diff options
Diffstat (limited to 'openssl/crypto/txt_db/txt_db.c')
| -rw-r--r-- | openssl/crypto/txt_db/txt_db.c | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/openssl/crypto/txt_db/txt_db.c b/openssl/crypto/txt_db/txt_db.c deleted file mode 100644 index 6f2ce3b5..00000000 --- a/openssl/crypto/txt_db/txt_db.c +++ /dev/null @@ -1,388 +0,0 @@ -/* crypto/txt_db/txt_db.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "cryptlib.h" -#include <openssl/buffer.h> -#include <openssl/txt_db.h> - -#undef BUFSIZE -#define BUFSIZE 512 - -const char TXT_DB_version[]="TXT_DB" OPENSSL_VERSION_PTEXT; - -TXT_DB *TXT_DB_read(BIO *in, int num) - { - TXT_DB *ret=NULL; - int er=1; - int esc=0; - long ln=0; - int i,add,n; - int size=BUFSIZE; - int offset=0; - char *p,*f; - OPENSSL_STRING *pp; - BUF_MEM *buf=NULL; - - if ((buf=BUF_MEM_new()) == NULL) goto err; - if (!BUF_MEM_grow(buf,size)) goto err; - - if ((ret=OPENSSL_malloc(sizeof(TXT_DB))) == NULL) - goto err; - ret->num_fields=num; - ret->index=NULL; - ret->qual=NULL; - if ((ret->data=sk_OPENSSL_PSTRING_new_null()) == NULL) - goto err; - if ((ret->index=OPENSSL_malloc(sizeof(*ret->index)*num)) == NULL) - goto err; - if ((ret->qual=OPENSSL_malloc(sizeof(*(ret->qual))*num)) == NULL) - goto err; - for (i=0; i<num; i++) - { - ret->index[i]=NULL; - ret->qual[i]=NULL; - } - - add=(num+1)*sizeof(char *); - buf->data[size-1]='\0'; - offset=0; - for (;;) - { - if (offset != 0) - { - size+=BUFSIZE; - if (!BUF_MEM_grow_clean(buf,size)) goto err; - } - buf->data[offset]='\0'; - BIO_gets(in,&(buf->data[offset]),size-offset); - ln++; - if (buf->data[offset] == '\0') break; - if ((offset == 0) && (buf->data[0] == '#')) continue; - i=strlen(&(buf->data[offset])); - offset+=i; - if (buf->data[offset-1] != '\n') - continue; - else - { - buf->data[offset-1]='\0'; /* blat the '\n' */ - if (!(p=OPENSSL_malloc(add+offset))) goto err; - offset=0; - } - pp=(char **)p; - p+=add; - n=0; - pp[n++]=p; - i=0; - f=buf->data; - - esc=0; - for (;;) - { - if (*f == '\0') break; - if (*f == '\t') - { - if (esc) - p--; - else - { - *(p++)='\0'; - f++; - if (n >= num) break; - pp[n++]=p; - continue; - } - } - esc=(*f == '\\'); - *(p++)= *(f++); - } - *(p++)='\0'; - if ((n != num) || (*f != '\0')) - { -#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) /* temporary fix :-( */ - fprintf(stderr,"wrong number of fields on line %ld (looking for field %d, got %d, '%s' left)\n",ln,num,n,f); -#endif - er=2; - goto err; - } - pp[n]=p; - if (!sk_OPENSSL_PSTRING_push(ret->data,pp)) - { -#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) /* temporary fix :-( */ - fprintf(stderr,"failure in sk_push\n"); -#endif - er=2; - goto err; - } - } - er=0; -err: - BUF_MEM_free(buf); - if (er) - { -#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) - if (er == 1) fprintf(stderr,"OPENSSL_malloc failure\n"); -#endif - if (ret != NULL) - { - if (ret->data != NULL) sk_OPENSSL_PSTRING_free(ret->data); - if (ret->index != NULL) OPENSSL_free(ret->index); - if (ret->qual != NULL) OPENSSL_free(ret->qual); - if (ret != NULL) OPENSSL_free(ret); - } - return(NULL); - } - else - return(ret); - } - -OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx, OPENSSL_STRING *value) - { - OPENSSL_STRING *ret; - LHASH_OF(OPENSSL_STRING) *lh; - - if (idx >= db->num_fields) - { - db->error=DB_ERROR_INDEX_OUT_OF_RANGE; - return(NULL); - } - lh=db->index[idx]; - if (lh == NULL) - { - db->error=DB_ERROR_NO_INDEX; - return(NULL); - } - ret=lh_OPENSSL_STRING_retrieve(lh,value); - db->error=DB_ERROR_OK; - return(ret); - } - -int TXT_DB_create_index(TXT_DB *db, int field, int (*qual)(OPENSSL_STRING *), - LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp) - { - LHASH_OF(OPENSSL_STRING) *idx; - OPENSSL_STRING *r; - int i,n; - - if (field >= db->num_fields) - { - db->error=DB_ERROR_INDEX_OUT_OF_RANGE; - return(0); - } - /* FIXME: we lose type checking at this point */ - if ((idx=(LHASH_OF(OPENSSL_STRING) *)lh_new(hash,cmp)) == NULL) - { - db->error=DB_ERROR_MALLOC; - return(0); - } - n=sk_OPENSSL_PSTRING_num(db->data); - for (i=0; i<n; i++) - { - r=sk_OPENSSL_PSTRING_value(db->data,i); - if ((qual != NULL) && (qual(r) == 0)) continue; - if ((r=lh_OPENSSL_STRING_insert(idx,r)) != NULL) - { - db->error=DB_ERROR_INDEX_CLASH; - db->arg1=sk_OPENSSL_PSTRING_find(db->data,r); - db->arg2=i; - lh_OPENSSL_STRING_free(idx); - return(0); - } - } - if (db->index[field] != NULL) lh_OPENSSL_STRING_free(db->index[field]); - db->index[field]=idx; - db->qual[field]=qual; - return(1); - } - -long TXT_DB_write(BIO *out, TXT_DB *db) - { - long i,j,n,nn,l,tot=0; - char *p,**pp,*f; - BUF_MEM *buf=NULL; - long ret= -1; - - if ((buf=BUF_MEM_new()) == NULL) - goto err; - n=sk_OPENSSL_PSTRING_num(db->data); - nn=db->num_fields; - for (i=0; i<n; i++) - { - pp=sk_OPENSSL_PSTRING_value(db->data,i); - - l=0; - for (j=0; j<nn; j++) - { - if (pp[j] != NULL) - l+=strlen(pp[j]); - } - if (!BUF_MEM_grow_clean(buf,(int)(l*2+nn))) goto err; - - p=buf->data; - for (j=0; j<nn; j++) - { - f=pp[j]; - if (f != NULL) - for (;;) - { - if (*f == '\0') break; - if (*f == '\t') *(p++)='\\'; - *(p++)= *(f++); - } - *(p++)='\t'; - } - p[-1]='\n'; - j=p-buf->data; - if (BIO_write(out,buf->data,(int)j) != j) - goto err; - tot+=j; - } - ret=tot; -err: - if (buf != NULL) BUF_MEM_free(buf); - return(ret); - } - -int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *row) - { - int i; - OPENSSL_STRING *r; - - for (i=0; i<db->num_fields; i++) - { - if (db->index[i] != NULL) - { - if ((db->qual[i] != NULL) && - (db->qual[i](row) == 0)) continue; - r=lh_OPENSSL_STRING_retrieve(db->index[i],row); - if (r != NULL) - { - db->error=DB_ERROR_INDEX_CLASH; - db->arg1=i; - db->arg_row=r; - goto err; - } - } - } - /* We have passed the index checks, now just append and insert */ - if (!sk_OPENSSL_PSTRING_push(db->data,row)) - { - db->error=DB_ERROR_MALLOC; - goto err; - } - - for (i=0; i<db->num_fields; i++) - { - if (db->index[i] != NULL) - { - if ((db->qual[i] != NULL) && - (db->qual[i](row) == 0)) continue; - (void)lh_OPENSSL_STRING_insert(db->index[i],row); - } - } - return(1); -err: - return(0); - } - -void TXT_DB_free(TXT_DB *db) - { - int i,n; - char **p,*max; - - if(db == NULL) - return; - - if (db->index != NULL) - { - for (i=db->num_fields-1; i>=0; i--) - if (db->index[i] != NULL) lh_OPENSSL_STRING_free(db->index[i]); - OPENSSL_free(db->index); - } - if (db->qual != NULL) - OPENSSL_free(db->qual); - if (db->data != NULL) - { - for (i=sk_OPENSSL_PSTRING_num(db->data)-1; i>=0; i--) - { - /* check if any 'fields' have been allocated - * from outside of the initial block */ - p=sk_OPENSSL_PSTRING_value(db->data,i); - max=p[db->num_fields]; /* last address */ - if (max == NULL) /* new row */ - { - for (n=0; n<db->num_fields; n++) - if (p[n] != NULL) OPENSSL_free(p[n]); - } - else - { - for (n=0; n<db->num_fields; n++) - { - if (((p[n] < (char *)p) || (p[n] > max)) - && (p[n] != NULL)) - OPENSSL_free(p[n]); - } - } - OPENSSL_free(sk_OPENSSL_PSTRING_value(db->data,i)); - } - sk_OPENSSL_PSTRING_free(db->data); - } - OPENSSL_free(db); - } |