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22195: don't set HOME in the shell

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This commit is contained in:
Peter Stephenson 2006-02-06 11:57:03 +00:00
parent 800c270d4d
commit 8b0cc87817
6 changed files with 23 additions and 16 deletions
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3
README
View file

@ -31,6 +31,9 @@ variables as an error, so can still return status 0 (depending on the
handling of other arguments). This appears to be the standard shell
behaviour.
The variable HOME is no longer set by the shell; it must be present
in the environment. It is valid for the variable to be unset.
Documentation
-------------

5
Src/Modules/newuser.c
View file

@ -67,8 +67,11 @@ boot_(UNUSED(Module m))
if (emulation != EMULATE_ZSH)
return 0;
if (!dotdir)
if (!dotdir) {
dotdir = home;
if (!dotdir)
return;
}
if (check_dotfile(dotdir, ".zshenv") == 0 ||
check_dotfile(dotdir, ".zprofile") == 0 ||

20
Src/init.c
View file

@ -795,22 +795,23 @@ setupvals(void)
* recheck the info for `USERNAME' */
cached_uid = getuid();
/* Get password entry and set info for `HOME' and `USERNAME' */
/* Get password entry and set info for `USERNAME' */
#ifdef HAVE_GETPWUID
if ((pswd = getpwuid(cached_uid))) {
home = metafy(pswd->pw_dir, -1, META_DUP);
cached_username = ztrdup(pswd->pw_name);
} else
#endif /* HAVE_GETPWUID */
{
home = ztrdup("/");
cached_username = ztrdup("");
}
/* Try a cheap test to see if we can *
* initialize `PWD' from `HOME' */
if (ispwd(home))
pwd = ztrdup(home);
/*
* Try a cheap test to see if we can initialize `PWD' from `HOME'.
* HOME must come from the environment; we're not allowed to
* set it locally.
*/
if ((ptr = getenv("HOME")) && ispwd(ptr))
pwd = ztrdup(ptr);
else if ((ptr = zgetenv("PWD")) && (strlen(ptr) < PATH_MAX) &&
(ptr = metafy(ptr, -1, META_STATIC), ispwd(ptr)))
pwd = ztrdup(ptr);
@ -1105,8 +1106,11 @@ sourcehome(char *s)
queue_signals();
if (emulation == EMULATE_SH || emulation == EMULATE_KSH ||
!(h = getsparam("ZDOTDIR")))
!(h = getsparam("ZDOTDIR"))) {
h = home;
if (!h)
return;
}
{
/* Let source() complain if path is too long */

5
Src/params.c
View file

@ -257,7 +257,7 @@ IPDEF1("TTYIDLE", ttyidle_gsu, PM_READONLY),
IPDEF2("USERNAME", username_gsu, PM_DONTIMPORT|PM_RESTRICTED),
IPDEF2("-", dash_gsu, PM_READONLY),
IPDEF2("histchars", histchars_gsu, PM_DONTIMPORT),
IPDEF2("HOME", home_gsu, 0),
IPDEF2("HOME", home_gsu, PM_UNSET),
IPDEF2("TERM", term_gsu, 0),
IPDEF2("WORDCHARS", wordchars_gsu, 0),
IPDEF2("IFS", ifs_gsu, PM_DONTIMPORT),
@ -690,9 +690,6 @@ createparamtable(void)
*envp = '\0';
opts[ALLEXPORT] = oae;
pm = (Param) paramtab->getnode(paramtab, "HOME");
if (!(pm->flags & PM_EXPORTED))
addenv(pm, home);
pm = (Param) paramtab->getnode(paramtab, "LOGNAME");
if (!(pm->flags & PM_EXPORTED))
addenv(pm, pm->u.str);

2
Src/subst.c
View file

@ -417,7 +417,7 @@ filesubstr(char **namptr, int assign)
val = zstrtol(str + 1, &ptr, 10);
if (isend(str[1])) { /* ~ */
*namptr = dyncat(home, str + 1);
*namptr = dyncat(home ? home : "", str + 1);
return 1;
} else if (str[1] == '+' && isend(str[2])) { /* ~+ */
*namptr = dyncat(pwd, str + 2);

4
Src/utils.c
View file

@ -630,8 +630,8 @@ finddir(char *s)
* whenever a node is added to or removed from the hash table, and *
* whenever the value of $HOME changes. (On startup, too.) */
if (!s) {
homenode.dir = home;
homenode.diff = strlen(home);
homenode.dir = home ? home : "";
homenode.diff = home ? strlen(home) : 0;
if(homenode.diff==1)
homenode.diff = 0;
if(!finddir_full)