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Diffstat (limited to 'vncviewer/vncviewer.cxx')
| -rw-r--r-- | vncviewer/vncviewer.cxx | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx index eaf94ba6..3f039379 100644 --- a/vncviewer/vncviewer.cxx +++ b/vncviewer/vncviewer.cxx @@ -313,8 +313,8 @@ static void createTunnel(const char *gatewayHost, const char *remoteHost, int remotePort, int localPort) { - char *cmd = getenv("VNC_VIA_CMD"); - char *percent; + const char *cmd = getenv("VNC_VIA_CMD"); + char *cmd2, *percent; char lport[10], rport[10]; sprintf(lport, "%d", localPort); sprintf(rport, "%d", remotePort); @@ -325,9 +325,11 @@ createTunnel(const char *gatewayHost, const char *remoteHost, if (!cmd) cmd = "/usr/bin/ssh -f -L \"$L\":\"$H\":\"$R\" \"$G\" sleep 20"; /* Compatibility with TigerVNC's method. */ - while ((percent = strchr(cmd, '%')) != NULL) + cmd2 = strdup(cmd); + while ((percent = strchr(cmd2, '%')) != NULL) *percent = '$'; - system(cmd); + system(cmd2); + free(cmd2); } static int mktunnel() |