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lint: replace getpwname() with getpwnam_r()

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Kurtis Rader 2017-05-09 22:23:32 -07:00
parent 9b78857894
commit a92a7cbb9c
2 changed files with 14 additions and 8 deletions
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13
src/env.cpp
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@ -840,16 +840,19 @@ void env_init(const struct config_paths_t *paths /* or NULL */) {
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 *pw = getpwnam(unam_narrow);
if (pw == NULL) {
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());
pw = getpwnam(unam_narrow);
retval = getpwnam_r(unam_narrow, &userinfo, buf, sizeof(buf), &result);
}
if (pw && pw->pw_dir) {
const wcstring dir = str2wcstring(pw->pw_dir);
if (!retval && result && userinfo.pw_dir) {
const wcstring dir = str2wcstring(userinfo.pw_dir);
env_set(L"HOME", dir.c_str(), ENV_GLOBAL | ENV_EXPORT);
}
free(unam_narrow);

9
src/expand.cpp
View file

@ -1178,11 +1178,14 @@ static void expand_home_directory(wcstring &input) {
} else {
// Some other users home directory.
std::string name_cstr = wcs2string(username);
struct passwd *userinfo = getpwnam(name_cstr.c_str());
if (userinfo == NULL) {
struct passwd userinfo;
struct passwd *result;
char buf[8192];
int retval = getpwnam_r(name_cstr.c_str(), &userinfo, buf, sizeof(buf), &result);
if (retval || !result) {
tilde_error = true;
} else {
home = str2wcstring(userinfo->pw_dir);
home = str2wcstring(userinfo.pw_dir);
}
}