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#include "includes.h"
extern int DEBUGLEVEL;
dfs_internal dfs_struct;
extern pstring global_myname;
/****************************************************************************
read a line and split it
****************************************************************************/
static BOOL parse_dfs_text_entry(char *line, dfs_internal_table *buf)
{
#define MAXTOK 4
char *tok[MAXTOK+1];
int count = 0;
tok[count] = strtok(line,":");
/* strip the comment lines */
if (tok[0][0]=='#') return (False);
count++;
while ( ((tok[count] = strtok(NULL,":")) != NULL ) && count<MAXTOK)
{
count++;
}
DEBUG(7,("Found [%d] tokens\n", count));
if (count>1) {
StrnCpy(buf->localpath, tok[0], sizeof(buf->localpath)-1);
StrnCpy(buf->sharename, tok[1], sizeof(buf->sharename)-1);
/*
strupper(buf->localpath);
strupper(buf->sharename);
*/
buf->localpath_length=strlen(buf->localpath);
buf->sharename_length=strlen(buf->sharename);
}
else
return (False);
if (count>2)
buf->proximity = atoi(tok[2]);
else
buf->proximity = 0;
if (count>3)
buf->type = atoi(tok[3]);
else
buf->type = 2;
DEBUGADD(7,("[%s]\n", buf->localpath));
DEBUGADD(7,("[%s]\n", buf->sharename));
return(True);
}
/****************************************************************************
mangle the localpath and store it.
****************************************************************************/
static void mangle_dfs_path(dfs_internal_table *buf)
{
char *p;
char *mp;
char *q;
int mlen;
fstring temp;
p = buf->localpath;
mp =buf->mangledpath;
mlen = sizeof(buf->mangledpath);
ZERO_STRUCTP(mp);
DEBUG(2, ("DFS name is: [%s]\n", buf->localpath));
/* copy the head: \server-name\ */
q = strchr(p + 1, '\\');
safe_strcpy(mp, p, mlen);
p = q + 1;
while (q != NULL)
{
q = strchr(p, '\\');
safe_strcpy(temp, p, sizeof(temp));
if (!is_8_3(temp, True))
{
mangle_name_83(temp);
}
safe_strcat(mp, temp, mlen);
if (q != NULL)
{
safe_strcat(mp, "\\", mlen);
}
p = q + 1;
}
/*
strupper(mp);
*/
buf->mangledpath_length = strlen(mp);
DEBUGADD(2, ("DFS mangled name is: [%s]\n", mp));
}
/****************************************************************************
initialisation de la table dfs en memoire au demarrage de samba
****************************************************************************/
BOOL init_dfs_table(void)
{
char *file=lp_dfs_map();
int num_lines=0;
int total=0;
FILE *f;
pstring line;
int i;
dfs_internal_table *entry;
entry=NULL;
dfs_struct.ready=False;
if (*file=='\0') {
DEBUG(0,("No DFS map, Samba is running in NON DFS mode\n"));
return False;
}
f = sys_fopen(file, "r");
if (!f) {
DEBUG(0,("No DFS map file, Samba is running in NON DFS mode\n"));
return False;
}
while ( fgets(line, sizeof(pstring), f) )
{
entry = Realloc(entry,sizeof(dfs_internal_table)*(total+1));
if (! entry)
{
total = 0;
break;
}
if ( parse_dfs_text_entry(line, &(entry[total]) ) )
{
total++;
}
num_lines++;
}
dfs_struct.size=total;
dfs_struct.table=entry;
fclose(f);
/* we have the file in memory */
/* now initialise the mangled names */
for (i=0; i<total; i++)
{
mangle_dfs_path(&(entry[i]));
}
dfs_struct.ready=True;
DEBUG(0,("Samba is DFS aware now!\n"));
return True;
}
/****************************************************************************
check if a path name is a DFS branch
****************************************************************************/
int under_dfs(connection_struct *conn, const char *path)
{
fstring fullpath;
int i;
int snum;
int mangled_len;
int file_len;
int path_len;
BOOL ok=False;
dfs_internal_table *list=dfs_struct.table;
snum=SNUM(conn);
if (path[0] != '\\')
{
snprintf(fullpath, sizeof(fullpath), "\\%s\\%s\\%s",
global_myname, lp_servicename(snum), path);
}
else
{
safe_strcpy(fullpath, path, sizeof(fullpath));
}
strupper(fullpath);
path_len=strlen(fullpath);
DEBUG(2,("DFS looking for: [%s]\n", fullpath));
for(i=0; i<dfs_struct.size; i++)
{
file_len=list[i].localpath_length;
mangled_len=list[i].mangledpath_length;
DEBUG(6,("checking against [%s][%d]\n", list[i].localpath,i));
if(file_len==path_len && !StrnCaseCmp(list[i].localpath, fullpath, file_len))
{
DEBUG(2,("found one linked to [%s]\n", list[i].sharename));
ok=True;
break;
}
if(mangled_len==path_len && !StrnCaseCmp(list[i].mangledpath, fullpath, mangled_len))
{
DEBUG(2,("found one mangled linked to [%s]\n", list[i].sharename));
ok=True;
break;
}
}
return ok;
}
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