7 #include <trp_internal.h>
9 int trp_connection_get_fd(TRP_CONNECTION *conn)
14 void trp_connection_set_fd(TRP_CONNECTION *conn, int fd)
19 TR_NAME *trp_connection_get_gssname(TRP_CONNECTION *conn)
24 void trp_connection_set_gssname(TRP_CONNECTION *conn, TR_NAME *gssname)
26 conn->gssname=gssname;
29 gss_ctx_id_t *trp_connection_get_gssctx(TRP_CONNECTION *conn)
34 void trp_connection_set_gssctx(TRP_CONNECTION *conn, gss_ctx_id_t *gssctx)
39 TRP_CONNECTION_STATUS trp_connection_get_status(TRP_CONNECTION *conn)
41 TRP_CONNECTION_STATUS status;
42 pthread_mutex_lock(&(conn->status_mutex));
44 pthread_mutex_unlock(&(conn->status_mutex));
48 static void trp_connection_set_status(TRP_CONNECTION *conn, TRP_CONNECTION_STATUS status)
50 pthread_mutex_lock(&(conn->status_mutex));
52 pthread_mutex_unlock(&(conn->status_mutex));
55 pthread_t *trp_connection_get_thread(TRP_CONNECTION *conn)
60 void trp_connection_set_thread(TRP_CONNECTION *conn, pthread_t *thread)
65 TRP_CONNECTION *trp_connection_get_next(TRP_CONNECTION *conn)
70 static void trp_connection_set_next(TRP_CONNECTION *conn, TRP_CONNECTION *next)
75 /* Ok to call more than once; guarantees connection no longer in the list.
76 * Returns handle to new list, you must replace your old handle on the list with this. */
77 TRP_CONNECTION *trp_connection_remove(TRP_CONNECTION *conn, TRP_CONNECTION *remove)
79 TRP_CONNECTION *cur=conn;
80 TRP_CONNECTION *last=NULL;
85 /* first element is a special case */
87 conn=trp_connection_get_next(cur); /* advance list head */
88 trp_connection_free(cur);
90 /* it was not the first element */
92 cur=trp_connection_get_next(cur);
95 trp_connection_set_next(last, trp_connection_get_next(cur));
96 trp_connection_free(cur);
100 cur=trp_connection_get_next(cur);
106 static TRP_CONNECTION *trp_connection_get_tail(TRP_CONNECTION *conn)
108 while((conn!=NULL)&&(trp_connection_get_next(conn)!=NULL))
109 conn=trp_connection_get_next(conn);
113 void trp_connection_append(TRP_CONNECTION *conn, TRP_CONNECTION *new)
115 trp_connection_set_next(trp_connection_get_tail(conn), new);
118 static void trp_connection_mutex_init(TRP_CONNECTION *conn)
120 pthread_mutex_init(&(conn->status_mutex), NULL);
123 /* talloc destructor for a connection: ensures connection is closed, memory freed */
124 static int trp_connection_destructor(void *object)
126 TRP_CONNECTION *conn=talloc_get_type_abort(object, TRP_CONNECTION); /* aborts on wrong type */
127 if ((trp_connection_get_status(conn)!=TRP_CONNECTION_DOWN)
128 && (trp_connection_get_fd(conn)!=-1))
129 close(trp_connection_get_fd(conn));
130 if (conn->gssname!=NULL)
131 tr_free_name(conn->gssname);
135 TRP_CONNECTION *trp_connection_new(TALLOC_CTX *mem_ctx)
137 TRP_CONNECTION *new_conn=talloc(mem_ctx, TRP_CONNECTION);
138 gss_ctx_id_t *gssctx=NULL;
139 pthread_t *thread=NULL;
142 if (new_conn != NULL) {
143 trp_connection_set_next(new_conn, NULL);
144 trp_connection_set_fd(new_conn, -1);
145 trp_connection_set_gssctx(new_conn, NULL);
146 trp_connection_mutex_init(new_conn);
147 trp_connection_set_status(new_conn, TRP_CONNECTION_DOWN);
148 thread=talloc(new_conn, pthread_t);
149 gssctx=talloc(new_conn, gss_ctx_id_t);
151 talloc_free(new_conn);
154 trp_connection_set_gssctx(new_conn, gssctx);
156 talloc_free(new_conn);
159 trp_connection_set_thread(new_conn, thread);
160 talloc_set_destructor((void *)new_conn, trp_connection_destructor);
165 void trp_connection_free(TRP_CONNECTION *conn)
170 void trp_connection_close(TRP_CONNECTION *conn)
172 close(trp_connection_get_fd(conn));
173 trp_connection_set_fd(conn, -1);
174 trp_connection_set_status(conn, TRP_CONNECTION_DOWN);
177 /* returns 0 on authorization success, 1 on failure, or -1 in case of error */
178 int trp_connection_auth(TRP_CONNECTION *conn, TRP_AUTH_FUNC auth_callback, void *callback_data)
181 int auth, autherr = 0;
182 gss_buffer_desc nameBuffer = {0, NULL};
183 gss_ctx_id_t *gssctx=trp_connection_get_gssctx(conn);
185 /* TODO: shouldn't really peek into TR_NAME... */
186 nameBuffer.length = trp_connection_get_gssname(conn)->len;
187 nameBuffer.value = trp_connection_get_gssname(conn)->buf;
189 tr_debug("trp_connection_auth: beginning passive authentication");
190 rc = gsscon_passive_authenticate(trp_connection_get_fd(conn), nameBuffer, gssctx, auth_callback, callback_data);
191 gss_release_buffer(NULL, &nameBuffer);
193 tr_debug("trp_connection_auth: Error from gsscon_passive_authenticate(), rc = 0x%08X.", rc);
197 tr_debug("trp_connection_auth: beginning second stage authentication");
198 if (rc = gsscon_authorize(*gssctx, &auth, &autherr)) {
199 tr_debug("trp_connection_auth: Error from gsscon_authorize, rc = %d, autherr = %d.",
205 tr_debug("trp_connection_auth: Connection authenticated, fd = %d.", trp_connection_get_fd(conn));
207 tr_debug("trp_connection_auth: Authentication failed, fd = %d.", trp_connection_get_fd(conn));
212 /* Accept connection */
213 TRP_CONNECTION *trp_connection_accept(TALLOC_CTX *mem_ctx, int listen, TR_NAME *gssname)
216 TRP_CONNECTION *conn=NULL;
218 conn_fd = accept(listen, NULL, NULL);
221 tr_notice("trp_connection_accept: accept() returned error.");
224 conn=trp_connection_new(mem_ctx);
225 trp_connection_set_fd(conn, conn_fd);
226 trp_connection_set_gssname(conn, gssname);
227 trp_connection_set_status(conn, TRP_CONNECTION_UP);