Subversion Repositories Tewi

/* $Id: main.c 168 2024-09-26 20:24:04Z nishi $ */

#define SOURCE

#include "../config.h"

#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>

#ifndef NO_SSL
#include <openssl/opensslv.h>
#endif

#include <cm_log.h>
#include <cm_string.h>

#include "tw_config.h"
#include "tw_server.h"
#include "tw_version.h"

#ifdef __MINGW32__
#include <windows.h>
#endif

extern bool cm_do_log;
extern struct tw_config config;
extern FILE* logfile;

char tw_server[2048];

int startup(int argc, char** argv);

#ifdef SERVICE
SERVICE_STATUS status;
SERVICE_STATUS_HANDLE status_handle;

void WINAPI servhandler(DWORD control) {
        switch(control) {
        case SERVICE_CONTROL_STOP:
        case SERVICE_CONTROL_SHUTDOWN:
                status.dwCurrentState = SERVICE_STOP_PENDING;
                break;
        }
        SetServiceStatus(status_handle, &status);
}

void WINAPI servmain(DWORD argc, LPSTR* argv) {
        logfile = fopen(PREFIX "/logs/tewi.log", "a");
        if(logfile == NULL) logfile = stderr;
        status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
        status.dwCurrentState = SERVICE_START_PENDING;
        status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
        status.dwWin32ExitCode = NO_ERROR;
        status.dwServiceSpecificExitCode = 0;
        status.dwCheckPoint = 0;
        status.dwWaitHint = 0;
        status_handle = RegisterServiceCtrlHandler("Tewi HTTPd", servhandler);
        if(status_handle == NULL) return;
        if(SetServiceStatus(status_handle, &status) == 0) return;
        int st = startup(argc, argv);
        if(st != -1) {
                status.dwWin32ExitCode = NO_ERROR;
                status.dwServiceSpecificExitCode = st;
                status.dwCurrentState = SERVICE_STOPPED;
                SetServiceStatus(status_handle, &status);
                return;
        }
        status.dwCurrentState = SERVICE_RUNNING;
        SetServiceStatus(status_handle, &status);
        tw_server_loop();
        status.dwCurrentState = SERVICE_STOPPED;
        SetServiceStatus(status_handle, &status);
}
#endif

int main(int argc, char** argv) {
        logfile = stderr;
#ifdef SERVICE
        SERVICE_TABLE_ENTRY table[] = {{"Tewi HTTPd", servmain}, {NULL, NULL}};
        StartServiceCtrlDispatcher(table);
#else
        int st = startup(argc, argv);
        if(st != -1) return st;
        tw_server_loop();
#endif
        return 0;
}

int startup(int argc, char** argv) {
        int i;
        const char* confpath = PREFIX "/etc/tewi.conf";
        if(argv != NULL) {
                for(i = 1; i < argc; i++) {
                        if(argv[i][0] == '-') {
                                if(strcmp(argv[i], "--verbose") == 0 || strcmp(argv[i], "-v") == 0) {
                                        if(!cm_do_log) {
                                                cm_do_log = true;
#ifndef NO_SSL
                                                cm_log("", "This is Tewi HTTPd, version %s, using %s", tw_get_version(), OPENSSL_VERSION_TEXT);
#else
                                                cm_log("", "This is Tewi HTTPd, version %s", tw_get_version());
#endif
                                        } else {
                                                cm_do_log = true;
                                        }
                                } else if(strcmp(argv[i], "--config") == 0 || strcmp(argv[i], "-C") == 0) {
                                        i++;
                                        if(argv[i] == NULL) {
                                                fprintf(stderr, "Missing argument\n");
                                                return 1;
                                        }
                                        confpath = argv[i];
                                } else if(strcmp(argv[i], "--logfile") == 0 || strcmp(argv[i], "-l") == 0) {
                                        i++;
                                        if(argv[i] == NULL) {
                                                fprintf(stderr, "Missing argument\n");
                                                return 1;
                                        }
                                        if(logfile != NULL && logfile != stderr) {
                                                fclose(logfile);
                                        }
                                        logfile = fopen(argv[i], "a");
                                        if(logfile == NULL) {
                                                fprintf(stderr, "Failed to open logfile\n");
                                                return 1;
                                        }
                                } else if(strcmp(argv[i], "--version") == 0 || strcmp(argv[i], "-V") == 0) {
                                        printf("Tewi HTTPd Tewi/%s\n", tw_get_version());
                                        printf("Under public domain.\n");
                                        printf("Original by 2024 Nishi\n");
                                        printf("\n");
                                        printf("Usage: %s [--config|-C config] [--verbose|-v] [--version|-V]\n", argv[0]);
                                        printf("--config  | -C config      : Specify config\n");
                                        printf("--logfile | -l logfile     : Specify logfile\n");
                                        printf("--verbose | -v             : Verbose mode\n");
                                        printf("--version | -V             : Version information\n");
                                        return 0;
                                } else {
                                        fprintf(stderr, "Unknown option: %s\n", argv[i]);
                                        return 1;
                                }
                        }
                }
        }
        tw_config_init();
        if(tw_config_read(confpath) != 0) {
                fprintf(stderr, "Could not read the config\n");
                return 1;
        }
        if(tw_server_init() != 0) {
                fprintf(stderr, "Could not initialize the server\n");
                return 1;
        }
        sprintf(tw_server, "Tewi/%s (%s)%s", tw_get_version(), tw_get_platform(), config.extension == NULL ? "" : config.extension);
        char* r = cm_strcat(tw_server, " running...");
        cm_force_log(r);
        free(r);
#ifndef __MINGW32__
        signal(SIGCHLD, SIG_IGN);
        signal(SIGPIPE, SIG_IGN);
#else
        SetConsoleTitle(tw_server);
#endif
        return -1;
}