[tor-commits] [torsocks/master] Fix: check SOCKS5 user/pass before setting them in config

[dgoulet@xxxxxxxxxxxxxx]

commit 647bb224055fa5667f70b388ad0d8df6ced83c4b
Author: David Goulet <dgoulet@xxxxxxxxx>
Date:   Mon Mar 3 15:04:36 2014 -0500

    Fix: check SOCKS5 user/pass before setting them in config
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxx>
---
 src/lib/torsocks.c |   21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/lib/torsocks.c b/src/lib/torsocks.c
index b8f38fb..a20e94f 100644
--- a/src/lib/torsocks.c
+++ b/src/lib/torsocks.c
@@ -84,14 +84,23 @@ static void read_user_pass_env(void)
 		goto end;
 	}
 
-	ret = conf_file_set_socks5_user(username, &tsocks_config);
-	if (ret < 0) {
-		goto error;
+	/*
+	 * Only set the values if they were provided. It's possible that a user
+	 * wants to only set one of the values through an env. variable and the
+	 * other through the configuration file.
+	 */
+	if (username) {
+		ret = conf_file_set_socks5_user(username, &tsocks_config);
+		if (ret < 0) {
+			goto error;
+		}
 	}
 
-	ret = conf_file_set_socks5_pass(password, &tsocks_config);
-	if (ret < 0) {
-		goto error;
+	if (password) {
+		ret = conf_file_set_socks5_pass(password, &tsocks_config);
+		if (ret < 0) {
+			goto error;
+		}
 	}
 
 end:



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