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diff --git a/src/cpphelp.cpp b/src/cpphelp.cpp
index edd5358..2522239 100644
--- a/src/cpphelp.cpp
+++ b/src/cpphelp.cpp
@@ -1,362 +1,386 @@
/* @file cpphelp.h
* @brief Common cpp helper stuff
*
* Copyright (C) 2018 Intevation GmbH
*
* This file is part of GpgOL.
*
* GpgOL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* GpgOL 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "cpphelp.h"
#include <algorithm>
#include <sstream>
#include <vector>
#include <iterator>
#include "common_indep.h"
#include <gpgme++/context.h>
#include <gpgme++/error.h>
#include <gpgme++/configuration.h>
#ifdef HAVE_W32_SYSTEM
# include "common.h"
# include <windows.h>
#else
#include "common_indep.h"
#endif
void
release_cArray (char **carray)
{
if (carray)
{
for (int idx = 0; carray[idx]; idx++)
{
xfree (carray[idx]);
}
xfree (carray);
}
}
void
rtrim(std::string &s)
{
s.erase (std::find_if (s.rbegin(), s.rend(), [] (int ch) {
return !std::isspace(ch);
}).base(), s.end());
}
void
ltrim(std::string &s)
{
s.erase (s.begin(), std::find_if (s.begin(), s.end(), [] (int ch) {
return !std::isspace(ch);
}));
}
void
trim(std::string &s)
{
ltrim (s);
rtrim (s);
}
void
remove_whitespace (std::string &s)
{
s.erase(remove_if(s.begin(), s.end(), isspace), s.end());
}
void
join(const std::vector<std::string>& v, const char *c, std::string& s)
{
s.clear();
for (auto p = v.begin(); p != v.end(); ++p)
{
s += *p;
if (p != v.end() - 1)
{
s += c;
}
}
}
char **
vector_to_cArray(const std::vector<std::string> &vec)
{
char ** ret = (char**) xmalloc (sizeof (char*) * (vec.size() + 1));
for (size_t i = 0; i < vec.size(); i++)
{
ret[i] = xstrdup (vec[i].c_str());
}
ret[vec.size()] = NULL;
return ret;
}
std::vector <std::string>
cArray_to_vector(const char **cArray)
{
std::vector<std::string> ret;
if (!cArray)
{
return ret;
}
for (int i = 0; cArray[i]; i++)
{
ret.push_back (std::string (cArray[i]));
}
return ret;
}
bool
in_de_vs_mode()
{
/* We cache the values only once. A change requires restart.
This is because checking this is very expensive as gpgconf
spawns each process to query the settings. */
static bool checked;
static bool vs_mode;
if (checked)
{
return vs_mode;
}
checked = true;
GpgME::Error err;
const auto components = GpgME::Configuration::Component::load (err);
log_debug ("%s:%s: Checking for de-vs mode.",
SRCNAME, __func__);
if (err)
{
log_error ("%s:%s: Failed to get gpgconf components: %s",
SRCNAME, __func__, err.asString ());
vs_mode = false;
return vs_mode;
}
for (const auto &component: components)
{
if (component.name () && !strcmp (component.name (), "gpg"))
{
for (const auto &option: component.options ())
{
if (option.name () && !strcmp (option.name (), "compliance") &&
option.currentValue ().stringValue () &&
#ifdef HAVE_W32_SYSTEM
!stricmp (option.currentValue ().stringValue (), "de-vs"))
#else
!strcasecmp (option.currentValue ().stringValue (), "de-vs"))
#endif
{
log_debug ("%s:%s: Detected de-vs mode",
SRCNAME, __func__);
vs_mode = true;
return vs_mode;
}
}
vs_mode = false;
return vs_mode;
}
}
vs_mode = false;
return false;
}
#ifdef HAVE_W32_SYSTEM
std::map<std::string, std::string>
get_registry_subkeys (const char *path)
{
HKEY theKey;
std::map<std::string, std::string> ret;
std::string regPath = GPGOL_REGPATH;
regPath += "\\";
regPath += path;
if (RegOpenKeyEx (HKEY_CURRENT_USER,
regPath.c_str (),
0, KEY_ENUMERATE_SUB_KEYS | KEY_READ,
&theKey) != ERROR_SUCCESS)
{
TRACEPOINT;
return ret;
}
DWORD values = 0,
maxValueName = 0,
maxValueLen = 0;
DWORD err = RegQueryInfoKey (theKey,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
&values,
&maxValueName,
&maxValueLen,
nullptr,
nullptr);
if (err != ERROR_SUCCESS)
{
TRACEPOINT;
RegCloseKey (theKey);
return ret;
}
/* Add space for NULL */
maxValueName++;
maxValueLen++;
char name[maxValueName + 1];
char value[maxValueLen + 1];
for (int i = 0; i < values; i++)
{
DWORD nameLen = maxValueName;
err = RegEnumValue (theKey, i,
name,
&nameLen,
nullptr,
nullptr,
nullptr,
nullptr);
if (err != ERROR_SUCCESS)
{
TRACEPOINT;
continue;
}
DWORD type;
DWORD valueLen = maxValueLen;
err = RegQueryValueEx (theKey, name,
NULL, &type,
(BYTE*)value, &valueLen);
if (err != ERROR_SUCCESS)
{
TRACEPOINT;
continue;
}
if (type != REG_SZ)
{
TRACEPOINT;
continue;
}
ret.insert (std::make_pair (std::string (name, nameLen),
std::string (value, valueLen)));
}
RegCloseKey (theKey);
return ret;
}
#endif
template<typename Out> void
internal_split (const std::string &s, char delim, Out result) {
std::stringstream ss(s);
std::string item;
while (std::getline (ss, item, delim))
{
*(result++) = item;
}
}
std::vector<std::string>
gpgol_split (const std::string &s, char delim)
{
std::vector<std::string> elems;
internal_split (s, delim, std::back_inserter (elems));
return elems;
}
std::string
string_to_hex(const std::string& input)
{
static const char* const lut = "0123456789ABCDEF";
size_t len = input.length();
std::string output;
output.reserve (3 * len + (len * 3 / 26));
for (size_t i = 0; i < len; ++i)
{
const unsigned char c = input[i];
output.push_back (lut[c >> 4]);
output.push_back (lut[c & 15]);
output.push_back (' ');
if (i % 26 == 0)
{
output.push_back ('\n');
}
}
return output;
}
bool
is_binary (const std::string &input)
{
for (int i = 0; i < input.size() - 1; ++i)
{
const unsigned char c = input[i];
if (c < 32 && c != 0x0d && c != 0x0a)
{
return true;
}
}
return false;
}
const char *
to_cstr (const GpgME::Protocol &prot)
{
return prot == GpgME::CMS ? "S/MIME" :
prot == GpgME::OpenPGP ? "OpenPGP" :
"Unknown Protocol";
}
void
find_and_replace(std::string& source, const std::string &find,
const std::string &replace)
{
TSTART;
for(std::string::size_type i = 0; (i = source.find(find, i)) != std::string::npos;)
{
source.replace(i, find.length(), replace);
i += replace.length();
}
TRETURN;
}
bool starts_with(const std::string &s, const char *prefix)
{
if (!prefix || s.empty ())
{
return false;
}
return s.substr(0, strlen (prefix)) == prefix;
}
bool starts_with(const std::string &s, const char prefix)
{
return !s.empty() && s.front() == prefix;
}
+
+static std::string
+do_string_printf (const char *fmt, va_list a)
+{
+ char *buf;
+ if (gpgrt_vasprintf (&buf, fmt, a) < 0)
+ {
+ STRANGEPOINT;
+ return std::string ();
+ }
+ std::string ret (buf);
+ free (buf);
+ return ret;
+}
+
+std::string
+string_printf (const char *fmt, ...)
+{
+ va_list a;
+ va_start (a, fmt);
+ std::string ret = do_string_printf (fmt, a);
+ va_end (a);
+ return ret;
+}
diff --git a/src/cpphelp.h b/src/cpphelp.h
index ff5b2f3..2d202e8 100644
--- a/src/cpphelp.h
+++ b/src/cpphelp.h
@@ -1,75 +1,77 @@
#ifndef CPPHELP_H
#define CPPHELP_H
/* @file cpphelp.h
* @brief Common cpp helper stuff
*
* Copyright (C) 2018 Intevation GmbH
*
* This file is part of GpgOL.
*
* GpgOL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* GpgOL 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <string>
#include <vector>
#include <map>
#include <gpgme++/global.h>
/* Stuff that should be in common but is c++ so it does not fit in there. */
/* Release a null terminated char* array */
void release_cArray (char **carray);
/* Trim whitespace from a string. */
void rtrim (std::string &s);
void ltrim (std::string &s);
void trim (std::string &s);
void remove_whitespace (std::string &s);
/* Join a string vector */
void join(const std::vector<std::string>& v, const char *c, std::string& s);
/* Convert a string vector to a null terminated char array */
char **vector_to_cArray (const std::vector<std::string> &vec);
std::vector <std::string> cArray_to_vector (const char **cArray);
/* More string helpers */
bool starts_with(const std::string &s, const char *prefix);
bool starts_with(const std::string &s, const char prefix);
/* Check if we are in de_vs mode. */
bool in_de_vs_mode ();
#ifdef HAVE_W32_SYSTEM
/* Get a map of all subkey value pairs in a registry key */
std::map<std::string, std::string> get_registry_subkeys (const char *path);
#endif
std::vector<std::string> gpgol_split (const std::string &s, char delim);
/* Convert a string to a hex representation */
std::string string_to_hex (const std::string& input);
/* Check if a string contains a char < 32 */
bool is_binary (const std::string &input);
/* Return a string repr of the GpgME Protocol */
const char *to_cstr (const GpgME::Protocol &prot);
/* Modify source and find and replace stuff */
void find_and_replace(std::string& source, const std::string &find,
const std::string &replace);
+
+std::string string_printf (const char *fmt, ...) __attribute__ ((format (printf,1,2)));
#endif // CPPHELP_H

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