| 14 |
* * |
* * |
| 15 |
***************************************************************************/ |
***************************************************************************/ |
| 16 |
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#define _XOPEN_SOURCE 500 |
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#define _POSIX_C_SOURCE 200809L |
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#define _GNU_SOURCE |
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#include "net_server.h" |
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#include "common.h" |
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#include "bbs_main.h" |
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| 17 |
#include "bbs.h" |
#include "bbs.h" |
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#include "log.h" |
#include "bbs_main.h" |
| 19 |
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#include "common.h" |
| 20 |
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#include "database.h" |
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#include "file_loader.h" |
| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
#include "init.h" |
#include "init.h" |
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#include "menu.h" |
#include "log.h" |
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#include "database.h" |
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#include "login.h" |
#include "login.h" |
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#include "file_loader.h" |
#include "menu.h" |
| 27 |
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#include "net_server.h" |
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#include "section_list.h" |
| 29 |
#include "section_list_loader.h" |
#include "section_list_loader.h" |
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#include <errno.h> |
#include <errno.h> |
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#include <fcntl.h> |
#include <fcntl.h> |
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#include <string.h> |
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#include <signal.h> |
#include <signal.h> |
| 33 |
#include <stdlib.h> |
#include <stdlib.h> |
| 34 |
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#include <string.h> |
| 35 |
#include <unistd.h> |
#include <unistd.h> |
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#include <sys/syscall.h> |
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#include <sys/socket.h> |
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#include <sys/wait.h> |
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#include <sys/epoll.h> |
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#include <arpa/inet.h> |
#include <arpa/inet.h> |
| 37 |
#include <netinet/in.h> |
#include <libssh/callbacks.h> |
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#include <systemd/sd-daemon.h> |
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| 38 |
#include <libssh/libssh.h> |
#include <libssh/libssh.h> |
| 39 |
#include <libssh/server.h> |
#include <libssh/server.h> |
| 40 |
#include <libssh/callbacks.h> |
#include <netinet/in.h> |
| 41 |
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#include <sys/epoll.h> |
| 42 |
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#include <sys/socket.h> |
| 43 |
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#include <sys/syscall.h> |
| 44 |
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#include <sys/types.h> |
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#include <sys/wait.h> |
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#include <systemd/sd-daemon.h> |
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#define WAIT_CHILD_PROCESS_EXIT_TIMEOUT 5 // second |
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#define WAIT_CHILD_PROCESS_KILL_TIMEOUT 1 // second |
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struct process_sockaddr_t |
struct process_sockaddr_t |
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{ |
{ |
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static PROCESS_SOCKADDR process_sockaddr_pool[MAX_CLIENT_LIMIT]; |
static PROCESS_SOCKADDR process_sockaddr_pool[MAX_CLIENT_LIMIT]; |
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#define SSH_AUTH_MAX_DURATION 60 // seconds |
#define SSH_AUTH_MAX_DURATION (60 * 1000) // milliseconds |
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struct ssl_server_cb_data_t |
struct ssl_server_cb_data_t |
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{ |
{ |
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static int auth_password(ssh_session session, const char *user, |
static int auth_password(ssh_session session, const char *user, |
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const char *password, void *userdata) |
const char *password, void *userdata) |
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{ |
{ |
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MYSQL *db; |
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struct ssl_server_cb_data_t *p_data = userdata; |
struct ssl_server_cb_data_t *p_data = userdata; |
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int ret; |
int ret; |
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if ((db = db_open()) == NULL) |
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{ |
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return SSH_AUTH_ERROR; |
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} |
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if (strcmp(user, "guest") == 0) |
if (strcmp(user, "guest") == 0) |
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{ |
{ |
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ret = load_guest_info(db); |
ret = load_guest_info(); |
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} |
} |
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else |
else |
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{ |
{ |
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ret = check_user(db, user, password); |
ret = check_user(user, password); |
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} |
} |
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mysql_close(db); |
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if (ret == 0) |
if (ret == 0) |
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{ |
{ |
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return SSH_AUTH_SUCCESS; |
return SSH_AUTH_SUCCESS; |
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return SSH_channel; |
return SSH_channel; |
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} |
} |
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int fork_server(void) |
static int fork_server(void) |
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{ |
{ |
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ssh_event event; |
ssh_event event; |
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int pid; |
int pid; |
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event = ssh_event_new(); |
event = ssh_event_new(); |
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ssh_event_add_session(event, SSH_session); |
ssh_event_add_session(event, SSH_session); |
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for (i = 0; i < SSH_AUTH_MAX_DURATION && !SYS_server_exit && !cb_data.error && SSH_channel == NULL; i++) |
for (i = 0; i < SSH_AUTH_MAX_DURATION && !SYS_server_exit && !cb_data.error && SSH_channel == NULL; i += 100) |
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{ |
{ |
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ret = ssh_event_dopoll(event, 1000); // 1 second |
ret = ssh_event_dopoll(event, 100); // 0.1 second |
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if (ret == SSH_ERROR) |
if (ret == SSH_ERROR) |
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{ |
{ |
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log_error("ssh_event_dopoll() error: %s\n", ssh_get_error(SSH_session)); |
log_error("ssh_event_dopoll() error: %s\n", ssh_get_error(SSH_session)); |
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struct epoll_event ev, events[MAX_EVENTS]; |
struct epoll_event ev, events[MAX_EVENTS]; |
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int nfds, epollfd; |
int nfds, epollfd; |
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siginfo_t siginfo; |
siginfo_t siginfo; |
| 264 |
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int notify_child_exit = 0; |
| 265 |
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time_t tm_notify_child_exit = time(NULL); |
| 266 |
int sd_notify_stopping = 0; |
int sd_notify_stopping = 0; |
| 267 |
MENU_SET *p_bbs_menu_new; |
MENU_SET bbs_menu_new; |
| 268 |
int i, j; |
int i, j; |
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pid_t pid; |
pid_t pid; |
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int ssh_log_level = SSH_LOG_NOLOG; |
int ssh_log_level = SSH_LOG_NOLOG; |
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if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDADDR, hostaddr) < 0 || |
if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDADDR, hostaddr) < 0 || |
| 277 |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT, &port) < 0 || |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT, &port) < 0 || |
| 278 |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_KEYFILE) < 0 || |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_KEYFILE) < 0 || |
| 279 |
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ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS, "ssh-rsa,rsa-sha2-512,rsa-sha2-256") < 0 || |
| 280 |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY, &ssh_log_level) < 0) |
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY, &ssh_log_level) < 0) |
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{ |
{ |
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log_error("Error setting SSH bind options: %s\n", ssh_get_error(sshbind)); |
log_error("Error setting SSH bind options: %s\n", ssh_get_error(sshbind)); |
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if (SYS_server_exit && !SYS_child_exit && SYS_child_process_count > 0) |
if (SYS_server_exit && !SYS_child_exit && SYS_child_process_count > 0) |
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{ |
{ |
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log_common("Notify %d child process to exit\n", SYS_child_process_count); |
if (notify_child_exit == 0) |
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if (kill(0, SIGTERM) < 0) |
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{ |
{ |
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log_error("Send SIGTERM signal failed (%d)\n", errno); |
sd_notifyf(0, "STATUS=Notify %d child process to exit", SYS_child_process_count); |
| 411 |
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log_common("Notify %d child process to exit\n", SYS_child_process_count); |
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if (kill(0, SIGTERM) < 0) |
| 414 |
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{ |
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log_error("Send SIGTERM signal failed (%d)\n", errno); |
| 416 |
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} |
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notify_child_exit = 1; |
| 419 |
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tm_notify_child_exit = time(NULL); |
| 420 |
} |
} |
| 421 |
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else if (notify_child_exit == 1 && time(NULL) - tm_notify_child_exit >= WAIT_CHILD_PROCESS_EXIT_TIMEOUT) |
| 422 |
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{ |
| 423 |
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sd_notifyf(0, "STATUS=Kill %d child process", SYS_child_process_count); |
| 424 |
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for (i = 0; i < BBS_max_client; i++) |
| 426 |
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{ |
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if (process_sockaddr_pool[i].pid != 0) |
| 428 |
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{ |
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log_error("Kill child process (pid=%d)\n", process_sockaddr_pool[i].pid); |
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if (kill(process_sockaddr_pool[i].pid, SIGKILL) < 0) |
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{ |
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log_error("Send SIGKILL signal failed (%d)\n", errno); |
| 433 |
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} |
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} |
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} |
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sd_notifyf(0, "STATUS=Waiting for %d child process to exit", SYS_child_process_count); |
notify_child_exit = 2; |
| 438 |
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tm_notify_child_exit = time(NULL); |
| 439 |
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} |
| 440 |
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else if (notify_child_exit == 2 && time(NULL) - tm_notify_child_exit >= WAIT_CHILD_PROCESS_KILL_TIMEOUT) |
| 441 |
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{ |
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log_error("Main process prepare to exit without waiting for %d child process any longer\n", SYS_child_process_count); |
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SYS_child_process_count = 0; |
| 444 |
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} |
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} |
} |
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if (SYS_conf_reload && !SYS_server_exit) |
if (SYS_conf_reload && !SYS_server_exit) |
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log_error("Reload conf failed\n"); |
log_error("Reload conf failed\n"); |
| 456 |
} |
} |
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p_bbs_menu_new = calloc(1, sizeof(MENU_SET)); |
if (load_menu(&bbs_menu_new, CONF_MENU) < 0) |
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if (p_bbs_menu_new == NULL) |
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{ |
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log_error("OOM: calloc(MENU_SET)\n"); |
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} |
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else if (load_menu(p_bbs_menu_new, CONF_MENU) < 0) |
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{ |
{ |
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unload_menu(p_bbs_menu_new); |
unload_menu(&bbs_menu_new); |
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free(p_bbs_menu_new); |
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p_bbs_menu_new = NULL; |
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log_error("Reload menu failed\n"); |
log_error("Reload menu failed\n"); |
| 462 |
} |
} |
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else |
else |
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{ |
{ |
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unload_menu(p_bbs_menu); |
unload_menu(&bbs_menu); |
| 466 |
free(p_bbs_menu); |
memcpy(&bbs_menu, &bbs_menu_new, sizeof(bbs_menu_new)); |
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p_bbs_menu = p_bbs_menu_new; |
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p_bbs_menu_new = NULL; |
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log_common("Reload menu successfully\n"); |
log_common("Reload menu successfully\n"); |
| 468 |
} |
} |
| 469 |
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sd_notify(0, "READY=1"); |
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} |
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if (SYS_data_file_reload && !SYS_server_exit) |
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{ |
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SYS_data_file_reload = 0; |
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sd_notify(0, "RELOADING=1"); |
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| 470 |
for (int i = 0; i < data_files_load_startup_count; i++) |
for (int i = 0; i < data_files_load_startup_count; i++) |
| 471 |
{ |
{ |
| 472 |
if (load_file(data_files_load_startup[i]) < 0) |
if (load_file(data_files_load_startup[i]) < 0) |
| 474 |
log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]); |
log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]); |
| 475 |
} |
} |
| 476 |
} |
} |
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| 477 |
log_common("Reload data files successfully\n"); |
log_common("Reload data files successfully\n"); |
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sd_notify(0, "READY=1"); |
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} |
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| 478 |
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| 479 |
if (SYS_section_list_reload && !SYS_server_exit) |
// Load section config and gen_ex |
| 480 |
{ |
if (load_section_config_from_db(1) < 0) |
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SYS_section_list_reload = 0; |
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if (section_list_loader_reload() < 0) |
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| 481 |
{ |
{ |
| 482 |
log_error("ksection_list_loader_reload() failed\n"); |
log_error("load_section_config_from_db(1) error\n"); |
| 483 |
} |
} |
| 484 |
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else |
| 485 |
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{ |
| 486 |
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log_common("Reload section config and gen_ex successfully\n"); |
| 487 |
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} |
| 488 |
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| 489 |
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sd_notify(0, "READY=1"); |
| 490 |
} |
} |
| 491 |
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| 492 |
nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second |
nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second |
| 539 |
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| 540 |
port_client = ntohs(sin.sin_port); |
port_client = ntohs(sin.sin_port); |
| 541 |
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| 542 |
log_common("Accept %sconnection from %s:%d\n", (SSH_v2 ? "" : "SSH2 "), hostaddr_client, port_client); |
log_common("Accept %s connection from %s:%d\n", (SSH_v2 ? "SSH" : "telnet"), hostaddr_client, port_client); |
| 543 |
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| 544 |
if (SYS_child_process_count - 1 < BBS_max_client) |
if (SYS_child_process_count - 1 < BBS_max_client) |
| 545 |
{ |
{ |