tildefriends/src/main.c

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C
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#include "log.h"
#include "mem.h"
#include "ssb.db.h"
#include "ssb.export.h"
#include "ssb.h"
#include "ssb.import.h"
#include "task.h"
#include "taskstub.js.h"
#include "tests.h"
#include "util.js.h"
#include "backtrace.h"
#include "sqlite3.h"
#include "xopt.h"
#include <stdlib.h>
#include <string.h>
#if !defined(_WIN32) && !defined(__APPLE__)
#include <signal.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#endif
#if !defined(_WIN32)
#include <unistd.h>
#endif
#if !defined(_countof)
#define _countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
#endif
#define XOPT_PARSE(name, flags, options, config_ptr, argc, argv, extrac_ptr, extrav_ptr, err_ptr, autohelp_file, autohelp_usage, autohelp_prefix, autohelp_suffix, autohelp_spacer) do { \
xoptContext *_xopt_ctx; \
*(err_ptr) = NULL; \
_xopt_ctx = xopt_context((name), (options), ((flags) ^ XOPT_CTX_POSIXMEHARDER), (err_ptr)); \
if (*(err_ptr)) break; \
*extrac_ptr = xopt_parse(_xopt_ctx, (argc), (argv), (config_ptr), (extrav_ptr), (err_ptr)); \
if ((config_ptr)->help) \
{ \
xoptAutohelpOptions __xopt_autohelp_opts; \
__xopt_autohelp_opts.usage = (autohelp_usage); \
__xopt_autohelp_opts.prefix = (autohelp_prefix); \
__xopt_autohelp_opts.suffix = (autohelp_suffix); \
__xopt_autohelp_opts.spacer = (autohelp_spacer); \
xopt_autohelp(_xopt_ctx, (autohelp_file), &__xopt_autohelp_opts, (err_ptr)); \
if (*(err_ptr)) goto __xopt_end_free_extrav; \
free(_xopt_ctx); \
goto xopt_help; \
} \
if (*(err_ptr)) goto __xopt_end_free_ctx; \
__xopt_end_free_ctx: \
free(_xopt_ctx); \
break; \
__xopt_end_free_extrav: \
free(*(extrav_ptr)); \
free(_xopt_ctx); \
break; \
} while (false)
static int _tf_command_test(const char* file, int argc, char* argv[]);
static int _tf_command_import(const char* file, int argc, char* argv[]);
static int _tf_command_export(const char* file, int argc, char* argv[]);
static int _tf_command_run(const char* file, int argc, char* argv[]);
static int _tf_command_sandbox(const char* file, int argc, char* argv[]);
static int _tf_command_check(const char* file, int argc, char* argv[]);
static int _tf_command_usage(const char* file, int argc, char* argv[]);
typedef struct _command_t {
const char* name;
int (*callback)(const char* file, int argc, char* argv[]);
const char* description;
} command_t;
const command_t k_commands[] = {
{ "run", _tf_command_run, "Run tildefriends (default)." },
{ "sandbox", _tf_command_sandbox, "Run a sandboxed tildefriends sandbox process (used internally)." },
{ "import", _tf_command_import, "Import apps to SSB." },
{ "export", _tf_command_export, "Export apps from SSB." },
{ "test", _tf_command_test, "Test SSB." },
{ "check", _tf_command_check, "Validate messages in the SSB database." },
};
const char* k_db_path_default = "db.sqlite";
struct backtrace_state* g_backtrace_state;
void shedPrivileges()
{
#if !defined(_WIN32)
struct rlimit zeroLimit;
zeroLimit.rlim_cur = 0;
zeroLimit.rlim_max = 0;
// RLIMIT_AS
// RLIMIT_CORE
// RLIMIT_CPU
// RLIMIT_DATA
// RLIMIT_FSIZE
// RLIMIT_RSS
// RLIMIT_RTPRIO
// RLIMIT_RTTIME
// RLIMIT_SIGPENDING
// RLIMIT_STACK
if (setrlimit(RLIMIT_FSIZE, &zeroLimit) != 0)
{
perror("setrlimit(RLIMIT_FSIZE, {0, 0})");
exit(-1);
}
if (setrlimit(RLIMIT_NOFILE, &zeroLimit) != 0)
{
perror("setrlimit(RLIMIT_NOFILE, {0, 0})");
exit(-1);
}
if (setrlimit(RLIMIT_NPROC, &zeroLimit) != 0)
{
perror("setrlimit(RLIMIT_NPROC, {0, 0})");
exit(-1);
}
#if !defined(__MACH__)
if (setrlimit(RLIMIT_LOCKS, &zeroLimit) != 0)
{
perror("setrlimit(RLIMIT_LOCKS, {0, 0})");
exit(-1);
}
if (setrlimit(RLIMIT_MSGQUEUE, &zeroLimit) != 0)
{
perror("setrlimit(RLIMIT_MSGQUEUE, {0, 0})");
exit(-1);
}
#endif
#endif
}
static int _tf_command_test(const char* file, int argc, char* argv[])
{
#if !defined(__ANDROID__)
typedef struct args_t {
const char* tests;
bool help;
} args_t;
xoptOption options[] = {
{ "tests", 't', offsetof(args_t, tests), NULL, XOPT_TYPE_STRING, NULL, "Comma-separated list of test names to run." },
{ "help", 'h', offsetof(args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
args_t args = { 0 };
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "test [options]", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
tf_test_options_t test_options =
{
.exe_path = file,
.tests = args.tests,
};
tf_tests(&test_options);
if (extras)
{
free((void*)extras);
}
return 0;
xopt_help:
if (extras)
{
free((void*)extras);
}
#endif
return 1;
}
static int _tf_command_import(const char* file, int argc, char* argv[])
{
typedef struct args_t {
const char* user;
const char* db_path;
bool help;
} args_t;
xoptOption options[] = {
{ "user", 'u', offsetof(args_t, user), NULL, XOPT_TYPE_STRING, NULL, "User into whose account apps will be imported (default: \"import\")." },
{ "db-path", 'd', offsetof(args_t, db_path), NULL, XOPT_TYPE_STRING, NULL, "Sqlite database path (default: db.sqlite)." },
{ "help", 'h', offsetof(args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
args_t args = { .user = "import", .db_path = k_db_path_default };
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_POSIXMEHARDER | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "import [options] [paths] ...", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, args.db_path);
if (extra_count)
{
for (int i = 0; i < extra_count; i++)
{
tf_printf("Importing %s...\n", extras[i]);
tf_ssb_import(ssb, args.user, extras[i]);
}
}
else
{
tf_printf("Importing %s...\n", "apps");
tf_ssb_import(ssb, args.user, "apps");
}
tf_ssb_destroy(ssb);
if (extras)
{
free((void*)extras);
}
return 0;
xopt_help:
if (extras)
{
free((void*)extras);
}
return 1;
}
static int _tf_command_export(const char* file, int argc, char* argv[])
{
typedef struct args_t {
const char* user;
const char* db_path;
bool help;
} args_t;
xoptOption options[] = {
{ "db-path", 'd', offsetof(args_t, db_path), NULL, XOPT_TYPE_STRING, NULL, "Sqlite database path (default: db.sqlite)." },
{ "user", 'u', offsetof(args_t, user), NULL, XOPT_TYPE_STRING, NULL, "User into whose apps will be exported (default: \"core\")." },
{ "help", 'h', offsetof(args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
args_t args = { .user = "core", .db_path = k_db_path_default };
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_POSIXMEHARDER | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "export [options] [paths] ...", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, args.db_path);
if (extra_count)
{
for (int i = 0; i < extra_count; i++)
{
tf_printf("Exporting %s...\n", extras[i]);
tf_ssb_export(ssb, extras[i]);
}
}
else
{
const char* k_export[] = {
"admin",
"api",
"apps",
"appstore",
"db",
"docs",
"follow",
"ssb",
"todo",
};
for (int i = 0; i < (int)_countof(k_export); i++)
{
char buffer[256];
snprintf(buffer, sizeof(buffer), "/~%s/%s", args.user, k_export[i]);
tf_printf("Exporting %s...\n", buffer);
tf_ssb_export(ssb, buffer);
}
}
tf_ssb_destroy(ssb);
if (extras)
{
free((void*)extras);
}
return 0;
xopt_help:
if (extras)
{
free((void*)extras);
}
return 1;
}
typedef struct tf_run_args_t {
const char* script;
int ssb_port;
int http_port;
int https_port;
const char* db_path;
int count;
const char* args;
const char* zip;
bool help;
} tf_run_args_t;
typedef struct _tf_run_thread_data_t
{
tf_run_args_t args;
int index;
int result;
} tf_run_thread_data_t;
static int _tf_run_task(const tf_run_args_t* args, int index)
{
int result = -1;
tf_task_t* task = tf_task_create();
tf_task_set_trusted(task, true);
tf_printf("setting zip path to %s\n", args->zip);
tf_task_set_zip_path(task, args->zip);
tf_task_set_ssb_port(task, args->ssb_port ? args->ssb_port + index : 0);
tf_task_set_http_port(task, args->http_port ? args->http_port + index : 0);
tf_task_set_https_port(task, args->https_port ? args->https_port + index : 0);
tf_task_set_args(task, args->args);
const char* db_path = args->db_path;
char db_path_buffer[256];
if (index)
{
snprintf(db_path_buffer, sizeof(db_path_buffer), "%s.%d", args->db_path, index);
db_path = db_path_buffer;
}
tf_task_set_db_path(task, db_path);
tf_task_activate(task);
if (args->zip)
{
tf_ssb_import_from_zip(tf_task_get_ssb(task), args->zip, "core", "apps");
}
else
{
tf_ssb_import(tf_task_get_ssb(task), "core", "apps");
}
if (tf_task_execute(task, args->script))
{
tf_task_run(task);
result = 0;
}
tf_task_destroy(task);
tf_printf("_tf_run_task is done. Goodbye.\n");
return result;
}
static void _tf_run_task_thread(void* data)
{
tf_run_thread_data_t* info = data;
info->result = _tf_run_task(&info->args, info->index);
}
static int _tf_command_run(const char* file, int argc, char* argv[])
{
xoptOption options[] = {
{ "script", 's', offsetof(tf_run_args_t, script), NULL, XOPT_TYPE_STRING, NULL, "Script to run (default: core/core.js)." },
{ "ssb-port", 'b', offsetof(tf_run_args_t, ssb_port), NULL, XOPT_TYPE_INT, NULL, "Port on which to run SSB (default: 8008)." },
{ "http-port", 'p', offsetof(tf_run_args_t, http_port), NULL, XOPT_TYPE_INT, NULL, "Port on which to run Tilde Friends web server (default: 12345)." },
{ "https-port", 'q', offsetof(tf_run_args_t, https_port), NULL, XOPT_TYPE_INT, NULL, "Port on which to run secure Tilde Friends web server (default: 12346)." },
{ "db-path", 'd', offsetof(tf_run_args_t, db_path), NULL, XOPT_TYPE_STRING, NULL, "Sqlite database path (default: db.sqlite)." },
{ "count", 'n', offsetof(tf_run_args_t, count), NULL, XOPT_TYPE_INT, NULL, "Number of instances to run." },
{ "args", 'a', offsetof(tf_run_args_t, args), NULL, XOPT_TYPE_STRING, NULL, "Arguments of the form key=value,foo=bar,verbose=true." },
{ "zip", 'z', offsetof(tf_run_args_t, zip), NULL, XOPT_TYPE_STRING, NULL, "Zip archive from which to load files." },
{ "help", 'h', offsetof(tf_run_args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
tf_run_args_t args =
{
.count = 1,
.script = "core/core.js",
.http_port = 12345,
.https_port = 12346,
.ssb_port = 8008,
.db_path = k_db_path_default,
};
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_POSIXMEHARDER | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "run [options] [paths] ...", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
int result = 0;
#if !defined(_WIN32) && !defined(__MACH__)
setpgid(0, 0);
#endif
if (args.count == 1)
{
_tf_run_task(&args, 0);
}
if (args.count > 1)
{
uv_thread_t* threads = tf_malloc(sizeof(uv_thread_t) * args.count);
tf_run_thread_data_t* data = tf_malloc(sizeof(tf_run_thread_data_t) * args.count);
for (int i = 0 ; i < args.count; i++)
{
data[i] = (tf_run_thread_data_t)
{
.args = args,
.index = i,
};
uv_thread_create(&threads[i], _tf_run_task_thread, &data[i]);
}
for (int i = 0; i < args.count; i++)
{
uv_thread_join(&threads[i]);
if (data[i].result != 0)
{
result = data[i].result;
}
}
tf_free(data);
tf_free(threads);
}
if (extras)
{
free((void*)extras);
}
return result;
xopt_help:
if (extras)
{
free((void*)extras);
}
return 1;
}
static int _tf_command_sandbox(const char* file, int argc, char* argv[])
{
typedef struct args_t {
const char* script;
bool help;
} args_t;
xoptOption options[] = {
{ "help", 'h', offsetof(args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
args_t args = { 0 };
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_POSIXMEHARDER | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "sandbox [options]", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
#if !defined(_WIN32) && !defined(__APPLE__)
prctl(PR_SET_PDEATHSIG, SIGHUP);
#endif
tf_task_t* task = tf_task_create();
tf_task_configure_from_stdin(task);
shedPrivileges();
/* The caller will trigger tf_task_activate with a message. */
tf_task_run(task);
tf_task_destroy(task);
if (extras)
{
free((void*)extras);
}
return 0;
xopt_help:
if (extras)
{
free((void*)extras);
}
return 1;
}
static int _tf_command_check(const char* file, int argc, char* argv[])
{
typedef struct args_t {
bool help;
} args_t;
xoptOption options[] = {
{ "help", 'h', offsetof(args_t, help), NULL, XOPT_TYPE_BOOL, NULL, "Shows this help message." },
XOPT_NULLOPTION,
};
args_t args = { 0 };
const char** extras = NULL;
int extra_count = 0;
const char *err = NULL;
XOPT_PARSE(file, XOPT_CTX_KEEPFIRST | XOPT_CTX_STRICT, options, &args, argc, (const char**)argv, &extra_count, &extras, &err, stderr, "check [options]", "options:", NULL, 15);
if (err)
{
fprintf(stderr, "Error: %s\n", err);
return 2;
}
bool result = true;
sqlite3* db = NULL;
sqlite3_open(k_db_path_default, &db);
if (extra_count)
{
for (int i = 0; i < extra_count; i++)
{
result = result && tf_ssb_db_check(db, extras[i]);
}
}
else
{
result = tf_ssb_db_check(db, NULL);
}
sqlite3_close(db);
if (extras)
{
free((void*)extras);
}
return result ? EXIT_SUCCESS : EXIT_FAILURE;
xopt_help:
if (extras)
{
free((void*)extras);
}
return 1;
}
static int _tf_command_usage(const char* file, int argc, char* argv[])
{
tf_printf("Usage: %s command [command-options]\n", file);
tf_printf("commands:\n");
for (int i = 0; i < (int)_countof(k_commands); i++)
{
tf_printf(" %s - %s\n", k_commands[i].name, k_commands[i].description);
}
return 0;
}
static void _backtrace_error(void* data, const char* message, int errnum)
{
tf_printf("libbacktrace error %d: %s\n", errnum, message);
}
static void _error_handler(int sig)
{
const char* stack = tf_util_backtrace_string();
tf_printf("ERROR:\n%s\n", stack);
tf_free((void*)stack);
_exit(1);
}
int main(int argc, char* argv[])
{
bool tracking = false;
for (int i = 1; i < argc; i++)
{
if (strcmp(argv[i], "sandbox") == 0)
{
tracking = false;
}
}
#if defined(__ANDROID__)
setenv("UV_USE_IO_URING", "0", 1);
#endif
tf_mem_startup(tracking);
g_backtrace_state = backtrace_create_state(
argv[0],
0,
_backtrace_error,
NULL);
#if !defined(_WIN32) && !defined(__APPLE__)
prctl(PR_SET_PDEATHSIG, SIGKILL);
#endif
tf_mem_replace_uv_allocator();
tf_mem_replace_tls_allocator();
tf_mem_replace_sqlite_allocator();
uv_setup_args(argc, argv);
tf_taskstub_startup();
#if !defined(_WIN32)
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
{
perror("signal");
}
#endif
bool use_error_handler = false;
#if defined(__ANDROID__)
use_error_handler = true;
#endif
if (use_error_handler)
{
if (
#if !defined(_WIN32)
signal(SIGSYS, _error_handler) == SIG_ERR ||
#endif
signal(SIGSEGV, _error_handler) == SIG_ERR)
{
perror("signal");
}
}
int result = 0;
if (argc >= 2)
{
for (int i = 0; i < (int)_countof(k_commands); i++)
{
const command_t* command = &k_commands[i];
if (strcmp(argv[1], command->name) == 0)
{
result = command->callback(argv[0], argc - 2, argv + 2);
goto done;
}
}
result = _tf_command_usage(argv[0], argc, argv);
}
else
{
result = _tf_command_run(argv[0], argc - 1, argv + 1);
}
done:
tf_mem_shutdown();
return result;
}