95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <errno.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <fcntl.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <stdio.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <stdlib.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <string.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <sys/prctl.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <sys/socket.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <unistd.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <getopt.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "sd-daemon.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "signal-util.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-file.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journald-native.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "socket-util.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "build.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "macro.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "strv.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "fileio.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "conf-parser.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#ifdef HAVE_GNUTLS

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <gnutls/gnutls.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#endif

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-remote.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-remote-write.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#define REMOTE_JOURNAL_PATH "/var/log/journal/remote"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_url = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_getter = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_listen_raw = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_listen_http = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_listen_https = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char** arg_files = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int arg_compress = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int arg_seal = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int http_socket = -1, https_socket = -1;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char** arg_gnutls_log = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic JournalWriteSplitMode arg_split_mode = JOURNAL_WRITE_SPLIT_HOST;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char* arg_output = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char *arg_key = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char *arg_cert = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic char *arg_trust = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic bool arg_trust_all = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int spawn_child(const char* child, char** argv) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd[2];

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen pid_t parent_pid, child_pid;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (pipe(fd) < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(errno, "Failed to create pager pipe: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen parent_pid = getpid();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen child_pid = fork();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (child_pid < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -errno;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(errno, "Failed to fork: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen safe_close_pair(fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* In the child */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (child_pid == 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (void) reset_all_signal_handlers();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (void) reset_signal_mask();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = dup2(fd[1], STDOUT_FILENO);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(errno, "Failed to dup pipe to stdout: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _exit(EXIT_FAILURE);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen safe_close_pair(fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Make sure the child goes away when the parent dies */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _exit(EXIT_FAILURE);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Check whether our parent died before we were able

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (getppid() != parent_pid)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _exit(EXIT_SUCCESS);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen execvp(child, argv);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(errno, "Failed to exec child %s: %m", child);

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen _exit(EXIT_FAILURE);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = close(fd[1]);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_warning_errno(errno, "Failed to close write end of pipe: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return fd[0];

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int spawn_curl(const char* url) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char **argv = STRV_MAKE("curl",

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen "-HAccept: application/vnd.fdo.journal",

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen "--silent",

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen "--show-error",

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = spawn_child("curl", argv);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(errno, "Failed to spawn curl: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int spawn_getter(const char *getter, const char *url) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_strv_free_ char **words = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(getter);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = strv_split_quoted(&words, getter, 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to split getter option: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = strv_extend(&words, url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to create command line: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = spawn_child(words[0], words);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(errno, "Failed to spawn getter %s: %m", getter);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen return r;

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#define filename_escape(s) xescape((s), "/ ")

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int open_output(Writer *w, const char* host) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *_output = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *output;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen switch (arg_split_mode) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case JOURNAL_WRITE_SPLIT_NONE:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen output = arg_output ?: REMOTE_JOURNAL_PATH "/remote.journal";

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case JOURNAL_WRITE_SPLIT_HOST: {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *name;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(host);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

d171ed1c50ba64928b7fb30ee2ae729fdfe0826bThomas Hindoe Paaboel Andersen name = filename_escape(host);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!name)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = asprintf(&_output, "%s/remote-%s.journal",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen arg_output ?: REMOTE_JOURNAL_PATH,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen output = _output;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen default:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_not_reached("what?");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_open_reliably(output,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen O_RDWR|O_CREAT, 0640,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen arg_compress, arg_seal,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen &w->metrics,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen w->mmap,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen NULL, &w->journal);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to open output journal %s: %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen output);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Opened output file %s", w->journal->path);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int init_writer_hashmap(RemoteServer *s) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen static const struct hash_ops *hash_ops[] = {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen [JOURNAL_WRITE_SPLIT_NONE] = NULL,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen [JOURNAL_WRITE_SPLIT_HOST] = &string_hash_ops,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen };

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(arg_split_mode >= 0 && arg_split_mode < (int) ELEMENTSOF(hash_ops));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->writers = hashmap_new(hash_ops[arg_split_mode]);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!s->writers)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int get_writer(RemoteServer *s, const char *host,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Writer **writer) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const void *key;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_writer_unref_ Writer *w = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen switch(arg_split_mode) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case JOURNAL_WRITE_SPLIT_NONE:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen key = "one and only";

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case JOURNAL_WRITE_SPLIT_HOST:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(host);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen key = host;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen default:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_not_reached("what split mode?");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen w = hashmap_get(s->writers, key);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (w)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen writer_ref(w);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen w = writer_new(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!w)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen w->hashmap_key = strdup(key);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!w->hashmap_key)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = open_output(w, host);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = hashmap_put(s->writers, w->hashmap_key ?: key, w);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *writer = w;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen w = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic RemoteServer *server;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_raw_source_event(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint32_t revents,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_raw_source_until_block(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_blocking_source_event(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_raw_connection_event(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint32_t revents,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_http_event(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint32_t revents,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int get_source_for_fd(RemoteServer *s,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd, char *name, RemoteSource **source) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Writer *writer;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* This takes ownership of name, but only on success. */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = get_writer(s, name, &writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_warning_errno(r, "Failed to get writer for source %s: %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (s->sources[fd] == NULL) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->sources[fd] = source_new(fd, false, name, writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!s->sources[fd]) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen writer_unref(writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->active++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *source = s->sources[fd];

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int remove_source(RemoteServer *s, int fd) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen RemoteSource *source;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0 && fd < (ssize_t) s->sources_size);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen source = s->sources[fd];

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (source) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* this closes fd too */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen source_free(source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->sources[fd] = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->active--;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int add_source(RemoteServer *s, int fd, char* name, bool own_name) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen RemoteSource *source = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* This takes ownership of name, even on failure, if own_name is true. */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!own_name) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen name = strdup(name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!name)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = get_source_for_fd(s, fd, name, &source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to create source for fd:%d (%s): %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd, name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen free(name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_io(s->events, &source->event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen dispatch_raw_source_event, source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Add additional source for buffer processing. It will be

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_defer(s->events, &source->buffer_event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen dispatch_raw_source_until_block, source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen sd_event_source_set_enabled(source->buffer_event, SD_EVENT_OFF);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else if (r == -EPERM) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Falling back to sd_event_add_defer for fd:%d (%s)", fd, name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_defer(s->events, &source->event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen dispatch_blocking_source_event, source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen sd_event_source_set_enabled(source->event, SD_EVENT_ON);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to register event source for fd:%d: %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_source_set_description(source->event, name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to set source name for fd:%d: %m", fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 1; /* work to do */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen error:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen remove_source(s, fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int add_raw_socket(RemoteServer *s, int fd) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_close_ int fd_ = fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char name[sizeof("raw-socket-")-1 + DECIMAL_STR_MAX(int) + 1];

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_io(s->events, &s->listen_event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd, EPOLLIN,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen dispatch_raw_connection_event, s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen xsprintf(name, "raw-socket-%d", fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_source_set_description(s->listen_event, name);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd_ = -1;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->active ++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int setup_raw_socket(RemoteServer *s, const char *address) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (fd < 0)

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek return fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return add_raw_socket(s, fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int request_meta(void **connection_cls, int fd, char *hostname) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen RemoteSource *source;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Writer *writer;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(connection_cls);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (*connection_cls)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = get_writer(server, hostname, &writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_warning_errno(r, "Failed to get writer for source %s: %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen source = source_new(fd, true, hostname, writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!source) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen writer_unref(writer);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Added RemoteSource as connection metadata %p", source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *connection_cls = source;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic void request_meta_free(void *cls,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen struct MHD_Connection *connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void **connection_cls,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen enum MHD_RequestTerminationCode toe) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen RemoteSource *s;

805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn

805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn assert(connection_cls);

805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn s = *connection_cls;

805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn

805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn if (s) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Cleaning up connection metadata %p", s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen source_free(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *connection_cls = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int process_http_upload(

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek struct MHD_Connection *connection,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek const char *upload_data,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek size_t *upload_data_size,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek RemoteSource *source) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool finished = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen size_t remaining;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek assert(source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_trace("%s: connection %p, %zu bytes",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen __func__, connection, *upload_data_size);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek if (*upload_data_size) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_trace("Received %zu bytes", *upload_data_size);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = push_data(source, upload_data, *upload_data_size);

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond_oom(connection);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *upload_data_size = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen finished = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (true) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = process_source(source, arg_compress, arg_seal);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == -EAGAIN)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_warning("Failed to process data for connection %p", connection);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == -E2BIG)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respondf(connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_HTTP_REQUEST_ENTITY_TOO_LARGE,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Entry is too large, maximum is %u bytes.\n",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen DATA_SIZE_MAX);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respondf(connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_HTTP_UNPROCESSABLE_ENTITY,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Processing failed: %s.", strerror(-r));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!finished)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return MHD_YES;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* The upload is finished */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen remaining = source_non_empty(source);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (remaining > 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_warning("Premature EOFbyte. %zu bytes lost.", remaining);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respondf(connection, MHD_HTTP_EXPECTATION_FAILED,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Premature EOF. %zu bytes of trailing data not processed.",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen remaining);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK.\n");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen};

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int request_handler(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *cls,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen struct MHD_Connection *connection,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek const char *url,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek const char *method,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek const char *version,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek const char *upload_data,

b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek size_t *upload_data_size,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void **connection_cls) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *header;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r, code, fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *hostname = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(connection);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(connection_cls);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(method);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_trace("Handling a connection %s %s %s", method, url, version);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (*connection_cls)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return process_http_upload(connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen upload_data, upload_data_size,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *connection_cls);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!streq(method, "POST"))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Unsupported method.\n");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!streq(url, "/upload"))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_NOT_FOUND,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Not found.\n");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen header = MHD_lookup_connection_value(connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_HEADER_KIND, "Content-Type");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!header || !streq(header, "application/vnd.fdo.journal"))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Content-Type: application/vnd.fdo.journal"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen " is required.\n");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const union MHD_ConnectionInfo *ci;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen ci = MHD_get_connection_info(connection,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_CONNECTION_INFO_CONNECTION_FD);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!ci) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("MHD_get_connection_info failed: cannot get remote fd");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Cannot check remote address");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = ci->connect_fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (server->check_trust) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = check_permissions(connection, &code, &hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return code;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = getnameinfo_pretty(fd, &hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "Cannot check remote hostname");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = request_meta(connection_cls, fd, hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == -ENOMEM)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return respond_oom(connection);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen strerror(-r));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen hostname = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return MHD_YES;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int setup_microhttpd_server(RemoteServer *s,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *key,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *cert,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *trust) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen struct MHD_OptionItem opts[] = {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_LISTEN_SOCKET, fd},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_END},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_END},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_END},

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen { MHD_OPTION_END}};

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int opts_pos = 3;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int flags =

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_USE_DEBUG |

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_USE_PEDANTIC_CHECKS |

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_USE_EPOLL_LINUX_ONLY |

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_USE_DUAL_STACK;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const union MHD_DaemonInfo *info;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r, epoll_fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHDDaemonWrapper *d;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = fd_nonblock(fd, true);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (key) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(cert);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen opts[opts_pos++] = (struct MHD_OptionItem)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key};

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen opts[opts_pos++] = (struct MHD_OptionItem)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert};

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen flags |= MHD_USE_SSL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (trust)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen opts[opts_pos++] = (struct MHD_OptionItem)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust};

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen d = new(MHDDaemonWrapper, 1);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!d)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen d->fd = (uint64_t) fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen d->daemon = MHD_start_daemon(flags, 0,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen NULL, NULL,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen request_handler, NULL,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_OPTION_ARRAY, opts,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_OPTION_END);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!d->daemon) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Failed to start µhttp daemon");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EINVAL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen key ? "HTTPS" : "HTTP", fd, d);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!info) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("µhttp returned NULL daemon info");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EOPNOTSUPP;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen epoll_fd = info->listen_fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (epoll_fd < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("µhttp epoll fd is invalid");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EUCLEAN;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_io(s->events, &d->event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen epoll_fd, EPOLLIN,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen dispatch_http_event, d);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to add event callback: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_source_set_description(d->event, "epoll-fd");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to set source name: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = hashmap_ensure_allocated(&s->daemons, &uint64_hash_ops);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_oom();

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = hashmap_put(s->daemons, &d->fd, d);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error_errno(r, "Failed to add daemon to hashmap: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto error;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen s->active ++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenerror:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHD_stop_daemon(d->daemon);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen free(d->daemon);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen free(d);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int setup_microhttpd_socket(RemoteServer *s,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *address,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *key,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *cert,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *trust) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM | SOCK_CLOEXEC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (fd < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return setup_microhttpd_server(s, fd, key, cert, trust);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int dispatch_http_event(sd_event_source *event,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint32_t revents,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *userdata) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MHDDaemonWrapper *d = userdata;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(d);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = MHD_run(d->daemon);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == MHD_NO) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("MHD_run failed!");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen // XXX: unregister daemon

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EINVAL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 1; /* work to do */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int setup_signals(RemoteServer *s) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen sigset_t mask;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_se(sigemptyset(&mask) == 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen sigset_add_many(&mask, SIGINT, SIGTERM, -1);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int negative_fd(const char *spec) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Return a non-positive number as its inverse, -EINVAL otherwise. */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int fd, r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

855d111304114e922b34b6c4bc2a0b08766c2668Colin Ian King r = safe_atoi(spec, &fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (fd > 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EINVAL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int remoteserver_init(RemoteServer *s,

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt const char* key,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char* cert,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char* trust) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r, n, fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char **file;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if ((arg_listen_raw || arg_listen_http) && trust) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Option --trust makes all non-HTTPS connections untrusted.");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EINVAL;

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_event_default(&s->events);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to allocate event loop: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen setup_signals(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(server == NULL);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen server = s;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = init_writer_hashmap(s);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = sd_listen_fds(true);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (n < 0)

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Received %d descriptors", n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Received fewer sockets than expected");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADFD;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Received a listening socket (fd:%d)", fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (fd == http_socket)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = setup_microhttpd_server(s, fd, NULL, NULL, NULL);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else if (fd == https_socket)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = setup_microhttpd_server(s, fd, key, cert, trust);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = add_raw_socket(s, fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char *hostname;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = getnameinfo_pretty(fd, &hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to retrieve remote name: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Received a connection socket (fd:%d) from %s", fd, hostname);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = add_source(s, fd, hostname, true);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Unknown socket passed on fd:%d", fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EINVAL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return log_error_errno(r, "Failed to register socket (fd:%d): %m",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_url) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *url, *hostname;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen url = strjoina(arg_url, "/entries");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_getter) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_info("Spawning getter %s...", url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = spawn_getter(arg_getter, url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_info("Spawning curl %s...", url);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = spawn_curl(url);

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (fd < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return fd;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen hostname =

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen startswith(arg_url, "https://") ?:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen startswith(arg_url, "http://") ?:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen arg_url;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = add_source(s, fd, (char*) hostname, false);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_listen_raw) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Listening on a socket...");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = setup_raw_socket(s, arg_listen_raw);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_listen_http) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (arg_listen_https) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen STRV_FOREACH(file, arg_files) {

const char *output_name;

if (streq(*file, "-")) {

log_debug("Using standard input as source.");

fd = STDIN_FILENO;

output_name = "stdin";

} else {

log_debug("Reading file %s...", *file);

fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);

if (fd < 0)

return log_error_errno(errno, "Failed to open %s: %m", *file);

output_name = *file;

}

r = add_source(s, fd, (char*) output_name, false);

if (r < 0)

return r;

}

if (s->active == 0) {

log_error("Zarro sources specified");

return -EINVAL;

}

if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) {

/* In this case we know what the writer will be

r = get_writer(s, NULL, &s->_single_writer);

if (r < 0)

return r;

}

return 0;

}

static void server_destroy(RemoteServer *s) {

size_t i;

MHDDaemonWrapper *d;

while ((d = hashmap_steal_first(s->daemons))) {

MHD_stop_daemon(d->daemon);

sd_event_source_unref(d->event);

free(d);

}

hashmap_free(s->daemons);

assert(s->sources_size == 0 || s->sources);

for (i = 0; i < s->sources_size; i++)

remove_source(s, i);

free(s->sources);

writer_unref(s->_single_writer);

hashmap_free(s->writers);

sd_event_source_unref(s->sigterm_event);

sd_event_source_unref(s->sigint_event);

sd_event_source_unref(s->listen_event);

sd_event_unref(s->events);

/* fds that we're listening on remain open... */

}

static int handle_raw_source(sd_event_source *event,

int fd,

uint32_t revents,

RemoteServer *s) {

RemoteSource *source;

int r;

/* Returns 1 if there might be more data pending,

assert(fd >= 0 && fd < (ssize_t) s->sources_size);

source = s->sources[fd];

assert(source->fd == fd);

r = process_source(source, arg_compress, arg_seal);

if (source->state == STATE_EOF) {

size_t remaining;

log_debug("EOF reached with source fd:%d (%s)",

source->fd, source->name);

remaining = source_non_empty(source);

if (remaining > 0)

log_notice("Premature EOF. %zu bytes lost.", remaining);

remove_source(s, source->fd);

log_debug("%zu active sources remaining", s->active);

return 0;

} else if (r == -E2BIG) {

log_notice_errno(E2BIG, "Entry too big, skipped");

return 1;

} else if (r == -EAGAIN) {

return 0;

} else if (r < 0) {

log_debug_errno(r, "Closing connection: %m");

remove_source(server, fd);

return 0;

} else

return 1;

}

static int dispatch_raw_source_until_block(sd_event_source *event,

void *userdata) {

RemoteSource *source = userdata;

int r;

/* Make sure event stays around even if source is destroyed */

sd_event_source_ref(event);

r = handle_raw_source(event, source->fd, EPOLLIN, server);

if (r != 1)

/* No more data for now */

sd_event_source_set_enabled(event, SD_EVENT_OFF);

sd_event_source_unref(event);

return r;

}

static int dispatch_raw_source_event(sd_event_source *event,

int fd,

uint32_t revents,

void *userdata) {

RemoteSource *source = userdata;

int r;

assert(source->event);

assert(source->buffer_event);

r = handle_raw_source(event, fd, EPOLLIN, server);

if (r == 1)

/* Might have more data. We need to rerun the handler

sd_event_source_set_enabled(source->buffer_event, SD_EVENT_ON);

return r;

}

static int dispatch_blocking_source_event(sd_event_source *event,

void *userdata) {

RemoteSource *source = userdata;

return handle_raw_source(event, source->fd, EPOLLIN, server);

}

static int accept_connection(const char* type, int fd,

SocketAddress *addr, char **hostname) {

int fd2, r;

log_debug("Accepting new %s connection on fd:%d", type, fd);

fd2 = accept4(fd, &addr->sockaddr.sa, &addr->size, SOCK_NONBLOCK|SOCK_CLOEXEC);

if (fd2 < 0)

return log_error_errno(errno, "accept() on fd:%d failed: %m", fd);

switch(socket_address_family(addr)) {

case AF_INET:

case AF_INET6: {

_cleanup_free_ char *a = NULL;

char *b;

r = socket_address_print(addr, &a);

if (r < 0) {

log_error_errno(r, "socket_address_print(): %m");

close(fd2);

return r;

}

r = socknameinfo_pretty(&addr->sockaddr, addr->size, &b);

if (r < 0) {

close(fd2);

return r;

}

log_debug("Accepted %s %s connection from %s",

type,

socket_address_family(addr) == AF_INET ? "IP" : "IPv6",

a);

*hostname = b;

return fd2;

};

default:

log_error("Rejected %s connection with unsupported family %d",

type, socket_address_family(addr));

close(fd2);

return -EINVAL;

}

}

static int dispatch_raw_connection_event(sd_event_source *event,

int fd,

uint32_t revents,

void *userdata) {

RemoteServer *s = userdata;

int fd2;

SocketAddress addr = {

.size = sizeof(union sockaddr_union),

.type = SOCK_STREAM,

};

char *hostname = NULL;

fd2 = accept_connection("raw", fd, &addr, &hostname);

if (fd2 < 0)

return fd2;

return add_source(s, fd2, hostname, true);

}

static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = {

[JOURNAL_WRITE_SPLIT_NONE] = "none",

[JOURNAL_WRITE_SPLIT_HOST] = "host",

};

DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode);

static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode,

journal_write_split_mode,

JournalWriteSplitMode,

"Failed to parse split mode setting");

static int parse_config(void) {

const ConfigTableItem items[] = {

{ "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode },

{ "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key },

{ "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert },

{ "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust },

{}};

return config_parse_many(PKGSYSCONFDIR "/journal-remote.conf",

CONF_DIRS_NULSTR("systemd/journal-remote.conf"),

"Remote\0", config_item_table_lookup, items,

false, NULL);

}

static void help(void) {

printf("%s [OPTIONS...] {FILE|-}...\n\n"

"Write external journal events to journal file(s).\n\n"

" -h --help Show this help\n"

" --version Show package version\n"

" --url=URL Read events from systemd-journal-gatewayd at URL\n"

" --getter=COMMAND Read events from the output of COMMAND\n"

" --listen-raw=ADDR Listen for connections at ADDR\n"

" --listen-http=ADDR Listen for HTTP connections at ADDR\n"

" --listen-https=ADDR Listen for HTTPS connections at ADDR\n"

" -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n"

" --compress[=BOOL] XZ-compress the output journal (default: yes)\n"

" --seal[=BOOL] Use event sealing (default: no)\n"

" --key=FILENAME SSL key in PEM format (default:\n"

" \"" PRIV_KEY_FILE "\")\n"

" --cert=FILENAME SSL certificate in PEM format (default:\n"

" \"" CERT_FILE "\")\n"

" --trust=FILENAME|all SSL CA certificate or disable checking (default:\n"

" \"" TRUST_FILE "\")\n"

" --gnutls-log=CATEGORY...\n"

" Specify a list of gnutls logging categories\n"

" --split-mode=none|host How many output files to create\n"

"\n"

"Note: file descriptors from sd_listen_fds() will be consumed, too.\n"

, program_invocation_short_name);

}

static int parse_argv(int argc, char *argv[]) {

enum {

ARG_VERSION = 0x100,

ARG_URL,

ARG_LISTEN_RAW,

ARG_LISTEN_HTTP,

ARG_LISTEN_HTTPS,

ARG_GETTER,

ARG_SPLIT_MODE,

ARG_COMPRESS,

ARG_SEAL,

ARG_KEY,

ARG_CERT,

ARG_TRUST,

ARG_GNUTLS_LOG,

};

static const struct option options[] = {

{ "help", no_argument, NULL, 'h' },

{ "version", no_argument, NULL, ARG_VERSION },

{ "url", required_argument, NULL, ARG_URL },

{ "getter", required_argument, NULL, ARG_GETTER },

{ "listen-raw", required_argument, NULL, ARG_LISTEN_RAW },

{ "listen-http", required_argument, NULL, ARG_LISTEN_HTTP },

{ "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS },

{ "output", required_argument, NULL, 'o' },

{ "split-mode", required_argument, NULL, ARG_SPLIT_MODE },

{ "compress", optional_argument, NULL, ARG_COMPRESS },

{ "seal", optional_argument, NULL, ARG_SEAL },

{ "key", required_argument, NULL, ARG_KEY },

{ "cert", required_argument, NULL, ARG_CERT },

{ "trust", required_argument, NULL, ARG_TRUST },

{ "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG },

{}

};

int c, r;

bool type_a, type_b;

assert(argc >= 0);

assert(argv);

while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0)

switch(c) {

case 'h':

help();

return 0 /* done */;

case ARG_VERSION:

puts(PACKAGE_STRING);

puts(SYSTEMD_FEATURES);

return 0 /* done */;

case ARG_URL:

if (arg_url) {

log_error("cannot currently set more than one --url");

return -EINVAL;

}

arg_url = optarg;

break;

case ARG_GETTER:

if (arg_getter) {

log_error("cannot currently use --getter more than once");

return -EINVAL;

}

arg_getter = optarg;

break;

case ARG_LISTEN_RAW:

if (arg_listen_raw) {

log_error("cannot currently use --listen-raw more than once");

return -EINVAL;

}

arg_listen_raw = optarg;

break;

case ARG_LISTEN_HTTP:

if (arg_listen_http || http_socket >= 0) {

log_error("cannot currently use --listen-http more than once");

return -EINVAL;

}

r = negative_fd(optarg);

if (r >= 0)

http_socket = r;

else

arg_listen_http = optarg;

break;

case ARG_LISTEN_HTTPS:

if (arg_listen_https || https_socket >= 0) {

log_error("cannot currently use --listen-https more than once");

return -EINVAL;

}

r = negative_fd(optarg);

if (r >= 0)

https_socket = r;

else

arg_listen_https = optarg;

break;

case ARG_KEY:

if (arg_key) {

log_error("Key file specified twice");

return -EINVAL;

}

arg_key = strdup(optarg);

if (!arg_key)

return log_oom();

break;

case ARG_CERT:

if (arg_cert) {

log_error("Certificate file specified twice");

return -EINVAL;

}

arg_cert = strdup(optarg);

if (!arg_cert)

return log_oom();

break;

case ARG_TRUST:

if (arg_trust || arg_trust_all) {

log_error("Confusing trusted CA configuration");

return -EINVAL;

}

if (streq(optarg, "all"))

arg_trust_all = true;

else {

#ifdef HAVE_GNUTLS

arg_trust = strdup(optarg);

if (!arg_trust)

return log_oom();

#else

log_error("Option --trust is not available.");

return -EINVAL;

#endif

}

break;

case 'o':

if (arg_output) {

log_error("cannot use --output/-o more than once");

return -EINVAL;

}

arg_output = optarg;

break;

case ARG_SPLIT_MODE:

arg_split_mode = journal_write_split_mode_from_string(optarg);

if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) {

log_error("Invalid split mode: %s", optarg);

return -EINVAL;

}

break;

case ARG_COMPRESS:

if (optarg) {

r = parse_boolean(optarg);