-/* $OpenBSD: ssh-agent.c,v 1.67 2001/07/18 21:40:40 stevesk Exp $ */
+/* $OpenBSD: ssh-agent.c,v 1.75 2001/12/19 07:18:56 deraadt Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
*/
#include "includes.h"
-RCSID("$OpenBSD: ssh-agent.c,v 1.67 2001/07/18 21:40:40 stevesk Exp $");
+RCSID("$OpenBSD: ssh-agent.c,v 1.75 2001/12/19 07:18:56 deraadt Exp $");
#include <openssl/evp.h>
#include <openssl/md5.h>
#include "scard.h"
#endif
+typedef enum {
+ AUTH_UNUSED,
+ AUTH_SOCKET,
+ AUTH_CONNECTION
+} sock_type;
+
typedef struct {
int fd;
- enum {
- AUTH_UNUSED, AUTH_SOCKET, AUTH_CONNECTION
- } type;
+ sock_type type;
Buffer input;
Buffer output;
} SocketEntry;
idtab_init(void)
{
int i;
- for (i = 0; i <=2; i++){
+ for (i = 0; i <=2; i++) {
idtable[i].identities = NULL;
idtable[i].nentries = 0;
}
u_int bits;
int success = 0;
- switch(version){
+ switch (version) {
case 1:
key = key_new(KEY_RSA1);
bits = buffer_get_int(&e->input);
type_name = buffer_get_string(&e->input, NULL);
type = key_type_from_name(type_name);
xfree(type_name);
- switch(type) {
+ switch (type) {
case KEY_DSA:
k = key_new_private(type);
buffer_get_bignum2(&e->input, k->dsa->p);
{
Idtab *tab;
Key *n = NULL, *k = NULL;
+ char *sc_reader_id = NULL;
int success = 0;
- int sc_reader_num = 0;
-
- sc_reader_num = buffer_get_int(&e->input);
- k = sc_get_key(sc_reader_num);
+ sc_reader_id = buffer_get_string(&e->input, NULL);
+ k = sc_get_key(sc_reader_id);
+ xfree(sc_reader_id);
+
if (k == NULL) {
error("sc_get_pubkey failed");
goto send;
Key *k = NULL, *private;
int idx;
int success = 0;
- int sc_reader_num = 0;
+ char *sc_reader_id = NULL;
- sc_reader_num = buffer_get_int(&e->input);
+ sc_reader_id = buffer_get_string(&e->input, NULL);
+ k = sc_get_key(sc_reader_id);
+ xfree(sc_reader_id);
- if ((k = sc_get_key(sc_reader_num)) == NULL) {
+ if (k == NULL) {
error("sc_get_pubkey failed");
} else {
k->type = KEY_RSA1;
buffer_put_char(&e->output,
success ? SSH_AGENT_SUCCESS : SSH_AGENT_FAILURE);
}
-#endif
+#endif /* SMARTCARD */
/* dispatch incoming messages */
#ifdef SMARTCARD
case SSH_AGENTC_ADD_SMARTCARD_KEY:
process_add_smartcard_key(e);
- break;
+ break;
case SSH_AGENTC_REMOVE_SMARTCARD_KEY:
process_remove_smartcard_key(e);
- break;
-#endif
+ break;
+#endif /* SMARTCARD */
default:
/* Unknown message. Respond with failure. */
error("Unknown message %d", type);
}
static void
-new_socket(int type, int fd)
+new_socket(sock_type type, int fd)
{
u_int i, old_alloc;
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
}
}
-static void
-check_parent_exists(int sig)
-{
- int save_errno = errno;
-
- if (parent_pid != -1 && kill(parent_pid, 0) < 0) {
- /* printf("Parent has died - Authentication agent exiting.\n"); */
- exit(1);
- }
- signal(SIGALRM, check_parent_exists);
- alarm(10);
- errno = save_errno;
-}
-
static void
cleanup_socket(void)
{
_exit(2);
}
+static void
+check_parent_exists(int sig)
+{
+ int save_errno = errno;
+
+ if (parent_pid != -1 && kill(parent_pid, 0) < 0) {
+ /* printf("Parent has died - Authentication agent exiting.\n"); */
+ cleanup_handler(sig); /* safe */
+ }
+ signal(SIGALRM, check_parent_exists);
+ alarm(10);
+ errno = save_errno;
+}
+
static void
usage(void)
{
- fprintf(stderr, "ssh-agent version %s\n", SSH_VERSION);
- fprintf(stderr, "Usage: %s [-c | -s] [-k] [-d] [command [args...]]\n",
+ fprintf(stderr, "Usage: %s [options] [command [args ...]]\n",
__progname);
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -c Generate C-shell commands on stdout.\n");
+ fprintf(stderr, " -s Generate Bourne shell commands on stdout.\n");
+ fprintf(stderr, " -k Kill the current agent.\n");
+ fprintf(stderr, " -d Debug mode.\n");
exit(1);
}