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Description: Fix dynamic linking with zsh-static and resulting segfaults on libc updates
Origin: https://zsh.org/workers/49422
Bug-Debian: https://bugs.debian.org/993843
Bug: https://zsh.org/workers/49392
Author: Axel Beckert <abe@debian.org>
Author: Jun T <takimoto-j@kba.biglobe.ne.jp>
--- a/Src/Modules/parameter.c
+++ b/Src/Modules/parameter.c
@@ -2011,6 +2011,9 @@
/**/
static Groupset get_all_groups(void)
{
+#ifdef DISABLE_DYNAMIC_NSS
+ return NULL;
+#else
Groupset gs = zhalloc(sizeof(*gs));
Groupmap gaptr;
gid_t *list, *lptr, egid;
@@ -2063,6 +2066,7 @@
}
return gs;
+#endif /* DISABLE_DYNAMIC_NSS */
}
/* Standard hash element lookup. */
@@ -2081,7 +2085,11 @@
pm->gsu.s = &nullsetscalar_gsu;
if (!gs) {
+#ifdef DISABLE_DYNAMIC_NSS
+ zerr("parameter 'usergroups' not available: NSS is disabled");
+#else
zerr("failed to retrieve groups for user: %e", errno);
+#endif
pm->u.str = dupstring("");
pm->node.flags |= (PM_UNSET|PM_SPECIAL);
return &pm->node;
@@ -2113,7 +2121,11 @@
Groupmap gaptr;
if (!gs) {
+#ifdef DISABLE_DYNAMIC_NSS
+ zerr("parameter 'usergroups' not available: NSS is disabled");
+#else
zerr("failed to retrieve groups for user: %e", errno);
+#endif
return;
}
--- a/Src/hashnameddir.c
+++ b/Src/hashnameddir.c
@@ -178,7 +178,7 @@
/* Using NIS or NIS+ didn't add any user directories. This seems
* fishy, so we fall back to using getpwent(). If we don't have
* that, we only use the passwd file. */
-#ifdef HAVE_GETPWENT
+#ifdef USE_GETPWENT
struct passwd *pw;
setpwent();
@@ -190,7 +190,7 @@
endpwent();
usepwf = 0;
-#endif /* HAVE_GETPWENT */
+#endif /* USE_GETPWENT */
}
if (usepwf) {
/* Don't forget the non-NIS matches from the flat passwd file */
@@ -229,7 +229,7 @@
adduserdir(pw->pw_name, pw->pw_dir, ND_USERNAME, 1);
endpwent();
-#endif /* HAVE_GETPWENT */
+#endif /* USE_GETPWENT */
#endif
allusersadded = 1;
}
--- a/Src/options.c
+++ b/Src/options.c
@@ -807,7 +807,7 @@
return -1;
}
-# ifdef HAVE_INITGROUPS
+# ifdef USE_INITGROUPS
/* Set the supplementary groups list.
*
* Note that on macOS, FreeBSD, and possibly some other platforms,
--- a/Src/params.c
+++ b/Src/params.c
@@ -841,9 +841,12 @@
setsparam("HOST", ztrdup_metafy(hostnam));
zfree(hostnam, 256);
- setsparam("LOGNAME",
- ztrdup_metafy((str = getlogin()) && *str ?
- str : cached_username));
+ setsparam("LOGNAME", ztrdup_metafy(
+#ifndef DISABLE_DYNAMIC_NSS
+ (str = getlogin()) && *str ? str :
+#endif
+ cached_username
+ ));
#if !defined(HAVE_PUTENV) && !defined(USE_SET_UNSET_ENV)
/* Copy the environment variables we are inheriting to dynamic *
@@ -4414,7 +4417,7 @@
void
usernamesetfn(UNUSED(Param pm), char *x)
{
-#if defined(HAVE_SETUID) && defined(HAVE_GETPWNAM)
+#if defined(HAVE_SETUID) && defined(USE_GETPWNAM)
struct passwd *pswd;
if (x && (pswd = getpwnam(x)) && (pswd->pw_uid != cached_uid)) {
@@ -4431,7 +4434,7 @@
cached_uid = pswd->pw_uid;
}
}
-#endif /* HAVE_SETUID && HAVE_GETPWNAM */
+#endif /* HAVE_SETUID && USE_GETPWNAM */
zsfree(x);
}
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -1115,7 +1115,7 @@
char *
get_username(void)
{
-#ifdef HAVE_GETPWUID
+#ifdef USE_GETPWUID
struct passwd *pswd;
uid_t current_uid;
@@ -1128,9 +1128,9 @@
else
cached_username = ztrdup("");
}
-#else /* !HAVE_GETPWUID */
+#else /* !USE_GETPWUID */
cached_uid = getuid();
-#endif /* !HAVE_GETPWUID */
+#endif /* !USE_GETPWUID */
return cached_username;
}
@@ -1306,7 +1306,7 @@
return str;
}
-#ifdef HAVE_GETPWNAM
+#ifdef USE_GETPWNAM
{
/* Retrieve an entry from the password table/database for this user. */
struct passwd *pw;
@@ -1322,7 +1322,7 @@
return dupstring(pw->pw_dir);
}
}
-#endif /* HAVE_GETPWNAM */
+#endif /* USE_GETPWNAM */
/* There are no more possible sources of directory names, so give up. */
return NULL;
|
