+++ /dev/null
-/*
- * Copyright (c) 1997-2005 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 <limits.h>
-
-#include "kadmin_locl.h"
-#include "kadmin-commands.h"
-#include <kadm5/private.h>
-
-struct entry {
- char *principal;
- char *key;
- char *max_life;
- char *max_renew;
- char *created;
- char *modified;
- char *valid_start;
- char *valid_end;
- char *pw_end;
- char *flags;
- char *generation;
- char *extensions;
-};
-
-static char *
-skip_next(char *p)
-{
- while(*p && !isspace((unsigned char)*p))
- p++;
- *p++ = 0;
- while(*p && isspace((unsigned char)*p))
- p++;
- return p;
-}
-
-/*
- * Parse the time in `s', returning:
- * -1 if error parsing
- * 0 if none present
- * 1 if parsed ok
- */
-
-static int
-parse_time_string(time_t *t, const char *s)
-{
- int year, month, date, hour, minute, second;
- struct tm tm;
-
- if(strcmp(s, "-") == 0)
- return 0;
- if(sscanf(s, "%04d%02d%02d%02d%02d%02d",
- &year, &month, &date, &hour, &minute, &second) != 6)
- return -1;
- tm.tm_year = year - 1900;
- tm.tm_mon = month - 1;
- tm.tm_mday = date;
- tm.tm_hour = hour;
- tm.tm_min = minute;
- tm.tm_sec = second;
- tm.tm_isdst = 0;
- *t = timegm(&tm);
- return 1;
-}
-
-/*
- * parse time, allocating space in *t if it's there
- */
-
-static int
-parse_time_string_alloc (time_t **t, const char *s)
-{
- time_t tmp;
- int ret;
-
- *t = NULL;
- ret = parse_time_string (&tmp, s);
- if (ret == 1) {
- *t = malloc (sizeof (**t));
- if (*t == NULL)
- krb5_errx (context, 1, "malloc: out of memory");
- **t = tmp;
- }
- return ret;
-}
-
-/*
- * see parse_time_string for calling convention
- */
-
-static int
-parse_integer(unsigned int *u, const char *s)
-{
- if(strcmp(s, "-") == 0)
- return 0;
- if (sscanf(s, "%u", u) != 1)
- return -1;
- return 1;
-}
-
-static int
-parse_integer_alloc (unsigned int **u, const char *s)
-{
- unsigned int tmp;
- int ret;
-
- *u = NULL;
- ret = parse_integer (&tmp, s);
- if (ret == 1) {
- *u = malloc (sizeof (**u));
- if (*u == NULL)
- krb5_errx (context, 1, "malloc: out of memory");
- **u = tmp;
- }
- return ret;
-}
-
-/*
- * Parse dumped keys in `str' and store them in `ent'
- * return -1 if parsing failed
- */
-
-static int
-parse_keys(hdb_entry *ent, char *str)
-{
- krb5_error_code ret;
- int tmp;
- char *p;
- size_t i;
-
- p = strsep(&str, ":");
- if (sscanf(p, "%d", &tmp) != 1)
- return 1;
- ent->kvno = tmp;
- p = strsep(&str, ":");
- while(p){
- Key *key;
- key = realloc(ent->keys.val,
- (ent->keys.len + 1) * sizeof(*ent->keys.val));
- if(key == NULL)
- krb5_errx (context, 1, "realloc: out of memory");
- ent->keys.val = key;
- key = ent->keys.val + ent->keys.len;
- ent->keys.len++;
- memset(key, 0, sizeof(*key));
- if(sscanf(p, "%d", &tmp) == 1) {
- key->mkvno = malloc(sizeof(*key->mkvno));
- *key->mkvno = tmp;
- } else
- key->mkvno = NULL;
- p = strsep(&str, ":");
- if (sscanf(p, "%d", &tmp) != 1)
- return 1;
- key->key.keytype = tmp;
- p = strsep(&str, ":");
- ret = krb5_data_alloc(&key->key.keyvalue, (strlen(p) - 1) / 2 + 1);
- if (ret)
- krb5_err (context, 1, ret, "krb5_data_alloc");
- for(i = 0; i < strlen(p); i += 2) {
- if(sscanf(p + i, "%02x", &tmp) != 1)
- return 1;
- ((u_char*)key->key.keyvalue.data)[i / 2] = tmp;
- }
- p = strsep(&str, ":");
- if(strcmp(p, "-") != 0){
- unsigned type;
- size_t p_len;
-
- if(sscanf(p, "%u/", &type) != 1)
- return 1;
- p = strchr(p, '/');
- if(p == NULL)
- return 1;
- p++;
- p_len = strlen(p);
-
- key->salt = calloc(1, sizeof(*key->salt));
- if (key->salt == NULL)
- krb5_errx (context, 1, "malloc: out of memory");
- key->salt->type = type;
-
- if (p_len) {
- if(*p == '\"') {
- ret = krb5_data_copy(&key->salt->salt, p + 1, p_len - 2);
- if (ret)
- krb5_err (context, 1, ret, "krb5_data_copy");
- } else {
- ret = krb5_data_alloc(&key->salt->salt,
- (p_len - 1) / 2 + 1);
- if (ret)
- krb5_err (context, 1, ret, "krb5_data_alloc");
- for(i = 0; i < p_len; i += 2){
- if (sscanf(p + i, "%02x", &tmp) != 1)
- return 1;
- ((u_char*)key->salt->salt.data)[i / 2] = tmp;
- }
- }
- } else
- krb5_data_zero (&key->salt->salt);
- }
- p = strsep(&str, ":");
- }
- return 0;
-}
-
-/*
- * see parse_time_string for calling convention
- */
-
-static int
-parse_event(Event *ev, char *s)
-{
- krb5_error_code ret;
- char *p;
-
- if(strcmp(s, "-") == 0)
- return 0;
- memset(ev, 0, sizeof(*ev));
- p = strsep(&s, ":");
- if(parse_time_string(&ev->time, p) != 1)
- return -1;
- p = strsep(&s, ":");
- ret = krb5_parse_name(context, p, &ev->principal);
- if (ret)
- return -1;
- return 1;
-}
-
-static int
-parse_event_alloc (Event **ev, char *s)
-{
- Event tmp;
- int ret;
-
- *ev = NULL;
- ret = parse_event (&tmp, s);
- if (ret == 1) {
- *ev = malloc (sizeof (**ev));
- if (*ev == NULL)
- krb5_errx (context, 1, "malloc: out of memory");
- **ev = tmp;
- }
- return ret;
-}
-
-static int
-parse_hdbflags2int(HDBFlags *f, const char *s)
-{
- int ret;
- unsigned int tmp;
-
- ret = parse_integer (&tmp, s);
- if (ret == 1)
- *f = int2HDBFlags (tmp);
- return ret;
-}
-
-static int
-parse_generation(char *str, GENERATION **gen)
-{
- char *p;
- int v;
-
- if(strcmp(str, "-") == 0 || *str == '\0') {
- *gen = NULL;
- return 0;
- }
- *gen = calloc(1, sizeof(**gen));
-
- p = strsep(&str, ":");
- if(parse_time_string(&(*gen)->time, p) != 1)
- return -1;
- p = strsep(&str, ":");
- if(sscanf(p, "%d", &v) != 1)
- return -1;
- (*gen)->usec = v;
- p = strsep(&str, ":");
- if(sscanf(p, "%d", &v) != 1)
- return -1;
- (*gen)->gen = v - 1; /* XXX gets bumped in _hdb_store */
- return 0;
-}
-
-/* On error modify strp to point to the problem element */
-static int
-parse_extensions(char **strp, HDB_extensions **e)
-{
- char *str = *strp;
- char *p;
- int ret;
-
- if(strcmp(str, "-") == 0 || *str == '\0') {
- *e = NULL;
- return 0;
- }
- *e = calloc(1, sizeof(**e));
-
- p = strsep(&str, ":");
-
- while (p) {
- HDB_extension ext;
- ssize_t len;
- void *d;
-
- len = strlen(p);
- d = emalloc(len);
-
- len = hex_decode(p, d, len);
- if (len < 0) {
- free(d);
- *strp = p;
- return -1;
- }
-
- ret = decode_HDB_extension(d, len, &ext, NULL);
- free(d);
- if (ret) {
- *strp = p;
- return -1;
- }
- d = realloc((*e)->val, ((*e)->len + 1) * sizeof((*e)->val[0]));
- if (d == NULL)
- abort();
- (*e)->val = d;
- (*e)->val[(*e)->len] = ext;
- (*e)->len++;
-
- p = strsep(&str, ":");
- }
-
- return 0;
-}
-
-/* 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 */
-}
-
-/*
- * Parse the dump file in `filename' and create the database (merging
- * iff merge)
- */
-
-static int
-doit(const char *filename, int mergep)
-{
- krb5_error_code ret = 0;
- krb5_error_code ret2 = 0;
- FILE *f;
- char *line = NULL;
- size_t linesz = 0;
- size_t linelen = 0;
- char *p;
- int lineno;
- int flags = O_RDWR;
- struct entry e;
- hdb_entry_ex ent;
- HDB *db = _kadm5_s_get_db(kadm_handle);
-
- f = fopen(filename, "r");
- if (f == NULL) {
- krb5_warn(context, errno, "fopen(%s)", filename);
- return 1;
- }
- /*
- * We don't have a version number in the dump, so we don't know which iprop
- * log entries to keep, if any. We throw the log away.
- *
- * We could merge the ipropd-master/slave dump/load here as an option, in
- * which case we would first load the dump.
- *
- * If we're merging, first recover unconfirmed records in the existing log.
- */
- if (mergep)
- ret = kadm5_log_init(kadm_handle);
- if (ret == 0)
- ret = kadm5_log_reinit(kadm_handle, 0);
- if (ret) {
- fclose (f);
- krb5_warn(context, ret, "kadm5_log_reinit");
- return 1;
- }
-
- if (!mergep)
- flags |= O_CREAT | O_TRUNC;
- ret = db->hdb_open(context, db, flags, 0600);
- if (ret){
- krb5_warn(context, ret, "hdb_open");
- fclose(f);
- return 1;
- }
- (void) db->hdb_set_sync(context, db, 0);
- for (lineno = 1;
- (ret2 = my_fgetln(f, &line, &linesz, &linelen)) == 0 && linelen > 0;
- ++lineno) {
- p = line;
- while (isspace((unsigned char)*p))
- p++;
-
- e.principal = p;
- for (p = line; *p; p++){
- if (*p == '\\') /* Support '\n' escapes??? */
- p++;
- else if (isspace((unsigned char)*p)) {
- *p = 0;
- break;
- }
- }
- p = skip_next(p);
-
- e.key = p;
- p = skip_next(p);
-
- e.created = p;
- p = skip_next(p);
-
- e.modified = p;
- p = skip_next(p);
-
- e.valid_start = p;
- p = skip_next(p);
-
- e.valid_end = p;
- p = skip_next(p);
-
- e.pw_end = p;
- p = skip_next(p);
-
- e.max_life = p;
- p = skip_next(p);
-
- e.max_renew = p;
- p = skip_next(p);
-
- e.flags = p;
- p = skip_next(p);
-
- e.generation = p;
- p = skip_next(p);
-
- e.extensions = p;
- skip_next(p);
-
- memset(&ent, 0, sizeof(ent));
- ret2 = krb5_parse_name(context, e.principal, &ent.entry.principal);
- if (ret2) {
- const char *msg = krb5_get_error_message(context, ret);
- fprintf(stderr, "%s:%d:%s (%s)\n",
- filename, lineno, msg, e.principal);
- krb5_free_error_message(context, msg);
- ret = 1;
- continue;
- }
-
- if (parse_keys(&ent.entry, e.key)) {
- fprintf (stderr, "%s:%d:error parsing keys (%s)\n",
- filename, lineno, e.key);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- if (parse_event(&ent.entry.created_by, e.created) == -1) {
- fprintf (stderr, "%s:%d:error parsing created event (%s)\n",
- filename, lineno, e.created);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
- if (parse_event_alloc (&ent.entry.modified_by, e.modified) == -1) {
- fprintf (stderr, "%s:%d:error parsing event (%s)\n",
- filename, lineno, e.modified);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
- if (parse_time_string_alloc (&ent.entry.valid_start, e.valid_start) == -1) {
- fprintf (stderr, "%s:%d:error parsing time (%s)\n",
- filename, lineno, e.valid_start);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
- if (parse_time_string_alloc (&ent.entry.valid_end, e.valid_end) == -1) {
- fprintf (stderr, "%s:%d:error parsing time (%s)\n",
- filename, lineno, e.valid_end);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
- if (parse_time_string_alloc (&ent.entry.pw_end, e.pw_end) == -1) {
- fprintf (stderr, "%s:%d:error parsing time (%s)\n",
- filename, lineno, e.pw_end);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- if (parse_integer_alloc (&ent.entry.max_life, e.max_life) == -1) {
- fprintf (stderr, "%s:%d:error parsing lifetime (%s)\n",
- filename, lineno, e.max_life);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
-
- }
- if (parse_integer_alloc (&ent.entry.max_renew, e.max_renew) == -1) {
- fprintf (stderr, "%s:%d:error parsing lifetime (%s)\n",
- filename, lineno, e.max_renew);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- if (parse_hdbflags2int (&ent.entry.flags, e.flags) != 1) {
- fprintf (stderr, "%s:%d:error parsing flags (%s)\n",
- filename, lineno, e.flags);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- if(parse_generation(e.generation, &ent.entry.generation) == -1) {
- fprintf (stderr, "%s:%d:error parsing generation (%s)\n",
- filename, lineno, e.generation);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- if (parse_extensions(&e.extensions, &ent.entry.extensions) == -1) {
- fprintf (stderr, "%s:%d:error parsing extension (%s)\n",
- filename, lineno, e.extensions);
- hdb_free_entry (context, &ent);
- ret = 1;
- continue;
- }
-
- ret2 = db->hdb_store(context, db, HDB_F_REPLACE, &ent);
- hdb_free_entry (context, &ent);
- if (ret2) {
- krb5_warn(context, ret2, "db_store");
- break;
- }
- }
- free(line);
- if (ret2)
- ret = ret2;
- ret2 = db->hdb_set_sync(context, db, 1);
- if (ret2) {
- krb5_err(context, 1, ret2, "failed to sync the HDB");
- ret = ret2;
- }
- (void) kadm5_log_end(kadm_handle);
- ret2 = db->hdb_close(context, db);
- if (ret2)
- ret = ret2;
- fclose(f);
- return ret != 0;
-}
-
-
-extern int local_flag;
-
-static int
-loadit(int mergep, const char *name, int argc, char **argv)
-{
- if(!local_flag) {
- krb5_warnx(context, "%s is only available in local (-l) mode", name);
- return 0;
- }
-
- return doit(argv[0], mergep);
-}
-
-int
-load(void *opt, int argc, char **argv)
-{
- return loadit(0, "load", argc, argv);
-}
-
-int
-merge(void *opt, int argc, char **argv)
-{
- return loadit(1, "merge", argc, argv);
-}
git.samba.org / samba.git / blobdiff