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Diffstat (limited to 'libtdenetwork/libgpgme-copy/assuan/assuan-defs.h')
| -rw-r--r-- | libtdenetwork/libgpgme-copy/assuan/assuan-defs.h | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/libtdenetwork/libgpgme-copy/assuan/assuan-defs.h b/libtdenetwork/libgpgme-copy/assuan/assuan-defs.h new file mode 100644 index 000000000..fa04f0b29 --- /dev/null +++ b/libtdenetwork/libgpgme-copy/assuan/assuan-defs.h @@ -0,0 +1,323 @@ +/* assuan-defs.c - Internal definitions to Assuan + * Copyright (C) 2001, 2002, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#ifndef ASSUAN_DEFS_H +#define ASSUAN_DEFS_H + +#include <sys/types.h> +#ifndef HAVE_W32_SYSTEM +#include <sys/socket.h> +#include <sys/un.h> +#else +#include <windows.h> +#endif +#include <unistd.h> + +#include "assuan.h" + +#ifndef HAVE_W32_SYSTEM +#define DIRSEP_C '/' +#else +#define DIRSEP_C '\\' +#endif + +#ifdef HAVE_W32_SYSTEM +#define AF_LOCAL AF_UNIX +/* We need to prefix the structure with a sockaddr_in header so we can + use it later for sendto and recvfrom. */ +struct sockaddr_un +{ + short sun_family; + unsigned short sun_port; + struct in_addr sun_addr; + char sun_path[108-2-4]; /* Path name. */ +}; + +/* Not needed anymore because the current mingw32 defines this in + sys/types.h */ +/* typedef int ssize_t; */ + +/* Missing W32 functions */ +int putc_unlocked (int c, FILE *stream); +void * memrchr (const void *block, int c, size_t size); +char * stpcpy (char *dest, const char *src); +#endif + +#define LINELENGTH ASSUAN_LINELENGTH + + +struct cmdtbl_s +{ + const char *name; + int (*handler)(assuan_context_t, char *line); +}; + + +/* A structure to dispatch I/O functions. All these functions need to + return 0 on success and set ERRNO on failure. */ +struct assuan_io +{ + /* Routine to read from input_fd. */ + ssize_t (*readfnc) (assuan_context_t, void *, size_t); + /* Routine to write to output_fd. */ + ssize_t (*writefnc) (assuan_context_t, const void *, size_t); + /* Send a file descriptor. */ + assuan_error_t (*sendfd) (assuan_context_t, int); + /* Receive a file descriptor. */ + assuan_error_t (*receivefd) (assuan_context_t, int *); +}; + + +/* The context we use with most functions. */ +struct assuan_context_s +{ + assuan_error_t err_no; + const char *err_str; + int os_errno; /* Last system error number used with certain + error codes. */ + + /* Context specific flags (cf. assuan_flag_t). */ + struct + { + unsigned int no_waitpid:1; /* See ASSUAN_NO_WAITPID. */ + } flags; + + int confidential; + int is_server; /* Set if this is context belongs to a server */ + int in_inquire; + char *hello_line; + char *okay_line; /* See assuan_set_okay_line() */ + + void *user_pointer; /* For assuan_get_pointer and assuan_set_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; /* The pid of the peer. */ + int listen_fd; /* The fd we are listening on (used by socket servers) */ + int connected_fd; /* helper */ + + struct { + int valid; /* Whether this structure has valid information. */ + pid_t pid; /* The pid of the peer. */ + uid_t uid; /* The uid of the peer. */ + gid_t gid; /* The gid of the peer. */ + } peercred; + + /* Used for Unix domain sockets. */ + struct sockaddr_un myaddr; + struct sockaddr_un serveraddr; + + /* Structure used for unix domain socket buffering. FIXME: We don't + use datagrams anymore thus we could get away with a simpler + buffering approach. */ + struct { + void *buffer; /* Malloced buffer. */ + int bufferallocated; /* Memory allocated. */ + int bufferoffset; /* Offset of start of buffer. */ + int buffersize; /* Bytes buffered. */ + + int pendingfds[5]; /* Array to save received descriptors. */ + int pendingfdscount; /* Number of received descriptors. */ + } uds; + + void (*deinit_handler)(assuan_context_t); + int (*accept_handler)(assuan_context_t); + int (*finish_handler)(assuan_context_t); + + struct cmdtbl_s *cmdtbl; + size_t cmdtbl_used; /* used entries */ + size_t cmdtbl_size; /* allocated size of table */ + + void (*bye_notify_fnc)(assuan_context_t); + void (*reset_notify_fnc)(assuan_context_t); + void (*cancel_notify_fnc)(assuan_context_t); + int (*option_handler_fnc)(assuan_context_t,const char*, const char*); + void (*input_notify_fnc)(assuan_context_t, const char *); + void (*output_notify_fnc)(assuan_context_t, const char *); + + /* This function is called right after a command has been processed. + It may be used to command related cleanup. */ + void (*post_cmd_notify_fnc)(assuan_context_t, int); + + /* If set, this is called right before logging an I/O line. With + DIRECTION set to 1 it is called for an output oeration; 0 means + an input operation. If bit 0 is set in the return value, the + logging of the will be suppressed. With bit 1 set, the entire + line will be ignored. */ + unsigned int (*io_monitor)(assuan_context_t ctx, + int direction, + const char *line, + size_t linelen); + + 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_t *r_ctx); +void _assuan_release_context (assuan_context_t ctx); + +/*-- assuan-uds.c --*/ +void _assuan_uds_close_fds (assuan_context_t ctx); +void _assuan_uds_deinit (assuan_context_t ctx); +void _assuan_init_uds_io (assuan_context_t ctx); + + +/*-- assuan-handler.c --*/ +int _assuan_register_std_commands (assuan_context_t ctx); + +/*-- assuan-buffer.c --*/ +assuan_error_t _assuan_read_line (assuan_context_t ctx); +int _assuan_cookie_write_data (void *cookie, const char *buffer, size_t size); +int _assuan_cookie_write_flush (void *cookie); +assuan_error_t _assuan_write_line (assuan_context_t ctx, const char *prefix, + const char *line, size_t len); + +/*-- assuan-client.c --*/ +assuan_error_t _assuan_read_from_server (assuan_context_t ctx, + int *okay, int *off); + +/*-- assuan-error.c --*/ + + +/* Map error codes as used in this implementaion to the libgpg-error + codes. */ +assuan_error_t _assuan_error (int oldcode); + +/* Extrac the erro code from A. This works for both the old and the + new style error codes. This needs to be whenever an error code is + compared. */ +#define err_code(a) ((a) & 0x00ffffff) + +/* Check whether A is the erro code for EOF. We allow forold and new + style EOF error codes here. */ +#define err_is_eof(a) ((a) == (-1) || err_code (a) == 16383) + + + +/*-- 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_error (ASSUAN_ ## e), (t)) + +#ifdef HAVE_W32_SYSTEM +const char *_assuan_w32_strerror (int ec); +#define w32_strerror(e) _assuan_w32_strerror ((e)) +#endif /*HAVE_W32_SYSTEM*/ + + +/*-- assuan-logging.c --*/ +void _assuan_set_default_log_stream (FILE *fp); + +void _assuan_log_printf (const char *format, ...) +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 ) + __attribute__ ((format (printf,1,2))) +#endif + ; +void _assuan_log_print_buffer (FILE *fp, const void *buffer, size_t length); +void _assuan_log_sanitized_string (const char *string); + + +/*-- assuan-io.c --*/ +pid_t _assuan_waitpid (pid_t pid, int *status, int options); + +ssize_t _assuan_simple_read (assuan_context_t ctx, void *buffer, size_t size); +ssize_t _assuan_simple_write (assuan_context_t ctx, const void *buffer, + size_t size); +ssize_t _assuan_simple_sendmsg (assuan_context_t ctx, struct msghdr *msg); +ssize_t _assuan_simple_recvmsg (assuan_context_t ctx, struct msghdr *msg); + +/*-- assuan-socket.c --*/ +int _assuan_close (int fd); +int _assuan_sock_new (int domain, int type, int proto); +int _assuan_sock_bind (int sockfd, struct sockaddr *addr, int addrlen); +int _assuan_sock_connect (int sockfd, struct sockaddr *addr, int addrlen); + +#ifdef HAVE_FOPENCOOKIE +/* We have to implement funopen in terms of glibc's fopencookie. */ +FILE *_assuan_funopen(void *cookie, + cookie_read_function_t *readfn, + cookie_write_function_t *writefn, + cookie_seek_function_t *seekfn, + cookie_close_function_t *closefn); +#define funopen(a,r,w,s,c) _assuan_funopen ((a), (r), (w), (s), (c)) +#endif /*HAVE_FOPENCOOKIE*/ + +/* Prototypes for replacement functions. */ +#ifndef HAVE_MEMRCHR +void *memrchr (const void *block, int c, size_t size); +#endif +#ifndef HAVE_STPCPY +char *stpcpy (char *dest, const char *src); +#endif +#ifndef HAVE_SETENV +#define setenv _assuan_setenv +#define unsetenv _assuan_unsetenv +#define clearenv _assuan_clearenv +int setenv (const char *name, const char *value, int replace); +#endif +#ifndef HAVE_PUTC_UNLOCKED +int putc_unlocked (int c, FILE *stream); +#endif + +#define DIM(v) (sizeof(v)/sizeof((v)[0])) +#define DIMof(type,member) DIM(((type *)0)->member) + + +#endif /*ASSUAN_DEFS_H*/ |