*/
#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 <sys/stat.h>
-#include <fcntl.h>
+#include <roken.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 <ctype.h>
-#include <afs/stds.h>
#include <afs/ktc.h>
#include <afs/token.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>
#define AKLOG_BADPATH 6
#define AKLOG_MISC 7
-#ifndef NULL
-#define NULL 0
-#endif
-
#ifndef TRUE
#define TRUE 1
#endif
#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 (strncmp(str, "unknown", strlen("unknown")) == 0) {
#ifdef HAVE_KRB5_SVC_GET_MSG
krb5_svc_get_msg(code,&str);
+#elif defined(HAVE_KRB5_GET_ERROR_MESSAGE)
+ krb5_context context;
+ krb5_init_context(&context);
+ str = krb5_get_error_message(context, code);
+ krb5_free_context(context);
#else
- str = error_message(code);
+ ; /* IRIX apparently has neither: use the string we have */
#endif
}
fputs(str, stderr);
{
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)
+get_cellconfig(const char *config, char *cell,
+ struct afsconf_cell *cellconfig, char **local_cell)
{
int status = AKLOG_SUCCESS;
struct afsconf_dir *configdir;
exit(AKLOG_AFS);
}
- if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
+ if (!(configdir = afsconf_Open(config))) {
fprintf(stderr,
"%s: can't get afs configuration (afsconf_Open(%s))\n",
- progname, AFSDIR_CLIENT_ETC_DIRPATH);
+ progname, config);
exit(AKLOG_AFS);
}
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;
}
rxkad_build_native_token(krb5_context context, krb5_creds *v5cred,
struct ktc_tokenUnion **tokenPtr, char **userPtr) {
char username[BUFSIZ];
- struct ktc_tokenUnion *token;
- struct token_rxkad *rxkadToken;
+ struct ktc_token token;
+ int status;
#ifdef HAVE_NO_KRB5_524
char *p;
int len;
#else
- int status;
char k4name[ANAME_SZ];
char k4inst[INST_SZ];
char k4realm[REALM_SZ];
}
#endif
- token = malloc(sizeof(struct ktc_tokenUnion));
- if (token == NULL)
- return ENOMEM;
-
- memset(token, 0, sizeof(struct ktc_tokenUnion));
+ memset(&token, 0, sizeof(struct ktc_token));
- token->at_type = AFSTOKEN_UNION_KAD;
- rxkadToken = &token->ktc_tokenUnion_u.at_kad;
-
- rxkadToken->rk_kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
- rxkadToken->rk_begintime = v5cred->times.starttime;;
- rxkadToken->rk_endtime = v5cred->times.endtime;
- memcpy(&rxkadToken->rk_key, get_cred_keydata(v5cred),
+ token.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
+ token.startTime = v5cred->times.starttime;;
+ token.endTime = v5cred->times.endtime;
+ memcpy(&token.sessionKey, get_cred_keydata(v5cred),
get_cred_keylen(v5cred));
- rxkadToken->rk_ticket.rk_ticket_len = v5cred->ticket.length;
- rxkadToken->rk_ticket.rk_ticket_val = malloc(v5cred->ticket.length);
- if (rxkadToken->rk_ticket.rk_ticket_val == NULL) {
- free(token);
- return ENOMEM;
+ token.ticketLen = v5cred->ticket.length;
+ memcpy(token.ticket, v5cred->ticket.data, token.ticketLen);
+
+ status = token_importRxkadViceId(tokenPtr, &token, 0);
+ if (status) {
+ return status;
}
- memcpy(rxkadToken->rk_ticket.rk_ticket_val, v5cred->ticket.data,
- rxkadToken->rk_ticket.rk_ticket_len);
- *tokenPtr = token;
*userPtr = strdup(username);
return 0;
struct ktc_tokenUnion **tokenPtr, char **userPtr) {
CREDENTIALS cred;
char username[BUFSIZ];
- struct ktc_tokenUnion *token;
- struct token_rxkad *rxkadToken;
+ struct ktc_token token;
int status;
*tokenPtr = NULL;
strcat (username, cred.pinst);
}
- token = malloc(sizeof(struct ktc_tokenUnion));
- if (token == NULL)
- return ENOMEM;
- memset(token, 0, sizeof(struct ktc_tokenUnion));
+ memset(&token, 0, sizeof(struct ktc_token));
- token->at_type = AFSTOKEN_UNION_KAD;
-
- rxkadToken = &token->ktc_tokenUnion_u.at_kad;
- rxkadToken->rk_kvno = cred.kvno;
- rxkadToken->rk_begintime = cred.issue_date;
+ 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
* Note that this isn't a security hole, as the expiration time
* is also contained in the encrypted token
*/
- rxkadToken->rk_endtime = v5cred->times.endtime;
- memcpy(&rxkadToken->rk_key, cred.session, 8);
- rxkadToken->rk_ticket.rk_ticket_len = cred.ticket_st.length;
- rxkadToken->rk_ticket.rk_ticket_val = malloc(cred.ticket_st.length);
- if (rxkadToken->rk_ticket.rk_ticket_val == NULL) {
- free(token);
- return ENOMEM;
+ 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;
}
- memcpy(rxkadToken->rk_ticket.rk_ticket_val, cred.ticket_st.dat,
- rxkadToken->rk_ticket.rk_ticket_len);
- *tokenPtr = token;
*userPtr = strdup(username);
return 0;
char *realmUsed = NULL;
char *username = NULL;
int status;
- size_t len;
*token = NULL;
*authuser = NULL;
username = NULL;
*foreign = 0;
} else {
- len = strlen(username)+strlen(realmUsed)+2;
- *authuser = malloc(len);
- afs_snprintf(*authuser, len, "%s@%s", username, realmUsed);
+ asprintf(authuser, "%s@%s", username, realmUsed);
*foreign = 1;
}
* to.
*/
static int
-auth_to_cell(krb5_context context, char *cell, char *realm, char **linkedcell)
+auth_to_cell(krb5_context context, const char *config,
+ char *cell, char *realm, char **linkedcell)
{
int status = AKLOG_SUCCESS;
int isForeign = 0;
struct afsconf_cell cellconf;
/* NULL or empty cell returns information on local cell */
- if ((status = get_cellconfig(cell, &cellconf, &local_cell)))
+ if ((status = get_cellconfig(config, cell, &cellconf, &local_cell)))
return(status);
if (linkedcell != NULL) {
#endif /* ALLOW_REGISTER */
if ((status == 0) && (viceId != ANONYMOUSID)) {
- rxkadToken->ktc_tokenUnion_u.at_kad.rk_viceid = viceId;
- token_replaceToken(token, rxkadToken);
+ status = token_setRxkadViceId(rxkadToken, viceId);
+ if (status) {
+ fprintf(stderr, "Error %d setting rxkad ViceId\n", status);
+ status = AKLOG_SUCCESS;
+ } else {
+ token_replaceToken(token, rxkadToken);
+ }
}
}
out:
if (rxkadToken) {
- free(rxkadToken->ktc_tokenUnion_u.at_kad.rk_ticket.rk_ticket_val);
- free(rxkadToken);
+ token_freeToken(&rxkadToken);
}
if (local_cell)
? 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);
* every cell it encounters along the way.
*/
static int
-auth_to_path(krb5_context context, char *path)
+auth_to_path(krb5_context context, const char *config, char *path)
{
int status = AKLOG_SUCCESS;
int auth_status = AKLOG_SUCCESS;
add_hosts(pathtocheck);
if ((endofcell = strchr(mountpoint, VOLMARKER))) {
*endofcell = '\0';
- if ((auth_status = auth_to_cell(context, cell, NULL, NULL))) {
+ auth_status = auth_to_cell(context, config, cell, NULL, NULL);
+ if (auth_status) {
if (status == AKLOG_SUCCESS)
status = auth_status;
else if (status != auth_status)
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);
+#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";
+#else
+ char *defaultpath = "~/Library/Preferences/edu.mit.Kerberos:/Library/Preferences/edu.mit.Kerberos";
+#endif
+ filepath = getenv("KRB5_CONFIG");
+ asprintf(&newpath, "%s:%s/krb5-weak.conf",
+ filepath ? filepath : defaultpath,
+ AFSDIR_CLIENT_ETC_DIRPATH);
+ 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))
+ 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();
* 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 */
}
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 ((cells.nelements + paths.nelements) == 0) {
struct passwd *pwd;
- status = auth_to_cell(context, NULL, NULL, &linkedcell);
+ 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
if (!status && linked && linkedcell != NULL) {
afs_dprintf("Linked cell: %s\n", linkedcell);
- status = auth_to_cell(context, linkedcell, NULL, NULL);
+ status = auth_to_cell(context, config, linkedcell, NULL, NULL);
}
if (linkedcell) {
free(linkedcell);
afs_dprintf("Found cell %s in %s.\n", fcell, xlog_path);
- auth_status = auth_to_cell(context, fcell, NULL, NULL);
+ auth_status = auth_to_cell(context, config, fcell, NULL, NULL);
if (status == AKLOG_SUCCESS)
status = auth_status;
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,
- &linkedcell)))
+ status = auth_to_cell(context, config, cellinfo.cell,
+ cellinfo.realm, &linkedcell);
+ if (status) {
somethingswrong++;
- else {
+ } else {
if (linked && linkedcell != NULL) {
afs_dprintf("Linked cell: %s\n", linkedcell);
- if ((status = auth_to_cell(context, linkedcell,
- cellinfo.realm, NULL)))
+ status = auth_to_cell(context, config, linkedcell,
+ cellinfo.realm, NULL);
+ if (status)
somethingswrong++;
}
if (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++;
}
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];
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
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;
}
*realm = NULL;
- if (!_krb425_ccache)
- krb5_cc_default(context, &_krb425_ccache);
+ 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);