/* $KAME: cftoken.l,v 1.69 2002/09/27 06:03:51 itojun Exp $ */
%{
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet6/ipsec.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <ctype.h>
#include <glob.h>
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "var.h"
#include "misc.h"
#include "vmbuf.h"
#include "plog.h"
#include "debug.h"
#include "algorithm.h"
#include "cfparse.h"
#include "cftoken.h"
#include "localconf.h"
#include "oakley.h"
#include "isakmp_var.h"
#include "isakmp.h"
#include "ipsec_doi.h"
#include "proposal.h"
#ifdef GC
#include "gcmalloc.h"
#endif
/*#include "y.tab.h"*/
int yyerrorcount = 0;
#if defined(YIPS_DEBUG)
# define YYDB plog(LLV_DEBUG2, LOCATION, NULL, \
"begin <%d>%s\n", yy_start, yytext);
# define YYD { \
plog(LLV_DEBUG2, LOCATION, NULL, "<%d>%s", \
yy_start, loglevel >= LLV_DEBUG2 ? "\n" : ""); \
}
#else
# define YYDB
# define YYD
#endif /* defined(YIPS_DEBUG) */
#define MAX_INCLUDE_DEPTH 10
static struct include_stack {
char *path;
FILE *fp;
YY_BUFFER_STATE prevstate;
int lineno;
glob_t matches;
int matchon;
} incstack[MAX_INCLUDE_DEPTH];
static int incstackp = 0;
static int yy_first_time = 1;
%}
/* common section */
nl \n
ws [ \t]+
digit [0-9]
letter [A-Za-z]
hexdigit [0-9A-Fa-f]
/*octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5]))) */
special [()+\|\?\*]
comma \,
dot \.
slash \/
bcl \{
ecl \}
blcl \[
elcl \]
percent \%
semi \;
comment \#.*
ccomment "/*"
bracketstring \<[^>]*\>
quotedstring \"[^"]*\"
addrstring [a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*)
decstring {digit}+
hexstring 0x{hexdigit}+
%s S_INI S_PTH S_INF S_LOG S_PAD S_LST S_RTRY
%s S_ALGST S_ALGCL
%s S_SAINF S_SAINFS
%s S_RMT S_RMTS S_RMTP
%s S_SA
%%
%{
if (yy_first_time) {
BEGIN S_INI;
yy_first_time = 0;
}
%}
/* path */
<S_INI>path { BEGIN S_PTH; YYDB; return(PATH); }
<S_PTH>include { YYD; yylval.num = LC_PATHTYPE_INCLUDE;
return(PATHTYPE); }
<S_PTH>pre_shared_key { YYD; yylval.num = LC_PATHTYPE_PSK;
return(PATHTYPE); }
<S_PTH>certificate { YYD; yylval.num = LC_PATHTYPE_CERT;
return(PATHTYPE); }
<S_PTH>backupsa { YYD; yylval.num = LC_PATHTYPE_BACKUPSA;
return(PATHTYPE); }
<S_PTH>{semi} { BEGIN S_INI; YYDB; return(EOS); }
/* include */
<S_INI>include { YYDB; return(INCLUDE); }
/* self information */
<S_INI>identifier { BEGIN S_INF; YYDB; yywarn("it is obsoleted. use \"my_identifier\" in each remote directives."); return(IDENTIFIER); }
<S_INF>{semi} { BEGIN S_INI; return(EOS); }
/* special */
<S_INI>complex_bundle { YYDB; return(COMPLEX_BUNDLE); }
/* logging */
<S_INI>log { BEGIN S_LOG; YYDB; return(LOGGING); }
<S_LOG>info { YYD; yywarn("it is obsoleted. use \"notify\""); yylval.num = 0; return(LOGLEV); }
<S_LOG>notify { YYD; yylval.num = 0; return(LOGLEV); }
<S_LOG>debug { YYD; yylval.num = 1; return(LOGLEV); }
<S_LOG>debug2 { YYD; yylval.num = 2; return(LOGLEV); }
<S_LOG>debug3 { YYD; yywarn("it is osboleted. use \"debug2\""); yylval.num = 2; return(LOGLEV); }
<S_LOG>debug4 { YYD; yywarn("it is obsoleted. use \"debug2\""); yylval.num = 2; return(LOGLEV); }
<S_LOG>{semi} { BEGIN S_INI; return(EOS); }
/* padding */
<S_INI>padding { BEGIN S_PAD; YYDB; return(PADDING); }
<S_PAD>{bcl} { return(BOC); }
<S_PAD>randomize { YYD; return(PAD_RANDOMIZE); }
<S_PAD>randomize_length { YYD; return(PAD_RANDOMIZELEN); }
<S_PAD>maximum_length { YYD; return(PAD_MAXLEN); }
<S_PAD>strict_check { YYD; return(PAD_STRICT); }
<S_PAD>exclusive_tail { YYD; return(PAD_EXCLTAIL); }
<S_PAD>{ecl} { BEGIN S_INI; return(EOC); }
/* listen */
<S_INI>listen { BEGIN S_LST; YYDB; return(LISTEN); }
<S_LST>{bcl} { return(BOC); }
<S_LST>isakmp { YYD; return(X_ISAKMP); }
<S_LST>admin { YYD; return(X_ADMIN); }
<S_LST>strict_address { YYD; return(STRICT_ADDRESS); }
<S_LST>{ecl} { BEGIN S_INI; return(EOC); }
/* timer */
<S_INI>timer { BEGIN S_RTRY; YYDB; return(RETRY); }
<S_RTRY>{bcl} { return(BOC); }
<S_RTRY>counter { YYD; return(RETRY_COUNTER); }
<S_RTRY>interval { YYD; return(RETRY_INTERVAL); }
<S_RTRY>persend { YYD; return(RETRY_PERSEND); }
<S_RTRY>phase1 { YYD; return(RETRY_PHASE1); }
<S_RTRY>phase2 { YYD; return(RETRY_PHASE2); }
<S_RTRY>{ecl} { BEGIN S_INI; return(EOC); }
/* sainfo */
<S_INI>sainfo { BEGIN S_SAINF; YYDB; return(SAINFO); }
<S_SAINF>anonymous { YYD; return(ANONYMOUS); }
<S_SAINF>{blcl}any{elcl} { YYD; return(PORTANY); }
<S_SAINF>any { YYD; return(ANY); }
/* sainfo spec */
<S_SAINF>{bcl} { BEGIN S_SAINFS; return(BOC); }
<S_SAINF>{semi} { BEGIN S_INI; return(EOS); }
<S_SAINFS>{ecl} { BEGIN S_INI; return(EOC); }
<S_SAINFS>pfs_group { YYD; return(PFS_GROUP); }
<S_SAINFS>identifier { YYD; yywarn("it is obsoleted. use \"my_identifier\"."); return(IDENTIFIER); }
<S_SAINFS>my_identifier { YYD; return(MY_IDENTIFIER); }
<S_SAINFS>lifetime { YYD; return(LIFETIME); }
<S_SAINFS>time { YYD; return(LIFETYPE_TIME); }
<S_SAINFS>byte { YYD; return(LIFETYPE_BYTE); }
<S_SAINFS>encryption_algorithm { YYD; yylval.num = algclass_ipsec_enc; return(ALGORITHM_CLASS); }
<S_SAINFS>authentication_algorithm { YYD; yylval.num = algclass_ipsec_auth; return(ALGORITHM_CLASS); }
<S_SAINFS>compression_algorithm { YYD; yylval.num = algclass_ipsec_comp; return(ALGORITHM_CLASS); }
<S_SAINFS>{comma} { YYD; return(COMMA); }
/* remote */
<S_INI>remote { BEGIN S_RMT; YYDB; return(REMOTE); }
<S_RMT>anonymous { YYD; return(ANONYMOUS); }
/* remote spec */
<S_RMT>{bcl} { BEGIN S_RMTS; return(BOC); }
<S_RMTS>{ecl} { BEGIN S_INI; return(EOC); }
<S_RMTS>exchange_mode { YYD; return(EXCHANGE_MODE); }
<S_RMTS>{comma} { YYD; /* XXX ignored, but to be handled. */ ; }
<S_RMTS>base { YYD; yylval.num = ISAKMP_ETYPE_BASE; return(EXCHANGETYPE); }
<S_RMTS>main { YYD; yylval.num = ISAKMP_ETYPE_IDENT; return(EXCHANGETYPE); }
<S_RMTS>aggressive { YYD; yylval.num = ISAKMP_ETYPE_AGG; return(EXCHANGETYPE); }
<S_RMTS>doi { YYD; return(DOI); }
<S_RMTS>ipsec_doi { YYD; yylval.num = IPSEC_DOI; return(DOITYPE); }
<S_RMTS>situation { YYD; return(SITUATION); }
<S_RMTS>identity_only { YYD; yylval.num = IPSECDOI_SIT_IDENTITY_ONLY; return(SITUATIONTYPE); }
<S_RMTS>secrecy { YYD; yylval.num = IPSECDOI_SIT_SECRECY; return(SITUATIONTYPE); }
<S_RMTS>integrity { YYD; yylval.num = IPSECDOI_SIT_INTEGRITY; return(SITUATIONTYPE); }
<S_RMTS>identifier { YYD; yywarn("it is obsoleted. use \"my_identifier\"."); return(IDENTIFIER); }
<S_RMTS>my_identifier { YYD; return(MY_IDENTIFIER); }
<S_RMTS>peers_identifier { YYD; return(PEERS_IDENTIFIER); }
<S_RMTS>verify_identifier { YYD; return(VERIFY_IDENTIFIER); }
<S_RMTS>open_dir_auth_group { YYD; return(OPEN_DIR_AUTH_GROUP); }
<S_RMTS>certificate_type { YYD; return(CERTIFICATE_TYPE); }
<S_RMTS>shared_secret { YYD; return(SHARED_SECRET); }
<S_RMTS>x509 { YYD; yylval.num = ISAKMP_CERT_X509SIGN; return(CERT_X509); }
<S_RMTS>in_keychain { YYD; return(IN_KEYCHAIN); }
<S_RMTS>certificate_verification { YYD; return(CERTIFICATE_VERIFICATION); }
<S_RMTS>peers_certfile { YYD; return(PEERS_CERTFILE); }
<S_RMTS>dnssec { YYD; return(DNSSEC); }
<S_RMTS>verify_cert { YYD; return(VERIFY_CERT); }
<S_RMTS>send_cert { YYD; return(SEND_CERT); }
<S_RMTS>send_cr { YYD; return(SEND_CR); }
<S_RMTS>dh_group { YYD; return(DH_GROUP); }
<S_RMTS>nonce_size { YYD; return(NONCE_SIZE); }
<S_RMTS>generate_policy { YYD; return(GENERATE_POLICY); }
<S_RMTS>support_mip6 { YYD; return(SUPPORT_MIP6); }
<S_RMTS>initial_contact { YYD; return(INITIAL_CONTACT); }
<S_RMTS>proposal_check { YYD; return(PROPOSAL_CHECK); }
<S_RMTS>obey { YYD; yylval.num = PROP_CHECK_OBEY; return(PROPOSAL_CHECK_LEVEL); }
<S_RMTS>strict { YYD; yylval.num = PROP_CHECK_STRICT; return(PROPOSAL_CHECK_LEVEL); }
<S_RMTS>exact { YYD; yylval.num = PROP_CHECK_EXACT; return(PROPOSAL_CHECK_LEVEL); }
<S_RMTS>claim { YYD; yylval.num = PROP_CHECK_CLAIM; return(PROPOSAL_CHECK_LEVEL); }
<S_RMTS>keepalive { YYD; return(KEEPALIVE); }
<S_RMTS>passive { YYD; return(PASSIVE); }
<S_RMTS>lifetime { YYD; return(LIFETIME); }
<S_RMTS>time { YYD; return(LIFETYPE_TIME); }
<S_RMTS>byte { YYD; return(LIFETYPE_BYTE); }
/* remote proposal */
<S_RMTS>proposal { BEGIN S_RMTP; YYDB; return(PROPOSAL); }
<S_RMTP>{bcl} { return(BOC); }
<S_RMTP>{ecl} { BEGIN S_RMTS; return(EOC); }
<S_RMTP>lifetime { YYD; return(LIFETIME); }
<S_RMTP>time { YYD; return(LIFETYPE_TIME); }
<S_RMTP>byte { YYD; return(LIFETYPE_BYTE); }
<S_RMTP>encryption_algorithm { YYD; yylval.num = algclass_isakmp_enc; return(ALGORITHM_CLASS); }
<S_RMTP>authentication_method { YYD; yylval.num = algclass_isakmp_ameth; return(ALGORITHM_CLASS); }
<S_RMTP>hash_algorithm { YYD; yylval.num = algclass_isakmp_hash; return(ALGORITHM_CLASS); }
<S_RMTP>dh_group { YYD; return(DH_GROUP); }
<S_RMTP>gssapi_id { YYD; return(GSSAPI_ID); }
/* parameter */
on { YYD; yylval.num = TRUE; return(SWITCH); }
off { YYD; yylval.num = FALSE; return(SWITCH); }
/* prefix */
{slash}{digit}{1,3} {
YYD;
yytext++;
yylval.num = atoi(yytext);
return(PREFIX);
}
/* port number */
{blcl}{decstring}{elcl} {
char *p = yytext;
YYD;
while (*++p != ']') ;
*p = NULL;
yytext++;
yylval.num = atoi(yytext);
return(PORT);
}
/* upper protocol */
esp { YYD; yylval.num = IPPROTO_ESP; return(UL_PROTO); }
ah { YYD; yylval.num = IPPROTO_AH; return(UL_PROTO); }
ipcomp { YYD; yylval.num = IPPROTO_IPCOMP; return(UL_PROTO); }
icmp { YYD; yylval.num = IPPROTO_ICMP; return(UL_PROTO); }
icmp6 { YYD; yylval.num = IPPROTO_ICMPV6; return(UL_PROTO); }
tcp { YYD; yylval.num = IPPROTO_TCP; return(UL_PROTO); }
udp { YYD; yylval.num = IPPROTO_UDP; return(UL_PROTO); }
/* algorithm type */
des_iv64 { YYD; yylval.num = algtype_des_iv64; return(ALGORITHMTYPE); }
des { YYD; yylval.num = algtype_des; return(ALGORITHMTYPE); }
3des { YYD; yylval.num = algtype_3des; return(ALGORITHMTYPE); }
rc5 { YYD; yylval.num = algtype_rc5; return(ALGORITHMTYPE); }
idea { YYD; yylval.num = algtype_idea; return(ALGORITHMTYPE); }
cast128 { YYD; yylval.num = algtype_cast128; return(ALGORITHMTYPE); }
blowfish { YYD; yylval.num = algtype_blowfish; return(ALGORITHMTYPE); }
3idea { YYD; yylval.num = algtype_3idea; return(ALGORITHMTYPE); }
des_iv32 { YYD; yylval.num = algtype_des_iv32; return(ALGORITHMTYPE); }
rc4 { YYD; yylval.num = algtype_rc4; return(ALGORITHMTYPE); }
null_enc { YYD; yylval.num = algtype_null_enc; return(ALGORITHMTYPE); }
rijndael { YYD; yylval.num = algtype_rijndael; return(ALGORITHMTYPE); }
aes { YYD; yylval.num = algtype_rijndael; return(ALGORITHMTYPE); }
twofish { YYD; yylval.num = algtype_twofish; return(ALGORITHMTYPE); }
non_auth { YYD; yylval.num = algtype_non_auth; return(ALGORITHMTYPE); }
hmac_md5 { YYD; yylval.num = algtype_hmac_md5; return(ALGORITHMTYPE); }
hmac_sha1 { YYD; yylval.num = algtype_hmac_sha1; return(ALGORITHMTYPE); }
hmac_sha2_256 { YYD; yylval.num = algtype_hmac_sha2_256; return(ALGORITHMTYPE); }
hmac_sha2_384 { YYD; yylval.num = algtype_hmac_sha2_384; return(ALGORITHMTYPE); }
hmac_sha2_512 { YYD; yylval.num = algtype_hmac_sha2_512; return(ALGORITHMTYPE); }
des_mac { YYD; yylval.num = algtype_des_mac; return(ALGORITHMTYPE); }
kpdk { YYD; yylval.num = algtype_kpdk; return(ALGORITHMTYPE); }
md5 { YYD; yylval.num = algtype_md5; return(ALGORITHMTYPE); }
sha1 { YYD; yylval.num = algtype_sha1; return(ALGORITHMTYPE); }
tiger { YYD; yylval.num = algtype_tiger; return(ALGORITHMTYPE); }
sha2_256 { YYD; yylval.num = algtype_sha2_256; return(ALGORITHMTYPE); }
sha2_384 { YYD; yylval.num = algtype_sha2_384; return(ALGORITHMTYPE); }
sha2_512 { YYD; yylval.num = algtype_sha2_512; return(ALGORITHMTYPE); }
oui { YYD; yylval.num = algtype_oui; return(ALGORITHMTYPE); }
deflate { YYD; yylval.num = algtype_deflate; return(ALGORITHMTYPE); }
lzs { YYD; yylval.num = algtype_lzs; return(ALGORITHMTYPE); }
modp768 { YYD; yylval.num = algtype_modp768; return(ALGORITHMTYPE); }
modp1024 { YYD; yylval.num = algtype_modp1024; return(ALGORITHMTYPE); }
modp1536 { YYD; yylval.num = algtype_modp1536; return(ALGORITHMTYPE); }
ec2n155 { YYD; yylval.num = algtype_ec2n155; return(ALGORITHMTYPE); }
ec2n185 { YYD; yylval.num = algtype_ec2n185; return(ALGORITHMTYPE); }
modp2048 { YYD; yylval.num = algtype_modp2048; return(ALGORITHMTYPE); }
modp3072 { YYD; yylval.num = algtype_modp3072; return(ALGORITHMTYPE); }
modp4096 { YYD; yylval.num = algtype_modp4096; return(ALGORITHMTYPE); }
modp6144 { YYD; yylval.num = algtype_modp6144; return(ALGORITHMTYPE); }
modp8192 { YYD; yylval.num = algtype_modp8192; return(ALGORITHMTYPE); }
pre_shared_key { YYD; yylval.num = algtype_psk; return(ALGORITHMTYPE); }
rsasig { YYD; yylval.num = algtype_rsasig; return(ALGORITHMTYPE); }
dsssig { YYD; yylval.num = algtype_dsssig; return(ALGORITHMTYPE); }
rsaenc { YYD; yylval.num = algtype_rsaenc; return(ALGORITHMTYPE); }
rsarev { YYD; yylval.num = algtype_rsarev; return(ALGORITHMTYPE); }
gssapi_krb { YYD; yylval.num = algtype_gssapikrb; return(ALGORITHMTYPE); }
/* identifier type */
vendor_id { YYD; yywarn("it is obsoleted."); return(VENDORID); }
user_fqdn { YYD; yylval.num = IDTYPE_USERFQDN; return(IDENTIFIERTYPE); }
fqdn { YYD; yylval.num = IDTYPE_FQDN; return(IDENTIFIERTYPE); }
keyid { YYD; yylval.num = IDTYPE_KEYID; return(IDENTIFIERTYPE); }
keyid_use { YYD; yylval.num = IDTYPE_KEYIDUSE; return(IDENTIFIERTYPE); }
address { YYD; yylval.num = IDTYPE_ADDRESS; return(IDENTIFIERTYPE); }
asn1dn { YYD; yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
certname { YYD; yywarn("certname will be obsoleted in near future."); yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
/* shared secret type */
use { YYD; yylval.num = SECRETTYPE_USE; return(SECRETTYPE); }
key { YYD; yylval.num = SECRETTYPE_KEY; return(SECRETTYPE); }
keychain { YYD; yylval.num = SECRETTYPE_KEYCHAIN; return(SECRETTYPE); }
/* certificate verification */
openssl { YYD; yylval.num = VERIFICATION_MODULE_OPENSSL; return(VERIFICATION_MODULE); }
sec_framework { YYD; yylval.num = VERIFICATION_MODULE_SEC_FRAMEWORK; return(VERIFICATION_MODULE); }
use_open_dir { YYD; yylval.num = VERIFICATION_OPTION_OPEN_DIR; return(VERIFICATION_OPTION); }
use_peers_identifier { YYD; yylval.num = VERIFICATION_OPTION_PEERS_IDENTIFIER; return(VERIFICATION_OPTION); }
/* units */
B|byte|bytes { YYD; return(UNITTYPE_BYTE); }
KB { YYD; return(UNITTYPE_KBYTES); }
MB { YYD; return(UNITTYPE_MBYTES); }
TB { YYD; return(UNITTYPE_TBYTES); }
sec|secs|second|seconds { YYD; return(UNITTYPE_SEC); }
min|mins|minute|minutes { YYD; return(UNITTYPE_MIN); }
hour|hours { YYD; return(UNITTYPE_HOUR); }
/* boolean */
yes { YYD; yylval.num = TRUE; return(BOOLEAN); }
no { YYD; yylval.num = FALSE; return(BOOLEAN); }
{decstring} {
char *bp;
YYD;
yylval.num = strtol(yytext, &bp, 10);
return(NUMBER);
}
{hexstring} {
char *p;
YYD;
yylval.val = vmalloc(yyleng + (yyleng & 1) + 1);
if (yylval.val == NULL) {
yyerror("vmalloc failed");
return -1;
}
p = yylval.val->v;
*p++ = '0';
*p++ = 'x';
/* fixed string if length is odd. */
if (yyleng & 1)
*p++ = '0';
memcpy(p, &yytext[2], yyleng - 1);
return(HEXSTRING);
}
{quotedstring} {
u_char *p = yytext;
YYD;
while (*++p != '"') ;
*p = '\0';
yylval.val = vmalloc(yyleng - 1);
if (yylval.val == NULL) {
yyerror("vmalloc failed");
return -1;
}
memcpy(yylval.val->v, &yytext[1], yylval.val->l);
return(QUOTEDSTRING);
}
{addrstring} {
YYD;
yylval.val = vmalloc(yyleng + 1);
if (yylval.val == NULL) {
yyerror("vmalloc failed");
return -1;
}
memcpy(yylval.val->v, yytext, yylval.val->l);
return(ADDRSTRING);
}
<<EOF>> {
yy_delete_buffer(YY_CURRENT_BUFFER);
fclose(incstack[incstackp].fp);
incstack[incstackp].fp = -1;
racoon_free(incstack[incstackp].path);
incstack[incstackp].path = NULL;
incstackp--;
nextfile:
if (incstack[incstackp].matchon < incstack[incstackp].matches.gl_pathc)
{
char* filepath = incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
incstack[incstackp].matchon++;
incstackp++;
if (yycf_set_buffer(filepath) != 0)
{
incstackp--;
goto nextfile;
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
BEGIN(S_INI);
}
else
{
globfree(&incstack[incstackp].matches);
if (incstackp == 0)
yyterminate();
else
yy_switch_to_buffer(incstack[incstackp].prevstate);
}
}
/* ... */
{ws} { ; }
{nl} { incstack[incstackp].lineno++; }
{comment} { YYD; }
{semi} { return(EOS); }
. { yymore(); }
%%
void
yyerror(char *s, ...)
{
char fmt[512];
va_list ap;
#ifdef HAVE_STDARG_H
va_start(ap, s);
#else
va_start(ap);
#endif
snprintf(fmt, sizeof(fmt), "%s:%d: \"%s\" %s\n",
incstack[incstackp].path, incstack[incstackp].lineno,
yytext, s);
plogv(LLV_ERROR, LOCATION, NULL, fmt, ap);
va_end(ap);
yyerrorcount++;
}
void
yywarn(char *s, ...)
{
char fmt[512];
va_list ap;
#ifdef HAVE_STDARG_H
va_start(ap, s);
#else
va_start(ap);
#endif
snprintf(fmt, sizeof(fmt), "%s:%d: \"%s\" %s\n",
incstack[incstackp].path, incstack[incstackp].lineno,
yytext, s);
plogv(LLV_WARNING, LOCATION, NULL, fmt, ap);
va_end(ap);
}
int
yycf_switch_buffer(path)
char *path;
{
char* filepath = NULL;
/* got the include file name */
if (incstackp >= MAX_INCLUDE_DEPTH) {
plog(LLV_ERROR, LOCATION, NULL,
"Includes nested too deeply");
return -1;
}
if (glob(path, GLOB_TILDE, NULL, &incstack[incstackp].matches) != 0 ||
incstack[incstackp].matches.gl_pathc == 0)
{
plog(LLV_DEBUG, LOCATION, NULL,
"glob found no matches for path\n");
return 0;
}
incstack[incstackp].matchon = 0;
incstack[incstackp].prevstate = YY_CURRENT_BUFFER;
nextmatch:
if (incstack[incstackp].matchon >= incstack[incstackp].matches.gl_pathc) return -1;
filepath = incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
incstack[incstackp].matchon++;
incstackp++;
if (yycf_set_buffer(filepath) != 0)
{
incstackp--;
goto nextmatch;
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
BEGIN(S_INI);
return 0;
}
int
yycf_set_buffer(path)
char *path;
{
yyin = fopen(path, "r");
if (yyin == NULL) {
fprintf(stderr, "failed to open file %s (%s)\n",
path, strerror(errno));
plog(LLV_ERROR, LOCATION, NULL,
"failed to open file %s (%s)\n",
path, strerror(errno));
return -1;
}
/* initialize */
incstack[incstackp].fp = yyin;
incstack[incstackp].path = strdup(path);
incstack[incstackp].lineno = 1;
plog(LLV_DEBUG, LOCATION, NULL,
"reading config file %s\n",
path, 0);
return 0;
}
void
yycf_init_buffer()
{
int i;
for (i = 0; i < MAX_INCLUDE_DEPTH; i++)
memset(&incstack[i], 0, sizeof(incstack[i]));
incstackp = 0;
}
void
yycf_clean_buffer()
{
int i;
for (i = 0; i < MAX_INCLUDE_DEPTH; i++) {
if (incstack[i].path != NULL) {
if (incstack[i].fp >= 0)
fclose(incstack[i].fp);
racoon_free(incstack[i].path);
incstack[i].path = NULL;
}
}
}