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Diffstat (limited to 'openssl/crypto/err/err.c')
| -rw-r--r-- | openssl/crypto/err/err.c | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/openssl/crypto/err/err.c b/openssl/crypto/err/err.c new file mode 100644 index 000000000..292404a2f --- /dev/null +++ b/openssl/crypto/err/err.c @@ -0,0 +1,416 @@ +/* crypto/err/err.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.] + */ +/* ==================================================================== + * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include <stdarg.h> +#include <string.h> +#include "cryptlib.h" +#include <openssl/lhash.h> +#include <openssl/crypto.h> +#include <openssl/buffer.h> +#include <openssl/bio.h> +#include <openssl/err.h> + +static unsigned long get_error_values(int inc,int top, + const char **file,int *line, + const char **data,int *flags); + +#define err_clear_data(p,i) \ + do { \ + if (((p)->err_data[i] != NULL) && \ + (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ + { \ + OPENSSL_free((p)->err_data[i]); \ + (p)->err_data[i]=NULL; \ + } \ + (p)->err_data_flags[i]=0; \ + } while(0) + +#define err_clear(p,i) \ + do { \ + (p)->err_flags[i]=0; \ + (p)->err_buffer[i]=0; \ + err_clear_data(p,i); \ + (p)->err_file[i]=NULL; \ + (p)->err_line[i]= -1; \ + } while(0) + +void ERR_put_error(int lib, int func, int reason, const char *file, + int line) + { + ERR_STATE *es; + +#ifdef _OSD_POSIX + /* In the BS2000-OSD POSIX subsystem, the compiler generates + * path names in the form "*POSIX(/etc/passwd)". + * This dirty hack strips them to something sensible. + * @@@ We shouldn't modify a const string, though. + */ + if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { + char *end; + + /* Skip the "*POSIX(" prefix */ + file += sizeof("*POSIX(")-1; + end = &file[strlen(file)-1]; + if (*end == ')') + *end = '\0'; + /* Optional: use the basename of the path only. */ + if ((end = strrchr(file, '/')) != NULL) + file = &end[1]; + } +#endif + es=ERR_get_state(); + + es->top=(es->top+1)%ERR_NUM_ERRORS; + if (es->top == es->bottom) + es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; + es->err_flags[es->top]=0; + es->err_buffer[es->top]=ERR_PACK(lib,func,reason); + es->err_file[es->top]=file; + es->err_line[es->top]=line; + err_clear_data(es,es->top); + } + +void ERR_clear_error(void) + { + int i; + ERR_STATE *es; + + es=ERR_get_state(); + + for (i=0; i<ERR_NUM_ERRORS; i++) + { + err_clear(es,i); + } + es->top=es->bottom=0; + } + + +unsigned long ERR_get_error(void) + { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } + +unsigned long ERR_get_error_line(const char **file, + int *line) + { return(get_error_values(1,0,file,line,NULL,NULL)); } + +unsigned long ERR_get_error_line_data(const char **file, int *line, + const char **data, int *flags) + { return(get_error_values(1,0,file,line,data,flags)); } + + +unsigned long ERR_peek_error(void) + { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } + +unsigned long ERR_peek_error_line(const char **file, int *line) + { return(get_error_values(0,0,file,line,NULL,NULL)); } + +unsigned long ERR_peek_error_line_data(const char **file, int *line, + const char **data, int *flags) + { return(get_error_values(0,0,file,line,data,flags)); } + + +unsigned long ERR_peek_last_error(void) + { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } + +unsigned long ERR_peek_last_error_line(const char **file, int *line) + { return(get_error_values(0,1,file,line,NULL,NULL)); } + +unsigned long ERR_peek_last_error_line_data(const char **file, int *line, + const char **data, int *flags) + { return(get_error_values(0,1,file,line,data,flags)); } + + +static unsigned long get_error_values(int inc, int top, const char **file, int *line, + const char **data, int *flags) + { + int i=0; + ERR_STATE *es; + unsigned long ret; + + es=ERR_get_state(); + + if (inc && top) + { + if (file) *file = ""; + if (line) *line = 0; + if (data) *data = ""; + if (flags) *flags = 0; + + return ERR_R_INTERNAL_ERROR; + } + + if (es->bottom == es->top) return 0; + if (top) + i=es->top; /* last error */ + else + i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ + + ret=es->err_buffer[i]; + if (inc) + { + es->bottom=i; + es->err_buffer[i]=0; + } + + if ((file != NULL) && (line != NULL)) + { + if (es->err_file[i] == NULL) + { + *file="NA"; + if (line != NULL) *line=0; + } + else + { + *file=es->err_file[i]; + if (line != NULL) *line=es->err_line[i]; + } + } + + if (data == NULL) + { + if (inc) + { + err_clear_data(es, i); + } + } + else + { + if (es->err_data[i] == NULL) + { + *data=""; + if (flags != NULL) *flags=0; + } + else + { + *data=es->err_data[i]; + if (flags != NULL) *flags=es->err_data_flags[i]; + } + } + return ret; + } + +void ERR_set_error_data(char *data, int flags) + { + ERR_STATE *es; + int i; + + es=ERR_get_state(); + + i=es->top; + if (i == 0) + i=ERR_NUM_ERRORS-1; + + err_clear_data(es,i); + es->err_data[i]=data; + es->err_data_flags[i]=flags; + } + +void ERR_add_error_data(int num, ...) + { + va_list args; + int i,n,s; + char *str,*p,*a; + + s=80; + str=OPENSSL_malloc(s+1); + if (str == NULL) return; + str[0]='\0'; + + va_start(args, num); + n=0; + for (i=0; i<num; i++) + { + a=va_arg(args, char*); + /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ + if (a != NULL) + { + n+=strlen(a); + if (n > s) + { + s=n+20; + p=OPENSSL_realloc(str,s+1); + if (p == NULL) + { + OPENSSL_free(str); + goto err; + } + else + str=p; + } + BUF_strlcat(str,a,(size_t)s+1); + } + } + ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); + +err: + va_end(args); + } + +int ERR_set_mark(void) + { + ERR_STATE *es; + + es=ERR_get_state(); + + if (es->bottom == es->top) return 0; + es->err_flags[es->top]|=ERR_FLAG_MARK; + return 1; + } + +int ERR_pop_to_mark(void) + { + ERR_STATE *es; + + es=ERR_get_state(); + + while(es->bottom != es->top + && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) + { + err_clear(es,es->top); + es->top-=1; + if (es->top == -1) es->top=ERR_NUM_ERRORS-1; + } + + if (es->bottom == es->top) return 0; + es->err_flags[es->top]&=~ERR_FLAG_MARK; + return 1; + } + +#ifdef OPENSSL_FIPS + +static ERR_STATE *fget_state(void) + { + static ERR_STATE fstate; + return &fstate; + } + +ERR_STATE *(*get_state_func)(void) = fget_state; +void (*remove_state_func)(unsigned long pid); + +ERR_STATE *ERR_get_state(void) + { + return get_state_func(); + } + +void int_ERR_set_state_func(ERR_STATE *(*get_func)(void), + void (*remove_func)(unsigned long pid)) + { + get_state_func = get_func; + remove_state_func = remove_func; + } + +void ERR_remove_state(unsigned long pid) + { + if (remove_state_func) + remove_state_func(pid); + } + +#endif |