silcutil.h
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2000 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program 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
*/
+/****h* silcutil/SILC Utilities
+ *
+ * DESCRIPTION
+ *
+ * Utility functions.
+ *
+ ***/
+
#ifndef SILCUTIL_H
#define SILCUTIL_H
-/* Prototypes */
-char *silc_file_read(const char *filename, int *return_len);
-int silc_file_write(const char *filename, const char *buffer, int len);
-int silc_file_write_mode(const char *filename, const char *buffer,
- int len, int mode);
+/****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);
-int silc_string_compare(char *string1, char *string2);
-char *silc_encode_pem(unsigned char *data, unsigned int len);
-char *silc_encode_pem_file(unsigned char *data, unsigned int data_len);
-unsigned char *silc_decode_pem(unsigned char *pem, unsigned int pem_len,
- unsigned int *ret_len);
-int silc_parse_nickname(char *string, char **nickname, char **server,
- unsigned int *num);
-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,
- unsigned int **parsed_lens,
- unsigned int **parsed_types,
- unsigned int *parsed_num,
- unsigned int max_args);
+ 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, ...);
+/****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();
+
+/****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 */
projects / crypto.git / blobdiff