Add a fast passwd walk function.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5828 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

2 files changed, 19 insertions, 0 deletions

diff --git a/pttbbs/common/bbs/passwd.c b/pttbbs/common/bbs/passwd.c
index 0318bc83..acc2813e 100644
--- a/pttbbs/common/bbs/passwd.c
+++ b/pttbbs/common/bbs/passwd.c
@@ -185,6 +185,24 @@ passwd_apply(void *ctx, int (*fptr) (void *ctx, int, userec_t *))
     return 0;
 }
 
+int
+passwd_fast_apply(void *ctx, int(*fptr)(void *ctx, int, userec_t *))
+{
+    int i, fd;
+    userec_t user;
+    if ((fd = open(fn_passwd, O_RDONLY)) < 0)
+        exit(1);
+    for (i = 0; i < MAX_USERS; i++) {
+        memset(&user, 0, sizeof(user));
+        if (read(fd, &user, sizeof(user)) != sizeof(user))
+            return -1;
+	if ((*fptr) (ctx, i, &user) < 0)
+	    return -1;
+    }
+    close(fd);
+    return 0;
+}
+
 // XXX NOTE: string in plain will be destroyed.
 int
 checkpasswd(const char *passwd, char *plain)
diff --git a/pttbbs/include/cmbbs.h b/pttbbs/include/cmbbs.h
index 5e6b8cbf..9d5bab43 100644
--- a/pttbbs/include/cmbbs.h
+++ b/pttbbs/include/cmbbs.h
@@ -106,6 +106,7 @@ int  passwd_update(int num, userec_t *buf);
 int  passwd_query (int num, userec_t *buf);
 int  passwd_load_user(const char *userid, userec_t *buf);
 int  passwd_apply (void *data, int (*fptr)(void *, int, userec_t *));
+int passwd_fast_apply(void *ctx, int(*fptr)(void *ctx, int, userec_t *));
 int  checkpasswd  (const char *passwd, char *test);  // test will be destroyed
 void logattempt   (const char *uid, char type, time4_t now, const char *fromhost);
 char*genpasswd    (char *pw);