Re: utelnetd
From: <tomas@tuxteam.de>
Date: Sun, 10 Nov 2024 17:30:42 +0100
> But perhaps Make is right and utelnetd is built and ready to go?
>
> What evidence would you have that it is not so?
# ls -ld /usr/local/bin/u*
ls: cannot access '/usr/local/bin/u*': No such file or directory
# cd /usr
# find . -type f -name "utelnetd"
#
> Perhaps you need a "make clean" before, to force Make to actually
> do its thing? Missing that target, you might want to remove utelned,
> and perhaps utelnetd.o.
# make clean
PROGS: utelnetd
rm -f utelnetd *.o core
Now make gives a flock of complaints. See below. Eg. grantpt vs.
getpt.
The problem is Debian differing from the system where where the
developer worked? I need to change some names?
Thanks, ... P.
# make DEBUG=1 -f ./Makefile
PROGS: utelnetd
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -DDEBUG -g -Os -c -o utelnetd.o utelnetd.c
utelnetd.c: In function â??getptyâ??:
utelnetd.c:232:13: warning: implicit declaration of function â??grantptâ??; did you mean â??getptâ??? [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~
| getpt
utelnetd.c:232:29: warning: implicit declaration of function â??unlockptâ?? [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~~
utelnetd.c:237:44: warning: implicit declaration of function â??ptsnameâ??; did you mean â??ptsname_râ??? [-Wimplicit-function-declaration]
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ^~~~~~~
utelnetd.c:112:40: note: in definition of macro â??DEBUG_OUTâ??
112 | #define DEBUG_OUT(...) fprintf(stderr, __VA_ARGS__)
| ^~~~~~~~~~~
utelnetd.c:237:19: warning: format â??%sâ?? expects argument of type â??char *â??, but argument 3 has type â??intâ?? [-Wformat=]
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ^~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~
| |
| int
utelnetd.c:112:40: note: in definition of macro â??DEBUG_OUTâ??
112 | #define DEBUG_OUT(...) fprintf(stderr, __VA_ARGS__)
| ^~~~~~~~~~~
utelnetd.c:237:39: note: format string is defined here
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ~^
| |
| char *
| %d
utelnetd.c:238:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
238 | strcpy(line, (const char*)ptsname(p));
| ^
utelnetd.c: In function â??mainâ??:
utelnetd.c:561:7: warning: pointer targets in passing argument 3 of â??acceptâ?? differ in signedness [-Wpointer-sign]
561 | &salen)) < 0) {
| ^~~~~~
| |
| int *
In file included from utelnetd.c:45:
/usr/include/x86_64-linux-gnu/sys/socket.h:233:28: note: expected â??socklen_t * restrictâ?? {aka â??unsigned int * restrictâ??} but argument is of type â??int *â??
233 | socklen_t *__restrict __addr_len);
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
utelnetd.c:597:32: warning: pointer targets in passing argument 1 of â??remove_iacsâ?? differ in signedness [-Wpointer-sign]
597 | ptr = remove_iacs(ts->buf1 + ts->wridx1, maxlen,
| ~~~~~~~~~^~~~~~~~~~~~
| |
| char *
utelnetd.c:190:28: note: expected â??unsigned char *â?? but argument is of type â??char *â??
190 | remove_iacs(unsigned char *bf, int len, int *processed, int *num_totty) {
| ~~~~~~~~~~~~~~~^~
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -DDEBUG -g -Os utelnetd.o -o utelnetd
# --remove-section=.comment --remove-section=.note utelnetd
#
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