src/doveadm/doveadm-fs.c

	doveadm-fs.c revision 713a54f695b8ad63826d22ebbe52f55c347e8c88
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi/* Copyright (c) 2013 Dovecot authors, see the included COPYING file */
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "lib.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "istream.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "ostream.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "iostream-ssl.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "fs-api.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include "doveadm.h"
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi#include <stdio.h>
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomistatic void fs_cmd_help(doveadm_command_t *cmd);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomistatic struct fs *
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomicmd_fs_init(int *argc, char **argv[], int own_arg_count, doveadm_command_t *cmd)
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi{
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct ssl_iostream_settings ssl_set;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs_settings fs_set;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs *fs;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    const char *error;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if (*argc != 3 + own_arg_count)
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        fs_cmd_help(cmd);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    memset(&ssl_set, 0, sizeof(ssl_set));
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    ssl_set.ca_dir = doveadm_settings->ssl_client_ca_dir;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    ssl_set.verbose = doveadm_debug;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    memset(&fs_set, 0, sizeof(fs_set));
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_set.ssl_client_set = &ssl_set;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_set.temp_dir = "/tmp";
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_set.debug = doveadm_debug;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if (fs_init((*argv)[1], (*argv)[2], &fs_set, &fs, &error) < 0)
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_fatal("fs_init() failed: %s", error);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    *argc += 3;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    *argv += 3;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    return fs;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi}
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomistatic void cmd_fs_get(int argc, char *argv[])
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi{
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs *fs;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs_file *file;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct istream *input;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    const unsigned char *data;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    size_t size;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    ssize_t ret;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs = cmd_fs_init(&argc, &argv, 1, cmd_fs_get);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    file = fs_file_init(fs, argv[0], FS_OPEN_MODE_READONLY);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    input = fs_read_stream(file, IO_BLOCK_SIZE);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    while ((ret = i_stream_read_data(input, &data, &size, 0)) > 0) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        fwrite(data, 1, size, stdout);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_stream_skip(input, size);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    }
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    i_assert(ret == -1);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if (input->stream_errno == ENOENT) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_error("%s doesn't exist", fs_file_path(file));
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        doveadm_exit_code = DOVEADM_EX_NOTFOUND;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    } else if (input->stream_errno != 0) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_error("read(%s) failed: %m", fs_file_path(file));
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        doveadm_exit_code = EX_TEMPFAIL;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    }
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    i_stream_unref(&input);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_file_deinit(&file);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_deinit(&fs);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi}
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomistatic void cmd_fs_put(int argc, char *argv[])
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi{
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs *fs;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    const char *src_path, *dest_path;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs_file *file;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct istream *input;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct ostream *output;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    off_t ret;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs = cmd_fs_init(&argc, &argv, 2, cmd_fs_put);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    src_path = argv[0];
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    dest_path = argv[1];
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    file = fs_file_init(fs, dest_path, FS_OPEN_MODE_REPLACE);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    output = fs_write_stream(file);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    input = i_stream_create_file(src_path, IO_BLOCK_SIZE);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if ((ret = o_stream_send_istream(output, input)) < 0) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        if (output->stream_errno != 0)
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi            i_error("write(%s) failed: %m", dest_path);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        else
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi            i_error("read(%s) failed: %m", src_path);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        doveadm_exit_code = EX_TEMPFAIL;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    }
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    i_stream_destroy(&input);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if (fs_write_stream_finish(file, &output) < 0) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_error("fs_write_stream_finish() failed: %s",
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi            fs_file_last_error(file));
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        doveadm_exit_code = EX_TEMPFAIL;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    }
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_file_deinit(&file);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs_deinit(&fs);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi}
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomistatic void cmd_fs_copy(int argc, char *argv[])
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi{
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs *fs;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    struct fs_file *src_file, *dest_file;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    const char *src_path, *dest_path;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    fs = cmd_fs_init(&argc, &argv, 2, cmd_fs_copy);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    src_path = argv[0];
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    dest_path = argv[1];
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    src_file = fs_file_init(fs, src_path, FS_OPEN_MODE_READONLY);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    dest_file = fs_file_init(fs, dest_path, FS_OPEN_MODE_REPLACE);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    if (fs_copy(src_file, dest_file) == 0) ;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    else if (errno == ENOENT) {
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        i_error("%s doesn't exist", src_path);
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi        doveadm_exit_code = DOVEADM_EX_NOTFOUND;
6004fdf3cc8fe87a6c35ce297d39ab68feb707b0Aki Tuomi    } else {
        i_error("fs_copy(%s, %s) failed: %s",
            src_path, dest_path, fs_last_error(fs));
        doveadm_exit_code = EX_TEMPFAIL;
    }
    fs_file_deinit(&src_file);
    fs_file_deinit(&dest_file);
    fs_deinit(&fs);
}

static void cmd_fs_stat(int argc, char *argv[])
{
    struct fs *fs;
    struct fs_file *file;
    struct stat st;

    fs = cmd_fs_init(&argc, &argv, 1, cmd_fs_stat);

    file = fs_file_init(fs, argv[0], FS_OPEN_MODE_READONLY);
    if (fs_stat(file, &st) == 0) {
        printf("%s size=%lld\n", fs_file_path(file),
               (long long)st.st_size);
    } else if (errno == ENOENT) {
        i_error("%s doesn't exist", fs_file_path(file));
        doveadm_exit_code = DOVEADM_EX_NOTFOUND;
    } else {
        i_error("fs_stat(%s) failed: %s",
            fs_file_path(file), fs_file_last_error(file));
        doveadm_exit_code = EX_TEMPFAIL;
    }
    fs_file_deinit(&file);
    fs_deinit(&fs);
}

static void cmd_fs_delete(int argc, char *argv[])
{
    struct fs *fs;
    struct fs_file *file;

    fs = cmd_fs_init(&argc, &argv, 1, cmd_fs_delete);

    file = fs_file_init(fs, argv[0], FS_OPEN_MODE_READONLY);
    if (fs_delete(file) == 0)
        ;
    else if (errno == ENOENT) {
        i_error("%s doesn't exist", fs_file_path(file));
        doveadm_exit_code = DOVEADM_EX_NOTFOUND;
    } else {
        i_error("fs_delete(%s) failed: %s",
            fs_file_path(file), fs_file_last_error(file));
        doveadm_exit_code = EX_TEMPFAIL;
    }
    fs_file_deinit(&file);
    fs_deinit(&fs);
}

static void cmd_fs_iter_full(int argc, char *argv[], enum fs_iter_flags flags,
                 doveadm_command_t *cmd)
{
    struct fs *fs;
    struct fs_iter *iter;
    const char *fname;

    fs = cmd_fs_init(&argc, &argv, 1, cmd);

    iter = fs_iter_init(fs, argv[0], flags);
    while ((fname = fs_iter_next(iter)) != NULL)
        printf("%s\n", fname);
    if (fs_iter_deinit(&iter) < 0) {
        i_error("fs_iter_deinit(%s) failed: %s",
            argv[0], fs_last_error(fs));
        doveadm_exit_code = EX_TEMPFAIL;
    }
    fs_deinit(&fs);
}

static void cmd_fs_iter(int argc, char *argv[])
{
    cmd_fs_iter_full(argc, argv, 0, cmd_fs_iter);
}

static void cmd_fs_iter_dirs(int argc, char *argv[])
{
    cmd_fs_iter_full(argc, argv, FS_ITER_FLAG_DIRS, cmd_fs_iter_dirs);
}

struct doveadm_cmd doveadm_cmd_fs[] = {
    { cmd_fs_get, "fs get", "<fs-driver> <fs-args> <path>" },
    { cmd_fs_put, "fs put", "<fs-driver> <fs-args> <input path> <path>" },
    { cmd_fs_copy, "fs copy", "<fs-driver> <fs-args> <source path> <dest path>" },
    { cmd_fs_stat, "fs stat", "<fs-driver> <fs-args> <path>" },
    { cmd_fs_delete, "fs delete", "<fs-driver> <fs-args> <path>" },
    { cmd_fs_iter, "fs iter", "<fs-driver> <fs-args> <path>" },
    { cmd_fs_iter_dirs, "fs iter-dirs", "<fs-driver> <fs-args> <path>" },
};

static void fs_cmd_help(doveadm_command_t *cmd)
{
    unsigned int i;

    for (i = 0; i < N_ELEMENTS(doveadm_cmd_fs); i++) {
        if (doveadm_cmd_fs[i].cmd == cmd)
            help(&doveadm_cmd_fs[i]);
    }
    i_unreached();
}

void doveadm_register_fs_commands(void)
{
    unsigned int i;

    for (i = 0; i < N_ELEMENTS(doveadm_cmd_fs); i++)
        doveadm_register_cmd(&doveadm_cmd_fs[i]);
}