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Diffstat (limited to 'source3/nsswitch/winbindd_cred_cache.c')
-rw-r--r--source3/nsswitch/winbindd_cred_cache.c66
1 files changed, 43 insertions, 23 deletions
diff --git a/source3/nsswitch/winbindd_cred_cache.c b/source3/nsswitch/winbindd_cred_cache.c
index 688c8828d3..b56003a469 100644
--- a/source3/nsswitch/winbindd_cred_cache.c
+++ b/source3/nsswitch/winbindd_cred_cache.c
@@ -25,7 +25,7 @@
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-#define MAX_CCACHES 100
+#define MAX_CCACHES 10000
static struct WINBINDD_CCACHE_ENTRY *ccache_list;
@@ -75,19 +75,24 @@ NTSTATUS remove_ccache_by_ccname(const char *ccname)
DLIST_REMOVE(ccache_list, entry);
TALLOC_FREE(entry->event); /* unregisters events */
#ifdef HAVE_MUNLOCK
- if (entry->pass) {
- size_t len = strlen(entry->pass)+1;
+ if (entry->nt_hash) {
+ size_t len = NT_HASH_LEN + LM_HASH_LEN;
+
+ if (entry->pass) {
+ len += strlen(entry->pass)+1;
+ }
+
#ifdef DEBUG_PASSWORD
- DEBUG(10,("unlocking memory: %p\n", entry->pass));
+ DEBUG(10,("unlocking memory: %p\n", entry->nt_hash));
#endif
- memset(entry->pass, 0, len);
- if ((munlock(entry->pass, len)) == -1) {
+ memset(entry->nt_hash, 0, len);
+ if ((munlock(entry->nt_hash, len)) == -1) {
DEBUG(0,("failed to munlock memory: %s (%d)\n",
strerror(errno), errno));
return map_nt_error_from_unix(errno);
}
#ifdef DEBUG_PASSWORD
- DEBUG(10,("munlocked memory: %p\n", entry->pass));
+ DEBUG(10,("munlocked memory: %p\n", entry->nt_hash));
#endif
}
#endif /* HAVE_MUNLOCK */
@@ -109,7 +114,6 @@ static void krb5_ticket_refresh_handler(struct timed_event *te,
time_t new_start;
struct timeval t;
-
DEBUG(10,("krb5_ticket_refresh_handler called\n"));
DEBUGADD(10,("event called for: %s, %s\n", entry->ccname, entry->username));
@@ -245,30 +249,47 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
NT_STATUS_HAVE_NO_MEMORY(new_entry->service);
}
- if (schedule_refresh_event && pass) {
-#ifdef HAVE_MLOCK
- size_t len = strlen(pass)+1;
-
- new_entry->pass = (char *)TALLOC_ZERO(mem_ctx, len);
- NT_STATUS_HAVE_NO_MEMORY(new_entry->pass);
+ if (pass) {
+ size_t len = NT_HASH_LEN + LM_HASH_LEN;
+
+ /* We only store the plaintext if we're going to
+ schedule a krb5 refresh. */
+
+ if (schedule_refresh_event) {
+ len += strlen(pass)+1;
+ }
+ /* new_entry->nt_hash is the base pointer for the block
+ of memory pointed into by new_entry->lm_hash and
+ new_entry->pass (if we're storing plaintext). */
+
+ new_entry->nt_hash = (unsigned char *)TALLOC_ZERO(mem_ctx, len);
+ NT_STATUS_HAVE_NO_MEMORY(new_entry->nt_hash);
+
+ new_entry->lm_hash = new_entry->nt_hash + NT_HASH_LEN;
+#ifdef HAVE_MLOCK
#ifdef DEBUG_PASSWORD
- DEBUG(10,("mlocking memory: %p\n", new_entry->pass));
+ DEBUG(10,("mlocking memory: %p\n", new_entry->nt_hash));
#endif
- if ((mlock(new_entry->pass, len)) == -1) {
+ if ((mlock(new_entry->nt_hash, len)) == -1) {
DEBUG(0,("failed to mlock memory: %s (%d)\n",
strerror(errno), errno));
return map_nt_error_from_unix(errno);
}
#ifdef DEBUG_PASSWORD
- DEBUG(10,("mlocked memory: %p\n", new_entry->pass));
+ DEBUG(10,("mlocked memory: %p\n", new_entry->nt_hash));
#endif
- memcpy(new_entry->pass, pass, len);
-#else
- new_entry->pass = talloc_strdup(mem_ctx, pass);
- NT_STATUS_HAVE_NO_MEMORY(new_entry->pass);
#endif /* HAVE_MLOCK */
+
+ /* Create and store the password hashes. */
+ E_md4hash(pass, new_entry->nt_hash);
+ E_deshash(pass, new_entry->lm_hash);
+
+ if (schedule_refresh_event) {
+ new_entry->pass = (char *)new_entry->lm_hash + LM_HASH_LEN;
+ memcpy(new_entry->pass, pass, len - NT_HASH_LEN - LM_HASH_LEN);
+ }
}
new_entry->create_time = create_time;
@@ -279,7 +300,6 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
}
new_entry->uid = uid;
-
if (schedule_refresh_event && renew_until > 0) {
struct timeval t = timeval_set((ticket_end -1 ), 0);
@@ -316,7 +336,7 @@ NTSTATUS init_ccache_list(void)
return NT_STATUS_OK;
}
- mem_ctx = talloc_init("winbindd_ccache_krb5_handling");
+ mem_ctx = talloc_init("winbindd_ccache_handling");
if (mem_ctx == NULL) {
return NT_STATUS_NO_MEMORY;
}