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From 00bc6830e3fe3f10495917afe0835ddd19133c6a Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Thu, 16 Jul 2020 17:34:43 +0200
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Subject: [PATCH 10/11] shadow: Implement fgetspent_r using __nss_fgetent_r
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Tested-by: Carlos O'Donell <carlos@redhat.com>
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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---
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gshadow/tst-fgetsgent_r.c | 1 +
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shadow/fgetspent_r.c | 43 ++++++-------------------------------------
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2 files changed, 7 insertions(+), 37 deletions(-)
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diff -rup a/gshadow/tst-fgetsgent_r.c b/gshadow/tst-fgetsgent_r.c
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--- a/gshadow/tst-fgetsgent_r.c 2020-09-14 18:00:57.174146151 -0400
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+++ b/gshadow/tst-fgetsgent_r.c 2020-09-14 19:12:57.867548005 -0400
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@@ -168,6 +168,7 @@ run_test (const char *path, size_t buffe
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free (result_storage);
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}
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+ xfclose (fp);
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return resized;
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}
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diff -rup a/shadow/fgetspent_r.c b/shadow/fgetspent_r.c
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--- a/shadow/fgetspent_r.c 2018-08-01 01:10:47.000000000 -0400
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+++ b/shadow/fgetspent_r.c 2020-09-14 19:17:15.623285970 -0400
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@@ -20,9 +20,6 @@
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#include <shadow.h>
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#include <stdio.h>
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-#define flockfile(s) _IO_flockfile (s)
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-#define funlockfile(s) _IO_funlockfile (s)
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-
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/* Define a line parsing function using the common code
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used in the nss_files module. */
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@@ -39,39 +36,11 @@ int
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__fgetspent_r (FILE *stream, struct spwd *resbuf, char *buffer, size_t buflen,
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struct spwd **result)
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{
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- char *p;
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-
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- flockfile (stream);
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- do
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- {
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- buffer[buflen - 1] = '\xff';
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- p = fgets_unlocked (buffer, buflen, stream);
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- if (p == NULL && feof_unlocked (stream))
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- {
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- funlockfile (stream);
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- *result = NULL;
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- __set_errno (ENOENT);
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- return errno;
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- }
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- if (p == NULL || buffer[buflen - 1] != '\xff')
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- {
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- funlockfile (stream);
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- *result = NULL;
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- __set_errno (ERANGE);
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- return errno;
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- }
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-
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- /* Skip leading blanks. */
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- while (isspace (*p))
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- ++p;
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- } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
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- /* Parse the line. If it is invalid, loop to
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- get the next line of the file to parse. */
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- ! parse_line (buffer, (void *) resbuf, NULL, 0, &errno));
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-
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- funlockfile (stream);
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-
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- *result = resbuf;
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- return 0;
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+ int ret = __nss_fgetent_r (stream, resbuf, buffer, buflen, parse_line);
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+ if (ret == 0)
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+ *result = resbuf;
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+ else
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+ *result = NULL;
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+ return ret;
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}
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weak_alias (__fgetspent_r, fgetspent_r)
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