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Annotation of src/usr.bin/ssh/uuencode.c, Revision 1.7

1.7     ! deraadt     1: /*     $OpenBSD$       */
        !             2:
1.1       markus      3: /*
1.4       markus      4:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
1.7     ! deraadt     5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  *
        !            15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            17:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            18:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            19:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            20:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            21:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            22:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            23:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            24:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1       markus     25:  */
1.7     ! deraadt    26:
1.1       markus     27: #include "includes.h"
                     28: #include "xmalloc.h"
                     29:
1.4       markus     30: #include <resolv.h>
1.1       markus     31:
1.7     ! deraadt    32: RCSID("$OpenBSD: uuencode.c,v 1.6 2000/06/22 23:55:00 djm Exp $");
1.6       djm        33:
1.1       markus     34: int
1.4       markus     35: uuencode(unsigned char *src, unsigned int srclength,
                     36:     char *target, size_t targsize)
1.1       markus     37: {
1.5       markus     38:        return __b64_ntop(src, srclength, target, targsize);
1.1       markus     39: }
                     40:
                     41: int
1.4       markus     42: uudecode(const char *src, unsigned char *target, size_t targsize)
1.1       markus     43: {
1.5       markus     44:        int len;
                     45:        char *encoded, *p;
                     46:
                     47:        /* copy the 'readonly' source */
                     48:        encoded = xstrdup(src);
                     49:        /* skip whitespace and data */
                     50:        for (p = encoded; *p == ' ' || *p == '\t'; p++)
                     51:                ;
                     52:        for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
                     53:                ;
                     54:        /* and remote trailing whitespace because __b64_pton needs this */
                     55:        *p = '\0';
                     56:        len = __b64_pton(encoded, target, targsize);
                     57:        xfree(encoded);
                     58:        return len;
1.1       markus     59: }
                     60:
                     61: void
                     62: dump_base64(FILE *fp, unsigned char *data, int len)
                     63: {
                     64:        unsigned char *buf = xmalloc(2*len);
                     65:        int i, n;
1.4       markus     66:        n = uuencode(data, len, buf, 2*len);
1.1       markus     67:        for (i = 0; i < n; i++) {
                     68:                fprintf(fp, "%c", buf[i]);
                     69:                if (i % 70 == 69)
                     70:                        fprintf(fp, "\n");
                     71:        }
                     72:        if (i % 70 != 69)
                     73:                fprintf(fp, "\n");
                     74:        xfree(buf);
                     75: }