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Diffstat (limited to 'libXau/k5encode.c')
| -rw-r--r-- | libXau/k5encode.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/libXau/k5encode.c b/libXau/k5encode.c deleted file mode 100644 index a3c6c09b1..000000000 --- a/libXau/k5encode.c +++ /dev/null @@ -1,186 +0,0 @@ -/* $Xorg: k5encode.c,v 1.4 2001/02/09 02:03:42 xorgcvs Exp $ */ - -/* - -Copyright 1993, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -/* - * functions to encode/decode Kerberos V5 principals - * into something that can be reasonable spewed over - * the wire - * - * Author: Tom Yu <tlyu@MIT.EDU> - * - * Still needs to be fixed up wrt signed/unsigned lengths, but we'll worry - * about that later. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <krb5/krb5.h> -/* 9/93: krb5.h leaks some symbols */ -#undef BITS32 -#undef xfree - -#include <X11/X.h> -#include <X11/Xos.h> -#include <X11/Xmd.h> -#include <X11/Xfuncs.h> - -/* - * XauKrb5Encode - * - * this function encodes the principal passed to it in a format that can - * easily be dealt with by stuffing it into an X packet. Encoding is as - * follows: - * length count of the realm name - * realm - * component count - * length of component - * actual principal component - * etc.... - * - * Note that this function allocates a hunk of memory, which must be - * freed to avoid nasty memory leak type things. All counts are - * byte-swapped if needed. (except for the total length returned) - * - * nevermind.... stuffing the encoded packet in net byte order just to - * always do the right thing. Don't have to frob with alignment that way. - */ -int -XauKrb5Encode(princ, outbuf) - krb5_principal princ; /* principal to encode */ - krb5_data *outbuf; /* output buffer */ -{ - CARD16 i, numparts, totlen = 0, plen, rlen; - char *cp, *pdata; - - rlen = krb5_princ_realm(princ)->length; - numparts = krb5_princ_size(princ); - totlen = 2 + rlen + 2; /* include room for realm length - and component count */ - for (i = 0; i < numparts; i++) - totlen += krb5_princ_component(princ, i)->length + 2; - /* add 2 bytes each time for length */ - if ((outbuf->data = (char *)malloc(totlen)) == NULL) - return -1; - cp = outbuf->data; - *cp++ = (char)((int)(0xff00 & rlen) >> 8); - *cp++ = (char)(0x00ff & rlen); - memcpy(cp, krb5_princ_realm(princ)->data, rlen); - cp += rlen; - *cp++ = (char)((int)(0xff00 & numparts) >> 8); - *cp++ = (char)(0x00ff & numparts); - for (i = 0; i < numparts; i++) - { - plen = krb5_princ_component(princ, i)->length; - pdata = krb5_princ_component(princ, i)->data; - *cp++ = (char)((int)(0xff00 & plen) >> 8); - *cp++ = (char)(0x00ff & plen); - memcpy(cp, pdata, plen); - cp += plen; - } - outbuf->length = totlen; - return 0; -} - -/* - * XauKrb5Decode - * - * This function essentially reverses what XauKrb5Encode does. - * return value: 0 if okay, -1 if malloc fails, -2 if inbuf format bad - */ -int -XauKrb5Decode(inbuf, princ) - krb5_data inbuf; - krb5_principal *princ; -{ - CARD16 i, numparts, plen, rlen; - CARD8 *cp, *pdata; - - if (inbuf.length < 4) - { - return -2; - } - *princ = (krb5_principal)malloc(sizeof (krb5_principal_data)); - if (*princ == NULL) - return -1; - bzero(*princ, sizeof (krb5_principal_data)); - cp = (CARD8 *)inbuf.data; - rlen = *cp++ << 8; - rlen |= *cp++; - if (inbuf.length < 4 + (int)rlen + 2) - { - krb5_free_principal(*princ); - return -2; - } - krb5_princ_realm(*princ)->data = (char *)malloc(rlen); - if (krb5_princ_realm(*princ)->data == NULL) - { - krb5_free_principal(*princ); - return -1; - } - krb5_princ_realm(*princ)->length = rlen; - memcpy(krb5_princ_realm(*princ)->data, cp, rlen); - cp += rlen; - numparts = *cp++ << 8; - numparts |= *cp++; - krb5_princ_name(*princ) = - (krb5_data *)malloc(numparts * sizeof (krb5_data)); - if (krb5_princ_name(*princ) == NULL) - { - krb5_free_principal(*princ); - return -1; - } - krb5_princ_size(*princ) = 0; - for (i = 0; i < numparts; i++) - { - if (cp + 2 > (CARD8 *)inbuf.data + inbuf.length) - { - krb5_free_principal(*princ); - return -2; - } - plen = *cp++ << 8; - plen |= *cp++; - if (cp + plen > (CARD8 *)inbuf.data + inbuf.length) - { - krb5_free_principal(*princ); - return -2; - } - pdata = (CARD8 *)malloc(plen); - if (pdata == NULL) - { - krb5_free_principal(*princ); - return -1; - } - krb5_princ_component(*princ, i)->data = (char *)pdata; - krb5_princ_component(*princ, i)->length = plen; - memcpy(pdata, cp, plen); - cp += plen; - krb5_princ_size(*princ)++; - } - return 0; -} |