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-rw-r--r--third_party/heimdal/kadmin/load.c650
1 files changed, 650 insertions, 0 deletions
diff --git a/third_party/heimdal/kadmin/load.c b/third_party/heimdal/kadmin/load.c
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index 00000000000..971c24793c0
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+++ b/third_party/heimdal/kadmin/load.c
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+/*
+ * 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);
+}
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