128 lines
4.4 KiB
Diff
128 lines
4.4 KiB
Diff
diff -up wsmancli-2.6.0/src/wsman.c.orig wsmancli-2.6.0/src/wsman.c
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--- wsmancli-2.6.0/src/wsman.c.orig 2015-06-11 10:50:04.000000000 +0200
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+++ wsmancli-2.6.0/src/wsman.c 2022-07-19 09:09:48.518951546 +0200
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@@ -63,7 +63,11 @@ static char *cert = NULL;
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static char *sslkey = NULL;
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static char *endpoint = NULL;
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static char *username = NULL;
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+static char *username_given = NULL; /* copy of either the username from env or cmdline*/
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+static char *username_prev = NULL; /* input username to request_usr_pwd() when called last time */
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static char *password = NULL;
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+static char *password_given = NULL; /* copy of either the password from env or cmdline */
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+static char *password_prev = NULL; /* input password to request_usr_pwd() when called last time */
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static char *server = "localhost";
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static char *agent = NULL;
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static char *url_path = NULL;
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@@ -495,28 +499,79 @@ request_usr_pwd( WsManClient *client, ws
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char user[21];
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char *p;
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- fprintf(stdout,"Authentication failed, please retry\n");
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- /*
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- fprintf(stdout, "%s authentication is used\n",
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- wsmc_transport_get_auth_name( auth));
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- */
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- printf("User name: ");
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- fflush(stdout);
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- if ( (p = fgets(user, 20, stdin) ) != NULL )
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- {
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-
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- if (strchr(user, '\n'))
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- (*(strchr(user, '\n'))) = '\0';
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- *username = u_strdup_printf ("%s", user);
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- } else {
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- *username = NULL;
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+ /*
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+ * fprintf(stdout,"Authentication failed, please retry\n");
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+ *
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+ * this message shall not be printed by this function as it cannot decide on the
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+ * reason it was called for. It does not control the authentication process.
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+ * wsmc_handler is better suited for such a decision making.
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+ */
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+
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+ if (username_given) {
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+ if (password_given) {
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+ /* Initially provided combination of password and username is not valid.
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+ * Request user to type both. Here I assume, that wsmc_handler called back to
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+ * this function after trying a first authentication using these credentials.
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+ */
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+ } else {
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+ /* Initially no password was provided => no authentication tried during first
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+ * iteration of while loop in wsmc_handler. Check previously typed credentials
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+ */
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+ if (username_prev) {
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+ /* This is a second call of this function, assuming only wsmc_handler is using it
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+ * as a callback function. Therefore, there must have been a previous attempt to
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+ * authenticate, but this previous combination of username and password did not
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+ * lead to a successful authentication. Request new credentials, username_prev will
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+ * be set each time after user has provided a username.
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+ */
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+ } else {
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+ /* First time wsmc_handler calls back to this function. No password given on the
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+ * command line or via the environment variable. Therefore wsmc_handler cannot
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+ * have tried http authentication. A username was given on the command line or
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+ * via an environment variable. And the user wants us to try this name at least
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+ * at first. So, let's do him a favour and use it. When we are called back again,
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+ * we will ask the user to provide a new name or the same, but a different password.
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+ */
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+ *username = u_strdup(username_given);
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+ }
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+ }
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+ }
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+
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+ if (*username == NULL) {
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+ printf("User name: ");
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+ fflush(stdout);
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+ if ( (p = fgets(user, 20, stdin) ) != NULL )
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+ {
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+ if (strchr(user, '\n'))
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+ (*(strchr(user, '\n'))) = '\0';
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+ *username = u_strdup_printf ("%s", user);
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+ } else {
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+ *username = NULL;
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+ }
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+ }
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+
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+ /* after successfull receipt of a new username, store a copy at username_prev */
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+ if (*username) {
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+ if ( username_prev ) {
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+ u_free(username_prev);
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+ username_prev = NULL;
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+ }
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+ username_prev = u_strdup(*username);
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}
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+ /* but always ask for the password !? */
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pw = (char *)getpass("Password: ");
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*password = u_strdup_printf ("%s", pw);
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-}
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-
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+ /* make backup, *password will become free'd when next try of http-auth fails */
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+ if (*password) {
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+ if (password_prev) {
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+ u_free(password_prev);
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+ password_prev = NULL;
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+ }
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+ password_prev = u_strdup(*password);
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+ }
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+}
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static void
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wsman_options_set_properties(client_opt_t *options)
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@@ -647,6 +702,14 @@ int main(int argc, char **argv)
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exit(EXIT_FAILURE);
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}
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+ /* save copies of username or password when given on the command line or via environment variables */
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+ if ( username != NULL ) {
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+ username_given = u_strdup(username);
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+ }
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+ if ( password != NULL ) {
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+ password_given = u_strdup(password);
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+ }
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+
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filename = (char *) config_file;
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if (filename) {
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