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(_nss_hesiod_initgroups_dyn): Correctly handle numeric group member information. Complete test for strtol overflow.
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@ -174,6 +174,7 @@ _nss_hesiod_initgroups_dyn (const char *user, gid_t group, long int *start,
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char *p;
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void *context;
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gid_t *groups = *groupsp;
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int save_errno;
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context = _nss_hesiod_init ();
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if (context == NULL)
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@ -214,6 +215,8 @@ _nss_hesiod_initgroups_dyn (const char *user, gid_t group, long int *start,
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groups[(*start)++] = group;
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}
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save_errno = errno;
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p = *list;
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while (*p != '\0')
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{
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@ -224,17 +227,24 @@ _nss_hesiod_initgroups_dyn (const char *user, gid_t group, long int *start,
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status = NSS_STATUS_NOTFOUND;
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q = p;
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while (*q != '\0' && *q != ':')
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while (*q != '\0' && *q != ':' && *q != ',')
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++q;
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if (*q != '\0')
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*q++ = '\0';
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__set_errno (0);
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val = strtol (p, &endp, 10);
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if (sizeof (gid_t) == sizeof (long int) || (gid_t) val == val)
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/* Test whether the number is representable in a variable of
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type `gid_t'. If not ignore the number. */
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if ((sizeof (gid_t) == sizeof (long int) || (gid_t) val == val)
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&& errno == 0)
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{
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if (*endp == '\0' && endp != p)
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status = NSS_STATUS_SUCCESS;
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{
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group = val;
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status = NSS_STATUS_SUCCESS;
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}
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else
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status = internal_gid_from_group (context, p, &group);
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@ -270,6 +280,8 @@ _nss_hesiod_initgroups_dyn (const char *user, gid_t group, long int *start,
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p = q;
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}
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__set_errno (save_errno);
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done:
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hesiod_free_list (context, list);
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hesiod_end (context);
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