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Diffstat (limited to 'kms')
-rw-r--r--kms/client/kms_client.c35
-rw-r--r--kms/server/kms_server.c3
2 files changed, 36 insertions, 2 deletions
diff --git a/kms/client/kms_client.c b/kms/client/kms_client.c
index 018b25e..d7ddc78 100644
--- a/kms/client/kms_client.c
+++ b/kms/client/kms_client.c
@@ -13,7 +13,12 @@
#include <sys/wait.h>
#include <poll.h>
#include <sys/stat.h>
+#ifdef __linux__
#include <sys/capability.h>
+#endif
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+#endif
#define GSR_SOCKET_PAIR_LOCAL 0
#define GSR_SOCKET_PAIR_REMOTE 1
@@ -119,8 +124,11 @@ static int recv_msg_from_server(int server_pid, int server_fd, gsr_kms_response
/* We have to use $HOME because in flatpak there is no simple path that is accessible, read and write, that multiple flatpak instances can access */
static bool create_socket_path(char *output_path, size_t output_path_size) {
+ const bool inside_flatpak = getenv("FLATPAK_ID") != NULL;
const char *home = getenv("HOME");
- if(!home)
+ // Portable home with AppImage can cause the socket path to be longer than 108 characters (unix domain socket path max length).
+ // Using gsr-kms-socket in $HOME is only needed in flatpak, so use /tmp everywhere else instead.
+ if(!home || !inside_flatpak)
home = "/tmp";
char random_characters[11];
@@ -132,6 +140,7 @@ static bool create_socket_path(char *output_path, size_t output_path_size) {
return true;
}
+#ifdef __linux__
static bool readlink_realpath(const char *filepath, char *buffer) {
char symlinked_path[PATH_MAX];
ssize_t bytes_written = readlink(filepath, symlinked_path, sizeof(symlinked_path) - 1);
@@ -149,6 +158,7 @@ static bool readlink_realpath(const char *filepath, char *buffer) {
return true;
}
+#endif
static bool strcat_safe(char *str, int size, const char *str_to_add) {
const int str_len = strlen(str);
@@ -220,10 +230,24 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) {
}
char server_filepath[PATH_MAX];
+#ifdef __linux__
if(!readlink_realpath("/proc/self/exe", server_filepath)) {
fprintf(stderr, "gsr error: gsr_kms_client_init: failed to resolve /proc/self/exe\n");
return -1;
}
+
+#elif defined(__FreeBSD__)
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid() };
+ size_t size = PATH_MAX;
+
+ if (sysctl(mib, 4, server_filepath, &size, NULL, 0) != 0) {
+ fprintf(stderr, "gsr error: gsr_kms_client_init: failed to resolve pathname using sysctl\n");
+ return -1;
+ }
+
+#else
+#error "Implement it by yourself"
+#endif
file_get_directory(server_filepath);
if(!strcat_safe(server_filepath, sizeof(server_filepath), "/gsr-kms-server")) {
@@ -250,6 +274,7 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) {
if(geteuid() == 0) {
has_perm = true;
} else {
+#ifdef __linux__
cap_t kms_server_cap = cap_get_file(server_filepath);
if(kms_server_cap) {
cap_flag_value_t res = CAP_CLEAR;
@@ -267,6 +292,9 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) {
else
fprintf(stderr, "gsr info: gsr_kms_client_init: failed to get cap\n");
}
+#else
+ fprintf(stderr, "gsr info: gsr_kms_client_init: platform doesn't support cap\n");
+#endif
}
if(socketpair(AF_UNIX, SOCK_STREAM, 0, self->socket_pair) == -1) {
@@ -312,12 +340,14 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) {
const char *args[] = { "pkexec", server_filepath, self->initial_socket_path, card_path, NULL };
execvp(args[0], (char *const*)args);
}
- fprintf(stderr, "gsr error: gsr_kms_client_init: execvp failed, error: %s\n", strerror(errno));
+ fprintf(stderr, "gsr error: gsr_kms_client_init: failed to launch \"gsr-kms-server\", error: %s\n", strerror(errno));
_exit(127);
} else { /* parent */
self->kms_server_pid = pid;
}
+ // We need this dumb-shit retardation with unix domain socket and then replace it with socketpair because
+ // pkexec doesn't work with socketpair................
fprintf(stderr, "gsr info: gsr_kms_client_init: waiting for server to connect\n");
struct pollfd poll_fd = {
.fd = self->initial_socket_fd,
@@ -387,6 +417,7 @@ void cleanup_socket(gsr_kms_client *self, bool kill_server) {
if(kill_server && self->kms_server_pid > 0) {
kill(self->kms_server_pid, SIGKILL);
+ // TODO:
//int status;
//waitpid(self->kms_server_pid, &status, 0);
self->kms_server_pid = -1;
diff --git a/kms/server/kms_server.c b/kms/server/kms_server.c
index c585f24..070875b 100644
--- a/kms/server/kms_server.c
+++ b/kms/server/kms_server.c
@@ -8,6 +8,7 @@
#include <string.h>
#include <errno.h>
#include <stdlib.h>
+#include <locale.h>
#include <unistd.h>
#include <limits.h>
@@ -434,6 +435,8 @@ static double clock_get_monotonic_seconds(void) {
}
int main(int argc, char **argv) {
+ setlocale(LC_ALL, "C"); // Sigh... stupid C
+
int res = 0;
int socket_fd = 0;
gsr_drm drm;