first commit

base/libssh/0.7.4/Dockerfile

@@ -0,0 +1,38 @@
+FROM buildpack-deps:stretch-scm
+
+LABEL maintainer="phithon <root@leavesongs.com>"
+
+RUN set -ex \
+    && BUILDDEP="gcc g++ make pkg-config cmake xz-utils" \
+    && apt-get update \
+    && apt-get install --no-install-recommends -y \
+        ca-certificates \
+        wget \
+        libc6-dev \
+        zlib1g-dev \
+        libgcrypt20-dev \
+        libgpg-error-dev \
+        libkrb5-dev \
+        $BUILDDEP \
+    && wget -qO- https://www.libssh.org/files/0.7/libssh-0.7.4.tar.xz \
+        | xz -c -d | tar x -C /usr/src --strip-components=1 \
+    && mkdir -p /usr/src/build \
+    && cd /usr/src/build \
+    && cmake \
+        -DCMAKE_INSTALL_PREFIX=/usr \
+        -DWITH_SERVER=ON \
+        -DWITH_STATIC_LIB=ON \
+        -DWITH_GSSAPI=ON \
+        -DWITH_GCRYPT=ON \
+        -DWITH_SFTP=ON \
+        -DWITH_EXAMPLES=ON \
+        -DWITH_NACL=OFF \
+        -DGSSAPI_LIBRARIES=/usr/lib/x86_64-linux-gnu \
+        -DGSSAPI_INCLUDE_DIR=/usr \
+        .. \
+    && make && make install \
+    && apt-get purge -y --auto-remove $BUILDDEP
+
+CMD [ "/usr/src/build/examples/samplesshd-cb" ]
+
+

base/libssh/0.8.1/Dockerfile

@@ -0,0 +1,39 @@
+FROM buildpack-deps:stretch-scm
+
+LABEL maintainer="phithon <root@leavesongs.com>"
+
+COPY ssh_server_fork.patch /ssh_server_fork.patch
+
+RUN set -ex \
+    && BUILDDEP="gcc g++ make pkg-config cmake xz-utils patch" \
+    && apt-get update \
+    && apt-get install --no-install-recommends -y \
+        ca-certificates \
+        wget \
+        libc6-dev \
+        zlib1g-dev \
+        libgcrypt20-dev \
+        libgpg-error-dev \
+        $BUILDDEP \
+    && wget -qO- https://www.libssh.org/files/0.8/libssh-0.8.1.tar.xz \
+        | xz -c -d | tar x -C /usr/src --strip-components=1 \
+    && mkdir -p /usr/src/build \
+    && patch /usr/src/examples/ssh_server_fork.c < /ssh_server_fork.patch \
+    && cd /usr/src/build \
+    && cmake \
+        -DCMAKE_INSTALL_PREFIX=/usr \
+        -DWITH_SERVER=ON \
+        -DWITH_STATIC_LIB=ON \
+        -DWITH_GSSAPI=ON \
+        -DWITH_GCRYPT=ON \
+        -DWITH_SFTP=ON \
+        -DWITH_THREADS=ON \
+        .. \
+    && make && make install \
+    && apt-get purge -y --auto-remove $BUILDDEP
+
+RUN ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -q -N "" \
+    && ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -q -N "" \
+    && ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -q -N ""
+
+CMD /usr/src/build/examples/ssh_server_fork --hostkey=/etc/ssh/ssh_host_rsa_key --ecdsakey=/etc/ssh/ssh_host_ecdsa_key --dsakey=/etc/ssh/ssh_host_dsa_key --rsakey=/etc/ssh/ssh_host_rsa_key -p 22 0.0.0.0

base/libssh/0.8.1/ssh_server_fork.patch

@@ -0,0 +1,11 @@
+--- ssh_server_fork.c	2018-08-10 17:06:03.000000000 +0800
++++ ssh_server_fork_patch.c	2018-10-19 13:44:07.000000000 +0800
+@@ -531,7 +531,7 @@
+     ssh_event_add_session(event, session);
+ 
+     n = 0;
+-    while (sdata.authenticated == 0 || sdata.channel == NULL) {
++    while (sdata.channel == NULL) {
+         /* If the user has used up all attempts, or if he hasn't been able to
+          * authenticate in 10 seconds (n * 100ms), disconnect. */
+         if (sdata.auth_attempts >= 3 || n >= 100) {