diff options
Diffstat (limited to 'source4/heimdal')
-rw-r--r-- | source4/heimdal/lib/asn1/libasn1.h | 51 | ||||
-rw-r--r-- | source4/heimdal/lib/krb5/keytab_krb4.c | 458 |
2 files changed, 0 insertions, 509 deletions
diff --git a/source4/heimdal/lib/asn1/libasn1.h b/source4/heimdal/lib/asn1/libasn1.h deleted file mode 100644 index 64f554f2c8..0000000000 --- a/source4/heimdal/lib/asn1/libasn1.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* $Id: libasn1.h 15617 2005-07-12 06:27:42Z lha $ */ - -#ifndef __LIBASN1_H__ -#define __LIBASN1_H__ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include "krb5_asn1.h" -#include "der.h" -#include "asn1_err.h" -#include <parse_units.h> - -#endif /* __LIBASN1_H__ */ diff --git a/source4/heimdal/lib/krb5/keytab_krb4.c b/source4/heimdal/lib/krb5/keytab_krb4.c deleted file mode 100644 index 32bb00141a..0000000000 --- a/source4/heimdal/lib/krb5/keytab_krb4.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "krb5_locl.h" - -RCSID("$Id: keytab_krb4.c 22532 2008-01-27 11:59:18Z lha $"); - -struct krb4_kt_data { - char *filename; -}; - -static krb5_error_code -krb4_kt_resolve(krb5_context context, const char *name, krb5_keytab id) -{ - struct krb4_kt_data *d; - - d = malloc (sizeof(*d)); - if (d == NULL) { - krb5_set_error_string (context, "malloc: out of memory"); - return ENOMEM; - } - d->filename = strdup (name); - if (d->filename == NULL) { - free(d); - krb5_set_error_string (context, "malloc: out of memory"); - return ENOMEM; - } - id->data = d; - return 0; -} - -static krb5_error_code -krb4_kt_get_name (krb5_context context, - krb5_keytab id, - char *name, - size_t name_sz) -{ - struct krb4_kt_data *d = id->data; - - strlcpy (name, d->filename, name_sz); - return 0; -} - -static krb5_error_code -krb4_kt_close (krb5_context context, - krb5_keytab id) -{ - struct krb4_kt_data *d = id->data; - - free (d->filename); - free (d); - return 0; -} - -struct krb4_cursor_extra_data { - krb5_keytab_entry entry; - int num; -}; - -static int -open_flock(const char *filename, int flags, int mode) -{ - int lock_mode; - int tries = 0; - int fd = open(filename, flags, mode); - if(fd < 0) - return fd; - if((flags & O_ACCMODE) == O_RDONLY) - lock_mode = LOCK_SH | LOCK_NB; - else - lock_mode = LOCK_EX | LOCK_NB; - while(flock(fd, lock_mode) < 0) { - if(++tries < 5) { - sleep(1); - } else { - close(fd); - return -1; - } - } - return fd; -} - - - -static krb5_error_code -krb4_kt_start_seq_get_int (krb5_context context, - krb5_keytab id, - int flags, - krb5_kt_cursor *c) -{ - struct krb4_kt_data *d = id->data; - struct krb4_cursor_extra_data *ed; - int ret; - - ed = malloc (sizeof(*ed)); - if (ed == NULL) { - krb5_set_error_string (context, "malloc: out of memory"); - return ENOMEM; - } - ed->entry.principal = NULL; - ed->num = -1; - c->data = ed; - c->fd = open_flock (d->filename, flags, 0); - if (c->fd < 0) { - ret = errno; - free (ed); - krb5_set_error_string(context, "keytab krb5 open %s failed: %s", - d->filename, strerror(ret)); - return ret; - } - c->sp = krb5_storage_from_fd(c->fd); - if(c->sp == NULL) { - close(c->fd); - free(ed); - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - krb5_storage_set_eof_code(c->sp, KRB5_KT_END); - return 0; -} - -static krb5_error_code -krb4_kt_start_seq_get (krb5_context context, - krb5_keytab id, - krb5_kt_cursor *c) -{ - return krb4_kt_start_seq_get_int (context, id, O_BINARY | O_RDONLY, c); -} - -static krb5_error_code -read_v4_entry (krb5_context context, - struct krb4_kt_data *d, - krb5_kt_cursor *c, - struct krb4_cursor_extra_data *ed) -{ - unsigned char des_key[8]; - krb5_error_code ret; - char *service, *instance, *realm; - int8_t kvno; - - ret = krb5_ret_stringz(c->sp, &service); - if (ret) - return ret; - ret = krb5_ret_stringz(c->sp, &instance); - if (ret) { - free (service); - return ret; - } - ret = krb5_ret_stringz(c->sp, &realm); - if (ret) { - free (service); - free (instance); - return ret; - } - ret = krb5_425_conv_principal (context, service, instance, realm, - &ed->entry.principal); - free (service); - free (instance); - free (realm); - if (ret) - return ret; - ret = krb5_ret_int8(c->sp, &kvno); - if (ret) { - krb5_free_principal (context, ed->entry.principal); - return ret; - } - ret = krb5_storage_read(c->sp, des_key, sizeof(des_key)); - if (ret < 0) { - krb5_free_principal(context, ed->entry.principal); - return ret; - } - if (ret < 8) { - krb5_free_principal(context, ed->entry.principal); - return EINVAL; - } - ed->entry.vno = kvno; - ret = krb5_data_copy (&ed->entry.keyblock.keyvalue, - des_key, sizeof(des_key)); - if (ret) - return ret; - ed->entry.timestamp = time(NULL); - ed->num = 0; - return 0; -} - -static krb5_error_code -krb4_kt_next_entry (krb5_context context, - krb5_keytab id, - krb5_keytab_entry *entry, - krb5_kt_cursor *c) -{ - krb5_error_code ret; - struct krb4_kt_data *d = id->data; - struct krb4_cursor_extra_data *ed = c->data; - const krb5_enctype keytypes[] = {ETYPE_DES_CBC_MD5, - ETYPE_DES_CBC_MD4, - ETYPE_DES_CBC_CRC}; - - if (ed->num == -1) { - ret = read_v4_entry (context, d, c, ed); - if (ret) - return ret; - } - ret = krb5_kt_copy_entry_contents (context, - &ed->entry, - entry); - if (ret) - return ret; - entry->keyblock.keytype = keytypes[ed->num]; - if (++ed->num == 3) { - krb5_kt_free_entry (context, &ed->entry); - ed->num = -1; - } - return 0; -} - -static krb5_error_code -krb4_kt_end_seq_get (krb5_context context, - krb5_keytab id, - krb5_kt_cursor *c) -{ - struct krb4_cursor_extra_data *ed = c->data; - - krb5_storage_free (c->sp); - if (ed->num != -1) - krb5_kt_free_entry (context, &ed->entry); - free (c->data); - close (c->fd); - return 0; -} - -static krb5_error_code -krb4_store_keytab_entry(krb5_context context, - krb5_keytab_entry *entry, - krb5_storage *sp) -{ - krb5_error_code ret; -#define ANAME_SZ 40 -#define INST_SZ 40 -#define REALM_SZ 40 - char service[ANAME_SZ]; - char instance[INST_SZ]; - char realm[REALM_SZ]; - ret = krb5_524_conv_principal (context, entry->principal, - service, instance, realm); - if (ret) - return ret; - if (entry->keyblock.keyvalue.length == 8 - && entry->keyblock.keytype == ETYPE_DES_CBC_MD5) { - ret = krb5_store_stringz(sp, service); - ret = krb5_store_stringz(sp, instance); - ret = krb5_store_stringz(sp, realm); - ret = krb5_store_int8(sp, entry->vno); - ret = krb5_storage_write(sp, entry->keyblock.keyvalue.data, 8); - } - return 0; -} - -static krb5_error_code -krb4_kt_add_entry (krb5_context context, - krb5_keytab id, - krb5_keytab_entry *entry) -{ - struct krb4_kt_data *d = id->data; - krb5_storage *sp; - krb5_error_code ret; - int fd; - - fd = open_flock (d->filename, O_WRONLY | O_APPEND | O_BINARY, 0); - if (fd < 0) { - fd = open_flock (d->filename, - O_WRONLY | O_APPEND | O_BINARY | O_CREAT, 0600); - if (fd < 0) { - ret = errno; - krb5_set_error_string(context, "open(%s): %s", d->filename, - strerror(ret)); - return ret; - } - } - sp = krb5_storage_from_fd(fd); - if(sp == NULL) { - close(fd); - return ENOMEM; - } - krb5_storage_set_eof_code(sp, KRB5_KT_END); - ret = krb4_store_keytab_entry(context, entry, sp); - krb5_storage_free(sp); - if(close (fd) < 0) - return errno; - return ret; -} - -static krb5_error_code -krb4_kt_remove_entry(krb5_context context, - krb5_keytab id, - krb5_keytab_entry *entry) -{ - struct krb4_kt_data *d = id->data; - krb5_error_code ret; - krb5_keytab_entry e; - krb5_kt_cursor cursor; - krb5_storage *sp; - int remove_flag = 0; - - sp = krb5_storage_emem(); - if (sp == NULL) { - krb5_set_error_string(context, "malloc: out of memory"); - return ENOMEM; - } - ret = krb5_kt_start_seq_get(context, id, &cursor); - if (ret) { - krb5_storage_free(sp); - return ret; - } - while(krb5_kt_next_entry(context, id, &e, &cursor) == 0) { - if(!krb5_kt_compare(context, &e, entry->principal, - entry->vno, entry->keyblock.keytype)) { - ret = krb4_store_keytab_entry(context, &e, sp); - if(ret) { - krb5_kt_free_entry(context, &e); - krb5_storage_free(sp); - return ret; - } - } else - remove_flag = 1; - krb5_kt_free_entry(context, &e); - } - krb5_kt_end_seq_get(context, id, &cursor); - if(remove_flag) { - int fd; - unsigned char buf[1024]; - ssize_t n; - krb5_data data; - struct stat st; - - krb5_storage_to_data(sp, &data); - krb5_storage_free(sp); - - fd = open_flock (d->filename, O_RDWR | O_BINARY, 0); - if(fd < 0) { - memset(data.data, 0, data.length); - krb5_data_free(&data); - if(errno == EACCES || errno == EROFS) { - krb5_set_error_string(context, "failed to open %s for writing", - d->filename); - return KRB5_KT_NOWRITE; - } - return errno; - } - - if(write(fd, data.data, data.length) != data.length) { - memset(data.data, 0, data.length); - krb5_data_free(&data); - close(fd); - krb5_set_error_string(context, "failed writing to file %s", - d->filename); - return errno; - } - memset(data.data, 0, data.length); - if(fstat(fd, &st) < 0) { - krb5_data_free(&data); - close(fd); - krb5_set_error_string(context, "failed getting size of file %s", - d->filename); - return errno; - } - st.st_size -= data.length; - memset(buf, 0, sizeof(buf)); - while(st.st_size > 0) { - n = min(st.st_size, sizeof(buf)); - n = write(fd, buf, n); - if(n <= 0) { - krb5_data_free(&data); - close(fd); - krb5_set_error_string(context, "failed writing to file %s", - d->filename); - return errno; - - } - st.st_size -= n; - } - if(ftruncate(fd, data.length) < 0) { - krb5_data_free(&data); - close(fd); - krb5_set_error_string(context, "failed truncating file %s", - d->filename); - return errno; - } - krb5_data_free(&data); - if(close(fd) < 0) { - krb5_set_error_string(context, "error closing %s", - d->filename); - return errno; - } - return 0; - } else { - krb5_storage_free(sp); - krb5_set_error_string(context, "Keytab entry not found"); - return KRB5_KT_NOTFOUND; - } -} - - -const krb5_kt_ops krb4_fkt_ops = { - "krb4", - krb4_kt_resolve, - krb4_kt_get_name, - krb4_kt_close, - NULL, /* get */ - krb4_kt_start_seq_get, - krb4_kt_next_entry, - krb4_kt_end_seq_get, - krb4_kt_add_entry, /* add_entry */ - krb4_kt_remove_entry /* remove_entry */ -}; - -const krb5_kt_ops krb5_srvtab_fkt_ops = { - "SRVTAB", - krb4_kt_resolve, - krb4_kt_get_name, - krb4_kt_close, - NULL, /* get */ - krb4_kt_start_seq_get, - krb4_kt_next_entry, - krb4_kt_end_seq_get, - krb4_kt_add_entry, /* add_entry */ - krb4_kt_remove_entry /* remove_entry */ -}; |