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-rw-r--r--src/tspi/rpc/hosttable.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/src/tspi/rpc/hosttable.c b/src/tspi/rpc/hosttable.c
new file mode 100644
index 0000000..f3ec2eb
--- /dev/null
+++ b/src/tspi/rpc/hosttable.c
@@ -0,0 +1,182 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "trousers/tss.h"
+#include "trousers_types.h"
+#include "tsplog.h"
+#include "hosttable.h"
+#include "obj.h"
+
+struct host_table *ht = NULL;
+
+TSS_RESULT
+host_table_init()
+{
+ ht = calloc(1, sizeof(struct host_table));
+ if (ht == NULL) {
+ LogError("malloc of %zd bytes failed.", sizeof(struct host_table));
+ return TSPERR(TSS_E_OUTOFMEMORY);
+ }
+
+ MUTEX_INIT(ht->lock);
+
+ return TSS_SUCCESS;
+}
+
+#ifdef SOLARIS
+#pragma init(_init)
+void _init(void)
+#else
+void __attribute__ ((constructor)) my_init(void)
+#endif
+{
+ host_table_init();
+ __tspi_obj_list_init();
+}
+
+void
+host_table_final()
+{
+ struct host_table_entry *hte, *next = NULL;
+
+ MUTEX_LOCK(ht->lock);
+
+ for (hte = ht->entries; hte; hte = next) {
+ if (hte)
+ next = hte->next;
+ if (hte->hostname)
+ free(hte->hostname);
+ if (hte->comm.buf)
+ free(hte->comm.buf);
+ free(hte);
+ }
+
+ MUTEX_UNLOCK(ht->lock);
+
+ free(ht);
+ ht = NULL;
+}
+
+#ifdef SOLARIS
+#pragma fini(_fini)
+void _fini(void)
+#else
+void __attribute__ ((destructor)) my_fini(void)
+#endif
+{
+ host_table_final();
+}
+
+TSS_RESULT
+__tspi_add_table_entry(TSS_HCONTEXT tspContext, BYTE *host, int type, struct host_table_entry **ret)
+{
+ struct host_table_entry *entry, *tmp;
+
+ entry = calloc(1, sizeof(struct host_table_entry));
+ if (entry == NULL) {
+ LogError("malloc of %zd bytes failed.", sizeof(struct host_table_entry));
+ return TSPERR(TSS_E_OUTOFMEMORY);
+ }
+
+ entry->tspContext = tspContext;
+ entry->hostname = host;
+ entry->type = type;
+ entry->comm.buf_size = TCSD_INIT_TXBUF_SIZE;
+ entry->comm.buf = calloc(1, entry->comm.buf_size);
+ if (entry->comm.buf == NULL) {
+ LogError("malloc of %u bytes failed.", entry->comm.buf_size);
+ free(entry);
+ return TSPERR(TSS_E_OUTOFMEMORY);
+ }
+ MUTEX_INIT(entry->lock);
+
+ MUTEX_LOCK(ht->lock);
+
+ for (tmp = ht->entries; tmp; tmp = tmp->next) {
+ if (tmp->tspContext == tspContext) {
+ LogError("Tspi_Context_Connect attempted on an already connected context!");
+ MUTEX_UNLOCK(ht->lock);
+ free(entry->hostname);
+ free(entry->comm.buf);
+ free(entry);
+ return TSPERR(TSS_E_CONNECTION_FAILED);
+ }
+ }
+
+ if( ht->entries == NULL ) {
+ ht->entries = entry;
+ } else {
+ for (tmp = ht->entries; tmp->next; tmp = tmp->next)
+ ;
+ tmp->next = entry;
+ }
+ MUTEX_UNLOCK(ht->lock);
+
+ *ret = entry;
+
+ return TSS_SUCCESS;
+}
+
+void
+remove_table_entry(TSS_HCONTEXT tspContext)
+{
+ struct host_table_entry *hte, *prev = NULL;
+
+ MUTEX_LOCK(ht->lock);
+
+ for (hte = ht->entries; hte; prev = hte, hte = hte->next) {
+ if (hte->tspContext == tspContext) {
+ if (prev != NULL)
+ prev->next = hte->next;
+ else
+ ht->entries = hte->next;
+ if (hte->hostname)
+ free(hte->hostname);
+ free(hte->comm.buf);
+ free(hte);
+ break;
+ }
+ }
+
+ MUTEX_UNLOCK(ht->lock);
+}
+
+struct host_table_entry *
+get_table_entry(TSS_HCONTEXT tspContext)
+{
+ struct host_table_entry *index = NULL;
+
+ MUTEX_LOCK(ht->lock);
+
+ for (index = ht->entries; index; index = index->next) {
+ if (index->tspContext == tspContext)
+ break;
+ }
+
+ if (index)
+ MUTEX_LOCK(index->lock);
+
+ MUTEX_UNLOCK(ht->lock);
+
+ return index;
+}
+
+void
+put_table_entry(struct host_table_entry *entry)
+{
+ if (entry)
+ MUTEX_UNLOCK(entry->lock);
+}
+