diff options
Diffstat (limited to 'crypto/conf/conf_api.c')
| -rw-r--r-- | crypto/conf/conf_api.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/crypto/conf/conf_api.c b/crypto/conf/conf_api.c new file mode 100644 index 000000000000..0032baa7119b --- /dev/null +++ b/crypto/conf/conf_api.c @@ -0,0 +1,308 @@ +/* conf_api.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.] + */ + +/* Part of the code in here was originally in conf.c, which is now removed */ + +#ifndef CONF_DEBUG +# undef NDEBUG /* avoid conflicting definitions */ +# define NDEBUG +#endif + +#include <assert.h> +#include <string.h> +#include <openssl/conf.h> +#include <openssl/conf_api.h> +#include "e_os.h" + +static void value_free_hash(CONF_VALUE *a, LHASH *conf); +static void value_free_stack(CONF_VALUE *a,LHASH *conf); +static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE *, LHASH *) +static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_stack, CONF_VALUE *, LHASH *) +/* We don't use function pointer casting or wrapper functions - but cast each + * callback parameter inside the callback functions. */ +/* static unsigned long hash(CONF_VALUE *v); */ +static unsigned long hash(const void *v_void); +/* static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b); */ +static int cmp_conf(const void *a_void,const void *b_void); + +/* Up until OpenSSL 0.9.5a, this was get_section */ +CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section) + { + CONF_VALUE *v,vv; + + if ((conf == NULL) || (section == NULL)) return(NULL); + vv.name=NULL; + vv.section=(char *)section; + v=(CONF_VALUE *)lh_retrieve(conf->data,&vv); + return(v); + } + +/* Up until OpenSSL 0.9.5a, this was CONF_get_section */ +STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf, + const char *section) + { + CONF_VALUE *v; + + v=_CONF_get_section(conf,section); + if (v != NULL) + return((STACK_OF(CONF_VALUE) *)v->value); + else + return(NULL); + } + +int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value) + { + CONF_VALUE *v = NULL; + STACK_OF(CONF_VALUE) *ts; + + ts = (STACK_OF(CONF_VALUE) *)section->value; + + value->section=section->section; + if (!sk_CONF_VALUE_push(ts,value)) + { + return 0; + } + + v = (CONF_VALUE *)lh_insert(conf->data, value); + if (v != NULL) + { + sk_CONF_VALUE_delete_ptr(ts,v); + OPENSSL_free(v->name); + OPENSSL_free(v->value); + OPENSSL_free(v); + } + return 1; + } + +char *_CONF_get_string(const CONF *conf, const char *section, const char *name) + { + CONF_VALUE *v,vv; + char *p; + + if (name == NULL) return(NULL); + if (conf != NULL) + { + if (section != NULL) + { + vv.name=(char *)name; + vv.section=(char *)section; + v=(CONF_VALUE *)lh_retrieve(conf->data,&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=(char *)name; + v=(CONF_VALUE *)lh_retrieve(conf->data,&vv); + if (v != NULL) + return(v->value); + else + return(NULL); + } + else + return(Getenv(name)); + } + +#if 0 /* There's no way to provide error checking with this function, so + force implementors of the higher levels to get a string and read + the number themselves. */ +long _CONF_get_number(CONF *conf, char *section, char *name) + { + char *str; + long ret=0; + + str=_CONF_get_string(conf,section,name); + if (str == NULL) return(0); + for (;;) + { + if (conf->meth->is_number(conf, *str)) + ret=ret*10+conf->meth->to_int(conf, *str); + else + return(ret); + str++; + } + } +#endif + +int _CONF_new_data(CONF *conf) + { + if (conf == NULL) + { + return 0; + } + if (conf->data == NULL) + if ((conf->data = lh_new(hash, cmp_conf)) == NULL) + { + return 0; + } + return 1; + } + +void _CONF_free_data(CONF *conf) + { + if (conf == NULL || conf->data == NULL) return; + + conf->data->down_load=0; /* evil thing to make sure the 'OPENSSL_free()' + * works as expected */ + lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_hash), + conf->data); + + /* We now have only 'section' entries in the hash table. + * Due to problems with */ + + lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_stack), + conf->data); + lh_free(conf->data); + } + +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); + OPENSSL_free(vv->value); + OPENSSL_free(vv->name); + OPENSSL_free(vv); + } + if (sk != NULL) sk_free(sk); + OPENSSL_free(a->section); + OPENSSL_free(a); + } + +/* static unsigned long hash(CONF_VALUE *v) */ +static unsigned long hash(const void *v_void) + { + CONF_VALUE *v = (CONF_VALUE *)v_void; + return((lh_strhash(v->section)<<2)^lh_strhash(v->name)); + } + +/* static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b) */ +static int cmp_conf(const void *a_void,const void *b_void) + { + int i; + CONF_VALUE *a = (CONF_VALUE *)a_void; + CONF_VALUE *b = (CONF_VALUE *)b_void; + + 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); + } + +/* Up until OpenSSL 0.9.5a, this was new_section */ +CONF_VALUE *_CONF_new_section(CONF *conf, const 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 *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL) + goto err; + i=strlen(section)+1; + if ((v->section=(char *)OPENSSL_malloc(i)) == NULL) + goto err; + + memcpy(v->section,section,i); + v->name=NULL; + v->value=(char *)sk; + + vv=(CONF_VALUE *)lh_insert(conf->data,v); + assert(vv == NULL); + ok=1; +err: + if (!ok) + { + if (sk != NULL) sk_free(sk); + if (v != NULL) OPENSSL_free(v); + v=NULL; + } + return(v); + } + +IMPLEMENT_STACK_OF(CONF_VALUE) |