Mirrors/fish-shell
2
0
Fork 0
mirror of https://github.com/fish-shell/fish-shell synced 2024-12-25 20:33:08 +00:00
Code Issues Projects Releases Packages Wiki Activity

Handle setting $HOME with missing $USER

Browse source 
Fixes #4229 harder.
This commit is contained in:
Fabian Homborg 2017-07-20 19:45:03 +02:00
parent 529ba30b1a
commit 3b92d99277
1 changed files with 25 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

44
src/env.cpp
View file

@ -867,28 +867,34 @@ void env_init(const struct config_paths_t *paths /* or NULL */) {
// env HOME=(mktemp -d) su --preserve-environment fish
if (env_get_string(L"HOME").missing_or_empty()) {
const env_var_t unam = env_get_string(L"USER");
char *unam_narrow = wcs2str(unam.c_str());
struct passwd userinfo;
struct passwd *result;
char buf[8192];
int retval = getpwnam_r(unam_narrow, &userinfo, buf, sizeof(buf), &result);
if (retval || !result) {
// Maybe USER is set but it's bogus. Reset USER from the db and try again.
setup_user(true);
const env_var_t unam = env_get_string(L"USER");
unam_narrow = wcs2str(unam.c_str());
retval = getpwnam_r(unam_narrow, &userinfo, buf, sizeof(buf), &result);
}
if (!retval && result && userinfo.pw_dir) {
const wcstring dir = str2wcstring(userinfo.pw_dir);
env_set(L"HOME", dir.c_str(), ENV_GLOBAL | ENV_EXPORT);
if (!unam.missing_or_empty()) {
char *unam_narrow = wcs2str(unam.c_str());
struct passwd userinfo;
struct passwd *result;
char buf[8192];
int retval = getpwnam_r(unam_narrow, &userinfo, buf, sizeof(buf), &result);
if (retval || !result) {
// Maybe USER is set but it's bogus. Reset USER from the db and try again.
setup_user(true);
const env_var_t unam = env_get_string(L"USER");
unam_narrow = wcs2str(unam.c_str());
retval = getpwnam_r(unam_narrow, &userinfo, buf, sizeof(buf), &result);
}
if (!retval && result && userinfo.pw_dir) {
const wcstring dir = str2wcstring(userinfo.pw_dir);
env_set(L"HOME", dir.c_str(), ENV_GLOBAL | ENV_EXPORT);
} else {
// We cannot get $HOME, set it to the empty list.
// This triggers warnings for history and config.fish already,
// so it isn't necessary to warn here as well.
env_set(L"HOME", ENV_NULL, ENV_GLOBAL | ENV_EXPORT);
}
free(unam_narrow);
} else {
// We cannot get $HOME, set it to the empty list.
// This triggers warnings for history and config.fish already,
// so it isn't necessary to warn here as well.
// If $USER is empty as well (which we tried to set above),
// we can't get $HOME.
env_set(L"HOME", ENV_NULL, ENV_GLOBAL | ENV_EXPORT);
}
free(unam_narrow);
}
env_set_pwd(); // initialize the PWD variable