int
Leash_afs_unlog(
void
)
{
#ifdef NO_AFS
return(0);
#else
long rc;
char HostName[64];
DWORD CurrentState;
if (!AfsAvailable || GetAfsStatus(&AfsOnLine) && !AfsOnLine)
return(0);
CurrentState = 0;
memset(HostName, '\0', sizeof(HostName));
gethostname(HostName, sizeof(HostName));
if (GetServiceStatus(HostName, TRANSARCAFSDAEMON, &CurrentState) != NOERROR)
return(0);
if (CurrentState != SERVICE_RUNNING)
return(0);
rc = ktc_ForgetAllTokens();
return(0);
#endif
}
BOOL WINAPI
DllMain(
HANDLE hinstDLL,
DWORD fdwReason,
LPVOID lpReserved
)
{
hLeashInst = hinstDLL;
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
{
OSVERSIONINFO osvi;
#ifndef NO_KRB4
LoadFuncs(KRB4_DLL, k4_fi, &hKrb4, 0, 1, 0, 0);
#endif
LoadFuncs(KRB5_DLL, k5_fi, &hKrb5, 0, 1, 0, 0);
LoadFuncs(COMERR_DLL, ce_fi, &hComErr, 0, 0, 1, 0);
LoadFuncs(SERVICE_DLL, service_fi, &hService, 0, 1, 0, 0);
LoadFuncs(SECUR32_DLL, lsa_fi, &hSecur32, 0, 1, 1, 1);
#ifndef NO_KRB4
LoadFuncs(KRB524_DLL, k524_fi, &hKrb524, 0, 1, 1, 1);
#endif
LoadFuncs(PROFILE_DLL, profile_fi, &hProfile, 0, 1, 0, 0);
LoadFuncs(CCAPI_DLL, ccapi_fi, &hCcapi, 0, 1, 0, 0);
memset(&osvi, 0, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osvi);
// XXX: We should really use feature testing, first
// checking for CreateToolhelp32Snapshot. If that's
// not around, we try the psapi stuff.
//
// Only load LSA functions if on NT/2000/XP
if(osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
{
// Windows 9x
LoadFuncs(TOOLHELPDLL, toolhelp_fi, &hToolHelp32, 0, 1, 0, 0);
hPsapi = 0;
}
else if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
// Windows NT
LoadFuncs(PSAPIDLL, psapi_fi, &hPsapi, 0, 1, 0, 0);
hToolHelp32 = 0;
}
/*
* Register window class for the MITPasswordControl that
* replaces normal edit controls for password input.
* zero any fields we don't explicitly set
*/
hLeashInst = hinstDLL;
#ifndef NO_KRB4
if (plsh_LoadKrb4LeashErrorTables)
plsh_LoadKrb4LeashErrorTables(hLeashInst, 0);
#endif
Register_MITPasswordEditControl(hLeashInst);
#ifndef NO_AFS
{
DWORD AfsStatus = 0;
GetAfsStatus(&AfsStatus);
AfsAvailable = afscompat_init();
if ( AfsStatus && !AfsAvailable )
SetAfsStatus(0);
}
#endif
return TRUE;
}
case DLL_PROCESS_DETACH:
#ifndef NO_AFS
afscompat_close();
#endif
#ifndef NO_KRB4
if (hKrb4)
FreeLibrary(hKrb4);
#endif
if (hKrb5)
FreeLibrary(hKrb5);
if (hCcapi)
FreeLibrary(hCcapi);
if (hProfile)
FreeLibrary(hProfile);
if (hComErr)
FreeLibrary(hComErr);
if (hService)
FreeLibrary(hService);
if (hSecur32)
FreeLibrary(hSecur32);
#ifndef NO_KRB4
if (hKrb524)
FreeLibrary(hKrb524);
#endif
if (hPsapi)
FreeLibrary(hPsapi);
if (hToolHelp32)
FreeLibrary(hToolHelp32);
return TRUE;
default:
return TRUE;
}
}
int
not_an_API_LeashAFSGetToken(
TICKETINFO * ticketinfo,
TicketList** ticketList,
char * kerberosPrincipal
)
{
#ifdef NO_AFS
return(0);
#else
struct ktc_principal aserver;
struct ktc_principal aclient;
struct ktc_token atoken;
int EndMonth;
int EndDay;
int cellNum;
int BreakAtEnd;
char UserName[64];
char CellName[64];
char ServiceName[64];
char InstanceName[64];
char EndTime[16];
char Buffer[256];
char Months[12][4] = {"Jan\0", "Feb\0", "Mar\0", "Apr\0", "May\0", "Jun\0", "Jul\0", "Aug\0", "Sep\0", "Oct\0", "Nov\0", "Dec\0"};
char TokenStatus[16];
time_t CurrentTime;
struct tm *newtime;
DWORD CurrentState;
DWORD rc;
char HostName[64];
TicketList* list = NULL;
if ( ticketinfo ) {
ticketinfo->btickets = NO_TICKETS;
ticketinfo->principal[0] = '\0';
}
if ( !kerberosPrincipal )
kerberosPrincipal = "";
if (!AfsAvailable || GetAfsStatus(&AfsOnLine) && !AfsOnLine)
return(0);
CurrentState = 0;
memset(HostName, '\0', sizeof(HostName));
gethostname(HostName, sizeof(HostName));
if (GetServiceStatus(HostName, TRANSARCAFSDAEMON, &CurrentState) != NOERROR)
return(0);
if (CurrentState != SERVICE_RUNNING)
return(0);
BreakAtEnd = 0;
cellNum = 0;
while (1)
{
if (rc = ktc_ListTokens(cellNum, &cellNum, &aserver))
{
if (rc != KTC_NOENT)
return(0);
if (BreakAtEnd == 1)
break;
}
BreakAtEnd = 1;
memset(&atoken, '\0', sizeof(atoken));
if (rc = ktc_GetToken(&aserver, &atoken, sizeof(atoken), &aclient))
{
if (rc == KTC_ERROR)
return(0);
continue;
}
if (!list)
{
list = (TicketList*) calloc(1, sizeof(TicketList));
(*ticketList) = list;
}
else
{
list->next = (struct TicketList*) calloc(1, sizeof(TicketList));
list = (TicketList*) list->next;
}
CurrentTime = time(NULL);
newtime = localtime(&atoken.endTime);
memset(UserName, '\0', sizeof(UserName));
strcpy(UserName, aclient.name);
memset(CellName, '\0', sizeof(CellName));
strcpy(CellName, aclient.cell);
memset(InstanceName, '\0', sizeof(InstanceName));
strcpy(InstanceName, aclient.instance);
memset(ServiceName, '\0', sizeof(ServiceName));
strcpy(ServiceName, aserver.name);
memset(TokenStatus, '\0', sizeof(TokenStatus));
EndDay = newtime->tm_mday;
EndMonth = newtime->tm_mon + 1;;
sprintf(EndTime, "%02d:%02d:%02d", newtime->tm_hour, newtime->tm_min, newtime->tm_sec);
sprintf(Buffer," %s %02d %s %s%s%s@%s %s",
Months[EndMonth - 1], EndDay, EndTime,
UserName,
InstanceName[0] ? "." : "",
InstanceName,
CellName,
TokenStatus);
list->theTicket = (char*) calloc(1, sizeof(Buffer));
if (!list->theTicket)
{
#ifdef USE_MESSAGE_BOX
MessageBox(NULL, "Memory Error", "Error", MB_OK);
#endif /* USE_MESSAGE_BOX */
return ENOMEM;
}
strcpy(list->theTicket, Buffer);
list->name = strdup(aclient.name);
list->inst = aclient.instance[0] ? strdup(aclient.instance) : NULL;
list->realm = strdup(aclient.cell);
list->encTypes = NULL;
list->addrCount = 0;
list->addrList = NULL;
if ( ticketinfo ) {
sprintf(Buffer,"%s@%s",UserName,CellName);
if (!ticketinfo->principal[0] || !stricmp(Buffer,kerberosPrincipal)) {
strcpy(ticketinfo->principal, Buffer);
ticketinfo->issue_date = 0;
ticketinfo->lifetime = atoken.endTime;
ticketinfo->renew_till = 0;
_tzset();
if ( ticketinfo->lifetime - time(0) <= 0L )
ticketinfo->btickets = EXPD_TICKETS;
else
ticketinfo->btickets = GOOD_TICKETS;
}
}
}
return(0);
#endif
}
int
Leash_afs_klog(
char *service,
char *cell,
char *realm,
int LifeTime
)
{
/////#ifdef NO_AFS
#if defined(NO_AFS) || defined(NO_KRB4)
return(0);
#else
long rc;
////This is defined in krb.h:
CREDENTIALS creds;
KTEXT_ST ticket;
struct ktc_principal aserver;
struct ktc_principal aclient;
char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
char realm_of_cell[REALM_SZ]; /* Kerberos realm of cell */
char local_cell[MAXCELLCHARS+1];
char Dmycell[MAXCELLCHARS+1];
struct ktc_token atoken;
struct ktc_token btoken;
afsconf_cell ak_cellconfig; /* General information about the cell */
char RealmName[128];
char CellName[128];
char ServiceName[128];
DWORD CurrentState;
char HostName[64];
BOOL try_krb5 = 0;
int retry = 0;
int len;
#ifndef NO_KRB5
krb5_context context = 0;
krb5_ccache _krb425_ccache = 0;
krb5_creds increds;
krb5_creds * k5creds = 0;
krb5_error_code r;
krb5_principal client_principal = 0;
krb5_flags flags = 0;
#endif /* NO_KRB5 */
if (!AfsAvailable || GetAfsStatus(&AfsOnLine) && !AfsOnLine)
return(0);
if ( !realm ) realm = "";
if ( !cell ) cell = "";
if ( !service ) service = "";
CurrentState = 0;
memset(HostName, '\0', sizeof(HostName));
gethostname(HostName, sizeof(HostName));
if (GetServiceStatus(HostName, TRANSARCAFSDAEMON, &CurrentState) != NOERROR)
return(0);
if (CurrentState != SERVICE_RUNNING)
return(0);
memset(RealmName, '\0', sizeof(RealmName));
memset(CellName, '\0', sizeof(CellName));
memset(ServiceName, '\0', sizeof(ServiceName));
memset(realm_of_user, '\0', sizeof(realm_of_user));
memset(realm_of_cell, '\0', sizeof(realm_of_cell));
memset(Dmycell, '\0', sizeof(Dmycell));
// NULL or empty cell returns information on local cell
if (cell && cell[0])
strcpy(Dmycell, cell);
rc = get_cellconfig(Dmycell, &ak_cellconfig, local_cell);
if (rc && cell && cell[0]) {
memset(Dmycell, '\0', sizeof(Dmycell));
rc = get_cellconfig(Dmycell, &ak_cellconfig, local_cell);
}
if (rc)
return(rc);
#ifndef NO_KRB5
if (!(r = Leash_krb5_initialize(&context, &_krb425_ccache))) {
int i;
memset((char *)&increds, 0, sizeof(increds));
(*pkrb5_cc_get_principal)(context, _krb425_ccache, &client_principal);
i = krb5_princ_realm(context, client_principal)->length;
if (i > REALM_SZ-1)
i = REALM_SZ-1;
strncpy(realm_of_user,krb5_princ_realm(context, client_principal)->data,i);
realm_of_user[i] = 0;
try_krb5 = 1;
}
#endif /* NO_KRB5 */
#ifndef NO_KRB4
if ( !try_krb5 || !realm_of_user[0] ) {
if ((rc = (*pkrb_get_tf_realm)((*ptkt_string)(), realm_of_user)) != KSUCCESS)
{
return(rc);
}
}
#endif
strcpy(realm_of_cell, afs_realm_of_cell(&ak_cellconfig));
if (strlen(service) == 0)
strcpy(ServiceName, "afs");
else
strcpy(ServiceName, service);
if (strlen(cell) == 0)
strcpy(CellName, local_cell);
else
strcpy(CellName, cell);
if (strlen(realm) == 0)
strcpy(RealmName, realm_of_cell);
else
strcpy(RealmName, realm);
memset(&creds, '\0', sizeof(creds));
#ifndef NO_KRB5
if ( try_krb5 ) {
/* First try Service/Cell@REALM */
if (r = (*pkrb5_build_principal)(context, &increds.server,
strlen(RealmName),
RealmName,
ServiceName,
CellName,
0))
{
try_krb5 = 0;
goto use_krb4;
}
increds.client = client_principal;
increds.times.endtime = 0;
/* Ask for DES since that is what V4 understands */
increds.keyblock.enctype = ENCTYPE_DES_CBC_CRC;
#ifdef KRB5_TC_NOTICKET
flags = 0;
r = pkrb5_cc_set_flags(context, _krb425_ccache, flags);
#endif
if (r == 0)
r = pkrb5_get_credentials(context, 0, _krb425_ccache, &increds, &k5creds);
if (r == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN ||
r == KRB5KRB_ERR_GENERIC /* Heimdal */) {
/* Next try Service@REALM */
pkrb5_free_principal(context, increds.server);
r = pkrb5_build_principal(context, &increds.server,
strlen(RealmName),
RealmName,
ServiceName,
0);
if (r == 0)
r = pkrb5_get_credentials(context, 0, _krb425_ccache, &increds, &k5creds);
}
pkrb5_free_principal(context, increds.server);
pkrb5_free_principal(context, client_principal);
#ifdef KRB5_TC_NOTICKET
flags = KRB5_TC_NOTICKET;
pkrb5_cc_set_flags(context, _krb425_ccache, flags);
#endif
(void) pkrb5_cc_close(context, _krb425_ccache);
_krb425_ccache = 0;
if (r || k5creds == 0) {
pkrb5_free_context(context);
try_krb5 = 0;
goto use_krb4;
}
/* This code inserts the entire K5 ticket into the token
* No need to perform a krb524 translation which is
* commented out in the code below
*/
if ( use_krb524() || k5creds->ticket.length > MAXKTCTICKETLEN )
goto try_krb524d;
memset(&aserver, '\0', sizeof(aserver));
strncpy(aserver.name, ServiceName, MAXKTCNAMELEN - 1);
strncpy(aserver.cell, CellName, MAXKTCREALMLEN - 1);
memset(&atoken, '\0', sizeof(atoken));
atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
atoken.startTime = k5creds->times.starttime;
atoken.endTime = k5creds->times.endtime;
memcpy(&atoken.sessionKey, k5creds->keyblock.contents, k5creds->keyblock.length);
atoken.ticketLen = k5creds->ticket.length;
memcpy(atoken.ticket, k5creds->ticket.data, atoken.ticketLen);
retry_gettoken5:
rc = ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient);
if (rc != 0 && rc != KTC_NOENT && rc != KTC_NOCELL) {
if ( rc == KTC_NOCM && retry < 20 ) {
Sleep(500);
retry++;
goto retry_gettoken5;
}
goto try_krb524d;
}
if (atoken.kvno == btoken.kvno &&
atoken.ticketLen == btoken.ticketLen &&
!memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
!memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen))
{
/* Success */
pkrb5_free_creds(context, k5creds);
pkrb5_free_context(context);
return(0);
}
// * Reset the "aclient" structure before we call ktc_SetToken.
// * This structure was first set by the ktc_GetToken call when
// * we were comparing whether identical tokens already existed.
len = min(k5creds->client->data[0].length,MAXKTCNAMELEN - 1);
strncpy(aclient.name, k5creds->client->data[0].data, len);
aclient.name[len] = '\0';
if ( k5creds->client->length > 1 ) {
char * p;
strcat(aclient.name, ".");
p = aclient.name + strlen(aclient.name);
len = min(k5creds->client->data[1].length,MAXKTCNAMELEN - strlen(aclient.name) - 1);
strncpy(p, k5creds->client->data[1].data, len);
p[len] = '\0';
}
aclient.instance[0] = '\0';
strcpy(aclient.cell, realm_of_cell);
len = min(k5creds->client->realm.length,strlen(realm_of_cell));
if ( strncmp(realm_of_cell, k5creds->client->realm.data, len) ) {
char * p;
strcat(aclient.name, "@");
p = aclient.name + strlen(aclient.name);
len = min(k5creds->client->realm.length,MAXKTCNAMELEN - strlen(aclient.name) - 1);
strncpy(p, k5creds->client->realm.data, len);
p[len] = '\0';
}
rc = ktc_SetToken(&aserver, &atoken, &aclient, 0);
if (!rc) {
/* Success */
pkrb5_free_creds(context, k5creds);
pkrb5_free_context(context);
return(0);
}
try_krb524d:
/* This requires krb524d to be running with the KDC */
r = pkrb524_convert_creds_kdc(context, k5creds, &creds);
pkrb5_free_creds(context, k5creds);
pkrb5_free_context(context);
if (r) {
try_krb5 = 0;
goto use_krb4;
}
rc = KSUCCESS;
} else
#endif /* NO_KRB5 */
{
use_krb4:
rc = KFAILURE;
}
if (rc != KSUCCESS)
{
return(rc);
}
memset(&aserver, '\0', sizeof(aserver));
strncpy(aserver.name, ServiceName, MAXKTCNAMELEN - 1);
strncpy(aserver.cell, CellName, MAXKTCNAMELEN - 1);
memset(&atoken, '\0', sizeof(atoken));
atoken.kvno = creds.kvno;
atoken.startTime = creds.issue_date;
atoken.endTime = (*pkrb_life_to_time)(creds.issue_date,creds.lifetime);
memcpy(&atoken.sessionKey, creds.session, 8);
atoken.ticketLen = creds.ticket_st.length;
memcpy(atoken.ticket, creds.ticket_st.dat, atoken.ticketLen);
if (!(rc = ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient)) &&
atoken.kvno == btoken.kvno &&
atoken.ticketLen == btoken.ticketLen &&
!memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
!memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen))
{
return(0);
}
// * Reset the "aclient" structure before we call ktc_SetToken.
// * This structure was first set by the ktc_GetToken call when
// * we were comparing whether identical tokens already existed.
strncpy(aclient.name, creds.pname, MAXKTCNAMELEN - 1);
aclient.name[MAXKTCNAMELEN - 1] = '\0';
if (creds.pinst[0])
{
strncat(aclient.name, ".", MAXKTCNAMELEN - 1 - strlen(aclient.name));
aclient.name[MAXKTCNAMELEN - 1] = '\0';
strncat(aclient.name, creds.pinst, MAXKTCNAMELEN - 1 - strlen(aclient.name));
aclient.name[MAXKTCNAMELEN - 1] = '\0';
}
strcpy(aclient.instance, "");
if ( strcmp(realm_of_cell, creds.realm) )
{
strncat(aclient.name, "@", MAXKTCNAMELEN - 1 - strlen(aclient.name));
aclient.name[MAXKTCNAMELEN - 1] = '\0';
strncat(aclient.name, creds.realm, MAXKTCNAMELEN - 1 - strlen(aclient.name));
aclient.name[MAXKTCNAMELEN - 1] = '\0';
}
aclient.name[MAXKTCNAMELEN-1] = '\0';
strcpy(aclient.cell, CellName);
// * NOTE: On WIN32, the order of SetToken params changed...
// * to ktc_SetToken(&aserver, &aclient, &atoken, 0)
// * from ktc_SetToken(&aserver, &atoken, &aclient, 0) on Unix...
// * The afscompat ktc_SetToken provides the Unix order
if (rc = ktc_SetToken(&aserver, &atoken, &aclient, 0))
{
Leash_afs_error(rc, "ktc_SetToken()");
return(rc);
}
return(0);
#endif
}