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Configurable tty number

This commit is contained in:
Kirill Semenchenko 2018-09-13 12:02:43 +05:00
parent 87e46f3cc8
commit ce775c0670
3 changed files with 27 additions and 4 deletions
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6
src/login.c
View File

@ -33,6 +33,8 @@
#include "login.h" #include "login.h"
#include "desktop.h" #include "desktop.h"
extern int ly_console_tty;
int login_conv(int num_msg, const struct pam_message** msg, int login_conv(int num_msg, const struct pam_message** msg,
struct pam_response** resp, void* appdata_ptr) struct pam_response** resp, void* appdata_ptr)
{ {
@ -105,8 +107,8 @@ const char* de_command, enum deserv_t display_server)
destroy_env(); destroy_env();
display_id = get_free_display(); display_id = get_free_display();
snprintf(display_name, sizeof(display_name), ":%d", display_id); snprintf(display_name, sizeof(display_name), ":%d", display_id);
snprintf(tty_id, sizeof(tty_id), "%d", LY_CONSOLE_TTY); snprintf(tty_id, sizeof(tty_id), "%d", ly_console_tty);
snprintf(vt, sizeof(vt), "vt%d", LY_CONSOLE_TTY); snprintf(vt, sizeof(vt), "vt%d", ly_console_tty);
init_xdg(tty_id, display_name, display_server); init_xdg(tty_id, display_name, display_server);
/* pam_start and error handling */ /* pam_start and error handling */
pam_result = pam_start(LY_SERVICE_NAME, username, &conv, &login_handle); pam_result = pam_start(LY_SERVICE_NAME, username, &conv, &login_handle);

19
src/main.c
View File

@ -25,6 +25,8 @@
#define KEY_ENTER_ASCII 10 #define KEY_ENTER_ASCII 10
#define KEY_BACKSPACE_ASCII 127 #define KEY_BACKSPACE_ASCII 127
int ly_console_tty;
int main(void) int main(void)
{ {
FILE* console; FILE* console;
@ -78,6 +80,23 @@ int main(void)
fclose(cfg_save); fclose(cfg_save);
kernel_log(0); kernel_log(0);
/* try to get console tty from environment */
{
char *console_tty_env;
console_tty_env = getenv("LY_CONSOLE_TTY");
if(console_tty_env){
ly_console_tty = atoi(console_tty_env);
if((ly_console_tty < 1) || (ly_console_tty > 99)){
/* Invalid value of the environment variable; defaults is used */
ly_console_tty = LY_CONSOLE_TTY;
fprintf(stderr, "LY_CONSOLE_TTY has invalid value, use default tty %d\n", ly_console_tty);
}
} else {
/* environment not defined */
ly_console_tty = LY_CONSOLE_TTY;
fprintf(stderr, "LY_CONSOLE_TTY not defined, use default tty %d\n", ly_console_tty);
}
}
/* initializes ncurses UI */ /* initializes ncurses UI */
init_ncurses(console); init_ncurses(console);
init_form(&form, de_names, de_count, &de_id); init_form(&form, de_names, de_count, &de_id);

6
src/ncui.c
View File

@ -15,6 +15,8 @@
#include "config.h" #include "config.h"
#include "utils.h" #include "utils.h"
extern int ly_console_tty;
size_t max(size_t a, size_t b) size_t max(size_t a, size_t b)
{ {
return (a > b) ? a : b; return (a > b) ? a : b;
@ -26,8 +28,8 @@ void init_ncurses(FILE* desc)
/* required for ncurses */ /* required for ncurses */
putenv(LY_CONSOLE_TERM); putenv(LY_CONSOLE_TERM);
/* switches tty */ /* switches tty */
ioctl(filedesc, VT_ACTIVATE, LY_CONSOLE_TTY); ioctl(filedesc, VT_ACTIVATE, ly_console_tty);
ioctl(filedesc, VT_WAITACTIVE, LY_CONSOLE_TTY); ioctl(filedesc, VT_WAITACTIVE, ly_console_tty);
/* ncurses startup */ /* ncurses startup */
initscr(); initscr();
raw(); raw();