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Do not fail password check if shadow password does not exist -

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fall back to ordinary one

Reduced usage of functions returning datain static buffers.
(mostly passwd/group/shadow related):

function                                             old     new   delta
correct_password                                     143     193     +50
sulogin_main                                         490     533     +43
adduser_main                                         732     774     +42
passwd_main                                         1875    1915     +40
addgroup_main                                        330     365     +35
bb_internal_getspnam                                  38       -     -38
bb_internal_fgetpwent                                 38       -     -38
bb_internal_fgetgrent                                 38       -     -38
static.resultbuf                                     168      88     -80
static.buffer                                       1872    1104    -768
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 5/2 up/down: 210/-962)         Total: -752 bytes
This commit is contained in:
Denis Vlasenko
2007-03-13 13:01:14 +00:00
parent c9c893d4f5
commit 5df955fce2
8 changed files with 122 additions and 80 deletions
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13
libbb/lineedit.c
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@@ -342,15 +342,18 @@ static void username_tab_completion(char *ud, char *with_shash_flg)
}
} else {
/* "~[^/]*" */
setpwent();
/* Using _r function to avoid pulling in static buffers */
char line_buff[PWD_BUFFER_SIZE];
struct passwd pwd;
struct passwd *result;
while ((entry = getpwent()) != NULL) {
setpwent();
while (!getpwent_r(&pwd, line_buff, sizeof(line_buff), &result)) {
/* Null usernames should result in all users as possible completions. */
if ( /*!userlen || */ !strncmp(ud, entry->pw_name, userlen)) {
add_match(xasprintf("~%s/", entry->pw_name));
if (/*!userlen || */ strncmp(ud, pwd.pw_name, userlen) == 0) {
add_match(xasprintf("~%s/", pwd.pw_name));
}
}
endpwent();
}
}