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fix terminal / shell detection

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This commit is contained in:
Linus Dierheimer
2021-06-15 09:21:38 +02:00
parent 5515eea42d
commit cab5069be2
2 changed files with 17 additions and 12 deletions
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src/common/detectTerminalShell.c
+16 -11
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@@ -22,6 +22,7 @@ static void getProcessInformation(const char* pid, FFstrbuf* processName, FFstrb
ffGetFileContent(cmdlineFilePath.chars, exe);
ffStrbufSubstrBeforeFirstC(exe, '\0'); //Trim the arguments
ffStrbufTrimLeft(exe, '-'); //Happens in TTY
if(exe->length == 0)
ffStrbufSet(exe, processName);
@@ -33,9 +34,6 @@ static void getProcessInformation(const char* pid, FFstrbuf* processName, FFstrb
static void getTerminalShell(FFTerminalShellResult* result, const char* pid)
{
if(pid == NULL || *pid == '\0')
return;
FFstrbuf statFilePath;
ffStrbufInit(&statFilePath);
ffStrbufAppendS(&statFilePath, "/proc/");
@@ -55,15 +53,18 @@ static void getTerminalShell(FFTerminalShellResult* result, const char* pid)
char ppid[256];
ppid[0] = '\0';
fscanf(stat, "%*s (%255[^)]) %*c %255s", name, ppid); //stat (comm) state ppid
fclose(stat);
if(
fscanf(stat, "%*s (%255[^)]) %*c %255s", name, ppid) != 2 || //stat (comm) state ppid
*name == '\0' ||
*ppid == '\0' ||
*ppid == '-' ||
strcasecmp(ppid, "0") == 0
) return;
) {
fclose(stat);
return;
}
fclose(stat);
//Common programs that are between terminal and own process, but are not the shell
if(
@@ -101,11 +102,13 @@ static void getTerminalShell(FFTerminalShellResult* result, const char* pid)
static void getTerminalFromEnv(FFTerminalShellResult* result)
{
if(
result->terminalProcessName.length != 0 &&
ffStrbufStartsWithIgnCaseS(&result->terminalProcessName, "login") != 0 &&
result->terminalProcessName.length > 0 &&
!ffStrbufStartsWithIgnCaseS(&result->terminalProcessName, "login") &&
ffStrbufIgnCaseCompS(&result->terminalProcessName, "(login)") != 0 &&
ffStrbufIgnCaseCompS(&result->terminalProcessName, "systemd") != 0 &&
ffStrbufIgnCaseCompS(&result->terminalProcessName, "init") != 0 &&
ffStrbufIgnCaseCompS(&result->terminalProcessName, "(init)") != 0
ffStrbufIgnCaseCompS(&result->terminalProcessName, "(init)") != 0 &&
ffStrbufIgnCaseCompS(&result->terminalProcessName, "0") != 0
) return;
char* term = getenv("TERM");
@@ -114,7 +117,9 @@ static void getTerminalFromEnv(FFTerminalShellResult* result)
if(term == NULL || *term == '\0' || strcasecmp(term, "linux") == 0)
term = ttyname(STDIN_FILENO);
ffStrbufAppendS(&result->terminalProcessName, term);
if(result->terminalProcessName.length == 0)
ffStrbufAppendS(&result->terminalProcessName, term);
ffStrbufSetS(&result->terminalExe, term);
setExeName(&result->terminalExe, &result->terminalExeName);
}