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Fix login(1) -p semantincs once and for all

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sin 2014-06-03 18:56:46 +01:00
parent d522589a11
commit 01fa8eec58
2 changed files with 6 additions and 7 deletions
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2
login.1
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@ -5,7 +5,7 @@
\fBlogin\fR [\fB-p\fR] \fIusername\fR \fBlogin\fR [\fB-p\fR] \fIusername\fR
.SH DESCRIPTION .SH DESCRIPTION
\fBlogin\fR logs the \fIusername\fR into the system. It sets \fBHOME\fR, \fBlogin\fR logs the \fIusername\fR into the system. It sets \fBHOME\fR,
\fBSHELL\fR, \fBUSER\fR, \fBLOGNAME\fR, \fBTERM\fR and the \fBPATH\fR environment \fBSHELL\fR, \fBUSER\fR, \fBLOGNAME\fR and the \fBPATH\fR environment
variables and invokes the login shell as specified in \fI/etc/passwd\fR. variables and invokes the login shell as specified in \fI/etc/passwd\fR.
.SH OPTIONS .SH OPTIONS
.TP .TP

11
login.c
View File

@ -113,12 +113,11 @@ dologin(struct passwd *pw, int preserve)
{ {
if (preserve == 0) if (preserve == 0)
clearenv(); clearenv();
setenv("HOME", pw->pw_dir, !preserve); setenv("HOME", pw->pw_dir, 1);
setenv("SHELL", pw->pw_shell, !preserve); setenv("SHELL", pw->pw_shell, 1);
setenv("USER", pw->pw_name, !preserve); setenv("USER", pw->pw_name, 1);
setenv("LOGNAME", pw->pw_name, !preserve); setenv("LOGNAME", pw->pw_name, 1);
setenv("TERM", "linux", !preserve); setenv("PATH", ENV_PATH, 1);
setenv("PATH", ENV_PATH, !preserve);
if (chdir(pw->pw_dir) < 0) if (chdir(pw->pw_dir) < 0)
eprintf("chdir %s:", pw->pw_dir); eprintf("chdir %s:", pw->pw_dir);
execlp(pw->pw_shell, pw->pw_shell, "-l", NULL); execlp(pw->pw_shell, pw->pw_shell, "-l", NULL);