X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=client_common.c;h=eb9f9e1fcda2a49ba960582ba67be9c882897a20;hp=ba419786ee036745972825ec49629d9f1cf342ab;hb=bda95f9508b456dcea89d300f6d4104e30ab9f3e;hpb=e4db7671a91a7552c642acc979f0eb278f8d467f

diff --git a/client_common.c b/client_common.c
index ba419786..eb9f9e1f 100644
--- a/client_common.c
+++ b/client_common.c
@@ -8,7 +8,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
 
 #include "para.h"
 #include "error.h"
@@ -16,14 +15,13 @@
 #include "sched.h"
 #include "client.cmdline.h"
 #include "crypt.h"
-#include "rc4.h"
 #include "net.h"
 #include "fd.h"
 #include "string.h"
 #include "client.cmdline.h"
 #include "client.h"
-#include "hash.h"
 #include "buffer_tree.h"
+#include "version.h"
 
 /** The size of the receiving buffer. */
 #define CLIENT_BUFSIZE 4000
@@ -46,6 +44,7 @@ void client_close(struct client_task *ct)
 	free(ct->user);
 	free(ct->config_file);
 	free(ct->key_file);
+	btr_free_node(ct->btrn);
 	client_cmdline_parser_free(&ct->conf);
 	free(ct);
 }
@@ -183,7 +182,7 @@ static void client_post_select(struct sched *s, struct task *t)
 		/* decrypted challenge/session key buffer */
 		unsigned char crypt_buf[1024];
 		/* the SHA1 of the decrypted challenge */
-		unsigned char challenge_sha1[HASH_SIZE];
+		unsigned char challenge_hash[HASH_SIZE];
 
 		ret = client_recv_buffer(ct, &s->rfds, buf, sizeof(buf), &n);
 		if (ret < 0 || n == 0)
@@ -193,13 +192,13 @@ static void client_post_select(struct sched *s, struct task *t)
 			(unsigned char *)buf, n);
 		if (ret < 0)
 			goto out;
-		sha1_hash((char *)crypt_buf, CHALLENGE_SIZE, challenge_sha1);
-		ct->scc.send = sc_new(crypt_buf + CHALLENGE_SIZE, RC4_KEY_LEN);
-		ct->scc.recv = sc_new(crypt_buf + CHALLENGE_SIZE + RC4_KEY_LEN,
-			RC4_KEY_LEN);
-		hash_to_asc(challenge_sha1, buf);
+		hash_function((char *)crypt_buf, CHALLENGE_SIZE, challenge_hash);
+		ct->scc.send = sc_new(crypt_buf + CHALLENGE_SIZE, SESSION_KEY_LEN);
+		ct->scc.recv = sc_new(crypt_buf + CHALLENGE_SIZE + SESSION_KEY_LEN,
+			SESSION_KEY_LEN);
+		hash_to_asc(challenge_hash, buf);
 		PARA_INFO_LOG("--> %s\n", buf);
-		ret = send_bin_buffer(ct->scc.fd, (char *)challenge_sha1,
+		ret = send_bin_buffer(ct->scc.fd, (char *)challenge_hash,
 			HASH_SIZE);
 		if (ret < 0)
 			goto out;
@@ -396,9 +395,16 @@ int client_open(int argc, char *argv[], struct client_task **ct_ptr,
 	ct->user = ct->conf.user_given?
 		para_strdup(ct->conf.user_arg) : para_logname();
 
-	ct->key_file = ct->conf.key_file_given?
-		para_strdup(ct->conf.key_file_arg) :
-		make_message("%s/.paraslash/key.%s", home, ct->user);
+	if (ct->conf.key_file_given)
+		ct->key_file = para_strdup(ct->conf.key_file_arg);
+	else {
+		ct->key_file = make_message("%s/.paraslash/key.%s",
+			home, ct->user);
+		if (!file_exists(ct->key_file)) {
+			free(ct->key_file);
+			ct->key_file = make_message("%s/.ssh/id_rsa", home);
+		}
+	}
 
 	if (loglevel)
 		*loglevel = get_loglevel_by_name(ct->conf.loglevel_arg);
@@ -413,7 +419,6 @@ out:
 	if (ret < 0) {
 		PARA_ERROR_LOG("%s\n", para_strerror(-ret));
 		btr_remove_node(ct->btrn);
-		btr_free_node(ct->btrn);
 		client_close(ct);
 		*ct_ptr = NULL;
 	}