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-rw-r--r--source3/lib/substitute.c69
-rw-r--r--source3/lib/username.c15
2 files changed, 62 insertions, 22 deletions
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index 8e2ee3c052..deef085c99 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -35,6 +35,7 @@ extern pstring global_myname;
Based on code by Branko Cibej <branko.cibej@hermes.si>
When this is called p points at the '%' character.
********************************************************************/
+
static size_t expand_env_var(char *p, int len)
{
fstring envname;
@@ -87,14 +88,19 @@ static size_t expand_env_var(char *p, int len)
Patch from jkf@soton.ac.uk
Added this to implement %p (NIS auto-map version of %H)
*******************************************************************/
-static char *automount_path(char *user_name)
+
+static char *automount_path(const char *user_name)
{
static pstring server_path;
+ struct passwd *pass;
/* use the passwd entry as the default */
/* this will be the default if WITH_AUTOMOUNT is not used or fails */
- /* pstrcpy() copes with get_user_home_dir() returning NULL */
- pstrcpy(server_path, get_user_home_dir(user_name));
+
+ if (((pass = Get_Pwnam(user_name))!=NULL) && (pass->pw_dir != NULL))
+ pstrcpy(server_path, pass->pw_dir );
+ else
+ *server_path = '\0';
#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
@@ -111,9 +117,8 @@ static char *automount_path(char *user_name)
}
} else {
/* NIS key lookup failed: default to user home directory from password file */
- pstrcpy(server_path, get_user_home_dir(user_name));
- DEBUG(5, ("NIS lookup failed. Using Home path from passwd file. Home path is: %s\n",
- server_path ));
+ pstrcpy(server_path, get_user_home_dir(user_name));
+ DEBUG(5, ("NIS lookup failed. Using Home path from passwd file. Home path is: %s\n", server_path ));
}
}
#endif
@@ -123,36 +128,32 @@ static char *automount_path(char *user_name)
return server_path;
}
-
/*******************************************************************
Patch from jkf@soton.ac.uk
This is Luke's original function with the NIS lookup code
moved out to a separate function.
*******************************************************************/
+
static char *automount_server(const char *user_name)
{
static pstring server_name;
/* use the local machine name as the default */
/* this will be the default if WITH_AUTOMOUNT is not used or fails */
- if (*local_machine) {
+ if (*local_machine)
pstrcpy(server_name, local_machine);
- } else {
+ else
pstrcpy(server_name, global_myname);
- }
#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
- if (lp_nis_home_map())
- {
+ if (lp_nis_home_map()) {
int home_server_len;
char *automount_value = automount_lookup(user_name);
home_server_len = strcspn(automount_value,":");
DEBUG(5, ("NIS lookup succeeded. Home server length: %d\n",home_server_len));
if (home_server_len > sizeof(pstring))
- {
home_server_len = sizeof(pstring);
- }
strncpy(server_name, automount_value, home_server_len);
server_name[home_server_len] = '\0';
}
@@ -166,6 +167,7 @@ static char *automount_server(const char *user_name)
/****************************************************************************
Do some standard substitutions in a string.
****************************************************************************/
+
void standard_sub_basic(const char *smb_name, char *str)
{
char *p, *s;
@@ -226,10 +228,10 @@ void standard_sub_basic(const char *smb_name, char *str)
}
}
-
/****************************************************************************
Do some standard substitutions in a string.
****************************************************************************/
+
void standard_sub_advanced(int snum, const char *user, const char *connectpath, gid_t gid, const char *smb_name, char *str)
{
char *p, *s, *home;
@@ -286,14 +288,47 @@ void standard_sub_advanced(int snum, const char *user, const char *connectpath,
/****************************************************************************
Do some standard substitutions in a string.
****************************************************************************/
+
void standard_sub_conn(connection_struct *conn, char *str)
{
standard_sub_advanced(SNUM(conn), conn->user, conn->connectpath, conn->gid, current_user_info.smb_name, str);
}
/****************************************************************************
-like standard_sub but by snum
+ Like standard_sub but for a homes share where snum still points to the [homes]
+ share. No user specific snum created yet so servicename should be the username.
****************************************************************************/
+
+void standard_sub_home(int snum, const char *user, char *str)
+{
+ char *p, *s;
+
+ for (s=str; (p=strchr_m(s, '%'));s=p) {
+ int l = sizeof(pstring) - (int)(p-str);
+
+ switch (*(p+1)) {
+ case 'S':
+ string_sub(p,"%S", user, l);
+ break;
+ case 'p':
+ string_sub(p,"%p", automount_path(user), l);
+ break;
+ case '\0':
+ p++;
+ break; /* don't run off the end of the string */
+
+ default: p+=2;
+ break;
+ }
+ }
+
+ standard_sub_advanced(snum, user, "", -1, current_user_info.smb_name, str);
+}
+
+/****************************************************************************
+ Like standard_sub but by snum.
+****************************************************************************/
+
void standard_sub_snum(int snum, char *str)
{
extern struct current_user current_user;
@@ -313,6 +348,7 @@ void standard_sub_snum(int snum, char *str)
/*******************************************************************
Substitute strings with useful parameters.
********************************************************************/
+
void standard_sub_vuser(char *str, user_struct *vuser)
{
standard_sub_advanced(-1, vuser->user.unix_name, "", -1, current_user_info.smb_name, str);
@@ -321,6 +357,7 @@ void standard_sub_vuser(char *str, user_struct *vuser)
/*******************************************************************
Substitute strings with useful parameters.
********************************************************************/
+
void standard_sub_vsnum(char *str, user_struct *vuser, int snum)
{
standard_sub_advanced(snum, vuser->user.unix_name, "", -1, current_user_info.smb_name, str);
diff --git a/source3/lib/username.c b/source3/lib/username.c
index 8154a2b40e..c7e25b7cd1 100644
--- a/source3/lib/username.c
+++ b/source3/lib/username.c
@@ -45,6 +45,13 @@ char *get_user_home_dir(const char *user)
static struct passwd *pass;
int snum;
+ /* Ensure the user exists. */
+
+ pass = Get_Pwnam(user);
+
+ if (!pass)
+ return(NULL);
+
/* If a path is specified in [homes] then use it instead of the
user's home directory from struct passwd. */
@@ -52,18 +59,14 @@ char *get_user_home_dir(const char *user)
static pstring home_dir;
pstrcpy(home_dir, lp_pathname(snum));
- standard_sub_snum(snum, home_dir);
+ standard_sub_home(snum, user, home_dir);
if (home_dir[0])
return home_dir;
}
- /* Get home directory from struct passwd. */
-
- pass = Get_Pwnam(user);
+ /* Return home directory from struct passwd. */
- if (!pass)
- return(NULL);
return(pass->pw_dir);
}