+++ /dev/null
-/*
- * Copyright (c) 2000 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 "hprop.h"
-
-extern krb5_error_code _hdb_mdb_value2entry(krb5_context context,
- krb5_data *data,
- krb5_kvno target_kvno,
- hdb_entry *entry);
-
-extern int _hdb_mit_dump2mitdb_entry(krb5_context context,
- char *line,
- krb5_storage *sp);
-
-
-
-/*
-can have any number of princ stanzas.
-format is as follows (only \n indicates newlines)
-princ\t%d\t (%d is KRB5_KDB_V1_BASE_LENGTH, always 38)
-%d\t (strlen of principal e.g. shadow/foo@ANDREW.CMU.EDU)
-%d\t (number of tl_data)
-%d\t (number of key data, e.g. how many keys for this user)
-%d\t (extra data length)
-%s\t (principal name)
-%d\t (attributes)
-%d\t (max lifetime, seconds)
-%d\t (max renewable life, seconds)
-%d\t (expiration, seconds since epoch or 2145830400 for never)
-%d\t (password expiration, seconds, 0 for never)
-%d\t (last successful auth, seconds since epoch)
-%d\t (last failed auth, per above)
-%d\t (failed auth count)
-foreach tl_data 0 to number of tl_data - 1 as above
- %d\t%d\t (data type, data length)
- foreach tl_data 0 to length-1
- %02x (tl data contents[element n])
- except if tl_data length is 0
- %d (always -1)
- \t
-foreach key 0 to number of keys - 1 as above
- %d\t%d\t (key data version, kvno)
- foreach version 0 to key data version - 1 (a key or a salt)
- %d\t%d\t(data type for this key, data length for this key)
- foreach key data length 0 to length-1
- %02x (key data contents[element n])
- except if key_data length is 0
- %d (always -1)
- \t
-foreach extra data length 0 to length - 1
- %02x (extra data part)
-unless no extra data
- %d (always -1)
-;\n
-
-*/
-
-static char *
-nexttoken(char **p)
-{
- char *q;
- do {
- q = strsep(p, " \t");
- } while(q && *q == '\0');
- return q;
-}
-
-#include <kadm5/admin.h>
-
-/* XXX: Principal names with '\n' cannot be dumped or loaded */
-static int
-my_fgetln(FILE *f, char **bufp, size_t *szp, size_t *lenp)
-{
- size_t len;
- size_t sz = *szp;
- char *buf = *bufp;
- char *p, *n;
-
- if (!buf) {
- buf = malloc(sz ? sz : 8192);
- if (!buf)
- return ENOMEM;
- if (!sz)
- sz = 8192;
- }
-
- len = 0;
- while ((p = fgets(&buf[len], sz-len, f)) != NULL) {
- len += strlen(&buf[len]);
- if (buf[len-1] == '\n')
- break;
- if (feof(f))
- break;
- if (sz > SIZE_MAX/2 ||
- (n = realloc(buf, sz += 1 + (sz >> 1))) == NULL) {
- free(buf);
- *bufp = NULL;
- *szp = 0;
- *lenp = 0;
- return ENOMEM;
- }
- buf = n;
- }
- *bufp = buf;
- *szp = sz;
- *lenp = len;
- return 0; /* *len == 0 || no EOL -> EOF */
-}
-
-int
-mit_prop_dump(void *arg, const char *file)
-{
- krb5_error_code ret;
- size_t line_bufsz = 0;
- size_t line_len = 0;
- char *line = NULL;
- int lineno = 0;
- FILE *f;
- struct hdb_entry_ex ent;
- struct prop_data *pd = arg;
- krb5_storage *sp = NULL;
- krb5_data kdb_ent;
-
- memset(&ent, 0, sizeof (ent));
- f = fopen(file, "r");
- if (f == NULL)
- return errno;
-
- ret = ENOMEM;
- sp = krb5_storage_emem();
- if (!sp)
- goto out;
- while ((ret = my_fgetln(f, &line, &line_bufsz, &line_len)) == 0 &&
- line_len > 0) {
- char *p = line;
- char *q;
-
- lineno++;
- if(strncmp(line, "kdb5_util", strlen("kdb5_util")) == 0) {
- int major;
- q = nexttoken(&p);
- if (strcmp(q, "kdb5_util") != 0)
- errx(1, "line %d: unknown version", lineno);
- q = nexttoken(&p); /* load_dump */
- if (strcmp(q, "load_dump") != 0)
- errx(1, "line %d: unknown version", lineno);
- q = nexttoken(&p); /* load_dump */
- if (strcmp(q, "version") != 0)
- errx(1, "line %d: unknown version", lineno);
- q = nexttoken(&p); /* x.0 */
- if (sscanf(q, "%d", &major) != 1)
- errx(1, "line %d: unknown version", lineno);
- if (major != 4 && major != 5 && major != 6)
- errx(1, "unknown dump file format, got %d, expected 4-6",
- major);
- continue;
- } else if(strncmp(p, "policy", strlen("policy")) == 0) {
- warnx("line: %d: ignoring policy (not supported)", lineno);
- continue;
- } else if(strncmp(p, "princ", strlen("princ")) != 0) {
- warnx("line %d: not a principal", lineno);
- continue;
- }
- krb5_storage_truncate(sp, 0);
- ret = _hdb_mit_dump2mitdb_entry(pd->context, line, sp);
- if (ret) {
- if (ret > 0)
- warn("line: %d: failed to parse; ignoring", lineno);
- else
- warnx("line: %d: failed to parse; ignoring", lineno);
- continue;
- }
- ret = krb5_storage_to_data(sp, &kdb_ent);
- if (ret) break;
- ret = _hdb_mdb_value2entry(pd->context, &kdb_ent, 0, &ent.entry);
- krb5_data_free(&kdb_ent);
- if (ret) {
- warnx("line: %d: failed to store; ignoring", lineno);
- continue;
- }
- ret = v5_prop(pd->context, NULL, &ent, arg);
- hdb_free_entry(pd->context, &ent);
- if (ret) break;
- }
-
-out:
- fclose(f);
- free(line);
- if (sp)
- krb5_storage_free(sp);
- if (ret && ret == ENOMEM)
- errx(1, "out of memory");
- if (ret)
- errx(1, "line %d: problem parsing dump line", lineno);
- return ret;
-}
-
git.samba.org / samba.git / blobdiff