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Added support for glob

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thanks to tsoding/glob.h
This commit is contained in:
Nikola Petrov 2023-08-15 00:15:16 +02:00
parent 6317e9f699
commit 43fda0a392
5 changed files with 118 additions and 2 deletions
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2
Password_manager/Password_manager.vcxproj
View File

@ -135,6 +135,7 @@
<ItemGroup>
<ClCompile Include="source\buffer.cpp" />
<ClCompile Include="source\func.cpp" />
<ClCompile Include="source\glob.cpp" />
<ClCompile Include="source\win.cpp" />
<ClCompile Include="source\cryptography.cpp" />
<ClCompile Include="source\main.cpp" />
@ -142,6 +143,7 @@
<ItemGroup>
<ClInclude Include="include\buffer.h" />
<ClInclude Include="include\func.h" />
<ClInclude Include="include\glob.h" />
<ClInclude Include="include\win.h" />
<ClInclude Include="include\cryptography.h" />
</ItemGroup>

6
Password_manager/Password_manager.vcxproj.filters
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@ -30,6 +30,9 @@
<ClCompile Include="source\buffer.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="source\glob.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="include\win.h">
@ -44,5 +47,8 @@
<ClInclude Include="include\func.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="include\glob.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>

13
Password_manager/include/glob.h Normal file
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@ -0,0 +1,13 @@
#pragma once
enum class Glob_Result {
OOM_ERROR,
ENCODING_ERROR,
SYNTAX_ERROR,
UNMATCHED,
MATCHED,
} ;
// https://github.com/tsoding/glob.h
Glob_Result glob(const char* pattern, const char* text);

5
Password_manager/source/func.cpp
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@ -1,4 +1,5 @@
#include "func.h"
#include "glob.h"
Pass* find_password(Buffer* buff, char* label)
{
@ -6,7 +7,7 @@ Pass* find_password(Buffer* buff, char* label)
for (int i = 0; i < buff->taken / sizeof(Pass); i++)
{
if (!strcmp(passwords[i].label, label))
if (glob(label, passwords[i].label) == Glob_Result::MATCHED)
{
return &passwords[i];
}
@ -66,7 +67,7 @@ void print_usage()
printf_s(" Note: <label> max len %d char\n\n", MAX_STRING_SIZE);
printf_s(" Flags:\n\n");
printf_s(" -h \t print this message\n");
printf_s(" <label> \t get password of this label\n");
printf_s(" <label> \t get password of this label can use GLOB\n");
printf_s(" -g <label> \t generate or update password of this label\n");
printf_s(" -d <label> \t delete password of this label\n");
printf_s(" -i <label> \t input password for this label max %d char\n", MAX_STRING_SIZE);

94
Password_manager/source/glob.cpp Normal file
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@ -0,0 +1,94 @@
#include "glob.h"
Glob_Result glob(const char* pattern, const char* text)
{
while (*pattern != '\0' && *text != '\0') {
switch (*pattern) {
case '?': {
pattern += 1;
text += 1;
}
break;
case '*': {
Glob_Result result = glob(pattern + 1, text);
if (result != Glob_Result::UNMATCHED) return result;
text += 1;
}
break;
case '[': {
bool matched = false;
bool negate = false;
pattern += 1; // skipping [
if (*pattern == '\0') return Glob_Result::SYNTAX_ERROR; // unclosed [
if (*pattern == '!') {
negate = true;
pattern += 1;
if (*pattern == '\0') return Glob_Result::SYNTAX_ERROR; // unclosed [
}
char prev = *pattern;
matched |= prev == *text;
pattern += 1;
while (*pattern != ']' && *pattern != '\0') {
switch (*pattern) {
case '-': {
pattern += 1;
switch (*pattern) {
case ']':
matched |= '-' == *text;
break;
case '\0':
return Glob_Result::SYNTAX_ERROR; // unclosed [
default: {
matched |= prev <= *text && *text <= *pattern;
prev = *pattern;
pattern += 1;
}
}
}
break;
default: {
prev = *pattern;
matched |= prev == *text;
pattern += 1;
}
}
}
if (*pattern != ']') return Glob_Result::SYNTAX_ERROR; // unclosed [
if (negate) matched = !matched;
if (!matched) return Glob_Result::UNMATCHED;
pattern += 1;
text += 1;
}
break;
case '\\':
pattern += 1;
if (*pattern == '\0') return Glob_Result::SYNTAX_ERROR; // unfinished escape
// fallthrough
default: {
if (*pattern == *text) {
pattern += 1;
text += 1;
}
else {
return Glob_Result::UNMATCHED;
}
}
}
}
if (*text == '\0') {
while (*pattern == '*') pattern += 1;
if (*pattern == '\0') return Glob_Result::MATCHED;
}
return Glob_Result::UNMATCHED;
}