suckless/ubase
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Setup a sane PATH across su(1)

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Also added a config.h for the basic configuration of ubase.
This commit is contained in:
sin 2013-10-19 19:07:30 +01:00
parent ab37391837
commit 5f3c183b85
3 changed files with 13 additions and 2 deletions
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2
Makefile
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@ -3,7 +3,7 @@ include config.mk
.POSIX:
.SUFFIXES: .c .o
HDR = arg.h grabmntinfo.h proc.h reboot.h util.h
HDR = arg.h config.h grabmntinfo.h proc.h reboot.h util.h
LIB = \
util/agetcwd.o \
util/apathmax.o \

4
config.h Normal file
View File

@ -0,0 +1,4 @@
/* See LICENSE file for copyright and license details. */
#define ENV_SUPATH "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
#define ENV_PATH "/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"

9
su.c
View File

@ -8,6 +8,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "util.h"
extern char **environ;
@ -112,6 +113,10 @@ main(int argc, char **argv)
setenv("LOGNAME", pw->pw_name, 1);
}
}
if (strcmp(pw->pw_name, "root") == 0)
setenv("PATH", ENV_SUPATH, 1);
else
setenv("PATH", ENV_PATH, 1);
execve(pflag ? getenv("SHELL") : pw->pw_shell,
newargv, environ);
}
@ -147,7 +152,9 @@ dologin(struct passwd *pw)
msetenv("USER", pw->pw_name),
msetenv("LOGNAME", pw->pw_name),
msetenv("TERM", getenv("TERM")),
msetenv("PATH", getenv("PATH")),
msetenv("PATH",
strcmp(pw->pw_name, "root") == 0 ?
ENV_SUPATH : ENV_PATH),
NULL
};
if (chdir(pw->pw_dir) < 0)