mirror of
https://github.com/Droid-Deck/DroidDeck.git
synced 2026-11-11 02:51:10 +00:00
Kurt Himebauch
055e2ec78f
* Fix Electron Node mode sandbox injection * fix(preload): treat any nonempty ELECTRON_RUN_AS_NODE as Electron Node mode
107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
#define _GNU_SOURCE
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#ifndef WEBHELPER_DEFAULT
|
|
#define WEBHELPER_DEFAULT "--no-zygote --in-process-gpu -AudioServiceOutOfProcess"
|
|
#endif
|
|
|
|
static int is_webhelper_browser(const char *path, char *const argv[]) {
|
|
if (!path || !argv) return 0;
|
|
const char *base = strrchr(path, '/');
|
|
base = base ? base + 1 : path;
|
|
if (strcmp(base, "steamwebhelper")) return 0;
|
|
for (int i = 1; argv[i]; i++)
|
|
if (!strncmp(argv[i], "--type=", 7)) return 0;
|
|
return 1;
|
|
}
|
|
|
|
static char *join_features(const char *have, const char *add) {
|
|
size_t a = have ? strlen(have) : 0, b = strlen(add);
|
|
char *out = malloc(a + b + 2);
|
|
if (!out) return NULL;
|
|
out[0] = 0;
|
|
if (a) strcat(strcat(out, have), ",");
|
|
return strcat(out, add);
|
|
}
|
|
|
|
static int electron_node_mode(char *const envp[]) {
|
|
static const char variable[] = "ELECTRON_RUN_AS_NODE=";
|
|
for (int i = 0; envp && envp[i]; i++)
|
|
if (!strncmp(envp[i], variable, sizeof variable - 1))
|
|
return envp[i][sizeof variable - 1] != 0;
|
|
return 0;
|
|
}
|
|
|
|
static char *const *chromium_argv(const char *path, char *const argv[]) {
|
|
const char *slash = path ? strrchr(path, '/') : NULL;
|
|
if (!slash || !argv || !argv[0]) return argv;
|
|
int argc = 0;
|
|
for (; argv[argc]; argc++)
|
|
if (argc && (!strncmp(argv[argc], "--type=", 7) || !strcmp(argv[argc], "--no-sandbox"))) return argv;
|
|
size_t dir = (size_t)(slash - path) + 1;
|
|
char *sandbox = malloc(dir + sizeof "chrome-sandbox");
|
|
if (!sandbox) return argv;
|
|
memcpy(sandbox, path, dir);
|
|
strcpy(sandbox + dir, "chrome-sandbox");
|
|
int chromium = access(sandbox, F_OK) == 0;
|
|
free(sandbox);
|
|
if (!chromium) return argv;
|
|
char **out = calloc((size_t)argc + 2, sizeof *out);
|
|
if (!out) return argv;
|
|
out[0] = argv[0];
|
|
out[1] = (char *)"--no-sandbox";
|
|
for (int i = 1; i < argc; i++) out[i + 1] = argv[i];
|
|
return out;
|
|
}
|
|
|
|
__attribute__((visibility("hidden")))
|
|
char *const *bl_webhelper_argv(const char *path, char *const argv[], char *const envp[]) {
|
|
if (electron_node_mode(envp)) return argv;
|
|
if (!is_webhelper_browser(path, argv)) return chromium_argv(path, argv);
|
|
const char *spec = getenv("BL_WEBHELPER_ARGS");
|
|
if (!spec || !*spec) spec = WEBHELPER_DEFAULT;
|
|
if (!strcmp(spec, "stock")) return argv;
|
|
|
|
int argc = 0;
|
|
while (argv[argc]) argc++;
|
|
char *tokens = strdup(spec);
|
|
if (!tokens) return argv;
|
|
int extra = 0;
|
|
for (char *c = tokens; *c; c++)
|
|
if (*c == ' ') extra++;
|
|
char **out = calloc(argc + extra + 4, sizeof *out);
|
|
if (!out) return argv;
|
|
|
|
const char *enable = NULL, *disable = NULL;
|
|
int n = 0;
|
|
for (int i = 0; i < argc; i++) {
|
|
if (i && !strncmp(argv[i], "--enable-features=", 18)) enable = argv[i] + 18;
|
|
else if (i && !strncmp(argv[i], "--disable-features=", 19)) disable = argv[i] + 19;
|
|
else out[n++] = argv[i];
|
|
}
|
|
char *add_enable = NULL, *add_disable = NULL, *save = NULL;
|
|
for (char *t = strtok_r(tokens, " ", &save); t; t = strtok_r(NULL, " ", &save)) {
|
|
if (t[0] == '+' && t[1]) {
|
|
char *joined = join_features(add_enable, t + 1);
|
|
free(add_enable);
|
|
add_enable = joined;
|
|
} else if (t[0] == '-' && t[1] && t[1] != '-') {
|
|
char *joined = join_features(add_disable, t + 1);
|
|
free(add_disable);
|
|
add_disable = joined;
|
|
} else if (!strncmp(t, "--", 2)) {
|
|
out[n++] = t;
|
|
}
|
|
}
|
|
char *merged;
|
|
if (add_enable && (merged = join_features(enable, add_enable))) enable = merged;
|
|
if (add_disable && (merged = join_features(disable, add_disable))) disable = merged;
|
|
char *flag;
|
|
if (enable && (flag = malloc(strlen(enable) + 19))) out[n++] = strcat(strcpy(flag, "--enable-features="), enable);
|
|
if (disable && (flag = malloc(strlen(disable) + 20))) out[n++] = strcat(strcpy(flag, "--disable-features="), disable);
|
|
out[n] = NULL;
|
|
return out;
|
|
}
|