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Not using $HOME when we're root, because some sudos don't filter it out

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of the environment (which can lead to a root-owned .nano/ directory in
the invoking user's home directory).  This addresses Ubuntu bug #1471459.
(See https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1471459.)


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5580 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg 2016-01-22 16:10:36 +00:00
parent 0af2f9e55c
commit 3a3b1764af
2 changed files with 9 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,9 @@
2016-01-22 Benno Schulenberg <bensberg@justemail.net>
* src/utils.c (get_homedir): Don't use $HOME when we're root, because
some sudos don't filter it out of the environment (which can lead to
a root-owned .nano/ directory in the invoking user's home directory).
It fixes https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1471459.
2016-01-21 Benno Schulenberg <bensberg@justemail.net>
* src/prompt.c (get_prompt_string): Preserve the cursor position on
the statusbar when just toggling a setting or making an excursion to

4
src/utils.c
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@ -37,7 +37,9 @@ void get_homedir(void)
if (homedir == NULL) {
const char *homenv = getenv("HOME");
if (homenv == NULL) {
/* When HOME isn't set, or when we're root, get the home directory
* from the password file instead. */
if (homenv == NULL || geteuid() == 0) {
const struct passwd *userage = getpwuid(geteuid());
if (userage != NULL)