2021-01-15 10:17:43 +01:00
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/* -*- mode: fundamental; indent-tabs-mode: t; -*- */
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%{
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/*
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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <err.h>
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#include <stdio.h>
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2021-01-28 18:50:22 +01:00
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#include <string.h>
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2021-01-15 10:17:43 +01:00
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#include "gmid.h"
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/*
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* #define YYDEBUG 1
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* int yydebug = 1;
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*/
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struct vhost *host = &hosts[0];
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size_t ihost = 0;
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2021-01-24 15:11:40 +01:00
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struct location *loc = &hosts[0].locations[0];
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size_t iloc = 0;
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2021-01-27 17:45:45 +01:00
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int goterror = 0;
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const char *config_path;
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void yyerror(const char*);
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int parse_portno(const char*);
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void parse_conf(const char*);
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2021-02-01 12:08:57 +01:00
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char *ensure_absolute_path(char*);
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2021-01-15 10:17:43 +01:00
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%}
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/* for bison: */
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/* %define parse.error verbose */
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%union {
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char *str;
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int num;
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}
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2021-01-27 13:04:37 +01:00
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%token TIPV6 TPORT TPROTOCOLS TMIME TDEFAULT TTYPE
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2021-01-25 11:30:07 +01:00
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%token TCHROOT TUSER TSERVER
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2021-01-24 19:53:26 +01:00
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%token TLOCATION TCERT TKEY TROOT TCGI TLANG TINDEX TAUTO
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2021-01-15 10:17:43 +01:00
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%token TERR
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%token <str> TSTRING
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%token <num> TNUM
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%token <num> TBOOL
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%%
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conf : options vhosts ;
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options : /* empty */
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| options option
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;
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2021-01-27 13:04:37 +01:00
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option : TIPV6 TBOOL { conf.ipv6 = $2; }
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2021-01-15 10:17:43 +01:00
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| TPORT TNUM { conf.port = $2; }
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2021-01-15 19:55:05 +01:00
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| TPROTOCOLS TSTRING {
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if (tls_config_parse_protocols(&conf.protos, $2) == -1)
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errx(1, "invalid protocols string \"%s\"", $2);
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}
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2021-01-21 16:01:37 +01:00
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| TMIME TSTRING TSTRING { add_mime(&conf.mime, $2, $3); }
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2021-01-25 11:30:07 +01:00
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| TCHROOT TSTRING { conf.chroot = $2; }
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| TUSER TSTRING { conf.user = $2; }
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2021-01-15 10:17:43 +01:00
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;
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vhosts : /* empty */
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| vhosts vhost
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;
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2021-01-24 15:11:40 +01:00
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vhost : TSERVER TSTRING '{' servopts locations '}' {
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host->locations[0].match = (char*)"*";
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2021-01-15 10:17:43 +01:00
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host->domain = $2;
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2021-01-28 17:27:40 +01:00
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if (strstr($2, "xn--") != NULL) {
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warnx("%s:%d \"%s\" looks like punycode: "
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2021-01-28 17:33:20 +01:00
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"you should use the decoded hostname.",
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config_path, yylineno, $2);
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2021-01-28 17:27:40 +01:00
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}
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2021-01-15 10:17:43 +01:00
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if (host->cert == NULL || host->key == NULL ||
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host->dir == NULL)
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errx(1, "invalid vhost definition: %s", $2);
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2021-01-24 15:11:40 +01:00
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2021-01-15 10:17:43 +01:00
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if (++ihost == HOSTSLEN)
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errx(1, "too much vhosts defined");
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2021-01-24 15:11:40 +01:00
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host++;
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loc = &host->locations[0];
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iloc = 0;
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2021-01-15 10:17:43 +01:00
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}
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| error '}' { yyerror("error in server directive"); }
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;
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servopts : /* empty */
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| servopts servopt
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;
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2021-02-01 12:08:57 +01:00
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servopt : TCERT TSTRING { host->cert = ensure_absolute_path($2); }
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| TKEY TSTRING { host->key = ensure_absolute_path($2); }
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| TROOT TSTRING { host->dir = ensure_absolute_path($2); }
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2021-01-15 10:17:43 +01:00
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| TCGI TSTRING {
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host->cgi = $2;
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/* drop the starting '/', if any */
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if (*host->cgi == '/')
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host->cgi++;
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2021-01-19 11:58:29 +01:00
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}
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2021-01-24 15:11:40 +01:00
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| locopt
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;
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locations : /* empty */
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| locations location
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;
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location : TLOCATION TSTRING '{' locopts '}' {
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loc->match = $2;
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if (++iloc == LOCLEN)
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errx(1, "too much location rules defined");
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loc++;
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}
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| error '}'
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;
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locopts : /* empty */
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| locopts locopt
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;
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locopt : TDEFAULT TTYPE TSTRING {
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2021-01-27 16:53:30 +01:00
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if (loc->default_mime != NULL)
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yyerror("`default type' specified more than once");
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2021-01-24 15:11:40 +01:00
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loc->default_mime = $3;
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2021-01-19 12:28:41 +01:00
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}
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2021-01-19 11:58:29 +01:00
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| TLANG TSTRING {
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2021-01-27 16:53:30 +01:00
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if (loc->lang != NULL)
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yyerror("`lang' specified more than once");
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2021-01-24 15:11:40 +01:00
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loc->lang = $2;
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2021-01-19 11:58:29 +01:00
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}
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2021-01-24 10:14:01 +01:00
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| TINDEX TSTRING {
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2021-01-27 16:53:30 +01:00
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if (loc->index != NULL)
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yyerror("`index' specified more than once");
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2021-01-24 15:11:40 +01:00
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loc->index = $2;
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2021-01-24 10:14:01 +01:00
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}
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2021-01-24 19:53:26 +01:00
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| TAUTO TINDEX TBOOL { loc->auto_index = $3 ? 1 : -1; }
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2021-01-15 10:17:43 +01:00
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;
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2021-01-27 17:45:45 +01:00
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%%
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void
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yyerror(const char *msg)
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{
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goterror = 1;
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fprintf(stderr, "%s:%d: %s\n", config_path, yylineno, msg);
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}
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int
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parse_portno(const char *p)
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{
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const char *errstr;
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int n;
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n = strtonum(p, 0, UINT16_MAX, &errstr);
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if (errstr != NULL)
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errx(1, "port number is %s: %s", errstr, p);
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return n;
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}
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void
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parse_conf(const char *path)
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{
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config_path = path;
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if ((yyin = fopen(path, "r")) == NULL)
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fatal("cannot open config %s", path);
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yyparse();
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fclose(yyin);
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if (goterror)
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exit(1);
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}
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2021-02-01 12:08:57 +01:00
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char *
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ensure_absolute_path(char *path)
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{
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if (path == NULL || *path != '/')
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yyerror("not an absolute path");
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return path;
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}
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