X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilcutil%2Fsilcutil.h;h=726c67f4f455c6161d0ac3d20ce4573d03196aef;hb=e7b6c157b80152bf9fb9266e6bdd93f9fb0db776;hp=2f79f2600f197f48f1f61239ae39ad2431c91afa;hpb=c077f32b9139acbbd3f33d1a3c6293b5788337e6;p=silc.git diff --git a/lib/silcutil/silcutil.h b/lib/silcutil/silcutil.h index 2f79f260..726c67f4 100644 --- a/lib/silcutil/silcutil.h +++ b/lib/silcutil/silcutil.h @@ -1,10 +1,10 @@ /* - silcutil.h + silcutil.h Author: Pekka Riikonen - Copyright (C) 1997 - 2002 Pekka Riikonen + Copyright (C) 1997 - 2008 Pekka Riikonen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,49 +17,268 @@ */ +/****h* silcutil/SILC Utilities + * + * DESCRIPTION + * + * Utility functions. + * + ***/ + #ifndef SILCUTIL_H #define SILCUTIL_H -/* Prototypes */ +/****f* silcutil/SilcUtilAPI/silc_gets + * + * SYNOPSIS + * + * int silc_gets(char *dest, int destlen, const char *src, int srclen, + * int begin); + * + * DESCRIPTION + * + * Gets line from a buffer. Stops reading when a newline or EOF occurs. + * This doesn't remove the newline sign from the destination buffer. The + * argument begin is returned and should be passed again for the function. + * + ***/ int silc_gets(char *dest, int destlen, const char *src, int srclen, int begin); -int silc_check_line(char *buf); -char *silc_get_time(); -char *silc_to_upper(char *string); -char *silc_encode_pem(unsigned char *data, SilcUInt32 len); -char *silc_encode_pem_file(unsigned char *data, SilcUInt32 data_len); -unsigned char *silc_decode_pem(unsigned char *pem, SilcUInt32 pem_len, - SilcUInt32 *ret_len); -bool silc_parse_userfqdn(const char *string, char **left, char **right); -void silc_parse_command_line(unsigned char *buffer, + +/****f* silcutil/SilcUtilAPI/silc_to_upper + * + * SYNOPSIS + * + * SilcBool silc_to_upper(const char *string, char *dest, + * SilcUInt32 dest_size); + * + * DESCRIPTION + * + * Converts string to capital characters. + * + ***/ +SilcBool silc_to_upper(const char *string, char *dest, SilcUInt32 dest_size); + +/****f* silcutil/SilcUtilAPI/silc_to_lower + * + * SYNOPSIS + * + * SilcBool silc_to_lower(const char *string, char *dest, + * SilcUInt32 dest_size); + * + * DESCRIPTION + * + * Converts string to capital characters. + * + ***/ +SilcBool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size); + +/****f* silcutil/SilcUtilAPI/silc_parse_userfqdn + * + * SYNOPSIS + * + * int silc_parse_userfqdn(const char *string, + * char *user, SilcUInt32 user_size, + * char *fqdn, SilcUInt32 fqdn_size); + * + * DESCRIPTION + * + * Parse userfqdn string which is in user@fqdn format. Returns 0 on + * error, 1 if `user' was filled and 2 if both `user' and `fqdn' + * was filled. + * + ***/ +int silc_parse_userfqdn(const char *string, + char *user, SilcUInt32 user_size, + char *fqdn, SilcUInt32 fqdn_size); + +/****f* silcutil/SilcUtilAPI/silc_parse_command_line + * + * SYNOPSIS + * + * void silc_parse_command_line(unsigned char *buffer, + * unsigned char ***parsed, + * SilcUInt32 **parsed_lens, + * SilcUInt32 **parsed_types, + * SilcUInt32 *parsed_num, + * SilcUInt32 max_args); + * + * DESCRIPTION + * + * Parses command line. At most `max_args' is taken. Rest of the line + * will be allocated as the last argument if there are more than `max_args' + * arguments in the line. Note that the command name is counted as one + * argument and is saved. + * + ***/ +void silc_parse_command_line(unsigned char *buffer, unsigned char ***parsed, SilcUInt32 **parsed_lens, SilcUInt32 **parsed_types, SilcUInt32 *parsed_num, SilcUInt32 max_args); + +/****f* silcutil/SilcUtilAPI/silc_format + * + * SYNOPSIS + * + * char *silc_format(char *fmt, ...); + * + * DESCRIPTION + * + * Formats arguments to a string and returns it after allocating memory + * for it. It must be remembered to free it later. + * + ***/ char *silc_format(char *fmt, ...); -char *silc_id_render(void *id, SilcUInt16 type); -int silc_string_compare(char *string1, char *string2); -char *silc_string_regexify(const char *string); -int silc_string_regex_match(const char *regex, const char *string); -int silc_string_match(const char *string1, const char *string2); + +/****f* silcutil/SilcUtilAPI/silc_fingerprint + * + * SYNOPSIS + * + * char *silc_fingerprint(const unsigned char *data, SilcUInt32 data_len); + * + * DESCRIPTION + * + * Return a textual representation of the fingerprint in *data, the + * caller must free the returned string. Returns NULL on error. If + * the `data_len' is longer than 255 bytes, only the first 255 bytes are + * used to create the fingerprint. + * + ***/ +char *silc_fingerprint(const unsigned char *data, SilcUInt32 data_len); + +/****f* silcutil/SilcUtilAPI/silc_string_is_ascii + * + * SYNOPSIS + * + * SilcBool silc_string_is_ascii(const unsigned char *data, + * SilcUInt32 data_len); + * + * DESCRIPTION + * + * Return TRUE if the `data' is ASCII string. + * + ***/ +SilcBool silc_string_is_ascii(const unsigned char *data, SilcUInt32 data_len); + +/****f* silcutil/SilcUtilAPI/silc_get_input + * + * SYNOPSIS + * + * char *silc_get_input(const char *prompt, SilcBool echo_off); + * + * DESCRIPTION + * + * Displays input prompt on command line and takes input data from user. + * + ***/ +char *silc_get_input(const char *prompt, SilcBool echo_off); + +/* System dependant prototypes */ + +/****f* silcutil/SilcUtilAPI/silc_get_username + * + * SYNOPSIS + * + * char *silc_get_username(); + * + * DESCRIPTION + * + * Returns the username of the user. If the global variable LOGNAME + * does not exists we will get the name from the passwd file. The + * caller must free the returned name. + * + * This function is system dependant. + * + ***/ char *silc_get_username(); + +/****f* silcutil/SilcUtilAPI/silc_get_real_name + * + * SYNOPSIS + * + * char *silc_get_real_name(); + * + * DESCRIPTION + * + * Returns the real name of ther user from the passwd file. The + * caller must free the returned name. + * + * This function is system dependant. + * + ***/ char *silc_get_real_name(); -SilcUInt32 silc_hash_string(void *key, void *user_context); -SilcUInt32 silc_hash_uint(void *key, void *user_context); -SilcUInt32 silc_hash_ptr(void *key, void *user_context); -SilcUInt32 silc_hash_id(void *key, void *user_context); -SilcUInt32 silc_hash_data(void *key, void *user_context); -SilcUInt32 silc_hash_public_key(void *key, void *user_context); -bool silc_hash_string_compare(void *key1, void *key2, void *user_context); -bool silc_hash_id_compare(void *key1, void *key2, void *user_context); -bool silc_hash_client_id_compare(void *key1, void *key2, void *user_context); -bool silc_hash_data_compare(void *key1, void *key2, void *user_context); -bool silc_hash_public_key_compare(void *key1, void *key2, void *user_context); -char *silc_client_chmode(SilcUInt32 mode, const char *cipher, - const char *hmac); -char *silc_client_chumode(SilcUInt32 mode); -char *silc_client_chumode_char(SilcUInt32 mode); -int silc_gettimeofday(struct timeval *p); -char *silc_fingerprint(const unsigned char *data, SilcUInt32 data_len); +/****f* silcutil/SilcUtilAPI/silc_va_copy + * + * SYNOPSIS + * + * void silc_va_copy(va_list dest, va_list src); + * + * DESCRIPTION + * + * Copies variable argument list. This must be called in case the + * variable argument list must be evaluated multiple times. For each + * evaluation the list must be copied and va_end must be called for + * each copied list. + * + ***/ +#if defined(HAVE_VA_COPY) +#define silc_va_copy(dest, src) va_copy(dest, src); +#elif defined(HAVE___VA_COPY) +#define silc_va_copy(dest, src) __va_copy(dest, src); +#elif defined(SILC_VA_COPY_ARRAY) +#define silc_va_copy(dest, src) memmove(dest, src, sizeof(va_list)); +#else +#define silc_va_copy(dest, src) dest = src; #endif + +/****f* silcutil/SilcUtilAPI/silc_hexdump + * + * SYNOPSIS + * + * void silc_hexdump(const unsigned char *data, SilcUInt32 data_len, + * FILE *output); + * + * DESCRIPTION + * + * Dumps the `data' of length of `data_len' bytes as HEX. The `output' + * file specifies the destination. + * + ***/ +void silc_hexdump(const unsigned char *data, SilcUInt32 data_len, + FILE *output); + +/****f* silcutil/SilcUtilAPI/silc_hex2data + * + * SYNOPSIS + * + * SilcBool silc_hex2data(const char *hex, unsigned char *data, + * SilcUInt32 data_size, SilcUInt32 *ret_data_len); + * + * DESCRIPTION + * + * Converts HEX character string to binary data. Each HEX numbers must + * have two characters in the `hex' string. + * + ***/ +SilcBool silc_hex2data(const char *hex, unsigned char *data, + SilcUInt32 data_size, SilcUInt32 *ret_data_len); + +/****f* silcutil/SilcUtilAPI/silc_data2hex + * + * SYNOPSIS + * + * SilcBool silc_data2hex(const unsigned char *data, SilcUInt32 data_len, + * char *hex, SilcUInt32 hex_size); + * + * DESCRIPTION + * + * Converts binary data to HEX string. This NULL terminates the `hex' + * buffer automatically. + * + ***/ +SilcBool silc_data2hex(const unsigned char *data, SilcUInt32 data_len, + char *hex, SilcUInt32 hex_size); + +#endif /* !SILCUTIL_H */