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Implement fallback logic for XAUTHORITY

This commit is contained in:
Utkarsh Verma 2022-05-24 07:41:35 +05:30
parent 908ebf8964
commit 38aacc6b1c
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GPG Key ID: 817656CF818EFCCC
1 changed files with 24 additions and 3 deletions
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27
src/login.c
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@ -304,10 +304,31 @@ void remove_utmp_entry(struct utmp *entry) {
endutent();
}
void xauth(const char* display_name, const char* shell)
void xauth(const char* display_name, const char* shell, char* pwd)
{
const char* xauth_file = ".lyxauth";
char* xauth_dir = getenv("XDG_RUNTIME_DIR");
if ((xauth_dir == NULL) || (*xauth_dir == '\0'))
{
xauth_dir = getenv("XDG_CONFIG_DIR");
if ((xauth_dir == NULL) || (*xauth_dir == '\0'))
{
xauth_dir = pwd;
xauth_file = "lyxauth";
}
}
else
{
xauth_file = "lyxauth";
}
// trim trailing slashes
int i = strlen(xauth_dir) - 1;
while (xauth_dir[i] == '/') i--;
xauth_dir[i + 1] = '\0';
char xauthority[256];
snprintf(xauthority, 256, "%s/%s", getenv("XDG_RUNTIME_DIR"), "lyxauth");
snprintf(xauthority, 256, "%s/%s", xauth_dir, xauth_file);
setenv("XAUTHORITY", xauthority, 1);
setenv("DISPLAY", display_name, 1);
@ -346,7 +367,7 @@ void xorg(
char display_name[4];
snprintf(display_name, 3, ":%d", get_free_display());
xauth(display_name, pwd->pw_shell);
xauth(display_name, pwd->pw_shell, pwd->pw_dir);
// start xorg
pid_t pid = fork();