X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilcutil%2Fsilcstrutil.h;h=1fdc0fd16b486c89242d7e91c14d8d17324cbb1a;hb=9905799a86c606304fd7df2cd401de1740a272a1;hp=3d96492f9169ca2231a420c79068fcefe48140d7;hpb=40f8443d8d3a6577336ee66d18e04d9ac4d956bb;p=silc.git diff --git a/lib/silcutil/silcstrutil.h b/lib/silcutil/silcstrutil.h index 3d96492f..1fdc0fd1 100644 --- a/lib/silcutil/silcstrutil.h +++ b/lib/silcutil/silcstrutil.h @@ -4,7 +4,7 @@ Author: Pekka Riikonen - Copyright (C) 2002 - 2005 Pekka Riikonen + Copyright (C) 2002 - 2007 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 @@ -111,7 +111,27 @@ char *silc_pem_encode_file(unsigned char *data, SilcUInt32 data_len); unsigned char *silc_pem_decode(unsigned char *pem, SilcUInt32 pem_len, SilcUInt32 *ret_len); -/****f* silcutil/SilcStrUtilAPI/silc_strncat +/****f* silcutil/SilcStrStrUtilAPI/silc_snprintf + * + * SYNOPSIS + * + * int silc_snprintf(char *str, SilcUInt32 size, const char *format, ...); + * + * DESCRIPTION + * + * Produces output string according to the `format'. The formatting + * is equivalent to silc_snprintf(3) and sprintf(3). Returns the number of + * characters output into `str', at most `size' characters including the + * trailing '\0' character. Returns negative value on error. + * + ***/ +#ifndef SILC_SNPRINTF +int silc_snprintf(char *str, SilcUInt32 size, const char *format, ...); +#else +#define silc_snprintf snprintf +#endif /* SILC_SNPRINTF */ + +/****f* silcutil/SilcStrStrUtilAPI/silc_strncat * * SYNOPSIS * @@ -128,152 +148,83 @@ unsigned char *silc_pem_decode(unsigned char *pem, SilcUInt32 pem_len, char *silc_strncat(char *dest, SilcUInt32 dest_size, const char *src, SilcUInt32 src_len); -/****f* silcutil/SilcStrUtilAPI/silc_identifier_check +/****f* silcutil/SilcStrUtilAPI/silc_string_regexify * * SYNOPSIS * - * unsigned char * - * silc_identifier_check(const unsigned char *identifier, - * SilcUInt32 identifier_len, - * SilcStringEncoding identifier_encoding, - * SilcUInt32 max_allowed_length, - * SilcUInt32 *out_len); + * char *silc_string_regexify(const char *string); * * DESCRIPTION * - * Checks that the 'identifier' string is valid identifier string - * and does not contain any unassigned or prohibited character. This - * function is used to check for valid nicknames, server names, - * usernames, hostnames, service names, algorithm names, other security - * property names, and SILC Public Key name. - * - * If the 'max_allowed_length' is non-zero the identifier cannot be - * longer than that, and NULL is returned if it is. If zero (0), no - * length limit exist. For nicknames the max length must be 128 bytes. - * Other identifiers has no default limit, but application may choose -* one anyway. - * - * Returns the validated string, that the caller must free. Returns - * NULL if the identifier string is not valid or contain unassigned or - * prohibited characters. Such identifier strings must not be used - * SILC protocol. The returned string is always in UTF-8 encoding. - * The length of the returned string is in 'out_len'. + * Inspects the `string' for wildcards and returns regex string that can + * be used by the GNU regex library. A comma (`,') in the `string' means + * that the string is list. * - * NOTES - * - * In addition of validating the identifier string, this function - * may map characters to other characters or remove characters from the - * original string. This is done as defined in the SILC protocol. Error - * is returned only if the string contains unassigned or prohibited - * characters. The original 'identifier' is not modified at any point. + * This function is system dependant. * ***/ -unsigned char *silc_identifier_check(const unsigned char *identifier, - SilcUInt32 identifier_len, - SilcStringEncoding identifier_encoding, - SilcUInt32 max_allowed_length, - SilcUInt32 *out_len); +char *silc_string_regexify(const char *string); -/****f* silcutil/SilcStrUtilAPI/silc_identifier_verify +/****f* silcutil/SilcStrUtilAPI/silc_string_regex_match * * SYNOPSIS * - * SilcBool - * silc_identifier_check(const unsigned char *identifier, - * SilcUInt32 identifier_len, - * SilcStringEncoding identifier_encoding, - * SilcUInt32 max_allowed_length); + * int silc_string_regex_match(const char *regex, const char *string); * * DESCRIPTION * - * Checks that the 'identifier' string is valid identifier string - * and does not contain any unassigned or prohibited character. This - * function is used to check for valid nicknames, server names, - * usernames, hostnames, service names, algorithm names, other security - * property names, and SILC Public Key name. - * - * If the 'max_allowed_length' is non-zero the identifier cannot be - * longer than that, and NULL is returned if it is. If zero (0), no - * length limit exist. For nicknames the max length must be 128 bytes. - * Other identifiers has no default limit, but application may choose - * one anyway. + * Matches the two strings and returns TRUE if the strings match. * - * Returns TRUE if the string is valid and FALSE if it is prohibited. + * This function is system dependant. * ***/ -SilcBool silc_identifier_verify(const unsigned char *identifier, - SilcUInt32 identifier_len, - SilcStringEncoding identifier_encoding, - SilcUInt32 max_allowed_length); +int silc_string_regex_match(const char *regex, const char *string); -/****f* silcutil/SilcStrUtilAPI/silc_channel_name_check +/****f* silcutil/SilcStrUtilAPI/silc_string_match * * SYNOPSIS * - * unsigned char * - * silc_channel_name_check(const unsigned char *identifier, - * SilcUInt32 identifier_len, - * SilcStringEncoding identifier_encoding, - * SilcUInt32 max_allowed_length, - * SilcUInt32 *out_len); + * int silc_string_match(const char *string1, const char *string2); * * DESCRIPTION * - * Checks that the 'identifier' string is valid channel name string - * and does not contain any unassigned or prohibited character. + * Do regex match to the two strings `string1' and `string2'. If the + * `string2' matches the `string1' this returns TRUE. + * + * This function is system dependant. + * + ***/ +int silc_string_match(const char *string1, const char *string2); + +/****f* silcutil/SilcStrUtilAPI/silc_string_compare * - * If the 'max_allowed_length' is non-zero the identifier cannot be - * longer than that, and NULL is returned if it is. If zero (0), no - * length limit exist. For channel names the max length must be 256 - * bytes. + * SYNOPSIS * - * Returns the validated string, that the caller must free. Returns - * NULL if the identifier string is not valid or contain unassigned or - * prohibited characters. Such identifier strings must not be used - * SILC protocol. The returned string is always in UTF-8 encoding. - * The length of the returned string is in 'out_len'. + * int silc_string_compare(char *string1, char *string2); * - * NOTES + * DESCRIPTION * - * In addition of validating the channel name string, this function - * may map characters to other characters or remove characters from the - * original string. This is done as defined in the SILC protocol. Error - * is returned only if the string contains unassigned or prohibited - * characters. The original 'identifier' is not modified at any point. + * Compares two strings. Strings may include wildcards '*' and '?'. + * Returns TRUE if strings match. * ***/ -unsigned char *silc_channel_name_check(const unsigned char *identifier, - SilcUInt32 identifier_len, - SilcStringEncoding identifier_encoding, - SilcUInt32 max_allowed_length, - SilcUInt32 *out_len); +int silc_string_compare(char *string1, char *string2); -/****f* silcutil/SilcStrUtilAPI/silc_channel_name_verify +/****f* silcutil/SilcStrUtilAPI/silc_string_split * * SYNOPSIS * - * SilcBool - * silc_channel_name_check(const unsigned char *identifier, - * SilcUInt32 identifier_len, - * SilcStringEncoding identifier_encoding, - * SilcUInt32 max_allowed_length); + * char **silc_string_split(const char *string, char ch, int *ret_count); * * DESCRIPTION * - * Checks that the 'identifier' string is valid channel name string - * and does not contain any unassigned or prohibited character. - * - * If the 'max_allowed_length' is non-zero the identifier cannot be - * longer than that, and NULL is returned if it is. If zero (0), no - * length limit exist. For channel names the max length must be 256 - * bytes. - * - * Returns TRUE if the string is valid and FALSE if it is prohibited. + * Splits a `string' that has a separator `ch' into an array of strings + * and returns the array. The `ret_count' will contain the number of + * strings in the array. Caller must free the strings and the array. + * Returns NULL on error. If the string does not have `ch' separator + * this returns the `string' in the array. * ***/ -SilcBool silc_channel_name_verify(const unsigned char *identifier, - SilcUInt32 identifier_len, - SilcStringEncoding identifier_encoding, - SilcUInt32 max_allowed_length); +char **silc_string_split(const char *string, char ch, int *ret_count); #endif /* SILCSTRUTIL_H */