From 3234d70ac408dc48c31fe30ac7f456829c3a1912 Mon Sep 17 00:00:00 2001 From: lloyd Date: Sat, 1 Jul 2006 18:23:21 +0000 Subject: Rename conf.* to config.* --- src/config.cpp | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 src/config.cpp (limited to 'src/config.cpp') diff --git a/src/config.cpp b/src/config.cpp new file mode 100644 index 000000000..0266444fe --- /dev/null +++ b/src/config.cpp @@ -0,0 +1,153 @@ +/************************************************* +* Configuration Handling Source File * +* (C) 1999-2006 The Botan Project * +*************************************************/ + +#include +#include +#include +#include +#include +#include + +namespace Botan { + +namespace Config { + +/************************************************* +* Set an option * +*************************************************/ +void set(const std::string& name, const std::string& value, bool overwrite) + { + global_state().set_option("conf", name, value, overwrite); + } + +/************************************************* +* Get the value of an option as a string * +*************************************************/ +std::string get_string(const std::string& name) + { + return global_state().get_option("conf", name); + } + +/************************************************* +* Get the value as a list of strings * +*************************************************/ +std::vector get_list(const std::string& name) + { + return split_on(get_string(name), ':'); + } + +/************************************************* +* Get the value as a u32bit * +*************************************************/ +u32bit get_u32bit(const std::string& name) + { + return parse_expr(get_string(name)); + } + +/************************************************* +* Get the value as a time * +*************************************************/ +u32bit get_time(const std::string& name) + { + const std::string timespec = get_string(name); + if(timespec == "") + return 0; + + const char suffix = timespec[timespec.size()-1]; + std::string value = timespec.substr(0, timespec.size()-1); + + u32bit scale = 1; + + if(Charset::is_digit(suffix)) + value += suffix; + else if(suffix == 's') + scale = 1; + else if(suffix == 'm') + scale = 60; + else if(suffix == 'h') + scale = 60 * 60; + else if(suffix == 'd') + scale = 24 * 60 * 60; + else if(suffix == 'y') + scale = 365 * 24 * 60 * 60; + else + throw Decoding_Error("Config::get_time: Unknown time value " + value); + + return scale * to_u32bit(value); + } + +/************************************************* +* Get the value as a boolean * +*************************************************/ +bool get_bool(const std::string& name) + { + const std::string value = get_string(name); + if(value == "0" || value == "false") + return false; + if(value == "1" || value == "true") + return true; + throw Decoding_Error("Config::get_bool: Unknown boolean value " + value); + } + +/************************************************* +* Choose the signature format for a PK algorithm * +*************************************************/ +void choose_sig_format(const std::string& algo_name, std::string& padding, + Signature_Format& format) + { + std::string dummy; + choose_sig_format(algo_name, padding, dummy, format); + } + +/************************************************* +* Choose the signature format for a PK algorithm * +*************************************************/ +void choose_sig_format(const std::string& algo_name, std::string& padding, + std::string& hash, Signature_Format& format) + { + if(algo_name == "RSA") + { + hash = deref_alias(get_string("x509/ca/rsa_hash")); + if(hash == "") + throw Invalid_State("No value set for x509/ca/rsa_hash"); + + padding = "EMSA3(" + hash + ")"; + format = IEEE_1363; + } + else if(algo_name == "DSA") + { + hash = deref_alias("SHA-1"); + padding = "EMSA1(" + hash + ")"; + format = DER_SEQUENCE; + } + else + throw Invalid_Argument("Unknown X.509 signing key type: " + algo_name); + } + +} + +/************************************************* +* Add an alias for an algorithm * +*************************************************/ +void add_alias(const std::string& alias, const std::string& official_name) + { + if(alias == "" || official_name == "") + return; + + global_state().set_option("alias", alias, official_name); + } + +/************************************************* +* Dereference an alias * +*************************************************/ +std::string deref_alias(const std::string& name) + { + std::string result = name; + while(global_state().option_set("alias", result)) + result = global_state().get_option("alias", result); + return result; + } + +} -- cgit v1.2.3