sanchayanmaity/st
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Do not set SHELL to utmp ever

Browse source 
SHELL must be set to the SHELL of the user, but it was possible set
it to utmp.
This commit is contained in:
Roberto E. Vargas Caballero 2014-10-15 19:42:20 +02:00
parent 86633ada91
commit f9fb620914
1 changed files with 11 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
st.c
View file

@ -1146,7 +1146,7 @@ die(const char *errstr, ...) {
void
execsh(void) {
char **args, *sh;
char **args, *sh, *prog;
const struct passwd *pw;
char buf[sizeof(long) * 8 + 1];
@ -1158,13 +1158,15 @@ execsh(void) {
die("who are you?\n");
}
if (utmp)
sh = utmp;
else if (pw->pw_shell[0])
sh = pw->pw_shell;
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
if(opt_cmd)
prog = opt_cmd[0];
else if(utmp)
prog = utmp;
else
sh = shell;
args = (opt_cmd) ? opt_cmd : (char *[]){sh, NULL};
prog = sh;
args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
snprintf(buf, sizeof(buf), "%lu", xw.win);
unsetenv("COLUMNS");
@ -1172,7 +1174,7 @@ execsh(void) {
unsetenv("TERMCAP");
setenv("LOGNAME", pw->pw_name, 1);
setenv("USER", pw->pw_name, 1);
setenv("SHELL", args[0], 1);
setenv("SHELL", sh, 1);
setenv("HOME", pw->pw_dir, 1);
setenv("TERM", termname, 1);
setenv("WINDOWID", buf, 1);
@ -1184,7 +1186,7 @@ execsh(void) {
signal(SIGTERM, SIG_DFL);
signal(SIGALRM, SIG_DFL);
execvp(args[0], args);
execvp(prog, args);
exit(EXIT_FAILURE);
}