74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering#include <errno.h>

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering#include <fcntl.h>

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include <stdio.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <stdlib.h>

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering#include <string.h>

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include <sys/prctl.h>

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include <sys/socket.h>

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering#include <sys/stat.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/types.h>

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen#include <unistd.h>

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen#include <getopt.h>

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen#include "sd-daemon.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "journal-file.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "journald-native.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "socket-util.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "mkdir.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "build.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "macro.h"

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen#include "strv.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "fileio.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "conf-parser.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "siphash24.h"

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#ifdef HAVE_GNUTLS

0dd25fb9f005d8ab7ac4bc10a609d00569f8c56aLennart Poettering#include <gnutls/gnutls.h>

3c0cf502796be355431d4a64d738e75f543aa51dLennart Poettering#endif

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering#include "journal-remote.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "journal-remote-write.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering#define REMOTE_JOURNAL_PATH "/var/log/journal/remote"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem"

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering#define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem"

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem"

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char* arg_url = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char* arg_getter = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char* arg_listen_raw = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char* arg_listen_http = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char* arg_listen_https = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic char** arg_files = NULL;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic int arg_compress = true;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic int arg_seal = false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int http_socket = -1, https_socket = -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char** arg_gnutls_log = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic JournalWriteSplitMode arg_split_mode = JOURNAL_WRITE_SPLIT_HOST;

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersenstatic char* arg_output = NULL;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poetteringstatic char *arg_key = NULL;

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poetteringstatic char *arg_cert = NULL;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersenstatic char *arg_trust = NULL;

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersenstatic bool arg_trust_all = false;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poetteringstatic int spawn_child(const char* child, char** argv) {

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering int fd[2];

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering pid_t parent_pid, child_pid;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering int r;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering if (pipe(fd) < 0) {

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering log_error("Failed to create pager pipe: %m");

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering return -errno;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering }

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering parent_pid = getpid();

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering child_pid = fork();

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering if (child_pid < 0) {

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering r = -errno;

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering log_error("Failed to fork: %m");

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering safe_close_pair(fd);

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering return r;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering }

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering /* In the child */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (child_pid == 0) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering r = dup2(fd[1], STDOUT_FILENO);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_error("Failed to dup pipe to stdout: %m");

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering _exit(EXIT_FAILURE);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering }

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

3e684349c2cead2e6fd2f816c34eb17daba23a49Lennart Poettering safe_close_pair(fd);

3e684349c2cead2e6fd2f816c34eb17daba23a49Lennart Poettering

3e684349c2cead2e6fd2f816c34eb17daba23a49Lennart Poettering /* Make sure the child goes away when the parent dies */

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(EXIT_FAILURE);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Check whether our parent died before we were able

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (getppid() != parent_pid)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(EXIT_SUCCESS);

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering execvp(child, argv);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to exec child %s: %m", child);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(EXIT_FAILURE);

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen }

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen

cab5b05903096e1c9cf5575ccc73f89d15c8db69Lennart Poettering r = close(fd[1]);

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen if (r < 0)

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen log_warning("Failed to close write end of pipe: %m");

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering return fd[0];

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen}

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen

3e684349c2cead2e6fd2f816c34eb17daba23a49Lennart Poetteringstatic int spawn_curl(const char* url) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering char **argv = STRV_MAKE("curl",

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering "-HAccept: application/vnd.fdo.journal",

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen "--silent",

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering "--show-error",

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering url);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = spawn_child("curl", argv);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to spawn curl: %m");

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering return r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering}

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poetteringstatic int spawn_getter(const char *getter, const char *url) {

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen int r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering _cleanup_strv_free_ char **words = NULL;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering assert(getter);

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen r = strv_split_quoted(&words, getter);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering if (r < 0) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_error("Failed to split getter option: %s", strerror(-r));

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen return r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering }

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering r = strv_extend(&words, url);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering if (r < 0) {

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering log_error("Failed to create command line: %s", strerror(-r));

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering return r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering }

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering r = spawn_child(words[0], words);

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering if (r < 0)

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_error("Failed to spawn getter %s: %m", getter);

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering return r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering}

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poettering#define filename_escape(s) xescape((s), "/ ")

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

eed857b71702f8551b46b66b31fa0d08583cf23cLennart Poetteringstatic int open_output(Writer *w, const char* host) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering _cleanup_free_ char *_output = NULL;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering const char *output;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering int r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering switch (arg_split_mode) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case JOURNAL_WRITE_SPLIT_NONE:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering output = arg_output ?: REMOTE_JOURNAL_PATH "/remote.journal";

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case JOURNAL_WRITE_SPLIT_HOST: {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering _cleanup_free_ char *name;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen assert(host);

91b14d6ff362b938a72db17b095ee9903d07381bTom Gundersen

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering name = filename_escape(host);

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering if (!name)

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering return log_oom();

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering r = asprintf(&_output, "%s/remote-%s.journal",

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering arg_output ?: REMOTE_JOURNAL_PATH,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering name);

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering if (r < 0)

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering return log_oom();

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering output = _output;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering break;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering }

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering default:

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering assert_not_reached("what?");

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering }

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering r = journal_file_open_reliably(output,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering O_RDWR|O_CREAT, 0640,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering arg_compress, arg_seal,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering &w->metrics,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering w->mmap,

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering NULL, &w->journal);

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering if (r < 0)

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering log_error("Failed to open output journal %s: %s",

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering output, strerror(-r));

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering else

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering log_info("Opened output file %s", w->journal->path);

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering return r;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering}

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poetteringstatic int init_writer_hashmap(RemoteServer *s) {

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering static const struct {

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering hash_func_t hash_func;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering compare_func_t compare_func;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering } functions[] = {

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering [JOURNAL_WRITE_SPLIT_NONE] = {trivial_hash_func,

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering trivial_compare_func},

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen [JOURNAL_WRITE_SPLIT_HOST] = {string_hash_func,

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen string_compare_func},

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering };

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering assert(arg_split_mode >= 0 && arg_split_mode < (int) ELEMENTSOF(functions));

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering s->writers = hashmap_new(functions[arg_split_mode].hash_func,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering functions[arg_split_mode].compare_func);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (!s->writers)

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering return log_oom();

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen return 0;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering}

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poetteringstatic int get_writer(RemoteServer *s, const char *host,

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering Writer **writer) {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering const void *key;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering _cleanup_writer_unref_ Writer *w = NULL;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int r;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering switch(arg_split_mode) {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering case JOURNAL_WRITE_SPLIT_NONE:

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering key = "one and only";

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering break;

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering case JOURNAL_WRITE_SPLIT_HOST:

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering assert(host);

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering key = host;

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering break;

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering default:

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering assert_not_reached("what split mode?");

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering }

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering w = hashmap_get(s->writers, key);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (w)

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering writer_ref(w);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering else {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering w = writer_new(s);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (!w)

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering return log_oom();

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST) {

84129d46cd6e95e142973da93aede4c7433c9600Lennart Poettering w->hashmap_key = strdup(key);

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering if (!w->hashmap_key)

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering return log_oom();

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen }

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen r = open_output(w, host);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (r < 0)

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen return r;

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen r = hashmap_put(s->writers, w->hashmap_key ?: key, w);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen if (r < 0)

efd46a696d31097c38f653b36921e00c4df62319Lennart Poettering return r;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen }

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen *writer = w;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering w = NULL;

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen return 0;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen}

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poetteringstatic RemoteServer *server;

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen

84129d46cd6e95e142973da93aede4c7433c9600Lennart Poetteringstatic int dispatch_raw_source_event(sd_event_source *event,

84129d46cd6e95e142973da93aede4c7433c9600Lennart Poettering int fd,

84129d46cd6e95e142973da93aede4c7433c9600Lennart Poettering uint32_t revents,

84129d46cd6e95e142973da93aede4c7433c9600Lennart Poettering void *userdata);

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersenstatic int dispatch_raw_connection_event(sd_event_source *event,

9df3ba6c6cb65eecec06f39dfe85a3596cedac4eTom Gundersen int fd,

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering uint32_t revents,

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersen void *userdata);

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersenstatic int dispatch_http_event(sd_event_source *event,

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int fd,

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering uint32_t revents,

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering void *userdata);

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersen

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersenstatic int get_source_for_fd(RemoteServer *s,

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int fd, char *name, RemoteSource **source) {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering Writer *writer;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int r;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering assert(fd >= 0);

571370c1555d2aa697733479a50957aff024bbcbLennart Poettering assert(source);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1))

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering return log_oom();

571370c1555d2aa697733479a50957aff024bbcbLennart Poettering

571370c1555d2aa697733479a50957aff024bbcbLennart Poettering r = get_writer(s, name, &writer);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (r < 0) {

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersen log_warning("Failed to get writer for source %s: %s",

4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4Tom Gundersen name, strerror(-r));

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return r;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering }

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (s->sources[fd] == NULL) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering s->sources[fd] = source_new(fd, false, name, writer);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (!s->sources[fd]) {

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering writer_unref(writer);

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering return log_oom();

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering }

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering s->active++;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering }

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering *source = s->sources[fd];

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering return 0;

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering}

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poetteringstatic int remove_source(RemoteServer *s, int fd) {

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering RemoteSource *source;

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering assert(s);

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering assert(fd >= 0 && fd < (ssize_t) s->sources_size);

b64513580ce627578351b76a502455e7bc62cae4Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering source = s->sources[fd];

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering if (source) {

b652d4a2099d1c167584dcc1d179d47c58dc38a2Lennart Poettering /* this closes fd too */

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen source_free(source);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen s->sources[fd] = NULL;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen s->active--;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen }

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen return 0;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen}

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersenstatic int add_source(RemoteServer *s, int fd, char* name, bool own_name) {

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen RemoteSource *source;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen int r;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen assert(s);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen assert(fd >= 0);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen assert(name);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen if (!own_name) {

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen name = strdup(name);

011842775f750711833526d5bba1b818713947f5Lennart Poettering if (!name)

011842775f750711833526d5bba1b818713947f5Lennart Poettering return log_oom();

011842775f750711833526d5bba1b818713947f5Lennart Poettering }

011842775f750711833526d5bba1b818713947f5Lennart Poettering

011842775f750711833526d5bba1b818713947f5Lennart Poettering r = get_source_for_fd(s, fd, name, &source);

011842775f750711833526d5bba1b818713947f5Lennart Poettering if (r < 0) {

011842775f750711833526d5bba1b818713947f5Lennart Poettering log_error("Failed to create source for fd:%d (%s): %s",

011842775f750711833526d5bba1b818713947f5Lennart Poettering fd, name, strerror(-r));

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering return r;

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering }

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering r = sd_event_add_io(s->events, &source->event,

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI,

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering dispatch_raw_source_event, s);

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering if (r < 0) {

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering log_error("Failed to register event source for fd:%d: %s",

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering fd, strerror(-r));

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering goto error;

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering }

011842775f750711833526d5bba1b818713947f5Lennart Poettering

011842775f750711833526d5bba1b818713947f5Lennart Poettering return 1; /* work to do */

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen error:

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen remove_source(s, fd);

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering return r;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen}

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poetteringstatic int add_raw_socket(RemoteServer *s, int fd) {

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering int r;

011842775f750711833526d5bba1b818713947f5Lennart Poettering

011842775f750711833526d5bba1b818713947f5Lennart Poettering r = sd_event_add_io(s->events, &s->listen_event,

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering fd, EPOLLIN,

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering dispatch_raw_connection_event, s);

cc450722a02ab9c59bca1d9a5b5012f356336a8cLennart Poettering if (r < 0) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering close(fd);

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering return r;

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering }

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering s->active ++;

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering return 0;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering}

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersenstatic int setup_raw_socket(RemoteServer *s, const char *address) {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int fd;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

6a1a5eec43892dee3ff6e208bceb1931c25c782eLennart Poettering fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering if (fd < 0)

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering return fd;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return add_raw_socket(s, fd);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering}

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poetteringstatic RemoteSource *request_meta(void **connection_cls, int fd, char *hostname) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering RemoteSource *source;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering Writer *writer;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering int r;

6a1a5eec43892dee3ff6e208bceb1931c25c782eLennart Poettering

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen assert(connection_cls);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (*connection_cls)

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return *connection_cls;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering r = get_writer(server, hostname, &writer);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (r < 0) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering log_warning("Failed to get writer for source %s: %s",

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering hostname, strerror(-r));

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return NULL;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering }

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering source = source_new(fd, true, hostname, writer);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering if (!source) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering log_oom();

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering writer_unref(writer);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return NULL;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering }

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering log_debug("Added RemoteSource as connection metadata %p", source);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering *connection_cls = source;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering return source;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering}

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poetteringstatic void request_meta_free(void *cls,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering struct MHD_Connection *connection,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering void **connection_cls,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering enum MHD_RequestTerminationCode toe) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering RemoteSource *s;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering assert(connection_cls);

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering s = *connection_cls;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering log_debug("Cleaning up connection metadata %p", s);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering source_free(s);

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering *connection_cls = NULL;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering}

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poetteringstatic int process_http_upload(

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering struct MHD_Connection *connection,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering const char *upload_data,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering size_t *upload_data_size,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering RemoteSource *source) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering bool finished = false;

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering size_t remaining;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering int r;

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering assert(source);

011842775f750711833526d5bba1b818713947f5Lennart Poettering

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering log_debug("request_handler_upload: connection %p, %zu bytes",

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering connection, *upload_data_size);

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering if (*upload_data_size) {

6bb2c08597c999c429e889cd2403b2fef5f3e1a0Lennart Poettering log_debug("Received %zu bytes", *upload_data_size);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen r = push_data(source, upload_data, *upload_data_size);

f4461e5641d53f27d6e76e0607bdaa9c0c58c1f6Lennart Poettering if (r < 0)

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen return mhd_respond_oom(connection);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering *upload_data_size = 0;

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering } else

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering finished = true;

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering while (true) {

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering r = process_source(source, arg_compress, arg_seal);

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering if (r == -EAGAIN || r == -EWOULDBLOCK)

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering break;

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering else if (r < 0) {

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering log_warning("Failed to process data for connection %p", connection);

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering if (r == -E2BIG)

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering return mhd_respondf(connection,

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering MHD_HTTP_REQUEST_ENTITY_TOO_LARGE,

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering "Entry is too large, maximum is %u bytes.\n",

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering DATA_SIZE_MAX);

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering else

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering return mhd_respondf(connection,

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering MHD_HTTP_UNPROCESSABLE_ENTITY,

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering "Processing failed: %s.", strerror(-r));

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering }

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering }

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering if (!finished)

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering return MHD_YES;

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering /* The upload is finished */

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering

519ef04651b07a547f010d6462603669d7fde4e5Lennart Poettering remaining = source_non_empty(source);

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering if (remaining > 0) {

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering log_warning("Premature EOFbyte. %zu bytes lost.", remaining);

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering return mhd_respondf(connection, MHD_HTTP_EXPECTATION_FAILED,

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering "Premature EOF. %zu bytes of trailing data not processed.",

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering remaining);

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering }

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK.\n");

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering};

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poetteringstatic int request_handler(

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering void *cls,

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering struct MHD_Connection *connection,

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering const char *url,

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering const char *method,

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering const char *version,

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering const char *upload_data,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering size_t *upload_data_size,

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering void **connection_cls) {

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering

de54e62b4bd7856fb897c9a2ee93cc228adb2135Lennart Poettering const char *header;

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering int r, code, fd;

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering _cleanup_free_ char *hostname = NULL;

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering assert(connection);

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering assert(connection_cls);

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering assert(url);

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering assert(method);

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering

92ec902aad1ade7acbe50efd7b8ef87fbdc63af3Lennart Poettering log_debug("Handling a connection %s %s %s", method, url, version);

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering if (*connection_cls)

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering return process_http_upload(connection,

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering upload_data, upload_data_size,

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering *connection_cls);

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering if (!streq(method, "POST"))

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering return mhd_respond(connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE,

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering "Unsupported method.\n");

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering if (!streq(url, "/upload"))

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering return mhd_respond(connection, MHD_HTTP_NOT_FOUND,

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering "Not found.\n");

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering header = MHD_lookup_connection_value(connection,

1e02e182f1e06fcbe389474175de228103be39cbLennart Poettering MHD_HEADER_KIND, "Content-Type");

b826ab586c9e0a9c0d438a75c28cf3a8ab485929Tom Gundersen if (!header || !streq(header, "application/vnd.fdo.journal"))

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE,

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering "Content-Type: application/vnd.fdo.journal"

b826ab586c9e0a9c0d438a75c28cf3a8ab485929Tom Gundersen " is required.\n");

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering

b826ab586c9e0a9c0d438a75c28cf3a8ab485929Tom Gundersen {

b826ab586c9e0a9c0d438a75c28cf3a8ab485929Tom Gundersen const union MHD_ConnectionInfo *ci;

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering ci = MHD_get_connection_info(connection,

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt MHD_CONNECTION_INFO_CONNECTION_FD);

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering if (!ci) {

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering log_error("MHD_get_connection_info failed: cannot get remote fd");

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering "Cannot check remote address");

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering return code;

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering }

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering fd = ci->connect_fd;

87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering assert(fd >= 0);

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt }

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt if (server->check_trust) {

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt r = check_permissions(connection, &code, &hostname);

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt if (r < 0)

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering return code;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering } else {

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering r = getnameinfo_pretty(fd, &hostname);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering if (r < 0) {

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering "Cannot check remote hostname");

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering }

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering }

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering assert(hostname);

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering if (!request_meta(connection_cls, fd, hostname))

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering return respond_oom(connection);

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering hostname = NULL;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering return MHD_YES;

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering}

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poetteringstatic int setup_microhttpd_server(RemoteServer *s,

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering int fd,

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering const char *key,

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering const char *cert,

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering const char *trust) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering struct MHD_OptionItem opts[] = {

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free},

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger},

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering { MHD_OPTION_LISTEN_SOCKET, fd},

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering { MHD_OPTION_END},

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering { MHD_OPTION_END},

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering { MHD_OPTION_END},

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering { MHD_OPTION_END}};

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering int opts_pos = 3;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering int flags =

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering MHD_USE_DEBUG |

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering MHD_USE_PEDANTIC_CHECKS |

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering MHD_USE_EPOLL_LINUX_ONLY |

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering MHD_USE_DUAL_STACK;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering const union MHD_DaemonInfo *info;

636e813dc98ea40c58c6c85bc5e7e3c9f0904ea2Lennart Poettering int r, epoll_fd;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering MHDDaemonWrapper *d;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering assert(fd >= 0);

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering r = fd_nonblock(fd, true);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (r < 0) {

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering log_error("Failed to make fd:%d nonblocking: %s", fd, strerror(-r));

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering return r;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (key) {

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering assert(cert);

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering opts[opts_pos++] = (struct MHD_OptionItem)

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key};

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering opts[opts_pos++] = (struct MHD_OptionItem)

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert};

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering flags |= MHD_USE_SSL;

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (trust)

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering opts[opts_pos++] = (struct MHD_OptionItem)

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust};

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering d = new(MHDDaemonWrapper, 1);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (!d)

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering return log_oom();

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering

6cb08a8930bdaca950b152b1e8b82466ed59511cLennart Poettering d->fd = (uint64_t) fd;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering d->daemon = MHD_start_daemon(flags, 0,

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering NULL, NULL,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering request_handler, NULL,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering MHD_OPTION_ARRAY, opts,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering MHD_OPTION_END);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (!d->daemon) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_error("Failed to start µhttp daemon");

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = -EINVAL;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)",

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering key ? "HTTPS" : "HTTP", fd, d);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (!info) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_error("µhttp returned NULL daemon info");

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = -ENOTSUP;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering epoll_fd = info->listen_fd;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (epoll_fd < 0) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_error("µhttp epoll fd is invalid");

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = -EUCLEAN;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = sd_event_add_io(s->events, &d->event,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering epoll_fd, EPOLLIN,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering dispatch_http_event, d);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (r < 0) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_error("Failed to add event callback: %s", strerror(-r));

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = hashmap_ensure_allocated(&s->daemons, uint64_hash_func, uint64_compare_func);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (r < 0) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_oom();

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering r = hashmap_put(s->daemons, &d->fd, d);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering if (r < 0) {

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering log_error("Failed to add daemon to hashmap: %s", strerror(-r));

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering goto error;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering }

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering s->active ++;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering return 0;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poetteringerror:

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering MHD_stop_daemon(d->daemon);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering free(d->daemon);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering free(d);

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering return r;

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering}

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poetteringstatic int setup_microhttpd_socket(RemoteServer *s,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering const char *address,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering const char *key,

f2f1dbe50fea13abadc9c1e845a29031b90b40f3Lennart Poettering const char *cert,

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen const char *trust) {

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen int fd;

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);

9c5e12a4314e7192e834e1b855e5e80111e636a6Tom Gundersen if (fd < 0)

7586f4d172dd9c3ccc3126fc47dca9e49adec132Tom Gundersen return fd;

d74fb368b18f0fbd9a4fe6f15691bbea7f3c4a01Tom Gundersen

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen return setup_microhttpd_server(s, fd, key, cert, trust);

be808ea083fa07271116b4519c3c27fd20c5f077Tom Gundersen}

static int dispatch_http_event(sd_event_source *event,

int fd,

uint32_t revents,

void *userdata) {

MHDDaemonWrapper *d = userdata;

int r;

assert(d);

r = MHD_run(d->daemon);

if (r == MHD_NO) {

log_error("MHD_run failed!");

// XXX: unregister daemon

return -EINVAL;

}

return 1; /* work to do */

}

static int dispatch_sigterm(sd_event_source *event,

const struct signalfd_siginfo *si,

void *userdata) {

RemoteServer *s = userdata;

assert(s);

log_received_signal(LOG_INFO, si);

sd_event_exit(s->events, 0);

return 0;

}

static int setup_signals(RemoteServer *s) {

sigset_t mask;

int r;

assert(s);

assert_se(sigemptyset(&mask) == 0);

sigset_add_many(&mask, SIGINT, SIGTERM, -1);

assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, dispatch_sigterm, s);

if (r < 0)

return r;

r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, dispatch_sigterm, s);

if (r < 0)

return r;

return 0;

}

static int fd_fd(const char *spec) {

int fd, r;

r = safe_atoi(spec, &fd);

if (r < 0)

return r;

if (fd < 0)

return -EINVAL;

return fd;

}

static int remoteserver_init(RemoteServer *s,

const char* key,

const char* cert,

const char* trust) {

int r, n, fd;

char **file;

assert(s);

if ((arg_listen_raw || arg_listen_http) && trust) {

log_error("Option --trust makes all non-HTTPS connections untrusted.");

return -EINVAL;

}

sd_event_default(&s->events);

setup_signals(s);

assert(server == NULL);

server = s;

n = sd_listen_fds(true);

if (n < 0) {

log_error("Failed to read listening file descriptors from environment: %s",

strerror(-n));

return n;

} else

log_info("Received %d descriptors", n);

if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) {

log_error("Received fewer sockets than expected");

return -EBADFD;

}

for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {

if (sd_is_socket(fd, AF_UNSPEC, 0, false)) {

log_info("Received a listening socket (fd:%d)", fd);

if (fd == http_socket)

r = setup_microhttpd_server(s, fd, NULL, NULL, NULL);

else if (fd == https_socket)

r = setup_microhttpd_server(s, fd, key, cert, trust);

else

r = add_raw_socket(s, fd);

} else if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {

char *hostname;

r = getnameinfo_pretty(fd, &hostname);

if (r < 0) {

log_error("Failed to retrieve remote name: %s", strerror(-r));

return r;

}

log_info("Received a connection socket (fd:%d) from %s", fd, hostname);

r = add_source(s, fd, hostname, true);

if (r < 0)

free(hostname);

} else {

log_error("Unknown socket passed on fd:%d", fd);

return -EINVAL;

}

if(r < 0) {

log_error("Failed to register socket (fd:%d): %s",

fd, strerror(-r));

return r;

}

}

if (arg_url) {

const char *url, *hostname;

url = strappenda(arg_url, "/entries");

if (arg_getter) {

log_info("Spawning getter %s...", url);

fd = spawn_getter(arg_getter, url);

} else {

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

fd = spawn_curl(url);

}

if (fd < 0)

return fd;

hostname =

startswith(arg_url, "https://") ?:

startswith(arg_url, "http://") ?:

arg_url;

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

if (r < 0)

return r;

}

if (arg_listen_raw) {

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

r = setup_raw_socket(s, arg_listen_raw);

if (r < 0)

return r;

}

if (arg_listen_http) {

r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL);

if (r < 0)

return r;

}

if (arg_listen_https) {

r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust);

if (r < 0)

return r;

}

STRV_FOREACH(file, arg_files) {

const char *output_name;

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

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

fd = STDIN_FILENO;

output_name = "stdin";

} else {

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

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

if (fd < 0) {

log_error("Failed to open %s: %m", *file);

return -errno;

}

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;

}

r = init_writer_hashmap(s);

if (r < 0)

return r;

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 dispatch_raw_source_event(sd_event_source *event,

int fd,

uint32_t revents,

void *userdata) {

RemoteServer *s = userdata;

RemoteSource *source;

int r;

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

source->fd, source->name);

remaining = source_non_empty(source);

if (remaining > 0)

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

remove_source(s, source->fd);

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

return 0;

} else if (r == -E2BIG) {

log_error("Entry too big, skipped");

return 1;

} else if (r == -EAGAIN) {

return 0;

} else if (r < 0) {

log_info("Closing connection: %s", strerror(-r));

remove_source(server, fd);

return 0;

} else

return 1;

}

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) {

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

return -errno;

}

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

close(fd2);

return r;

}

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

if (r < 0) {

close(fd2);

return r;

}

log_info("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, r;

SocketAddress addr = {

.size = sizeof(union sockaddr_union),

.type = SOCK_STREAM,

};

char *hostname;

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

if (fd2 < 0)

return fd2;

r = add_source(s, fd2, hostname, true);

if (r < 0)

free(hostname);

return r;

}

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(NULL, PKGSYSCONFDIR "/journal-remote.conf", NULL,

"Remote\0",

config_item_table_lookup, items,

false, false, true, 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] Use XZ-compression in the output journal (default: yes)\n"

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

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

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

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

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

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

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

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

" Specify a list of gnutls logging categories\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 = fd_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 = fd_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);

if (r < 0) {

log_error("Failed to parse --compress= parameter.");

return -EINVAL;

}

arg_compress = !!r;

} else

arg_compress = true;

break;

case ARG_SEAL:

if (optarg) {

r = parse_boolean(optarg);

if (r < 0) {

log_error("Failed to parse --seal= parameter.");

return -EINVAL;

}

arg_seal = !!r;

} else

arg_seal = true;

break;

case ARG_GNUTLS_LOG: {

#ifdef HAVE_GNUTLS

const char *word, *state;

size_t size;

FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {

char *cat;

cat = strndup(word, size);

if (!cat)

return log_oom();

if (strv_consume(&arg_gnutls_log, cat) < 0)

return log_oom();

}

break;

#else

log_error("Option --gnutls-log is not available.");

return -EINVAL;

#endif

}

case '?':

return -EINVAL;

default:

assert_not_reached("Unknown option code.");

}

if (optind < argc)

arg_files = argv + optind;

type_a = arg_getter || !strv_isempty(arg_files);

type_b = arg_url

|| arg_listen_raw

|| arg_listen_http || arg_listen_https

|| sd_listen_fds(false) > 0;

if (type_a && type_b) {

log_error("Cannot use file input or --getter with "

"--arg-listen-... or socket activation.");

return -EINVAL;

}