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[GH-ISSUE #10] Segmentation fault #5

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opened 2026-02-25 22:30:44 +03:00 by kerem · 5 comments
kerem commented 2026-02-25 22:30:44 +03:00
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Originally created by @gwstj on GitHub (Feb 5, 2016).
Original GitHub issue: https://github.com/evgeny-gridasov/openvpn-otp/issues/10

Hi,

I tried your code on Debian 8.3 and compiled 1864afd as follows:
./autogen.sh
./configure --prefix=/usr
make
sudo make install

I have used the following libraries:

  • libssl-dev:amd64 1.0.1k-3+deb8u2
  • libtool 2.4.2-1.11
  • openvpn 2.3.4-5+deb8u1

When starting openvpn it terminates with a segmentation fault:

# openvpn /etc/openvpn/default/local.conf
...
Fri Feb  5 20:16:12 2016 us=916315 OpenVPN 2.3.4 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Dec  1 2014
Fri Feb  5 20:16:12 2016 us=916357 library versions: OpenSSL 1.0.1k 8 Jan 2015, LZO 2.08 OTP-AUTH: otp_secrets=/etc/openvpn/default/otp-secrets
Segmentation fault

Openvpn has the following configuration:

plugin /usr/lib/openvpn/openvpn-otp.so otp_secrets=/etc/openvpn/otp-secrets

The otp-secrets file has:

ls -l /etc/openvpn/otp-secrets
-rwxrwxrwx 1 root root 54 Feb  5 20:29 /etc/openvpn/otp-secrets
cat /etc/openvpn/otp-secrets 
bob otp totp:sha1:base32:K7BYLIU5D2V33X6S:1234:xxx *

Any idea what's wrong here?

Thanks
Stefan

Originally created by @gwstj on GitHub (Feb 5, 2016). Original GitHub issue: https://github.com/evgeny-gridasov/openvpn-otp/issues/10 Hi, I tried your code on Debian 8.3 and compiled 1864afd as follows: ./autogen.sh ./configure --prefix=/usr make sudo make install I have used the following libraries: - libssl-dev:amd64 1.0.1k-3+deb8u2 - libtool 2.4.2-1.11 - openvpn 2.3.4-5+deb8u1 When starting openvpn it terminates with a segmentation fault: ``` # openvpn /etc/openvpn/default/local.conf ... Fri Feb 5 20:16:12 2016 us=916315 OpenVPN 2.3.4 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Dec 1 2014 Fri Feb 5 20:16:12 2016 us=916357 library versions: OpenSSL 1.0.1k 8 Jan 2015, LZO 2.08 OTP-AUTH: otp_secrets=/etc/openvpn/default/otp-secrets Segmentation fault ``` Openvpn has the following configuration: ``` plugin /usr/lib/openvpn/openvpn-otp.so otp_secrets=/etc/openvpn/otp-secrets ``` The otp-secrets file has: ``` ls -l /etc/openvpn/otp-secrets -rwxrwxrwx 1 root root 54 Feb 5 20:29 /etc/openvpn/otp-secrets cat /etc/openvpn/otp-secrets bob otp totp:sha1:base32:K7BYLIU5D2V33X6S:1234:xxx * ``` Any idea what's wrong here? Thanks Stefan
kerem closed this issue 2026-02-25 22:30:44 +03:00
kerem commented 2026-02-25 22:30:44 +03:00
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@evgeny-gridasov commented on GitHub (Feb 6, 2016):

Thanks for reporting. I'll have a look.
from the logs: OTP-AUTH: otp_secrets=/etc/openvpn/default/otp-secrets
Segmentation fault
Does /etc/openvpn/default/otp-secrets file exist? Or is it a symlink to /etc/openvpn/otp-secrets ?

<!-- gh-comment-id:180721474 --> @evgeny-gridasov commented on GitHub (Feb 6, 2016): Thanks for reporting. I'll have a look. from the logs: OTP-AUTH: otp_secrets=/etc/openvpn/default/otp-secrets Segmentation fault Does /etc/openvpn/default/otp-secrets file exist? Or is it a symlink to /etc/openvpn/otp-secrets ?
kerem commented 2026-02-25 22:30:44 +03:00
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@fabn commented on GitHub (Feb 6, 2016):

I wanted to try this library and I got the same identical issue.

$ openvpn local.conf
Sat Feb  6 14:22:15 2016 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Dec  1 2014
OTP-AUTH: otp_secrets=/etc/openvpn/otp-secrets
Segmentation fault

File /etc/openvpn/otp-secrets exists, it's a regular file with this content

# use sha1/base32 for Google Authenticator without a pin
john otp totp:sha1:base32:LJYHR64TUI7IL3RD::xxx *

Running on ubuntu 14.04 (in docker) plugin compiled from master branch right now.

<!-- gh-comment-id:180774534 --> @fabn commented on GitHub (Feb 6, 2016): I wanted to try this library and I got the same identical issue. ``` $ openvpn local.conf Sat Feb 6 14:22:15 2016 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Dec 1 2014 OTP-AUTH: otp_secrets=/etc/openvpn/otp-secrets Segmentation fault ``` File `/etc/openvpn/otp-secrets` exists, it's a regular file with this content ``` # use sha1/base32 for Google Authenticator without a pin john otp totp:sha1:base32:LJYHR64TUI7IL3RD::xxx * ``` Running on ubuntu 14.04 (in docker) plugin compiled from master branch right now.
kerem commented 2026-02-25 22:30:44 +03:00
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@evgeny-gridasov commented on GitHub (Feb 7, 2016):

Thanks for reporting it, I will fix it asap.
Meanwhile you may rollback to 0567fdda9a
until I fix it.

On Sun, Feb 7, 2016 at 1:28 AM, Fabio Napoleoni notifications@github.com
wrote:

I wanted to try this library and I got the same identical issue.

$ openvpn local.conf
Sat Feb 6 14:22:15 2016 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Dec 1 2014
OTP-AUTH: otp_secrets=/etc/openvpn/otp-secrets
Segmentation fault

File /etc/openvpn/otp-secrets exists, it's a regular file with this
content

use sha1/base32 for Google Authenticator without a pin

john otp totp:sha1:base32:LJYHR64TUI7IL3RD::xxx *

Running on ubuntu 14.04 (in docker) plugin compiled from master branch
right now.

—
Reply to this email directly or view it on GitHub
https://github.com/evgeny-gridasov/openvpn-otp/issues/10#issuecomment-180774534
.

<!-- gh-comment-id:180923003 --> @evgeny-gridasov commented on GitHub (Feb 7, 2016): Thanks for reporting it, I will fix it asap. Meanwhile you may rollback to 0567fdda9af5e0ea30ea56b91ba735ba86d2aa2d until I fix it. On Sun, Feb 7, 2016 at 1:28 AM, Fabio Napoleoni notifications@github.com wrote: > I wanted to try this library and I got the same identical issue. > > $ openvpn local.conf > Sat Feb 6 14:22:15 2016 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Dec 1 2014 > OTP-AUTH: otp_secrets=/etc/openvpn/otp-secrets > Segmentation fault > > File /etc/openvpn/otp-secrets exists, it's a regular file with this > content > > # use sha1/base32 for Google Authenticator without a pin > > john otp totp:sha1:base32:LJYHR64TUI7IL3RD::xxx * > > Running on ubuntu 14.04 (in docker) plugin compiled from master branch > right now. > > — > Reply to this email directly or view it on GitHub > https://github.com/evgeny-gridasov/openvpn-otp/issues/10#issuecomment-180774534 > .
kerem commented 2026-02-25 22:30:44 +03:00
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@evgeny-gridasov commented on GitHub (Feb 7, 2016):

Looks like it's been fixed in 1781f7acc1
Could please everyone confirm? I will test the fix tonight.

<!-- gh-comment-id:180923810 --> @evgeny-gridasov commented on GitHub (Feb 7, 2016): Looks like it's been fixed in 1781f7acc1ff9d6dcba2284e90992f4e303e5f80 Could please everyone confirm? I will test the fix tonight.
kerem commented 2026-02-25 22:30:44 +03:00
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@gwstj commented on GitHub (Feb 8, 2016):

I can confirm that it is fixed. Thanks you very much.

<!-- gh-comment-id:181368774 --> @gwstj commented on GitHub (Feb 8, 2016): I can confirm that it is fixed. Thanks you very much.
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