tildefriends/src/main.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"
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#include "unzip.h"
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#if !defined(_WIN32) && !defined(__APPLE__) && !defined(__HAIKU__)
#include <signal.h>
#include <sys/resource.h>
#endif
#if defined(__linux__)
#include <sys/prctl.h>
#endif
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
#if !defined(_WIN32)
#include <unistd.h>
#endif
#if !defined(_countof)
#define _countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
#endif
struct backtrace_state* g_backtrace_state;
const char* k_db_path_default = "db.sqlite";
#if !TARGET_OS_IPHONE && !defined(__ANDROID__)
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_verify(const char* file, int argc, char* argv[]);
static int _tf_command_usage(const char* file);
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." },
{ "verify", _tf_command_verify, "Verify a feed." },
{ "test", _tf_command_test, "Test SSB." },
};
static int _tf_command_test(const char* file, int argc, char* argv[])
{
#if !defined(__ANDROID__)
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tf_test_options_t test_options = {
.exe_path = file,
};
bool show_usage = false;
while (!show_usage)
{
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static const struct option k_options[] = {
{ "tests", required_argument, NULL, 't' },
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "t:h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 't':
test_options.tests = optarg;
break;
}
}
for (int i = optind; i < argc; i++)
{
tf_printf("Unexpected argument: %s\n", argv[i]);
show_usage = true;
}
if (show_usage)
{
tf_printf("\n%s test [options]\n\n", file);
tf_printf("options\n");
tf_printf(" -t, --tests tests Comma-separated list of tests to run. (default: all)\n");
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
tf_tests(&test_options);
return EXIT_SUCCESS;
#else
return EXIT_FAILURE;
#endif
}
static int _tf_command_import(const char* file, int argc, char* argv[])
{
const char* user = "import";
const char* db_path = k_db_path_default;
bool show_usage = false;
while (!show_usage)
{
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static const struct option k_options[] = {
{ "user", required_argument, NULL, 'u' },
{ "db-path", required_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "u:d:h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 'u':
user = optarg;
break;
case 'd':
db_path = optarg;
break;
}
}
if (show_usage)
{
tf_printf("\n%s import [options] [paths...]\n\n", file);
tf_printf("options:\n");
tf_printf(" -u, --user user User into whose account apps will be imported (default: \"import\").\n");
tf_printf(" -d, --db-path db_path SQLite database path (default: %s).\n", k_db_path_default);
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, db_path, NULL);
if (optind < argc)
{
for (int i = optind; i < argc; i++)
{
tf_printf("Importing %s...\n", argv[i]);
tf_ssb_import(ssb, user, argv[i]);
}
}
else
{
tf_printf("Importing %s...\n", "apps");
tf_ssb_import(ssb, user, "apps");
}
tf_ssb_destroy(ssb);
return EXIT_SUCCESS;
}
static int _tf_command_export(const char* file, int argc, char* argv[])
{
const char* user = "core";
const char* db_path = k_db_path_default;
bool show_usage = false;
while (!show_usage)
{
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static const struct option k_options[] = {
{ "user", required_argument, NULL, 'u' },
{ "db-path", required_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "u:d:h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 'u':
user = optarg;
break;
case 'd':
db_path = optarg;
break;
}
}
if (show_usage)
{
tf_printf("\n%s export [options] [paths...]\n\n", file);
tf_printf("options:\n");
tf_printf(" -u, --user user User from whose account apps will be exported (default: \"core\").\n");
tf_printf(" -d, --db-path db_path SQLite database path (default: %s).\n", k_db_path_default);
tf_printf(" -h, --help Show this usage information.\n");
tf_printf("\n");
tf_printf("paths Paths of apps to export (example: /~core/ssb /~user/app).\n");
return EXIT_FAILURE;
}
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, db_path, NULL);
if (optind < argc)
{
for (int i = optind; i < argc; i++)
{
tf_printf("Exporting %s...\n", argv[i]);
tf_ssb_export(ssb, argv[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", user, k_export[i]);
tf_printf("Exporting %s...\n", buffer);
tf_ssb_export(ssb, buffer);
}
}
tf_ssb_destroy(ssb);
return EXIT_SUCCESS;
}
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static int _tf_command_verify(const char* file, int argc, char* argv[])
{
const char* identity = NULL;
const char* db_path = k_db_path_default;
bool show_usage = false;
while (!show_usage)
{
static const struct option k_options[] = {
{ "id", required_argument, NULL, 'u' },
{ "db-path", required_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "i:d:h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 'i':
identity = optarg;
break;
case 'd':
db_path = optarg;
break;
}
}
if (show_usage)
{
tf_printf("\n%s import [options] [paths...]\n\n", file);
tf_printf("options:\n");
tf_printf(" -i, --identity identity Identity to verify.\n");
tf_printf(" -d, --db-path db_path SQLite database path (default: %s).\n", k_db_path_default);
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
tf_printf("Verifying %s...\n", identity);
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, db_path, NULL);
bool verified = tf_ssb_db_verify(ssb, identity);
tf_ssb_destroy(ssb);
return verified ? EXIT_SUCCESS : EXIT_FAILURE;
}
#endif
typedef struct tf_run_args_t
{
const char* script;
const char* network_key;
int ssb_port;
int http_port;
int https_port;
const char* db_path;
int count;
const char* args;
const char* zip;
bool one_proc;
bool verbose;
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_network_key(task, args->network_key);
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);
tf_task_set_one_proc(task, args->one_proc);
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);
tf_ssb_set_verbose(tf_task_get_ssb(task), args->verbose);
tf_ssb_start_periodic(tf_task_get_ssb(task));
if (args->http_port || args->https_port)
{
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);
}
#if !TARGET_OS_IPHONE
static void _shed_privileges()
{
#if !defined(_WIN32) && !defined(__HAIKU__)
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__) && !defined(__OpenBSD__)
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
#if defined(__OpenBSD__)
/* How do I unveil nothing? */
if (unveil("/dev/null", "r") || unveil(NULL, NULL))
{
perror("unveil");
exit(-1);
}
if (pledge("stdio unveil", NULL))
{
perror("pledge");
exit(-1);
}
#endif
}
static int _tf_command_run(const char* file, int argc, char* argv[])
{
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,
};
bool show_usage = false;
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/* Check if the executable has data attached. */
unzFile zip = unzOpen(file);
if (zip)
{
args.zip = file;
unzClose(zip);
}
while (!show_usage)
{
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static const struct option k_options[] = {
{ "script", required_argument, NULL, 's' },
{ "ssb-port", required_argument, NULL, 'b' },
{ "ssb-network-key", required_argument, NULL, 'k' },
{ "http-port", required_argument, NULL, 'p' },
{ "https-port", required_argument, NULL, 'q' },
{ "db-path", required_argument, NULL, 'd' },
{ "count", required_argument, NULL, 'n' },
{ "args", required_argument, NULL, 'a' },
{ "one-proc", no_argument, NULL, 'o' },
{ "zip", required_argument, NULL, 'z' },
{ "verbose", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
};
int c = getopt_long(argc, argv, "s:b:k:p:q:d:n:a:oz:vh", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 's':
args.script = optarg;
break;
case 'k':
args.network_key = optarg;
break;
case 'b':
args.ssb_port = atoi(optarg);
break;
case 'p':
args.http_port = atoi(optarg);
break;
case 'q':
args.https_port = atoi(optarg);
break;
case 'd':
args.db_path = optarg;
break;
case 'n':
args.count = atoi(optarg);
break;
case 'a':
args.args = optarg;
break;
case 'o':
args.one_proc = true;
break;
case 'z':
args.zip = optarg;
break;
case 'v':
args.verbose = true;
break;
}
}
if (show_usage)
{
tf_printf("\n%s run [options]\n\n", file);
tf_printf("options\n");
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tf_printf(" -s, --script script Script to run (default: core/core.js).\n");
tf_printf(" -b, --ssb-port port Port on which to run SSB (default: 8008, 0 disables).\n");
tf_printf(" -p, --http-port port Port on which to run Tilde Friends web server (default: 12345).\n");
tf_printf(" -q, --https-port port Port on which to run secure Tilde Friends web server (default: 12346).\n");
tf_printf(" -d, --db-path path SQLite database path (default: %s).\n", k_db_path_default);
tf_printf(" -k, --ssb-network-key key SSB network key to use.\n");
tf_printf(" -n, --count count Number of instances to run.\n");
tf_printf(" -a, --args args Arguments of the format key=value,foo=bar,verbose=true.\n");
tf_printf(" -o, --one-proc Run everything in one process (unsafely!).\n");
tf_printf(" -z, --zip path Zip archive from which to load files.\n");
tf_printf(" -v, --verbose Log raw messages.\n");
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
int result = 0;
#if !defined(_WIN32) && !defined(__MACH__)
setpgid(0, 0);
#endif
if (args.count == 1)
{
result = _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);
}
return result;
}
static int _tf_command_sandbox(const char* file, int argc, char* argv[])
{
bool show_usage = false;
while (!show_usage)
{
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static const struct option k_options[] = {
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
}
}
if (show_usage)
{
tf_printf("\nUsage: %s sandbox [options]\n\n", file);
tf_printf("options:\n");
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
#if defined(__linux__)
prctl(PR_SET_PDEATHSIG, SIGHUP);
#endif
tf_task_t* task = tf_task_create();
tf_task_configure_from_fd(task, STDIN_FILENO);
_shed_privileges();
/* The caller will trigger tf_task_activate with a message. */
tf_task_run(task);
tf_task_destroy(task);
return EXIT_SUCCESS;
}
#if !defined(__ANDROID__)
static int _tf_command_usage(const char* file)
{
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 -1;
}
#endif
#endif
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);
}
static void _startup(int argc, char* argv[])
{
char buffer[8] = { 0 };
size_t buffer_size = sizeof(buffer);
bool tracking = uv_os_getenv("TF_MEM_TRACKING", buffer, &buffer_size) == 0 && strcmp(buffer, "1") == 0;
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(__linux__)
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");
}
}
}
#if defined(__ANDROID__)
int main(int argc, char* argv[])
{
_startup(argc, argv);
int result = -1;
if (argc > 1)
{
if (strcmp(argv[1], "run") == 0)
{
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result = _tf_command_run(argv[0], argc - 1, argv + 1);
}
else if (strcmp(argv[1], "sandbox") == 0)
{
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result = _tf_command_sandbox(argv[0], argc - 1, argv + 1);
}
}
tf_mem_shutdown();
return result;
}
#elif TARGET_OS_IPHONE
void tf_run_thread_start(const char* zip_path)
{
_startup(0, NULL);
uv_thread_t* thread = tf_malloc(sizeof(uv_thread_t));
tf_run_thread_data_t* data = tf_malloc(sizeof(tf_run_thread_data_t));
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,
.one_proc = true,
.zip = zip_path,
};
*data = (tf_run_thread_data_t) {
.args = args,
};
uv_thread_create(thread, _tf_run_task_thread, data);
}
#else
int main(int argc, char* argv[])
{
_startup(argc, argv);
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 - 1, argv + 1);
goto done;
}
}
result = _tf_command_usage(argv[0]);
}
else
{
result = _tf_command_run(argv[0], argc, argv);
}
done:
tf_mem_shutdown();
return result;
}
#endif