417 lines
9.8 KiB
C
417 lines
9.8 KiB
C
/* apps/apps.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 <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#define NON_MAIN
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#include "apps.h"
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#undef NON_MAIN
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#ifdef WINDOWS
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# include "bss_file.c"
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#endif
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int app_init(long mesgwin);
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#ifdef undef /* never finished - probably never will be :-) */
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int args_from_file(char *file, int *argc, char **argv[])
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{
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FILE *fp;
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int num,i;
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unsigned int len;
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static char *buf=NULL;
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static char **arg=NULL;
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char *p;
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struct stat stbuf;
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if (stat(file,&stbuf) < 0) return(0);
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fp=fopen(file,"r");
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if (fp == NULL)
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return(0);
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*argc=0;
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*argv=NULL;
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len=(unsigned int)stbuf.st_size;
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if (buf != NULL) Free(buf);
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buf=(char *)Malloc(len+1);
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if (buf == NULL) return(0);
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len=fread(buf,1,len,fp);
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if (len <= 1) return(0);
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buf[len]='\0';
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i=0;
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for (p=buf; *p; p++)
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if (*p == '\n') i++;
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if (arg != NULL) Free(arg);
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arg=(char **)Malloc(sizeof(char *)*(i*2));
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*argv=arg;
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num=0;
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p=buf;
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for (;;)
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{
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if (!*p) break;
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if (*p == '#') /* comment line */
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{
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while (*p && (*p != '\n')) p++;
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continue;
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}
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/* else we have a line */
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*(arg++)=p;
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num++;
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while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
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p++;
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if (!*p) break;
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if (*p == '\n')
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{
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*(p++)='\0';
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continue;
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}
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/* else it is a tab or space */
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p++;
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while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
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p++;
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if (!*p) break;
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if (*p == '\n')
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{
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p++;
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continue;
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}
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*(arg++)=p++;
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num++;
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while (*p && (*p != '\n')) p++;
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if (!*p) break;
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/* else *p == '\n' */
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*(p++)='\0';
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}
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*argc=num;
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return(1);
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}
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#endif
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int str2fmt(char *s)
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{
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if ((*s == 'D') || (*s == 'd'))
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return(FORMAT_ASN1);
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else if ((*s == 'T') || (*s == 't'))
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return(FORMAT_TEXT);
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else if ((*s == 'P') || (*s == 'p'))
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return(FORMAT_PEM);
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else if ((*s == 'N') || (*s == 'n'))
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return(FORMAT_NETSCAPE);
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else
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return(FORMAT_UNDEF);
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}
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#if defined(MSDOS) || defined(WIN32) || defined(WIN16)
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void program_name(char *in, char *out, int size)
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{
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int i,n;
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char *p=NULL;
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n=strlen(in);
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/* find the last '/', '\' or ':' */
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for (i=n-1; i>0; i--)
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{
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if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
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{
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p= &(in[i+1]);
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break;
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}
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}
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if (p == NULL)
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p=in;
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n=strlen(p);
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/* strip off trailing .exe if present. */
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if ((n > 4) && (p[n-4] == '.') &&
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((p[n-3] == 'e') || (p[n-3] == 'E')) &&
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((p[n-2] == 'x') || (p[n-2] == 'X')) &&
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((p[n-1] == 'e') || (p[n-1] == 'E')))
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n-=4;
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if (n > size-1)
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n=size-1;
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for (i=0; i<n; i++)
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{
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if ((p[i] >= 'A') && (p[i] <= 'Z'))
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out[i]=p[i]-'A'+'a';
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else
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out[i]=p[i];
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}
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out[n]='\0';
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}
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#else
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#ifdef VMS
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void program_name(char *in, char *out, int size)
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{
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char *p=in, *q;
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char *chars=":]>";
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while(*chars != '\0')
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{
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q=strrchr(p,*chars);
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if (q > p)
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p = q + 1;
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chars++;
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}
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q=strrchr(p,'.');
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if (q == NULL)
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q = in+size;
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strncpy(out,p,q-p);
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out[q-p]='\0';
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}
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#else
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void program_name(char *in, char *out, int size)
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{
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char *p;
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p=strrchr(in,'/');
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if (p != NULL)
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p++;
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else
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p=in;
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strncpy(out,p,size-1);
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out[size-1]='\0';
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}
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#endif
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#endif
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#ifdef WIN32
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int WIN32_rename(char *from, char *to)
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{
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#ifdef WINNT
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int ret;
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/* Note: MoveFileEx() doesn't work under Win95, Win98 */
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ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
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return(ret?0:-1);
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#else
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unlink(to);
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return MoveFile(from, to);
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#endif
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}
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#endif
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int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
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{
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int num,len,i;
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char *p;
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*argc=0;
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*argv=NULL;
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len=strlen(buf);
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i=0;
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if (arg->count == 0)
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{
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arg->count=20;
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arg->data=(char **)Malloc(sizeof(char *)*arg->count);
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}
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for (i=0; i<arg->count; i++)
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arg->data[i]=NULL;
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num=0;
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p=buf;
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for (;;)
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{
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/* first scan over white space */
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if (!*p) break;
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while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
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p++;
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if (!*p) break;
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/* The start of something good :-) */
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if (num >= arg->count)
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{
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arg->count+=20;
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arg->data=(char **)Realloc(arg->data,
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sizeof(char *)*arg->count);
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if (argc == 0) return(0);
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}
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arg->data[num++]=p;
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/* now look for the end of this */
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if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
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{
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i= *(p++);
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arg->data[num-1]++; /* jump over quote */
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while (*p && (*p != i))
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p++;
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*p='\0';
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}
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else
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{
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while (*p && ((*p != ' ') &&
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(*p != '\t') && (*p != '\n')))
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p++;
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if (*p == '\0')
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p--;
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else
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*p='\0';
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}
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p++;
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}
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*argc=num;
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*argv=arg->data;
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return(1);
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}
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#ifndef APP_INIT
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int app_init(long mesgwin)
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{
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return(1);
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}
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#endif
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int dump_cert_text (BIO *out, X509 *x)
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{
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char buf[256];
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X509_NAME_oneline(X509_get_subject_name(x),buf,256);
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BIO_puts(out,"subject=");
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BIO_puts(out,buf);
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X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
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BIO_puts(out,"\nissuer= ");
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BIO_puts(out,buf);
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BIO_puts(out,"\n");
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return 0;
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}
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static char *app_get_pass(BIO *err, char *arg, int keepbio);
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int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
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{
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int same;
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if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
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else same = 1;
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if(arg1) {
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*pass1 = app_get_pass(err, arg1, same);
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if(!*pass1) return 0;
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} else if(pass1) *pass1 = NULL;
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if(arg2) {
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*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
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if(!*pass2) return 0;
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} else if(pass2) *pass2 = NULL;
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return 1;
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}
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static char *app_get_pass(BIO *err, char *arg, int keepbio)
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{
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char *tmp, tpass[APP_PASS_LEN];
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static BIO *pwdbio = NULL;
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int i;
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if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
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if(!strncmp(arg, "env:", 4)) {
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tmp = getenv(arg + 4);
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if(!tmp) {
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BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
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return NULL;
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}
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return BUF_strdup(tmp);
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}
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if(!keepbio || !pwdbio) {
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if(!strncmp(arg, "file:", 5)) {
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pwdbio = BIO_new_file(arg + 5, "r");
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if(!pwdbio) {
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BIO_printf(err, "Can't open file %s\n", arg + 5);
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return NULL;
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}
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} else if(!strncmp(arg, "fd:", 3)) {
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BIO *btmp;
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i = atoi(arg + 3);
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if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
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if((i < 0) || !pwdbio) {
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BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
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return NULL;
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}
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/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
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btmp = BIO_new(BIO_f_buffer());
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pwdbio = BIO_push(btmp, pwdbio);
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} else if(!strcmp(arg, "stdin")) {
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pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
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if(!pwdbio) {
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BIO_printf(err, "Can't open BIO for stdin\n");
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return NULL;
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}
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} else {
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BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
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return NULL;
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}
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}
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i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
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if(keepbio != 1) {
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BIO_free_all(pwdbio);
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pwdbio = NULL;
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}
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if(i <= 0) {
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BIO_printf(err, "Error reading password from BIO\n");
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return NULL;
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}
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tmp = strchr(tpass, '\n');
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if(tmp) *tmp = 0;
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return BUF_strdup(tpass);
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}
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