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remote: Convert SSH tunnel to virCommand

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This commit is contained in:
Cole Robinson 2011-05-06 16:32:37 -04:00
parent b3ecd78064
commit 028c30885e
1 changed files with 18 additions and 47 deletions
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65
src/remote/remote_driver.c
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@ -426,8 +426,8 @@ doRemoteOpen (virConnectPtr conn,
char *name = NULL, *command = NULL, *sockname = NULL, *netcat = NULL;
char *port = NULL, *authtype = NULL, *username = NULL;
int no_verify = 0, no_tty = 0;
char **cmd_argv = NULL;
char *pkipath = NULL;
virCommandPtr cmd = NULL;
/* Return code from this function, and the private data. */
int retcode = VIR_DRV_OPEN_ERROR;
@ -741,50 +741,26 @@ doRemoteOpen (virConnectPtr conn,
}
case trans_ssh: {
int j, nr_args = 6;
if (username) nr_args += 2; /* For -l username */
if (no_tty) nr_args += 5; /* For -T -o BatchMode=yes -e none */
if (port) nr_args += 2; /* For -p port */
command = command ? command : strdup ("ssh");
if (command == NULL)
goto out_of_memory;
cmd = virCommandNew(command ? command : "ssh");
/* Generate the final command argv[] array.
* ssh [-p $port] [-l $username] $hostname $netcat -U $sockname [NULL] */
if (VIR_ALLOC_N(cmd_argv, nr_args) < 0)
goto out_of_memory;
* ssh [-p $port] [-l $username] $hostname $netcat -U $sockname */
j = 0;
cmd_argv[j++] = strdup (command);
if (port) {
cmd_argv[j++] = strdup ("-p");
cmd_argv[j++] = strdup (port);
virCommandAddArgList(cmd, "-p", port, NULL);
}
if (username) {
cmd_argv[j++] = strdup ("-l");
cmd_argv[j++] = strdup (username);
virCommandAddArgList(cmd, "-l", username, NULL);
}
if (no_tty) {
cmd_argv[j++] = strdup ("-T");
cmd_argv[j++] = strdup ("-o");
cmd_argv[j++] = strdup ("BatchMode=yes");
cmd_argv[j++] = strdup ("-e");
cmd_argv[j++] = strdup ("none");
virCommandAddArgList(cmd, "-T", "-o", "BatchMode=yes", "-e",
"none", NULL);
}
cmd_argv[j++] = strdup (priv->hostname);
cmd_argv[j++] = strdup (netcat ? netcat : "nc");
cmd_argv[j++] = strdup ("-U");
cmd_argv[j++] = strdup (sockname ? sockname :
(flags & VIR_CONNECT_RO
? LIBVIRTD_PRIV_UNIX_SOCKET_RO
: LIBVIRTD_PRIV_UNIX_SOCKET));
cmd_argv[j++] = 0;
assert (j == nr_args);
for (j = 0; j < (nr_args-1); j++)
if (cmd_argv[j] == NULL)
goto out_of_memory;
virCommandAddArgList(cmd, priv->hostname, netcat ? netcat : "nc",
"-U", (sockname ? sockname :
(flags & VIR_CONNECT_RO
? LIBVIRTD_PRIV_UNIX_SOCKET_RO
: LIBVIRTD_PRIV_UNIX_SOCKET)), NULL);
priv->is_secure = 1;
}
@ -811,9 +787,11 @@ doRemoteOpen (virConnectPtr conn,
goto failed;
}
if (virExec((const char**)cmd_argv, NULL, NULL,
&pid, sv[1], &(sv[1]), &(errfd[1]),
VIR_EXEC_CLEAR_CAPS) < 0)
virCommandSetInputFD(cmd, sv[1]);
virCommandSetOutputFD(cmd, &(sv[1]));
virCommandSetErrorFD(cmd, &(errfd[1]));
virCommandClearCaps(cmd);
if (virCommandRunAsync(cmd, &pid) < 0)
goto failed;
/* Parent continues here. */
@ -942,14 +920,7 @@ doRemoteOpen (virConnectPtr conn,
VIR_FREE(netcat);
VIR_FREE(username);
VIR_FREE(port);
if (cmd_argv) {
char **cmd_argv_ptr = cmd_argv;
while (*cmd_argv_ptr) {
VIR_FREE(*cmd_argv_ptr);
cmd_argv_ptr++;
}
VIR_FREE(cmd_argv);
}
virCommandFree(cmd);
VIR_FREE(pkipath);
return retcode;