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-rw-r--r--source3/auth/auth_rhosts.c4
-rw-r--r--source3/auth/auth_unix.c2
-rw-r--r--source3/lib/substitute.c2
-rw-r--r--source3/lib/username.c77
-rw-r--r--source3/passdb/smbpassgroup.c2
-rw-r--r--source3/rpc_server/srv_samr_nt.c4
-rw-r--r--source3/smbd/auth_rhosts.c4
-rw-r--r--source3/smbd/auth_unix.c2
-rw-r--r--source3/smbd/chgpasswd.c58
-rw-r--r--source3/smbd/lanman.c4
-rw-r--r--source3/smbd/password.c4
-rw-r--r--source3/smbd/service.c2
-rw-r--r--source3/smbd/uid.c2
13 files changed, 114 insertions, 53 deletions
diff --git a/source3/auth/auth_rhosts.c b/source3/auth/auth_rhosts.c
index d6ca01936f..9f5f1e10e5 100644
--- a/source3/auth/auth_rhosts.c
+++ b/source3/auth/auth_rhosts.c
@@ -86,7 +86,7 @@ static BOOL check_user_equiv(const char *user, const char *remote, const char *e
static char *mydomain = NULL;
if (!mydomain)
yp_get_default_domain(&mydomain);
- if (mydomain && innetgr(file_host,(char *)remote,(char *)user,mydomain))
+ if (mydomain && innetgr(file_host,remote,user,mydomain))
host_ok = True;
}
#else
@@ -135,7 +135,7 @@ static BOOL check_hosts_equiv(char *user) /* should be const... */
{
char *fname = NULL;
pstring rhostsfile;
- struct passwd *pass = Get_Pwnam(user,False);
+ struct passwd *pass = Get_Pwnam(user);
if (!pass)
return(False);
diff --git a/source3/auth/auth_unix.c b/source3/auth/auth_unix.c
index 2f9034e3e5..29a2a6eafb 100644
--- a/source3/auth/auth_unix.c
+++ b/source3/auth/auth_unix.c
@@ -89,7 +89,7 @@ NTSTATUS check_unix_security(const auth_usersupplied_info *user_info, auth_serve
become_root();
- pass = Get_Pwnam(user_info->unix_username.str, False);
+ pass = Get_Pwnam(user_info->unix_username.str);
nt_status = pass_check(pass,
pass ? pass->pw_name : user_info->unix_username.str,
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index 5336eb947f..60ff62cb06 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -186,7 +186,7 @@ void standard_sub_basic(char *str)
string_sub(p,"%U",tmp_str,l);
break;
case 'G' :
- if ((pass = Get_Pwnam(current_user_info.smb_name, False))!=NULL) {
+ if ((pass = Get_Pwnam(current_user_info.smb_name))!=NULL) {
string_sub(p,"%G",gidtoname(pass->pw_gid),l);
} else {
p += 2;
diff --git a/source3/lib/username.c b/source3/lib/username.c
index 24195b196b..074e6c8992 100644
--- a/source3/lib/username.c
+++ b/source3/lib/username.c
@@ -22,18 +22,18 @@
#include "includes.h"
/* internal functions */
-static struct passwd *uname_string_combinations(char *s, struct passwd * (*fn) (char *), int N);
-static struct passwd *uname_string_combinations2(char *s, int offset, struct passwd * (*fn) (char *), int N);
+static struct passwd *uname_string_combinations(char *s, struct passwd * (*fn) (const char *), int N);
+static struct passwd *uname_string_combinations2(char *s, int offset, struct passwd * (*fn) (const char *), int N);
/****************************************************************************
Get a users home directory.
****************************************************************************/
-char *get_user_home_dir(char *user)
+char *get_user_home_dir(const char *user)
{
static struct passwd *pass;
- pass = Get_Pwnam(user, False);
+ pass = Get_Pwnam(user);
if (!pass) return(NULL);
return(pass->pw_dir);
@@ -158,7 +158,7 @@ BOOL map_username(char *user)
Get_Pwnam wrapper
****************************************************************************/
-static struct passwd *_Get_Pwnam(char *s)
+static struct passwd *_Get_Pwnam(const char *s)
{
struct passwd *ret;
@@ -183,18 +183,16 @@ static struct passwd *_Get_Pwnam(char *s)
* - in all lower case if this differs from transmitted
* - in all upper case if this differs from transmitted
* - using lp_usernamelevel() for permutations.
- * NOTE: This can potentially modify 'user' depending on value of
- * allow_change!
*/
-struct passwd *Get_Pwnam(char *user,BOOL allow_change)
+struct passwd *Get_Pwnam_internals(const char *user, char *user2)
{
- fstring user2;
struct passwd *ret = NULL;
- if (!user || !(*user))
+ if (!user2 || !(*user2))
return(NULL);
- fstrcpy(user2, user);
+ if (!user || !(*user))
+ return(NULL);
/* Try in all lower case first as this is the most
common case on UNIX systems */
@@ -228,19 +226,53 @@ struct passwd *Get_Pwnam(char *user,BOOL allow_change)
done:
DEBUG(5,("Get_Pwnam %s find a valid username!\n",ret ? "did":"didn't"));
+ return ret;
+}
+
+/****************************************************************************
+ Get_Pwnam wrapper for modification.
+ NOTE: This can potentially modify 'user'!
+****************************************************************************/
+
+struct passwd *Get_Pwnam_Modify(char *user)
+{
+ fstring user2;
+ struct passwd *ret;
+
+ fstrcpy(user2, user);
+
+ ret = Get_Pwnam_internals(user, user2);
+
/* If caller wants the modified username, ensure they get it */
- if(allow_change)
- fstrcpy(user,user2);
+ fstrcpy(user,user2);
/* We can safely assume ret is NULL if none of the above succeed */
return(ret);
}
/****************************************************************************
+ Get_Pwnam wrapper without modification.
+ NOTE: This with NOT modify 'user'!
+****************************************************************************/
+
+struct passwd *Get_Pwnam(const char *user)
+{
+ fstring user2;
+ struct passwd *ret;
+
+ fstrcpy(user2, user);
+
+ ret = Get_Pwnam_internals(user, user2);
+
+ /* We can safely assume ret is NULL if none of the above succeed */
+ return(ret);
+}
+
+/****************************************************************************
Check if a user is in a netgroup user list.
****************************************************************************/
-static BOOL user_in_netgroup_list(char *user,char *ngname)
+static BOOL user_in_netgroup_list(const char *user, const char *ngname)
{
#ifdef HAVE_NETGROUP
static char *mydomain = NULL;
@@ -333,11 +365,11 @@ failed with error %s\n", strerror(errno) ));
Check if a user is in a UNIX group.
****************************************************************************/
-static BOOL user_in_unix_group_list(char *user,char *gname)
+static BOOL user_in_unix_group_list(const char *user,const char *gname)
{
struct group *gptr;
char **member;
- struct passwd *pass = Get_Pwnam(user,False);
+ struct passwd *pass = Get_Pwnam(user);
DEBUG(10,("user_in_unix_group_list: checking user %s in group %s\n", user, gname));
@@ -532,7 +564,11 @@ struct passwd *smb_getpwnam(char *user, BOOL allow_change)
char *sep;
extern pstring global_myname;
- pw = Get_Pwnam(user, allow_change);
+ if (allow_change) {
+ pw = Get_Pwnam_Modify(user);
+ } else {
+ pw = Get_Pwnam(user);
+ }
if (pw) return pw;
/* if it is a domain qualified name and it isn't in our password
@@ -543,8 +579,11 @@ struct passwd *smb_getpwnam(char *user, BOOL allow_change)
p = strchr_m(user,*sep);
if (p &&
strncasecmp(global_myname, user, strlen(global_myname))==0) {
- return Get_Pwnam(p+1, allow_change);
+ if (allow_change) {
+ pw = Get_Pwnam_Modify(p+1);
+ } else {
+ pw = Get_Pwnam(p+1);
+ }
}
-
return NULL;
}
diff --git a/source3/passdb/smbpassgroup.c b/source3/passdb/smbpassgroup.c
index b332c9da7f..808abde661 100644
--- a/source3/passdb/smbpassgroup.c
+++ b/source3/passdb/smbpassgroup.c
@@ -157,7 +157,7 @@ static struct smb_passwd *getsmbfilegrpent(void *vp,
}
}
- pwfile = Get_Pwnam(pw_buf.smb_name, False);
+ pwfile = Get_Pwnam(pw_buf.smb_name);
if (pwfile == NULL)
{
DEBUG(0,("getsmbfilegrpent: smbpasswd database is corrupt!\n"));
diff --git a/source3/rpc_server/srv_samr_nt.c b/source3/rpc_server/srv_samr_nt.c
index 7e48d74359..6d57069149 100644
--- a/source3/rpc_server/srv_samr_nt.c
+++ b/source3/rpc_server/srv_samr_nt.c
@@ -864,7 +864,7 @@ static NTSTATUS get_group_alias_entries(TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, DOM
}
/* Don't return user private groups... */
- if (Get_Pwnam(smap.nt_name, False) != 0) {
+ if (Get_Pwnam(smap.nt_name) != 0) {
DEBUG(10,("get_group_alias_entries: not returing %s, clashes with user.\n", smap.nt_name ));
continue;
}
@@ -1362,7 +1362,7 @@ NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_
/*
* Do any UNIX username case mangling.
*/
- (void)Get_Pwnam( user_name, True);
+ (void)Get_Pwnam_Modify( user_name);
if (!pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
q_u->nt_newpass.pass, q_u->nt_oldhash.hash))
diff --git a/source3/smbd/auth_rhosts.c b/source3/smbd/auth_rhosts.c
index d6ca01936f..9f5f1e10e5 100644
--- a/source3/smbd/auth_rhosts.c
+++ b/source3/smbd/auth_rhosts.c
@@ -86,7 +86,7 @@ static BOOL check_user_equiv(const char *user, const char *remote, const char *e
static char *mydomain = NULL;
if (!mydomain)
yp_get_default_domain(&mydomain);
- if (mydomain && innetgr(file_host,(char *)remote,(char *)user,mydomain))
+ if (mydomain && innetgr(file_host,remote,user,mydomain))
host_ok = True;
}
#else
@@ -135,7 +135,7 @@ static BOOL check_hosts_equiv(char *user) /* should be const... */
{
char *fname = NULL;
pstring rhostsfile;
- struct passwd *pass = Get_Pwnam(user,False);
+ struct passwd *pass = Get_Pwnam(user);
if (!pass)
return(False);
diff --git a/source3/smbd/auth_unix.c b/source3/smbd/auth_unix.c
index 2f9034e3e5..29a2a6eafb 100644
--- a/source3/smbd/auth_unix.c
+++ b/source3/smbd/auth_unix.c
@@ -89,7 +89,7 @@ NTSTATUS check_unix_security(const auth_usersupplied_info *user_info, auth_serve
become_root();
- pass = Get_Pwnam(user_info->unix_username.str, False);
+ pass = Get_Pwnam(user_info->unix_username.str);
nt_status = pass_check(pass,
pass ? pass->pw_name : user_info->unix_username.str,
diff --git a/source3/smbd/chgpasswd.c b/source3/smbd/chgpasswd.c
index 49f87a4ca1..132a20cf05 100644
--- a/source3/smbd/chgpasswd.c
+++ b/source3/smbd/chgpasswd.c
@@ -118,20 +118,18 @@ static int findpty(char **slave)
return (-1);
}
-static int dochild(int master, char *slavedev, char *name,
- char *passwordprogram, BOOL as_root)
+static int dochild(int master, const char *slavedev, const struct passwd *pass,
+ const char *passwordprogram, BOOL as_root)
{
int slave;
struct termios stermios;
- struct passwd *pass = Get_Pwnam(name, True);
gid_t gid;
uid_t uid;
if (pass == NULL)
{
DEBUG(0,
- ("dochild: user name %s doesn't exist in the UNIX password database.\n",
- name));
+ ("dochild: user doesn't exist in the UNIX password database.\n"));
return False;
}
@@ -318,7 +316,7 @@ static int talktochild(int master, char *seq)
return (count > 0);
}
-static BOOL chat_with_program(char *passwordprogram, char *name,
+static BOOL chat_with_program(char *passwordprogram, struct passwd *pass,
char *chatsequence, BOOL as_root)
{
char *slavedev;
@@ -327,12 +325,19 @@ static BOOL chat_with_program(char *passwordprogram, char *name,
int wstat;
BOOL chstat = False;
+ if (pass == NULL)
+ {
+ DEBUG(0,
+ ("chat_with_program: user doesn't exist in the UNIX password database.\n"));
+ return False;
+ }
+
/* allocate a pseudo-terminal device */
if ((master = findpty(&slavedev)) < 0)
{
DEBUG(3,
("Cannot Allocate pty for password change: %s\n",
- name));
+ pass->pw_name));
return (False);
}
@@ -347,7 +352,7 @@ static BOOL chat_with_program(char *passwordprogram, char *name,
{
DEBUG(3,
("Cannot fork() child for password change: %s\n",
- name));
+ pass->pw_name));
close(master);
CatchChild();
return (False);
@@ -360,7 +365,7 @@ static BOOL chat_with_program(char *passwordprogram, char *name,
{
DEBUG(3,
("Child failed to change password: %s\n",
- name));
+ pass->pw_name));
kill(pid, SIGKILL); /* be sure to end this process */
}
@@ -426,10 +431,10 @@ static BOOL chat_with_program(char *passwordprogram, char *name,
become_root();
DEBUG(3,
- ("Dochild for user %s (uid=%d,gid=%d)\n", name,
+ ("Dochild for user %s (uid=%d,gid=%d)\n", pass->pw_name,
(int)getuid(), (int)getgid()));
chstat =
- dochild(master, slavedev, name, passwordprogram,
+ dochild(master, slavedev, pass, passwordprogram,
as_root);
if (as_root)
@@ -448,19 +453,20 @@ static BOOL chat_with_program(char *passwordprogram, char *name,
if (chstat)
DEBUG(3,
("Password change %ssuccessful for user %s\n",
- (chstat ? "" : "un"), name));
+ (chstat ? "" : "un"), pass->pw_name));
return (chstat);
}
-BOOL chgpasswd(char *name, char *oldpass, char *newpass, BOOL as_root)
+BOOL chgpasswd(const char *name, const char *oldpass, const char *newpass, BOOL as_root)
{
pstring passwordprogram;
pstring chatsequence;
size_t i;
size_t len;
- strlower(name);
+ struct passwd *pass;
+
DEBUG(3, ("Password change for user: %s\n", name));
#if DEBUG_PASSWORD
@@ -505,6 +511,8 @@ BOOL chgpasswd(char *name, char *oldpass, char *newpass, BOOL as_root)
return False;
}
}
+
+ pass = Get_Pwnam(name);
#ifdef WITH_PAM
if (lp_pam_password_change()) {
@@ -513,8 +521,12 @@ BOOL chgpasswd(char *name, char *oldpass, char *newpass, BOOL as_root)
if (as_root)
become_root();
- ret = smb_pam_passchange(name, oldpass, newpass);
-
+ if (pass) {
+ ret = smb_pam_passchange(pass->pw_name, oldpass, newpass);
+ } else {
+ ret = smb_pam_passchange(name, oldpass, newpass);
+ }
+
if (as_root)
unbecome_root();
@@ -522,6 +534,16 @@ BOOL chgpasswd(char *name, char *oldpass, char *newpass, BOOL as_root)
}
#endif
+ /* A non-PAM password change just doen't make sense without a valid local user */
+
+ if (pass == NULL)
+ {
+ DEBUG(0,
+ ("chgpasswd: user %s doesn't exist in the UNIX password database.\n",
+ name));
+ return False;
+ }
+
pstrcpy(passwordprogram, lp_passwd_program());
pstrcpy(chatsequence, lp_passwd_chat());
@@ -553,12 +575,12 @@ the string %%u, and the given string %s does not.\n", passwordprogram ));
all_string_sub(chatsequence, "%o", oldpass, sizeof(pstring));
all_string_sub(chatsequence, "%n", newpass, sizeof(pstring));
return (chat_with_program
- (passwordprogram, name, chatsequence, as_root));
+ (passwordprogram, pass, chatsequence, as_root));
}
#else /* ALLOW_CHANGE_PASSWORD */
-BOOL chgpasswd(char *name, char *oldpass, char *newpass, BOOL as_root)
+BOOL chgpasswd(const char *name, const char *oldpass, const char *newpass, BOOL as_root)
{
DEBUG(0, ("Password changing not compiled in (user=%s)\n", name));
return (False);
diff --git a/source3/smbd/lanman.c b/source3/smbd/lanman.c
index 3150253dab..7ade1e6d47 100644
--- a/source3/smbd/lanman.c
+++ b/source3/smbd/lanman.c
@@ -1954,7 +1954,7 @@ static BOOL api_SetUserPassword(connection_struct *conn,uint16 vuid, char *param
/*
* Do any UNIX username case mangling.
*/
- passwd = Get_Pwnam( user, True);
+ passwd = Get_Pwnam_Modify( user );
/*
* Attempt to verify the old password against smbpasswd entries
@@ -2082,7 +2082,7 @@ static BOOL api_SamOEMChangePassword(connection_struct *conn,uint16 vuid, char *
/*
* Do any UNIX username case mangling.
*/
- (void)Get_Pwnam( user, True);
+ (void)Get_Pwnam_Modify( user );
if (pass_oem_change(user, (uchar*) data, (uchar *)&data[516], NULL, NULL))
{
diff --git a/source3/smbd/password.c b/source3/smbd/password.c
index b1739d9bb6..e8f40f1fa3 100644
--- a/source3/smbd/password.c
+++ b/source3/smbd/password.c
@@ -276,7 +276,7 @@ void add_session_user(char *user)
fstring suser;
StrnCpy(suser,user,sizeof(suser)-1);
- if (!Get_Pwnam(suser,True)) return;
+ if (!Get_Pwnam_Modify(suser)) return;
if (suser && *suser && !in_list(suser,session_users,False))
{
@@ -551,7 +551,7 @@ and given password ok (%s)\n", user));
if (!ok && GUEST_OK(snum)) {
fstring guestname;
StrnCpy(guestname,lp_guestaccount(snum),sizeof(guestname)-1);
- if (Get_Pwnam(guestname,True)) {
+ if (Get_Pwnam(guestname)) {
fstrcpy(user,guestname);
ok = True;
DEBUG(3,("authorise_login: ACCEPTED: guest account and guest ok (%s)\n",
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index a871192ad5..37f4610b9d 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -450,7 +450,7 @@ connection_struct *make_connection(char *service,char *password,
/* Allow %S to be used by force user. */
pstring_sub(fuser,"%S",service);
- pass2 = (struct passwd *)Get_Pwnam(fuser,True);
+ pass2 = (struct passwd *)Get_Pwnam_Modify(fuser);
if (pass2) {
conn->uid = pass2->pw_uid;
conn->gid = pass2->pw_gid;
diff --git a/source3/smbd/uid.c b/source3/smbd/uid.c
index 2151068de5..ae287cca76 100644
--- a/source3/smbd/uid.c
+++ b/source3/smbd/uid.c
@@ -36,7 +36,7 @@ BOOL change_to_guest(void)
static fstring guest_name;
if (!pass) {
- pass = Get_Pwnam(lp_guestaccount(-1),True);
+ pass = Get_Pwnam(lp_guestaccount(-1));
if (!pass)
return(False);
guest_uid = pass->pw_uid;
generated by cgit (git 2.34.1) at 2024-12-02 22:33:09 +0000