void
ct_prompt_for_login_password(struct ct_config *conf)
{
char answer[1024];
if (conf->ct_username == NULL) {
if (ct_get_answer("Login username: "******"invalid username");
} else if (!strlen(answer)) {
CFATALX("username must not be empty");
}
conf->ct_username = e_strdup(answer);
bzero(answer, sizeof answer);
}
ct_normalize_username(conf->ct_username);
if (conf->ct_password == NULL) {
if (ct_get_answer("Login password: "******"invalid password");
} else if (!strlen(answer)) {
CFATALX("password must not be empty");
}
conf->ct_password = e_strdup(answer);
bzero(answer, sizeof answer);
}
}
/*
* now the operation has completed we can kick off the next operation knowing
* that everything has been set up for it.
*/
int
ctfile_extract_nextop(struct ct_global_state *state, struct ct_op *op)
{
struct ct_ctfile_find_fileop_args *ccffa = op->op_args;
struct ct_ctfileop_args *cca;
char *cachename;
int ret = 0;
/*
* If this is an operation that needs the full incremental chain
* recursively fetch the next one in the chain till done.
*/
if (ccffa->ccffa_download_chain) {
/*
* download_next takes ownership of the pointers it is given,
* duplicate our copy.
*/
cca = e_calloc(1, sizeof(*cca));
if (ccffa->ccffa_base.cca_localname)
cca->cca_localname =
e_strdup(ccffa->ccffa_base.cca_localname);
if (ccffa->ccffa_base.cca_remotename)
cca->cca_remotename =
e_strdup(ccffa->ccffa_base.cca_remotename);
cca->cca_tdir = ccffa->ccffa_base.cca_tdir;
cca->cca_ctfile = ccffa->ccffa_base.cca_ctfile;
op->op_args = cca;
/* we give up ownership of cca here */
if ((ret = ctfile_download_next(state, op)) != 0)
goto out;
}
/*
* We now have the name of the file we wish to perform the main
* operation on, the nextop callback will add this operation
* to the operation list. Ownership of the allocated pointer
* passes to the child.
*/
if (ccffa->ccffa_base.cca_localname != NULL) {
cachename =
ctfile_get_cachename(ccffa->ccffa_base.cca_localname,
ccffa->ccffa_base.cca_tdir);
} else {
cachename = NULL;
}
ret = ccffa->ccffa_nextop(state, cachename, ccffa->ccffa_nextop_args);
out:
if (ccffa->ccffa_base.cca_localname)
e_free(&ccffa->ccffa_base.cca_localname);
if (ccffa->ccffa_base.cca_remotename)
e_free(&ccffa->ccffa_base.cca_remotename);
e_free(&ccffa);
return (ret);
}
char *
ct_getloginbyuid(uid_t uid)
{
struct passwd *passwd;
struct ct_login_cache *entry, search;
search.lc_uid = uid;
entry = RB_FIND(ct_login_cache_tree, &ct_login_cache, &search);
if (entry != NULL) {
return entry->lc_name;
}
/* if the cache gets too big, dump all entries and refill. */
if (ct_login_cache_size > MAX_LC_CACHE_SIZE) {
ct_cleanup_login_cache();
}
/* yes, this even caches negative entries */
ct_login_cache_size++;
entry = e_calloc(1, sizeof(*entry));
entry->lc_uid = uid;
passwd = getpwuid(uid);
if (passwd)
entry->lc_name = e_strdup(passwd->pw_name);
else
entry->lc_name = NULL; /* entry not found cache NULL */
RB_INSERT(ct_login_cache_tree, &ct_login_cache, entry);
return entry->lc_name;
}
int
main(int argc, char **argv)
{
struct ct_global_state *state = NULL;
char *config_file = NULL;
uint32_t cflags = CLOG_F_ENABLE | CLOG_F_STDERR;
uint64_t debug_mask = 0;
int ret;
char *ctfile;
/* setup arguments */
ct_setup_preinit(CT_INIT_ASSL | CT_INIT_CLOG | CT_INIT_EXUDE,
cflags, debug_mask);
if (argc < 2) {
CFATALX("usage: %s <metadata file tag>", __progname);
}
ctfile = e_strdup(argv[1]); /* metadata file tag */
ct_setup_config(config_file, &state);
ret = ct_do_delete(state, ctfile, CT_MATCH_GLOB);
ct_cleanup_all(state, config_file);
if (ctfile)
e_free(&ctfile);
return (ret);
}
int
ct_extract_setup(struct ct_extract_head *extract_head,
struct ctfile_parse_state *ctx, const char *file,
const char *ctfile_basedir, int *is_allfiles)
{
struct ct_extract_stack *nfile;
char *prevlvl;
int ret;
if ((ret = ctfile_parse_init(ctx, file, ctfile_basedir)) != 0)
return (ret);
*is_allfiles = (ctx->xs_gh.cmg_flags & CT_MD_MLB_ALLFILES);
if (ctx->xs_gh.cmg_prevlvl_filename) {
nfile = e_malloc(sizeof(*nfile));
nfile->filename = e_strdup(file);
TAILQ_INSERT_HEAD(extract_head, nfile, next);
prevlvl = e_strdup(ctx->xs_gh.cmg_prevlvl_filename);
ctfile_parse_close(ctx);
if ((ret = ct_extract_setup_queue(extract_head, ctx, prevlvl,
ctfile_basedir, *is_allfiles)) != 0) {
int s_errno = errno;
/* unwind */
e_free(&prevlvl);
ct_extract_cleanup_queue(extract_head);
errno = s_errno;
return (ret);
}
e_free(&prevlvl);
if (*is_allfiles) {
ctfile_parse_close(ctx);
/* reopen first file */
ret = ct_extract_open_next(extract_head, ctx);
}
}
return (ret);
}
static int
ct_extract_setup_queue(struct ct_extract_head *extract_head,
struct ctfile_parse_state *ctx, const char *file,
const char *ctfile_basedir, int is_allfiles)
{
char *prevlvl;
struct ct_extract_stack *nfile;
int ret;
if ((ret = ctfile_parse_init(ctx, file, ctfile_basedir)) != 0)
return (ret);
if (ctx->xs_gh.cmg_prevlvl_filename) {
/* need to nest another level deep.*/
nfile = e_malloc(sizeof(*nfile));
nfile->filename = e_strdup(file);
if (is_allfiles)
TAILQ_INSERT_TAIL(extract_head, nfile, next);
else
TAILQ_INSERT_HEAD(extract_head, nfile, next);
prevlvl = e_strdup(ctx->xs_gh.cmg_prevlvl_filename);
ctfile_parse_close(ctx);
ct_extract_setup_queue(extract_head, ctx, prevlvl,
ctfile_basedir, is_allfiles);
e_free(&prevlvl);
} else if (is_allfiles) {
/*
* Allfiles we work backwards down the chain, without it
* we work at the end and go backwards. Since this is the last
* entry we only need it for allfiles mode.
*/
nfile = e_malloc(sizeof(*nfile));
nfile->filename = e_strdup(file);
TAILQ_INSERT_TAIL(extract_head, nfile, next);
}
return (0);
}
char *
e_file_get_dir(char *file)
{
char *p;
char *f;
char buf[PATH_MAX];
D_ENTER;
strcpy(buf, file);
p = strrchr(buf, '/');
if (!p)
{
e_strdup(f, file);
D_RETURN_(f);
}
*p = 0;
e_strdup(f, buf);
D_RETURN_(f);
}
Evas_List *
e_file_ls(char *dir)
{
DIR *dirp;
struct dirent *dp;
Evas_List * list;
D_ENTER;
dirp = opendir(dir);
if (!dirp) D_RETURN_(NULL);
list = NULL;
while ((dp = readdir(dirp)))
{
if ((strcmp(dp->d_name, ".")) &&
(strcmp(dp->d_name, "..")))
{
Evas_List * l;
char *f;
/* insertion sort */
for (l = list; l; l = l->next)
{
if (strcmp(l->data, dp->d_name) > 0)
{
e_strdup(f, dp->d_name);
list = evas_list_prepend_relative(list, f, l->data);
break;
}
}
/* nowhwre to go? just append it */
e_strdup(f, dp->d_name);
if (!l) list = evas_list_append(list, f);
}
}
closedir(dirp);
D_RETURN_(list);
}
char *
e_file_realpath(char *file)
{
char buf[PATH_MAX];
char *f;
D_ENTER;
if (!realpath(file, buf)) D_RETURN_(strdup(""));
e_strdup(f, buf);
D_RETURN_(f);
}
void
ct_match_insert_rb(struct ct_match *match, char *string)
{
struct ct_match_node *n;
if (match->cm_mode != CT_MATCH_RB)
CABORTX("match mode %d is not rb", match->cm_mode);
n = e_calloc(1, sizeof(struct ct_match_node));
n->cmn_string = e_strdup(string);
if (RB_INSERT(ct_match_tree, match->cm_rb_head, n)) {
/* pattern already exists free it */
e_free(&n->cmn_string);
e_free(&n);
}
}
char *
e_file_readlink(char *link)
{
char buf[PATH_MAX];
char *f;
int count;
D_ENTER;
if ((count = readlink(link, buf, sizeof(buf))) < 0) D_RETURN_(NULL);
buf[count] = 0;
e_strdup(f, buf);
D_RETURN_(f);
}
/*
* filenames passed in remote mode are opaque tags for the backup.
* they are stored on the server and in remote mode in the form
* YYYYMMDD-HHMMSS-<strnvis(mname)>
*/
void
ctfile_find_for_extract(struct ct_global_state *state, struct ct_op *op)
{
struct ct_ctfile_find_args *ccfa = op->op_args;
const char *ctfile = ccfa->ccfa_tag;
struct ct_op *list_fakeop;
struct ct_ctfile_list_args *ccla;
if (state->ct_dying != 0) {
/* nothing to clean up */
return;
}
/* cook the ctfile so we only search for the actual tag */
if ((ctfile = ctfile_cook_name(ctfile)) == NULL) {
ct_fatal(state, ccfa->ccfa_tag, CTE_INVALID_CTFILE_NAME);
return;
}
list_fakeop = e_calloc(1, sizeof(*list_fakeop));
ccla = e_calloc(1, sizeof(*ccla));
list_fakeop->op_args = ccla;
ccla->ccla_search = e_calloc(2, sizeof(char **));
if (ctfile_is_fullname(ctfile)) {
/* use list as stat() for now */
*ccla->ccla_search = e_strdup(ctfile);
ccla->ccla_matchmode = CT_MATCH_GLOB;
} else {
e_asprintf(ccla->ccla_search,
"^[[:digit:]]{8}-[[:digit:]]{6}-%s$", ctfile);
ccla->ccla_matchmode = CT_MATCH_REGEX;
/*
* get the list of files matching this tag from the server.
* list returns an empty list if it found
* nothing and NULL upon failure.
*/
}
e_free(&ctfile);
CNDBG(CT_LOG_CTFILE, "looking for %s", ccla->ccla_search[0]);
op->op_priv = list_fakeop;
ctfile_list_start(state, list_fakeop);
return;
}
int
ct_match_compile(struct ct_match **matchp, int mode, char **flist)
{
struct ct_match *match;
int i, ret;
match = e_calloc(1, sizeof(*match));
match->cm_mode = mode;
switch (mode) {
case CT_MATCH_EVERYTHING:
ret = 0;
break;
case CT_MATCH_REGEX:
match->cm_regex = e_calloc(1, sizeof(regex_t));
ret = ct_regex_comp(match->cm_regex, flist);
break;
case CT_MATCH_RB:
match->cm_rb_head = e_calloc(1, sizeof(*match->cm_rb_head));
ret = ct_rb_comp(match->cm_rb_head, flist);
break;
case CT_MATCH_GLOB:
for (i = 0; flist[i] != NULL; i++)
if (flist[i] == NULL)
break;
if (i == 0) {
ret = 0;
break;
}
i++; /* extra NULL */
match->cm_glob = e_calloc(i, sizeof(char *));
for (i = 0; flist[i] != NULL; i++) {
if (flist[i] == NULL)
break;
match->cm_glob[i] = e_strdup(flist[i]);
}
ret = 0;
break;
default:
CABORTX("invalid match mode");
}
*matchp = match;
return (ret);
}
void
ct_extract_insert_entry(struct ct_pending_files *head, struct fnode *fnode)
{
struct ct_pending_file *cpf;
CNDBG(CT_LOG_FILE, "%s: inserting %s", __func__, fnode->fn_fullname);
cpf = e_calloc(1, sizeof(*cpf));
cpf->cpf_name = e_strdup(fnode->fn_fullname);
cpf->cpf_uid = fnode->fn_uid;
cpf->cpf_gid = fnode->fn_gid;
cpf->cpf_mode = fnode->fn_mode;
cpf->cpf_mtime = fnode->fn_mtime;
cpf->cpf_atime = fnode->fn_atime;
TAILQ_INIT(&cpf->cpf_links);
RB_INSERT(ct_pending_files, head, cpf);
}
struct ctdb_state *
ctdb_setup(const char *path, int crypt_enabled)
{
struct ctdb_state *state;
if (path == NULL)
return (NULL);
state = e_calloc(1, sizeof(*state));
state->ctdb_genid = -1;
state->ctdb_crypt = crypt_enabled;
state->ctdb_dbfile = e_strdup(path);
if (ctdb_open(state) != 0) {
e_free(&state->ctdb_dbfile);
e_free(&state);
}
return (state);
}
int
ct_rb_comp(struct ct_match_tree *head, char **flist)
{
int i;
struct ct_match_node *n;
for (i = 0; flist[i] != NULL; i++) {
if (flist[i] == NULL)
break;
n = e_calloc(1, sizeof(struct ct_match_node));
n->cmn_string = e_strdup(flist[i]);
if (RB_INSERT(ct_match_tree, head, n)) {
/* pattern already exists free it */
e_free(&n->cmn_string);
e_free(&n);
continue;
}
}
return (0);
}
int
ct_main(int argc, char **argv)
{
struct ct_extract_args cea;
struct ct_archive_args caa;
struct ct_ctfileop_args cca;
struct ct_ctfile_list_args ccla;
struct ct_ctfile_delete_args ccda;
struct ct_global_state *state = NULL;
struct ct_config *conf;
char *ct_tdir = NULL;
char *ct_basisbackup = NULL;
char *ctfile = NULL;
char *ct_includefile = NULL;
char *ct_excludefile = NULL;
char *configfile = NULL, *config_file = NULL;
char *basisfile = NULL;
char *debugstring = NULL;
char **excludelist = NULL;
char **includelist = NULL;
uint64_t debug_mask = 0;
uint32_t cflags = CLOG_F_ENABLE | CLOG_F_STDERR;
int ct_metadata = 0;
int ct_match_mode = CT_MATCH_GLOB;
int c;
int ret = 0;
int level0 = 0;
int freeincludes = 0;
int no_cross_mounts = 0;
int strip_slash = 1;
int follow_root_symlink = 0;
int follow_symlinks = 0;
int attr = 0;
int verbose_ratios = 0;
int ct_flags = 0;
while ((c = getopt(argc, argv,
"AB:C:D:E:F:HI:PRVXacdef:hmprtvx0")) != -1) {
switch (c) {
case 'A':
/* noop, deprecated */
break;
case 'B':
basisfile = optarg;
break;
case 'C':
ct_tdir = optarg;
break;
case 'D':
if (debugstring != NULL)
CFATALX("only one -D argument is valid");
debugstring = optarg;
break;
case 'E':
ct_excludefile = optarg;
break;
case 'F':
configfile = optarg;
break;
case 'H':
follow_root_symlink = 1;
break;
case 'I':
ct_includefile = optarg;
break;
case 'P':
strip_slash = 0;
break;
case 'R':
verbose_ratios = 1;
break;
case 'V':
show_version();
exit(0);
break;
case 'X':
no_cross_mounts = 1;
break;
case 'a':
/* noop, deprecated */
break;
case 'c':
if (ct_action)
CFATALX("cannot mix operations, -c -e -t -x");
ct_action = CT_A_ARCHIVE;
break;
case 'e':
if (ct_action)
CFATALX("cannot mix operations, -c -e -t -x");
ct_action = CT_A_ERASE;
break;
case 'f': /* metadata file */
ctfile = optarg;
break;
case 'h':
follow_symlinks = 1;
break;
case 'm': /* metadata processing - XXX temporary? */
ct_metadata = 1;
break;
case 'r':
ct_match_mode = CT_MATCH_REGEX;
break;
case 'p':
attr = 1;
break;
case 't':
if (ct_action)
CFATALX("cannot mix operations, -c -e -t -x");
ct_action = CT_A_LIST;
break;
case 'v':
ct_verbose++;
break;
case 'x':
if (ct_action)
CFATALX("cannot mix operations, -c -e -t -x");
ct_action = CT_A_EXTRACT;
break;
case '0':
level0 = 1;
break;
default:
ct_usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (debugstring) {
cflags |= CLOG_F_DBGENABLE | CLOG_F_FILE | CLOG_F_FUNC |
CLOG_F_LINE | CLOG_F_DTIME;
exude_enable(CT_LOG_EXUDE);
#if CT_ENABLE_THREADS
exude_enable_threads();
#endif
debug_mask |= ct_get_debugmask(debugstring);
}
/* please don't delete this line AGAIN! --mp */
if (clog_set_flags(cflags))
errx(1, "illegal clog flags");
clog_set_mask(debug_mask);
/* We can allocate these now that we've decided if we need exude */
if (configfile)
config_file = e_strdup(configfile);
if (basisfile)
ct_basisbackup = e_strdup(basisfile);
if (ct_includefile != NULL) {
int nentries;
if ((ct_action == CT_A_LIST || ct_action == CT_A_EXTRACT) &&
argc != 0)
CFATALX("-I is invalid when a pattern is "
"provided on the command line");
includelist = ct_matchlist_fromfile(ct_includefile,
&nentries);
if (nentries == -1)
CFATAL("can't get includelist from %s",
ct_includefile);
freeincludes = 1;
} else if ((ct_action == CT_A_LIST || ct_action == CT_A_EXTRACT)) {
includelist = argv;
}
if (ct_excludefile != NULL) {
int nentries;
excludelist = ct_matchlist_fromfile(ct_excludefile, &nentries);
if (nentries == -1)
CFATAL("can't get excludelsit from %s", ct_excludefile);
}
if ((ret = ct_load_config(&conf, &config_file)) != 0) {
CFATALX("%s", ct_strerror(ret));
}
if (!(ct_metadata && (ct_action == CT_A_LIST ||
ct_action == CT_A_ERASE))) {
if (ctfile == NULL) {
CWARNX("ctfile is required");
ct_usage();
}
if (conf->ct_ctfile_mode == CT_MDMODE_REMOTE &&
ctfile_verify_name(ctfile))
CFATALX("invalid ctfile: %s", ctfile);
}
/*
* !metadata extract with no args extracts everything.
* and all lists show everything if not filtered
*/
if (((ct_metadata == 0 && ct_action == CT_A_EXTRACT) ||
ct_action == CT_A_LIST) && argc == 0)
ct_match_mode = CT_MATCH_EVERYTHING;
if (level0)
conf->ct_auto_incremental = 0; /* force incremental off */
if (conf->ct_ctfile_mode == CT_MDMODE_REMOTE && ct_metadata == 0 &&
ct_basisbackup != NULL)
CFATALX("incremental basis in remote mode");
/* Don't bother starting a connection if just listing local files. */
if (ct_action == CT_A_LIST &&
conf->ct_ctfile_mode == CT_MDMODE_LOCAL &&
ct_metadata == 0 ) {
ret = ct_list(ctfile, includelist, excludelist,
ct_match_mode, NULL, strip_slash, ct_verbose);
goto out;
}
ct_prompt_for_login_password(conf);
if (ct_action == CT_A_EXTRACT ||
ct_action == CT_A_ARCHIVE || (ct_action == CT_A_LIST &&
conf->ct_ctfile_mode == CT_MDMODE_REMOTE && ct_metadata == 0) ||
ct_action == CT_A_ERASE)
ct_flags |= CT_NEED_SECRETS;
if (ct_action == CT_A_ARCHIVE)
ct_flags |= CT_NEED_DB;
if ((ret = ct_init(&state, conf, ct_flags, ct_info_sig)) != 0)
CFATALX("failed to initialise cyphertite: %s",
ct_strerror(ret));
#if defined(CT_EXT_INIT)
CT_EXT_INIT(state);
#endif
if (conf->ct_crypto_passphrase != NULL &&
conf->ct_secrets_upload != 0) {
ct_add_operation(state, ctfile_list_start,
ct_check_secrets_extract, conf->ct_crypto_secrets);
}
if (ct_action == CT_A_EXTRACT)
ct_set_log_fns(state, &ct_verbose, ct_print_ctfile_info,
ct_print_file_start, ct_print_file_end,
ct_print_traverse_start, ct_print_traverse_end);
else if (ct_action == CT_A_ARCHIVE)
ct_set_log_fns(state, &ct_verbose, ct_print_ctfile_info,
ct_pr_fmt_file, ct_pr_fmt_file_end,
ct_print_traverse_start, ct_print_traverse_end);
if (conf->ct_ctfile_mode == CT_MDMODE_REMOTE && ct_metadata == 0) {
switch (ct_action) {
case CT_A_EXTRACT:
case CT_A_LIST:
cea.cea_local_ctfile = NULL; /* to be found */
cea.cea_filelist = includelist;
cea.cea_excllist = excludelist;
cea.cea_matchmode = ct_match_mode;
cea.cea_ctfile_basedir = conf->ct_ctfile_cachedir;
cea.cea_tdir = ct_tdir;
cea.cea_strip_slash = strip_slash;
cea.cea_attr = attr;
cea.cea_follow_symlinks = follow_symlinks;
cea.cea_log_state = &ct_verbose;
cea.cea_log_chown_failed =
ct_print_extract_chown_failed;
ctfile_find_for_operation(state, ctfile,
((ct_action == CT_A_EXTRACT) ?
ctfile_nextop_extract : ctfile_nextop_list),
&cea, 1, 0);
break;
case CT_A_ARCHIVE:
ct_normalize_filelist(argv);
caa.caa_filelist = argv;
caa.caa_excllist = excludelist;
caa.caa_matchmode = ct_match_mode;
caa.caa_includelist = includelist;
caa.caa_tdir = ct_tdir;
caa.caa_tag = ctfile;
caa.caa_ctfile_basedir = conf->ct_ctfile_cachedir;
/* we want to encrypt as long as we have keys */
caa.caa_no_cross_mounts = no_cross_mounts;
caa.caa_strip_slash = strip_slash;
caa.caa_follow_root_symlink = follow_root_symlink;
caa.caa_follow_symlinks = follow_symlinks;
caa.caa_max_incrementals = conf->ct_max_incrementals;
if (conf->ct_auto_incremental)
/*
* Need to work out basis filename and
* download it if necessary
*/
ctfile_find_for_operation(state, ctfile,
ctfile_nextop_archive, &caa, 0, 1);
else {
/* No basis, just start the op */
ctfile_nextop_archive(state, NULL, &caa);
}
break;
default:
CWARNX("invalid action");
ct_usage();
/* NOTREACHED */
break;
}
} else if (ct_metadata != 0) {
if (ct_action == CT_A_ARCHIVE || ct_action == CT_A_EXTRACT) {
cca.cca_localname = ctfile;
cca.cca_remotename = NULL;
cca.cca_tdir = ct_tdir;
cca.cca_cleartext = 0;
cca.cca_ctfile = 1;
/* only matters for archive */
ct_add_operation(state,
((ct_action == CT_A_ARCHIVE) ?
ctfile_archive : ctfile_extract),
ctfile_op_cleanup, &cca);
} else if (ct_action == CT_A_ERASE) {
if (ctfile != NULL)
CFATALX("-f is not permitted with -me operation");
if (argc == 0)
CFATALX("no files specified");
ccda.ccda_pattern = argv;
ccda.ccda_matchmode = ct_match_mode;
ccda.ccda_callback = ct_print_delete;
ct_add_operation(state, ctfile_list_start,
ctfile_process_delete, &ccda);
} else if (ct_action == CT_A_LIST) {
ccla.ccla_search = includelist;
ccla.ccla_exclude = excludelist;
ccla.ccla_matchmode = ct_match_mode;
ct_add_operation(state, ctfile_list_start,
ctfile_list_print, &ccla);
} else {
CWARNX("must specify action");
ct_usage();
/* NOTREACHED */
}
} else {
/* list is handled above */
if (ct_action == CT_A_ARCHIVE) {
caa.caa_local_ctfile = ctfile;
ct_normalize_filelist(argv);
caa.caa_filelist = argv;
caa.caa_excllist = excludelist;
caa.caa_matchmode = ct_match_mode;
caa.caa_includelist = includelist;
caa.caa_tdir = ct_tdir;
caa.caa_tag = ctfile;
caa.caa_ctfile_basedir = NULL;
/* we want to encrypt as long as we have keys */
caa.caa_no_cross_mounts = no_cross_mounts;
caa.caa_strip_slash = strip_slash;
caa.caa_follow_root_symlink = follow_root_symlink;
caa.caa_follow_symlinks = follow_symlinks;
caa.caa_max_incrementals = 0; /* unlimited */
caa.caa_basis = ct_basisbackup;
ct_add_operation(state, ct_archive, NULL, &caa);
} else if (ct_action == CT_A_EXTRACT) {
cea.cea_local_ctfile = ctfile;
cea.cea_filelist = includelist;
cea.cea_excllist = excludelist;
cea.cea_matchmode = ct_match_mode;
cea.cea_ctfile_basedir = NULL;
cea.cea_tdir = ct_tdir;
cea.cea_strip_slash = strip_slash;
cea.cea_attr = attr;
cea.cea_follow_symlinks = follow_symlinks;
cea.cea_log_state = &ct_verbose;
cea.cea_log_chown_failed =
ct_print_extract_chown_failed;
ct_add_operation(state, ct_extract, NULL, &cea);
} else {
CWARNX("must specify action");
ct_usage();
/* NOTREACHED */
}
}
ct_wakeup_file(state->event_state);
if ((ret = ct_run_eventloop(state)) != 0) {
if (state->ct_errmsg[0] != '\0')
CWARNX("%s: %s", state->ct_errmsg,
ct_strerror(ret));
else
CWARNX("%s", ct_strerror(ret));
return (ret);
}
if (verbose_ratios)
ct_dump_stats(state, stdout);
ct_cleanup_login_cache();
ct_cleanup(state);
out:
if (includelist && freeincludes == 1)
ct_matchlist_free(includelist);
if (excludelist)
ct_matchlist_free(excludelist);
if (conf->ct_ctfile_mode == CT_MDMODE_REMOTE && ct_metadata == 0)
ctfile_trim_cache(conf->ct_ctfile_cachedir,
conf->ct_ctfile_max_cachesize);
ct_unload_config(config_file, conf);
#if CT_CHECK_MEMORY
e_check_memory();
#endif
exude_cleanup();
return (ret);
}
/*
* List has completed.
*
* Select the best filename for download, and download it if missing.
*/
int
ctfile_find_for_extract_complete(struct ct_global_state *state,
struct ct_op *op)
{
struct ct_ctfile_find_args *ccfa = op->op_args;
struct ct_ctfile_find_fileop_args *ccffa;
struct ct_op *list_fakeop = op->op_priv;
struct ct_ctfile_list_args *ccla = list_fakeop->op_args;
struct ctfile_list_tree result;
struct ctfile_list_file *tmp;
char *best = NULL;
int ret = 0;
RB_INIT(&result);
ctfile_list_complete(&state->ctfile_list_files, ccla->ccla_matchmode,
ccla->ccla_search, ccla->ccla_exclude, &result);
e_free(ccla->ccla_search);
e_free(&ccla->ccla_search);
e_free(&ccla);
e_free(&list_fakeop);
/*
* Prepare arguments for next operation.
* either we'll download the next file, or skip straight to
* the callback for after the download, either way we need the nextop
*/
ccffa = e_calloc(1, sizeof(*ccffa));
ccffa->ccffa_nextop = ccfa->ccfa_nextop;
ccffa->ccffa_nextop_args = ccfa->ccfa_nextop_args;
ccffa->ccffa_download_chain = ccfa->ccfa_download_chain;
/* grab the newest one */
if ((tmp = RB_MAX(ctfile_list_tree, &result)) == NULL) {
if (ccfa->ccfa_empty_ok)
goto do_operation;
else {
CWARNX("%s: %s", ccfa->ccfa_tag,
ct_strerror(CTE_NO_SUCH_BACKUP));
ret = CTE_NO_SUCH_BACKUP;
e_free(&ccffa);
goto out;
}
}
/* pick the newest one */
best = e_strdup(tmp->mlf_name);
CNDBG(CT_LOG_CTFILE, "backup file is %s", best);
while ((tmp = RB_ROOT(&result)) != NULL) {
RB_REMOVE(ctfile_list_tree, &result, tmp);
e_free(&tmp);
}
/*
* if the metadata file is not in the cache directory then we
* need to download it first. if we need to recursively download
* an incremental chain then that code will handle scheduling
* those operations too. If we have it, we still need to check
* that all others in the chain exist, however.
*/
if (!ctfile_in_cache(best, ccfa->ccfa_cachedir)) {
ccffa->ccffa_base.cca_localname = best;
ccffa->ccffa_base.cca_tdir = ccfa->ccfa_cachedir;
ccffa->ccffa_base.cca_remotename = e_strdup(best);
ccffa->ccffa_base.cca_ctfile = 1;
ct_add_operation(state, ctfile_extract, ctfile_extract_nextop,
ccffa);
} else {
do_operation:
/*
* No download needed, fake the next operation callback
* to see if we need anymore.
*/
ccffa->ccffa_base.cca_localname = best;
ccffa->ccffa_base.cca_tdir = ccfa->ccfa_cachedir;
ccffa->ccffa_base.cca_ctfile = 1;
op->op_args = ccffa;
ctfile_extract_nextop(state, op);
}
out:
e_free(&ccfa);
return (ret);
}
/*
* Extract an individual file that has been passed into the op by op_priv.
*/
void
ct_extract_file(struct ct_global_state *state, struct ct_op *op)
{
struct ct_extract_file_args *cefa = op->op_args;
struct ct_file_extract_priv *ex_priv = op->op_priv;
const char *localfile = cefa->cefa_filename;
struct ct_trans *trans;
int ret;
char shat[SHA_DIGEST_STRING_LENGTH];
if (state->ct_dying != 0)
goto dying;
CNDBG(CT_LOG_TRANS, "entry");
switch (ct_get_file_state(state)) {
case CT_S_STARTING:
CNDBG(CT_LOG_TRANS, "starting");
ex_priv = e_calloc(1, sizeof(*ex_priv));
/* open file and seek to beginning of file */
if ((ret = ctfile_parse_init_at(&ex_priv->xdr_ctx,
cefa->cefa_ctfile, NULL, cefa->cefa_ctfile_off)) != 0) {
/* XXX add pathname */
ct_fatal(state, "Can't open ctfile", ret);
e_free(&ex_priv);
goto dying;
}
/* XXX we should handle this better */
if (state->ct_max_block_size <
ex_priv->xdr_ctx.xs_gh.cmg_chunk_size)
CABORTX("block size negotiated with server %d is "
"smaller than file max block size %d",
state->ct_max_block_size,
ex_priv->xdr_ctx.xs_gh.cmg_chunk_size);
if ((ret = ct_file_extract_init(&state->extract_state,
NULL, 0, 0, 0, NULL, NULL)) != 0) {
ct_fatal(state, "Can not initialise extract state",
ret);
e_free(&ex_priv);
goto dying;
}
op->op_priv = ex_priv;
break;
case CT_S_FINISHED:
return;
default:
break;
}
ct_set_file_state(state, CT_S_RUNNING);
while (1) {
if ((trans = ct_trans_alloc(state)) == NULL) {
CNDBG(CT_LOG_TRANS, "ran out of transactions, waiting");
ct_set_file_state(state, CT_S_WAITING_TRANS);
return;
}
trans->tr_statemachine = ct_state_extract;
if (ex_priv->done) {
CNDBG(CT_LOG_CTFILE, "Hit end of ctfile");
ctfile_parse_close(&ex_priv->xdr_ctx);
e_free(&ex_priv);
op->op_priv = NULL;
trans->tr_state = TR_S_DONE;
trans->tr_complete = ct_extract_complete_done;
trans->tr_cleanup = ct_extract_cleanup_done;
ct_queue_first(state, trans);
CNDBG(CT_LOG_TRANS, "extract finished");
ct_set_file_state(state, CT_S_FINISHED);
return;
}
/* unless start of file this is right */
trans->tr_fl_node = ex_priv->fl_ex_node;
switch ((ret = ctfile_parse(&ex_priv->xdr_ctx))) {
case XS_RET_FILE:
CNDBG(CT_LOG_CTFILE, "opening file");
if (ex_priv->xdr_ctx.xs_hdr.cmh_nr_shas == -1)
CABORTX("can't extract file with -1 shas");
trans = ct_trans_realloc_local(state, trans);
trans->tr_fl_node = ex_priv->fl_ex_node =
ct_alloc_fnode();
/* Make it local directory, it won't be set up right. */
ex_priv->xdr_ctx.xs_hdr.cmh_parent_dir = -1;
/*
* Allfiles doesn't matter, only processing one file.
* We have a full path to extract to so always strip
* slash.
*/
ct_populate_fnode(state->extract_state,
&ex_priv->xdr_ctx, trans->tr_fl_node,
&trans->tr_state, 0, 1);
if (trans->tr_state == TR_S_EX_SPECIAL) {
trans->tr_complete =
ct_extract_complete_special;
} else {
trans->tr_complete =
ct_extract_complete_file_start;
}
trans->tr_cleanup = ct_extract_cleanup_fnode;
e_free(&trans->tr_fl_node->fn_fullname);
trans->tr_fl_node->fn_fullname = e_strdup(localfile);
e_free(&trans->tr_fl_node->fn_name);
trans->tr_fl_node->fn_name = e_strdup(localfile);
/* Set name pointer to something else passed in */
CNDBG(CT_LOG_CTFILE, "file %s numshas %" PRId64,
trans->tr_fl_node->fn_fullname,
ex_priv->xdr_ctx.xs_hdr.cmh_nr_shas);
/*
* special files we give our refcount up
* regular files we need a new one since we need to
* keep ours.
*/
if (trans->tr_state != TR_S_EX_SPECIAL) {
ct_ref_fnode(trans->tr_fl_node);
} else {
ex_priv->fl_ex_node = NULL;
}
break;
case XS_RET_SHA:
CNDBG(CT_LOG_SHA, "sha!");
if (ex_priv->xdr_ctx.xs_gh.cmg_flags & CT_MD_CRYPTO) {
/*
* yes csha and sha are reversed, we want
* to download csha, but putting it in sha
* simplifies the code
*/
bcopy(ex_priv->xdr_ctx.xs_sha, trans->tr_csha,
sizeof(trans->tr_csha));
bcopy(ex_priv->xdr_ctx.xs_csha, trans->tr_sha,
sizeof(trans->tr_sha));
bcopy(ex_priv->xdr_ctx.xs_iv, trans->tr_iv,
sizeof(trans->tr_iv));
} else {
bcopy(ex_priv->xdr_ctx.xs_sha, trans->tr_sha,
sizeof(trans->tr_sha));
}
if (clog_mask_is_set(CT_LOG_SHA)) {
ct_sha1_encode(trans->tr_sha, shat);
CNDBG(CT_LOG_SHA, "extracting sha %s", shat);
}
trans->tr_state = TR_S_EX_SHA;
trans->tr_complete = ct_extract_complete_file_read;
trans->tr_cleanup = ct_extract_cleanup_fnode;
trans->tr_dataslot = 0;
ct_ref_fnode(trans->tr_fl_node);
break;
case XS_RET_FILE_END:
trans = ct_trans_realloc_local(state, trans);
trans->tr_fl_node = ex_priv->fl_ex_node; /* reload */
CNDBG(CT_LOG_CTFILE, "file end!");
bcopy(ex_priv->xdr_ctx.xs_trl.cmt_sha, trans->tr_sha,
sizeof(trans->tr_sha));
trans->tr_state = TR_S_EX_FILE_END;
trans->tr_complete = ct_extract_complete_file_end;
trans->tr_cleanup = ct_extract_cleanup_fnode;
trans->tr_fl_node->fn_size =
ex_priv->xdr_ctx.xs_trl.cmt_orig_size;
/* Done now, don't parse further. */
ex_priv->done = 1;
/*
* no reference here since we give our reference to the
* last transaction on that file.
*/
ex_priv->fl_ex_node = NULL;
break;
case XS_RET_FAIL:
ct_fatal(state, "Failed to parse ctfile",
ex_priv->xdr_ctx.xs_errno);
goto dying;
break;
default:
CABORTX("%s: invalid state %d", __func__, ret);
}
ct_queue_first(state, trans);
}
return;
dying:
if (ex_priv) {
ctfile_parse_close(&ex_priv->xdr_ctx);
if (ex_priv->fl_ex_node != NULL) {
ct_free_fnode(ex_priv->fl_ex_node);
}
e_free(&ex_priv);
/* will be cleaned up by trans if ex_priv already gone */
if (state->extract_state)
ct_file_extract_cleanup(state->extract_state);
}
return;
}
/*
* Download all dependent ctfiles of the current ctfile.
* (called repeatedly until all are fetched).
*/
int
ctfile_download_next(struct ct_global_state *state, struct ct_op *op)
{
struct ct_ctfileop_args *cca = op->op_args, *nextcca;
const char *ctfile = cca->cca_localname;
const char *rfile = cca->cca_remotename;
char *prevfile;
char *cookedname;
int ret = 0;
again:
CNDBG(CT_LOG_CTFILE, "ctfile %s", ctfile);
if ((ret = ctfile_get_previous(ctfile, cca->cca_tdir,
&prevfile)) != 0) {
CWARNX("can not get previous filename for %s", ctfile);
/* error output will happen when even loop returns */
goto out;
}
if (prevfile == NULL) /* done with this chain */
goto out;
if (prevfile[0] != '\0') {
if ((cookedname = ctfile_cook_name(prevfile)) == NULL) {
CWARNX("%s: %s", prevfile,
ct_strerror(CTE_INVALID_CTFILE_NAME));
ret = CTE_INVALID_CTFILE_NAME;
e_free(&prevfile);
goto out;
}
CNDBG(CT_LOG_CTFILE, "prev file %s cookedname %s", prevfile,
cookedname);
if (!ctfile_in_cache(cookedname, cca->cca_tdir)) {
nextcca = e_calloc(1, sizeof(*nextcca));
nextcca->cca_localname = cookedname;
nextcca->cca_remotename = e_strdup(cookedname);
nextcca->cca_tdir = cca->cca_tdir;
nextcca->cca_ctfile = 1;
ct_add_operation_after(state, op, ctfile_extract,
ctfile_download_next, nextcca);
} else {
if (ctfile)
e_free(&ctfile);
if (rfile)
e_free(&rfile);
e_free(&cookedname);
ctfile = prevfile;
goto again;
}
} else
e_free(&prevfile);
out:
if (ctfile)
e_free(&ctfile);
if (rfile)
e_free(&rfile);
e_free(&cca);
return (ret);
}
static void
read_config( char* filename )
{
FILE* fp;
char line[10000];
char* cp;
char* cp2;
char* name;
char* value;
fp = fopen( filename, "r" );
if ( fp == (FILE*) 0 )
{
perror( filename );
exit( 1 );
}
while ( fgets( line, sizeof(line), fp ) != (char*) 0 )
{
/* Trim comments. */
if ( ( cp = strchr( line, '#' ) ) != (char*) 0 )
*cp = '\0';
/* Split line into words. */
for ( cp = line; *cp != '\0'; cp = cp2 )
{
/* Skip leading whitespace. */
cp += strspn( cp, " \t\n\r" );
/* Find next whitespace. */
cp2 = cp + strcspn( cp, " \t\n\r" );
/* Insert EOS and advance next-word pointer. */
while ( *cp2 == ' ' || *cp2 == '\t' || *cp2 == '\n' || *cp2 == '\r' )
*cp2++ = '\0';
/* Split into name and value. */
name = cp;
value = strchr( name, '=' );
if ( value != (char*) 0 )
*value++ = '\0';
/* Interpret. */
if ( strcasecmp( name, "debug" ) == 0 )
{
no_value_required( name, value );
debug = 1;
}
else if ( strcasecmp( name, "port" ) == 0 )
{
value_required( name, value );
port = atoi( value );
}
else if ( strcasecmp( name, "dir" ) == 0 )
{
value_required( name, value );
dir = e_strdup( value );
}
else if ( strcasecmp( name, "chroot" ) == 0 )
{
no_value_required( name, value );
do_chroot = 1;
no_symlink = 1;
}
else if ( strcasecmp( name, "nochroot" ) == 0 )
{
no_value_required( name, value );
do_chroot = 0;
no_symlink = 0;
}
else if ( strcasecmp( name, "symlink" ) == 0 )
{
no_value_required( name, value );
no_symlink = 0;
}
else if ( strcasecmp( name, "nosymlink" ) == 0 )
{
no_value_required( name, value );
no_symlink = 1;
}
else if ( strcasecmp( name, "symlinks" ) == 0 )
{
no_value_required( name, value );
no_symlink = 0;
}
else if ( strcasecmp( name, "nosymlinks" ) == 0 )
{
no_value_required( name, value );
no_symlink = 1;
}
else if ( strcasecmp( name, "user" ) == 0 )
{
value_required( name, value );
user = e_strdup( value );
}
else if ( strcasecmp( name, "cgipat" ) == 0 )
{
value_required( name, value );
cgi_pattern = e_strdup( value );
}
else if ( strcasecmp( name, "urlpat" ) == 0 )
{
value_required( name, value );
url_pattern = e_strdup( value );
}
else if ( strcasecmp( name, "noemptyreferers" ) == 0 )
{
no_value_required( name, value );
no_empty_referers = 1;
}
else if ( strcasecmp( name, "localpat" ) == 0 )
{
value_required( name, value );
local_pattern = e_strdup( value );
}
else if ( strcasecmp( name, "throttles" ) == 0 )
{
value_required( name, value );
throttlefile = e_strdup( value );
}
else if ( strcasecmp( name, "host" ) == 0 )
{
value_required( name, value );
hostname = e_strdup( value );
}
else if ( strcasecmp( name, "logfile" ) == 0 )
{
value_required( name, value );
logfile = e_strdup( value );
}
else if ( strcasecmp( name, "vhost" ) == 0 )
{
no_value_required( name, value );
do_vhost = 1;
}
else if ( strcasecmp( name, "novhost" ) == 0 )
{
no_value_required( name, value );
do_vhost = 0;
}
else if ( strcasecmp( name, "globalpasswd" ) == 0 )
{
no_value_required( name, value );
do_global_passwd = 1;
}
else if ( strcasecmp( name, "noglobalpasswd" ) == 0 )
{
no_value_required( name, value );
do_global_passwd = 0;
}
else if ( strcasecmp( name, "pidfile" ) == 0 )
{
value_required( name, value );
pidfile = e_strdup( value );
}
else if ( strcasecmp( name, "charset" ) == 0 )
{
value_required( name, value );
charset = e_strdup( value );
}
else
{
(void) fprintf(
stderr, "%s: unknown config option '%s'\n", argv0, name );
exit( 1 );
}
}
}
(void) fclose( fp );
}
/*
* Main guts of ctd_build_version_tree. Factored out to avoid deep nesting.
* Insert or update an entry in the tree with the information received from
* the ctfile.
*/
static int
ct_vertree_add(struct ct_vertree_dnode_cache *dnode_cache,
struct ct_vertree_entry *head, struct ctfile_parse_state *parse_state,
struct ct_vertree_ctfile *ctfile, off_t fileoffset, int allfiles)
{
struct ctfile_header *hdr = &parse_state->xs_hdr;
struct ctfile_header *hdrlnk= &parse_state->xs_lnkhdr;
struct dnode *dnode;
struct ct_vertree_dnode *fb_dnode;
struct ct_vertree_entry *parent = NULL, sentry, *entry;
struct ct_vertree_ver *lastver, *ver;
struct ct_vertree_file *file;
struct ct_vertree_spec *spec;
struct ct_vertree_link *linkver;
size_t sz;
bool root_dnode = false;
entry = NULL;
/* First find parent directory if any */
if (hdr->cmh_parent_dir != -1 && hdr->cmh_parent_dir != -2) {
if ((dnode = ctfile_parse_finddir(parse_state,
hdr->cmh_parent_dir)) == NULL) {
CNDBG(CT_LOG_VERTREE, "can't find dir %" PRId64,
hdr->cmh_parent_dir);
return (CTE_CTFILE_CORRUPT);
}
fb_dnode = (struct ct_vertree_dnode *)dnode;
if (fb_dnode == dnode_cache->root_dnode) {
// If we have the root dnode, store in head.
parent = head;
} else {
parent = fb_dnode->cvd_dir;
}
} else {
parent = head;
}
if (parent == head && strcmp(hdr->cmh_filename, CT_PATHSEP_STR) == 0) {
root_dnode = true;
}
/*
* Have parent node, search children to see if we already exist.
* Else make a new one and insert.
*/
sentry.cve_name = hdr->cmh_filename;
if ((entry = RB_FIND(ct_vertree_entries, &parent->cve_children,
&sentry)) == NULL) {
/* new name, insert node */
entry = e_calloc(1, sizeof(*entry));
TAILQ_INIT(&entry->cve_versions);
RB_INIT(&entry->cve_children);
entry->cve_parent = parent;
entry->cve_name = e_strdup(sentry.cve_name);
/* don't insert root dnodes, just do dnode dance */
if (root_dnode) {
goto rootdir;
}
if (RB_INSERT(ct_vertree_entries, &parent->cve_children,
entry) != NULL) {
CNDBG(CT_LOG_VERTREE, "entry %s already exists",
sentry.cve_name);
e_free(&sentry.cve_name);
goto err;
}
}
/*
* then check version tags -> head/tail if mtime and type match, we're
* good else prepare version entry.
*/
if (allfiles) {
lastver = TAILQ_FIRST(&entry->cve_versions);
} else {
lastver = TAILQ_LAST(&entry->cve_versions, ct_vertree_vers);
}
/* Don't check atime, it doesn't matter */
if (lastver != NULL && lastver->cvv_type == hdr->cmh_type &&
lastver->cvv_mtime == hdr->cmh_mtime &&
lastver->cvv_uid == hdr->cmh_uid &&
lastver->cvv_gid == hdr->cmh_gid &&
lastver->cvv_mode == hdr->cmh_mode) {
ver = lastver;
} else { /* something changed. make a new one */
if (C_ISDIR(hdr->cmh_type)) {
sz = sizeof(struct ct_vertree_dir);
} else if (C_ISBLK(hdr->cmh_type) ||
C_ISCHR(hdr->cmh_type)) {
sz = sizeof(struct ct_vertree_spec);
} else if (C_ISLINK(hdr->cmh_type)) {
sz = sizeof(struct ct_vertree_link);
} else if (C_ISREG(hdr->cmh_type)) {
sz = sizeof(struct ct_vertree_file);
} else {
CNDBG(CT_LOG_VERTREE, "invalid type %d", hdr->cmh_type);
goto err;
}
ver = e_calloc(1, sz);
ver->cvv_type = hdr->cmh_type;
ver->cvv_mtime = hdr->cmh_mtime;
ver->cvv_atime = hdr->cmh_atime;
ver->cvv_uid = hdr->cmh_uid;
ver->cvv_gid = hdr->cmh_gid;
ver->cvv_mode = hdr->cmh_mode;
/* dir handled below */
if (C_ISBLK(hdr->cmh_type) || C_ISCHR(hdr->cmh_type)) {
spec = (struct ct_vertree_spec *)ver;
spec->cvs_rdev = hdr->cmh_rdev;
} else if (C_ISLINK(hdr->cmh_type)) {
/* hardlink/symlink */
linkver = (struct ct_vertree_link *)ver;
linkver->cvl_linkname = e_strdup(hdrlnk->cmh_filename);
linkver->cvl_hardlink = !C_ISLINK(hdrlnk->cmh_type);
} else if (C_ISREG(hdr->cmh_type)) {
file = (struct ct_vertree_file *)ver;
file->cvf_nr_shas = -1;
}
if (allfiles) {
TAILQ_INSERT_HEAD(&entry->cve_versions, ver, cvv_link);
} else {
TAILQ_INSERT_TAIL(&entry->cve_versions, ver, cvv_link);
}
}
/*
* Each ctfile only has each directory referenced once, so put it
* in the cache regardless of whether it was known of before, that
* will be a previous run and the cache will have been wiped since
* then.
*/
if (C_ISDIR(hdr->cmh_type)) {
rootdir:
fb_dnode = e_calloc(1, sizeof(*fb_dnode));
fb_dnode->cvd_dnode.d_name = e_strdup(entry->cve_name);
/*
* in the root_dnode case this will be a bad pointer but it
* will never be derefed.
*/
fb_dnode->cvd_dir = entry;
if ((dnode = ctfile_parse_insertdir(parse_state,
&fb_dnode->cvd_dnode)) != NULL)
CABORTX("duplicate dentry");
TAILQ_INSERT_TAIL(&dnode_cache->cache, fb_dnode, cvd_link);
if (root_dnode) {
dnode_cache->root_dnode = fb_dnode;
}
} else if (C_ISREG(hdr->cmh_type)) {
/*
* Allfiles ctfiles may have shas == -1, so in some cases we
* may wish to update an existing file when we find the actual
* shas. It is an error to have a file node with -1 for shas
* after all metadata have been parsed. it means one was
* missing.
*/
file = (struct ct_vertree_file *)ver;
/*
* bugs in previous editions with incremental selection and
* off_t on linux mean that there are ctfiles in the wild which
* provide a list of shas in a later level when the file is
* defined in an earlier level file, also. For example for the
* same filename and date we have level 0: 3 shas, level 1: -1
* shas (i.e. in a previous level), level 2: 3 shas (same as
* level * 0). In that case we just assume that if we already
* have sha data for a file * then it is correct and we skip
* previous versions.
*/
if (file->cvf_nr_shas != -1) {
goto out;
}
/*
* previous linux off_t bugs with files over 2gb mean that there
* are sign extended ctfiles in the wild, so we count those as
* zero length for purposes of the version tree.
*/
if (hdr->cmh_nr_shas < -1) {
hdr->cmh_nr_shas = 0;
}
if (hdr->cmh_nr_shas != -1) {
file->cvf_nr_shas = hdr->cmh_nr_shas;
file->cvf_sha_offs = fileoffset;
file->cvf_file = ctfile;
if (ctfile_parse_seek(parse_state)) {
CNDBG(CT_LOG_VERTREE,
"failed to skip shas in %s",
ctfile->cvc_path);
goto err;
}
}
if (ctfile_parse(parse_state) != XS_RET_FILE_END) {
CNDBG(CT_LOG_VERTREE, "no file trailer found");
goto err;
}
file->cvf_file_size = parse_state->xs_trl.cmt_orig_size;
}
out:
/*
* If we're an explicit "/" entry then we don't want to be added to
* the tree. all our children will be added to the root entry.
*/
if (root_dnode) {
e_free(&entry);
}
return (0);
err:
if (entry != NULL)
e_free(&entry);
return (CTE_CTFILE_CORRUPT);
}
int
ct_version_tree_build(const char *filename, const char *ctfile_basedir,
struct ct_version_tree **version_tree)
{
struct ct_version_tree *tree = NULL;
struct ct_extract_head extract_head;
struct ctfile_parse_state parse_state;
struct ct_vertree_dnode_cache dnode_cache;
struct ct_vertree_dnode *dnode_entry;
struct ct_vertree_ctfile *ctfile = NULL;
struct ct_vertree_dir *root_dir;
struct ct_vertree_ver *root_version;
off_t offset;
int allfiles;
int rv = 0;
TAILQ_INIT(&extract_head);
TAILQ_INIT(&dnode_cache.cache);
dnode_cache.root_dnode = NULL;
if ((rv = ct_extract_setup(&extract_head, &parse_state, filename,
ctfile_basedir, &allfiles))) {
CNDBG(CT_LOG_VERTREE,
"failed to setup extract for filename %s: %s",
filename, ct_strerror(rv));
goto out;
}
/* Create and init ctfile cache */
tree = e_calloc(1, sizeof(*tree));
TAILQ_INIT(&tree->cvt_ctfiles);
TAILQ_INIT(&tree->cvt_head.cve_versions);
RB_INIT(&tree->cvt_head.cve_children);
tree->cvt_head.cve_name = e_strdup("/");
nextfile:
root_dir = e_calloc(1, sizeof(*root_dir));
root_version = &root_dir->cvd_base;
root_version->cvv_type = C_TY_DIR;
root_version->cvv_uid = 0;
root_version->cvv_gid = 0;
root_version->cvv_mode = 0777;
root_version->cvv_atime = parse_state.xs_gh.cmg_created;
root_version->cvv_mtime = parse_state.xs_gh.cmg_created;
TAILQ_INSERT_HEAD(&tree->cvt_head.cve_versions, root_version, cvv_link);
/*
* Create only one struct for each ctfile. Each entry in the version
* tree references the appropriate one. These are added to a cache list
* so they can be freed during tree cleanup.
*/
ctfile = e_calloc(1, sizeof(*ctfile));
strlcpy(ctfile->cvc_path, parse_state.xs_filename,
sizeof(ctfile->cvc_path));
offset = ctfile_parse_tell(&parse_state);
TAILQ_INSERT_TAIL(&tree->cvt_ctfiles, ctfile, cvc_link);
while (((rv = ctfile_parse(&parse_state)) != XS_RET_EOF) &&
(rv != XS_RET_FAIL)) {
switch(rv) {
case XS_RET_FILE:
if ((rv = ct_vertree_add(&dnode_cache, &tree->cvt_head,
&parse_state, ctfile, offset, allfiles)) != 0) {
goto out;
}
break;
case XS_RET_FILE_END:
break;
case XS_RET_SHA:
if ((rv = ctfile_parse_seek(&parse_state))) {
goto out;
}
break;
default:
rv = CTE_CTFILE_CORRUPT;
goto out;
}
offset = ctfile_parse_tell(&parse_state);
}
if (rv == XS_RET_EOF) {
ctfile_parse_close(&parse_state);
if (!TAILQ_EMPTY(&extract_head)) {
/* XXX do we need to zero root dnode? */
ct_extract_open_next(&extract_head, &parse_state);
goto nextfile;
}
rv = 0;
/* free state */
} else {
rv = CTE_CTFILE_CORRUPT;
goto out;
}
*version_tree = tree;
out:
/* Free dnode_cache entries. */
while ((dnode_entry = TAILQ_FIRST(&dnode_cache.cache)) != NULL) {
TAILQ_REMOVE(&dnode_cache.cache, dnode_entry, cvd_link);
if (dnode_entry->cvd_dnode.d_name != NULL)
e_free(&dnode_entry->cvd_dnode.d_name);
e_free(&dnode_entry);
}
return rv;
}
int
ct_list(const char *file, char **flist, char **excludelist, int match_mode,
const char *ctfile_basedir, int strip_slash, int verbose)
{
struct ct_extract_state *ces;
struct ctfile_parse_state xs_ctx;
struct fnode fnodestore;
uint64_t reduction;
struct fnode *fnode = &fnodestore;
struct ct_match *match, *ex_match = NULL;
char *ct_next_filename;
char *sign;
int state;
int doprint = 0;
int ret;
int s_errno = 0, ct_errno = 0;
char shat[SHA_DIGEST_STRING_LENGTH];
char cshat[SHA_DIGEST_STRING_LENGTH];
char iv[CT_IV_LEN*2+1];
if ((ret = ct_file_extract_init(&ces, NULL, 1, 1, 0, NULL, NULL)) != 0)
CFATALX("failed to initialise extract state: %s",
ct_strerror(ret));
if ((ret = ct_match_compile(&match, match_mode, flist)) != 0)
CFATALX("failed to compile match pattern: %s",
ct_strerror(ret));
if (excludelist != NULL && (ret = ct_match_compile(&ex_match,
match_mode, excludelist)) != 0)
CFATALX("failed to compile exclude pattern: %s",
ct_strerror(ret));
verbose++; /* by default print something. */
ct_next_filename = NULL;
next_file:
ret = ctfile_parse_init(&xs_ctx, file, ctfile_basedir);
if (ret)
CFATALX("failed to open %s: %s", file, ct_strerror(ret));
ct_print_ctfile_info(&verbose, file, &xs_ctx.xs_gh);
if (ct_next_filename)
e_free(&ct_next_filename);
if (xs_ctx.xs_gh.cmg_prevlvl_filename) {
CNDBG(CT_LOG_CTFILE, "previous backup file %s\n",
xs_ctx.xs_gh.cmg_prevlvl_filename);
ct_next_filename = e_strdup(xs_ctx.xs_gh.cmg_prevlvl_filename);
}
bzero(&fnodestore, sizeof(fnodestore));
do {
ret = ctfile_parse(&xs_ctx);
switch (ret) {
case XS_RET_FILE:
ct_populate_fnode(ces, &xs_ctx, fnode, &state,
xs_ctx.xs_gh.cmg_flags & CT_MD_MLB_ALLFILES,
strip_slash);
doprint = !ct_match(match, fnode->fn_fullname);
if (doprint && ex_match != NULL &&
!ct_match(ex_match, fnode->fn_fullname))
doprint = 0;
if (doprint) {
ct_pr_fmt_file(&verbose, fnode);
if (!C_ISREG(xs_ctx.xs_hdr.cmh_type) ||
verbose > 2)
printf("\n");
}
if (fnode->fn_hlname)
e_free(&fnode->fn_hlname);
if (fnode->fn_fullname)
e_free(&fnode->fn_fullname);
break;
case XS_RET_FILE_END:
sign = " ";
if (xs_ctx.xs_trl.cmt_comp_size == 0)
reduction = 100;
else {
uint64_t orig, comp;
orig = xs_ctx.xs_trl.cmt_orig_size;
comp = xs_ctx.xs_trl.cmt_comp_size;
if (comp <= orig) {
reduction = 100 * (orig - comp) / orig;
} else {
reduction = 100 * (comp - orig) / orig;
if (reduction != 0)
sign = "-";
}
}
if (doprint && verbose > 1)
printf(" sz: %" PRIu64 " shas: %" PRIu64
" reduction: %s%" PRIu64 "%%\n",
xs_ctx.xs_trl.cmt_orig_size,
xs_ctx.xs_hdr.cmh_nr_shas,
sign, reduction);
else if (doprint)
printf("\n");
break;
case XS_RET_SHA:
if (!(doprint && verbose > 2)) {
if (ctfile_parse_seek(&xs_ctx)) {
CFATALX("seek failed");
}
} else {
int i;
ct_sha1_encode(xs_ctx.xs_sha, shat);
switch (xs_ctx.xs_gh.cmg_flags & CT_MD_CRYPTO) {
case 0:
printf(" sha %s\n", shat);
break;
case CT_MD_CRYPTO:
ct_sha1_encode(xs_ctx.xs_csha, cshat);
for (i = 0; i < CT_IV_LEN; i++)
snprintf(&iv[i * 2], 3, "%02x",
xs_ctx.xs_iv[i]);
printf(" sha %s csha %s iv %s\n",
shat, cshat, iv);
}
}
break;
case XS_RET_EOF:
break;
case XS_RET_FAIL:
s_errno = errno;
ct_errno = xs_ctx.xs_errno;
;
}
} while (ret != XS_RET_EOF && ret != XS_RET_FAIL);
ctfile_parse_close(&xs_ctx);
if (ret != XS_RET_EOF) {
errno = s_errno;
CWARNX("corrupt ctfile: %s", ct_strerror(ct_errno));
} else {
if (ct_next_filename) {
file = ct_next_filename;
goto next_file;
}
}
ct_match_unwind(match);
ct_file_extract_cleanup(ces);
return (0);
}
_IMPEXP_ETK void*
etk_create_area(const char *name, void **start_addr, size_t size, euint32 protection, const char *domain, etk_area_access area_access)
{
if(size <= 0) return NULL;
char *ipc_name = etk_area_ipc_name(name, domain);
if(!ipc_name) return NULL;
etk_win32_area_t *area = new etk_win32_area_t();
if(!area)
{
free(ipc_name);
return NULL;
}
area->prot = protection;
#if 0
SECURITY_ATTRIBUTES sa;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = TRUE;
sa.lpSecurityDescriptor = NULL;
EString szStr;
szStr << "D:"; // Discretionary ACL
szStr << "(D;OICI;GA;;;BG)"; // Deny access to built-in guests
szStr << "(D;OICI;GA;;;AN)"; // Deny access to anonymous logon
szStr << "(A;OICI;GA;;;BA)"; // Allow full control to administrators
szStr << "(A;OICI;GA;;;CO)"; // Allow full control to creator owner
if((area_access & ETK_AREA_ACCESS_GROUP_READ) || (area_access & ETK_AREA_ACCESS_GROUP_WRITE))
{
if(area_access & ETK_AREA_ACCESS_GROUP_WRITE)
szStr << "(A;OICI;GA;;;CG)"; // Allow full control to creator group
else
szStr << "(A;OICI;GR;;;CG)"; // Allow read control to creator group
}
if((area_access & ETK_AREA_ACCESS_OTHERS_READ) || (area_access & ETK_AREA_ACCESS_OTHERS_WRITE))
{
if(area_access & ETK_AREA_ACCESS_OTHERS_WRITE)
szStr << "(A;OICI;GA;;;BU)"; // Allow full control to others
else
szStr << "(A;OICI;GR;;;BU)"; // Allow read control to others
}
if(!ConvertStringSecurityDescriptorToSecurityDescriptor(szStr.String(), SDDL_REVISION_1, (PSECURITY_DESCRIPTOR*)&(sa.lpSecurityDescriptor), NULL))
{
delete area;
free(ipc_name);
return NULL;
}
#endif
HANDLE handler;
_ETK_LOCK_AREA_();
if((handler = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE | SEC_COMMIT, 0, size + sizeof(etk_win32_area_info_t), ipc_name)) == NULL)
{
_ETK_UNLOCK_AREA_();
ETK_DEBUG("[KERNEL]: %s --- Can't create area : CreateFileMapping failed.", __PRETTY_FUNCTION__);
free(ipc_name);
delete area;
return NULL;
}
// if(sa.lpSecurityDescriptor != NULL) LocalFree(sa.lpSecurityDescriptor);
DWORD prot = (protection & E_WRITE_AREA ? FILE_MAP_ALL_ACCESS : FILE_MAP_READ);
if((area->addr = MapViewOfFile(handler, prot, 0, 0, 0)) == NULL)
{
ETK_DEBUG("[KERNEL]: %s --- Can't create area : MapViewOfFile failed.", __PRETTY_FUNCTION__);
CloseHandle(handler);
_ETK_UNLOCK_AREA_();
free(ipc_name);
delete area;
return NULL;
}
etk_win32_area_info_t area_info;
area_info.magic = WIN32_AREA_INFO_MAGIC;
area_info.closed = false;
area_info.length = size;
memcpy(area->addr, &area_info, sizeof(etk_win32_area_info_t));
area->length = size;
area->mapping = handler;
area->name = e_strdup(name);
area->domain = e_strdup(domain);
area->ipc_name = ipc_name;
area->created = true;
_ETK_UNLOCK_AREA_();
if(start_addr) *start_addr = (void*)((char*)area->addr + sizeof(etk_win32_area_info_t));
return area;
}
_IMPEXP_ETK void*
etk_clone_area(const char *name, void **dest_addr, euint32 protection, const char *domain)
{
char *ipc_name = etk_area_ipc_name(name, domain);
if(!ipc_name) return NULL;
etk_win32_area_t *area = new etk_win32_area_t();
if(!area)
{
free(ipc_name);
return NULL;
}
area->prot = protection;
DWORD prot = (protection & E_WRITE_AREA ? FILE_MAP_ALL_ACCESS : FILE_MAP_READ);
HANDLE handler;
_ETK_LOCK_AREA_();
if((handler = OpenFileMapping(prot, FALSE, ipc_name)) == NULL)
{
// ETK_DEBUG("[KERNEL]: %s --- Can't clone area : open file mapping failed."", __PRETTY_FUNCTION__);
_ETK_UNLOCK_AREA_();
free(ipc_name);
delete area;
return NULL;
}
if((area->addr = MapViewOfFile(handler, prot, 0, 0, 0)) == NULL)
{
ETK_DEBUG("[KERNEL]: %s --- Can't clone area : MapViewOfFile failed.", __PRETTY_FUNCTION__);
CloseHandle(handler);
_ETK_UNLOCK_AREA_();
free(ipc_name);
delete area;
return NULL;
}
etk_win32_area_info_t area_info;
bzero(&area_info, sizeof(etk_win32_area_info_t));
memcpy(&area_info, area->addr, sizeof(etk_win32_area_info_t));
if(area_info.magic != WIN32_AREA_INFO_MAGIC || area_info.closed)
{
ETK_WARNING("[KERNEL]: %s --- FileMapping(%s) seem not created by ETK", __PRETTY_FUNCTION__, ipc_name);
UnmapViewOfFile(area->addr);
CloseHandle(handler);
_ETK_UNLOCK_AREA_();
free(ipc_name);
delete area;
return NULL;
}
area->length = area_info.length;
area->mapping = handler;
area->name = e_strdup(name);
area->domain = e_strdup(domain);
area->ipc_name = ipc_name;
area->openedIPC = true;
area->created = true;
_ETK_UNLOCK_AREA_();
if(dest_addr) *dest_addr = (void*)((char*)area->addr + sizeof(etk_win32_area_info_t));
return area;
}