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modules/pam_listfile: use pam_str_skip_prefix

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* modules/pam_listfile/pam_listfile.c: Include "pam_inline.h".
(pam_sm_authenticate): Use pam_str_skip_prefix instead of ugly strncmp
invocations.
This commit is contained in:
Dmitry V. Levin 2020-03-16 21:02:18 +00:00
parent b7fbd1ca8e
commit 09ec054e56
1 changed files with 8 additions and 6 deletions
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14
modules/pam_listfile/pam_listfile.c
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@ -38,6 +38,7 @@
#include <security/_pam_macros.h>
#include <security/pam_modutil.h>
#include <security/pam_ext.h>
#include "pam_inline.h"
/* --- authentication management functions (only) --- */
@ -241,9 +242,9 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
}
if((citem == PAM_TTY) && citemp) {
/* Normalize the TTY name. */
if(strncmp(citemp, "/dev/", 5) == 0) {
citemp += 5;
}
const char *str = pam_str_skip_prefix(citemp, "/dev/");
if (str != NULL)
citemp = str;
}
if(!citemp || (strlen(citemp) == 0)) {
@ -322,7 +323,7 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
#endif
while((fgets(aline,sizeof(aline),inf) != NULL)
&& retval) {
char *a = aline;
const char *a = aline;
if(strlen(aline) == 0)
continue;
@ -333,8 +334,9 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
if(aline[strlen(aline) - 1] == '\r')
aline[strlen(aline) - 1] = '\0';
if(citem == PAM_TTY) {
if(strncmp(a, "/dev/", 5) == 0)
a += 5;
const char *str = pam_str_skip_prefix(a, "/dev/");
if (str != NULL)
a = str;
}
if (extitem == EI_GROUP) {
retval = !pam_modutil_user_in_group_nam_nam(pamh,