-/* $OpenBSD: sshconnect.h,v 1.10 2001/06/23 02:34:32 markus Exp $ */
+/* $OpenBSD: sshconnect.h,v 1.25 2009/05/27 06:38:16 andreas Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef SSHCONNECT_H
-#define SSHCONNECT_H
+
+typedef struct Sensitive Sensitive;
+struct Sensitive {
+ Key **keys;
+ int nkeys;
+ int external_keysign;
+};
int
-ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
- u_short port, int connection_attempts,
- int anonymous, struct passwd *pw,
- const char *proxy_command);
+ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
+ int *, int, int, const char *);
void
-ssh_login(Key **keys, int nkeys, const char *orighost,
- struct sockaddr *hostaddr, struct passwd *pw);
+ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *, int);
-int verify_host_key(char *host, struct sockaddr *hostaddr, Key *host_key);
+void ssh_exchange_identification(int);
-void ssh_kex(char *host, struct sockaddr *hostaddr);
-void ssh_kex2(char *host, struct sockaddr *hostaddr);
+int verify_host_key(char *, struct sockaddr *, Key *);
-void
-ssh_userauth1(const char *local_user, const char *server_user, char *host,
- Key **keys, int nkeys);
-void
-ssh_userauth2(const char *local_user, const char *server_user, char *host,
- Key **keys, int nkeys);
+void ssh_kex(char *, struct sockaddr *);
+void ssh_kex2(char *, struct sockaddr *);
+
+void ssh_userauth1(const char *, const char *, char *, Sensitive *);
+void ssh_userauth2(const char *, const char *, char *, Sensitive *);
-void ssh_put_password(char *password);
+void ssh_put_password(char *);
+int ssh_local_cmd(const char *);
+
+/*
+ * Macros to raise/lower permissions.
+ */
+#define PRIV_START do { \
+ int save_errno = errno; \
+ if (seteuid(original_effective_uid) != 0) \
+ fatal("PRIV_START: seteuid: %s", \
+ strerror(errno)); \
+ errno = save_errno; \
+} while (0)
-#endif
+#define PRIV_END do { \
+ int save_errno = errno; \
+ if (seteuid(original_real_uid) != 0) \
+ fatal("PRIV_END: seteuid: %s", \
+ strerror(errno)); \
+ errno = save_errno; \
+} while (0)