feat: rework LOGIN command handling

This commit is contained in:
Mario Fetka
2026-05-22 17:13:42 +02:00
parent e4227bfda8
commit 20343b497a

552
login.c
View File

@@ -7,6 +7,461 @@
#include "net.h"
#include "nwcrypt.h"
#ifndef BLACK
#define BLACK 0
#endif
#ifndef BLUE
#define BLUE 1
#endif
#ifndef LIGHTGRAY
#define LIGHTGRAY 7
#endif
#ifndef WHITE
#define WHITE 15
#endif
static uint8 script_login_name[64];
static uint8 script_file_server[52];
static char **build_argv(char *buf, int bufsize, char *str);
extern int read_command_file(char *fstr);
extern int get_fs_name(int connid, char *name);
static uint8 login_video_attr = 0x07;
static void login_gotoxy(int x, int y)
{
REGS regs;
regs.h.ah = 0x02;
regs.h.bh = 0x00;
regs.h.dh = (uint8)(y - 1);
regs.h.dl = (uint8)(x - 1);
int86(0x10, &regs, &regs);
}
static void login_cls_attr(uint8 attr)
{
REGS regs;
regs.h.ah = 0x06;
regs.h.al = 0x00;
regs.h.bh = attr;
regs.h.ch = 0;
regs.h.cl = 0;
regs.h.dh = 24;
regs.h.dl = 79;
int86(0x10, &regs, &regs);
login_gotoxy(1, 1);
}
static void login_write_attr(int x, int y, const char *s, uint8 attr)
{
REGS regs;
int col = x;
while (*s) {
login_gotoxy(col++, y);
regs.h.ah = 0x09;
regs.h.al = (uint8)*s++;
regs.h.bh = 0;
regs.h.bl = attr;
regs.x.cx = 1;
int86(0x10, &regs, &regs);
}
login_gotoxy(col, y);
}
static void login_fill_line(int y, uint8 attr)
{
REGS regs;
login_gotoxy(1, y);
regs.h.ah = 0x09;
regs.h.al = ' ';
regs.h.bh = 0;
regs.h.bl = attr;
regs.x.cx = 80;
int86(0x10, &regs, &regs);
}
static void login_screen_normal(void)
{
login_video_attr = 0x07;
}
static int login_help(void)
{
fprintf(stdout, "\n");
fprintf(stdout, " LOGIN General Help Mars NWE\n");
fprintf(stdout, " ------------------------------------------------------------------------\n");
fprintf(stdout, " Purpose: To gain access to the network.\n");
fprintf(stdout, " Syntax: LOGIN [/VER] [[Server | Tree/][Username] [/options]\n");
fprintf(stdout, "\n");
fprintf(stdout, " To: Use:\n");
fprintf(stdout, " Login without running login scripts /NS\n");
fprintf(stdout, " Clear the screen before executing /CLS\n");
fprintf(stdout, " Specify a script file /S filename\n");
fprintf(stdout, " Display version information /VER\n");
fprintf(stdout, "\n");
fprintf(stdout, " Examples:\n");
fprintf(stdout, " LOGIN SUPERVISOR\n");
fprintf(stdout, " LOGIN MARS/SUPERVISOR\n");
fprintf(stdout, "\n");
return(0);
}
static void login_banner(void)
{
login_cls_attr(0x07); /* normal black background */
/*
* NetWare-like header, but blue for Mars NWE:
* blue separator
* blue title line
* blue separator
* then normal black prompt area.
*/
login_fill_line(1, 0x1f); /* white on blue */
login_fill_line(2, 0x1f); /* white on blue */
login_write_attr(36, 2, "Mars NWE", 0x1f);
login_fill_line(3, 0x1f); /* white on blue */
login_screen_normal();
login_gotoxy(1, 4);
}
static char *skip_spaces(char *p)
{
while (*p == 32 || *p == '\t') p++;
return(p);
}
static void strip_quotes(char *s)
{
char *d = s;
char quote = 0;
while (*s) {
if (!quote && (*s == '"' || *s == '\'')) {
quote = *s++;
continue;
}
if (quote && *s == quote) {
quote = 0;
s++;
continue;
}
*d++ = *s++;
}
*d = '\0';
}
static void script_put_expanded(char *s)
{
while (s && *s) {
if (!strncmp(s, "%LOGIN_NAME", 11) || !strncmp(s, "%login_name", 11)) {
fprintf(stdout, "%s", script_login_name);
s += 11;
} else if (!strncmp(s, "%FILE_SERVER", 12) || !strncmp(s, "%file_server", 12)) {
fprintf(stdout, "%s", script_file_server);
s += 12;
} else if (!strncmp(s, "%P_STATION", 10) || !strncmp(s, "%p_station", 10)) {
fprintf(stdout, "000000000000");
s += 10;
} else {
fputc(*s++, stdout);
}
}
}
static void script_write(char *p)
{
p = skip_spaces(p);
strip_quotes(p);
script_put_expanded(p);
fputc('\n', stdout);
}
static void script_join_args(char **argv, int argc)
{
if (argc > 2) {
char *p = argv[argc-1];
while (p-- > argv[1]) {
if (*p == '\0') *p = 32;
}
}
}
static void script_call_line(char *line)
{
char *buf;
char **argv;
int argc = 0;
char **pp;
buf = xmalloc(512);
argv = build_argv(buf, 512, line);
if (argv != NULL) {
pp = argv;
while (*pp) {
argc++;
pp++;
}
if (argc > 0) {
upstr(argv[0]);
call_func_entry(argc, argv);
}
}
xfree(buf);
}
static int script_eval_if(char *line)
{
char tmp[512];
char *p;
char *q;
int neg = 0;
strmaxcpy(tmp, line, sizeof(tmp) - 1);
upstr(tmp);
if (strstr(tmp, "MEMBER OF") != NULL) {
if (strstr(tmp, "EVERYONE") != NULL) return(1);
return(0);
}
p = strstr(tmp, "LOGIN_NAME");
if (p != NULL) {
q = strstr(p, "<>");
if (q != NULL) neg = 1;
else q = strchr(p, '=');
if (q != NULL) {
char want[64];
char *v;
int i = 0;
q += neg ? 2 : 1;
q = skip_spaces(q);
if (*q == '"' || *q == '\'') q++;
while (*q && *q != '"' && *q != '\'' && *q != 32 && *q != '\t' && i < 63) {
want[i++] = *q++;
}
want[i] = '\0';
strmaxcpy(tmp, script_login_name, sizeof(tmp) - 1);
upstr(tmp);
if (neg) return(strcmp(tmp, want) != 0);
else return(strcmp(tmp, want) == 0);
}
}
return(0);
}
static int login_strnicmp(char *a, char *b, int n)
{
while (n-- > 0) {
int ca = *a++;
int cb = *b++;
if (ca >= 'a' && ca <= 'z') ca -= 32;
if (cb >= 'a' && cb <= 'z') cb -= 32;
if (ca != cb) return(ca - cb);
if (!ca) return(0);
}
return(0);
}
static int script_execute_line(char *line)
{
char work[512];
char cmd[32];
char *p;
char *arg;
int i;
strmaxcpy(work, line, sizeof(work) - 1);
p = skip_spaces(work);
if (!*p) return(0);
i = 0;
while (p[i] && p[i] != 32 && p[i] != '\t' && i < 31) {
cmd[i] = p[i];
i++;
}
cmd[i] = '\0';
upstr(cmd);
arg = skip_spaces(p + i);
if (!strcmp(cmd, "WRITE") || !strcmp(cmd, "ECHO")) {
script_write(arg);
return(0);
}
if (!strcmp(cmd, "PAUSE")) {
fprintf(stdout, "Strike any key when ready . . .");
fflush(stdout);
getch();
fprintf(stdout, "\n");
return(0);
}
if (!strcmp(cmd, "CLS")) {
login_cls_attr(0x07);
return(0);
}
if (!strcmp(cmd, "BREAK")) {
return(0);
}
if (!strcmp(cmd, "SET")) {
if (*arg) putglobenv(arg);
return(0);
}
if (!strcmp(cmd, "DRIVE")) {
arg = skip_spaces(arg);
if ((*arg >= 'A' && *arg <= 'Z') || (*arg >= 'a' && *arg <= 'z')) {
if (*arg >= 'a') setdisk(*arg - 'a');
else setdisk(*arg - 'A');
}
return(0);
}
if (!strcmp(cmd, "MAP")) {
char up[512];
strmaxcpy(up, arg, sizeof(up) - 1);
upstr(up);
if (!strncmp(up, "DISPLAY", 7)) {
return(0);
}
if (!strncmp(up, "INS ", 4) || !strncmp(up, "INSERT ", 7)) {
char callbuf[512];
char *a = arg;
if (!login_strnicmp(up, "INS ", 4)) a += 4;
else a += 7;
sprintf(callbuf, "PATHINS %s", skip_spaces(a));
script_call_line(callbuf);
return(0);
}
if (!strncmp(up, "DEL ", 4) || !strncmp(up, "DELETE ", 7)) {
char callbuf[512];
char *a = arg;
if (!login_strnicmp(up, "DEL ", 4)) a += 4;
else a += 7;
sprintf(callbuf, "PATHDEL %s", skip_spaces(a));
script_call_line(callbuf);
return(0);
}
}
if (!strcmp(cmd, "EXIT")) {
return(1);
}
script_call_line(p);
return(0);
}
static int try_login_script_file(char *name)
{
return(read_command_file(name));
}
static int run_login_script(void)
{
char profile[200];
char drive;
/*
* Novell LOGIN looks for the system login script using server based paths,
* for example \\SERVER\SYS\PUBLIC\NET$LOG.DAT. Try that first.
*/
if (*script_file_server) {
sprintf(profile, "\\\\%s\\SYS\\PUBLIC\\NET$LOG.DAT", script_file_server);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "\\\\%s\\SYS\\PUBLIC\\net$log.dat", script_file_server);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "\\\\%s\\SYS\\LOGIN\\LOGIN", script_file_server);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "\\\\%s\\SYS\\LOGIN\\NET$LOG.DAT", script_file_server);
if (try_login_script_file(profile) != -2) return(0);
}
/*
* Then try current directory and the executable path. LOGIN.EXE is often
* executed from PUBLIC, so this covers SYS:PUBLIC\NET$LOG.DAT without
* relying on an absolute drive path.
*/
if (try_login_script_file("NET$LOG.DAT") != -2) return(0);
if (try_login_script_file("net$log.dat") != -2) return(0);
if (try_login_script_file("LOGIN") != -2) return(0);
if (try_login_script_file("login") != -2) return(0);
if (*prgpath) {
sprintf(profile, "%sNET$LOG.DAT", prgpath);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%snet$log.dat", prgpath);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%sLOGIN", prgpath);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%slogin", prgpath);
if (try_login_script_file(profile) != -2) return(0);
}
/*
* Fallbacks for requesters/runtimes that cannot open UNC from C fopen().
*/
if (try_login_script_file("\\PUBLIC\\NET$LOG.DAT") != -2) return(0);
if (try_login_script_file("\\public\\net$log.dat") != -2) return(0);
if (try_login_script_file("\\PUBLIC\\LOGIN") != -2) return(0);
if (try_login_script_file("\\public\\login") != -2) return(0);
if (try_login_script_file("\\LOGIN\\LOGIN") != -2) return(0);
if (try_login_script_file("\\login\\login") != -2) return(0);
if (try_login_script_file("\\LOGIN\\NET$LOG.DAT") != -2) return(0);
if (try_login_script_file("\\login\\net$log.dat") != -2) return(0);
for (drive = 'C'; drive <= 'Z'; drive++) {
sprintf(profile, "%c:\\PUBLIC\\NET$LOG.DAT", drive);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%c:\\public\\net$log.dat", drive);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%c:\\PUBLIC\\LOGIN", drive);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%c:\\LOGIN\\LOGIN", drive);
if (try_login_script_file(profile) != -2) return(0);
sprintf(profile, "%c:\\LOGIN\\NET$LOG.DAT", drive);
if (try_login_script_file(profile) != -2) return(0);
}
return(-2);
}
static int do_change_object_passwd(char *name,
uint16 objtyp,
char *oldpassword,
@@ -140,9 +595,7 @@ static void getstr(char *what, char *str, int rsize, int doecho)
static int login_usage(void)
{
fprintf(stderr, "usage:\t%s [-u] [user | user password]\n", funcname);
fprintf(stderr, "\t-u : use unecrypted password\n" );
return(-1);
return(login_help());
}
int func_login(int argc, char *argv[], int mode)
@@ -152,10 +605,23 @@ int func_login(int argc, char *argv[], int mode)
uint8 uname[200];
uint8 upasswd[200];
SEARCH_VECTOR save_drives;
int interactive_login = 0;
int no_script = 0;
if (argc > 1) {
if (argv[1][0] == '-') {
if (argv[1][1] == 'u') option |= 1;
if (!strcmp(argv[1], "/?") || !strcmp(argv[1], "-?") || !strcmp(argv[1], "?"))
return(login_help());
if (!strcmp(argv[1], "/VER") || !strcmp(argv[1], "-VER")) {
fprintf(stdout, "Mars NWE LOGIN 0.99\n");
return(0);
}
}
if (argc > 1) {
if (argv[1][0] == '-' || argv[1][0] == '/') {
if (argv[1][1] == 'u' || argv[1][1] == 'U') option |= 1;
else if (!strcmp(argv[1], "/NS") || !strcmp(argv[1], "-NS")) no_script = 1;
else if (!strcmp(argv[1], "/CLS") || !strcmp(argv[1], "-CLS")) login_cls_attr(0x07);
else return(login_usage());
argc--;
argv++;
@@ -168,13 +634,18 @@ int func_login(int argc, char *argv[], int mode)
if (argc > 2) strmaxcpy(upasswd, argv[2], sizeof(upasswd) -1);
else upasswd[0]='\0';
if (!uname[0]) {
interactive_login = 1;
login_banner();
}
while (result) {
if (!uname[0]) getstr("Login", uname, sizeof(uname)-1, 1);
if (!uname[0]) getstr("Enter your login name", uname, sizeof(uname)-1, 1);
if (uname[0]) {
upstr(uname);
upstr(upasswd);
if ((result = do_object_login(uname, 0x1, upasswd, option)) < 0 && !*upasswd) {
getstr("Password", upasswd, sizeof(upasswd)-1, 0);
getstr("Enter your password", upasswd, sizeof(upasswd)-1, 0);
upstr(upasswd);
result = do_object_login(uname, 0x1, upasswd, option);
}
@@ -186,10 +657,18 @@ int func_login(int argc, char *argv[], int mode)
} else break;
}
if (result > -1) {
char profile[200];
strmaxcpy(script_login_name, uname, sizeof(script_login_name) - 1);
if (get_fs_name(1, script_file_server))
strcpy(script_file_server, "MARS");
if (interactive_login)
fprintf(stdout, "You are attached to server %s.\n", script_file_server);
remove_nwpathes();
sprintf(profile, "%slogin", prgpath);
read_command_file(profile);
if (!no_script)
run_login_script();
} else {
(void)set_search_drive_vektor(save_drives);
}
@@ -324,36 +803,53 @@ int read_command_file(char *fstr)
{
FILE *f=fopen(fstr, "r");
int result=-1;
if (f != NULL) {
char *linebuf= xmalloc(512);
char *buf = xmalloc(512);
char *linebuf = xmalloc(512);
char *buf = xmalloc(512);
int stack[16];
int level = 0;
int active = 1;
while (get_line(f, buf, 512, linebuf, 512) > -1) {
char **argv=build_argv(buf, 512, linebuf);
if (argv != NULL) {
int argc=0;
char **pp=argv;
while (*pp) {
argc++;
pp++;
char tmp[512];
char *p;
strmaxcpy(tmp, linebuf, sizeof(tmp) - 1);
p = skip_spaces(tmp);
upstr(p);
if (!strncmp(p, "IF ", 3)) {
if (level < 16) {
stack[level++] = active;
active = active && script_eval_if(linebuf);
}
upstr(argv[0]);
if (argc > 2 && !strcmp(argv[0], "ECHO")) {
char *p=argv[argc-1];
while (p-- > argv[1]) {
if (*p=='\0') *p=32;
}
argc=2;
}
call_func_entry(argc, argv);
result = 0;
continue;
}
if (!strcmp(p, "END") || !strncmp(p, "END ", 4)) {
if (level > 0) active = stack[--level];
result = 0;
continue;
}
if (!active) {
result = 0;
continue;
}
if (script_execute_line(linebuf))
break;
result = 0;
}
fclose(f);
xfree(linebuf);
xfree(buf);
} else result=-2;
return(result);
}