This file was removed long ago. Why it's still in this branch is a
mystery to me.
This commit is contained in:
Richard Levitte
parent
dca142029c
commit
2341e303da
@ -1,730 +0,0 @@
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/* crypto/conf/conf.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <errno.h>
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#include "cryptlib.h"
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#include <openssl/stack.h>
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#include <openssl/lhash.h>
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#include <openssl/conf.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include "conf_lcl.h"
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static void value_free_hash(CONF_VALUE *a, LHASH *conf);
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static void value_free_stack(CONF_VALUE *a,LHASH *conf);
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static unsigned long hash(CONF_VALUE *v);
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static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b);
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static char *eat_ws(char *p);
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static char *eat_alpha_numeric(char *p);
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static void clear_comments(char *p);
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static int str_copy(LHASH *conf,char *section,char **to, char *from);
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static char *scan_quote(char *p);
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static CONF_VALUE *new_section(LHASH *conf,char *section);
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static CONF_VALUE *get_section(LHASH *conf,char *section);
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#define scan_esc(p) ((((p)[1] == '\0')?(p++):(p+=2)),p)
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const char *CONF_version="CONF" OPENSSL_VERSION_PTEXT;
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LHASH *CONF_load(LHASH *h, const char *file, long *line)
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{
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LHASH *ltmp;
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BIO *in=NULL;
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#ifdef VMS
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in=BIO_new_file(file, "r");
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#else
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in=BIO_new_file(file, "rb");
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#endif
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if (in == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
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return NULL;
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}
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ltmp = CONF_load_bio(h, in, line);
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BIO_free(in);
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return ltmp;
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}
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#ifndef NO_FP_API
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LHASH *CONF_load_fp(LHASH *h, FILE *in, long *line)
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{
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BIO *btmp;
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LHASH *ltmp;
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if(!(btmp = BIO_new_fp(in, BIO_NOCLOSE))) {
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CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
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return NULL;
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}
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ltmp = CONF_load_bio(h, btmp, line);
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BIO_free(btmp);
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return ltmp;
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}
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#endif
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LHASH *CONF_load_bio(LHASH *h, BIO *in, long *line)
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{
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LHASH *ret=NULL;
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#define BUFSIZE 512
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char btmp[16];
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int bufnum=0,i,ii;
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BUF_MEM *buff=NULL;
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char *s,*p,*end;
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int again,n;
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long eline=0;
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CONF_VALUE *v=NULL,*vv,*tv;
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CONF_VALUE *sv=NULL;
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char *section=NULL,*buf;
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STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
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char *start,*psection,*pname;
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if ((buff=BUF_MEM_new()) == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
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goto err;
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}
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section=(char *)Malloc(10);
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if (section == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
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goto err;
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}
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strcpy(section,"default");
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if (h == NULL)
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{
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if ((ret=lh_new(hash,cmp_conf)) == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
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goto err;
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}
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}
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else
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ret=h;
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sv=new_section(ret,section);
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if (sv == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
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goto err;
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}
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section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
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bufnum=0;
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for (;;)
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{
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again=0;
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if (!BUF_MEM_grow(buff,bufnum+BUFSIZE))
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);
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goto err;
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}
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p= &(buff->data[bufnum]);
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*p='\0';
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BIO_gets(in, p, BUFSIZE-1);
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p[BUFSIZE-1]='\0';
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ii=i=strlen(p);
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if (i == 0) break;
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while (i > 0)
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{
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if ((p[i-1] != '\r') && (p[i-1] != '\n'))
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break;
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else
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i--;
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}
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/* we removed some trailing stuff so there is a new
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* line on the end. */
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if (i == ii)
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again=1; /* long line */
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else
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{
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p[i]='\0';
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eline++; /* another input line */
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}
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/* we now have a line with trailing \r\n removed */
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/* i is the number of bytes */
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bufnum+=i;
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v=NULL;
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/* check for line continuation */
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if (bufnum >= 1)
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{
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/* If we have bytes and the last char '\\' and
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* second last char is not '\\' */
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p= &(buff->data[bufnum-1]);
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if ( IS_ESC(p[0]) &&
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((bufnum <= 1) || !IS_ESC(p[-1])))
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{
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bufnum--;
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again=1;
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}
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}
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if (again) continue;
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bufnum=0;
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buf=buff->data;
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clear_comments(buf);
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n=strlen(buf);
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s=eat_ws(buf);
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if (IS_EOF(*s)) continue; /* blank line */
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if (*s == '[')
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{
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char *ss;
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s++;
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start=eat_ws(s);
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ss=start;
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again:
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end=eat_alpha_numeric(ss);
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p=eat_ws(end);
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if (*p != ']')
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{
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if (*p != '\0')
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{
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ss=p;
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goto again;
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}
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CONFerr(CONF_F_CONF_LOAD_BIO,
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CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
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goto err;
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}
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*end='\0';
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if (!str_copy(ret,NULL,§ion,start)) goto err;
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if ((sv=get_section(ret,section)) == NULL)
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sv=new_section(ret,section);
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if (sv == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
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goto err;
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}
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section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
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continue;
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}
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else
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{
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pname=s;
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psection=NULL;
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end=eat_alpha_numeric(s);
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if ((end[0] == ':') && (end[1] == ':'))
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{
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*end='\0';
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end+=2;
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psection=pname;
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pname=end;
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end=eat_alpha_numeric(end);
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}
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p=eat_ws(end);
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if (*p != '=')
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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CONF_R_MISSING_EQUAL_SIGN);
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goto err;
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}
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*end='\0';
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p++;
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start=eat_ws(p);
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while (!IS_EOF(*p))
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p++;
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p--;
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while ((p != start) && (IS_WS(*p)))
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p--;
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p++;
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*p='\0';
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if (!(v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))))
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (psection == NULL) psection=section;
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v->name=(char *)Malloc(strlen(pname)+1);
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v->value=NULL;
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if (v->name == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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ERR_R_MALLOC_FAILURE);
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goto err;
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}
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strcpy(v->name,pname);
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if (!str_copy(ret,psection,&(v->value),start)) goto err;
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if (strcmp(psection,section) != 0)
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{
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if ((tv=get_section(ret,psection))
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== NULL)
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tv=new_section(ret,psection);
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if (tv == NULL)
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{
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CONFerr(CONF_F_CONF_LOAD_BIO,
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CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
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goto err;
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}
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ts=(STACK_OF(CONF_VALUE) *)tv->value;
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}
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else
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{
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tv=sv;
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ts=section_sk;
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}
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v->section=tv->section;
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if (!sk_CONF_VALUE_push(ts,v))
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||||
{
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||||
CONFerr(CONF_F_CONF_LOAD_BIO,
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ERR_R_MALLOC_FAILURE);
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goto err;
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||||
}
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vv=(CONF_VALUE *)lh_insert(ret,v);
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if (vv != NULL)
|
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{
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sk_CONF_VALUE_delete_ptr(ts,vv);
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||||
Free(vv->name);
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||||
Free(vv->value);
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||||
Free(vv);
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||||
}
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v=NULL;
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||||
}
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||||
}
|
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if (buff != NULL) BUF_MEM_free(buff);
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if (section != NULL) Free(section);
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||||
return(ret);
|
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err:
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||||
if (buff != NULL) BUF_MEM_free(buff);
|
||||
if (section != NULL) Free(section);
|
||||
if (line != NULL) *line=eline;
|
||||
sprintf(btmp,"%ld",eline);
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ERR_add_error_data(2,"line ",btmp);
|
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if ((h != ret) && (ret != NULL)) CONF_free(ret);
|
||||
if (v != NULL)
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{
|
||||
if (v->name != NULL) Free(v->name);
|
||||
if (v->value != NULL) Free(v->value);
|
||||
if (v != NULL) Free(v);
|
||||
}
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
char *CONF_get_string(LHASH *conf, char *section, char *name)
|
||||
{
|
||||
CONF_VALUE *v,vv;
|
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char *p;
|
||||
|
||||
if (name == NULL) return(NULL);
|
||||
if (conf != NULL)
|
||||
{
|
||||
if (section != NULL)
|
||||
{
|
||||
vv.name=name;
|
||||
vv.section=section;
|
||||
v=(CONF_VALUE *)lh_retrieve(conf,&vv);
|
||||
if (v != NULL) return(v->value);
|
||||
if (strcmp(section,"ENV") == 0)
|
||||
{
|
||||
p=Getenv(name);
|
||||
if (p != NULL) return(p);
|
||||
}
|
||||
}
|
||||
vv.section="default";
|
||||
vv.name=name;
|
||||
v=(CONF_VALUE *)lh_retrieve(conf,&vv);
|
||||
if (v != NULL)
|
||||
return(v->value);
|
||||
else
|
||||
return(NULL);
|
||||
}
|
||||
else
|
||||
return(Getenv(name));
|
||||
}
|
||||
|
||||
static CONF_VALUE *get_section(LHASH *conf, char *section)
|
||||
{
|
||||
CONF_VALUE *v,vv;
|
||||
|
||||
if ((conf == NULL) || (section == NULL)) return(NULL);
|
||||
vv.name=NULL;
|
||||
vv.section=section;
|
||||
v=(CONF_VALUE *)lh_retrieve(conf,&vv);
|
||||
return(v);
|
||||
}
|
||||
|
||||
STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf, char *section)
|
||||
{
|
||||
CONF_VALUE *v;
|
||||
|
||||
v=get_section(conf,section);
|
||||
if (v != NULL)
|
||||
return((STACK_OF(CONF_VALUE) *)v->value);
|
||||
else
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
long CONF_get_number(LHASH *conf, char *section, char *name)
|
||||
{
|
||||
char *str;
|
||||
long ret=0;
|
||||
|
||||
str=CONF_get_string(conf,section,name);
|
||||
if (str == NULL) return(0);
|
||||
for (;;)
|
||||
{
|
||||
if (IS_NUMER(*str))
|
||||
ret=ret*10+(*str -'0');
|
||||
else
|
||||
return(ret);
|
||||
str++;
|
||||
}
|
||||
}
|
||||
|
||||
void CONF_free(LHASH *conf)
|
||||
{
|
||||
if (conf == NULL) return;
|
||||
|
||||
conf->down_load=0; /* evil thing to make sure the 'Free()'
|
||||
* works as expected */
|
||||
lh_doall_arg(conf,(void (*)())value_free_hash,conf);
|
||||
|
||||
/* We now have only 'section' entries in the hash table.
|
||||
* Due to problems with */
|
||||
|
||||
lh_doall_arg(conf,(void (*)())value_free_stack,conf);
|
||||
lh_free(conf);
|
||||
}
|
||||
|
||||
static void value_free_hash(CONF_VALUE *a, LHASH *conf)
|
||||
{
|
||||
if (a->name != NULL)
|
||||
{
|
||||
a=(CONF_VALUE *)lh_delete(conf,a);
|
||||
}
|
||||
}
|
||||
|
||||
static void value_free_stack(CONF_VALUE *a, LHASH *conf)
|
||||
{
|
||||
CONF_VALUE *vv;
|
||||
STACK *sk;
|
||||
int i;
|
||||
|
||||
if (a->name != NULL) return;
|
||||
|
||||
sk=(STACK *)a->value;
|
||||
for (i=sk_num(sk)-1; i>=0; i--)
|
||||
{
|
||||
vv=(CONF_VALUE *)sk_value(sk,i);
|
||||
Free(vv->value);
|
||||
Free(vv->name);
|
||||
Free(vv);
|
||||
}
|
||||
if (sk != NULL) sk_free(sk);
|
||||
Free(a->section);
|
||||
Free(a);
|
||||
}
|
||||
|
||||
static void clear_comments(char *p)
|
||||
{
|
||||
char *to;
|
||||
|
||||
to=p;
|
||||
for (;;)
|
||||
{
|
||||
if (IS_COMMENT(*p))
|
||||
{
|
||||
*p='\0';
|
||||
return;
|
||||
}
|
||||
if (IS_QUOTE(*p))
|
||||
{
|
||||
p=scan_quote(p);
|
||||
continue;
|
||||
}
|
||||
if (IS_ESC(*p))
|
||||
{
|
||||
p=scan_esc(p);
|
||||
continue;
|
||||
}
|
||||
if (IS_EOF(*p))
|
||||
return;
|
||||
else
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
static int str_copy(LHASH *conf, char *section, char **pto, char *from)
|
||||
{
|
||||
int q,r,rr=0,to=0,len=0;
|
||||
char *s,*e,*rp,*p,*rrp,*np,*cp,v;
|
||||
BUF_MEM *buf;
|
||||
|
||||
if ((buf=BUF_MEM_new()) == NULL) return(0);
|
||||
|
||||
len=strlen(from)+1;
|
||||
if (!BUF_MEM_grow(buf,len)) goto err;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
if (IS_QUOTE(*from))
|
||||
{
|
||||
q= *from;
|
||||
from++;
|
||||
while ((*from != '\0') && (*from != q))
|
||||
{
|
||||
if (*from == '\\')
|
||||
{
|
||||
from++;
|
||||
if (*from == '\0') break;
|
||||
}
|
||||
buf->data[to++]= *(from++);
|
||||
}
|
||||
}
|
||||
else if (*from == '\\')
|
||||
{
|
||||
from++;
|
||||
v= *(from++);
|
||||
if (v == '\0') break;
|
||||
else if (v == 'r') v='\r';
|
||||
else if (v == 'n') v='\n';
|
||||
else if (v == 'b') v='\b';
|
||||
else if (v == 't') v='\t';
|
||||
buf->data[to++]= v;
|
||||
}
|
||||
else if (*from == '\0')
|
||||
break;
|
||||
else if (*from == '$')
|
||||
{
|
||||
/* try to expand it */
|
||||
rrp=NULL;
|
||||
s= &(from[1]);
|
||||
if (*s == '{')
|
||||
q='}';
|
||||
else if (*s == '(')
|
||||
q=')';
|
||||
else q=0;
|
||||
|
||||
if (q) s++;
|
||||
cp=section;
|
||||
e=np=s;
|
||||
while (IS_ALPHA_NUMERIC(*e))
|
||||
e++;
|
||||
if ((e[0] == ':') && (e[1] == ':'))
|
||||
{
|
||||
cp=np;
|
||||
rrp=e;
|
||||
rr= *e;
|
||||
*rrp='\0';
|
||||
e+=2;
|
||||
np=e;
|
||||
while (IS_ALPHA_NUMERIC(*e))
|
||||
e++;
|
||||
}
|
||||
r= *e;
|
||||
*e='\0';
|
||||
rp=e;
|
||||
if (q)
|
||||
{
|
||||
if (r != q)
|
||||
{
|
||||
CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE);
|
||||
goto err;
|
||||
}
|
||||
e++;
|
||||
}
|
||||
/* So at this point we have
|
||||
* ns which is the start of the name string which is
|
||||
* '\0' terminated.
|
||||
* cs which is the start of the section string which is
|
||||
* '\0' terminated.
|
||||
* e is the 'next point after'.
|
||||
* r and s are the chars replaced by the '\0'
|
||||
* rp and sp is where 'r' and 's' came from.
|
||||
*/
|
||||
p=CONF_get_string(conf,cp,np);
|
||||
if (rrp != NULL) *rrp=rr;
|
||||
*rp=r;
|
||||
if (p == NULL)
|
||||
{
|
||||
CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE);
|
||||
goto err;
|
||||
}
|
||||
BUF_MEM_grow(buf,(strlen(p)+len-(e-from)));
|
||||
while (*p)
|
||||
buf->data[to++]= *(p++);
|
||||
from=e;
|
||||
}
|
||||
else
|
||||
buf->data[to++]= *(from++);
|
||||
}
|
||||
buf->data[to]='\0';
|
||||
if (*pto != NULL) Free(*pto);
|
||||
*pto=buf->data;
|
||||
Free(buf);
|
||||
return(1);
|
||||
err:
|
||||
if (buf != NULL) BUF_MEM_free(buf);
|
||||
return(0);
|
||||
}
|
||||
|
||||
static char *eat_ws(char *p)
|
||||
{
|
||||
while (IS_WS(*p) && (!IS_EOF(*p)))
|
||||
p++;
|
||||
return(p);
|
||||
}
|
||||
|
||||
static char *eat_alpha_numeric(char *p)
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
if (IS_ESC(*p))
|
||||
{
|
||||
p=scan_esc(p);
|
||||
continue;
|
||||
}
|
||||
if (!IS_ALPHA_NUMERIC_PUNCT(*p))
|
||||
return(p);
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
static unsigned long hash(CONF_VALUE *v)
|
||||
{
|
||||
return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
|
||||
}
|
||||
|
||||
static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (a->section != b->section)
|
||||
{
|
||||
i=strcmp(a->section,b->section);
|
||||
if (i) return(i);
|
||||
}
|
||||
|
||||
if ((a->name != NULL) && (b->name != NULL))
|
||||
{
|
||||
i=strcmp(a->name,b->name);
|
||||
return(i);
|
||||
}
|
||||
else if (a->name == b->name)
|
||||
return(0);
|
||||
else
|
||||
return((a->name == NULL)?-1:1);
|
||||
}
|
||||
|
||||
static char *scan_quote(char *p)
|
||||
{
|
||||
int q= *p;
|
||||
|
||||
p++;
|
||||
while (!(IS_EOF(*p)) && (*p != q))
|
||||
{
|
||||
if (IS_ESC(*p))
|
||||
{
|
||||
p++;
|
||||
if (IS_EOF(*p)) return(p);
|
||||
}
|
||||
p++;
|
||||
}
|
||||
if (*p == q) p++;
|
||||
return(p);
|
||||
}
|
||||
|
||||
static CONF_VALUE *new_section(LHASH *conf, char *section)
|
||||
{
|
||||
STACK *sk=NULL;
|
||||
int ok=0,i;
|
||||
CONF_VALUE *v=NULL,*vv;
|
||||
|
||||
if ((sk=sk_new_null()) == NULL)
|
||||
goto err;
|
||||
if ((v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))) == NULL)
|
||||
goto err;
|
||||
i=strlen(section)+1;
|
||||
if ((v->section=(char *)Malloc(i)) == NULL)
|
||||
goto err;
|
||||
|
||||
memcpy(v->section,section,i);
|
||||
v->name=NULL;
|
||||
v->value=(char *)sk;
|
||||
|
||||
vv=(CONF_VALUE *)lh_insert(conf,v);
|
||||
if (vv != NULL)
|
||||
{
|
||||
#if !defined(NO_STDIO) && !defined(WIN16)
|
||||
fprintf(stderr,"internal fault\n");
|
||||
#endif
|
||||
abort();
|
||||
}
|
||||
ok=1;
|
||||
err:
|
||||
if (!ok)
|
||||
{
|
||||
if (sk != NULL) sk_free(sk);
|
||||
if (v != NULL) Free(v);
|
||||
v=NULL;
|
||||
}
|
||||
return(v);
|
||||
}
|
||||
|
||||
IMPLEMENT_STACK_OF(CONF_VALUE)
|
||||
Loading…
x
Reference in New Issue
Block a user