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Re: CVS commit: src/include




On Feb 18, 2006, at 6:53 AM, Elad Efrat wrote:

Jason Thorpe wrote:

This looks okay to me.  Although, I would still do:

typedef struct pw_policy *pw_policy_t;

and return/pass a pw_policy_t.

see attached diff.

This looks good.


-e.

-- Elad Efrat
Index: include/util.h
===================================================================
RCS file: /cvsroot/src/include/util.h,v
retrieving revision 1.39
diff -u -p -r1.39 util.h
--- include/util.h      18 Feb 2006 10:53:33 -0000      1.39
+++ include/util.h      18 Feb 2006 14:52:16 -0000
@@ -56,9 +56,6 @@
 #define        PW_POLICY_BYPASSWD      1
 #define        PW_POLICY_BYGROUP       2

-#define PW_POLICY_INIT { -1, -1, -1, -1, -1, -1, -1, \
-                         -1, -1, -1, -1, -1, -1, -1 }
-
 __BEGIN_DECLS
 struct disklabel;
 struct iovec;
@@ -68,22 +65,7 @@ struct utmp;
 struct winsize;
 struct sockaddr;

-struct pw_policy {
-       int32_t minlen;
-       int32_t maxlen;
-       int32_t minupper;
-       int32_t maxupper;
-       int32_t minlower;
-       int32_t maxlower;
-       int32_t mindigits;
-       int32_t maxdigits;
-       int32_t minpunct;
-       int32_t maxpunct;
-       int32_t mintoggles;
-       int32_t maxtoggles;
-       int32_t minclasses;
-       int32_t maxclasses;
-};
+typedef struct pw_policy *pw_policy_t;

 pid_t          forkpty(int *, char *, struct termios *, struct winsize *);
 const char     *getbootfile(void);
@@ -118,8 +100,9 @@ const char     *pw_getprefix(void);
 void           pw_init(void);
 int            pw_lock(int);
 int            pw_mkdb(const char *, int);
-int            pw_policy_load(struct pw_policy *, void *, int);
-int            pw_policy_test(struct pw_policy *, char *);
+pw_policy_t    pw_policy_load(void *, int);
+int            pw_policy_test(pw_policy_t, char *);
+void           pw_policy_free(pw_policy_t);
 void           pw_prompt(void);
 int            pw_setprefix(const char *);
 int            secure_path(const char *);
Index: lib/libutil/pw_policy.c
===================================================================
RCS file: /cvsroot/src/lib/libutil/pw_policy.c,v
retrieving revision 1.3
diff -u -p -r1.3 pw_policy.c
--- lib/libutil/pw_policy.c     18 Feb 2006 10:52:48 -0000      1.3
+++ lib/libutil/pw_policy.c     18 Feb 2006 14:52:16 -0000
@@ -48,8 +48,8 @@
                                 (min > 0 && min > n) ||          \
                                 (max > 0 && max < n)

-#define        HANDLER_PROTO   struct pw_policy *, int, char *, void *, void *
-#define HANDLER_ARGS struct pw_policy *policy, int flag, char *pw, void *arg, void *arg2
+#define        HANDLER_PROTO   pw_policy_t, int, char *, void *, void *
+#define HANDLER_ARGS pw_policy_t policy, int flag, char *pw, void *arg, void *arg2

 static int pw_policy_parse_num(char *, int32_t *);
 static int pw_policy_parse_range(char *, int32_t *, int32_t *);
@@ -59,6 +59,23 @@ static int pw_policy_handle_charclass(HA
 static int pw_policy_handle_nclasses(HANDLER_PROTO);
 static int pw_policy_handle_ntoggles(HANDLER_PROTO);

+struct pw_policy {
+       int32_t minlen;
+       int32_t maxlen;
+       int32_t minupper;
+       int32_t maxupper;
+       int32_t minlower;
+       int32_t maxlower;
+       int32_t mindigits;
+       int32_t maxdigits;
+       int32_t minpunct;
+       int32_t maxpunct;
+       int32_t mintoggles;
+       int32_t maxtoggles;
+       int32_t minclasses;
+       int32_t maxclasses;
+};
+
 struct pw_policy_handler {
        const char *name;
        int (*handler)(HANDLER_PROTO);
@@ -322,18 +339,19 @@ pw_policy_handle_ntoggles(HANDLER_ARGS)
        return (0);
 }

-int
-pw_policy_load(struct pw_policy *policy, void *key, int how)
+pw_policy_t
+pw_policy_load(void *key, int how)
 {
+       pw_policy_t policy;
        struct pw_policy_handler *hp;
        char buf[BUFSIZ];

        /* If there's no /etc/passwd.conf, don't touch the policy. */
-       if (access(_PATH_PASSWD_CONF, R_OK) == -1)
-               return (ENOENT);
+       if (access(_PATH_PASSWD_CONF, R_OK) == -1) {
+               errno = ENOENT;

-       if (policy == NULL)
-               return (EFAULT);
+               return (NULL);
+       }

        /* No key provided. Use default. */
        if (key == NULL) {
@@ -399,10 +417,18 @@ pw_policy_load(struct pw_policy *policy,
                 * Fail the policy because we don't know how to parse the
                 * key we were passed.
                 */
-               return (EINVAL);
+               errno = EINVAL;
+
+               return (NULL);
        }

  load_policies:
+       policy = malloc(sizeof(struct pw_policy));
+       if (policy == NULL)
+               return (NULL);
+
+       memset(policy, 0, sizeof(struct pw_policy));
+
        hp = &handlers[0];
        while (hp->name != NULL) {
                int error;
@@ -412,18 +438,20 @@ pw_policy_load(struct pw_policy *policy,
                if (*buf) {
                        error = hp->handler(policy, LOAD_POLICY, NULL, buf,
                                            hp->arg2);
-                       if (error)
-                               return (error);
+                       if (error) {
+                               errno = error;
+                               return (NULL);
+                       }
                }

                hp++;
        }

-       return (0);
+       return (policy);
 }

 int
-pw_policy_test(struct pw_policy *policy, char *pw)
+pw_policy_test(pw_policy_t policy, char *pw)
 {
        struct pw_policy_handler *hp;

@@ -443,3 +471,9 @@ pw_policy_test(struct pw_policy *policy,

        return (0);
 }
+
+void
+pw_policy_free(pw_policy_t policy)
+{
+       free(policy);
+}

-- thorpej




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