/src/Botan-3.4.0/src/lib/utils/filesystem.cpp

Source (jump to first uncovered line)
/*
* (C) 2015,2017,2019 Jack Lloyd
* (C) 2015 Simon Warta (Kullo GmbH)
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/exceptn.h>

#include <botan/internal/filesystem.h>
#include <algorithm>
#include <deque>
#include <memory>
#include <sstream>

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   #include <dirent.h>
   #include <functional>
   #include <sys/stat.h>
   #include <sys/types.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 {

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)

std::vector<std::string> impl_readdir(std::string_view dir_path) {
   std::vector<std::string> out;
   std::deque<std::string> dir_list;
   dir_list.push_back(std::string(dir_path));

   while(!dir_list.empty()) {
      const std::string cur_path = dir_list[0];
      dir_list.pop_front();

      std::unique_ptr<DIR, std::function<int(DIR*)>> dir(::opendir(cur_path.c_str()), ::closedir);

      if(dir) {
         while(struct dirent* dirent = ::readdir(dir.get())) {
            const std::string filename = dirent->d_name;
            if(filename == "." || filename == "..") {
               continue;
            }

            std::ostringstream full_path_sstr;
            full_path_sstr << cur_path << "/" << filename;
            const std::string full_path = full_path_sstr.str();

            struct stat stat_buf;

            if(::stat(full_path.c_str(), &stat_buf) == -1) {
               continue;
            }

            if(S_ISDIR(stat_buf.st_mode)) {
               dir_list.push_back(full_path);
            } else if(S_ISREG(stat_buf.st_mode)) {
               out.push_back(full_path);
            }
         }
      }
   }

   return out;
}

#elif defined(BOTAN_TARGET_OS_HAS_WIN32)

std::vector<std::string> impl_win32(std::string_view dir_path) {
   std::vector<std::string> out;
   std::deque<std::string> dir_list;
   dir_list.push_back(std::string(dir_path));

   while(!dir_list.empty()) {
      const std::string cur_path = dir_list[0];
      dir_list.pop_front();

      WIN32_FIND_DATAA find_data;
      HANDLE dir = ::FindFirstFileA((cur_path + "/*").c_str(), &find_data);

      if(dir != INVALID_HANDLE_VALUE) {
         do {
            const std::string filename = find_data.cFileName;
            if(filename == "." || filename == "..")
               continue;
            const std::string full_path = cur_path + "/" + filename;

            if(find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
               dir_list.push_back(full_path);
            } else {
               out.push_back(full_path);
            }
         } while(::FindNextFileA(dir, &find_data));
      }

      ::FindClose(dir);
   }

   return out;
}
#endif

}  // namespace

bool has_filesystem_impl() {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   return true;
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   return true;
#else
   return false;
#endif
}

std::vector<std::string> get_files_recursive(std::string_view dir) {
   std::vector<std::string> files;

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   files = impl_readdir(dir);
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   files = impl_win32(dir);
#else
   BOTAN_UNUSED(dir);
   throw No_Filesystem_Access();
#endif

   std::sort(files.begin(), files.end());

   return files;
}

}  // namespace Botan

Line	Count	Source (jump to first uncovered line)
1		/*
2		* (C) 2015,2017,2019 Jack Lloyd
3		* (C) 2015 Simon Warta (Kullo GmbH)
4		*
5		* Botan is released under the Simplified BSD License (see license.txt)
6		*/
7
8		#include <botan/exceptn.h>
9
10		#include <botan/internal/filesystem.h>
11		#include <algorithm>
12		#include <deque>
13		#include <memory>
14		#include <sstream>
15
16		#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
17		#include <dirent.h>
18		#include <functional>
19		#include <sys/stat.h>
20		#include <sys/types.h>
21		#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
22		#define NOMINMAX 1
23		#define _WINSOCKAPI_ // stop windows.h including winsock.h
24		#include <windows.h>
25		#endif
26
27		namespace Botan {
28
29		namespace {
30
31		#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
32
33	0	std::vector<std::string> impl_readdir(std::string_view dir_path) {
34	0	std::vector<std::string> out;
35	0	std::deque<std::string> dir_list;
36	0	dir_list.push_back(std::string(dir_path));
37
38	0	while(!dir_list.empty()) {
39	0	const std::string cur_path = dir_list[0];
40	0	dir_list.pop_front();
41
42	0	std::unique_ptr<DIR, std::function<int(DIR*)>> dir(::opendir(cur_path.c_str()), ::closedir);
43
44	0	if(dir) {
45	0	while(struct dirent* dirent = ::readdir(dir.get())) {
46	0	const std::string filename = dirent->d_name;
47	0	if(filename == "." \|\| filename == "..") {
48	0	continue;
49	0	}
50
51	0	std::ostringstream full_path_sstr;
52	0	full_path_sstr << cur_path << "/" << filename;
53	0	const std::string full_path = full_path_sstr.str();
54
55	0	struct stat stat_buf;
56
57	0	if(::stat(full_path.c_str(), &stat_buf) == -1) {
58	0	continue;
59	0	}
60
61	0	if(S_ISDIR(stat_buf.st_mode)) {
62	0	dir_list.push_back(full_path);
63	0	} else if(S_ISREG(stat_buf.st_mode)) {
64	0	out.push_back(full_path);
65	0	}
66	0	}
67	0	}
68	0	}
69
70	0	return out;
71	0	}
72
73		#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
74
75		std::vector<std::string> impl_win32(std::string_view dir_path) {
76		std::vector<std::string> out;
77		std::deque<std::string> dir_list;
78		dir_list.push_back(std::string(dir_path));
79
80		while(!dir_list.empty()) {
81		const std::string cur_path = dir_list[0];
82		dir_list.pop_front();
83
84		WIN32_FIND_DATAA find_data;
85		HANDLE dir = ::FindFirstFileA((cur_path + "/*").c_str(), &find_data);
86
87		if(dir != INVALID_HANDLE_VALUE) {
88		do {
89		const std::string filename = find_data.cFileName;
90		if(filename == "." \|\| filename == "..")
91		continue;
92		const std::string full_path = cur_path + "/" + filename;
93
94		if(find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
95		dir_list.push_back(full_path);
96		} else {
97		out.push_back(full_path);
98		}
99		} while(::FindNextFileA(dir, &find_data));
100		}
101
102		::FindClose(dir);
103		}
104
105		return out;
106		}
107		#endif
108
109		} // namespace
110
111	0	bool has_filesystem_impl() {
112	0	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
113	0	return true;
114		#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
115		return true;
116		#else
117		return false;
118		#endif
119	0	}
120
121	0	std::vector<std::string> get_files_recursive(std::string_view dir) {
122	0	std::vector<std::string> files;
123
124	0	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
125	0	files = impl_readdir(dir);
126		#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
127		files = impl_win32(dir);
128		#else
129		BOTAN_UNUSED(dir);
130		throw No_Filesystem_Access();
131		#endif
132
133	0	std::sort(files.begin(), files.end());
134
135	0	return files;
136	0	}
137
138		} // namespace Botan

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Created: 2025-07-11 06:15