Blob
Date:
Sat Sep 10 09:48:30 2022
UTC
Message:
drop cgi vestiges from the struct host
The `env' list is no longer used since CGI scripts were removed
%{/** Copyright (c) 2021, 2022 Omar Polo <op@omarpolo.com>* Copyright (c) 2018 Florian Obser <florian@openbsd.org>* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>* Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>* Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>* Copyright (c) 2001 Markus Friedl. All rights reserved.* Copyright (c) 2001 Daniel Hartmeier. All rights reserved.* Copyright (c) 2001 Theo de Raadt. All rights reserved.** Permission to use, copy, modify, and distribute this software for any* purpose with or without fee is hereby granted, provided that the above* copyright notice and this permission notice appear in all copies.** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.*/#include "gmid.h"#include <ctype.h>#include <errno.h>#include <stdarg.h>#include <stdio.h>#include <stdlib.h>#include <string.h>TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);static struct file {TAILQ_ENTRY(file) entry;FILE *stream;char *name;size_t ungetpos;size_t ungetsize;u_char *ungetbuf;int eof_reached;int lineno;int errors;} *file, *topfile;struct file *pushfile(const char *, int);int popfile(void);int yyparse(void);int yylex(void);void yyerror(const char *, ...)__attribute__((__format__ (printf, 1, 2)))__attribute__((__nonnull__ (1)));void yywarn(const char *, ...)__attribute__((__format__ (printf, 1, 2)))__attribute__((__nonnull__ (1)));int kw_cmp(const void *, const void *);int lookup(char *);int igetc(void);int lgetc(int);void lungetc(int);int findeol(void);/** #define YYDEBUG 1* int yydebug = 1;*/TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);struct sym {TAILQ_ENTRY(sym) entry;int used;int persist;char *name;char *val;};int symset(const char *, const char *, int);char *symget(const char *);struct vhost *new_vhost(void);struct location *new_location(void);struct proxy *new_proxy(void);char *ensure_absolute_path(char*);int check_block_code(int);char *check_block_fmt(char*);int check_strip_no(int);int check_port_num(int);int check_prefork_num(int);void advance_loc(void);void advance_proxy(void);void parsehp(char *, char **, const char **, const char *);void only_once(const void*, const char*);void only_oncei(int, const char*);int fastcgi_conf(char *, char *, char *);void add_param(char *, char *);static struct vhost *host;static struct location *loc;static struct proxy *proxy;static char *current_media;static int errors;typedef struct {union {char *string;int number;} v;int lineno;} YYSTYPE;%}/* for bison: *//* %define parse.error verbose */%token ALIAS AUTO%token BLOCK%token CA CERT CHROOT CLIENT%token DEFAULT%token FASTCGI FOR_HOST%token INCLUDE INDEX IPV6%token KEY%token LANG LOCATION LOG%token OCSP OFF ON%token PARAM PORT PREFORK PROTO PROTOCOLS PROXY%token RELAY_TO REQUIRE RETURN ROOT%token SERVER SNI SPAWN STRIP%token TCP TOEXT TYPE TYPES%token USE_TLS USER%token VERIFYNAME%token ERROR%token <v.string> STRING%token <v.number> NUM%type <v.number> bool%type <v.string> string numberstring%%conf : /* empty */| conf include '\n'| conf '\n'| conf varset '\n'| conf option '\n'| conf vhost '\n'| conf types '\n'| conf error '\n' { file->errors++; };include : INCLUDE STRING {struct file *nfile;if ((nfile = pushfile($2, 0)) == NULL) {yyerror("failed to include file %s", $2);free($2);YYERROR;}free($2);file = nfile;lungetc('\n');};bool : ON { $$ = 1; }| OFF { $$ = 0; };string : string STRING {if (asprintf(&$$, "%s%s", $1, $2) == -1) {free($1);free($2);yyerror("string: asprintf: %s", strerror(errno));YYERROR;}free($1);free($2);}| STRING;numberstring : NUM {char *s;if (asprintf(&s, "%d", $1) == -1) {yyerror("asprintf: number");YYERROR;}$$ = s;}| STRING;varset : STRING '=' string {char *s = $1;while (*s++) {if (isspace((unsigned char)*s)) {yyerror("macro name cannot contain ""whitespaces");free($1);free($3);YYERROR;}}symset($1, $3, 0);free($1);free($3);};option : CHROOT string {if (strlcpy(conf.chroot, $2, sizeof(conf.chroot)) >=sizeof(conf.chroot))yyerror("chroot path too long");free($2);}| IPV6 bool { conf.ipv6 = $2; }| PORT NUM { conf.port = check_port_num($2); }| PREFORK NUM { conf.prefork = check_prefork_num($2); }| PROTOCOLS string {if (tls_config_parse_protocols(&conf.protos, $2) == -1)yyerror("invalid protocols string \"%s\"", $2);free($2);}| USER string {if (strlcpy(conf.user, $2, sizeof(conf.user)) >=sizeof(conf.user))yyerror("user name too long");free($2);};vhost : SERVER string {host = new_vhost();TAILQ_INSERT_HEAD(&hosts, host, vhosts);loc = new_location();TAILQ_INSERT_HEAD(&host->locations, loc, locations);TAILQ_INIT(&host->proxies);loc->match = xstrdup("*");host->domain = $2;if (strstr($2, "xn--") != NULL) {yywarn("\"%s\" looks like punycode: you ""should use the decoded hostname", $2);}} '{' optnl servbody '}' {if (host->cert == NULL || host->key == NULL)yyerror("invalid vhost definition: %s", $2);}| error '}' { yyerror("bad server directive"); };servbody : /* empty */| servbody servopt optnl| servbody location optnl| servbody proxy optnl;servopt : ALIAS string {struct alist *a;a = xcalloc(1, sizeof(*a));a->alias = $2;if (TAILQ_EMPTY(&host->aliases))TAILQ_INSERT_HEAD(&host->aliases, a, aliases);elseTAILQ_INSERT_TAIL(&host->aliases, a, aliases);}| CERT string {only_once(host->cert, "cert");host->cert = ensure_absolute_path($2);}| KEY string {only_once(host->key, "key");host->key = ensure_absolute_path($2);}| OCSP string {only_once(host->ocsp, "ocsp");host->ocsp = ensure_absolute_path($2);}| PARAM string '=' string {add_param($2, $4);}| locopt;proxy : PROXY { advance_proxy(); }proxy_matches '{' optnl proxy_opts '}' {if (proxy->host == NULL)yyerror("invalid proxy block: missing `relay-to' option");if ((proxy->cert == NULL && proxy->key != NULL) ||(proxy->cert != NULL && proxy->key == NULL))yyerror("invalid proxy block: missing cert or key");};proxy_matches : /* empty */| proxy_matches proxy_match;proxy_match : PROTO string {only_once(proxy->match_proto, "proxy proto");free(proxy->match_proto);proxy->match_proto = $2;}| FOR_HOST string {only_once(proxy->match_host, "proxy for-host");free(proxy->match_host);parsehp($2, &proxy->match_host, &proxy->match_port, "10965");};proxy_opts : /* empty */| proxy_opts proxy_opt optnl;proxy_opt : CERT string {only_once(proxy->cert, "proxy cert");tls_unload_file(proxy->cert, proxy->certlen);ensure_absolute_path($2);proxy->cert = tls_load_file($2, &proxy->certlen, NULL);if (proxy->cert == NULL)yyerror("can't load cert %s", $2);free($2);}| KEY string {only_once(proxy->key, "proxy key");tls_unload_file(proxy->key, proxy->keylen);ensure_absolute_path($2);proxy->key = tls_load_file($2, &proxy->keylen, NULL);if (proxy->key == NULL)yyerror("can't load key %s", $2);free($2);}| PROTOCOLS string {if (tls_config_parse_protocols(&proxy->protocols, $2) == -1)yyerror("invalid protocols string \"%s\"", $2);free($2);}| RELAY_TO string {only_once(proxy->host, "proxy relay-to");free(proxy->host);parsehp($2, &proxy->host, &proxy->port, "1965");}| REQUIRE CLIENT CA string {only_once(proxy->reqca, "require client ca");ensure_absolute_path($4);if ((proxy->reqca = load_ca($4)) == NULL)yyerror("couldn't load ca cert: %s", $4);free($4);}| SNI string {only_once(proxy->sni, "proxy sni");free(proxy->sni);proxy->sni = $2;}| USE_TLS bool {proxy->notls = !$2;}| VERIFYNAME bool {proxy->noverifyname = !$2;};location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {/* drop the starting '/' if any */if (*$3 == '/')memmove($3, $3+1, strlen($3));loc->match = $3;}| error '}';locopts : /* empty */| locopts locopt optnl;locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }| BLOCK RETURN NUM string {only_once(loc->block_fmt, "block");loc->block_fmt = check_block_fmt($4);loc->block_code = check_block_code($3);}| BLOCK RETURN NUM {only_once(loc->block_fmt, "block");loc->block_fmt = xstrdup("temporary failure");loc->block_code = check_block_code($3);if ($3 >= 30 && $3 < 40)yyerror("missing `meta' for block return %d", $3);}| BLOCK {only_once(loc->block_fmt, "block");loc->block_fmt = xstrdup("temporary failure");loc->block_code = 40;}| DEFAULT TYPE string {only_once(loc->default_mime, "default type");loc->default_mime = $3;}| FASTCGI fastcgi| INDEX string {only_once(loc->index, "index");loc->index = $2;}| LANG string {only_once(loc->lang, "lang");loc->lang = $2;}| LOG bool { loc->disable_log = !$2; }| REQUIRE CLIENT CA string {only_once(loc->reqca, "require client ca");ensure_absolute_path($4);if ((loc->reqca = load_ca($4)) == NULL)yyerror("couldn't load ca cert: %s", $4);free($4);}| ROOT string {only_once(loc->dir, "root");loc->dir = ensure_absolute_path($2);}| STRIP NUM { loc->strip = check_strip_no($2); };fastcgi : SPAWN string {only_oncei(loc->fcgi, "fastcgi");loc->fcgi = fastcgi_conf(NULL, NULL, $2);}| string {only_oncei(loc->fcgi, "fastcgi");loc->fcgi = fastcgi_conf($1, NULL, NULL);}| TCP string PORT NUM {char *c;if (asprintf(&c, "%d", $4) == -1)err(1, "asprintf");only_oncei(loc->fcgi, "fastcgi");loc->fcgi = fastcgi_conf($2, c, NULL);}| TCP string {only_oncei(loc->fcgi, "fastcgi");loc->fcgi = fastcgi_conf($2, xstrdup("9000"), NULL);}| TCP string PORT string {only_oncei(loc->fcgi, "fastcgi");loc->fcgi = fastcgi_conf($2, $4, NULL);};types : TYPES '{' optnl mediaopts_l '}' ;mediaopts_l : mediaopts_l mediaoptsl nl| mediaoptsl nl;mediaoptsl : STRING {free(current_media);current_media = $1;} medianames_l optsemicolon| include;medianames_l : medianames_l medianamesl| medianamesl;medianamesl : numberstring {if (add_mime(&conf.mime, current_media, $1) == -1)err(1, "add_mime");free($1);};nl : '\n' optnl;optnl : '\n' optnl /* zero or more newlines */| ';' optnl /* semicolons too */| /*empty*/;optsemicolon : ';'|;%%static const struct keyword {const char *word;int token;} keywords[] = {/* these MUST be sorted */{"alias", ALIAS},{"auto", AUTO},{"block", BLOCK},{"ca", CA},{"cert", CERT},{"chroot", CHROOT},{"client", CLIENT},{"default", DEFAULT},{"fastcgi", FASTCGI},{"for-host", FOR_HOST},{"include", INCLUDE},{"index", INDEX},{"ipv6", IPV6},{"key", KEY},{"lang", LANG},{"location", LOCATION},{"log", LOG},{"ocsp", OCSP},{"off", OFF},{"on", ON},{"param", PARAM},{"port", PORT},{"prefork", PREFORK},{"proto", PROTO},{"protocols", PROTOCOLS},{"proxy", PROXY},{"relay-to", RELAY_TO},{"require", REQUIRE},{"return", RETURN},{"root", ROOT},{"server", SERVER},{"sni", SNI},{"spawn", SPAWN},{"strip", STRIP},{"tcp", TCP},{"to-ext", TOEXT},{"type", TYPE},{"types", TYPES},{"use-tls", USE_TLS},{"user", USER},{"verifyname", VERIFYNAME},};voidyyerror(const char *msg, ...){va_list ap;file->errors++;va_start(ap, msg);fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);vfprintf(stderr, msg, ap);fprintf(stderr, "\n");va_end(ap);}voidyywarn(const char *msg, ...){va_list ap;va_start(ap, msg);fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);vfprintf(stderr, msg, ap);fprintf(stderr, "\n");va_end(ap);}intkw_cmp(const void *k, const void *e){return strcmp(k, ((struct keyword *)e)->word);}intlookup(char *s){const struct keyword *p;p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),sizeof(keywords[0]), kw_cmp);if (p)return p->token;elsereturn STRING;}#define START_EXPAND 1#define DONE_EXPAND 2static int expanding;intigetc(void){int c;while (1) {if (file->ungetpos > 0)c = file->ungetbuf[--file->ungetpos];elsec = getc(file->stream);if (c == START_EXPAND)expanding = 1;else if (c == DONE_EXPAND)expanding = 0;elsebreak;}return c;}intlgetc(int quotec){int c, next;if (quotec) {if ((c = igetc()) == EOF) {yyerror("reached end of file while parsing ""quoted string");if (file == topfile || popfile() == EOF)return EOF;return quotec;}return c;}while ((c = igetc()) == '\\') {next = igetc();if (next != '\n') {c = next;break;}yylval.lineno = file->lineno;file->lineno++;}if (c == EOF) {/** Fake EOL when hit EOF for the first time. This gets line* count right if last line in included file is syntactically* invalid and has no newline.*/if (file->eof_reached == 0) {file->eof_reached = 1;return '\n';}while (c == EOF) {if (file == topfile || popfile() == EOF)return EOF;c = igetc();}}return c;}voidlungetc(int c){if (c == EOF)return;if (file->ungetpos >= file->ungetsize) {void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);if (p == NULL)err(1, "lungetc");file->ungetbuf = p;file->ungetsize *= 2;}file->ungetbuf[file->ungetpos++] = c;}intfindeol(void){int c;/* Skip to either EOF or the first real EOL. */while (1) {c = lgetc(0);if (c == '\n') {file->lineno++;break;}if (c == EOF)break;}return ERROR;}intyylex(void){char buf[8096];char *p, *val;int quotec, next, c;int token;top:p = buf;while ((c = lgetc(0)) == ' ' || c == '\t'); /* nothing */yylval.lineno = file->lineno;if (c == '#')while ((c = lgetc(0)) != '\n' && c != EOF); /* nothing */if (c == '$' && !expanding) {while (1) {if ((c = lgetc(0)) == EOF)return 0;if (p + 1 >= buf + sizeof(buf) -1) {yyerror("string too long");return findeol();}if (isalnum(c) || c == '_') {*p++ = c;continue;}*p = '\0';lungetc(c);break;}val = symget(buf);if (val == NULL) {yyerror("macro `%s' not defined", buf);return findeol();}yylval.v.string = xstrdup(val);return STRING;}if (c == '@' && !expanding) {while (1) {if ((c = lgetc(0)) == EOF)return 0;if (p + 1 >= buf + sizeof(buf) - 1) {yyerror("string too long");return findeol();}if (isalnum(c) || c == '_') {*p++ = c;continue;}*p = '\0';lungetc(c);break;}val = symget(buf);if (val == NULL) {yyerror("macro '%s' not defined", buf);return findeol();}p = val + strlen(val) - 1;lungetc(DONE_EXPAND);while (p >= val) {lungetc(*p);p--;}lungetc(START_EXPAND);goto top;}switch (c) {case '\'':case '"':quotec = c;while (1) {if ((c = lgetc(quotec)) == EOF)return 0;if (c == '\n') {file->lineno++;continue;} else if (c == '\\') {if ((next = lgetc(quotec)) == EOF)return (0);if (next == quotec || next == ' ' ||next == '\t')c = next;else if (next == '\n') {file->lineno++;continue;} elselungetc(next);} else if (c == quotec) {*p = '\0';break;} else if (c == '\0') {yyerror("invalid syntax");return findeol();}if (p + 1 >= buf + sizeof(buf) - 1) {yyerror("string too long");return findeol();}*p++ = c;}yylval.v.string = strdup(buf);if (yylval.v.string == NULL)err(1, "yylex: strdup");return STRING;}#define allowed_to_end_number(x) \(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')if (c == '-' || isdigit(c)) {do {*p++ = c;if ((size_t)(p-buf) >= sizeof(buf)) {yyerror("string too long");return findeol();}} while ((c = lgetc(0)) != EOF && isdigit(c));lungetc(c);if (p == buf + 1 && buf[0] == '-')goto nodigits;if (c == EOF || allowed_to_end_number(c)) {const char *errstr = NULL;*p = '\0';yylval.v.number = strtonum(buf, LLONG_MIN,LLONG_MAX, &errstr);if (errstr) {yyerror("\"%s\" invalid number: %s",buf, errstr);return findeol();}return NUM;} else {nodigits:while (p > buf + 1)lungetc(*--p);c = *--p;if (c == '-')return c;}}#define allowed_in_string(x) \(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \x != '{' && x != '}' && \x != '!' && x != '=' && x != '#' && \x != ',' && x != ';'))if (isalnum(c) || c == ':' || c == '_') {do {*p++ = c;if ((size_t)(p-buf) >= sizeof(buf)) {yyerror("string too long");return findeol();}} while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));lungetc(c);*p = '\0';if ((token = lookup(buf)) == STRING)yylval.v.string = xstrdup(buf);return token;}if (c == '\n') {yylval.lineno = file->lineno;file->lineno++;}if (c == EOF)return 0;return c;}struct file *pushfile(const char *name, int secret){struct file *nfile;nfile = xcalloc(1, sizeof(*nfile));nfile->name = xstrdup(name);if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {log_warn(NULL, "can't open %s: %s", nfile->name,strerror(errno));free(nfile->name);free(nfile);return NULL;}nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;nfile->ungetsize = 16;nfile->ungetbuf = xcalloc(1, nfile->ungetsize);TAILQ_INSERT_TAIL(&files, nfile, entry);return nfile;}intpopfile(void){struct file *prev;if ((prev = TAILQ_PREV(file, files, entry)) != NULL)prev->errors += file->errors;TAILQ_REMOVE(&files, file, entry);fclose(file->stream);free(file->name);free(file->ungetbuf);free(file);file = prev;return file ? 0 : EOF;}voidparse_conf(const char *filename){struct sym *sym, *next;file = pushfile(filename, 0);if (file == NULL)exit(1);topfile = file;yyparse();errors = file->errors;popfile();/* Free macros and check which have not been used. */TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {/* TODO: warn if !sym->used */if (!sym->persist) {free(sym->name);free(sym->val);TAILQ_REMOVE(&symhead, sym, entry);free(sym);}}if (errors)exit(1);}voidprint_conf(void){struct vhost *h;/* struct location *l; *//* struct envlist *e; *//* struct alist *a; */if (*conf.chroot != '\0')printf("chroot \"%s\"\n", conf.chroot);printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");/* XXX: defined mimes? */printf("port %d\n", conf.port);printf("prefork %d\n", conf.prefork);/* XXX: protocols? */if (*conf.user != '\0')printf("user \"%s\"\n", conf.user);TAILQ_FOREACH(h, &hosts, vhosts) {printf("\nserver \"%s\" {\n", h->domain);printf(" cert \"%s\"\n", h->cert);printf(" key \"%s\"\n", h->key);/* TODO: print locations... */printf("}\n");}}intsymset(const char *name, const char *val, int persist){struct sym *sym;TAILQ_FOREACH(sym, &symhead, entry) {if (!strcmp(name, sym->name))break;}if (sym != NULL) {if (sym->persist)return 0;else {free(sym->name);free(sym->val);TAILQ_REMOVE(&symhead, sym, entry);free(sym);}}sym = xcalloc(1, sizeof(*sym));sym->name = xstrdup(name);sym->val = xstrdup(val);sym->used = 0;sym->persist = persist;TAILQ_INSERT_TAIL(&symhead, sym, entry);return 0;}intcmdline_symset(char *s){char *sym, *val;int ret;if ((val = strrchr(s, '=')) == NULL)return -1;sym = xcalloc(1, val - s + 1);memcpy(sym, s, val - s);ret = symset(sym, val + 1, 1);free(sym);return ret;}char *symget(const char *nam){struct sym *sym;TAILQ_FOREACH(sym, &symhead, entry) {if (strcmp(nam, sym->name) == 0) {sym->used = 1;return sym->val;}}return NULL;}struct vhost *new_vhost(void){return xcalloc(1, sizeof(struct vhost));}struct location *new_location(void){struct location *l;l = xcalloc(1, sizeof(*l));l->dirfd = -1;l->fcgi = -1;return l;}struct proxy *new_proxy(void){struct proxy *p;conf.can_open_sockets = 1;p = xcalloc(1, sizeof(*p));p->protocols = TLS_PROTOCOLS_DEFAULT;return p;}char *ensure_absolute_path(char *path){if (path == NULL || *path != '/')yyerror("not an absolute path: %s", path);return path;}intcheck_block_code(int n){if (n < 10 || n >= 70 || (n >= 20 && n <= 29))yyerror("invalid block code %d", n);return n;}char *check_block_fmt(char *fmt){char *s;for (s = fmt; *s; ++s) {if (*s != '%')continue;switch (*++s) {case '%':case 'p':case 'q':case 'P':case 'N':break;default:yyerror("invalid format specifier %%%c", *s);}}return fmt;}intcheck_strip_no(int n){if (n <= 0)yyerror("invalid strip number %d", n);return n;}intcheck_port_num(int n){if (n <= 0 || n >= UINT16_MAX)yyerror("port number is %s: %d",n <= 0 ? "too small" : "too large",n);return n;}intcheck_prefork_num(int n){if (n <= 0 || n >= PROC_MAX)yyerror("invalid prefork number %d", n);return n;}voidadvance_loc(void){loc = new_location();TAILQ_INSERT_TAIL(&host->locations, loc, locations);}voidadvance_proxy(void){proxy = new_proxy();TAILQ_INSERT_TAIL(&host->proxies, proxy, proxies);}voidparsehp(char *str, char **host, const char **port, const char *def){char *at;const char *errstr;*host = str;if ((at = strchr(str, ':')) != NULL) {*at++ = '\0';*port = at;} else*port = def;strtonum(*port, 1, UINT16_MAX, &errstr);if (errstr != NULL)yyerror("port is %s: %s", errstr, *port);}voidonly_once(const void *ptr, const char *name){if (ptr != NULL)yyerror("`%s' specified more than once", name);}voidonly_oncei(int i, const char *name){if (i != -1)yyerror("`%s' specified more than once", name);}intfastcgi_conf(char *path, char *port, char *prog){struct fcgi *f;int i;conf.can_open_sockets = 1;for (i = 0; i < FCGI_MAX; ++i) {f = &fcgi[i];if (f->path == NULL) {f->id = i;f->path = path;f->port = port;f->prog = prog;return i;}/* XXX: what to do with prog? */if (!strcmp(f->path, path) &&((port == NULL && f->port == NULL) ||!strcmp(f->port, port))) {free(path);free(port);return i;}}yyerror("too much `fastcgi' rules defined.");return -1;}voidadd_param(char *name, char *val){struct envlist *e;struct envhead *h = &host->params;e = xcalloc(1, sizeof(*e));e->name = name;e->value = val;if (TAILQ_EMPTY(h))TAILQ_INSERT_HEAD(h, e, envs);elseTAILQ_INSERT_TAIL(h, e, envs);}
Omar Polo