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TerminalShell (Linux): detect real exe path

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This commit is contained in:
Carter Li
2024-01-19 11:00:25 +08:00
committed by 李通洲
parent 7d78d92a92
commit e013c87890
1 changed files with 12 additions and 3 deletions
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src/detection/terminalshell/terminalshell_linux.c
+12 -3
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@@ -31,16 +31,25 @@ static void getProcessInformation(pid_t pid, FFstrbuf* processName, FFstrbuf* ex
#ifdef __linux__
char cmdlineFilePath[64];
snprintf(cmdlineFilePath, sizeof(cmdlineFilePath), "/proc/%d/cmdline", (int)pid);
char filePath[64];
snprintf(filePath, sizeof(filePath), "/proc/%d/cmdline", (int)pid);
if(ffAppendFileBuffer(cmdlineFilePath, exe))
if(ffAppendFileBuffer(filePath, exe))
{
ffStrbufTrimRightSpace(exe);
ffStrbufRecalculateLength(exe); //Trim the arguments
ffStrbufTrimLeft(exe, '-'); //Login shells start with a dash
}
snprintf(filePath, sizeof(filePath), "/proc/%d/exe", (int)pid);
ffStrbufEnsureFixedLengthFree(exePath, PATH_MAX);
ssize_t length = readlink(filePath, exePath->chars, exePath->allocated - 1);
if (length > 0) // doesn't contain trailing NUL
{
exePath->chars[length + 1] = '\0';
exePath->length = (uint32_t) length;
}
#elif defined(__APPLE__)
size_t len = 0;