18679017918

Committed 21 Oct 2025 09:15AM UTC coverage: 69.743% (+2.0%) from 67.713%

Build # 18679017918

Build Type

Pull #16307

github

Committed by

web-flow

Commit Message

Merge ba88af487 into da98764c6

Pull Request Pull Request #16307: rec: explicit disabling/enabling of tls-gnutls for full and least configs and packages

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37.5

/pdns/arguments.hh

/*
 * This file is part of PowerDNS or dnsdist.
 * Copyright -- PowerDNS.COM B.V. and its contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * In addition, for the avoidance of any doubt, permission is granted to
 * link this program with OpenSSL and to (re)distribute the binaries
 * produced as the result of such linking.
 *
 * 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
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU 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.
 */
#pragma once
#include <map>
#include <set>
#include <string>
#include <vector>
#include <fstream>
#include <iostream>
#include "misc.hh"
#include "pdnsexception.hh"
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>

#include "namespaces.hh"
#include "logging.hh"

using ArgException = PDNSException;

/** This class helps parsing argc and argv into a map of parameters. We have 3 kinds of formats:


    -w           this leads to a key/value pair of "w"/void

    --port=25    "port"/"25"

    --daemon     "daemon"/void

    We do not support "--port 25" syntax.

    It can also read from a file. This file can contain '#' to delimit comments.

    Some sample code:

    \code

    ArgvMap R;

    R.set("port")="25";  // use this to specify default parameters
    R.file("./default.conf"); // parse configuration file

    R.parse(argc, argv); // read the arguments from main()

    cout<<"Will we be a daemon?: "<<R.isset("daemon")<<endl;
    cout<<"Our port will be "<<R["port"]<<endl;

    map<string,string>::const_iterator i;
    cout<<"via iterator"<<endl;
    for(i=R.begin();i!=R.end();i++)
    cout<<i->first<<"="<<i->second<<endl;
    \endcode
*/

class ArgvMap
{
public:
  ArgvMap();
  void parse(int& argc, char** argv, bool lax = false); //!< use this to parse from argc and argv
  void laxParse(int& argc, char** argv) //!< use this to parse from argc and argv
  {
    parse(argc, argv, true);
  }
  void preParse(int& argc, char** argv, const string& arg); //!< use this to preparse a single var
  bool preParseFile(const string& fname, const string& arg, const string& theDefault = ""); //!< use this to preparse a single var in configuration

  bool file(const string& fname, bool lax = false); //!< Parses a file with parameters
  bool file(const string& fname, bool lax, bool included);
  bool laxFile(const string& fname)
  {
    return file(fname, true);
  }
  bool parseFile(const string& fname, const string& arg, bool lax); //<! parse one line
  bool parmIsset(const string& var); //!< Checks if a parameter is set to *a* value
  bool mustDo(const string& var); //!< if a switch is given, if we must do something (--help)
  int asNum(const string& arg, int def = 0); //!< return a variable value as a number or the default if the variable is empty
  mode_t asMode(const string& arg); //!< return value interpreted as octal number
  uid_t asUid(const string& arg); //!< return user id, resolves if necessary
  gid_t asGid(const string& arg); //!< return group id, resolves if necessary
  double asDouble(const string& arg); //!< return a variable value as a number
  string& set(const string&); //!< Gives a writable reference and allocates space for it
  string& set(const string&, const string&); //!< Does the same but also allows one to specify a help message
  void setCmd(const string&, const string&); //!< Add a command flag
  string& setSwitch(const string&, const string&); //!< Add a switch flag
  string helpstring(string prefix = ""); //!< generates the --help
  string configstring(bool running, bool full); //!< generates the --config
  bool contains(const string& var, const string& val);
  bool isEmpty(const string& arg); //!< checks if variable has value
  void setDefault(const string& var, const string& value);
  void setDefaults();

  vector<string> list();
  [[nodiscard]] string getHelp(const string& item) const
  {
    auto iter = helpmap.find(item);
    return iter == helpmap.end() ? "" : iter->second;
  }
  [[nodiscard]] string getDefault(const string& item) const
  {
    auto iter = defaultmap.find(item);
    return iter == defaultmap.end() ? "" : iter->second;
  }
  using param_t = map<string, string>; //!< use this if you need to know the content of the map

  param_t::const_iterator begin(); //!< iterator semantics
  param_t::const_iterator end(); //!< iterator semantics
  const string& operator[](const string&); //!< iterator semantics
  const vector<string>& getCommands();
  void gatherIncludes(const std::string& dir, const std::string& suffix, std::vector<std::string>& extraConfigs);
  void warnIfDeprecated(const string& var) const;
  [[nodiscard]] static string isDeprecated(const string& var);
#ifdef RECURSOR
  void setSLog(Logr::log_t log)
  {
    d_log = log;
  }
#endif
private:
  void parseOne(const string& arg, const string& parseOnly = "", bool lax = false);
  static string formatOne(bool running, bool full, const string& var, const string& help, const string& theDefault, const string& current);
  map<string, string> d_params;
  map<string, string> d_unknownParams;
  map<string, string> helpmap;
  map<string, string> defaultmap;
  map<string, string> d_typeMap;
  vector<string> d_cmds;
  std::set<string> d_cleared;
#ifdef RECURSOR
  std::shared_ptr<Logr::Logger> d_log;
#endif
};

extern ArgvMap& arg();

1	/*
2	* This file is part of PowerDNS or dnsdist.
3	* Copyright -- PowerDNS.COM B.V. and its contributors
4	*
5	* This program is free software; you can redistribute it and/or modify
6	* it under the terms of version 2 of the GNU General Public License as
7	* published by the Free Software Foundation.
8	*
9	* In addition, for the avoidance of any doubt, permission is granted to
10	* link this program with OpenSSL and to (re)distribute the binaries
11	* produced as the result of such linking.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21	*/
22	#pragma once
23	#include <map>
24	#include <set>
25	#include <string>
26	#include <vector>
27	#include <fstream>
28	#include <iostream>
29	#include "misc.hh"
30	#include "pdnsexception.hh"
31	#include <sys/types.h>
32	#include <pwd.h>
33	#include <grp.h>
34
35	#include "namespaces.hh"
36	#include "logging.hh"
37
38	using ArgException = PDNSException;
39
40	/** This class helps parsing argc and argv into a map of parameters. We have 3 kinds of formats:
41
42
43	-w this leads to a key/value pair of "w"/void
44
45	--port=25 "port"/"25"
46
47	--daemon "daemon"/void
48
49	We do not support "--port 25" syntax.
50
51	It can also read from a file. This file can contain '#' to delimit comments.
52
53	Some sample code:
54
55	\code
56
57	ArgvMap R;
58
59	R.set("port")="25"; // use this to specify default parameters
60	R.file("./default.conf"); // parse configuration file
61
62	R.parse(argc, argv); // read the arguments from main()
63
64	cout<<"Will we be a daemon?: "<<R.isset("daemon")<<endl;
65	cout<<"Our port will be "<<R["port"]<<endl;
66
67	map<string,string>::const_iterator i;
68	cout<<"via iterator"<<endl;
69	for(i=R.begin();i!=R.end();i++)
70	cout<<i->first<<"="<<i->second<<endl;
71	\endcode
72	*/
73
74	class ArgvMap
75	{
76	public:
77	ArgvMap();
78	void parse(int& argc, char** argv, bool lax = false); //!< use this to parse from argc and argv
79	void laxParse(int& argc, char** argv) //!< use this to parse from argc and argv
80	{	538✔
81	parse(argc, argv, true);	538✔
82	}	538✔
83	void preParse(int& argc, char** argv, const string& arg); //!< use this to preparse a single var
84	bool preParseFile(const string& fname, const string& arg, const string& theDefault = ""); //!< use this to preparse a single var in configuration
85
86	bool file(const string& fname, bool lax = false); //!< Parses a file with parameters
87	bool file(const string& fname, bool lax, bool included);
88	bool laxFile(const string& fname)
89	{	11,334✔
90	return file(fname, true);	11,334✔
91	}	11,334✔
92	bool parseFile(const string& fname, const string& arg, bool lax); //<! parse one line
93	bool parmIsset(const string& var); //!< Checks if a parameter is set to a value
94	bool mustDo(const string& var); //!< if a switch is given, if we must do something (--help)
95	int asNum(const string& arg, int def = 0); //!< return a variable value as a number or the default if the variable is empty
96	mode_t asMode(const string& arg); //!< return value interpreted as octal number
97	uid_t asUid(const string& arg); //!< return user id, resolves if necessary
98	gid_t asGid(const string& arg); //!< return group id, resolves if necessary
99	double asDouble(const string& arg); //!< return a variable value as a number
100	string& set(const string&); //!< Gives a writable reference and allocates space for it
101	string& set(const string&, const string&); //!< Does the same but also allows one to specify a help message
102	void setCmd(const string&, const string&); //!< Add a command flag
103	string& setSwitch(const string&, const string&); //!< Add a switch flag
104	string helpstring(string prefix = ""); //!< generates the --help
105	string configstring(bool running, bool full); //!< generates the --config
106	bool contains(const string& var, const string& val);
107	bool isEmpty(const string& arg); //!< checks if variable has value
108	void setDefault(const string& var, const string& value);
109	void setDefaults();
110
111	vector<string> list();
112	[[nodiscard]] string getHelp(const string& item) const
UNCOV 113	{	×
UNCOV 114	auto iter = helpmap.find(item);	×
UNCOV 115	return iter == helpmap.end() ? "" : iter->second;	×
UNCOV 116	}	×
117	[[nodiscard]] string getDefault(const string& item) const
UNCOV 118	{	×
UNCOV 119	auto iter = defaultmap.find(item);	×
UNCOV 120	return iter == defaultmap.end() ? "" : iter->second;	×
UNCOV 121	}	×
122	using param_t = map<string, string>; //!< use this if you need to know the content of the map
123
124	param_t::const_iterator begin(); //!< iterator semantics
125	param_t::const_iterator end(); //!< iterator semantics
126	const string& operator[](const string&); //!< iterator semantics
127	const vector<string>& getCommands();
128	void gatherIncludes(const std::string& dir, const std::string& suffix, std::vector<std::string>& extraConfigs);
129	void warnIfDeprecated(const string& var) const;
130	[[nodiscard]] static string isDeprecated(const string& var);
131	#ifdef RECURSOR
132	void setSLog(Logr::log_t log)
133	{
134	d_log = log;
135	}
136	#endif
137	private:
138	void parseOne(const string& arg, const string& parseOnly = "", bool lax = false);
139	static string formatOne(bool running, bool full, const string& var, const string& help, const string& theDefault, const string& current);
140	map<string, string> d_params;
141	map<string, string> d_unknownParams;
142	map<string, string> helpmap;
143	map<string, string> defaultmap;
144	map<string, string> d_typeMap;
145	vector<string> d_cmds;
146	std::set<string> d_cleared;
147	#ifdef RECURSOR
148	std::shared_ptr<Logr::Logger> d_log;
149	#endif
150	};
151
152	extern ArgvMap& arg();

PowerDNS / pdns / 18679017918

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