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Diffstat (limited to 'nx-X11/lib/ICE/getauth.c')
| -rw-r--r-- | nx-X11/lib/ICE/getauth.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/nx-X11/lib/ICE/getauth.c b/nx-X11/lib/ICE/getauth.c new file mode 100644 index 000000000..73fcd8aec --- /dev/null +++ b/nx-X11/lib/ICE/getauth.c @@ -0,0 +1,274 @@ +/* $Xorg: getauth.c,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */ +/****************************************************************************** + + +Copyright 1993, 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. + +Author: Ralph Mor, X Consortium +******************************************************************************/ +/* $XFree86: xc/lib/ICE/getauth.c,v 1.2 2001/10/28 03:32:28 tsi Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/ICE/ICElib.h> +#include "ICElibint.h" +#include <X11/ICE/ICEutil.h> + +static Bool auth_valid (); + +extern int _IcePaAuthDataEntryCount; +extern IceAuthDataEntry _IcePaAuthDataEntries[]; + + +/* + * The functions in this file are not a standard part of ICElib. + * + * The sample implementation uses an .ICEauthority to manipulate + * authentication data. + * + * For the client that initiates a Protocol Setup, we look in the + * .ICEauthority file to get the data. + * + * For the client accepting the Protocol Setup, we get the data + * from an in-memory database of authentication data (set by the + * application calling IceSetPaAuthData). We have to get the data + * from memory because getting it directly from the .ICEauthority + * file is not secure - someone can just modify the contents of the + * .ICEauthority file behind our back. + */ + +void +_IceGetPoAuthData (protocolName, networkId, authName, + authDataLenRet, authDataRet) + +char *protocolName; +char *networkId; +char *authName; +unsigned short *authDataLenRet; +char **authDataRet; + +{ + IceAuthFileEntry *entry; + + entry = IceGetAuthFileEntry (protocolName, networkId, authName); + + if (entry) + { + *authDataLenRet = entry->auth_data_length; + + if ((*authDataRet = (char *) malloc (entry->auth_data_length)) != NULL) + memcpy (*authDataRet, entry->auth_data, entry->auth_data_length); + } + else + { + *authDataLenRet = 0; + *authDataRet = NULL; + } + + IceFreeAuthFileEntry (entry); +} + + + +void +_IceGetPaAuthData (protocolName, networkId, authName, + authDataLenRet, authDataRet) + +char *protocolName; +char *networkId; +char *authName; +unsigned short *authDataLenRet; +char **authDataRet; + +{ + IceAuthDataEntry *entry = NULL; + int found = 0; + int i; + + for (i = 0; i < _IcePaAuthDataEntryCount && !found; i++) + { + entry = &_IcePaAuthDataEntries[i]; + + found = + strcmp (protocolName, entry->protocol_name) == 0 && + strcmp (networkId, entry->network_id) == 0 && + strcmp (authName, entry->auth_name) == 0; + } + + if (found) + { + *authDataLenRet = entry->auth_data_length; + + if ((*authDataRet = (char *) malloc (entry->auth_data_length)) != NULL) + memcpy (*authDataRet, entry->auth_data, entry->auth_data_length); + } + else + { + *authDataLenRet = 0; + *authDataRet = NULL; + } +} + + + +void +_IceGetPoValidAuthIndices (protocol_name, network_id, + num_auth_names, auth_names, num_indices_ret, indices_ret) + +char *protocol_name; +char *network_id; +int num_auth_names; +char **auth_names; +int *num_indices_ret; +int *indices_ret; /* in/out arg */ + +{ + FILE *auth_file; + char *filename; + IceAuthFileEntry *entry; + int index_ret, i; + + *num_indices_ret = 0; + + if (!(filename = IceAuthFileName ())) + return; + + if (access (filename, R_OK) != 0) /* checks REAL id */ + return; + + if (!(auth_file = fopen (filename, "rb"))) + return; + + for (;;) + { + if (!(entry = IceReadAuthFileEntry (auth_file))) + break; + + if (strcmp (protocol_name, entry->protocol_name) == 0 && + strcmp (network_id, entry->network_id) == 0 && + auth_valid (entry->auth_name, num_auth_names, + auth_names, &index_ret)) + { + /* + * Make sure we didn't store this index already. + */ + + for (i = 0; i < *num_indices_ret; i++) + if (index_ret == indices_ret[i]) + break; + + if (i >= *num_indices_ret) + { + indices_ret[*num_indices_ret] = index_ret; + *num_indices_ret += 1; + } + } + + IceFreeAuthFileEntry (entry); + } + + fclose (auth_file); +} + + + +void +_IceGetPaValidAuthIndices (protocol_name, network_id, + num_auth_names, auth_names, num_indices_ret, indices_ret) + +char *protocol_name; +char *network_id; +int num_auth_names; +char **auth_names; +int *num_indices_ret; +int *indices_ret; /* in/out arg */ + +{ + int index_ret; + int i, j; + IceAuthDataEntry *entry; + + *num_indices_ret = 0; + + for (i = 0; i < _IcePaAuthDataEntryCount; i++) + { + entry = &_IcePaAuthDataEntries[i]; + + if (strcmp (protocol_name, entry->protocol_name) == 0 && + strcmp (network_id, entry->network_id) == 0 && + auth_valid (entry->auth_name, num_auth_names, + auth_names, &index_ret)) + { + /* + * Make sure we didn't store this index already. + */ + + for (j = 0; j < *num_indices_ret; j++) + if (index_ret == indices_ret[j]) + break; + + if (j >= *num_indices_ret) + { + indices_ret[*num_indices_ret] = index_ret; + *num_indices_ret += 1; + } + } + } +} + + + +/* + * local routines + */ + +static Bool +auth_valid (auth_name, num_auth_names, auth_names, index_ret) + +char *auth_name; +int num_auth_names; +char **auth_names; +int *index_ret; + +{ + /* + * Check if auth_name is in auth_names. Return index. + */ + + int i; + + for (i = 0; i < num_auth_names; i++) + if (strcmp (auth_name, auth_names[i]) == 0) + { + break; + } + + if (i < num_auth_names) + { + *index_ret = i; + return (1); + } + else + return (0); +} |