static void
end_backup(
dle_t *dle,
int goterror)
{
char *amandates_file = NULL;
if(dle->record && !goterror) {
if (incrname != NULL && strlen(incrname) > 4) {
char *nodotnew;
nodotnew = g_strdup(incrname);
nodotnew[strlen(nodotnew)-4] = '\0';
if (rename(incrname, nodotnew)) {
g_fprintf(stderr, _("%s: warning [renaming %s to %s: %s]\n"),
get_pname(), incrname, nodotnew, strerror(errno));
}
amfree(nodotnew);
amfree(incrname);
}
/* update the amandates file */
amandates_file = getconf_str(CNF_AMANDATES);
if(start_amandates(amandates_file, 1)) {
amandates_updateone(cur_disk, cur_level, cur_dumptime);
finish_amandates();
free_amandates();
} else {
/* failure is only fatal if we didn't get a gnutar-listdir */
char *gnutar_list_dir = getconf_str(CNF_GNUTAR_LIST_DIR);
if (!gnutar_list_dir || !*gnutar_list_dir) {
error(_("error [opening %s for writing: %s]"), amandates_file, strerror(errno));
/* NOTREACHED */
} else {
g_debug(_("non-fatal error opening '%s' for writing: %s]"),
amandates_file, strerror(errno));
}
}
}
}
int
main(
int argc,
char ** argv)
{
int interactive = 0;
int level = 0;
int mesgpipe[2];
dle_t *dle = NULL;
char *dumpdate, *stroptions;
char *qdisk = NULL;
char *qamdevice = NULL;
char *line = NULL;
char *err_extra = NULL;
char *s;
int i;
int ch;
GSList *errlist;
FILE *mesgstream;
level_t *alevel;
/* initialize */
/*
* Configure program for internationalization:
* 1) Only set the message locale for now.
* 2) Set textdomain for all amanda related programs to "amanda"
* We don't want to be forced to support dozens of message catalogs.
*/
setlocale(LC_MESSAGES, "C");
textdomain("amanda");
safe_fd(DATA_FD_OFFSET, DATA_FD_COUNT*2);
safe_cd();
set_pname("sendbackup");
/* Don't die when child closes pipe */
signal(SIGPIPE, SIG_IGN);
/* Don't die when interrupt received */
signal(SIGINT, SIG_IGN);
if(argc > 1 && strcmp(argv[1],"-t") == 0) {
interactive = 1;
argc--;
argv++;
} else {
interactive = 0;
}
erroutput_type = (ERR_INTERACTIVE|ERR_SYSLOG);
dbopen(DBG_SUBDIR_CLIENT);
startclock();
dbprintf(_("Version %s\n"), version());
if(argc > 2 && strcmp(argv[1], "amandad") == 0) {
amandad_auth = stralloc(argv[2]);
}
our_features = am_init_feature_set();
our_feature_string = am_feature_to_string(our_features);
config_init(CONFIG_INIT_CLIENT, NULL);
/* (check for config errors comes later) */
check_running_as(RUNNING_AS_CLIENT_LOGIN);
if(interactive) {
/*
* In interactive (debug) mode, the backup data is sent to
* /dev/null and none of the network connections back to driver
* programs on the tape host are set up. The index service is
* run and goes to stdout.
*/
g_fprintf(stderr, _("%s: running in interactive test mode\n"), get_pname());
fflush(stderr);
}
qdisk = NULL;
dumpdate = NULL;
stroptions = NULL;
for(; (line = agets(stdin)) != NULL; free(line)) {
if (line[0] == '\0')
continue;
if(interactive) {
g_fprintf(stderr, "%s> ", get_pname());
fflush(stderr);
}
if(strncmp_const(line, "OPTIONS ") == 0) {
g_options = parse_g_options(line+8, 1);
if(!g_options->hostname) {
g_options->hostname = alloc(MAX_HOSTNAME_LENGTH+1);
gethostname(g_options->hostname, MAX_HOSTNAME_LENGTH);
g_options->hostname[MAX_HOSTNAME_LENGTH] = '\0';
}
if (g_options->config) {
/* overlay this configuration on the existing (nameless) configuration */
config_init(CONFIG_INIT_CLIENT | CONFIG_INIT_EXPLICIT_NAME | CONFIG_INIT_OVERLAY,
g_options->config);
dbrename(get_config_name(), DBG_SUBDIR_CLIENT);
}
/* check for any config errors now */
if (config_errors(&errlist) >= CFGERR_ERRORS) {
char *errstr = config_errors_to_error_string(errlist);
g_printf("%s\n", errstr);
dbclose();
return 1;
}
if (am_has_feature(g_options->features, fe_req_xml)) {
break;
}
continue;
}
if (dle && dle->program != NULL) {
err_extra = _("multiple requests");
goto err;
}
dbprintf(_(" sendbackup req: <%s>\n"), line);
dle = alloc_dle();
s = line;
ch = *s++;
skip_whitespace(s, ch); /* find the program name */
if(ch == '\0') {
err_extra = _("no program name");
goto err; /* no program name */
}
dle->program = s - 1;
skip_non_whitespace(s, ch);
s[-1] = '\0';
if (strcmp(dle->program, "APPLICATION")==0) {
dle->program_is_application_api=1;
skip_whitespace(s, ch); /* find dumper name */
if (ch == '\0') {
goto err; /* no program */
}
dle->program = s - 1;
skip_non_whitespace(s, ch);
s[-1] = '\0';
}
dle->program = stralloc(dle->program);
skip_whitespace(s, ch); /* find the disk name */
if(ch == '\0') {
err_extra = _("no disk name");
goto err; /* no disk name */
}
amfree(qdisk);
qdisk = s - 1;
ch = *qdisk;
skip_quoted_string(s, ch);
s[-1] = '\0';
qdisk = stralloc(qdisk);
dle->disk = unquote_string(qdisk);
skip_whitespace(s, ch); /* find the device or level */
if (ch == '\0') {
err_extra = _("bad level");
goto err;
}
if(!isdigit((int)s[-1])) {
amfree(qamdevice);
qamdevice = s - 1;
ch = *qamdevice;
skip_quoted_string(s, ch);
s[-1] = '\0';
qamdevice = stralloc(qamdevice);
dle->device = unquote_string(qamdevice);
skip_whitespace(s, ch); /* find level number */
}
else {
dle->device = stralloc(dle->disk);
qamdevice = stralloc(qdisk);
}
/* find the level number */
if(ch == '\0' || sscanf(s - 1, "%d", &level) != 1) {
err_extra = _("bad level");
goto err; /* bad level */
}
skip_integer(s, ch);
alevel = g_new0(level_t, 1);
alevel->level = level;
dle->levellist = g_slist_append(dle->levellist, alevel);
skip_whitespace(s, ch); /* find the dump date */
if(ch == '\0') {
err_extra = _("no dumpdate");
goto err; /* no dumpdate */
}
amfree(dumpdate);
dumpdate = s - 1;
skip_non_whitespace(s, ch);
s[-1] = '\0';
dumpdate = stralloc(dumpdate);
skip_whitespace(s, ch); /* find the options keyword */
if(ch == '\0') {
err_extra = _("no options");
goto err; /* no options */
}
if(strncmp_const_skip(s - 1, "OPTIONS ", s, ch) != 0) {
err_extra = _("no OPTIONS keyword");
goto err; /* no options */
}
skip_whitespace(s, ch); /* find the options string */
if(ch == '\0') {
err_extra = _("bad options string");
goto err; /* no options */
}
amfree(stroptions);
stroptions = stralloc(s - 1);
}
amfree(line);
if (g_options == NULL) {
g_printf(_("ERROR [Missing OPTIONS line in sendbackup input]\n"));
error(_("Missing OPTIONS line in sendbackup input\n"));
/*NOTREACHED*/
}
if (am_has_feature(g_options->features, fe_req_xml)) {
char *errmsg = NULL;
dle = amxml_parse_node_FILE(stdin, &errmsg);
if (errmsg) {
err_extra = errmsg;
goto err;
}
if (!dle) {
err_extra = _("One DLE required");
goto err;
} else if (dle->next) {
err_extra = _("Only one DLE allowed");
goto err;
}
qdisk = quote_string(dle->disk);
if (dle->device == NULL)
dle->device = stralloc(dle->disk);
qamdevice = quote_string(dle->device);
dumpdate = stralloc("NODATE");
stroptions = stralloc("");
} else {
parse_options(stroptions, dle, g_options->features, 0);
}
gdle = dle;
if (dle->program == NULL ||
dle->disk == NULL ||
dle->device == NULL ||
dle->levellist == NULL ||
dumpdate == NULL) {
err_extra = _("no valid sendbackup request");
goto err;
}
if (g_slist_length(dle->levellist) != 1) {
err_extra = _("Too many level");
goto err;
}
alevel = (level_t *)dle->levellist->data;
level = alevel->level;
dbprintf(_(" Parsed request as: program `%s'\n"), dle->program);
dbprintf(_(" disk `%s'\n"), qdisk);
dbprintf(_(" device `%s'\n"), qamdevice);
dbprintf(_(" level %d\n"), level);
dbprintf(_(" since %s\n"), dumpdate);
dbprintf(_(" options `%s'\n"), stroptions);
if (dle->program_is_application_api==1) {
/* check that the application_api exist */
} else {
for(i = 0; programs[i]; i++) {
if (strcmp(programs[i]->name, dle->program) == 0) {
break;
}
}
if (programs[i] == NULL) {
dbprintf(_("ERROR [%s: unknown program %s]\n"), get_pname(),
dle->program);
error(_("ERROR [%s: unknown program %s]"), get_pname(),
dle->program);
/*NOTREACHED*/
}
program = programs[i];
}
if(!interactive) {
datafd = DATA_FD_OFFSET + 0;
mesgfd = DATA_FD_OFFSET + 2;
indexfd = DATA_FD_OFFSET + 4;
}
if (!dle->create_index)
indexfd = -1;
if (dle->auth && amandad_auth) {
if(strcasecmp(dle->auth, amandad_auth) != 0) {
g_printf(_("ERROR [client configured for auth=%s while server requested '%s']\n"),
amandad_auth, dle->auth);
exit(-1);
}
}
if (dle->kencrypt) {
g_printf("KENCRYPT\n");
}
g_printf(_("CONNECT DATA %d MESG %d INDEX %d\n"),
DATA_FD_OFFSET, DATA_FD_OFFSET+1,
indexfd == -1 ? -1 : DATA_FD_OFFSET+2);
g_printf(_("OPTIONS "));
if(am_has_feature(g_options->features, fe_rep_options_features)) {
g_printf("features=%s;", our_feature_string);
}
if(am_has_feature(g_options->features, fe_rep_options_hostname)) {
g_printf("hostname=%s;", g_options->hostname);
}
g_printf("\n");
fflush(stdout);
if (freopen("/dev/null", "w", stdout) == NULL) {
dbprintf(_("Error redirecting stdout to /dev/null: %s\n"),
strerror(errno));
exit(1);
}
if(interactive) {
if((datafd = open("/dev/null", O_RDWR)) < 0) {
error(_("ERROR [open of /dev/null for debug data stream: %s]\n"),
strerror(errno));
/*NOTREACHED*/
}
mesgfd = 2;
indexfd = 1;
}
if(!interactive) {
if(datafd == -1 || mesgfd == -1 || (dle->create_index && indexfd == -1)) {
dbclose();
exit(1);
}
}
mesgstream = fdopen(mesgfd,"w");
run_client_scripts(EXECUTE_ON_PRE_DLE_BACKUP, g_options, dle, mesgstream);
fflush(mesgstream);
if (dle->program_is_application_api==1) {
guint j;
char *cmd=NULL;
GPtrArray *argv_ptr;
char levelstr[20];
backup_support_option_t *bsu;
char *compopt = NULL;
char *encryptopt = skip_argument;
int compout, dumpout;
GSList *scriptlist;
script_t *script;
time_t cur_dumptime;
int result;
GPtrArray *errarray;
int errfd[2];
FILE *dumperr;
/* apply client-side encryption here */
if ( dle->encrypt == ENCRYPT_CUST ) {
encpid = pipespawn(dle->clnt_encrypt, STDIN_PIPE, 0,
&compout, &datafd, &mesgfd,
dle->clnt_encrypt, encryptopt, NULL);
dbprintf(_("encrypt: pid %ld: %s\n"), (long)encpid, dle->clnt_encrypt);
} else {
compout = datafd;
encpid = -1;
}
/* now do the client-side compression */
if(dle->compress == COMP_FAST || dle->compress == COMP_BEST) {
compopt = skip_argument;
#if defined(COMPRESS_BEST_OPT) && defined(COMPRESS_FAST_OPT)
if(dle->compress == COMP_BEST) {
compopt = COMPRESS_BEST_OPT;
} else {
compopt = COMPRESS_FAST_OPT;
}
#endif
comppid = pipespawn(COMPRESS_PATH, STDIN_PIPE, 0,
&dumpout, &compout, &mesgfd,
COMPRESS_PATH, compopt, NULL);
dbprintf(_("gnutar: pid %ld: %s"), (long)comppid, COMPRESS_PATH);
if(compopt != skip_argument) {
dbprintf(_("pid %ld: %s %s\n"),
(long)comppid, COMPRESS_PATH, compopt);
} else {
dbprintf(_("pid %ld: %s\n"), (long)comppid, COMPRESS_PATH);
}
} else if (dle->compress == COMP_CUST) {
compopt = skip_argument;
comppid = pipespawn(dle->compprog, STDIN_PIPE, 0,
&dumpout, &compout, &mesgfd,
dle->compprog, compopt, NULL);
if(compopt != skip_argument) {
dbprintf(_("pid %ld: %s %s\n"),
(long)comppid, dle->compprog, compopt);
} else {
dbprintf(_("pid %ld: %s\n"), (long)comppid, dle->compprog);
}
} else {
dumpout = compout;
comppid = -1;
}
cur_dumptime = time(0);
bsu = backup_support_option(dle->program, g_options, dle->disk,
dle->device, &errarray);
if (!bsu) {
char *errmsg;
char *qerrmsg;
guint i;
for (i=0; i < errarray->len; i++) {
errmsg = g_ptr_array_index(errarray, i);
qerrmsg = quote_string(errmsg);
fdprintf(mesgfd,
_("sendbackup: error [Application '%s': %s]\n"),
dle->program, errmsg);
dbprintf("aa: %s\n",qerrmsg);
amfree(qerrmsg);
}
if (i == 0) { /* no errarray */
errmsg = vstrallocf(_("Can't execute application '%s'"),
dle->program);
qerrmsg = quote_string(errmsg);
fdprintf(mesgfd, _("sendbackup: error [%s]\n"), errmsg);
dbprintf(_("ERROR %s\n"), qerrmsg);
amfree(qerrmsg);
amfree(errmsg);
}
return 0;
}
if (pipe(errfd) < 0) {
char *errmsg;
char *qerrmsg;
errmsg = vstrallocf(_("Application '%s': can't create pipe"),
dle->program);
qerrmsg = quote_string(errmsg);
fdprintf(mesgfd, _("sendbackup: error [%s]\n"), errmsg);
dbprintf(_("ERROR %s\n"), qerrmsg);
amfree(qerrmsg);
amfree(errmsg);
return 0;
}
switch(application_api_pid=fork()) {
case 0:
argv_ptr = g_ptr_array_new();
cmd = vstralloc(APPLICATION_DIR, "/", dle->program, NULL);
g_ptr_array_add(argv_ptr, stralloc(dle->program));
g_ptr_array_add(argv_ptr, stralloc("backup"));
if (bsu->message_line == 1) {
g_ptr_array_add(argv_ptr, stralloc("--message"));
g_ptr_array_add(argv_ptr, stralloc("line"));
}
if (g_options->config && bsu->config == 1) {
g_ptr_array_add(argv_ptr, stralloc("--config"));
g_ptr_array_add(argv_ptr, stralloc(g_options->config));
}
if (g_options->hostname && bsu->host == 1) {
g_ptr_array_add(argv_ptr, stralloc("--host"));
g_ptr_array_add(argv_ptr, stralloc(g_options->hostname));
}
if (dle->disk && bsu->disk == 1) {
g_ptr_array_add(argv_ptr, stralloc("--disk"));
g_ptr_array_add(argv_ptr, stralloc(dle->disk));
}
g_ptr_array_add(argv_ptr, stralloc("--device"));
g_ptr_array_add(argv_ptr, stralloc(dle->device));
if (level <= bsu->max_level) {
g_ptr_array_add(argv_ptr, stralloc("--level"));
g_snprintf(levelstr,19,"%d",level);
g_ptr_array_add(argv_ptr, stralloc(levelstr));
}
if (indexfd != -1 && bsu->index_line == 1) {
g_ptr_array_add(argv_ptr, stralloc("--index"));
g_ptr_array_add(argv_ptr, stralloc("line"));
}
if (dle->record && bsu->record == 1) {
g_ptr_array_add(argv_ptr, stralloc("--record"));
}
application_property_add_to_argv(argv_ptr, dle, bsu);
for (scriptlist = dle->scriptlist; scriptlist != NULL;
scriptlist = scriptlist->next) {
script = (script_t *)scriptlist->data;
if (script->result && script->result->proplist) {
property_add_to_argv(argv_ptr, script->result->proplist);
}
}
g_ptr_array_add(argv_ptr, NULL);
dbprintf(_("%s: running \"%s\n"), get_pname(), cmd);
for (j = 1; j < argv_ptr->len - 1; j++)
dbprintf(" %s\n", (char *)g_ptr_array_index(argv_ptr,j));
dbprintf(_("\"\n"));
if(dup2(dumpout, 1) == -1) {
error(_("Can't dup2: %s"),strerror(errno));
/*NOTREACHED*/
}
if (dup2(errfd[1], 2) == -1) {
error(_("Can't dup2: %s"),strerror(errno));
/*NOTREACHED*/
}
if(dup2(mesgfd, 3) == -1) {
error(_("Can't dup2: %s"),strerror(errno));
/*NOTREACHED*/
}
if(indexfd > 0) {
if(dup2(indexfd, 4) == -1) {
error(_("Can't dup2: %s"),strerror(errno));
/*NOTREACHED*/
}
fcntl(indexfd, F_SETFD, 0);
}
application_api_info_tapeheader(mesgfd, dle->program, dle);
if (indexfd != 0) {
safe_fd(3, 2);
} else {
safe_fd(3, 1);
}
execve(cmd, (char **)argv_ptr->pdata, safe_env());
exit(1);
break;
default:
break;
case -1:
error(_("%s: fork returned: %s"), get_pname(), strerror(errno));
}
close(errfd[1]);
dumperr = fdopen(errfd[0],"r");
if (!dumperr) {
error(_("Can't fdopen: %s"), strerror(errno));
/*NOTREACHED*/
}
result = 0;
while ((line = agets(dumperr)) != NULL) {
if (strlen(line) > 0) {
fdprintf(mesgfd, "sendbackup: error [%s]\n", line);
dbprintf("error: %s\n", line);
result = 1;
}
amfree(line);
}
result |= check_result(mesgfd);
if (result == 0) {
char *amandates_file;
amandates_file = getconf_str(CNF_AMANDATES);
if(start_amandates(amandates_file, 1)) {
amandates_updateone(dle->disk, level, cur_dumptime);
finish_amandates();
free_amandates();
} else {
if (GPOINTER_TO_INT(dle->estimatelist->data) == ES_CALCSIZE &&
bsu->calcsize) {
error(_("error [opening %s for writing: %s]"),
amandates_file, strerror(errno));
} else {
g_debug(_("non-fatal error opening '%s' for writing: %s]"),
amandates_file, strerror(errno));
}
}
}
amfree(bsu);
} else {
if(!interactive) {
/* redirect stderr */
if(dup2(mesgfd, 2) == -1) {
dbprintf(_("Error redirecting stderr to fd %d: %s\n"),
mesgfd, strerror(errno));
dbclose();
exit(1);
}
}
if(pipe(mesgpipe) == -1) {
s = strerror(errno);
dbprintf(_("error [opening mesg pipe: %s]\n"), s);
error(_("error [opening mesg pipe: %s]"), s);
}
program->start_backup(dle, g_options->hostname,
datafd, mesgpipe[1], indexfd);
dbprintf(_("Started backup\n"));
parse_backup_messages(dle, mesgpipe[0]);
dbprintf(_("Parsed backup messages\n"));
}
run_client_scripts(EXECUTE_ON_POST_DLE_BACKUP, g_options, dle, mesgstream);
fflush(mesgstream);
amfree(qdisk);
amfree(qamdevice);
amfree(dumpdate);
amfree(stroptions);
amfree(our_feature_string);
am_release_feature_set(our_features);
our_features = NULL;
free_g_options(g_options);
dbclose();
return 0;
err:
if (err_extra) {
g_printf(_("ERROR FORMAT ERROR IN REQUEST PACKET '%s'\n"), err_extra);
dbprintf(_("REQ packet is bogus: %s\n"), err_extra);
} else {
g_printf(_("ERROR FORMAT ERROR IN REQUEST PACKET\n"));
dbprintf(_("REQ packet is bogus\n"));
}
amfree(qdisk);
amfree(qamdevice);
amfree(dumpdate);
amfree(stroptions);
amfree(our_feature_string);
dbclose();
return 1;
}
/*
* doing similar to $ gtar | compression | encryption
*/
static void
start_backup(
dle_t *dle,
char *host,
int dataf,
int mesgf,
int indexf)
{
char tmppath[PATH_MAX];
int dumpin, dumpout, compout;
char *cmd = NULL;
char *indexcmd = NULL;
char *dirname = NULL;
int l;
char dumptimestr[80] = "UNUSED";
struct tm *gmtm;
amandates_t *amdates = NULL;
time_t prev_dumptime = 0;
char *error_pn = NULL;
char *compopt = NULL;
char *encryptopt = skip_argument;
char *tquoted;
char *fquoted;
char *qdisk;
int infd, outfd;
ssize_t nb;
char buf[32768];
char *amandates_file = NULL;
am_level_t *alevel = (am_level_t *)dle->levellist->data;
int level = alevel->level;
int native_pipe[2];
int client_pipe[2];
int data_out;
have_filter = FALSE;
crc32_init(&native_crc.crc);
crc32_init(&client_crc.crc);
/* create pipes to compute the native CRC */
if (pipe(native_pipe) < 0) {
char *errmsg;
char *qerrmsg;
errmsg = g_strdup_printf(_("Program '%s': can't create pipe"),
dle->program);
qerrmsg = quote_string(errmsg);
fdprintf(mesgf, _("sendbackup: error [%s]\n"), errmsg);
dbprintf(_("ERROR %s\n"), qerrmsg);
amfree(qerrmsg);
amfree(errmsg);
return;
}
if (dle->encrypt == ENCRYPT_CUST ||
dle->compress == COMP_FAST ||
dle->compress == COMP_BEST ||
dle->compress == COMP_CUST) {
have_filter = TRUE;
/* create pipes to compute the client CRC */
if (pipe(client_pipe) < 0) {
char *errmsg;
char *qerrmsg;
errmsg = g_strdup_printf(_("Application '%s': can't create pipe"),
dle->program);
qerrmsg = quote_string(errmsg);
fdprintf(mesgf, _("sendbackup: error [%s]\n"), errmsg);
dbprintf(_("ERROR %s\n"), qerrmsg);
amfree(qerrmsg);
amfree(errmsg);
return;
}
data_out = client_pipe[1];
client_pipe[1] = -1;
} else {
data_out = dataf;
dataf = -1;
}
error_pn = g_strconcat(get_pname(), "-smbclient", NULL);
qdisk = quote_string(dle->disk);
dbprintf(_("start: %s:%s lev %d\n"), host, qdisk, level);
g_fprintf(stderr, _("%s: start [%s:%s level %d]\n"),
get_pname(), host, qdisk, level);
/* apply client-side encryption here */
if ( dle->encrypt == ENCRYPT_CUST ) {
encpid = pipespawn(dle->clnt_encrypt, STDIN_PIPE, 0,
&compout, &data_out, &mesgf,
dle->clnt_encrypt, encryptopt, NULL);
dbprintf(_("gnutar: pid %ld: %s\n"), (long)encpid, dle->clnt_encrypt);
aclose(data_out);
} else {
compout = data_out;
data_out = -1;
encpid = -1;
}
/* now do the client-side compression */
if (dle->compress == COMP_FAST || dle->compress == COMP_BEST) {
compopt = skip_argument;
#if defined(COMPRESS_BEST_OPT) && defined(COMPRESS_FAST_OPT)
if(dle->compress == COMP_BEST) {
compopt = COMPRESS_BEST_OPT;
} else {
compopt = COMPRESS_FAST_OPT;
}
#endif
comppid = pipespawn(COMPRESS_PATH, STDIN_PIPE, 0,
&dumpout, &compout, &mesgf,
COMPRESS_PATH, compopt, NULL);
dbprintf(_("gnutar: pid %ld: %s"), (long)comppid, COMPRESS_PATH);
if(compopt != skip_argument) {
dbprintf(_("pid %ld: %s %s\n"),
(long)comppid, COMPRESS_PATH, compopt);
} else {
dbprintf(_("pid %ld: %s\n"), (long)comppid, COMPRESS_PATH);
}
aclose(compout);
} else if (dle->compress == COMP_CUST) {
compopt = skip_argument;
comppid = pipespawn(dle->compprog, STDIN_PIPE, 0,
&dumpout, &compout, &mesgf,
dle->compprog, compopt, NULL);
if(compopt != skip_argument) {
dbprintf(_("pid %ld: %s %s\n"),
(long)comppid, dle->compprog, compopt);
} else {
dbprintf(_("pid %ld: %s\n"), (long)comppid, dle->compprog);
}
aclose(compout);
} else {
dumpout = compout;
compout = -1;
comppid = -1;
}
gnutar_list_dir = getconf_str(CNF_GNUTAR_LIST_DIR);
if (strlen(gnutar_list_dir) == 0)
gnutar_list_dir = NULL;
#ifdef SAMBA_CLIENT /* { */
if (dle->device[0] == '/' && dle->device[1]=='/')
amfree(incrname);
else
#endif /* } */
if (gnutar_list_dir) {
char *basename = NULL;
char number[NUM_STR_SIZE];
char *inputname = NULL;
int baselevel;
char *sdisk = sanitise_filename(dle->disk);
basename = g_strjoin(NULL, gnutar_list_dir,
"/",
host,
sdisk,
NULL);
amfree(sdisk);
g_snprintf(number, sizeof(number), "%d", level);
incrname = g_strjoin(NULL, basename, "_", number, ".new", NULL);
unlink(incrname);
/*
* Open the listed incremental file from the previous level. Search
* backward until one is found. If none are found (which will also
* be true for a level 0), arrange to read from /dev/null.
*/
baselevel = level;
infd = -1;
while (infd == -1) {
if (--baselevel >= 0) {
g_snprintf(number, sizeof(number), "%d", baselevel);
g_free(inputname);
inputname = g_strconcat(basename, "_", number, NULL);
} else {
g_free(inputname);
inputname = g_strdup("/dev/null");
}
if ((infd = open(inputname, O_RDONLY)) == -1) {
int save_errno = errno;
char *qname = quote_string(inputname);
dbprintf(_("gnutar: error opening '%s': %s\n"),
qname,
strerror(save_errno));
if (baselevel < 0) {
error(_("error [opening '%s': %s]"), qname, strerror(save_errno));
/*NOTREACHED*/
}
amfree(qname);
}
}
/*
* Copy the previous listed incremental file to the new one.
*/
if ((outfd = open(incrname, O_WRONLY|O_CREAT, 0600)) == -1) {
error(_("error [opening '%s': %s]"), incrname, strerror(errno));
/*NOTREACHED*/
}
while ((nb = read(infd, &buf, sizeof(buf))) > 0) {
if (full_write(outfd, &buf, (size_t)nb) < (size_t)nb) {
error(_("error [writing to '%s': %s]"), incrname,
strerror(errno));
/*NOTREACHED*/
}
}
if (nb < 0) {
error(_("error [reading from '%s': %s]"), inputname, strerror(errno));
/*NOTREACHED*/
}
if (close(infd) != 0) {
error(_("error [closing '%s': %s]"), inputname, strerror(errno));
/*NOTREACHED*/
}
if (close(outfd) != 0) {
error(_("error [closing '%s': %s]"), incrname, strerror(errno));
/*NOTREACHED*/
}
tquoted = quote_string(incrname);
if(baselevel >= 0) {
fquoted = quote_string(inputname);
dbprintf(_("doing level %d dump as listed-incremental from '%s' to '%s'\n"),
level, fquoted, tquoted);
amfree(fquoted);
} else {
dbprintf(_("doing level %d dump as listed-incremental to '%s'\n"),
level, tquoted);
}
amfree(tquoted);
amfree(inputname);
amfree(basename);
} else {
/* no gnutar-listdir, so we're using amandates */
/* find previous dump time, failing completely if there's a problem */
amandates_file = getconf_str(CNF_AMANDATES);
if(!start_amandates(amandates_file, 0)) {
error(_("error [opening %s: %s]"), amandates_file, strerror(errno));
/*NOTREACHED*/
}
amdates = amandates_lookup(dle->disk);
prev_dumptime = EPOCH;
for(l = 0; l < level; l++) {
if(amdates->dates[l] > prev_dumptime)
prev_dumptime = amdates->dates[l];
}
finish_amandates();
free_amandates();
gmtm = gmtime(&prev_dumptime);
g_snprintf(dumptimestr, sizeof(dumptimestr),
"%04d-%02d-%02d %2d:%02d:%02d GMT",
gmtm->tm_year + 1900, gmtm->tm_mon+1, gmtm->tm_mday,
gmtm->tm_hour, gmtm->tm_min, gmtm->tm_sec);
dbprintf(_("gnutar: doing level %d dump from amandates-derived date: %s\n"),
level, dumptimestr);
}
dirname = amname_to_dirname(dle->device);
cur_dumptime = time(0);
cur_level = level;
cur_disk = g_strdup(dle->disk);
#ifdef GNUTAR
# define PROGRAM_GNUTAR GNUTAR
#else
# define PROGRAM_GNUTAR "tar"
#endif
indexcmd = g_strjoin(NULL,
PROGRAM_GNUTAR,
" -tf", " -",
" 2>/dev/null",
" | sed", " -e",
" \'s/^\\.//\'",
NULL);
#ifdef SAMBA_CLIENT /* { */
/* Use sambatar if the disk to back up is a PC disk */
if (dle->device[0] == '/' && dle->device[1]=='/') {
char *sharename = NULL, *user_and_password = NULL, *domain = NULL;
char *share = NULL, *subdir = NULL;
char *pwtext = NULL;
char *taropt;
int passwdf = -1;
size_t lpass;
size_t pwtext_len;
char *pw_fd_env;
parsesharename(dle->device, &share, &subdir);
if (!share) {
amfree(share);
amfree(subdir);
set_pname(error_pn);
amfree(error_pn);
error(_("cannot parse disk entry %s for share/subdir"), qdisk);
/*NOTREACHED*/
}
if ((subdir) && (SAMBA_VERSION < 2)) {
amfree(share);
amfree(subdir);
set_pname(error_pn);
amfree(error_pn);
error(_("subdirectory specified for share %s but samba not v2 or better"), qdisk);
/*NOTREACHED*/
}
if ((user_and_password = findpass(share, &domain)) == NULL) {
if(domain) {
memset(domain, '\0', strlen(domain));
amfree(domain);
}
set_pname(error_pn);
amfree(error_pn);
error(_("error [invalid samba host or password not found?]"));
/*NOTREACHED*/
}
lpass = strlen(user_and_password);
if ((pwtext = strchr(user_and_password, '%')) == NULL) {
memset(user_and_password, '\0', lpass);
amfree(user_and_password);
if(domain) {
memset(domain, '\0', strlen(domain));
amfree(domain);
}
set_pname(error_pn);
amfree(error_pn);
error(_("password field not \'user%%pass\' for %s"), qdisk);
/*NOTREACHED*/
}
*pwtext++ = '\0';
pwtext_len = strlen(pwtext);
if ((sharename = makesharename(share, 0)) == 0) {
memset(user_and_password, '\0', lpass);
amfree(user_and_password);
if(domain) {
memset(domain, '\0', strlen(domain));
amfree(domain);
}
set_pname(error_pn);
amfree(error_pn);
error(_("error [can't make share name of %s]"), share);
/*NOTREACHED*/
}
taropt = g_strdup("-T");
if(dle->exclude_file && dle->exclude_file->nb_element == 1) {
strappend(taropt, "X");
}
#if SAMBA_VERSION >= 2
strappend(taropt, "q");
#endif
strappend(taropt, "c");
if (level != 0) {
strappend(taropt, "g");
} else if (dle->record) {
strappend(taropt, "a");
}
if (subdir) {
dbprintf(_("gnutar: backup of %s/%s\n"), sharename, subdir);
} else {
dbprintf(_("gnutar: backup of %s\n"), sharename);
}
program->backup_name = program->restore_name = SAMBA_CLIENT;
cmd = g_strdup(program->backup_name);
info_tapeheader(dle);
start_index(dle->create_index, native_pipe[1], mesgf, indexf, indexcmd);
if (pwtext_len > 0) {
pw_fd_env = "PASSWD_FD";
} else {
pw_fd_env = "dummy_PASSWD_FD";
}
dumppid = pipespawn(cmd, STDIN_PIPE|PASSWD_PIPE, 0,
&dumpin, &native_pipe[1], &mesgf,
pw_fd_env, &passwdf,
"smbclient",
sharename,
*user_and_password ? "-U" : skip_argument,
*user_and_password ? user_and_password : skip_argument,
"-E",
domain ? "-W" : skip_argument,
domain ? domain : skip_argument,
#if SAMBA_VERSION >= 2
subdir ? "-D" : skip_argument,
subdir ? subdir : skip_argument,
#endif
"-d0",
taropt,
"-",
dle->exclude_file && dle->exclude_file->nb_element == 1 ? dle->exclude_file->first->name : skip_argument,
NULL);
if(domain) {
memset(domain, '\0', strlen(domain));
amfree(domain);
}
if(pwtext_len > 0 && full_write(passwdf, pwtext, pwtext_len) < pwtext_len) {
int save_errno = errno;
aclose(passwdf);
memset(user_and_password, '\0', lpass);
amfree(user_and_password);
set_pname(error_pn);
amfree(error_pn);
error(_("error [password write failed: %s]"), strerror(save_errno));
/*NOTREACHED*/
}
memset(user_and_password, '\0', lpass);
amfree(user_and_password);
aclose(passwdf);
amfree(sharename);
amfree(share);
amfree(subdir);
amfree(taropt);
tarpid = dumppid;
} else
#endif /*end of samba */
{
int nb_exclude = 0;
int nb_include = 0;
GPtrArray *argv_ptr = g_ptr_array_new();
char *file_exclude = NULL;
char *file_include = NULL;
messagelist_t mlist = NULL;
if (dle->exclude_file) nb_exclude+=dle->exclude_file->nb_element;
if (dle->exclude_list) nb_exclude+=dle->exclude_list->nb_element;
if (dle->include_file) nb_include+=dle->include_file->nb_element;
if (dle->include_list) nb_include+=dle->include_list->nb_element;
if (nb_exclude > 0) file_exclude = build_exclude(dle, &mlist);
if (nb_include > 0) file_include = build_include(dle, dirname, &mlist);
g_slist_free(mlist); // MUST also free the message
cmd = g_strjoin(NULL, amlibexecdir, "/", "runtar", NULL);
info_tapeheader(dle);
start_index(dle->create_index, native_pipe[1], mesgf, indexf, indexcmd);
g_ptr_array_add(argv_ptr, g_strdup("runtar"));
if (g_options->config)
g_ptr_array_add(argv_ptr, g_strdup(g_options->config));
else
g_ptr_array_add(argv_ptr, g_strdup("NOCONFIG"));
#ifdef GNUTAR
g_ptr_array_add(argv_ptr, g_strdup(GNUTAR));
#else
g_ptr_array_add(argv_ptr, g_strdup("tar"));
#endif
g_ptr_array_add(argv_ptr, g_strdup("--create"));
g_ptr_array_add(argv_ptr, g_strdup("--file"));
g_ptr_array_add(argv_ptr, g_strdup("-"));
g_ptr_array_add(argv_ptr, g_strdup("--directory"));
canonicalize_pathname(dirname, tmppath);
g_ptr_array_add(argv_ptr, g_strdup(tmppath));
g_ptr_array_add(argv_ptr, g_strdup("--one-file-system"));
if (gnutar_list_dir && incrname) {
g_ptr_array_add(argv_ptr, g_strdup("--listed-incremental"));
g_ptr_array_add(argv_ptr, g_strdup(incrname));
} else {
g_ptr_array_add(argv_ptr, g_strdup("--incremental"));
g_ptr_array_add(argv_ptr, g_strdup("--newer"));
g_ptr_array_add(argv_ptr, g_strdup(dumptimestr));
}
#ifdef ENABLE_GNUTAR_ATIME_PRESERVE
/* --atime-preserve causes gnutar to call
* utime() after reading files in order to
* adjust their atime. However, utime()
* updates the file's ctime, so incremental
* dumps will think the file has changed. */
g_ptr_array_add(argv_ptr, g_strdup("--atime-preserve"));
#endif
g_ptr_array_add(argv_ptr, g_strdup("--sparse"));
g_ptr_array_add(argv_ptr, g_strdup("--ignore-failed-read"));
g_ptr_array_add(argv_ptr, g_strdup("--totals"));
if(file_exclude) {
g_ptr_array_add(argv_ptr, g_strdup("--exclude-from"));
g_ptr_array_add(argv_ptr, g_strdup(file_exclude));
}
if(file_include) {
g_ptr_array_add(argv_ptr, g_strdup("--files-from"));
g_ptr_array_add(argv_ptr, g_strdup(file_include));
}
else {
g_ptr_array_add(argv_ptr, g_strdup("."));
}
g_ptr_array_add(argv_ptr, NULL);
dumppid = pipespawnv(cmd, STDIN_PIPE, 0,
&dumpin, &native_pipe[1], &mesgf,
(char **)argv_ptr->pdata);
tarpid = dumppid;
amfree(file_exclude);
amfree(file_include);
g_ptr_array_free_full(argv_ptr);
}
dbprintf(_("gnutar: %s: pid %ld\n"), cmd, (long)dumppid);
amfree(qdisk);
amfree(dirname);
amfree(cmd);
amfree(indexcmd);
amfree(error_pn);
/* close the write ends of the pipes */
aclose(dumpin);
aclose(native_pipe[1]);
aclose(mesgf);
if (dle->create_index)
aclose(indexf);
if (shm_control_name) {
shm_ring = shm_ring_link(shm_control_name);
shm_ring_producer_set_size(shm_ring, NETWORK_BLOCK_BYTES*16, NETWORK_BLOCK_BYTES*4);
native_crc.in = native_pipe[0];
if (!have_filter) {
native_crc.out = dumpout;
native_crc.shm_ring = shm_ring;
native_crc.thread = g_thread_create(handle_crc_to_shm_ring_thread,
(gpointer)&native_crc, TRUE, NULL);
} else {
native_crc.out = dumpout;
native_crc.thread = g_thread_create(handle_crc_thread,
(gpointer)&native_crc, TRUE, NULL);
client_crc.in = client_pipe[0];
client_crc.out = dataf;
client_crc.shm_ring = shm_ring;
client_crc.thread = g_thread_create(handle_crc_to_shm_ring_thread,
(gpointer)&client_crc, TRUE, NULL);
}
} else {
native_crc.in = native_pipe[0];
native_crc.out = dumpout;
native_crc.thread = g_thread_create(handle_crc_thread,
(gpointer)&native_crc, TRUE, NULL);
if (have_filter) {
client_crc.in = client_pipe[0];
client_crc.out = dataf;
client_crc.thread = g_thread_create(handle_crc_thread,
(gpointer)&client_crc, TRUE, NULL);
}
}
}
int
start_amandates(
char *amandates_file,
int open_readwrite)
{
int rc, level = 0;
long ldate = 0L;
char *line;
char *name;
char *s;
int ch;
char *qname;
if (amandates_file == NULL) {
errno = 0;
return 0;
}
/* clean up from previous invocation */
if(amdf != NULL)
finish_amandates();
if(amandates_list != NULL)
free_amandates();
amfree(g_amandates_file);
/* initialize state */
updated = 0;
readonly = !open_readwrite;
amdf = NULL;
amandates_list = NULL;
g_amandates_file = g_strdup(amandates_file);
/* open the file */
// if (access(amandates_file,F_OK))
// /* not yet existing */
// if ( (rc = open(amandates_file,(O_CREAT|O_RDWR),0644)) != -1 )
// /* open/create successfull */
// aclose(rc);
if (open_readwrite)
amdf = fopen(amandates_file, "r+");
else
amdf = fopen(amandates_file, "r");
/* create it if we need to */
if (amdf == NULL) {
if (errno == ENOENT) {
amdf = fopen(amandates_file, "w+");
}
}
if (amdf == NULL) {
// errno is set
return 0;
}
if(open_readwrite)
rc = amflock(fileno(amdf), amandates_file);
else
rc = amroflock(fileno(amdf), amandates_file);
if(rc == -1) {
error(_("could not lock %s: %s"), amandates_file, strerror(errno));
/*NOTREACHED*/
}
for(; (line = agets(amdf)) != NULL; free(line)) {
if (line[0] == '\0')
continue;
s = line;
ch = *s++;
skip_whitespace(s, ch);
if(ch == '\0') {
continue; /* no name field */
}
qname = s - 1;
skip_quoted_string(s, ch);
s[-1] = '\0'; /* terminate the name */
name = unquote_string(qname);
skip_whitespace(s, ch);
if(ch == '\0' || sscanf(s - 1, "%d %ld", &level, &ldate) != 2) {
amfree(name);
continue; /* no more fields */
}
if(level < 0 || level >= DUMP_LEVELS) {
amfree(name);
continue;
}
enter_record(name, level, (time_t) ldate);
amfree(name);
}
if(ferror(amdf)) {
error(_("reading %s: %s"), amandates_file, strerror(errno));
/*NOTREACHED*/
}
updated = 0; /* reset updated flag */
return 1;
}