-/*
+/*
* $Id$
*
* Copyright 1990,1991 by the Massachusetts Institute of Technology
* For distribution and copying rights, see the file "mit-copyright.h"
*/
/*
- * Copyright (c) 2005, 2006
- * The Linux Box Corporation
- * ALL RIGHTS RESERVED
- *
- * Permission is granted to use, copy, create derivative works
- * and redistribute this software and such derivative works
- * for any purpose, so long as the name of the Linux Box
- * Corporation is not used in any advertising or publicity
- * pertaining to the use or distribution of this software
- * without specific, written prior authorization. If the
- * above copyright notice or any other identification of the
- * Linux Box Corporation is included in any copy of any
- * portion of this software, then the disclaimer below must
- * also be included.
- *
- * This software is provided as is, without representation
- * from the Linux Box Corporation as to its fitness for any
- * purpose, and without warranty by the Linux Box Corporation
- * of any kind, either express or implied, including
- * without limitation the implied warranties of
- * merchantability and fitness for a particular purpose. The
- * regents of the Linux Box Corporation shall not be liable
- * for any damages, including special, indirect, incidental, or
- * consequential damages, with respect to any claim arising
- * out of or in connection with the use of the software, even
- * if it has been or is hereafter advised of the possibility of
- * such damages.
+ * Copyright (c) 2005, 2006
+ * The Linux Box Corporation
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of the Linux Box
+ * Corporation is not used in any advertising or publicity
+ * pertaining to the use or distribution of this software
+ * without specific, written prior authorization. If the
+ * above copyright notice or any other identification of the
+ * Linux Box Corporation is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * This software is provided as is, without representation
+ * from the Linux Box Corporation as to its fitness for any
+ * purpose, and without warranty by the Linux Box Corporation
+ * of any kind, either express or implied, including
+ * without limitation the implied warranties of
+ * merchantability and fitness for a particular purpose. The
+ * regents of the Linux Box Corporation shall not be liable
+ * for any damages, including special, indirect, incidental, or
+ * consequential damages, with respect to any claim arising
+ * out of or in connection with the use of the software, even
+ * if it has been or is hereafter advised of the possibility of
+ * such damages.
*/
#include <afsconfig.h>
+#include <afs/param.h>
+#include <afs/stds.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
-#include <errno.h>
+#include <roken.h>
-#include <sys/stat.h>
-#include <fcntl.h>
+#include <ctype.h>
-#include <sys/param.h>
-#include <sys/errno.h>
-#include <netdb.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <pwd.h>
+#include <afs/ktc.h>
+#include <afs/token.h>
-#include <afs/stds.h>
+#define KERBEROS_APPLE_DEPRECATED(x)
#include <krb5.h>
-#if defined(HAVE_ET_COM_ERR_H)
-#include <et/com_err.h>
+#ifdef HAVE_COM_ERR_H
+# include <com_err.h>
+#elif HAVE_ET_COM_ERR_H
+# include <et/com_err.h>
+#elif HAVE_KRB5_COM_ERR_H
+# include <krb5/com_err.h>
#else
-#include <com_err.h>
+# error No com_err.h? We need some kind of com_err.h
#endif
#ifndef HAVE_KERBEROSV_HEIM_ERR_H
#include <afs/com_err.h>
#endif
-#include <afs/param.h>
#ifdef AFS_SUN5_ENV
#include <sys/ioccom.h>
#endif
-/* Prevent inclusion of des.h to avoid conflicts with des types */
-#define NO_DES_H_INCLUDE
-
#include <afs/auth.h>
#include <afs/cellconfig.h>
#include <afs/vice.h>
#include <afs/venus.h>
#include <afs/ptserver.h>
#include <afs/ptuser.h>
+#include <afs/pterror.h>
#include <afs/dirpath.h>
+#include <afs/afsutil.h>
#include "aklog.h"
#include "linked_list.h"
#define AKLOG_BADPATH 6
#define AKLOG_MISC 7
-#ifndef NULL
-#define NULL 0
-#endif
-
#ifndef TRUE
#define TRUE 1
#endif
char realm[REALM_SZ];
} cellinfo_t;
-struct afsconf_cell ak_cellconfig; /* General information about the cell */
-static char linkedcell[MAXCELLCHARS+1];
-static char linkedcell2[MAXCELLCHARS+1];
static krb5_ccache _krb425_ccache = NULL;
/*
static int isdir(char *, unsigned char *);
static krb5_error_code get_credv5(krb5_context context, char *, char *,
char *, krb5_creds **);
-static int get_user_realm(krb5_context, char *);
+static int get_user_realm(krb5_context, char **);
#define TRYAGAIN(x) (x == AKLOG_TRYAGAIN || \
x == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN || \
#error "Must have either krb5_princ_size or krb5_principal_get_comp_string"
#endif
-#if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
-extern krb5_error_code encode_krb5_enc_tkt_part (const krb5_enc_tkt_part *rep, krb5_data **code);
+#if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
+extern krb5_error_code encode_krb5_enc_tkt_part (const krb5_enc_tkt_part *rep,
+ krb5_data **code);
krb5_error_code
krb5_encrypt_tkt_part(krb5_context context,
krb5_data *data = 0;
int code;
size_t enclen;
-
+
if ((code = encode_krb5_enc_tkt_part(ticket->enc_part2, &data)))
goto Done;
if ((code = krb5_c_encrypt_length(context, key->enctype,
#error "Must have either keyblock or session member of krb5_creds"
#endif
-#if !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
-#define krb5_524_convert_creds krb524_convert_creds_kdc
-#elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC)
+/* MITKerberosShim logs but returns success */
+#if !defined(HAVE_KRB5_524_CONV_PRINCIPAL) || defined(AFS_DARWIN110_ENV) || (!defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC))
#define HAVE_NO_KRB5_524
+#elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
+#define krb5_524_convert_creds krb524_convert_creds_kdc
#endif
#if USING_HEIMDAL
if (code) {
const char *str = afs_error_message(code);
if (strncmp(str, "unknown", strlen("unknown")) == 0) {
- str = error_message(code);
+#ifdef HAVE_KRB5_SVC_GET_MSG
+ krb5_svc_get_msg(code,&str);
+#elif defined(HAVE_KRB5_GET_ERROR_MESSAGE)
+ krb5_context context;
+ if (krb5_init_context(&context) == 0) {
+ str = krb5_get_error_message(context, code);
+ krb5_free_context(context);
+ }
+#else
+ ; /* IRIX apparently has neither: use the string we have */
+#endif
}
fputs(str, stderr);
fputs(" ", stderr);
+#ifdef HAVE_KRB5_SVC_GET_MSG
+ krb5_free_string(str);
+#endif
}
if (fmt) {
vfprintf(stderr, fmt, ap);
fflush(stderr);
}
-/* ANL - CMU lifetime convert routine */
-/* for K5.4.1 don't use this for now. Need to see if it is needed */
-/* maybe needed in the krb524d module as well */
-/* extern unsigned long krb_life_to_time(); */
+static void
+afs_dprintf(char *fmt, ...) {
+ va_list ap;
-static char *copy_cellinfo(cellinfo_t *cellinfo)
+ va_start(ap, fmt);
+ if (dflag)
+ vprintf(fmt, ap);
+ va_end(ap);
+}
+
+static char *
+copy_cellinfo(cellinfo_t *cellinfo)
{
cellinfo_t *new_cellinfo;
- if ((new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t))))
+ if ((new_cellinfo = malloc(sizeof(cellinfo_t))))
memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
-
+
return ((char *)new_cellinfo);
}
-static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig, char *local_cell, char *linkedcell)
+static int
+get_cellconfig(const char *config, char *cell,
+ struct afsconf_cell *cellconfig, char **local_cell)
{
int status = AKLOG_SUCCESS;
struct afsconf_dir *configdir;
- memset(local_cell, 0, sizeof(local_cell));
memset(cellconfig, 0, sizeof(*cellconfig));
- if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
- fprintf(stderr,
- "%s: can't get afs configuration (afsconf_Open(%s))\n",
- progname, AFSDIR_CLIENT_ETC_DIRPATH);
+ *local_cell = malloc(MAXCELLCHARS);
+ if (*local_cell == NULL) {
+ fprintf(stderr, "%s: can't allocate memory for local cell name\n",
+ progname);
exit(AKLOG_AFS);
}
- if (afsconf_GetLocalCell(configdir, local_cell, MAXCELLCHARS)) {
- fprintf(stderr, "%s: can't determine local cell.\n", progname);
+ if (!(configdir = afsconf_Open(config))) {
+ fprintf(stderr,
+ "%s: can't get afs configuration (afsconf_Open(%s))\n",
+ progname, config);
exit(AKLOG_AFS);
}
- if ((cell == NULL) || (cell[0] == 0))
- cell = local_cell;
+ if (cell != NULL && cell[0] == '\0') {
+ /* Use the local cell */
+ cell = NULL;
+ }
- linkedcell[0] = '\0';
+ /* XXX - This function modifies 'cell' by passing it through lcstring */
if (afsconf_GetCellInfo(configdir, cell, NULL, cellconfig)) {
- fprintf(stderr, "%s: Can't get information about cell %s.\n",
- progname, cell);
+ if (cell != NULL) {
+ fprintf(stderr, "%s: Can't get information about cell %s.\n",
+ progname, cell);
+ } else {
+ fprintf(stderr, "%s: Can't get information about the local cell.\n",
+ progname);
+ }
status = AKLOG_AFS;
+ } else if (afsconf_GetLocalCell(configdir, *local_cell, MAXCELLCHARS)) {
+ fprintf(stderr, "%s: can't determine local cell.\n", progname);
+ exit(AKLOG_AFS);
}
- if (cellconfig->linkedCell)
- strncpy(linkedcell,cellconfig->linkedCell,MAXCELLCHARS);
- (void) afsconf_Close(configdir);
+ afsconf_Close(configdir);
return(status);
}
+static char *
+extract_realm(krb5_context context, krb5_principal princ) {
+ int len;
+ char *realm;
+
+ len = realm_len(context, princ);
+ if (len > REALM_SZ-1)
+ len = REALM_SZ-1;
+
+ realm = malloc(sizeof(char) * (len+1));
+ if (realm == NULL)
+ return NULL;
+
+ strncpy(realm, realm_data(context, princ), len);
+ realm[len] = '\0';
+
+ return realm;
+}
+
+static int
+get_realm_from_cred(krb5_context context, krb5_creds *v5cred, char **realm) {
+#if !defined(HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
+ krb5_error_code code;
+ krb5_ticket *ticket;
+
+ *realm = NULL;
+
+ code = krb5_decode_ticket(&v5cred->ticket, &ticket);
+ if (code)
+ return code;
+
+ *realm = extract_realm(context, ticket->server);
+ if (*realm == NULL)
+ code = ENOMEM;
+
+ krb5_free_ticket(context, ticket);
+
+ return code;
+#else
+ *realm = NULL;
+ return 0;
+#endif
+}
+
+/*!
+ * Get a Kerberos service ticket to use as the base of an rxkad token for
+ * a given AFS cell.
+ *
+ * @param[in] context
+ * An initialized Kerberos v5 context
+ * @param[in] realm
+ * The realm to look in for the service principal. If NULL, then the
+ * realm is determined from the cell name or the user's credentials
+ * (see below for the heuristics used)
+ * @param[in] cell
+ * The cell information for the cell to obtain a ticket for
+ * @param[out] v5cred
+ * A Kerberos credentials structure containing the ticket acquired
+ * for the cell. This is a dynamically allocated structure, which
+ * should be freed by using the appropriate Kerberos API function.
+ * @param[out] realmUsed
+ * The realm in which the cell's service principal was located. If
+ * unset, then the principal was located in the same realm as the
+ * current user. This is a malloc'd string which should be freed
+ * by the caller.
+ *
+ * @returns
+ * 0 on success, an error value upon failure
+ *
+ * @notes
+ * This code tries principals in the following, much debated,
+ * order:
+ *
+ * If the realm is specified on the command line we do
+ * - afs/cell@COMMAND-LINE-REALM
+ * - afs@COMMAND-LINE-REALM
+ *
+ * Otherwise, we do
+ * - afs/cell@REALM-FROM-USERS-PRINCIPAL
+ * - afs/cell@krb5_get_host_realm(db-server)
+ * Then, if krb5_get_host_realm(db-server) is non-empty
+ * - afs@ krb5_get_host_realm(db-server)
+ * Otherwise
+ * - afs/cell@ upper-case-domain-of-db-server
+ * - afs@ upper-case-domain-of-db-server
+ *
+ * In all cases, the 'afs@' variant is only tried where the
+ * cell and the realm match case-insensitively.
+ */
+
+static int
+rxkad_get_ticket(krb5_context context, char *realm,
+ struct afsconf_cell *cell,
+ krb5_creds **v5cred, char **realmUsed) {
+ char *realm_of_cell = NULL;
+ char *realm_of_user = NULL;
+ char *realm_from_princ = NULL;
+ int status;
+ int retry;
+
+ *realmUsed = NULL;
+
+ if ((status = get_user_realm(context, &realm_of_user))) {
+ fprintf(stderr, "%s: Couldn't determine realm of user:", progname);
+ afs_com_err(progname, status, " while getting realm");
+ status = AKLOG_KERBEROS;
+ goto out;
+ }
+
+ retry = 1;
+
+ while(retry) {
+ /* Cell on command line - use that one */
+ if (realm && realm[0]) {
+ realm_of_cell = realm;
+ status = AKLOG_TRYAGAIN;
+ afs_dprintf("We were told to authenticate to realm %s.\n", realm);
+ } else {
+ /* Initially, try using afs/cell@USERREALM */
+ afs_dprintf("Trying to authenticate to user's realm %s.\n",
+ realm_of_user);
+ realm_of_cell = realm_of_user;
+ status = get_credv5(context, AFSKEY, cell->name, realm_of_cell,
+ v5cred);
+
+ /* If that failed, try to determine the realm from the name of
+ * one of the DB servers */
+ if (TRYAGAIN(status)) {
+ realm_of_cell = afs_realm_of_cell(context, cell, FALSE);
+ if (!realm_of_cell) {
+ fprintf(stderr, "%s: Couldn't figure out realm for cell "
+ "%s.\n", progname, cell->name);
+ exit(AKLOG_MISC);
+ }
+
+ if (realm_of_cell[0])
+ afs_dprintf("We've deduced that we need to authenticate"
+ " to realm %s.\n", realm_of_cell);
+ else
+ afs_dprintf("We've deduced that we need to authenticate "
+ "using referrals.\n");
+ }
+ }
+
+ if (TRYAGAIN(status)) {
+ /* If we've got the full-princ-first option, or we're in a
+ * different realm from the cell - use the cell name as the
+ * instance */
+ if (AFS_TRY_FULL_PRINC ||
+ strcasecmp(cell->name, realm_of_cell)!=0) {
+ status = get_credv5(context, AFSKEY, cell->name,
+ realm_of_cell, v5cred);
+
+ /* If we failed & we've got an empty realm, then try
+ * calling afs_realm_for_cell again. */
+ if (TRYAGAIN(status) && !realm_of_cell[0]) {
+ /* This time, get the realm by taking the domain
+ * component of the db server and make it upper case */
+ realm_of_cell = afs_realm_of_cell(context, cell, TRUE);
+ if (!realm_of_cell) {
+ fprintf(stderr,
+ "%s: Couldn't figure out realm for cell %s.\n",
+ progname, cell->name);
+ exit(AKLOG_MISC);
+ }
+ afs_dprintf("We've deduced that we need to authenticate"
+ " to realm %s.\n", realm_of_cell);
+ status = get_credv5(context, AFSKEY, cell->name,
+ realm_of_cell, v5cred);
+ }
+ }
+
+ /* If the realm and cell name match, then try without an
+ * instance, but only if realm is non-empty */
+
+ if (TRYAGAIN(status) &&
+ strcasecmp(cell->name, realm_of_cell) == 0) {
+ status = get_credv5(context, AFSKEY, NULL, realm_of_cell,
+ v5cred);
+ if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
+ status = get_credv5(context, AFSKEY, cell->name,
+ realm_of_cell, v5cred);
+ }
+ }
+ }
+
+ /* Try to find a service principal for this cell.
+ * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
+ * the first attempt, so we try twice to be sure */
+
+ if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
+ retry++;
+ else
+ retry = 0;
+ }
+
+ if (status != 0) {
+ afs_dprintf("Kerberos error code returned by get_cred : %d\n", status);
+ fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
+ progname, cell->name);
+ afs_com_err(progname, status, "while getting AFS tickets");
+#ifdef KRB5_CC_NOT_KTYPE
+ if (status == KRB5_CC_NOT_KTYPE) {
+ fprintf(stderr, "allow_weak_crypto may be required in the Kerberos configuration\n");
+ }
+#endif
+ status = AKLOG_KERBEROS;
+ goto out;
+ }
+
+ /* If we've got a valid ticket, and we still don't know the realm name
+ * try to figure it out from the contents of the ticket
+ */
+ if (strcmp(realm_of_cell, "") == 0) {
+ status = get_realm_from_cred(context, *v5cred, &realm_from_princ);
+ if (status) {
+ fprintf(stderr,
+ "%s: Couldn't decode ticket to determine realm for "
+ "cell %s.\n",
+ progname, cell->name);
+ } else {
+ if (realm_from_princ)
+ realm_of_cell = realm_from_princ;
+ }
+ }
+
+ /* If the realm of the user and cell differ, then we need to use the
+ * realm when we later construct the user's principal */
+ if (realm_of_cell != NULL && strcmp(realm_of_user, realm_of_cell) != 0)
+ *realmUsed = realm_of_user;
+
+out:
+ if (realm_from_princ)
+ free(realm_from_princ);
+ if (realm_of_user && *realmUsed == NULL)
+ free(realm_of_user);
+
+ return status;
+}
+
+/*!
+ * Build an rxkad token from a Kerberos ticket, using only local tools (that
+ * is, without using a 524 conversion service)
+ *
+ * @param[in] context
+ * An initialised Kerberos 5 context
+ * @param[in] v5cred
+ * A Kerberos credentials structure containing a suitable service ticket
+ * @param[out] tokenPtr
+ * An AFS token structure containing an rxkad token. This is a malloc'd
+ * structure which should be freed by the caller.
+ * @param[out[ userPtr
+ * A string containing the principal of the user to whom the token was
+ * issued. This is a malloc'd block which should be freed by the caller,
+ * if set.
+ *
+ * @returns
+ * 0 on success, an error value upon failure
+ */
+static int
+rxkad_build_native_token(krb5_context context, krb5_creds *v5cred,
+ struct ktc_tokenUnion **tokenPtr, char **userPtr) {
+ char username[BUFSIZ]="";
+ struct ktc_token token;
+ int status;
+#ifdef HAVE_NO_KRB5_524
+ char *p;
+ int len;
+#else
+ char k4name[ANAME_SZ];
+ char k4inst[INST_SZ];
+ char k4realm[REALM_SZ];
+#endif
+ void *inkey = get_cred_keydata(v5cred);
+ size_t inkey_sz = get_cred_keylen(v5cred);
+
+ afs_dprintf("Using Kerberos V5 ticket natively\n");
+
+ *tokenPtr = NULL;
+ *userPtr = NULL;
+
+#ifndef HAVE_NO_KRB5_524
+ status = krb5_524_conv_principal (context, v5cred->client,
+ (char *) &k4name,
+ (char *) &k4inst,
+ (char *) &k4realm);
+ if (status) {
+ if (!noprdb)
+ afs_com_err(progname, status,
+ "while converting principal to Kerberos V4 format");
+ } else {
+ strcpy (username, k4name);
+ if (k4inst[0]) {
+ strcat (username, ".");
+ strcat (username, k4inst);
+ }
+ }
+#else
+ len = min(get_princ_len(context, v5cred->client, 0),
+ second_comp(context, v5cred->client) ?
+ MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
+ strncpy(username, get_princ_str(context, v5cred->client, 0), len);
+ username[len] = '\0';
+
+ if (second_comp(context, v5cred->client)) {
+ strcat(username, ".");
+ p = username + strlen(username);
+ len = min(get_princ_len(context, v5cred->client, 1),
+ MAXKTCNAMELEN - strlen(username) - 1);
+ strncpy(p, get_princ_str(context, v5cred->client, 1), len);
+ p[len] = '\0';
+ }
+#endif
+
+ memset(&token, 0, sizeof(struct ktc_token));
+
+ token.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
+ token.startTime = v5cred->times.starttime;;
+ token.endTime = v5cred->times.endtime;
+ if (tkt_DeriveDesKey(get_creds_enctype(v5cred), inkey, inkey_sz,
+ &token.sessionKey) != 0) {
+ return RXKADBADKEY;
+ }
+ token.ticketLen = v5cred->ticket.length;
+ memcpy(token.ticket, v5cred->ticket.data, token.ticketLen);
+
+ status = token_importRxkadViceId(tokenPtr, &token, 0);
+ if (status) {
+ return status;
+ }
+
+ if (username[0] != '\0')
+ *userPtr = strdup(username);
+
+ return 0;
+}
+
+/*!
+ * Convert a Keberos ticket to an rxkad token, using information obtained
+ * from an external Kerberos 5->4 conversion service. If the code is built
+ * with HAVE_NO_KRB5_524 then this is a stub function which will always
+ * return success without a token.
+ *
+ * @param[in] context
+ * An initialised Kerberos 5 context
+ * @param[in] v5cred
+ * A Kerberos credentials structure containing a suitable service ticket
+ * @param[out] tokenPtr
+ * An AFS token structure containing an rxkad token. This is a malloc'd
+ * structure which should be freed by the caller.
+ * @param[out[ userPtr
+ * A string containing the principal of the user to whom the token was
+ * issued. This is a malloc'd block which should be freed by the caller,
+ * if set.
+ *
+ * @returns
+ * 0 on success, an error value upon failure
+ */
+
+#ifdef HAVE_NO_KRB5_524
+static int
+rxkad_get_converted_token(krb5_context context, krb5_creds *v5cred,
+ struct ktc_tokenUnion **tokenPtr, char **userPtr) {
+ *tokenPtr = NULL;
+ *userPtr = NULL;
+
+ return 0;
+}
+#else
+static int
+rxkad_get_converted_token(krb5_context context, krb5_creds *v5cred,
+ struct ktc_tokenUnion **tokenPtr, char **userPtr) {
+ CREDENTIALS cred;
+ char username[BUFSIZ];
+ struct ktc_token token;
+ int status;
+
+ *tokenPtr = NULL;
+ *userPtr = NULL;
+
+ afs_dprintf("Using Kerberos 524 translator service\n");
+
+ status = krb5_524_convert_creds(context, v5cred, &cred);
+
+ if (status) {
+ afs_com_err(progname, status, "while converting tickets "
+ "to Kerberos V4 format");
+ return AKLOG_KERBEROS;
+ }
+
+ strcpy (username, cred.pname);
+ if (cred.pinst[0]) {
+ strcat (username, ".");
+ strcat (username, cred.pinst);
+ }
+
+ memset(&token, 0, sizeof(struct ktc_token));
+
+ token.kvno = cred.kvno;
+ token.startTime = cred.issue_date;
+ /*
+ * It seems silly to go through a bunch of contortions to
+ * extract the expiration time, when the v5 credentials already
+ * has the exact time! Let's use that instead.
+ *
+ * Note that this isn't a security hole, as the expiration time
+ * is also contained in the encrypted token
+ */
+ token.endTime = v5cred->times.endtime;
+ memcpy(&token.sessionKey, cred.session, 8);
+ token.ticketLen = cred.ticket_st.length;
+ memcpy(token.ticket, cred.ticket_st.dat, token.ticketLen);
+
+ status = token_importRxkadViceId(tokenPtr, &token, 0);
+ if (status) {
+ return status;
+ }
+
+ *userPtr = strdup(username);
+
+ return 0;
+}
+#endif
+
+/*!
+ * This function gets an rxkad token for a given cell.
+ *
+ * @param[in] context
+ * An initialized Kerberos v5 context
+ * @param[in] cell
+ * The cell information for the cell which we're obtaining a token for
+ * @param[in] realm
+ * The realm to look in for the service principal. If NULL, then the
+ * realm is determined from the cell name or the user's credentials
+ * (see the documentation for rxkad_get_ticket)
+ * @param[out] token
+ * The rxkad token produced. This is a malloc'd structure which should
+ * be freed by the caller.
+ * @parma[out] authuser
+ * A string containing the principal of the user to whom the token was
+ * issued. This is a malloc'd block which should be freed by the caller,
+ * if set.
+ * @param[out] foreign
+ * Whether the user is considered as 'foreign' to the realm of the cell.
+ *
+ * @returns
+ * 0 on success, an error value upon failuer
+ */
+static int
+rxkad_get_token(krb5_context context, struct afsconf_cell *cell, char *realm,
+ struct ktc_tokenUnion **token, char **authuser, int *foreign) {
+ krb5_creds *v5cred;
+ char *realmUsed = NULL;
+ char *username = NULL;
+ int status;
+
+ *token = NULL;
+ *authuser = NULL;
+ *foreign = 0;
+
+ status = rxkad_get_ticket(context, realm, cell, &v5cred, &realmUsed);
+ if (status)
+ return status;
+
+ if (do524)
+ status = rxkad_get_converted_token(context, v5cred, token, &username);
+ else
+ status = rxkad_build_native_token(context, v5cred, token, &username);
+
+ if (status)
+ goto out;
+
+ /* We now have the username, plus the realm name, so stitch them together
+ * to give us the name that the ptserver will know the user by */
+ if (realmUsed == NULL || username == NULL) {
+ *authuser = username;
+ username = NULL;
+ *foreign = 0;
+ } else {
+ if (asprintf(authuser, "%s@%s", username, realmUsed) < 0) {
+ fprintf(stderr, "%s: Out of memory building PTS name\n", progname);
+ *authuser = NULL;
+ status = AKLOG_MISC;
+ goto out;
+ }
+ *foreign = 1;
+ }
+
+out:
+ if (realmUsed)
+ free(realmUsed);
+ if (username)
+ free(username);
+
+ return status;
+}
+
/*
* Log to a cell. If the cell has already been logged to, return without
* doing anything. Otherwise, log to it and mark that it has been logged
* to.
*/
-static int auth_to_cell(krb5_context context, char *cell, char *realm)
+static int
+auth_to_cell(krb5_context context, const char *config,
+ char *cell, char *realm, char **linkedcell)
{
int status = AKLOG_SUCCESS;
- char username[BUFSIZ]; /* To hold client username structure */
+ int isForeign = 0;
+ char *username = NULL; /* To hold client username structure */
afs_int32 viceId; /* AFS uid of user */
- char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
- char *realm_from_princ = 0 ; /* Calculated realm data */
- char *realm_of_cell = 0; /* Pointer to realm we're using */
- int retry; /* round, and round we go ... */
-
- char local_cell[MAXCELLCHARS+1];
- char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
- static char lastcell[MAXCELLCHARS+1] = { 0 };
- static char confname[512] = { 0 };
- krb5_creds *v5cred = NULL;
- struct ktc_principal aserver;
- struct ktc_principal aclient;
- struct ktc_token atoken, btoken;
-
- memset(realm_of_user, 0, sizeof(realm_of_user));
-
- if (confname[0] == '\0') {
- strncpy(confname, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(confname));
- confname[sizeof(confname) - 2] = '\0';
- }
+ char *local_cell = NULL;
+ struct ktc_tokenUnion *rxkadToken = NULL;
+ struct ktc_setTokenData *token;
+ struct ktc_setTokenData *btoken = NULL;
+ struct afsconf_cell cellconf;
/* NULL or empty cell returns information on local cell */
- if ((status = get_cellconfig(cell, &ak_cellconfig,
- local_cell, linkedcell)))
+ if ((status = get_cellconfig(config, cell, &cellconf, &local_cell)))
return(status);
- strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
- cell_to_use[MAXCELLCHARS] = 0;
-
- if (ll_string(&authedcells, ll_s_check, cell_to_use)) {
- if (dflag) {
- printf("Already authenticated to %s (or tried to)\n",
- cell_to_use);
+ if (linkedcell != NULL) {
+ if (cellconf.linkedCell != NULL) {
+ *linkedcell = strdup(cellconf.linkedCell);
+ if (*linkedcell == NULL) {
+ status = ENOMEM;
+ goto out;
+ }
+ } else {
+ *linkedcell = NULL;
}
- return(AKLOG_SUCCESS);
}
- /*
+ if (ll_string(&authedcells, ll_s_check, cellconf.name)) {
+ afs_dprintf("Already authenticated to %s (or tried to)\n", cellconf.name);
+ status = AKLOG_SUCCESS;
+ goto out;
+ }
+
+ /*
* Record that we have attempted to log to this cell. We do this
* before we try rather than after so that we will not try
* and fail repeatedly for one cell.
*/
- (void)ll_string(&authedcells, ll_s_add, cell_to_use);
+ ll_string(&authedcells, ll_s_add, cellconf.name);
- /*
+ /*
* Record this cell in the list of zephyr subscriptions. We may
* want zephyr subscriptions even if authentication fails.
* If this is done after we attempt to get tokens, aklog -zsubs
* can return something different depending on whether or not we
* are in -noauth mode.
*/
- if (ll_string(&zsublist, ll_s_add, cell_to_use) == LL_FAILURE) {
- fprintf(stderr,
+ if (ll_string(&zsublist, ll_s_add, cellconf.name) == LL_FAILURE) {
+ fprintf(stderr,
"%s: failure adding cell %s to zephyr subscriptions list.\n",
- progname, cell_to_use);
+ progname, cellconf.name);
exit(AKLOG_MISC);
}
if (ll_string(&zsublist, ll_s_add, local_cell) == LL_FAILURE) {
- fprintf(stderr,
+ fprintf(stderr,
"%s: failure adding cell %s to zephyr subscriptions list.\n",
progname, local_cell);
exit(AKLOG_MISC);
}
if (!noauth) {
- if (dflag) {
- printf("Authenticating to cell %s (server %s).\n",
- cell_to_use, ak_cellconfig.hostName[0]);
- }
+ afs_dprintf("Authenticating to cell %s (server %s).\n", cellconf.name,
+ cellconf.hostName[0]);
- if ((status = get_user_realm(context, realm_of_user))) {
- fprintf(stderr, "%s: Couldn't determine realm of user:)",
- progname);
- afs_com_err(progname, status, " while getting realm");
- return(AKLOG_KERBEROS);
+ token = token_buildTokenJar(cellconf.name);
+ if (token == NULL) {
+ status = ENOMEM;
+ goto out;
}
- retry = 1;
-
- while(retry) {
-
- /* This code tries principals in the following, much debated,
- * order:
- *
- * If the realm is specified on the command line we do
- * - afs/cell@COMMAND-LINE-REALM
- * - afs@COMMAND-LINE-REALM
- *
- * Otherwise, we do
- * - afs/cell@REALM-FROM-USERS-PRINCIPAL
- * - afs/cell@krb5_get_host_realm(db-server)
- * Then, if krb5_get_host_realm(db-server) is non-empty
- * - afs@ krb5_get_host_realm(db-server)
- * Otherwise
- * - afs/cell@ upper-case-domain-of-db-server
- * - afs@ upper-case-domain-of-db-server
- *
- * In all cases, the 'afs@' variant is only tried where the
- * cell and the realm match case-insensitively.
- */
-
- /* Cell on command line - use that one */
- if (realm && realm[0]) {
- realm_of_cell = realm;
- status = AKLOG_TRYAGAIN;
- if (dflag) {
- printf("We were told to authenticate to realm %s.\n",
- realm);
- }
- } else {
- /* Initially, try using afs/cell@USERREALM */
- if (dflag) {
- printf("Trying to authenticate to user's realm %s.\n",
- realm_of_user);
- }
-
- realm_of_cell = realm_of_user;
- status = get_credv5(context, AFSKEY, cell_to_use,
- realm_of_cell, &v5cred);
-
- /* If that failed, try to determine the realm from the name of
- * one of the DB servers */
- if (TRYAGAIN(status)) {
- realm_of_cell = afs_realm_of_cell(context, &ak_cellconfig,
- FALSE);
- if (!realm_of_cell) {
- fprintf(stderr,
- "%s: Couldn't figure out realm for cell %s.\n",
- progname, cell_to_use);
- exit(AKLOG_MISC);
- }
-
- if (dflag) {
- if (realm_of_cell[0])
- printf("We've deduced that we need to authenticate"
- " to realm %s.\n", realm_of_cell);
- else
- printf("We've deduced that we need to authenticate "
- "using referrals.\n");
- }
- }
- }
-
- if (TRYAGAIN(status)) {
- /* If we've got the full-princ-first option, or we're in a
- * different realm from the cell - use the cell name as the
- * instance */
- if (AFS_TRY_FULL_PRINC ||
- strcasecmp(cell_to_use, realm_of_cell)!=0) {
- status = get_credv5(context, AFSKEY, cell_to_use,
- realm_of_cell, &v5cred);
-
- /* If we failed & we've got an empty realm, then try
- * calling afs_realm_for_cell again. */
- if (TRYAGAIN(status) && !realm_of_cell[0]) {
- /* This time, get the realm by taking the domain
- * component of the db server and make it upper case */
- realm_of_cell = afs_realm_of_cell(context,
- &ak_cellconfig, TRUE);
- if (!realm_of_cell) {
- fprintf(stderr,
- "%s: Couldn't figure out realm for cell "
- "%s.\n", progname, cell_to_use);
- exit(AKLOG_MISC);
- }
- if (dflag) {
- printf("We've deduced that we need to authenticate"
- " to realm %s.\n", realm_of_cell);
- }
- }
- status = get_credv5(context, AFSKEY, cell_to_use,
- realm_of_cell, &v5cred);
- }
-
- /* If the realm and cell name match, then try without an
- * instance, but only if realm is non-empty */
-
- if (TRYAGAIN(status) &&
- strcasecmp(cell_to_use, realm_of_cell) == 0) {
- status = get_credv5(context, AFSKEY, NULL,
- realm_of_cell, &v5cred);
- if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
- status = get_credv5(context, AFSKEY, cell_to_use,
- realm_of_cell, &v5cred);
- }
- }
- }
-
- /* Try to find a service principal for this cell.
- * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
- * the first attempt, so we try twice to be sure */
-
- if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
- retry++;
- else
- retry = 0;
- }
-
- if (status != 0) {
- if (dflag) {
- printf("Kerberos error code returned by get_cred : %d\n",
- status);
- }
- fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
- progname, cell_to_use);
- afs_com_err(progname, status, "while getting AFS tickets");
- return(AKLOG_KERBEROS);
- }
-
- /* If we've got a valid ticket, and we still don't know the realm name
- * try to figure it out from the contents of the ticket
- */
-#if !defined(USING_HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
- if (strcmp(realm_of_cell, "") == 0) {
- krb5_error_code code;
- krb5_ticket *ticket;
-
- code = krb5_decode_ticket(&v5cred->ticket, &ticket);
-
- if (code != 0) {
- fprintf(stderr,
- "%s: Couldn't decode ticket to determine realm for "
- "cell %s.\n",
- progname, cell_to_use);
- } else {
- int len = realm_len(context, ticket->server);
- /* This really shouldn't happen. */
- if (len > REALM_SZ-1)
- len = REALM_SZ-1;
-
- realm_from_princ = (char *) malloc(sizeof(char) * (len+1));
-
- strncpy(realm_from_princ, realm_data(context, ticket->server),
- len);
- realm_from_princ[len] = 0;
- realm_of_cell = realm_from_princ;
-
- krb5_free_ticket(context, ticket);
- }
+ status = rxkad_get_token(context, &cellconf, realm, &rxkadToken,
+ &username, &isForeign);
+ if (status)
+ goto out;
+
+ /* We need to keep the token structure around so that we can stick
+ * the viceId into it (once we know it) */
+ status = token_addToken(token, rxkadToken);
+ if (status) {
+ afs_dprintf("Add Token failed with %d", status);
+ goto out;
}
-#endif
-
- strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
- strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
- strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
-
- /*
- * The default is to use rxkad2b, which means we put in a full
- * V5 ticket. If the user specifies -524, we talk to the
- * 524 ticket converter.
- */
-
- if (! do524) {
- char k4name[ANAME_SZ], k4inst[INST_SZ], k4realm[REALM_SZ];
-#ifdef HAVE_NO_KRB5_524
- char *p;
- int len;
-#endif
-
- if (dflag)
- printf("Using Kerberos V5 ticket natively\n");
-
-#ifndef HAVE_NO_KRB5_524
- status = krb5_524_conv_principal (context, v5cred->client,
- (char *) &k4name,
- (char *) &k4inst,
- (char *) &k4realm);
- if (status) {
- afs_com_err(progname, status, "while converting principal "
- "to Kerberos V4 format");
- return(AKLOG_KERBEROS);
- }
- strcpy (username, k4name);
- if (k4inst[0]) {
- strcat (username, ".");
- strcat (username, k4inst);
- }
-#else
- len = min(get_princ_len(context, v5cred->client, 0),
- second_comp(context, v5cred->client) ?
- MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
- strncpy(username, get_princ_str(context, v5cred->client, 0), len);
- username[len] = '\0';
-
- if (second_comp(context, v5cred->client)) {
- strcat(username, ".");
- p = username + strlen(username);
- len = min(get_princ_len(context, v5cred->client, 1),
- MAXKTCNAMELEN - strlen(username) - 1);
- strncpy(p, get_princ_str(context, v5cred->client, 1), len);
- p[len] = '\0';
- }
-#endif
-
- memset(&atoken, 0, sizeof(atoken));
- atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
- atoken.startTime = v5cred->times.starttime;;
- atoken.endTime = v5cred->times.endtime;
- memcpy(&atoken.sessionKey, get_cred_keydata(v5cred),
- get_cred_keylen(v5cred));
- atoken.ticketLen = v5cred->ticket.length;
- memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
-#ifndef HAVE_NO_KRB5_524
- } else {
- CREDENTIALS cred;
-
- if (dflag)
- printf("Using Kerberos 524 translator service\n");
-
- status = krb5_524_convert_creds(context, v5cred, &cred);
- if (status) {
- afs_com_err(progname, status, "while converting tickets "
- "to Kerberos V4 format");
- return(AKLOG_KERBEROS);
- }
-
- strcpy (username, cred.pname);
- if (cred.pinst[0]) {
- strcat (username, ".");
- strcat (username, cred.pinst);
- }
-
- atoken.kvno = cred.kvno;
- atoken.startTime = cred.issue_date;
- /*
- * It seems silly to go through a bunch of contortions to
- * extract the expiration time, when the v5 credentials already
- * has the exact time! Let's use that instead.
- *
- * Note that this isn't a security hole, as the expiration time
- * is also contained in the encrypted token
- */
- atoken.endTime = v5cred->times.endtime;
- memcpy(&atoken.sessionKey, cred.session, 8);
- atoken.ticketLen = cred.ticket_st.length;
- memcpy(atoken.ticket, cred.ticket_st.dat, atoken.ticketLen);
-#endif /* HAVE_NO_KRB5_524 */
- }
-
if (!force &&
- !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)) {
-
- if (dflag) {
- printf("Identical tokens already exist; skipping.\n");
- }
- return 0;
+ ktc_GetTokenEx(cellconf.name, &btoken) == 0 &&
+ token_SetsEquivalent(token, btoken)) {
+
+ token_FreeSet(&btoken);
+ afs_dprintf("Identical tokens already exist; skipping.\n");
+ status = AKLOG_SUCCESS;
+ goto out;
}
+ if (btoken)
+ token_FreeSet(&btoken);
+
#ifdef FORCE_NOPRDB
noprdb = 1;
#endif
- if (noprdb) {
- if (dflag) {
- printf("Not resolving name %s to id (-noprdb set)\n",
- username);
- }
+ if (username == NULL) {
+ afs_dprintf("Not resolving name to id\n");
+ }
+ else if (noprdb) {
+ afs_dprintf("Not resolving name %s to id (-noprdb set)\n", username);
}
else {
- if (strcmp(realm_of_user, realm_of_cell)) {
- strcat(username, "@");
- strcat(username, realm_of_user);
- }
+ afs_dprintf("About to resolve name %s to id in cell %s.\n", username,
+ cellconf.name);
- if (dflag) {
- printf("About to resolve name %s to id in cell %s.\n",
- username, aserver.cell);
- }
+ if (!pr_Initialize (0, AFSDIR_CLIENT_ETC_DIRPATH, cellconf.name))
+ status = pr_SNameToId (username, &viceId);
- strcpy(lastcell, aserver.cell);
+ if (status)
+ afs_dprintf("Error %d\n", status);
+ else
+ afs_dprintf("Id %d\n", (int) viceId);
- if (!pr_Initialize (0, confname, aserver.cell))
- status = pr_SNameToId (username, &viceId);
-
- if (dflag) {
- if (status)
- printf("Error %d\n", status);
- else
- printf("Id %d\n", (int) viceId);
- }
-
- /*
- * This is a crock, but it is Transarc's crock, so
- * we have to play along in order to get the
- * functionality. The way the afs id is stored is
- * as a string in the username field of the token.
- * Contrary to what you may think by looking at
- * the code for tokens, this hack (AFS ID %d) will
- * not work if you change %d to something else.
- */
- /*
- * This code is taken from cklog -- it lets people
- * automatically register with the ptserver in foreign cells
- */
+ /*
+ * This code is taken from cklog -- it lets people
+ * automatically register with the ptserver in foreign cells
+ */
#ifdef ALLOW_REGISTER
- if ((status == 0) && (viceId == ANONYMOUSID) &&
- (strcmp(realm_of_user, realm_of_cell) != 0)) {
- if (dflag) {
- printf("doing first-time registration of %s "
- "at %s\n", username, cell_to_use);
- }
+ if ((status == 0) && (viceId == ANONYMOUSID) && isForeign) {
+ afs_dprintf("doing first-time registration of %s at %s\n",
+ username, cellconf.name);
viceId = 0;
- strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
- strcpy(aclient.instance, "");
- strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
- if ((status = ktc_SetToken(&aserver, &atoken, &aclient, 0))) {
+
+ status = ktc_SetTokenEx(token);
+ if (status) {
afs_com_err(progname, status,
"while obtaining tokens for cell %s",
- cell_to_use);
+ cellconf.name);
status = AKLOG_TOKEN;
}
/*
* In case you're wondering, we don't need to change the
* filename here because we're still connecting to the
- * same cell -- we're just using a different authentication
+ * same cell -- we're just using a different authenticat ion
* level
*/
- if ((status = pr_Initialize(1L, confname, aserver.cell))) {
+ if ((status = pr_Initialize(1L, AFSDIR_CLIENT_ETC_DIRPATH,
+ cellconf.name))) {
printf("Error %d\n", status);
}
if ((status = pr_CreateUser(username, &viceId))) {
fprintf(stderr, "%s: %s so unable to create remote PTS "
"user %s in cell %s (status: %d).\n", progname,
- afs_error_message(status), username, cell_to_use,
+ afs_error_message(status), username, cellconf.name,
status);
viceId = ANONYMOUSID;
} else {
printf("created cross-cell entry for %s (Id %d) at %s\n",
- username, viceId, cell_to_use);
+ username, viceId, cellconf.name);
}
}
#endif /* ALLOW_REGISTER */
if ((status == 0) && (viceId != ANONYMOUSID)) {
- sprintf(username, "AFS ID %d", (int) viceId);
+ status = token_setRxkadViceId(rxkadToken, viceId);
+ if (status) {
+ fprintf(stderr, "Error %d setting rxkad ViceId\n", status);
+ status = AKLOG_SUCCESS;
+ } else {
+ token_replaceToken(token, rxkadToken);
+ }
}
}
- if (dflag) {
- fprintf(stdout, "Set username to %s\n", username);
+ if (username) {
+ afs_dprintf("Setting tokens. %s @ %s\n",
+ username, cellconf.name);
+ } else {
+ afs_dprintf("Setting tokens for cell %s\n", cellconf.name);
}
- /* 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, username, MAXKTCNAMELEN - 1);
- strcpy(aclient.instance, "");
- strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
-
- if (dflag) {
- printf("Setting tokens. %s / %s @ %s \n",
- aclient.name, aclient.instance, aclient.cell );
- }
#ifndef AFS_AIX51_ENV
- /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
- * this routine, it will not add the token. It is not clear what
+ /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
+ * this routine, it will not add the token. It is not clear what
* is going on here! So we will do the following operation.
* On AIX 5, it causes the parent program to die, so we won't.
+ * We don't care about the return value, but need to collect it
+ * to avoid compiler warnings.
*/
- write(2,"",0); /* dummy write */
+ if (write(2,"",0) < 0) {
+ /* dummy write, don't care */
+ }
#endif
- if ((status = ktc_SetToken(&aserver, &atoken, &aclient, afssetpag))) {
- afs_com_err(progname, status, "while obtaining tokens for cell %s",
- cell_to_use);
+ token_setPag(token, afssetpag);
+ status = ktc_SetTokenEx(token);
+ if (status) {
+ afs_com_err(progname, status, "while setting tokens for cell %s",
+ cellconf.name);
status = AKLOG_TOKEN;
}
}
else
- if (dflag) {
- printf("Noauth mode; not authenticating.\n");
- }
-
+ afs_dprintf("Noauth mode; not authenticating.\n");
+
+out:
+ if (rxkadToken) {
+ token_freeToken(&rxkadToken);
+ }
+
+ if (local_cell)
+ free(local_cell);
+ if (username)
+ free(username);
+
return(status);
}
-static int get_afs_mountpoint(char *file, char *mountpoint, int size)
+static int
+get_afs_mountpoint(char *file, char *mountpoint, int size)
{
#ifdef AFS_SUN_ENV
- char V ='V'; /* AFS has problem on Sun with pioctl */
+ char V ='V'; /* AFS has problem on Sun with pioctl */
#endif
char our_file[MAXPATHLEN + 1];
char *parent_dir;
struct ViceIoctl vio;
char cellname[BUFSIZ];
- memset(our_file, 0, sizeof(our_file));
- strcpy(our_file, file);
+ strlcpy(our_file, file, sizeof(our_file));
if ((last_component = strrchr(our_file, DIR))) {
*last_component++ = 0;
else {
last_component = our_file;
parent_dir = ".";
- }
-
+ }
+
memset(cellname, 0, sizeof(cellname));
vio.in = last_component;
vio.in_size = strlen(file) + 1;
vio.out_size = sizeof(cellname);
vio.out = cellname;
-
+
if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1)) {
- strcat(cellname, VOLMARKERSTRING);
- strcat(cellname, mountpoint + 1);
+ strlcat(cellname, VOLMARKERSTRING, sizeof(cellname));
+ strlcat(cellname, mountpoint + 1, sizeof(cellname));
memset(mountpoint + 1, 0, size - 1);
strcpy(mountpoint + 1, cellname);
}
return(FALSE);
}
-/*
- * This routine each time it is called returns the next directory
+/*
+ * This routine each time it is called returns the next directory
* down a pathname. It resolves all symbolic links. The first time
* it is called, it should be called with the name of the path
* to be descended. After that, it should be called with the arguemnt
* NULL.
*/
-static char *next_path(char *origpath)
+static char *
+next_path(char *origpath)
{
static char path[MAXPATHLEN + 1];
static char pathtocheck[MAXPATHLEN + 1];
- int link = FALSE; /* Is this a symbolic link? */
+ ssize_t link; /* Return value from readlink */
char linkbuf[MAXPATHLEN + 1];
char tmpbuf[MAXPATHLEN + 1];
static char *elast_comp; /* End of last component */
char *t;
int len;
-
+
static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
-
+
/* If we are given something for origpath, we are initializing only. */
if (origpath) {
memset(path, 0, sizeof(path));
memset(pathtocheck, 0, sizeof(pathtocheck));
- strcpy(path, origpath);
+ strlcpy(path, origpath, sizeof(path));
last_comp = path;
symlinkcount = 0;
return(NULL);
}
/* We were not given origpath; find then next path to check */
-
+
/* If we've gotten all the way through already, return NULL */
if (last_comp == NULL)
return(NULL);
do {
while (*last_comp == DIR)
strncat(pathtocheck, last_comp++, 1);
- len = (elast_comp = strchr(last_comp, DIR))
+ len = (elast_comp = strchr(last_comp, DIR))
? elast_comp - last_comp : strlen(last_comp);
strncat(pathtocheck, last_comp, len);
memset(linkbuf, 0, sizeof(linkbuf));
- if ((link = (readlink(pathtocheck, linkbuf,
- sizeof(linkbuf)) > 0))) {
+ link = readlink(pathtocheck, linkbuf, sizeof(linkbuf)-1);
+
+ if (link > 0) {
+ linkbuf[link] = '\0'; /* NUL terminate string */
+
if (++symlinkcount > MAXSYMLINKS) {
fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
exit(AKLOG_BADPATH);
}
+
memset(tmpbuf, 0, sizeof(tmpbuf));
if (elast_comp)
- strcpy(tmpbuf, elast_comp);
+ strlcpy(tmpbuf, elast_comp, sizeof(tmpbuf));
if (linkbuf[0] == DIR) {
- /*
- * If this is a symbolic link to an absolute path,
+ /*
+ * If this is a symbolic link to an absolute path,
* replace what we have by the absolute path.
*/
memset(path, 0, strlen(path));
memset(pathtocheck, 0, sizeof(pathtocheck));
}
else {
- /*
- * If this is a symbolic link to a relative path,
+ /*
+ * If this is a symbolic link to a relative path,
* replace only the last component with the link name.
*/
strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
else
last_comp = elast_comp;
}
- while(link);
+ while(link > 0);
return(pathtocheck);
}
-#if 0
-/*****************************************/
-int dee_gettokens()
+static void
+add_hosts(char *file)
{
#ifdef AFS_SUN_ENV
- char V = 'V'; /* AFS has problem on SunOS */
-#endif
- struct ViceIoctl vio;
- char outbuf[BUFSIZ];
- long ind;
- int fd;
-
- memset(outbuf, 0, sizeof(outbuf));
-
- vio.out_size = sizeof(outbuf);
- vio.in_size = sizeof(ind);
- vio.out = outbuf;
- vio.in = &ind;
-
- ind = 0;
- fd = open("dee.tok",O_WRONLY);
- while(!pioctl(0,VIOCGETTOK,&vio,0)) {
- write(fd,&outbuf,sizeof(outbuf));
- ind++;
- }
- close(fd);
-}
-/*****************************************/
-#endif
-
-static void add_hosts(char *file)
-{
-#ifdef AFS_SUN_ENV
- char V = 'V'; /* AFS has problem on SunOS */
+ char V = 'V'; /* AFS has problem on SunOS */
#endif
struct ViceIoctl vio;
char outbuf[BUFSIZ];
int i;
struct hostent *hp;
struct in_addr in;
-
+
memset(outbuf, 0, sizeof(outbuf));
vio.out_size = sizeof(outbuf);
vio.in_size = 0;
vio.out = outbuf;
- if (dflag) {
- printf("Getting list of hosts for %s\n", file);
- }
+ afs_dprintf("Getting list of hosts for %s\n", file);
+
/* Don't worry about errors. */
if (!pioctl(file, VIOCWHEREIS, &vio, 1)) {
phosts = (long *) outbuf;
* If it is replicated on many servers, then none are included.
* This is not perfect, but the result is that people don't
* get subscribed to a lot of instances of FILSRV that they
- * probably won't need which reduces the instances of
+ * probably won't need which reduces the instances of
* people getting messages that don't apply to them.
*/
#ifndef ALLHOSTS
for (i = 0; phosts[i]; i++) {
if (hosts) {
in.s_addr = phosts[i];
- if (dflag) {
- printf("Got host %s\n", inet_ntoa(in));
- }
+ afs_dprintf("Got host %s\n", inet_ntoa(in));
ll_string(&hostlist, ll_s_add, (char *)inet_ntoa(in));
}
if (zsubs && (hp=gethostbyaddr((char *) &phosts[i],sizeof(long),AF_INET))) {
- if (dflag) {
- printf("Got host %s\n", hp->h_name);
- }
+ afs_dprintf("Got host %s\n", hp->h_name);
ll_string(&zsublist, ll_s_add, hp->h_name);
}
}
}
/*
- * This routine descends through a path to a directory, logging to
+ * This routine descends through a path to a directory, logging to
* every cell it encounters along the way.
*/
-static int auth_to_path(krb5_context context, char *path)
+static int
+auth_to_path(krb5_context context, const char *config, char *path)
{
int status = AKLOG_SUCCESS;
- int auth_to_cell_status = AKLOG_SUCCESS;
+ int auth_status = AKLOG_SUCCESS;
char *nextpath;
char pathtocheck[MAXPATHLEN + 1];
/* Initialize */
if (path[0] == DIR)
- strcpy(pathtocheck, path);
+ strlcpy(pathtocheck, path, sizeof(pathtocheck));
else {
if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL) {
fprintf(stderr, "Unable to find current working directory:\n");
exit(AKLOG_BADPATH);
}
else {
- strcat(pathtocheck, DIRSTRING);
- strcat(pathtocheck, path);
+ strlcat(pathtocheck, DIRSTRING, sizeof(pathtocheck));
+ strlcat(pathtocheck, path, sizeof(pathtocheck));
}
}
next_path(pathtocheck);
/* Go on to the next level down the path */
while ((nextpath = next_path(NULL))) {
- strcpy(pathtocheck, nextpath);
- if (dflag) {
- printf("Checking directory %s\n", pathtocheck);
- }
- /*
- * If this is an afs mountpoint, determine what cell from
- * the mountpoint name which is of the form
+ strlcpy(pathtocheck, nextpath, sizeof(pathtocheck));
+ afs_dprintf("Checking directory %s\n", pathtocheck);
+ /*
+ * If this is an afs mountpoint, determine what cell from
+ * the mountpoint name which is of the form
* #cellname:volumename or %cellname:volumename.
*/
if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint))) {
add_hosts(pathtocheck);
if ((endofcell = strchr(mountpoint, VOLMARKER))) {
*endofcell = '\0';
- if ((auth_to_cell_status = auth_to_cell(context, cell, NULL))) {
+ auth_status = auth_to_cell(context, config, cell, NULL, NULL);
+ if (auth_status) {
if (status == AKLOG_SUCCESS)
- status = auth_to_cell_status;
- else if (status != auth_to_cell_status)
+ status = auth_status;
+ else if (status != auth_status)
status = AKLOG_SOMETHINGSWRONG;
}
}
if (isdir(pathtocheck, &isdirectory) < 0) {
/*
* If we've logged and still can't stat, there's
- * a problem...
+ * a problem...
*/
- fprintf(stderr, "%s: stat(%s): %s\n", progname,
+ fprintf(stderr, "%s: stat(%s): %s\n", progname,
pathtocheck, strerror(errno));
return(AKLOG_BADPATH);
}
}
}
}
-
+
return(status);
}
/* Print usage message and exit */
-static void usage(void)
+static void
+usage(void)
{
fprintf(stderr, "\nUsage: %s %s%s%s\n", progname,
"[-d] [[-cell | -c] cell [-k krb_realm]] ",
exit(AKLOG_USAGE);
}
-int main(int argc, char *argv[])
+int
+main(int argc, char *argv[])
{
krb5_context context;
int status = AKLOG_SUCCESS;
extern char *progname; /* Name of this program */
- extern int dflag; /* Debug mode */
-
int cmode = FALSE; /* Cellname mode */
int pmode = FALSE; /* Path name mode */
linked_list cells; /* List of cells to log to */
linked_list paths; /* List of paths to log to */
ll_node *cur_node;
+ char *linkedcell;
+ const char *config = AFSDIR_CLIENT_ETC_DIRPATH;
memset(&cellinfo, 0, sizeof(cellinfo));
else
progname = argv[0];
- krb5_init_context(&context);
- initialize_ktc_error_table ();
+#if defined(KRB5_PROG_ETYPE_NOSUPP) && !(defined(HAVE_KRB5_ENCTYPE_ENABLE) || defined(HAVE_KRB5_ALLOW_WEAK_CRYPTO))
+ {
+ char *filepath = NULL, *newpath = NULL;
+#ifndef AFS_DARWIN_ENV
+ char *defaultpath = "/etc/krb5.conf:/etc/krb5/krb5.conf";
+#else
+ char *defaultpath = "~/Library/Preferences/edu.mit.Kerberos:/Library/Preferences/edu.mit.Kerberos";
+#endif
+ filepath = getenv("KRB5_CONFIG");
+
+ /* only fiddle with KRB5_CONFIG if krb5-weak.conf actually exists */
+ if (asprintf(&newpath, "%s/krb5-weak.conf",
+ AFSDIR_CLIENT_ETC_DIRPATH) < 0)
+ newpath = NULL;
+ if (newpath != NULL && access(newpath, R_OK) == 0) {
+ free(newpath);
+ newpath = NULL;
+ if (asprintf(&newpath, "%s:%s/krb5-weak.conf",
+ filepath ? filepath : defaultpath,
+ AFSDIR_CLIENT_ETC_DIRPATH) < 0)
+ newpath = NULL;
+ else
+ setenv("KRB5_CONFIG", newpath, 1);
+ }
+#endif
+ krb5_init_context(&context);
+
+#if defined(KRB5_PROG_ETYPE_NOSUPP) && !(defined(HAVE_KRB5_ENCTYPE_ENABLE) || defined(HAVE_KRB5_ALLOW_WEAK_CRYPTO))
+ if (newpath)
+ free(newpath);
+ if (filepath)
+ setenv("KRB5_CONFIG", filepath, 1);
+ else
+ unsetenv("KRB5_CONFIG");
+ }
+#endif
+ initialize_KTC_error_table ();
+ initialize_U_error_table();
+ initialize_RXK_error_table();
+ initialize_ACFG_error_table();
+ initialize_PT_error_table();
afs_set_com_err_hook(redirect_errors);
/*
* krb5_allow_weak_crypto is MIT Kerberos 1.8. krb5_enctype_enable is
* Heimdal.
*/
-#if defined(HAVE_KRB5_ALLOW_WEAK_CRYPTO)
- krb5_allow_weak_crypto(context, 1);
-#elif defined(HAVE_KRB5_ENCTYPE_ENABLE)
+#if defined(HAVE_KRB5_ENCTYPE_ENABLE)
i = krb5_enctype_valid(context, ETYPE_DES_CBC_CRC);
if (i)
krb5_enctype_enable(context, ETYPE_DES_CBC_CRC);
+#elif defined(HAVE_KRB5_ALLOW_WEAK_CRYPTO)
+ krb5_allow_weak_crypto(context, 1);
#endif
/* Initialize list of cells to which we have authenticated */
- (void)ll_init(&authedcells);
+ ll_init(&authedcells);
/* Parse commandline arguments and make list of what to do. */
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-d") == 0)
dflag++;
- else if (strcmp(argv[i], "-noauth") == 0)
+ else if (strcmp(argv[i], "-noauth") == 0)
noauth++;
else if (strcmp(argv[i], "-zsubs") == 0)
zsubs++;
(strcmp(argv[i], "-c") == 0)) && !pmode)
if (++i < argc) {
cmode++;
- strcpy(cell, argv[i]);
+ strlcpy(cell, argv[i], sizeof(cell));
}
else
usage();
(strcmp(argv[i], "-p") == 0)) && !cmode)
if (++i < argc) {
pmode++;
- strcpy(path, argv[i]);
+ strlcpy(path, argv[i], sizeof(path));
+ }
+ else
+ usage();
+ else if (strcmp(argv[i], "-config") == 0)
+ if (++i < argc) {
+ config = argv[i];
}
else
usage();
-
else if (argv[i][0] == '-')
usage();
else if (!pmode && !cmode) {
if (strchr(argv[i], DIR) || (strcmp(argv[i], ".") == 0) ||
(strcmp(argv[i], "..") == 0)) {
pmode++;
- strcpy(path, argv[i]);
+ strlcpy(path, argv[i], sizeof(path));
}
- else {
+ else {
cmode++;
- strcpy(cell, argv[i]);
+ strlcpy(cell, argv[i], sizeof(cell));
}
}
else
if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0)) {
i+=2;
if (i < argc)
- strcpy(realm, argv[i]);
+ strlcpy(realm, argv[i], sizeof(realm));
else
usage();
}
if ((new_cellinfo = copy_cellinfo(&cellinfo)))
ll_add_data(cur_node, new_cellinfo);
else {
- fprintf(stderr,
+ fprintf(stderr,
"%s: failure copying cellinfo.\n", progname);
exit(AKLOG_MISC);
}
}
}
- /*
- * The code that _used_ to be here called setpag(). When you think
- * about this, doing this makes no sense! setpag() allocates a PAG
- * only for the current process, so the token installed would have
- * not be usable in the parent! Since ktc_SetToken() now takes a
- * 4th argument to control whether or not we're going to allocate
- * a PAG (and since when you do it _that_ way, it modifies the cred
- * structure of your parent)), why don't we use that instead?
- */
-
-#if 0
- if (afssetpag) {
- status = setpag();
- if (dflag) {
- int i,j;
- int gidsetlen = 50;
- int gidset[50];
-
- printf("setpag %d\n",status);
- j = getgroups(gidsetlen,gidset);
- printf("Groups(%d):",j);
- for (i = 0; i<j; i++) {
- printf("%d",gidset[i]);
- if((i+1)<j) printf(",");
- }
- printf("\n");
- }
- }
-#endif
/* If nothing was given, log to the local cell. */
if ((cells.nelements + paths.nelements) == 0) {
- struct passwd *pwd;
-
- status = auth_to_cell(context, NULL, NULL);
-
- /* If this cell is linked to a DCE cell, and user
- * requested -linked, get tokens for both
- * This is very usefull when the AFS cell is linked to a DFS
- * cell and this system does not also have DFS.
- */
-
- if (!status && linked && linkedcell[0]) {
- strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
- if (dflag) {
- printf("Linked cell: %s\n", linkedcell);
- }
- status = auth_to_cell(context, linkedcell2, NULL);
- }
+ struct passwd *pwd;
- /*
- * Local hack - if the person has a file in their home
- * directory called ".xlog", read that for a list of
- * extra cells to authenticate to
- */
+ status = auth_to_cell(context, config, NULL, NULL, &linkedcell);
+
+ /* If this cell is linked to a DCE cell, and user requested -linked,
+ * get tokens for both. This is very useful when the AFS cell is
+ * linked to a DFS cell and this system does not also have DFS.
+ */
+
+ if (!status && linked && linkedcell != NULL) {
+ afs_dprintf("Linked cell: %s\n", linkedcell);
+ status = auth_to_cell(context, config, linkedcell, NULL, NULL);
+ }
+ if (linkedcell) {
+ free(linkedcell);
+ linkedcell = NULL;
+ }
- if ((pwd = getpwuid(getuid())) != NULL) {
- struct stat sbuf;
- FILE *f;
- char fcell[100], xlog_path[512];
+ /*
+ * Local hack - if the person has a file in their home
+ * directory called ".xlog", read that for a list of
+ * extra cells to authenticate to
+ */
- strcpy(xlog_path, pwd->pw_dir);
- strcat(xlog_path, "/.xlog");
+ if ((pwd = getpwuid(getuid())) != NULL) {
+ struct stat sbuf;
+ FILE *f;
+ char fcell[100], xlog_path[512];
- if ((stat(xlog_path, &sbuf) == 0) &&
- ((f = fopen(xlog_path, "r")) != NULL)) {
+ strlcpy(xlog_path, pwd->pw_dir, sizeof(xlog_path));
+ strlcat(xlog_path, "/.xlog", sizeof(xlog_path));
- if (dflag) {
- printf("Reading %s for cells to "
- "authenticate to.\n", xlog_path);
- }
+ if ((stat(xlog_path, &sbuf) == 0) &&
+ ((f = fopen(xlog_path, "r")) != NULL)) {
- while (fgets(fcell, 100, f) != NULL) {
- int auth_status;
+ afs_dprintf("Reading %s for cells to authenticate to.\n",
+ xlog_path);
- fcell[strlen(fcell) - 1] = '\0';
+ while (fgets(fcell, 100, f) != NULL) {
+ int auth_status;
- if (dflag) {
- printf("Found cell %s in %s.\n",
- fcell, xlog_path);
- }
+ fcell[strlen(fcell) - 1] = '\0';
- auth_status = auth_to_cell(context, fcell, NULL);
- if (status == AKLOG_SUCCESS)
- status = auth_status;
- else
- status = AKLOG_SOMETHINGSWRONG;
- }
- }
+ afs_dprintf("Found cell %s in %s.\n", fcell, xlog_path);
+
+ auth_status = auth_to_cell(context, config, fcell, NULL, NULL);
+ if (status == AKLOG_SUCCESS)
+ status = auth_status;
+ else
+ status = AKLOG_SOMETHINGSWRONG;
}
+ }
}
+ }
else {
/* Log to all cells in the cells list first */
for (cur_node = cells.first; cur_node; cur_node = cur_node->next) {
memcpy((char *)&cellinfo, cur_node->data, sizeof(cellinfo));
- if ((status = auth_to_cell(context, cellinfo.cell, cellinfo.realm)))
+ status = auth_to_cell(context, config, cellinfo.cell,
+ cellinfo.realm, &linkedcell);
+ if (status) {
somethingswrong++;
- else {
- if (linked && linkedcell[0]) {
- strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
- if (dflag) {
- printf("Linked cell: %s\n",
- linkedcell);
- }
- if ((status = auth_to_cell(context,linkedcell2,
- cellinfo.realm)))
- somethingswrong++;
- }
+ } else {
+ if (linked && linkedcell != NULL) {
+ afs_dprintf("Linked cell: %s\n", linkedcell);
+ status = auth_to_cell(context, config, linkedcell,
+ cellinfo.realm, NULL);
+ if (status)
+ somethingswrong++;
+ }
+ if (linkedcell != NULL) {
+ free(linkedcell);
+ linkedcell = NULL;
}
+ }
}
-
+
/* Then, log to all paths in the paths list */
for (cur_node = paths.first; cur_node; cur_node = cur_node->next) {
- if ((status = auth_to_path(context, cur_node->data)))
+ status = auth_to_path(context, config, cur_node->data);
+ if (status)
somethingswrong++;
}
-
- /*
- * If only one thing was logged to, we'll return the status
+
+ /*
+ * If only one thing was logged to, we'll return the status
* of the single call. Otherwise, we'll return a generic
* something failed status.
*/
}
/* If we are keeping track of zephyr subscriptions, print them. */
- if (zsubs)
+ if (zsubs)
for (cur_node = zsublist.first; cur_node; cur_node = cur_node->next) {
printf("zsub: %s\n", cur_node->data);
}
exit(status);
}
-static int isdir(char *path, unsigned char *val)
+static int
+isdir(char *path, unsigned char *val)
{
struct stat statbuf;
if (lstat(path, &statbuf) < 0)
return (-1);
else {
- if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
+ if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
*val = TRUE;
else
*val = FALSE;
return (0);
- }
+ }
}
-static krb5_error_code get_credv5_akimpersonate(krb5_context context,
- char* keytab,
- krb5_principal service_principal,
- krb5_principal client_principal,
- time_t starttime,
- time_t endtime,
- int *allowed_enctypes,
- int *paddress,
- krb5_creds** out_creds /* out */ )
+static krb5_error_code
+get_credv5_akimpersonate(krb5_context context,
+ char* keytab,
+ krb5_principal service_principal,
+ krb5_principal client_principal,
+ time_t starttime,
+ time_t endtime,
+ int *allowed_enctypes,
+ int *paddress,
+ krb5_creds** out_creds /* out */ )
{
#if defined(USING_HEIMDAL) || (defined(HAVE_ENCODE_KRB5_ENC_TKT) && defined(HAVE_ENCODE_KRB5_TICKET) && defined(HAVE_KRB5_C_ENCRYPT))
krb5_error_code code;
EncTicketPart enc_tkt_reply[1];
krb5_address address[30];
krb5_addresses faddr[1];
- int temp_vno[1];
+ unsigned int temp_vno[1];
time_t temp_time[2];
#else
krb5_ticket ticket_reply[1];
krb5_enc_tkt_part enc_tkt_reply[1];
krb5_address address[30], *faddr[30];
-#endif
krb5_data * temp;
+#endif
int i;
static int any_enctype[] = {0};
*out_creds = 0;
krb5_keytab_entry new[1];
int best = -1;
memset(new, 0, sizeof *new);
- if ((code == krb5_kt_start_seq_get(context, kt, cursor))) {
+ if ((code = krb5_kt_start_seq_get(context, kt, cursor))) {
afs_com_err(progname, code, "while starting keytab scan");
goto cleanup;
}
enc_tkt_reply->times.starttime = starttime; /* krb524init needs this */
enc_tkt_reply->times.endtime = endtime;
#endif /* USING_HEIMDAL */
- /* NB: We will discard address for now--ignoring caddr field
+ /* NB: We will discard address for now--ignoring caddr field
in any case. MIT branch does what it always did. */
if (paddress && *paddress) {
if(buf_len != buf_size) {
afs_com_err(progname, code,
- "%d != %d while encoding ticket (internal ASN.1 encoder error",
- buf_len, buf_size);
+ "%u != %u while encoding ticket (internal ASN.1 encoder error",
+ (unsigned int)buf_len, (unsigned int)buf_size);
goto cleanup;
}
what = "krb5_crypto_init";
}
} /* crypto block */
ticket_reply->enc_part.etype = deref_entry_enctype(entry);
- ticket_reply->enc_part.kvno = temp_vno;
+ ticket_reply->enc_part.kvno = (void *)temp_vno;
*ticket_reply->enc_part.kvno = entry->vno;
ticket_reply->tkt_vno = 5;
#else
krb5_kt_close(context, kt);
if (creds) krb5_free_creds(context, creds);
krb5_free_keyblock_contents(context, session_key);
-out:
return code;
#else
return -1;
}
-static krb5_error_code get_credv5(krb5_context context,
- char *name, char *inst, char *realm,
- krb5_creds **creds)
+static krb5_error_code
+get_credv5(krb5_context context, char *name, char *inst, char *realm,
+ krb5_creds **creds)
{
krb5_creds increds;
krb5_error_code r;
static krb5_principal client_principal = 0;
- if (dflag) {
- printf("Getting tickets: %s%s%s@%s\n", name, (inst && inst[0])
- ? "/" : "", inst ? inst : "", realm);
- }
-
+ afs_dprintf("Getting tickets: %s%s%s@%s\n", name,
+ (inst && inst[0]) ? "/" : "", inst ? inst : "", realm);
+
memset(&increds, 0, sizeof(increds));
/* ANL - instance may be ptr to a null string. Pass null then */
if ((r = krb5_build_principal(context, &increds.server,
strlen(realm), realm,
name,
- (inst && strlen(inst)) ? inst : (void *) NULL,
- (void *) NULL))) {
+ (inst && strlen(inst)) ? inst : NULL,
+ NULL))) {
return r;
}
-
+
if (!_krb425_ccache) {
r = krb5_cc_default(context, &_krb425_ccache);
if (r)
return r;
}
-
+
increds.client = client_principal;
increds.times.endtime = 0;
- /* Ask for DES since that is what V4 understands */
- get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
-
+ if (do524)
+ /* Ask for DES since that is what V4 understands */
+ get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
+
if (keytab) {
int allowed_enctypes[] = {
ENCTYPE_DES_CBC_CRC, 0
creds /* out */);
} else {
r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
- }
+ }
return r;
}
-static int get_user_realm(krb5_context context, char *realm)
+static int
+get_user_realm(krb5_context context, char **realm)
{
static krb5_principal client_principal = 0;
- int i;
krb5_error_code r = 0;
- if (!_krb425_ccache)
- krb5_cc_default(context, &_krb425_ccache);
+ *realm = NULL;
+
+ if (!_krb425_ccache) {
+ r = krb5_cc_default(context, &_krb425_ccache);
+ if (r)
+ return r;
+ }
if (!client_principal) {
if (client) {
r = krb5_parse_name(context, client, &client_principal);
return r;
}
- i = realm_len(context, client_principal);
- if (i > REALM_SZ-1) i = REALM_SZ-1;
- strncpy(realm,realm_data(context, client_principal), i);
- realm[i] = 0;
+ *realm = extract_realm(context, client_principal);
+ if (*realm == NULL)
+ return ENOMEM;
return(r);
}
git://git.openafs.org / openafs.git / blobdiff