This function sends a token or message.
/* * Function: send_token * * Purpose: Writes a token to a file descriptor. * * Arguments: * * s (r) an open file descriptor * tok (r) the token to write * * Returns: 0 on success, -1 on failure * * Effects: * * send_token writes the token length (as a network long) and then the * token data to the file descriptor s. It returns 0 on success, and * -1 if an error occurs or if it could not write all the data. */ int send_token(s, tok) int s; gss_buffer_t tok; { int len, ret; len = htonl((OM_uint32)tok->length); ret = write_all(s, (char *) &len, sizeof(int)); if (ret < 0) { perror("sending token length"); return -1; } else if (ret != 4) { if (display_file) fprintf(display_file, "sending token length: %d of %d bytes written\n", ret, 4); return -1; } ret = write_all(s, tok->value, (OM_uint32)tok->length); if (ret < 0) { perror("sending token data"); return -1; } else if (ret != tok->length) { if (display_file) fprintf(display_file, "sending token data: %d of %d bytes written\n", ret, tok->length); return -1; } return 0; }