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No commits in common. "c8" and "c9-beta" have entirely different histories.
c8 ... c9-beta

4 changed files with 68 additions and 94 deletions

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@ -1,54 +0,0 @@
--- a/telnet/commands.c.old
+++ b/telnet/commands.c
@@ -2181,12 +2181,13 @@ cmdrc(char *m1, char *m2)
int gotmachine = 0;
int l1 = strlen(m1);
int l2 = strlen(m2);
- char m1save[MAXHOSTNAMELEN];
+ char m1save[MAXHOSTNAMELEN+1];
if (skiprc)
return;
strncpy(m1save, m1, sizeof(m1save));
+ m1save[MAXHOSTNAMELEN] = 0;
m1 = m1save;
if (rcname[0] == 0) {
@@ -2218,11 +2218,11 @@ cmdrc(char *m1, char *m2)
if (isspace(line[0]))
continue;
if (strncasecmp(line, m1, l1) == 0)
- strncpy(line, &line[l1], sizeof(line) - l1);
+ memmove(line, &line[l1], sizeof(line) - l1);
else if (strncasecmp(line, m2, l2) == 0)
- strncpy(line, &line[l2], sizeof(line) - l2);
+ memmove(line, &line[l2], sizeof(line) - l2);
else if (strncasecmp(line, "DEFAULT", 7) == 0)
- strncpy(line, &line[7], sizeof(line) - 7);
+ memmove(line, &line[7], sizeof(line) - 7);
else
continue;
if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
@@ -2345,6 +2345,7 @@ tn(int argc, char *argv[])
}
usage:
printf("usage: %s [-l user] [-a] host-name [port]\r\n", cmd);
+ free(user);
return 0;
}
if (hostp == 0)
--- a/telnetd/utility.c
+++ b/telnetd/utility.c
@@ -68,8 +68,10 @@ output_data(const char *format, ...)
char *buf;
va_start(args, format);
- if ((len = vasprintf(&buf, format, args)) == -1)
+ if ((len = vasprintf(&buf, format, args)) == -1) {
+ va_end(args);
return -1;
+ }
output_datalen(buf, len);
va_end(args);
free(buf);

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@ -0,0 +1,19 @@
diff --git a/telnet/commands.c b/telnet/commands.c
index 636fb5c..c0cc9b9 100644
--- a/telnet/commands.c
+++ b/telnet/commands.c
@@ -2217,11 +2217,11 @@ cmdrc(char *m1, char *m2)
if (isspace(line[0]))
continue;
if (strncasecmp(line, m1, l1) == 0)
- strncpy(line, &line[l1], sizeof(line) - l1);
+ memmove(line, &line[l1], sizeof(line) - l1);
else if (strncasecmp(line, m2, l2) == 0)
- strncpy(line, &line[l2], sizeof(line) - l2);
+ memmove(line, &line[l2], sizeof(line) - l2);
else if (strncasecmp(line, "DEFAULT", 7) == 0)
- strncpy(line, &line[7], sizeof(line) - 7);
+ memmove(line, &line[7], sizeof(line) - 7);
else
continue;
if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')

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@ -1,15 +0,0 @@
diff --git a/telnet/sys_bsd.c.old b/telnet/sys_bsd.c
index 9e05171..39845ac 100644
--- a/telnet/sys_bsd.c.old
+++ b/telnet/sys_bsd.c
@@ -833,6 +833,10 @@ NetSetPgrp(int fd)
void
deadpeer(int sig)
{
+ if(sig == SIGPIPE) {
+ signal(SIGPIPE, SIG_DFL);
+ fprintf(stderr, "Broken pipe\n");
+ }
(void)sig;
setcommandmode();
siglongjmp(peerdied, -1);

View File

@ -3,10 +3,9 @@
Summary: The client program for the Telnet remote login protocol
Name: telnet
Version: 0.17
Release: 76%{?dist}
Release: 85%{?dist}
Epoch: 1
License: BSD
Group: Applications/Internet
Source0: ftp://ftp.uk.linux.org/pub/linux/Networking/netkit/netkit-telnet-%{version}.tar.gz
Url: http://web.archive.org/web/20070819111735/www.hcs.harvard.edu/~dholland/computers/old-netkit.html
# telnet-client tarball is snapshot of the OpenBSD client telnet
@ -39,13 +38,13 @@ Patch27: telnet-0.17-force-ipv6-ipv4.patch
Patch28: netkit-telnet-0.17-core-dump.patch
Patch29: netkit-telnet-0.17-gcc7.patch
Patch30: netkit-telnet-0.17-manpage.patch
Patch31: netkit-telnet-0.17-covscan.patch
Patch31: netkit-telnet-0.17-telnetrc.patch
Patch32: telnet-log-address.patch
Patch33: telnet-0.17-overflow-exploit.patch
Patch34: telnet-0.17-pty-retry.patch
Patch35: telnet-0.17-sigpipe-segfault.patch
BuildRequires: ncurses-devel systemd
BuildRequires: make
BuildRequires: ncurses-devel systemd gcc gcc-c++
BuildRequires: perl-interpreter
%description
@ -57,7 +56,6 @@ Requires: systemd
Requires(post): systemd
Requires(preun): systemd
Requires(postun): systemd
Group: System Environment/Daemons
Summary: The server program for the Telnet remote login protocol
%description server
@ -98,11 +96,10 @@ mv telnet telnet-NETKIT
%patch28 -p1 -b .core-dump
%patch29 -p1 -b .gcc7
%patch30 -p1 -b .manpage
%patch31 -p1 -b .covscan
%patch31 -p1 -b .telnetrc
%patch32 -p1 -b .log-address
%patch33 -p1 -b .overflow
%patch34 -p1 -b .pty-retry
%patch35 -p1 -b .sigpipe
%build
%ifarch s390 s390x
@ -111,9 +108,9 @@ mv telnet telnet-NETKIT
export CC_FLAGS="$RPM_OPT_FLAGS -fpie"
%endif
export LD_FLAGS="$LD_FLAGS -z now -pie"
export LD_FLAGS="$RPM_LD_FLAGS -z now -pie"
sh configure --with-c-compiler=gcc
sh configure --with-c-compiler=%{__cc}
perl -pi -e '
s,-O2,\$(CC_FLAGS),;
s,LDFLAGS=.*,LDFLAGS=\$(LD_FLAGS),;
@ -129,20 +126,19 @@ perl -pi -e 's|install[ ]+-s|install|g' \
./telnetlogin/Makefile \
./telnet-NETKIT/Makefile
make %{?_smp_mflags}
%{make_build}
%install
mkdir -p ${RPM_BUILD_ROOT}%{_bindir}
mkdir -p ${RPM_BUILD_ROOT}%{_sbindir}
mkdir -p ${RPM_BUILD_ROOT}%{_unitdir}
mkdir -p ${RPM_BUILD_ROOT}%{_mandir}/man1
mkdir -p ${RPM_BUILD_ROOT}%{_mandir}/man5
mkdir -p ${RPM_BUILD_ROOT}%{_mandir}/man8
make INSTALLROOT=${RPM_BUILD_ROOT} install
install -p -m644 %SOURCE5 ${RPM_BUILD_ROOT}%{_unitdir}/telnet@.service
install -p -m644 %SOURCE6 ${RPM_BUILD_ROOT}%{_unitdir}/telnet.socket
install -D -p -m644 %SOURCE5 ${RPM_BUILD_ROOT}%{_unitdir}/telnet@.service
install -D -p -m644 %SOURCE6 ${RPM_BUILD_ROOT}%{_unitdir}/telnet.socket
%post server
%systemd_post telnet.socket
@ -155,12 +151,10 @@ install -p -m644 %SOURCE6 ${RPM_BUILD_ROOT}%{_unitdir}/telnet.socket
%files
%doc README
%defattr(-,root,root,-)
%{_bindir}/telnet
%{_mandir}/man1/telnet.1*
%files server
%defattr(-,root,root,-)
%{_unitdir}/*
%{_sbindir}/in.telnetd
%{_mandir}/man5/issue.net.5*
@ -168,18 +162,48 @@ install -p -m644 %SOURCE6 ${RPM_BUILD_ROOT}%{_unitdir}/telnet.socket
%{_mandir}/man8/telnetd.8*
%changelog
* Tue Dec 15 2020 Michal Ruprich <mruprich@redhat.com> - 1:0.17-76
- Resolves: #1895387 - telnet crashes on stack overflow due to infinite recursion
* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 1:0.17-85
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
Related: rhbz#1991688
* Tue Oct 27 2020 Michal Ruprich <mruprich@redhat.com> - 1:0.17-75
- Resolves: #1881335 - in.telnetd needs to tolerate temporary EIO errors
* Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 1:0.17-84
- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
* Thu Mar 26 2020 Michal Ruprich <michalruprich@gmail.com> - 1:0.17-74
- Resolves: #1814474 - Arbitrary remote code execution in utility.c via short writes or urgent data
* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-83
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Thu Oct 04 2018 Michal Ruprich <mruprich@redhat.com> - 1:0.17-73
- Resolves: #1602711 - Please review important issues found by covscan
- Resolves: #1637085 - Option -i is missing in telnet in el8 but is available in el7
* Thu Nov 19 2020 Michal Ruprich <mruprich@redhat.com> - 1:0.17-82
- Changing LD_FLAGS to RPM_LD_FLAGS
- Use make_build macro and remove hard-coded gcc
- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
* Fri Sep 25 2020 Michal Ruprich <mruprich@redhat.com> - 1:0.17-81
- Resolves: #1882606 - in.telnetd needs to tolerate temporary EIO errors
* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-80
- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Fri Mar 27 2020 Michal Ruprich <mruprich@redhat.com> - 1:0.17-79
- Resolves: #1814478 - Arbitrary remote code execution in utility.c via short writes or urgent data
* Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-78
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-77
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-76
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Wed Oct 10 2018 Michal Ruprich <mruprich@redhat.com> - 1:0.17-75
- Adding -i option for disabling reverse DNS lookup
* Mon Jul 23 2018 Michal Ruprich <mruprich@redhat.com> - 1:0.17-74
- Resolves: #1606506 - telnet: FTBFS in Fedora rawhide
- Resolves: #1505954 - telnet failing to parse .telnetrc due to strncpy used on overlaping buffers
* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-73
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.17-72
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild