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Diffstat (limited to 'branches/gpgme-1-0-branch/assuan/assuan-defs.h')
| -rw-r--r-- | branches/gpgme-1-0-branch/assuan/assuan-defs.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/branches/gpgme-1-0-branch/assuan/assuan-defs.h b/branches/gpgme-1-0-branch/assuan/assuan-defs.h new file mode 100644 index 00000000..1f7f1f03 --- /dev/null +++ b/branches/gpgme-1-0-branch/assuan/assuan-defs.h @@ -0,0 +1,194 @@ +/* assuan-defs.c - Internal definitions to Assuan + * Copyright (C) 2001, 2002 Free Software Foundation, Inc. + * + * This file is part of Assuan. + * + * Assuan is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Assuan 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#ifndef ASSUAN_DEFS_H +#define ASSUAN_DEFS_H + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <unistd.h> + +#include "assuan.h" + +#define LINELENGTH ASSUAN_LINELENGTH + +struct cmdtbl_s +{ + const char *name; + int (*handler)(ASSUAN_CONTEXT, char *line); +}; + +struct assuan_io +{ + /* Routine to read from input_fd. */ + ssize_t (*read) (ASSUAN_CONTEXT, void *, size_t); + /* Routine to write to output_fd. */ + ssize_t (*write) (ASSUAN_CONTEXT, const void *, size_t); + /* Send a file descriptor. */ + AssuanError (*sendfd) (ASSUAN_CONTEXT, int); + /* Receive a file descriptor. */ + AssuanError (*receivefd) (ASSUAN_CONTEXT, int *); +}; + +struct assuan_context_s +{ + AssuanError err_no; + const char *err_str; + int os_errno; /* last system error number used with certain error codes*/ + + int confidential; + int is_server; /* set if this is context belongs to a server */ + int in_inquire; + char *hello_line; + char *okay_line; /* see assan_set_okay_line() */ + + void *user_pointer; /* for assuan_[gs]et_pointer () */ + + FILE *log_fp; + + struct { + int fd; + int eof; + char line[LINELENGTH]; + int linelen; /* w/o CR, LF - might not be the same as + strlen(line) due to embedded nuls. However a nul + is always written at this pos */ + struct { + char line[LINELENGTH]; + int linelen ; + int pending; /* i.e. at least one line is available in the attic */ + } attic; + } inbound; + + struct { + int fd; + struct { + FILE *fp; + char line[LINELENGTH]; + int linelen; + int error; + } data; + } outbound; + + int pipe_mode; /* We are in pipe mode, i.e. we can handle just one + connection and must terminate then */ + pid_t pid; /* In pipe mode, the pid of the child server process. + In socket mode, the pid of the server */ + int listen_fd; /* The fd we are listening on (used by socket servers) */ + int connected_fd; /* helper */ + + pid_t client_pid; /* for a socket server the PID of the client or -1 + if not available */ + + /* Used for Unix domain sockets. */ + struct sockaddr_un myaddr; + struct sockaddr_un serveraddr; + /* When reading from datagram sockets, we must read an entire + message at a time. This means that we have to do our own + buffering to be able to get the semantics of read. */ + void *domainbuffer; + /* Offset of start of buffer. */ + int domainbufferoffset; + /* Bytes buffered. */ + int domainbuffersize; + /* Memory allocated. */ + int domainbufferallocated; + + int *pendingfds; + int pendingfdscount; + + void (*deinit_handler)(ASSUAN_CONTEXT); + int (*accept_handler)(ASSUAN_CONTEXT); + int (*finish_handler)(ASSUAN_CONTEXT); + + struct cmdtbl_s *cmdtbl; + size_t cmdtbl_used; /* used entries */ + size_t cmdtbl_size; /* allocated size of table */ + + void (*bye_notify_fnc)(ASSUAN_CONTEXT); + void (*reset_notify_fnc)(ASSUAN_CONTEXT); + void (*cancel_notify_fnc)(ASSUAN_CONTEXT); + int (*option_handler_fnc)(ASSUAN_CONTEXT,const char*, const char*); + void (*input_notify_fnc)(ASSUAN_CONTEXT, const char *); + void (*output_notify_fnc)(ASSUAN_CONTEXT, const char *); + + int input_fd; /* set by INPUT command */ + int output_fd; /* set by OUTPUT command */ + + /* io routines. */ + struct assuan_io *io; +}; + +/*-- assuan-pipe-server.c --*/ +int _assuan_new_context (ASSUAN_CONTEXT *r_ctx); +void _assuan_release_context (ASSUAN_CONTEXT ctx); + +/*-- assuan-domain-connect.c --*/ +/* Make a connection to the Unix domain socket NAME and return a new + Assuan context in CTX. SERVER_PID is currently not used but may + become handy in the future. */ +AssuanError _assuan_domain_init (ASSUAN_CONTEXT *r_ctx, + int rendezvousfd, + pid_t peer); + +/*-- assuan-handler.c --*/ +int _assuan_register_std_commands (ASSUAN_CONTEXT ctx); + +/*-- assuan-buffer.c --*/ +int _assuan_read_line (ASSUAN_CONTEXT ctx); +int _assuan_cookie_write_data (void *cookie, const char *buffer, size_t size); +int _assuan_cookie_write_flush (void *cookie); + +/*-- assuan-client.c --*/ +AssuanError _assuan_read_from_server (ASSUAN_CONTEXT ctx, int *okay, int *off); + + +/*-- assuan-util.c --*/ +void *_assuan_malloc (size_t n); +void *_assuan_calloc (size_t n, size_t m); +void *_assuan_realloc (void *p, size_t n); +void _assuan_free (void *p); + +#define xtrymalloc(a) _assuan_malloc ((a)) +#define xtrycalloc(a,b) _assuan_calloc ((a),(b)) +#define xtryrealloc(a,b) _assuan_realloc((a),(b)) +#define xfree(a) _assuan_free ((a)) + +#define set_error(c,e,t) assuan_set_error ((c), ASSUAN_ ## e, (t)) + +void _assuan_log_print_buffer (FILE *fp, const void *buffer, size_t length); +void _assuan_log_sanitized_string (const char *string); + +/*-- assuan-io.c --*/ +ssize_t _assuan_simple_read (ASSUAN_CONTEXT ctx, void *buffer, size_t size); +ssize_t _assuan_simple_write (ASSUAN_CONTEXT ctx, const void *buffer, + size_t size); + +#ifdef HAVE_FOPENCOOKIE +/* We have to implement funopen in terms of glibc's fopencookie. */ +FILE *funopen(const void *cookie, cookie_read_function_t *readfn, + cookie_write_function_t *writefn, + cookie_seek_function_t *seekfn, + cookie_close_function_t *closefn); +#endif /*HAVE_FOPENCOOKIE*/ + +#endif /*ASSUAN_DEFS_H*/ + |