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Diffstat (limited to 'src/inline_cmds.h')
| -rwxr-xr-x | src/inline_cmds.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/inline_cmds.h b/src/inline_cmds.h new file mode 100755 index 0000000..2705a8c --- /dev/null +++ b/src/inline_cmds.h @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2011-2012 Free Software Foundation, Inc. + * + * This file is part of GnuTLS. + * + * GnuTLS is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GnuTLS is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef GNUTLS_SRC_INLINE_CMDS_H +#define GNUTLS_SRC_INLINE_CMDS_H + +/* + * The inline commands is a facility that can be used optionally + * when --inline-commands is set during invocation of gnutls-cli + * to send inline commands at any time while a secure connection + * between the client and server is active. This is especially + * useful when the HTTPS connection is (HTTP) persistent - + * inline commands can be issued between HTTP requests, ex: GET. + * session renegotiation and session resumption can be issued + * inline between GET requests. + * + * Following inline commands are currently supported: + * ^resume^ - perform session resumption (similar to option -r) + * ^renegotiate^ - perform session renegotiation (similar to option -e) + * + * inline-commands-prefix is an additional option that can be set + * from gnutls-cli to change the default prefix (^) of inline commands. + * This option is only relevant if inline-commands option is enabled. + * This option expects a single US-ASCII character (octets 0 - 127). + * For ex: if --inline-commands-prefix=@, the inline commands will be + * @resume@, @renegotiate@, etc... + */ +typedef enum INLINE_COMMAND { INLINE_COMMAND_NONE, + INLINE_COMMAND_RESUME, + INLINE_COMMAND_RENEGOTIATE, + INLINE_COMMAND_REKEY_LOCAL, + INLINE_COMMAND_REKEY_BOTH +} inline_command_t; + +#define MAX_INLINE_COMMAND_BYTES 20 + +typedef struct inline_cmds { + char *current_ptr; /* points to the start of the current buffer being processed */ + char *new_buffer_ptr; /* points to start or offset within the caller's buffer, + * and refers to bytes yet to be processed. */ + inline_command_t cmd_found; + int lf_found; + int bytes_to_flush; + ssize_t bytes_copied; + char inline_cmd_buffer[MAX_INLINE_COMMAND_BYTES]; +} inline_cmds_st; + + +struct inline_command_definitions { + int command; + char string[MAX_INLINE_COMMAND_BYTES]; +}; + +/* All inline commands will contain a trailing LF */ +struct inline_command_definitions inline_commands_def[] = { + {INLINE_COMMAND_RESUME, "^resume^\n"}, + {INLINE_COMMAND_REKEY_LOCAL, "^rekey1^\n"}, + {INLINE_COMMAND_REKEY_BOTH, "^rekey^\n"}, + {INLINE_COMMAND_RENEGOTIATE, "^renegotiate^\n"}, +}; + +#define NUM_INLINE_COMMANDS ((unsigned)(sizeof(inline_commands_def)/sizeof(inline_commands_def[0]))) + +#endif /* GNUTLS_SRC_INLINE_CMDS_H */ |