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shadow-utils-newxidmap/shadow-4.1.4.1-largeGroup.p...

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diff -U0 shadow-4.1.4.1/ChangeLog.large_group shadow-4.1.4.1/ChangeLog
diff -up shadow-4.1.4.1/lib/gshadow.c.large_group shadow-4.1.4.1/lib/gshadow.c
--- shadow-4.1.4.1/lib/gshadow.c.large_group 2009-04-23 13:53:56.000000000 +0200
+++ shadow-4.1.4.1/lib/gshadow.c 2009-06-16 14:47:08.000000000 +0200
@@ -2,7 +2,7 @@
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 1998, Marek Michałkiewicz
* Copyright (c) 2005 , Tomasz Kłoczko
- * Copyright (c) 2008 , Nicolas François
+ * Copyright (c) 2008 - 2009, Nicolas François
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,6 @@
#include "prototypes.h"
#include "defines.h"
static /*@null@*/FILE *shadow;
-static char sgrbuf[BUFSIZ * 4];
static /*@null@*//*@only@*/char **members = NULL;
static size_t nmembers = 0;
static /*@null@*//*@only@*/char **admins = NULL;
@@ -131,12 +130,25 @@ void endsgent (void)
/*@observer@*//*@null@*/struct sgrp *sgetsgent (const char *string)
{
+ static char *sgrbuf = NULL;
+ static size_t sgrbuflen = 0;
+
char *fields[FIELDS];
char *cp;
int i;
+ size_t len = strlen (string) + 1;
+
+ if (len > sgrbuflen) {
+ char *buf = (char *) realloc (sgrbuf, sizeof (char) * len);
+ if (NULL == buf) {
+ return NULL;
+ }
+ sgrbuf = buf;
+ sgrbuflen = len;
+ }
- strncpy (sgrbuf, string, sizeof sgrbuf - 1);
- sgrbuf[sizeof sgrbuf - 1] = '\0';
+ strncpy (sgrbuf, string, len);
+ sgrbuf[len-1] = '\0';
cp = strrchr (sgrbuf, '\n');
if (NULL != cp) {
@@ -161,7 +173,7 @@ void endsgent (void)
* the line is invalid.
*/
- if ((NULL != cp) || (i != FIELDS))
+ if ((NULL != cp) || (i != FIELDS)) {
#ifdef USE_NIS
if (!IS_NISCHAR (fields[0][0])) {
return 0;
@@ -171,6 +183,7 @@ void endsgent (void)
#else
return 0;
#endif
+ }
sgroup.sg_name = fields[0];
sgroup.sg_passwd = fields[1];
@@ -199,20 +212,48 @@ void endsgent (void)
/*@observer@*//*@null@*/struct sgrp *fgetsgent (/*@null@*/FILE * fp)
{
- char buf[sizeof sgrbuf];
+ static size_t buflen = 0;
+ static char *buf = NULL;
+
char *cp;
+ struct sgrp *ret;
+
+ if (0 == buflen) {
+ buf = (char *) malloc (BUFSIZ);
+ if (NULL == buf) {
+ return NULL;
+ }
+ }
if (NULL == fp) {
- return (0);
+ return NULL;
}
#ifdef USE_NIS
- while (fgetsx (buf, (int) sizeof buf, fp) != (char *) 0)
+ while (fgetsx (buf, (int) sizeof buf, fp) == buf)
#else
- if (fgetsx (buf, (int) sizeof buf, fp) != (char *) 0)
+ if (fgetsx (buf, (int) sizeof buf, fp) == buf)
#endif
{
- cp = strchr (buf, '\n');
+ while ( ((cp = strrchr (buf, '\n')) == NULL)
+ && (feof (fp) == 0)) {
+ size_t len;
+
+ cp = (char *) realloc (buf, buflen*2);
+ if (NULL == cp) {
+ return NULL;
+ }
+ buf = cp;
+ buflen *= 2;
+
+ len = strlen (buf);
+ if (fgetsx (&buf[len],
+ (int) (buflen - len),
+ fp) != &buf[len]) {
+ return NULL;
+ }
+ }
+ cp = strrchr (buf, '\n');
if (NULL != cp) {
*cp = '\0';
}
@@ -223,7 +264,7 @@ void endsgent (void)
#endif
return (sgetsgent (buf));
}
- return 0;
+ return NULL;
}
/*
@@ -235,7 +276,6 @@ void endsgent (void)
#ifdef USE_NIS
bool nis_1_group = false;
struct sgrp *val;
- char buf[BUFSIZ];
#endif
if (NULL == shadow) {
setsgent ();
@@ -334,7 +374,6 @@ void endsgent (void)
struct sgrp *sgrp;
#ifdef USE_NIS
- char buf[BUFSIZ];
static char save_name[16];
int nis_disabled = 0;
#endif
diff -up shadow-4.1.4.1/libmisc/xgetgrgid.c.large_group shadow-4.1.4.1/libmisc/xgetgrgid.c
--- shadow-4.1.4.1/libmisc/xgetgrgid.c.large_group 2008-09-06 16:56:51.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetgrgid.c 2009-06-16 14:15:08.000000000 +0200
@@ -58,7 +58,6 @@
#define ARG_TYPE gid_t
#define ARG_NAME gid
#define DUP_FUNCTION __gr_dup
-#define MAX_LENGTH 0x8000
#define HAVE_FUNCTION_R (defined HAVE_GETGRGID_R)
#include "xgetXXbyYY.c"
diff -up shadow-4.1.4.1/libmisc/xgetgrnam.c.large_group shadow-4.1.4.1/libmisc/xgetgrnam.c
--- shadow-4.1.4.1/libmisc/xgetgrnam.c.large_group 2008-09-06 16:56:57.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetgrnam.c 2009-06-16 14:15:08.000000000 +0200
@@ -58,7 +58,6 @@
#define ARG_TYPE const char *
#define ARG_NAME name
#define DUP_FUNCTION __gr_dup
-#define MAX_LENGTH 0x8000
#define HAVE_FUNCTION_R (defined HAVE_GETGRNAM_R)
#include "xgetXXbyYY.c"
diff -up shadow-4.1.4.1/libmisc/xgetpwnam.c.large_group shadow-4.1.4.1/libmisc/xgetpwnam.c
--- shadow-4.1.4.1/libmisc/xgetpwnam.c.large_group 2008-09-06 16:57:05.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetpwnam.c 2009-06-16 14:15:08.000000000 +0200
@@ -58,7 +58,6 @@
#define ARG_TYPE const char *
#define ARG_NAME name
#define DUP_FUNCTION __pw_dup
-#define MAX_LENGTH 0x8000
#define HAVE_FUNCTION_R (defined HAVE_GETPWNAM_R)
#include "xgetXXbyYY.c"
diff -up shadow-4.1.4.1/libmisc/xgetpwuid.c.large_group shadow-4.1.4.1/libmisc/xgetpwuid.c
--- shadow-4.1.4.1/libmisc/xgetpwuid.c.large_group 2008-09-06 16:57:11.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetpwuid.c 2009-06-16 14:15:08.000000000 +0200
@@ -58,7 +58,6 @@
#define ARG_TYPE uid_t
#define ARG_NAME uid
#define DUP_FUNCTION __pw_dup
-#define MAX_LENGTH 0x8000
#define HAVE_FUNCTION_R (defined HAVE_GETPWUID_R)
#include "xgetXXbyYY.c"
diff -up shadow-4.1.4.1/libmisc/xgetspnam.c.large_group shadow-4.1.4.1/libmisc/xgetspnam.c
--- shadow-4.1.4.1/libmisc/xgetspnam.c.large_group 2008-09-06 16:57:17.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetspnam.c 2009-06-16 14:15:08.000000000 +0200
@@ -58,7 +58,6 @@
#define ARG_TYPE const char *
#define ARG_NAME name
#define DUP_FUNCTION __spw_dup
-#define MAX_LENGTH 0x8000
#define HAVE_FUNCTION_R (defined HAVE_GETSPNAM_R)
#include "xgetXXbyYY.c"
diff -up shadow-4.1.4.1/libmisc/xgetXXbyYY.c.large_group shadow-4.1.4.1/libmisc/xgetXXbyYY.c
--- shadow-4.1.4.1/libmisc/xgetXXbyYY.c.large_group 2009-04-23 11:15:53.000000000 +0200
+++ shadow-4.1.4.1/libmisc/xgetXXbyYY.c 2009-06-16 14:15:08.000000000 +0200
@@ -79,7 +79,7 @@
exit (13);
}
- do {
+ while (true) {
int status;
LOOKUP_TYPE *resbuf = NULL;
buffer = (char *)realloc (buffer, length);
@@ -106,8 +106,14 @@
return NULL;
}
- length *= 4;
- } while (length < MAX_LENGTH);
+ if (length <= ((size_t)-1 / 4)) {
+ length *= 4;
+ } else if (length == (size_t) -1) {
+ break;
+ } else {
+ length = (size_t) -1;
+ }
+ }
free(buffer);
free(result);
diff -up shadow-4.1.4.1/NEWS.large_group shadow-4.1.4.1/NEWS
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