13210394651

Committed 08 Feb 2025 12:33AM UTC coverage: 91.656% (-0.006%) from 91.662%

Build # 13210394651

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #4642 from randombit/jack/target-info-header

Add internal target_info.h header

Run Details

94837 of 103471 relevant lines covered (91.66%)

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91.3

/src/lib/utils/dyn_load/dyn_load.cpp

/*
* Dynamically Loaded Object
* (C) 2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/dyn_load.h>

#include <botan/exceptn.h>
#include <botan/internal/fmt.h>
#include <botan/internal/target_info.h>
#include <sstream>

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   #include <dlfcn.h>
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   #define NOMINMAX 1
   #define _WINSOCKAPI_  // stop windows.h including winsock.h
   #include <windows.h>
#endif

namespace Botan {

namespace {

void raise_runtime_loader_exception(std::string_view lib_name, const char* msg) {
   std::ostringstream err;
   err << "Failed to load " << lib_name << ": ";
   if(msg) {
      err << msg;
   } else {
      err << "Unknown error";
   }

   throw System_Error(err.str(), 0);
}

}  // namespace

Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) : m_lib_name(library), m_lib(nullptr) {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   m_lib = ::dlopen(m_lib_name.c_str(), RTLD_LAZY);

   if(!m_lib) {
      raise_runtime_loader_exception(m_lib_name, ::dlerror());
   }

#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   m_lib = ::LoadLibraryA(m_lib_name.c_str());

   if(!m_lib)
      raise_runtime_loader_exception(m_lib_name, "LoadLibrary failed");
#endif

   if(!m_lib) {
      raise_runtime_loader_exception(m_lib_name, "Dynamic load not supported");
   }
}

Dynamically_Loaded_Library::~Dynamically_Loaded_Library() {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   ::dlclose(m_lib);
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   ::FreeLibrary(reinterpret_cast<HMODULE>(m_lib));
#endif
}

void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol) {
   void* addr = nullptr;

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   addr = ::dlsym(m_lib, symbol.c_str());
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   addr = reinterpret_cast<void*>(::GetProcAddress(reinterpret_cast<HMODULE>(m_lib), symbol.c_str()));
#endif

   if(!addr) {
      throw Invalid_Argument(fmt("Failed to resolve symbol {} in {}", symbol, m_lib_name));
   }

   return addr;
}

}  // namespace Botan

1	/*
2	* Dynamically Loaded Object
3	* (C) 2010 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/internal/dyn_load.h>
9
10	#include <botan/exceptn.h>
11	#include <botan/internal/fmt.h>
12	#include <botan/internal/target_info.h>
13	#include <sstream>
14
15	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
16	#include <dlfcn.h>
17	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
18	#define NOMINMAX 1
19	#define _WINSOCKAPI_ // stop windows.h including winsock.h
20	#include <windows.h>
21	#endif
22
23	namespace Botan {
24
25	namespace {
26
27	void raise_runtime_loader_exception(std::string_view lib_name, const char* msg) {	1✔
28	std::ostringstream err;	1✔
29	err << "Failed to load " << lib_name << ": ";	1✔
30	if(msg) {	1✔
31	err << msg;	1✔
32	} else {
33	err << "Unknown error";	×
34	}
35
36	throw System_Error(err.str(), 0);	2✔
37	}	1✔
38
39	} // namespace
40
41	Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) : m_lib_name(library), m_lib(nullptr) {	76✔
42	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
43	m_lib = ::dlopen(m_lib_name.c_str(), RTLD_LAZY);	76✔
44
45	if(!m_lib) {	76✔
46	raise_runtime_loader_exception(m_lib_name, ::dlerror());	1✔
47	}
48
49	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
50	m_lib = ::LoadLibraryA(m_lib_name.c_str());
51
52	if(!m_lib)
53	raise_runtime_loader_exception(m_lib_name, "LoadLibrary failed");
54	#endif
55
56	if(!m_lib) {	75✔
57	raise_runtime_loader_exception(m_lib_name, "Dynamic load not supported");
58	}
59	}	76✔
60
61	Dynamically_Loaded_Library::~Dynamically_Loaded_Library() {	75✔
62	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
63	::dlclose(m_lib);	75✔
64	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
65	::FreeLibrary(reinterpret_cast<HMODULE>(m_lib));
66	#endif
67	}	75✔
68
69	void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol) {	77✔
70	void* addr = nullptr;	77✔
71
72	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
73	addr = ::dlsym(m_lib, symbol.c_str());	77✔
74	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
75	addr = reinterpret_cast<void*>(::GetProcAddress(reinterpret_cast<HMODULE>(m_lib), symbol.c_str()));
76	#endif
77
78	if(!addr) {	77✔
79	throw Invalid_Argument(fmt("Failed to resolve symbol {} in {}", symbol, m_lib_name));	×
80	}
81
82	return addr;	77✔
83	}
84
85	} // namespace Botan

randombit / botan / 13210394651

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