eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <errno.h>

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <fcntl.h>

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <inttypes.h>

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <stdio.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <stdlib.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <string.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/prctl.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/socket.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/stat.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/types.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <unistd.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <getopt.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "sd-daemon.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "sd-event.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "journal-file.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "journald-native.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "socket-util.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "mkdir.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "build.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "macro.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "strv.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "fileio.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "socket-util.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "microhttpd-util.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#ifdef HAVE_GNUTLS

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <gnutls/gnutls.h>

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#endif

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "journal-remote-parse.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "journal-remote-write.h"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#define REMOTE_JOURNAL_PATH "/var/log/journal/" SD_ID128_FORMAT_STR "/remote-%s.journal"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_output = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_url = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_getter = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_stdin = false;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_listen_raw = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_listen_http = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char* arg_listen_https = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int arg_compress = true;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int arg_seal = false;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersenstatic char *key_pem = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char *cert_pem = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char *trust_pem = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int spawn_child(const char* child, char** argv) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int fd[2];

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen pid_t parent_pid, child_pid;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen if (pipe(fd) < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to create pager pipe: %m");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return -errno;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek parent_pid = getpid();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek child_pid = fork();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (child_pid < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = -errno;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to fork: %m");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek close_pipe(fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

a22e1850c36e52cb9d593b99be59b6ba7639d80aLennart Poettering

a22e1850c36e52cb9d593b99be59b6ba7639d80aLennart Poettering /* In the child */

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (child_pid == 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = dup2(fd[1], STDOUT_FILENO);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to dup pipe to stdout: %m");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(EXIT_FAILURE);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = close_pipe(fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to close pipe fds: %m");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Make sure the child goes away when the parent dies */

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(EXIT_FAILURE);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen /* Check whether our parent died before we were able

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen if (getppid() != parent_pid)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(EXIT_SUCCESS);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek execvp(child, argv);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to exec child %s: %m", child);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(EXIT_FAILURE);

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen }

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = close(fd[1]);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to close write end of pipe: %m");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return fd[0];

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int spawn_curl(char* url) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char **argv = STRV_MAKE("curl",

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen "-HAccept: application/vnd.fdo.journal",

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen "--silent",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "--show-error",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = spawn_child("curl", argv);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen log_error("Failed to spawn curl: %m");

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen return r;

5256e00e8b9015dd1a976d647fc71dc7efbd8cf8Tom Gundersen}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int spawn_getter(char *getter, char *url) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char _cleanup_strv_free_ **words = NULL, **words2 = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(getter);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek words = strv_split_quoted(getter);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!words)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = spawn_child(words[0], words);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to spawn getter %s: %m", getter);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int open_output(Writer *s, const char* url) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char _cleanup_free_ *name, *output = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *c;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek name = strdup(url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!name)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for(c = name; *c; c++) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (*c == '/' || *c == ':' || *c == ' ')

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *c = '~';

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (*c == '?') {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *c = '\0';

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek break;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!arg_output) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sd_id128_t machine;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("failed to determine machine ID128: %s", strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = asprintf(&output, REMOTE_JOURNAL_PATH,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek SD_ID128_FORMAT_VAL(machine), name);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = is_dir(arg_output);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r > 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = asprintf(&output,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "%s/remote-%s.journal", arg_output, name);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek output = strdup(arg_output);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!output)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = journal_file_open_reliably(output,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek O_RDWR|O_CREAT, 0640,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_compress, arg_seal,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek &s->metrics,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek s->mmap,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek NULL, &s->journal);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to open output journal %s: %s",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_output, strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Opened output file %s", s->journal->path);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmektypedef struct MHDDaemonWrapper {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek uint64_t fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct MHD_Daemon *daemon;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sd_event_source *event;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek} MHDDaemonWrapper;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmektypedef struct RemoteServer {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek RemoteSource **sources;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ssize_t sources_size;

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek ssize_t active;

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek sd_event *events;

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek sd_event_source *sigterm_event, *sigint_event, *listen_event;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek Writer writer;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek Hashmap *daemons;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek} RemoteServer;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic RemoteServer *server;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int dispatch_raw_source_event(sd_event_source *event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int fd,

56fd6bf795926409b087bce406ea851ad89f9fe8Tom Gundersen uint32_t revents,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata);

d0d6a4cd70477970812bff0a37e70f66208d7c14Tom Gundersenstatic int dispatch_raw_connection_event(sd_event_source *event,

d0d6a4cd70477970812bff0a37e70f66208d7c14Tom Gundersen int fd,

d0d6a4cd70477970812bff0a37e70f66208d7c14Tom Gundersen uint32_t revents,

d0d6a4cd70477970812bff0a37e70f66208d7c14Tom Gundersen void *userdata);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int dispatch_http_event(sd_event_source *event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int fd,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek uint32_t revents,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int get_source_for_fd(RemoteServer *s, int fd, RemoteSource **source) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(fd >= 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(source);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!GREEDY_REALLOC0_T(s->sources, s->sources_size, fd + 1))

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen if (s->sources[fd] == NULL) {

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen s->sources[fd] = new0(RemoteSource, 1);

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen if (!s->sources[fd])

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen return log_oom();

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen s->sources[fd]->fd = -1;

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen s->active++;

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen }

113bfde15f9393fa8bc22cbd839c0bc64e733ee2Tom Gundersen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *source = s->sources[fd];

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int remove_source(RemoteServer *s, int fd) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek RemoteSource *source;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(fd >= 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(fd < s->sources_size);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek source = s->sources[fd];

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (source) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek source_free(source);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek s->sources[fd] = NULL;

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta s->active--;

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta }

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta close(fd);

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta return 0;

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta}

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rautastatic int add_source(RemoteServer *s, int fd, const char* name) {

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta RemoteSource *source = NULL;

0d4ad91dd4fc831c31a9775b0eadf97fea6cd7f6Alin Rauta char *realname;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(fd >= 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (name) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek realname = strdup(name);

3ba3a79df4ae094d1008c04a9af8d1ff970124c4Zbigniew Jędrzejewski-Szmek if (!realname)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = asprintf(&realname, "fd:%d", fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_debug("Creating source for fd:%d (%s)", fd, name);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = get_source_for_fd(s, fd, &source);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to create source for fd:%d (%s)", fd, name);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(source);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(source->fd < 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek source->fd = fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_event_add_io(s->events, &source->event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek fd, EPOLLIN, dispatch_raw_source_event, s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to register event source for fd:%d: %s",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek fd, strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

3ba3a79df4ae094d1008c04a9af8d1ff970124c4Zbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 1; /* work to do */

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek error:

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek remove_source(s, fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int setup_raw_socket(RemoteServer *s, const char *address) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int fd, r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

3ba3a79df4ae094d1008c04a9af8d1ff970124c4Zbigniew Jędrzejewski-Szmek fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (fd < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_event_add_io(s->events, &s->listen_event, fd, EPOLLIN,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek dispatch_raw_connection_event, s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek close(fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek s->active ++;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic RemoteSource *request_meta(void **connection_cls) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek RemoteSource *source;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(connection_cls);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (*connection_cls)

2972cba11712c3bfbe9fa07d1f3c3c4330127733Nick Owens return *connection_cls;

2972cba11712c3bfbe9fa07d1f3c3c4330127733Nick Owens

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering source = new0(RemoteSource, 1);

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering if (!source)

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering return NULL;

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering source->fd = -1;

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering log_debug("Added RemoteSource as connection metadata %p", source);

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering *connection_cls = source;

2972cba11712c3bfbe9fa07d1f3c3c4330127733Nick Owens return source;

2972cba11712c3bfbe9fa07d1f3c3c4330127733Nick Owens}

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering

e2bccc9d9974eb1290653ecfa3ccfd03c313842bDavid Herrmannstatic void request_meta_free(void *cls,

e2bccc9d9974eb1290653ecfa3ccfd03c313842bDavid Herrmann struct MHD_Connection *connection,

e2bccc9d9974eb1290653ecfa3ccfd03c313842bDavid Herrmann void **connection_cls,

505c5f6de1a5c0afb238a46db94fe3571902cc9dBenedikt Morbach enum MHD_RequestTerminationCode toe) {

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering RemoteSource *s;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(connection_cls);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek s = *connection_cls;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_debug("Cleaning up connection metadata %p", s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek source_free(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *connection_cls = NULL;

5c82dd13e1eef502afcef209a3b14a2100966909Benedikt Morbach}

4046d8361c55c80ab8577aea52523b9e6eab0d0cLennart Poettering

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int process_http_upload(

a46e37cb1225a36a33e8728005693e825cdbc01aSusant Sahani struct MHD_Connection *connection,

a46e37cb1225a36a33e8728005693e825cdbc01aSusant Sahani const char *upload_data,

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering size_t *upload_data_size,

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering RemoteSource *source) {

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering bool finished = false;

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering int r;

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering assert(source);

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering log_debug("request_handler_upload: connection %p, %zu bytes",

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering connection, *upload_data_size);

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering if (*upload_data_size) {

1f0d9695125bf8e66d0e53e37d454755a84899bbLennart Poettering log_info("Received %zu bytes", *upload_data_size);

a46e37cb1225a36a33e8728005693e825cdbc01aSusant Sahani

a46e37cb1225a36a33e8728005693e825cdbc01aSusant Sahani r = push_data(source, upload_data, *upload_data_size);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to store received data of size %zu: %s",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *upload_data_size, strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_oom_internal(connection);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *upload_data_size = 0;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek finished = true;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek while (true) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = process_source(source, &server->writer, arg_compress, arg_seal);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r == -E2BIG)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Entry too big, skipped");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (r == -EAGAIN || r == -EWOULDBLOCK)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek break;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to process data for connection %p", connection);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_UNPROCESSABLE_ENTITY,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Processing failed: %s", strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!finished)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return MHD_YES;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* The upload is finished */

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (source_non_empty(source)) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("EOF reached with incomplete data");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_EXPECTATION_FAILED,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Trailing data not processed.");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_ACCEPTED, "OK.\n");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek};

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int request_handler(

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *cls,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct MHD_Connection *connection,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *url,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *method,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *version,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *upload_data,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek size_t *upload_data_size,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void **connection_cls) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *header;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r ,code;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(connection);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(connection_cls);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(method);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_debug("Handling a connection %s %s %s", method, url, version);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (*connection_cls)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return process_http_upload(connection,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek upload_data, upload_data_size,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek *connection_cls);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!streq(method, "POST"))

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Unsupported method.\n");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!streq(url, "/upload"))

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_NOT_FOUND,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Not found.\n");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek header = MHD_lookup_connection_value(connection,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_HEADER_KIND, "Content-Type");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!header || !streq(header, "application/vnd.fdo.journal"))

3ba3a79df4ae094d1008c04a9af8d1ff970124c4Zbigniew Jędrzejewski-Szmek return respond_error(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Content-Type: application/vnd.fdo.journal"

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek " is required.\n");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (trust_pem) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = check_permissions(connection, &code);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return code;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!request_meta(connection_cls))

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return respond_oom(connection);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return MHD_YES;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int setup_microhttpd_server(RemoteServer *s, int fd, bool https) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct MHD_OptionItem opts[] = {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_LISTEN_SOCKET, fd},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_END},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_END},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_END},

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { MHD_OPTION_END}};

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int opts_pos = 3;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int flags =

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_USE_DEBUG |

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_USE_PEDANTIC_CHECKS |

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_USE_EPOLL_LINUX_ONLY |

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_USE_DUAL_STACK;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const union MHD_DaemonInfo *info;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r, epoll_fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHDDaemonWrapper *d;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(fd >= 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = fd_nonblock(fd, true);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to make fd:%d nonblocking: %s", fd, strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (https) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek opts[opts_pos++] = (struct MHD_OptionItem)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek {MHD_OPTION_HTTPS_MEM_KEY, 0, key_pem};

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek opts[opts_pos++] = (struct MHD_OptionItem)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek {MHD_OPTION_HTTPS_MEM_CERT, 0, cert_pem};

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek flags |= MHD_USE_SSL;

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen if (trust_pem)

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen opts[opts_pos++] = (struct MHD_OptionItem)

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen {MHD_OPTION_HTTPS_MEM_TRUST, 0, trust_pem};

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen }

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen d = new(MHDDaemonWrapper, 1);

769b56a308c3f3d3952eda87fd4fb004207f4f49Tom Gundersen if (!d)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek d->fd = (uint64_t) fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek d->daemon = MHD_start_daemon(flags, 0,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek NULL, NULL,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek request_handler, NULL,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_OPTION_ARRAY, opts,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_OPTION_END);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!d->daemon) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to start µhttp daemon");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = -EINVAL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)",

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek https ? "HTTPS" : "HTTP", fd, d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY);

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau if (!info) {

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau log_error("µhttp returned NULL daemon info");

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau r = -ENOTSUP;

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau goto error;

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau }

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau

301f4073fe1c2757e602aef24cee9ccf5f81a3a3Michael Marineau epoll_fd = info->listen_fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (epoll_fd < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("µhttp epoll fd is invalid");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = -EUCLEAN;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_event_add_io(s->events, &d->event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek epoll_fd, EPOLLIN, dispatch_http_event, d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to add event callback: %s", strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = hashmap_ensure_allocated(&s->daemons, uint64_hash_func, uint64_compare_func);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_oom();

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = hashmap_put(s->daemons, &d->fd, d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to add daemon to hashmap: %s", strerror(-r));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek goto error;

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahani }

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahani

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahani s->active ++;

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahani return 0;

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahani

1adc5d0bcd17fc8a8cd22fcd03174bfd75306dcdSusant Sahanierror:

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_stop_daemon(d->daemon);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(d->daemon);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmekstatic int setup_microhttpd_socket(RemoteServer *s,

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek const char *address,

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek bool https) {

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek int fd;

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek

e88d8021ba34be32ef5ace32e7243da798b0d1c5Zbigniew Jędrzejewski-Szmek fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (fd < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return setup_microhttpd_server(s, fd, https);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int dispatch_http_event(sd_event_source *event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int fd,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek uint32_t revents,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHDDaemonWrapper *d = userdata;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("%s", __func__);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = MHD_run(d->daemon);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r == MHD_NO) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("MHD_run failed!");

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen // XXX: unregister daemon

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen return -EINVAL;

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen }

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen return 1; /* work to do */

4a6970c5354cd367b1fa62114057d8e084a20403Torstein Husebø}

3e43b2cd97bd82efe6a09e8b9b2e6b5f33f578a0Jan Janssen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int dispatch_sigterm(sd_event_source *event,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const struct signalfd_siginfo *si,

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek RemoteServer *s = userdata;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_received_signal(LOG_INFO, si);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sd_event_exit(s->events, 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int setup_signals(RemoteServer *s) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sigset_t mask;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert_se(sigemptyset(&mask) == 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sigset_add_many(&mask, SIGINT, SIGTERM, -1);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, dispatch_sigterm, s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, dispatch_sigterm, s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int remoteserver_init(RemoteServer *s) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r, n, fd;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *output_name = NULL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sd_event_default(&s->events);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek setup_signals(s);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(server == NULL);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek server = s;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek n = sd_listen_fds(true);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (n < 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to read listening file descriptors from environment: %s",

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek strerror(-n));

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return n;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Received %d descriptors", n);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (sd_is_socket(fd, AF_UNSPEC, 0, false)) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert_not_reached("not implemented");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Received a connection socket (fd:%d)", fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = add_source(s, fd, NULL);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek output_name = "socket";

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Unknown socket passed on fd:%d", fd);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return -EINVAL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_url) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char _cleanup_free_ *url = NULL;

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen char _cleanup_strv_free_ **urlv = strv_new(arg_url, "/entries", NULL);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!urlv)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen url = strv_join(urlv, "");

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen if (!url)

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen return log_oom();

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen if (arg_getter) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Spawning getter %s...", url);

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen fd = spawn_getter(arg_getter, url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen log_info("Spawning curl %s...", url);

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen fd = spawn_curl(url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen if (fd < 0)

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen return fd;

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen

9c8ca3f7a69f82ca181b3cd2d5e1d3e621938abbZbigniew Jędrzejewski-Szmek r = add_source(s, fd, arg_url);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen output_name = arg_url;

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma if (arg_listen_raw) {

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma log_info("Listening on a socket...");

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma r = setup_raw_socket(s, arg_listen_raw);

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma if (r < 0)

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma return r;

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek output_name = arg_listen_raw;

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen if (arg_listen_http) {

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma r = setup_microhttpd_socket(s, arg_listen_http, false);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma return r;

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma output_name = arg_listen_http;

f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_listen_https) {

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen r = setup_microhttpd_socket(s, arg_listen_https, true);

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen if (r < 0)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen output_name = arg_listen_https;

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen }

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_stdin) {

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen log_info("Reading standard input...");

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = add_source(s, STDIN_FILENO, "stdin");

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen if (r < 0)

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen output_name = "stdin";

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen }

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen if (s->active == 0) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Zarro sources specified");

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen return -EINVAL;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen if (!!n + !!arg_url + !!arg_listen_raw + !!arg_stdin > 1)

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek output_name = "multiple";

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen r = writer_init(&s->writer);

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen if (r < 0)

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen return r;

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen r = open_output(&s->writer, output_name);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;

12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen}

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int server_destroy(RemoteServer *s) {

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen int r;

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen ssize_t i;

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen MHDDaemonWrapper *d;

0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = writer_close(&s->writer);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek while ((d = hashmap_steal_first(s->daemons))) {

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek MHD_stop_daemon(d->daemon);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sd_event_source_unref(d->event);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(d);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek hashmap_free(s->daemons);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(s->sources_size == 0 || s->sources);

798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for (i = 0; i < s->sources_size; i++)

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen remove_source(s, i);

eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen

free(s->sources);

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... */

return r;

}

static int dispatch_raw_source_event(sd_event_source *event,

int fd,

uint32_t revents,

void *userdata) {

RemoteServer *s = userdata;

RemoteSource *source;

int r;

assert(fd < s->sources_size);

source = s->sources[fd];

assert(source->fd == fd);

r = process_source(source, &s->writer, arg_compress, arg_seal);

if (source->state == STATE_EOF) {

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

source->fd, source->name);

if (source_non_empty(source))

log_warning("EOF reached with incomplete data");

remove_source(s, source->fd);

log_info("%zd active source remaining", s->active);

} else if (r == -E2BIG) {

log_error("Entry too big, skipped");

r = 1;

}

return r;

}

static int accept_connection(const char* type, int fd, SocketAddress *addr) {

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) {

log_error("accept() on fd:%d failed: %m", fd);

return -errno;

}

switch(socket_address_family(addr)) {

case AF_INET:

case AF_INET6: {

char* _cleanup_free_ a = NULL;

r = socket_address_print(addr, &a);

if (r < 0) {

log_error("socket_address_print(): %s", strerror(-r));

close(fd2);

return r;

}

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

type,

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

a);

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,

};

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

if (fd2 < 0)

return fd2;

return add_source(s, fd2, NULL);

}

static int help(void) {

printf("%s [OPTIONS...]\n\n"

"Write external journal events to a journal file.\n\n"

"Options:\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"

" --stdin Read events from standard input\n"

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

" --[no-]compress Use XZ-compression in the output journal (default: yes)\n"

" --[no-]seal Use Event sealing in the output journal (default: no)\n"

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

" --version Print version string and exit\n"

"\n"

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

, program_invocation_short_name);

return 0;

}

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

enum {

ARG_VERSION = 0x100,

ARG_URL,

ARG_LISTEN_RAW,

ARG_LISTEN_HTTP,

ARG_LISTEN_HTTPS,

ARG_STDIN,

ARG_GETTER,

ARG_COMPRESS,

ARG_NO_COMPRESS,

ARG_SEAL,

ARG_NO_SEAL,

ARG_KEY,

ARG_CERT,

ARG_TRUST,

};

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 },

{ "stdin", no_argument, NULL, ARG_STDIN },

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

{ "compress", no_argument, NULL, ARG_COMPRESS },

{ "no-compress", no_argument, NULL, ARG_NO_COMPRESS },

{ "seal", no_argument, NULL, ARG_SEAL },

{ "no-seal", no_argument, NULL, ARG_NO_SEAL },

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

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

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

{}

};

int c, r;

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) {

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

return -EINVAL;

}

arg_listen_http = optarg;

break;

case ARG_LISTEN_HTTPS:

if (arg_listen_https) {

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

return -EINVAL;

}

arg_listen_https = optarg;

break;

case ARG_KEY:

if (key_pem) {

log_error("Key file specified twice");

return -EINVAL;

}

r = read_full_file(optarg, &key_pem, NULL);

if (r < 0) {

log_error("Failed to read key file: %s", strerror(-r));

return r;

}

assert(key_pem);

break;

case ARG_CERT:

if (cert_pem) {

log_error("Certificate file specified twice");

return -EINVAL;

}

r = read_full_file(optarg, &cert_pem, NULL);

if (r < 0) {

log_error("Failed to read certificate file: %s", strerror(-r));

return r;

}

assert(cert_pem);

break;

case ARG_TRUST:

#ifdef HAVE_GNUTLS

if (trust_pem) {

log_error("CA certificate file specified twice");

return -EINVAL;

}

r = read_full_file(optarg, &trust_pem, NULL);

if (r < 0) {

log_error("Failed to read CA certificate file: %s", strerror(-r));

return r;

}

assert(trust_pem);

break;

#else

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

#endif

case ARG_STDIN:

arg_stdin = true;

break;

case 'o':

if (arg_output) {

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

return -EINVAL;

}

arg_output = optarg;

break;

case ARG_COMPRESS:

arg_compress = true;

break;

case ARG_NO_COMPRESS:

arg_compress = false;

break;

case ARG_SEAL:

arg_seal = true;

break;

case ARG_NO_SEAL:

arg_seal = false;

break;

case '?':

return -EINVAL;

default:

log_error("Unknown option code %c", c);

return -EINVAL;

}

if (arg_listen_https && !(key_pem && cert_pem)) {

log_error("Options --key and --cert must be used when https sources are specified");

return -EINVAL;

}

if (optind < argc) {

log_error("This program takes no positional arguments");

return -EINVAL;

}

return 1 /* work to do */;

}

static int setup_gnutls_logger(void) {

if (!arg_listen_http && !arg_listen_https)

return 0;

#ifdef HAVE_GNUTLS

gnutls_global_set_log_function(log_func_gnutls);

gnutls_global_set_log_level(GNUTLS_LOG_LEVEL);

#endif

return 0;

}

int main(int argc, char **argv) {

RemoteServer s = {};

int r, r2;

log_set_max_level(LOG_DEBUG);

log_show_color(true);

log_parse_environment();

r = parse_argv(argc, argv);

if (r <= 0)

return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;

r = setup_gnutls_logger();

if (r < 0)

return EXIT_FAILURE;

if (remoteserver_init(&s) < 0)

return EXIT_FAILURE;

log_debug("%s running as pid %lu",

program_invocation_short_name, (unsigned long) getpid());

sd_notify(false,

"READY=1\n"

"STATUS=Processing requests...");

while (s.active) {

r = sd_event_get_state(s.events);

if (r < 0)

break;

if (r == SD_EVENT_FINISHED)

break;

r = sd_event_run(s.events, -1);

if (r < 0) {

log_error("Failed to run event loop: %s", strerror(-r));

break;

}

}

log_info("Finishing after writing %" PRIu64 " entries", s.writer.seqnum);

r2 = server_destroy(&s);

sd_notify(false, "STATUS=Shutting down...");

return r >= 0 && r2 >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;

}