23 stsp 
 882 13b2bc37 2022-10-23 stsp 	TAILQ_INSERT_TAIL(&gotd->repos, repo, entry);
 883 13b2bc37 2022-10-23 stsp 	gotd->nrepos++;
 884 13b2bc37 2022-10-23 stsp 
 885 13b2bc37 2022-10-23 stsp 	return repo;
 886 13b2bc37 2022-10-23 stsp };
 887 0ccf3acb 2022-11-16 stsp 
 888 0ccf3acb 2022-11-16 stsp static void
 889 0ccf3acb 2022-11-16 stsp conf_new_access_rule(struct gotd_repo *repo, enum gotd_access access,
 890 0ccf3acb 2022-11-16 stsp     int authorization, char *identifier)
 891 0ccf3acb 2022-11-16 stsp {
 892 0ccf3acb 2022-11-16 stsp 	struct gotd_access_rule *rule;
 893 0ccf3acb 2022-11-16 stsp 
 894 0ccf3acb 2022-11-16 stsp 	rule = calloc(1, sizeof(*rule));
 895 0ccf3acb 2022-11-16 stsp 	if (rule == NULL)
 896 0ccf3acb 2022-11-16 stsp 		fatal("calloc");
 897 13b2bc37 2022-10-23 stsp 
 898 0ccf3acb 2022-11-16 stsp 	rule->access = access;
 899 0ccf3acb 2022-11-16 stsp 	rule->authorization = authorization;
 900 0ccf3acb 2022-11-16 stsp 	rule->identifier = identifier;
 901 0ccf3acb 2022-11-16 stsp 
 902 0ccf3acb 2022-11-16 stsp 	STAILQ_INSERT_TAIL(&repo->rules, rule, entry);
 903 0ccf3acb 2022-11-16 stsp }
 904 0ccf3acb 2022-11-16 stsp 
 905 9afa3de2 2023-04-04 stsp static int
 906 9afa3de2 2023-04-04 stsp refname_is_valid(char *refname)
 907 9afa3de2 2023-04-04 stsp {
 908 9afa3de2 2023-04-04 stsp 	if (strlen(refname) < 5 || strncmp(refname, "refs/", 5) != 0) {
 909 9afa3de2 2023-04-04 stsp 		yyerror("reference name must begin with \"refs/\": %s",
 910 9afa3de2 2023-04-04 stsp 		    refname);
 911 9afa3de2 2023-04-04 stsp 		return 0;
 912 9afa3de2 2023-04-04 stsp 	}
 913 9afa3de2 2023-04-04 stsp 
 914 9afa3de2 2023-04-04 stsp 	if (!got_ref_name_is_valid(refname)) {
 915 9afa3de2 2023-04-04 stsp 		yyerror("invalid reference name: %s", refname);
 916 9afa3de2 2023-04-04 stsp 		return 0;
 917 9afa3de2 2023-04-04 stsp 	}
 918 9afa3de2 2023-04-04 stsp 
 919 9afa3de2 2023-04-04 stsp 	return 1;
 920 9afa3de2 2023-04-04 stsp }
 921 9afa3de2 2023-04-04 stsp 
 922 9afa3de2 2023-04-04 stsp static int
 923 9afa3de2 2023-04-04 stsp conf_protect_ref_namespace(struct got_pathlist_head *refs, char *namespace)
 924 9afa3de2 2023-04-04 stsp {
 925 9afa3de2 2023-04-04 stsp 	const struct got_error *error;
 926 f0426190 2023-04-05 op 	struct got_pathlist_entry *new;
 927 9afa3de2 2023-04-04 stsp 	char *s;
 928 9afa3de2 2023-04-04 stsp 
 929 9afa3de2 2023-04-04 stsp 	got_path_strip_trailing_slashes(namespace);
 930 9afa3de2 2023-04-04 stsp 	if (!refname_is_valid(namespace))
 931 9afa3de2 2023-04-04 stsp 		return -1;
 932 9afa3de2 2023-04-04 stsp 	if (asprintf(&s, "%s/", namespace) == -1) {
 933 9afa3de2 2023-04-04 stsp 		yyerror("asprintf: %s", strerror(errno));
 934 9afa3de2 2023-04-04 stsp 		return -1;
 935 9afa3de2 2023-04-04 stsp 	}
 936 9afa3de2 2023-04-04 stsp 
 937 f0426190 2023-04-05 op 	error = got_pathlist_insert(&new, refs, s, NULL);
 938 f0426190 2023-04-05 op 	if (error || new == NULL) {
 939 f0426190 2023-04-05 op 		free(s);
 940 f0426190 2023-04-05 op 		if (error)
 941 f0426190 2023-04-05 op 			yyerror("got_pathlist_insert: %s", error->msg);
 942 f0426190 2023-04-05 op 		else
 943 f0426190 2023-04-05 op 			yyerror("duplicate protect namespace %s", namespace);
 944 9afa3de2 2023-04-04 stsp 		return -1;
 945 9afa3de2 2023-04-04 stsp 	}
 946 9afa3de2 2023-04-04 stsp 
 947 9afa3de2 2023-04-04 stsp 	return 0;
 948 9afa3de2 2023-04-04 stsp }
 949 9afa3de2 2023-04-04 stsp 
 950 9afa3de2 2023-04-04 stsp static int
 951 9afa3de2 2023-04-04 stsp conf_protect_tag_namespace(struct gotd_repo *repo, char *namespace)
 952 9afa3de2 2023-04-04 stsp {
 953 9afa3de2 2023-04-04 stsp 	return conf_protect_ref_namespace(&repo->protected_tag_namespaces,
 954 9afa3de2 2023-04-04 stsp 	    namespace);
 955 9afa3de2 2023-04-04 stsp }
 956 9afa3de2 2023-04-04 stsp 
 957 9afa3de2 2023-04-04 stsp static int
 958 9afa3de2 2023-04-04 stsp conf_protect_branch_namespace(struct gotd_repo *repo, char *namespace)
 959 9afa3de2 2023-04-04 stsp {
 960 9afa3de2 2023-04-04 stsp 	return conf_protect_ref_namespace(&repo->protected_branch_namespaces,
 961 9afa3de2 2023-04-04 stsp 	    namespace);
 962 9afa3de2 2023-04-04 stsp }
 963 9afa3de2 2023-04-04 stsp 
 964 9afa3de2 2023-04-04 stsp static int
 965 9afa3de2 2023-04-04 stsp conf_protect_branch(struct gotd_repo *repo, char *branchname)
 966 9afa3de2 2023-04-04 stsp {
 967 9afa3de2 2023-04-04 stsp 	const struct got_error *error;
 968 f0426190 2023-04-05 op 	struct got_pathlist_entry *new;
 969 9afa3de2 2023-04-04 stsp 	char *refname;
 970 9afa3de2 2023-04-04 stsp 
 971 9afa3de2 2023-04-04 stsp 	if (strncmp(branchname, "refs/heads/", 11) != 0) {
 972 9afa3de2 2023-04-04 stsp 		if (asprintf(&refname, "refs/heads/%s", branchname) == -1) {
 973 9afa3de2 2023-04-04 stsp 			yyerror("asprintf: %s", strerror(errno));
 974 9afa3de2 2023-04-04 stsp 			return -1;
 975 9afa3de2 2023-04-04 stsp 		}
 976 9afa3de2 2023-04-04 stsp 	} else {
 977 9afa3de2 2023-04-04 stsp 		refname = strdup(branchname);
 978 9afa3de2 2023-04-04 stsp 		if (refname == NULL) {
 979 9afa3de2 2023-04-04 stsp 			yyerror("strdup: %s", strerror(errno));
 980 9afa3de2 2023-04-04 stsp 			return -1;
 981 9afa3de2 2023-04-04 stsp 		}
 982 9afa3de2 2023-04-04 stsp 	}
 983 9afa3de2 2023-04-04 stsp 
 984 9afa3de2 2023-04-04 stsp 	if (!refname_is_valid(refname)) {
 985 9afa3de2 2023-04-04 stsp 		free(refname);
 986 9afa3de2 2023-04-04 stsp 		return -1;
 987 9afa3de2 2023-04-04 stsp 	}
 988 9afa3de2 2023-04-04 stsp 
 989 f0426190 2023-04-05 op 	error = got_pathlist_insert(&new, &repo->protected_branches,
 990 9afa3de2 2023-04-04 stsp 	    refname, NULL);
 991 f0426190 2023-04-05 op 	if (error || new == NULL) {
 992 f0426190 2023-04-05 op 		free(refname);
 993 f0426190 2023-04-05 op 		if (error)
 994 f0426190 2023-04-05 op 			yyerror("got_pathlist_insert: %s", error->msg);
 995 f0426190 2023-04-05 op 		else
 996 f0426190 2023-04-05 op 			yyerror("duplicate protect branch %s", branchname);
 997 9afa3de2 2023-04-04 stsp 		return -1;
 998 9afa3de2 2023-04-04 stsp 	}
 999 9afa3de2 2023-04-04 stsp 
1000 9afa3de2 2023-04-04 stsp 	return 0;
1001 9afa3de2 2023-04-04 stsp }
1002 9afa3de2 2023-04-04 stsp 
1003 13b2bc37 2022-10-23 stsp int
1004 13b2bc37 2022-10-23 stsp symset(const char *nam, const char *val, int persist)
1005 13b2bc37 2022-10-23 stsp {
1006 13b2bc37 2022-10-23 stsp 	struct sym *sym;
1007 13b2bc37 2022-10-23 stsp 
1008 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH(sym, &symhead, entry) {
1009 13b2bc37 2022-10-23 stsp 		if (strcmp(nam, sym->nam) == 0)
1010 13b2bc37 2022-10-23 stsp 			break;
1011 13b2bc37 2022-10-23 stsp 	}
1012 13b2bc37 2022-10-23 stsp 
1013 13b2bc37 2022-10-23 stsp 	if (sym != NULL) {
1014 13b2bc37 2022-10-23 stsp 		if (sym->persist == 1)
1015 13b2bc37 2022-10-23 stsp 			return (0);
1016 13b2bc37 2022-10-23 stsp 		else {
1017 13b2bc37 2022-10-23 stsp 			free(sym->nam);
1018 13b2bc37 2022-10-23 stsp 			free(sym->val);
1019 13b2bc37 2022-10-23 stsp 			TAILQ_REMOVE(&symhead, sym, entry);
1020 13b2bc37 2022-10-23 stsp 			free(sym);
1021 13b2bc37 2022-10-23 stsp 		}
1022 13b2bc37 2022-10-23 stsp 	}
1023 13b2bc37 2022-10-23 stsp 	sym = calloc(1, sizeof(*sym));
1024 13b2bc37 2022-10-23 stsp 	if (sym == NULL)
1025 13b2bc37 2022-10-23 stsp 		return (-1);
1026 13b2bc37 2022-10-23 stsp 
1027 13b2bc37 2022-10-23 stsp 	sym->nam = strdup(nam);
1028 13b2bc37 2022-10-23 stsp 	if (sym->nam == NULL) {
1029 13b2bc37 2022-10-23 stsp 		free(sym);
1030 13b2bc37 2022-10-23 stsp 		return (-1);
1031 13b2bc37 2022-10-23 stsp 	}
1032 13b2bc37 2022-10-23 stsp 	sym->val = strdup(val);
1033 13b2bc37 2022-10-23 stsp 	if (sym->val == NULL) {
1034 13b2bc37 2022-10-23 stsp 		free(sym->nam);
1035 13b2bc37 2022-10-23 stsp 		free(sym);
1036 13b2bc37 2022-10-23 stsp 		return (-1);
1037 13b2bc37 2022-10-23 stsp 	}
1038 13b2bc37 2022-10-23 stsp 	sym->used = 0;
1039 13b2bc37 2022-10-23 stsp 	sym->persist = persist;
1040 13b2bc37 2022-10-23 stsp 	TAILQ_INSERT_TAIL(&symhead, sym, entry);
1041 13b2bc37 2022-10-23 stsp 	return (0);
1042 13b2bc37 2022-10-23 stsp }
1043 13b2bc37 2022-10-23 stsp 
1044 13b2bc37 2022-10-23 stsp char *
1045 13b2bc37 2022-10-23 stsp symget(const char *nam)
1046 13b2bc37 2022-10-23 stsp {
1047 13b2bc37 2022-10-23 stsp 	struct sym *sym;
1048 13b2bc37 2022-10-23 stsp 
1049 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH(sym, &symhead, entry) {
1050 13b2bc37 2022-10-23 stsp 		if (strcmp(nam, sym->nam) == 0) {
1051 13b2bc37 2022-10-23 stsp 			sym->used = 1;
1052 13b2bc37 2022-10-23 stsp 			return (sym->val);
1053 13b2bc37 2022-10-23 stsp 		}
1054 13b2bc37 2022-10-23 stsp 	}
1055 13b2bc37 2022-10-23 stsp 	return (NULL);
1056 b09c1279 2023-03-28 stsp }
1057 b09c1279 2023-03-28 stsp 
1058 b09c1279 2023-03-28 stsp struct gotd_repo *
1059 b09c1279 2023-03-28 stsp gotd_find_repo_by_name(const char *repo_name, struct gotd *gotd)
1060 b09c1279 2023-03-28 stsp {
1061 b09c1279 2023-03-28 stsp 	struct gotd_repo *repo;
1062 b09c1279 2023-03-28 stsp 	size_t namelen;
1063 b09c1279 2023-03-28 stsp 
1064 b09c1279 2023-03-28 stsp 	TAILQ_FOREACH(repo, &gotd->repos, entry) {
1065 b09c1279 2023-03-28 stsp 		namelen = strlen(repo->name);
1066 b09c1279 2023-03-28 stsp 		if (strncmp(repo->name, repo_name, namelen) != 0)
1067 b09c1279 2023-03-28 stsp 			continue;
1068 b09c1279 2023-03-28 stsp 		if (repo_name[namelen] == '\0' ||
1069 b09c1279 2023-03-28 stsp 		    strcmp(&repo_name[namelen], ".git") == 0)
1070 b09c1279 2023-03-28 stsp 			return repo;
1071 b09c1279 2023-03-28 stsp 	}
1072 b09c1279 2023-03-28 stsp 
1073 b09c1279 2023-03-28 stsp 	return NULL;
1074 13b2bc37 2022-10-23 stsp }
1075 9afa3de2 2023-04-04 stsp 
1076 9afa3de2 2023-04-04 stsp struct gotd_repo *
1077 9afa3de2 2023-04-04 stsp gotd_find_repo_by_path(const char *repo_path, struct gotd *gotd)
1078 9afa3de2 2023-04-04 stsp {
1079 9afa3de2 2023-04-04 stsp 	struct gotd_repo *repo;
1080 9afa3de2 2023-04-04 stsp 
1081 9afa3de2 2023-04-04 stsp 	TAILQ_FOREACH(repo, &gotd->repos, entry) {
1082 9afa3de2 2023-04-04 stsp 		if (strcmp(repo->path, repo_path) == 0)
1083 9afa3de2 2023-04-04 stsp 			return repo;
1084 9afa3de2 2023-04-04 stsp 	}
1085 9afa3de2 2023-04-04 stsp 
1086 9afa3de2 2023-04-04 stsp 	return NULL;
1087 9afa3de2 2023-04-04 stsp }