diff options
Diffstat (limited to 'source3/lib')
-rw-r--r-- | source3/lib/substitute.c | 69 | ||||
-rw-r--r-- | source3/lib/username.c | 15 |
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); } |