#include "includes.h"
BOOL map_username(fstring user)
{
static BOOL initialised=False;
static fstring last_from,last_to;
XFILE *f;
char *mapfile = lp_username_map();
char *s;
pstring buf;
BOOL mapped_user = False;
char *cmd = lp_username_map_script();
if (!*user)
return False;
if (strequal(user,last_to))
return False;
if (strequal(user,last_from)) {
DEBUG(3,("Mapped user %s to %s\n",user,last_to));
fstrcpy(user,last_to);
return True;
}
if ( *cmd ) {
char **qlines;
pstring command;
int numlines, ret, fd;
pstr_sprintf( command, "%s \"%s\"", cmd, user );
DEBUG(10,("Running [%s]\n", command));
ret = smbrun(command, &fd);
DEBUGADD(10,("returned [%d]\n", ret));
if ( ret != 0 ) {
if (fd != -1)
close(fd);
return False;
}
numlines = 0;
qlines = fd_lines_load(fd, &numlines,0);
DEBUGADD(10,("Lines returned = [%d]\n", numlines));
close(fd);
if (numlines && qlines) {
DEBUG(3,("Mapped user %s to %s\n", user, qlines[0] ));
fstrcpy( user, qlines[0] );
}
file_lines_free(qlines);
return numlines != 0;
}
if (!*mapfile)
return False;
if (!initialised) {
*last_from = *last_to = 0;
initialised = True;
}
f = x_fopen(mapfile,O_RDONLY, 0);
if (!f) {
DEBUG(0,("can't open username map %s. Error %s\n",mapfile, strerror(errno) ));
return False;
}
DEBUG(4,("Scanning username map %s\n",mapfile));
while((s=fgets_slash(buf,sizeof(buf),f))!=NULL) {
char *unixname = s;
char *dosname = strchr_m(unixname,'=');
char **dosuserlist;
BOOL return_if_mapped = False;
if (!dosname)
continue;
*dosname++ = 0;
while (isspace((int)*unixname))
unixname++;
if ('!' == *unixname) {
return_if_mapped = True;
unixname++;
while (*unixname && isspace((int)*unixname))
unixname++;
}
if (!*unixname || strchr_m("#;",*unixname))
continue;
{
int l = strlen(unixname);
while (l && isspace((int)unixname[l-1])) {
unixname[l-1] = 0;
l--;
}
}
dosuserlist = str_list_make(dosname, NULL);
if (!dosuserlist) {
DEBUG(0,("Bad username map entry. Unable to build user list. Ignoring.\n"));
continue;
}
if (strchr_m(dosname,'*') ||
user_in_list(user, (const char **)dosuserlist)) {
DEBUG(3,("Mapped user %s to %s\n",user,unixname));
mapped_user = True;
fstrcpy( last_from,user );
fstrcpy( user, unixname );
fstrcpy( last_to,user );
if ( return_if_mapped ) {
str_list_free (&dosuserlist);
x_fclose(f);
return True;
}
}
str_list_free (&dosuserlist);
}
x_fclose(f);
fstrcpy(last_from,user);
fstrcpy(last_to,user);
return mapped_user;
}