Merge branch 'sunweaver-pr/travis-ci'HEADmaster

Attributes GH PR #3: https://github.com/ArcticaProject/libpam-x2go/pull/3

5 files changed, 196 insertions, 30 deletions

diff --git a/.build.yml b/.build.yml
new file mode 100644
index 0000000..8ee4cb8
--- /dev/null
+++ b/.build.yml
@@ -0,0 +1,107 @@
+#########################################################
+# THE FOLLOWING LINES IS USED BY docker-build
+##########################################################
+requires:
+  archlinux:
+    # Useful URL: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=libpam-x2go
+    - clang
+    - gcc
+    - git
+    - make
+    - startup-notification
+    - which
+    # FIXME: add missing build-dependencies
+
+  debian:
+    # Useful URL: https://salsa.debian.org/debian-remote-team/libpam-x2go
+    - autopoint
+    - clang
+    - clang-tools
+    - g++
+    - cppcheck
+    - git
+    - make
+    - libtool
+    - libssh-dev
+    - libgtest-dev
+    - libpam0g-dev
+    - pkg-config
+
+  ubuntu:
+    - autopoint
+    - clang
+    - clang-tools
+    - g++
+    - git
+    - make
+    - libtool
+    - libssh-dev
+    - libgtest-dev
+    - libpam0g-dev
+    - pkg-config
+
+variables:
+  - 'CHECKERS="
+    -enable-checker deadcode.DeadStores
+    -enable-checker alpha.deadcode.UnreachableCode
+    -enable-checker alpha.core.CastSize
+    -enable-checker alpha.core.CastToStruct
+    -enable-checker alpha.core.IdenticalExpr
+    -enable-checker alpha.core.SizeofPtr
+    -enable-checker alpha.security.ArrayBoundV2
+    -enable-checker alpha.security.MallocOverflow
+    -enable-checker alpha.security.ReturnPtrRange
+    -enable-checker alpha.unix.SimpleStream
+    -enable-checker alpha.unix.cstring.BufferOverlap
+    -enable-checker alpha.unix.cstring.NotNullTerminated
+    -enable-checker alpha.unix.cstring.OutOfBounds
+    -enable-checker alpha.core.FixedAddr
+    -enable-checker security.insecureAPI.strcpy"'
+
+build_scripts:
+  - if [ ${DISTRO_NAME} == "debian" ];then
+  -     export CFLAGS+=" -Wsign-compare -Wunused-parameter"
+  -     cppcheck --enable=warning,style,performance,portability,information,missingInclude .
+  - fi
+  -
+  - if [ -e ./autogen.sh ]; then
+  -     NOCONFIGURE=1 ./autogen.sh
+  -     scan-build $CHECKERS ./configure --prefix=/usr --enable-gtk-doc --enable-compile-warnings=maximum
+  - elif [ -e ./CMakeLists.txt ]; then
+  -     if [ ${DISTRO_NAME} == "debian" ];then
+  -         scan-build $CHECKERS cmake . -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_TESTS=ON
+  -     else
+  -         scan-build $CHECKERS cmake . -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_VERBOSE_MAKEFILE=ON
+  -     fi
+  - elif [ -e ./configure.ac ]; then
+  -     autoreconf -vfi
+  -     scan-build $CHECKERS ./configure --prefix=/usr --enable-gtk-doc --enable-compile-warnings=maximum
+  - else
+  -     exit 1
+  - fi
+  -
+  - if [ $CPU_COUNT -gt 1 ]; then
+  -     if [ ${DISTRO_NAME} == "debian" ];then
+  -         scan-build $CHECKERS --keep-cc --use-cc=clang --use-c++=clang++ -o html-report make -j $CPU_COUNT
+  -         make clean
+  -     fi
+  -     scan-build $CHECKERS --keep-cc -o html-report make -j $CPU_COUNT
+  - else
+  -     if [ ${DISTRO_NAME} == "debian" ];then
+  -         scan-build $CHECKERS --keep-cc --use-cc=clang --use-c++=clang++ -o html-report make
+  -         make clean
+  -     fi
+  -     scan-build $CHECKERS --keep-cc -o html-report make
+  - fi
+
+after_scripts:
+  - if [ ${BUILD_TYPE} == "scripts" ];then
+  -     XVFB_RUN="$(which xvfb-run || true)"
+  -     if [ ${DISTRO_NAME} == "debian" ];then
+  -         if [ -e ./autogen.sh ] || [ -e ./configure.ac ]; then
+  -             ${XVFB_RUN} make check
+  -         elif [ -e ./CMakeLists.txt ]; then
+  -             ${XVFB_RUN} env CTEST_OUTPUT_ON_FAILURE=1 make test
+  -         fi
+  -     fi
+  - fi
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..6ebac89
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,43 @@
+# vim: set ts=2 sts=2 sw=2 expandtab :
+dist: bionic
+language: shell
+os: linux
+
+arch:
+  - amd64
+  - ppc64le
+
+services:
+  - docker
+
+addons:
+  apt:
+    packages:
+      - python3-pip
+      - python3-setuptools
+
+before_install:
+  # let's use the Ayatana Indicators project's docker build script...
+  - curl -Ls -o docker-build https://github.com/AyatanaIndicators/ayatana-dev-scripts/raw/master/travis/docker-build
+  - chmod +x docker-build
+
+install:
+  - pip3 install wheel
+  - pip3 install PyGithub
+  - ./docker-build --name ${DISTRO} --config .build.yml --install
+
+script:
+  - ./docker-build --name ${DISTRO} --verbose --config .build.yml --build scripts
+
+env:
+# temp disable of archlinux builds, see https://gitlab.archlinux.org/archlinux/archlinux-docker/-/issues/56
+#  - DISTRO="archlinux:latest"
+  - DISTRO="debian:testing"
+  - DISTRO="debian:stable"
+#  - DISTRO="ubuntu:rolling"
+  - DISTRO="ubuntu:focal"
+
+jobs:
+  exclude:
+    - env: DISTRO="archlinux:latest"
+      arch: ppc64le
diff --git a/src/pam-x2go.c b/src/pam-x2go.c
index f9ae42b..ab627ac 100644
--- a/src/pam-x2go.c
+++ b/src/pam-x2go.c
@@ -225,7 +225,7 @@ get_item (pam_handle_t * pamh, int type)
 /* Authenticate.  We need to make sure we have a user account, that
    there are remote accounts and then verify them with X2Go */
 PAM_EXTERN int
-pam_sm_authenticate (pam_handle_t *pamh, int flags, int argc, const char **argv)
+pam_sm_authenticate (pam_handle_t *pamh, int __attribute__((unused)) flags, int __attribute__((unused)) argc, const char __attribute__((unused)) **argv)
 {
 	char * username = NULL;
 	char * password = NULL;
@@ -290,7 +290,7 @@ pid_t session_pid = 0;
    give the credentials to the session itself so that it can startup the
    PyHoca (X2Go) client for the login */
 PAM_EXTERN int
-pam_sm_open_session (pam_handle_t *pamh, int flags, int argc, const char ** argv)
+pam_sm_open_session (pam_handle_t *pamh, int __attribute__((unused)) flags, int __attribute__((unused)) argc, const char __attribute__((unused)) **argv)
 {
 	char * username = NULL;
 	char * password = NULL;
@@ -357,7 +357,7 @@ done:
 /* Close Session.  Make sure our little guy has died so he doesn't become
    a zombie and eat things. */
 PAM_EXTERN int
-pam_sm_close_session (pam_handle_t *pamh, int flags, int argc, const char **argv)
+pam_sm_close_session (pam_handle_t *pamh, int __attribute__((unused)) flags, int __attribute__((unused)) argc, const char __attribute__((unused)) **argv)
 {
 	if (session_pid == 0) {
 		return PAM_IGNORE;
@@ -437,7 +437,7 @@ unpriveleged_kill (struct passwd * pwdent)
 /* LightDM likes to have this function around, but we don't need it as we
    don't have a token hanging around. */
 PAM_EXTERN int
-pam_sm_setcred (pam_handle_t *pamh, int flags, int argc, const char ** argv)
+pam_sm_setcred (pam_handle_t __attribute__((unused)) *pamh, int __attribute__((unused)) flags, int __attribute__((unused)) argc, const char __attribute__((unused)) **argv)
 {
 	return PAM_SUCCESS;
 }
diff --git a/tests/mock_guest.c b/tests/mock_guest.c
index 316e851..6bdfc6f 100644
--- a/tests/mock_guest.c
+++ b/tests/mock_guest.c
@@ -24,42 +24,48 @@ static struct passwd guest = { "guest",
 							   "/tmp",
 							   "/bin/true" };
 struct passwd *
-getpwnam (const char *username)
+getpwnam (const char __attribute__((unused)) *username)
 { return &guest; }
 
 int
-setgroups(size_t size, const gid_t *list)
+setgroups(size_t __attribute__((unused)) size,
+          const __attribute__((unused)) gid_t  *list)
 {
 	errno = EPERM;
 	return -1;
 }
 
 int
-setgid(gid_t gid)
+setgid(gid_t __attribute__((unused)) gid)
 { return 0; }
 
 int
-setuid(uid_t uid)
+setuid(uid_t  __attribute__((unused)) uid)
 { return 0; }
 
 int
-setegid(gid_t gid)
+setegid(gid_t __attribute__((unused)) gid)
 { return 0; }
 
 int
-seteuid(uid_t uid)
+seteuid(uid_t __attribute__((unused)) uid)
 { return 0; }
 
-int chmod(const char *path, mode_t mode)
+int chmod(const char __attribute__((unused)) *path,
+          mode_t __attribute__((unused)) mode)
 { return 0; }
 
-int chown(const char *path, uid_t owner, gid_t group)
+int chown(const char __attribute__((unused)) *path,
+          uid_t __attribute__((unused)) owner,
+          gid_t __attribute__((unused)) group)
 { return 0; }
 
-int execvp(const char *file, char *const argv[])
+int execvp(const char __attribute__((unused)) *file,
+           char __attribute__((unused)) *const argv[])
 {
 	return 0;
 }
+
 /* wrap _exit, to make sure the gcov_exit function installed with atexit()
    is really called to collect coverage statistics */
 void _exit (int exitcode)
@@ -86,7 +92,7 @@ socket_sucker ()
 
 	serv_addr.sun_family = AF_UNIX;
 
-	int printsize = snprintf(serv_addr.sun_path, sizeof(serv_addr.sun_path) - 1, "%s/%s", home, ".x2go-socket");
+	long unsigned int printsize = (long unsigned int)snprintf(serv_addr.sun_path, sizeof(serv_addr.sun_path) - 1, "%s/%s", home, ".x2go-socket");
 	if (printsize > sizeof(serv_addr.sun_path) - 1 || printsize < 0) {
 		return -1;
 	}
diff --git a/tests/mock_pam.c b/tests/mock_pam.c
index 9111092..21fdde3 100644
--- a/tests/mock_pam.c
+++ b/tests/mock_pam.c
@@ -21,29 +21,34 @@ struct pam_handle {
 	/* note: the other fields have been omitted */
 };
 
-int fake_conv (int num_msg, const struct pam_message **msg,
-				struct pam_response **resp, void *appdata_ptr)
+int fake_conv (int __attribute__((unused)) num_msg,
+               const struct pam_message **msg,
+               struct pam_response **resp,
+               void __attribute__((unused)) *appdata_ptr)
 {
 	struct pam_response *response = NULL;
 	response = malloc (sizeof (struct pam_response));
 
-	if (response == NULL)
+	if (response == NULL) {
 		return PAM_BUF_ERR;
+	}
 
 	response->resp_retcode = 0;
 
-	if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_GUESTLOGIN) == 0)
+	if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_GUESTLOGIN) == 0) {
 		response->resp = strdup ("guest"); /* IMPORTANT: this needs to be in /etc/passwd */
-	else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_USER) == 0)
+	} else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_USER) == 0) {
 		response->resp = strdup ("ruser");
-	else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_HOST) == 0)
+	} else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_HOST) == 0) {
 		response->resp = strdup ("protocol://rhost/dummy");
-	else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_PASSWORD) == 0)
+	} else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_PASSWORD) == 0) {
 		response->resp = strdup ("password");
-	else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_COMMAND) == 0)
+	} else if (strcmp((*msg)->msg, PAM_X2GO_PROMPT_COMMAND) == 0) {
 		response->resp = strdup ("rcommand");
-	else
+	} else {
+		free(response);
 		return PAM_SYMBOL_ERR; /* leaks... */
+	}
 
 	*resp = response;
 
@@ -66,23 +71,26 @@ pam_handle_t *pam_handle_new (void)
 
 int PAM_NONNULL((1)) pam_get_item (const pam_handle_t *pamh, int type, const void **value)
 {
-	if (pamh == NULL)
+	if (pamh == NULL) {
 		return PAM_SYSTEM_ERR;
+	}
 
-	if (type == PAM_CONV)
+	if (type == PAM_CONV) {
 		*value = pamh->conv;
-	else  if (pamh->item[type] != NULL)
+	} else  if (pamh->item[type] != NULL) {
 		*value = pamh->item[type];
-	else
+	} else {
 		*value = NULL; /* will result in a prompt conversation */
+	}
 
 	return PAM_SUCCESS;
 }
 
 int PAM_NONNULL((1)) pam_set_item (pam_handle_t *pamh, int type, const void *value)
 {
-	if (pamh == NULL)
+	if (pamh == NULL) {
 		return PAM_SYSTEM_ERR;
+	}
 
 	void **slot, *tmp;
 	size_t nsize, osize;
@@ -90,10 +98,12 @@ int PAM_NONNULL((1)) pam_set_item (pam_handle_t *pamh, int type, const void *val
 	slot = &pamh->item[type];
 	osize = nsize = 0;
 
-	if (*slot != NULL)
+	if (*slot != NULL) {
 		osize = strlen((const char *)*slot) + 1;
-	if (value != NULL)
+	}
+	if (value != NULL) {
 		nsize = strlen((const char *)value) + 1;
+	}
 
 	if (*slot != NULL) {
 		memset(*slot, 0xd0, osize);