diff options
Diffstat (limited to 'libtdenetwork/libgpgme-copy/assuan/assuan.h')
| -rw-r--r-- | libtdenetwork/libgpgme-copy/assuan/assuan.h | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/libtdenetwork/libgpgme-copy/assuan/assuan.h b/libtdenetwork/libgpgme-copy/assuan/assuan.h new file mode 100644 index 00000000..8d0a3960 --- /dev/null +++ b/libtdenetwork/libgpgme-copy/assuan/assuan.h @@ -0,0 +1,565 @@ +/* assuan.c - Definitions for the Assuan IPC library + * Copyright (C) 2001, 2002, 2003, 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_H +#define ASSUAN_H + +#include <stdio.h> +#include <sys/types.h> +#include <unistd.h> + + +/* To use this file with libraries the following macros are useful: + + #define _ASSUAN_EXT_SYM_PREFIX _foo_ + + This prefixes all external symbols with "_foo_". + + #define _ASSUAN_ONLY_GPG_ERRORS + + If this is defined all old-style Assuan error codes are made + inactive as well as other dereacted stuff. + + The follwing macros are used internally in the implementation of + libassuan: + + #define _ASSUAN_NO_PTH + + This avoids inclusion of special GNU Pth hacks. + + #define _ASSUAN_NO_FIXED_SIGNALS + + This disables changing of certain signal handler; i.e. SIGPIPE. + + #define _ASSUAN_USE_DOUBLE_FORK + + Use a double fork approach when connecting to a server through + a pipe. + */ +/**** Begin GPGME specific modifications. ******/ +#define _ASSUAN_EXT_SYM_PREFIX _gpgme_ +#define _ASSUAN_NO_PTH +#define _ASSUAN_NO_FIXED_SIGNALS +#define _ASSUAN_USE_DOUBLE_FORK + +#ifdef _ASSUAN_IN_GPGME_BUILD_ASSUAN +int _gpgme_io_read (int fd, void *buffer, size_t count); +int _gpgme_io_write (int fd, const void *buffer, size_t count); +ssize_t _gpgme_ath_waitpid (pid_t pid, int *status, int options); +#ifdef HAVE_W32_SYSTEM +int _gpgme_ath_accept (int s, void *addr, int *length_ptr); +#else /*!HAVE_W32_SYSTEM*/ +struct sockaddr; +struct msghdr; +ssize_t _gpgme_ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset, + struct timeval *timeout); +int _gpgme_ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr); +int _gpgme_ath_connect (int s, struct sockaddr *addr, socklen_t length); +int _gpgme_ath_sendmsg (int s, const struct msghdr *msg, int flags); +int _gpgme_ath_recvmsg (int s, struct msghdr *msg, int flags); +int _gpgme_io_sendmsg (int sock, const struct msghdr *msg, int flags); +int _gpgme_io_recvmsg (int sock, struct msghdr *msg, int flags); +#endif /*!HAVE_W32_SYSTEM*/ + +#define read _gpgme_io_read +#define write _gpgme_io_write +#define waitpid _gpgme_ath_waitpid +#define select _gpgme_ath_select +#define accept _gpgme_ath_accept +#define connect _gpgme_ath_connect +#define sendmsg _gpgme_io_sendmsg +#define recvmsg _gpgme_io_recvmsg +#endif /*_ASSUAN_IN_GPGME_BUILD_ASSUAN*/ +/**** End GPGME specific modifications. ******/ + + +#ifdef _ASSUAN_EXT_SYM_PREFIX +#define _ASSUAN_PREFIX1(x,y) x ## y +#define _ASSUAN_PREFIX2(x,y) _ASSUAN_PREFIX1(x,y) +#define _ASSUAN_PREFIX(x) _ASSUAN_PREFIX2(_ASSUAN_EXT_SYM_PREFIX,x) +#define assuan_ _ASSUAN_PREFIX(assuan_) +#define assuan_register_command _ASSUAN_PREFIX(assuan_register_command) +#define assuan_register_post_cmd_notify \ + _ASSUAN_PREFIX(assuan_register_post_cmd_notify) +#define assuan_register_bye_notify _ASSUAN_PREFIX(assuan_register_bye_notify) +#define assuan_register_reset_notify \ + _ASSUAN_PREFIX(assuan_register_reset_notify) +#define assuan_register_cancel_notify \ + _ASSUAN_PREFIX(assuan_register_cancel_notify) +#define assuan_register_input_notify \ + _ASSUAN_PREFIX(assuan_register_input_notify) +#define assuan_register_output_notify \ + _ASSUAN_PREFIX(assuan_register_output_notify) +#define assuan_register_option_handler \ + _ASSUAN_PREFIX(assuan_register_option_handler) +#define assuan_process _ASSUAN_PREFIX(assuan_process) +#define assuan_process_next _ASSUAN_PREFIX(assuan_process_next) +#define assuan_get_active_fds _ASSUAN_PREFIX(assuan_get_active_fds) +#define assuan_get_data_fp _ASSUAN_PREFIX(assuan_get_data_fp) +#define assuan_set_okay_line _ASSUAN_PREFIX(assuan_set_okay_line) +#define assuan_write_status _ASSUAN_PREFIX(assuan_write_status) +#define assuan_command_parse_fd _ASSUAN_PREFIX(assuan_command_parse_fd) +#define assuan_set_hello_line _ASSUAN_PREFIX(assuan_set_hello_line) +#define assuan_accept _ASSUAN_PREFIX(assuan_accept) +#define assuan_get_input_fd _ASSUAN_PREFIX(assuan_get_input_fd) +#define assuan_get_output_fd _ASSUAN_PREFIX(assuan_get_output_fd) +#define assuan_close_input_fd _ASSUAN_PREFIX(assuan_close_input_fd) +#define assuan_close_output_fd _ASSUAN_PREFIX(assuan_close_output_fd) +#define assuan_init_pipe_server _ASSUAN_PREFIX(assuan_init_pipe_server) +#define assuan_deinit_server _ASSUAN_PREFIX(assuan_deinit_server) +#define assuan_init_socket_server _ASSUAN_PREFIX(assuan_init_socket_server) +#define assuan_init_connected_socket_server \ + _ASSUAN_PREFIX(assuan_init_connected_socket_server) +#define assuan_init_socket_server_ext \ + _ASSUAN_PREFIX(assuan_init_socket_server_ext) +#define assuan_pipe_connect _ASSUAN_PREFIX(assuan_pipe_connect) +#define assuan_pipe_connect_ext _ASSUAN_PREFIX(assuan_pipe_connect_ext) +#define assuan_socket_connect _ASSUAN_PREFIX(assuan_socket_connect) +#define assuan_socket_connect_ext _ASSUAN_PREFIX(assuan_socket_connect_ext) +#define assuan_disconnect _ASSUAN_PREFIX(assuan_disconnect) +#define assuan_get_pid _ASSUAN_PREFIX(assuan_get_pid) +#define assuan_get_peercred _ASSUAN_PREFIX(assuan_get_peercred) +#define assuan_transact _ASSUAN_PREFIX(assuan_transact) +#define assuan_inquire _ASSUAN_PREFIX(assuan_inquire) +#define assuan_read_line _ASSUAN_PREFIX(assuan_read_line) +#define assuan_pending_line _ASSUAN_PREFIX(assuan_pending_line) +#define assuan_write_line _ASSUAN_PREFIX(assuan_write_line) +#define assuan_send_data _ASSUAN_PREFIX(assuan_send_data) +#define assuan_sendfd _ASSUAN_PREFIX(assuan_sendfd) +#define assuan_receivefd _ASSUAN_PREFIX(assuan_receivefd) +#define assuan_set_malloc_hooks _ASSUAN_PREFIX(assuan_set_malloc_hooks) +#define assuan_set_log_stream _ASSUAN_PREFIX(assuan_set_log_stream) +#define assuan_set_error _ASSUAN_PREFIX(assuan_set_error) +#define assuan_set_pointer _ASSUAN_PREFIX(assuan_set_pointer) +#define assuan_get_pointer _ASSUAN_PREFIX(assuan_get_pointer) +#define assuan_set_io_monitor _ASSUAN_PREFIX(assuan_set_io_monitor) +#define assuan_begin_confidential _ASSUAN_PREFIX(assuan_begin_confidential) +#define assuan_end_confidential _ASSUAN_PREFIX(assuan_end_confidential) +#define assuan_strerror _ASSUAN_PREFIX(assuan_strerror) +#define assuan_set_assuan_err_source \ + _ASSUAN_PREFIX(assuan_set_assuan_err_source) +#define assuan_set_assuan_log_stream \ + _ASSUAN_PREFIX(assuan_set_assuan_log_stream) +#define assuan_get_assuan_log_stream \ + _ASSUAN_PREFIX(assuan_get_assuan_log_stream) +#define assuan_get_assuan_log_prefix \ + _ASSUAN_PREFIX(assuan_get_assuan_log_prefix) +#define assuan_set_flag _ASSUAN_PREFIX(assuan_set_flag) +#define assuan_get_flag _ASSUAN_PREFIX(assuan_get_flag) + +/* And now the internal functions, argh... */ +#define _assuan_read_line _ASSUAN_PREFIX(_assuan_read_line) +#define _assuan_cookie_write_data _ASSUAN_PREFIX(_assuan_cookie_write_data) +#define _assuan_cookie_write_flush _ASSUAN_PREFIX(_assuan_cookie_write_flush) +#define _assuan_read_from_server _ASSUAN_PREFIX(_assuan_read_from_server) +#define _assuan_domain_init _ASSUAN_PREFIX(_assuan_domain_init) +#define _assuan_register_std_commands \ + _ASSUAN_PREFIX(_assuan_register_std_commands) +#define _assuan_simple_read _ASSUAN_PREFIX(_assuan_simple_read) +#define _assuan_simple_write _ASSUAN_PREFIX(_assuan_simple_write) +#define _assuan_simple_read _ASSUAN_PREFIX(_assuan_simple_read) +#define _assuan_simple_write _ASSUAN_PREFIX(_assuan_simple_write) +#define _assuan_new_context _ASSUAN_PREFIX(_assuan_new_context) +#define _assuan_release_context _ASSUAN_PREFIX(_assuan_release_context) +#define _assuan_malloc _ASSUAN_PREFIX(_assuan_malloc) +#define _assuan_realloc _ASSUAN_PREFIX(_assuan_realloc) +#define _assuan_calloc _ASSUAN_PREFIX(_assuan_calloc) +#define _assuan_free _ASSUAN_PREFIX(_assuan_free) +#define _assuan_log_print_buffer _ASSUAN_PREFIX(_assuan_log_print_buffer) +#define _assuan_log_sanitized_string \ + _ASSUAN_PREFIX(_assuan_log_sanitized_string) +#define _assuan_log_printf _ASSUAN_PREFIX(_assuan_log_printf) +#define _assuan_set_default_log_stream \ + _ASSUAN_PREFIX(_assuan_set_default_log_stream) +#define _assuan_w32_strerror _ASSUAN_PREFIX(_assuan_w32_strerror) +#define _assuan_write_line _ASSUAN_PREFIX(_assuan_write_line) +#define _assuan_close _ASSUAN_PREFIX(_assuan_close) +#define _assuan_sock_new _ASSUAN_PREFIX(_assuan_sock_new) +#define _assuan_sock_bind _ASSUAN_PREFIX(_assuan_sock_bind) +#define _assuan_sock_connect _ASSUAN_PREFIX(_assuan_sock_connect) + +#endif /*_ASSUAN_EXT_SYM_PREFIX*/ + + +#ifdef __cplusplus +extern "C" +{ +#if 0 +} +#endif +#endif + + +/* Check for compiler features. */ +#if __GNUC__ +#define _ASSUAN_GCC_VERSION (__GNUC__ * 10000 \ + + __GNUC_MINOR__ * 100 \ + + __GNUC_PATCHLEVEL__) + +#if _ASSUAN_GCC_VERSION > 30100 +#define _ASSUAN_DEPRECATED __attribute__ ((__deprecated__)) +#endif +#endif +#ifndef _ASSUAN_DEPRECATED +#define _ASSUAN_DEPRECATED +#endif + + +/* Assuan error codes. These are only used by old applications or + those applications which won't make use of libgpg-error. */ +#ifndef _ASSUAN_ONLY_GPG_ERRORS +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_No_Error 0 +#endif +#define ASSUAN_General_Error 1 +#define ASSUAN_Out_Of_Core 2 +#define ASSUAN_Invalid_Value 3 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Timeout 4 +#endif +#define ASSUAN_Read_Error 5 +#define ASSUAN_Write_Error 6 +#define ASSUAN_Problem_Starting_Server 7 +#define ASSUAN_Not_A_Server 8 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Not_A_Client 9 +#endif +#define ASSUAN_Nested_Commands 10 +#define ASSUAN_Invalid_Response 11 +#define ASSUAN_No_Data_Callback 12 +#define ASSUAN_No_Inquire_Callback 13 +#define ASSUAN_Connect_Failed 14 +#define ASSUAN_Accept_Failed 15 + + /* Error codes above 99 are meant as status codes */ +#define ASSUAN_Not_Implemented 100 +#define ASSUAN_Server_Fault 101 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Invalid_Command 102 +#endif +#define ASSUAN_Unknown_Command 103 +#define ASSUAN_Syntax_Error 104 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Parameter_Error 105 +#endif +#define ASSUAN_Parameter_Conflict 106 +#define ASSUAN_Line_Too_Long 107 +#define ASSUAN_Line_Not_Terminated 108 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_No_Input 109 +#define ASSUAN_No_Output 110 +#endif +#define ASSUAN_Canceled 111 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Unsupported_Algorithm 112 +#define ASSUAN_Server_Resource_Problem 113 +#define ASSUAN_Server_IO_Error 114 +#define ASSUAN_Server_Bug 115 +#define ASSUAN_No_Data_Available 116 +#define ASSUAN_Invalid_Data 117 +#endif +#define ASSUAN_Unexpected_Command 118 +#define ASSUAN_Too_Much_Data 119 +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Inquire_Unknown 120 +#define ASSUAN_Inquire_Error 121 +#define ASSUAN_Invalid_Option 122 +#define ASSUAN_Invalid_Index 123 +#define ASSUAN_Unexpected_tqStatus 124 +#define ASSUAN_Unexpected_Data 125 +#define ASSUAN_Invalid_tqStatus 126 +#define ASSUAN_Locale_Problem 127 +#endif +#define ASSUAN_Not_Confirmed 128 + + /* Warning: Don't use the Error codes, below they are deprecated. */ +#ifndef _ASSUAN_IN_LIBASSUAN +#define ASSUAN_Bad_Certificate 201 +#define ASSUAN_Bad_Certificate_Chain 202 +#define ASSUAN_Missing_Certificate 203 +#define ASSUAN_Bad_Signature 204 +#define ASSUAN_No_Agent 205 +#define ASSUAN_Agent_Error 206 +#define ASSUAN_No_Public_Key 207 +#define ASSUAN_No_Secret_Key 208 +#define ASSUAN_Invalid_Name 209 + +#define ASSUAN_Cert_Revoked 301 +#define ASSUAN_No_CRL_For_Cert 302 +#define ASSUAN_CRL_Too_Old 303 +#define ASSUAN_Not_Trusted 304 + +#define ASSUAN_Card_Error 401 +#define ASSUAN_Invalid_Card 402 +#define ASSUAN_No_PKCS15_App 403 +#define ASSUAN_Card_Not_Present 404 +#define ASSUAN_Invalid_Id 405 + + /* Error codes in the range 1000 to 9999 may be used by applications + at their own discretion. */ +#define ASSUAN_USER_ERROR_FIRST 1000 +#define ASSUAN_USER_ERROR_LAST 9999 +#endif + +typedef int assuan_error_t; + +typedef assuan_error_t AssuanError _ASSUAN_DEPRECATED; + +/* This is a list of pre-registered ASSUAN commands */ +/* Note, these command IDs are now deprectated and solely exists for + compatibility reasons. */ +typedef enum +{ + ASSUAN_CMD_NOP = 0, + ASSUAN_CMD_CANCEL, /* cancel the current request */ + ASSUAN_CMD_BYE, + ASSUAN_CMD_AUTH, + ASSUAN_CMD_RESET, + ASSUAN_CMD_OPTION, + ASSUAN_CMD_DATA, + ASSUAN_CMD_END, + ASSUAN_CMD_INPUT, + ASSUAN_CMD_OUTPUT, + + ASSUAN_CMD_USER = 256 /* Other commands should be used with this offset*/ +} AssuanCommand; + + +#else /*!_ASSUAN_ONLY_GPG_ERRORS*/ + +typedef int assuan_error_t; + +#endif /*!_ASSUAN_ONLY_GPG_ERRORS*/ + + +/* Definitions of flags for assuan_set_flag(). */ +typedef enum + { + /* When using a pipe server, by default Assuan will wait for the + forked process to die in assuan_disconnect. In certain cases + this is not desirable. By setting this flag, the waitpid will + be skipped and the caller is responsible to cleanup a forked + process. */ + ASSUAN_NO_WAITPID = 1 + } +assuan_flag_t; + +#define ASSUAN_LINELENGTH 1002 /* 1000 + [CR,]LF */ + +struct assuan_context_s; +typedef struct assuan_context_s *assuan_context_t; +#ifndef _ASSUAN_ONLY_GPG_ERRORS +typedef struct assuan_context_s *ASSUAN_CONTEXT _ASSUAN_DEPRECATED; +#endif /*_ASSUAN_ONLY_GPG_ERRORS*/ + +/*-- assuan-handler.c --*/ +int assuan_register_command (assuan_context_t ctx, + const char *cmd_string, + int (*handler)(assuan_context_t, char *)); +int assuan_register_post_cmd_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t, int)); +int assuan_register_bye_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t)); +int assuan_register_reset_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t)); +int assuan_register_cancel_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t)); +int assuan_register_input_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t, const char *)); +int assuan_register_output_notify (assuan_context_t ctx, + void (*fnc)(assuan_context_t, const char *)); + +int assuan_register_option_handler (assuan_context_t ctx, + int (*fnc)(assuan_context_t, + const char*, const char*)); + +int assuan_process (assuan_context_t ctx); +int assuan_process_next (assuan_context_t ctx); +int assuan_get_active_fds (assuan_context_t ctx, int what, + int *fdarray, int fdarraysize); + + +FILE *assuan_get_data_fp (assuan_context_t ctx); +assuan_error_t assuan_set_okay_line (assuan_context_t ctx, const char *line); +assuan_error_t assuan_write_status (assuan_context_t ctx, + const char *keyword, const char *text); + +/* Negotiate a file descriptor. If LINE contains "FD=N", returns N + assuming a local file descriptor. If LINE contains "FD" reads a + file descriptor via CTX and stores it in *RDF (the CTX must be + capable of passing file descriptors). */ +assuan_error_t assuan_command_parse_fd (assuan_context_t ctx, char *line, + int *rfd); + +/*-- assuan-listen.c --*/ +assuan_error_t assuan_set_hello_line (assuan_context_t ctx, const char *line); +assuan_error_t assuan_accept (assuan_context_t ctx); +int assuan_get_input_fd (assuan_context_t ctx); +int assuan_get_output_fd (assuan_context_t ctx); +assuan_error_t assuan_close_input_fd (assuan_context_t ctx); +assuan_error_t assuan_close_output_fd (assuan_context_t ctx); + + +/*-- assuan-pipe-server.c --*/ +int assuan_init_pipe_server (assuan_context_t *r_ctx, int filedes[2]); +void assuan_deinit_server (assuan_context_t ctx); + +/*-- assuan-socket-server.c --*/ +int assuan_init_socket_server (assuan_context_t *r_ctx, int listen_fd); +int assuan_init_connected_socket_server (assuan_context_t *r_ctx, + int fd) _ASSUAN_DEPRECATED; +int assuan_init_socket_server_ext (assuan_context_t *r_ctx, int fd, + unsigned int flags); + +/*-- assuan-pipe-connect.c --*/ +assuan_error_t assuan_pipe_connect (assuan_context_t *ctx, + const char *name, + const char *const argv[], + int *fd_child_list); +assuan_error_t assuan_pipe_connect2 (assuan_context_t *ctx, + const char *name, + const char *const argv[], + int *fd_child_list, + void (*atfork) (void*, int), + void *atforkvalue) _ASSUAN_DEPRECATED; +assuan_error_t assuan_pipe_connect_ext (assuan_context_t *ctx, + const char *name, + const char *const argv[], + int *fd_child_list, + void (*atfork) (void *, int), + void *atforkvalue, + unsigned int flags); + +/*-- assuan-socket-connect.c --*/ +assuan_error_t assuan_socket_connect (assuan_context_t *ctx, + const char *name, + pid_t server_pid); +assuan_error_t assuan_socket_connect_ext (assuan_context_t *ctx, + const char *name, + pid_t server_pid, + unsigned int flags); + +/*-- assuan-connect.c --*/ +void assuan_disconnect (assuan_context_t ctx); +pid_t assuan_get_pid (assuan_context_t ctx); +assuan_error_t assuan_get_peercred (assuan_context_t ctx, + pid_t *pid, uid_t *uid, gid_t *gid); + +/*-- assuan-client.c --*/ +assuan_error_t +assuan_transact (assuan_context_t ctx, + const char *command, + int (*data_cb)(void *, const void *, size_t), + void *data_cb_arg, + int (*inquire_cb)(void*, const char *), + void *inquire_cb_arg, + int (*status_cb)(void*, const char *), + void *status_cb_arg); + + +/*-- assuan-inquire.c --*/ +assuan_error_t assuan_inquire (assuan_context_t ctx, const char *keyword, + unsigned char **r_buffer, size_t *r_length, + size_t maxlen); + +/*-- assuan-buffer.c --*/ +assuan_error_t assuan_read_line (assuan_context_t ctx, + char **line, size_t *linelen); +int assuan_pending_line (assuan_context_t ctx); +assuan_error_t assuan_write_line (assuan_context_t ctx, const char *line ); +assuan_error_t assuan_send_data (assuan_context_t ctx, + const void *buffer, size_t length); + +/* The file descriptor must be pending before assuan_receivefd is + called. This means that assuan_sendfd should be called *before* the + trigger is sent (normally via assuan_write_line ("INPUT FD")). */ +assuan_error_t assuan_sendfd (assuan_context_t ctx, int fd); +assuan_error_t assuan_receivefd (assuan_context_t ctx, int *fd); + +/*-- assuan-util.c --*/ +void assuan_set_malloc_hooks ( void *(*new_alloc_func)(size_t n), + void *(*new_realloc_func)(void *p, size_t n), + void (*new_free_func)(void*) ); +void assuan_set_log_stream (assuan_context_t ctx, FILE *fp); +int assuan_set_error (assuan_context_t ctx, int err, const char *text); +void assuan_set_pointer (assuan_context_t ctx, void *pointer); +void *assuan_get_pointer (assuan_context_t ctx); + +void assuan_begin_confidential (assuan_context_t ctx); +void assuan_end_confidential (assuan_context_t ctx); + +void assuan_set_io_monitor (assuan_context_t ctx, + unsigned int (*monitor)(assuan_context_t ctx, + int direction, + const char *line, + size_t linelen)); + +/* For context CTX, set the flag FLAG to VALUE. Values for flags + are usually 1 or 0 but certain flags might allow for other values; + see the description of the type assuan_flag_t for details. */ +void assuan_set_flag (assuan_context_t ctx, assuan_flag_t flag, int value); + +/* Return the VALUE of FLAG in context CTX. */ +int assuan_get_flag (assuan_context_t ctx, assuan_flag_t flag); + + +/*-- assuan-errors.c --*/ + +#ifndef _ASSUAN_ONLY_GPG_ERRORS +/* Return a string describing the assuan error. The use of this + function is deprecated; it is better to call + assuan_set_assuan_err_source once and then make use libgpg-error. */ +const char *assuan_strerror (assuan_error_t err); +#endif /*_ASSUAN_ONLY_GPG_ERRORS*/ + +/* Enable gpg-error style error codes. ERRSOURCE is one of gpg-error + sources. Note, that this function is not thread-safe and should be + used right at startup. Switching back to the old style mode is not + supported. */ +void assuan_set_assuan_err_source (int errsource); + +/*-- assuan-logging.c --*/ + +/* Set the stream to which assuan should log message not associated + with a context. By default, this is stderr. The default value + will be changed when the first log stream is associated with a + context. Note, that this function is not thread-safe and should + in general be used right at startup. */ +extern void assuan_set_assuan_log_stream (FILE *fp); + +/* Return the stream which is currently being using for global logging. */ +extern FILE *assuan_get_assuan_log_stream (void); + +/* Set the prefix to be used at the start of a line emitted by assuan + on the log stream. The default is the empty string. Note, that + this function is not thread-safe and should in general be used + right at startup. */ +void assuan_set_assuan_log_prefix (const char *text); + +/* Return a prefix to be used at the start of a line emitted by assuan + on the log stream. The default implementation returns the empty + string, i.e. "" */ +const char *assuan_get_assuan_log_prefix (void); + +#ifdef __cplusplus +} +#endif +#endif /* ASSUAN_H */ |