ConfigErrorCode Config::parseStream(FILE *stream)
{
confin = stream;
confdebug = _debug ? 1 : 0;
int status = confparse(this);
if (status != 0)
return setErrorCode(kConfigParseStreamErr);
return setErrorCode(kConfigNoErr);
}
ConfigErrorCode Config::parseStream(FILE *stream)
{
confin = stream;
confdebug = _debug ? 1 : 0;
#if defined(OF_ANDROID) || defined(OPENFRAMEWORKS)
int status = 0;
#else
int status = confparse(this);
#endif
if (status != 0)
return setErrorCode(kConfigParseStreamErr);
return setErrorCode(kConfigNoErr);
}
/*
* Read a configuration file, saving the results in a (separate) global section and servers array,
* and the cache.
*
* char *nm should contain the name of the file to read. If it is NULL, the name of the config file
* read during startup is used.
*
* globparm_t *global should point to a struct which will be used to store the data of the
* global section(s). If it is NULL, no global sections are allowed in the
* file.
*
* servparm_array *servers should point to a dynamic array which will be grown to store the data
* of the server sections. If it is NULL, no server sections are allowed
* in the file.
*
* char **errstr is used to return a possible error message.
* In case of failure, *errstr will refer to a newly allocated string.
*
* read_config_file returns 1 on success, 0 on failure.
*/
int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
{
int retval=0;
const char *conftype= (global?"config":"include");
FILE *in;
if (nm==NULL)
nm=conf_file;
if (!(in=fopen(nm,"r"))) {
if(asprintf(errstr,"Error: Could not open %s file %s: %s",conftype,nm,strerror(errno))<0)
*errstr=NULL;
return 0;
}
if(global || servers) {
/* Check restrictions on ownership and permissions of config file. */
int fd=fileno(in);
struct stat sb;
/* Note by Paul Rombouts: I am using fstat() instead of stat() here to
prevent a possible exploitable race condition */
if (fd==-1 || fstat(fd,&sb)!=0) {
if(asprintf(errstr,
"Error: Could not stat %s file %s: %s",
conftype,nm,strerror(errno))<0)
*errstr=NULL;
goto close_file;
}
}
retval=confparse(in,NULL,global,servers,includedepth,errstr);
close_file:
if(fclose(in) && retval) {
if(asprintf(errstr,"Error: Could not close %s file %s: %s",
conftype,nm,strerror(errno))<0)
*errstr=NULL;
return 0;
}
if(retval && servers && !DA_NEL(*servers)) {
if(asprintf(errstr,"Error: no server sections defined in config file %s",nm)<0)
*errstr=NULL;
return 0;
}
return retval;
}
int commandconf(const char mode,const char* line)
{
static char* before=NULL;
static char* config=NULL;
static char* after=NULL;
char* all=NULL;
char* tmp=NULL;
int l=0;
switch(mode){
case 'B':{
if(before==NULL){
before=strdup(line);
}
else {
tmp=(char*)malloc(sizeof(char)
*(strlen(before)+strlen(line)+2));
tmp[0]='\0';
strcat(tmp,before);
strcat(tmp,"\n");
strcat(tmp,line);
free(before);
before=tmp;
}
break;
}
case 'C':{
config=strdup(line);
break;
}
case 'A':{
if(after==NULL){
after=strdup(line);
}
else {
tmp=(char*)malloc(sizeof(char)
*(strlen(after)+strlen(line)+2));
strcpy(tmp,after);
strcat(tmp,"\n");
strcat(tmp,line);
free(after);
after=tmp;
}
break;
}
case 'D': {
/* Let's do it */
int rv=-1;
char* new_config=NULL;
char* homedir=NULL;
/* support for ~ in the config file string
~ must be the first character and it will be
replaced with HOME-environment variable
*/
if(config[0]=='~'){
if((homedir=getenv("HOME"))){
new_config=(char*)malloc(sizeof(char)*
(strlen(config)+strlen(homedir)+1));
memcpy(new_config,homedir,strlen(homedir));
memcpy(new_config+strlen(homedir),
config+sizeof(char),strlen(config+sizeof(char)));
l=(strlen(config)+strlen(homedir));
new_config[l]='\0';
free(config);
config=new_config;
/* Don't free(homedir); because it is not safe on some platforms */
}
}
if (config!=NULL && strcmp(config,"-")==0) {
error(255,_("Config from stdin\n"));
rv=0;
} else {
rv=access(config,R_OK);
if(rv==-1){
error(0,_("Cannot access config file:%s:%s\n"),config,strerror(errno));
}
}
if(before==NULL&&after==NULL&&
(config==NULL||strcmp(config,"")==0||rv==-1)){
error(0,_("No config defined\n"));
return RETFAIL;
}
if(before!=NULL) {
l+=strlen(before);
}
if(config!=NULL) {
l+=strlen(config);
}
if(after!=NULL) {
l+=strlen(after);
}
l+=strlen("@@include \n\n\n")+1;
all=(char*)malloc(sizeof(char)*l);
memset(all,0,l);
if(before!=NULL){
strcat(all,before);
strcat(all,"\n");
}
strcat(all,"@@include ");
strcat(all,config);
strcat(all,"\n");
if(after!=NULL){
strcat(all,after);
strcat(all,"\n");
}
error(200,"commandconf():%s\n",all);
conf_scan_string(all);
if(confparse()){
free(all);
return RETFAIL;
}
free(all);
break;
}
default: {
error(0,_("Illegal argument %c to commmandconf()\n"),mode);
break;
}
}
return RETOK;
}
static void *status_thread (void *p)
{
THREAD_SIGINIT;
/* (void)p; */ /* To inhibit "unused variable" warning */
if (!global.strict_suid) {
if (!run_as(global.run_as)) {
pdnsd_exit();
}
}
if (listen(stat_sock,5)==-1) {
log_warn("Error: could not listen on socket: %s.\nStatus readback will be impossible",strerror(errno));
goto exit_thread;
}
for(;;) {
struct sockaddr_un ra;
socklen_t res=sizeof(ra);
int rs;
if ((rs=accept(stat_sock,(struct sockaddr *)&ra,&res))!=-1) {
uint16_t cmd;
DEBUG_MSG("Status socket query pending.\n");
if (read_short(rs,&cmd)) {
/* Check magic number in command */
if((cmd & 0xff00) == CTL_CMDVERNR) {
const char *errmsg;
cmd &= 0xff;
switch(cmd) {
case CTL_STATS: {
struct utsname nm;
DEBUG_MSG("Received STATUS query.\n");
if(!print_succ(rs))
break;
uname(&nm);
if(fsprintf(rs,"pdnsd-%s running on %s.\n",VERSION,nm.nodename)<0 ||
report_cache_stat(rs)<0 ||
report_thread_stat(rs)<0 ||
report_conf_stat(rs)<0)
{
DEBUG_MSG("Error writing to control socket: %s\n"
"Failed to send status report.\n",strerror(errno));
}
}
break;
case CTL_SERVER: {
char *label,*dnsaddr;
int indx;
uint16_t cmd2;
DEBUG_MSG("Received SERVER command.\n");
if (read_allocstring(rs,&label,NULL)<=0) {
print_serr(rs,"Error reading server label.");
break;
}
if (!read_short(rs,&cmd2)) {
print_serr(rs,"Missing up|down|retest.");
goto free_label_break;
}
if(!read_allocstring(rs, &dnsaddr,NULL)) {
print_serr(rs,"Error reading DNS addresses.");
goto free_label_break;
}
/* Note by Paul Rombouts:
We are about to access server configuration data.
Now that the configuration can be changed during run time,
we should be using locks before accessing server config data, even if it
is read-only access.
However, as long as this is the only thread that calls reload_config_file()
it should be OK to read the server config without locks, but it is
something to keep in mind.
*/
{
char *endptr;
indx=strtol(label,&endptr,0);
if(!*endptr) {
if (indx<0 || indx>=DA_NEL(servers)) {
print_serr(rs,"Server index out of range.");
goto free_dnsaddr_label_break;
}
}
else {
if (!strcmp(label, "all"))
indx=-2; /* all servers */
else
indx=-1; /* compare names */
}
}
if(cmd2==CTL_S_UP || cmd2==CTL_S_DOWN || cmd2==CTL_S_RETEST) {
if(!dnsaddr) {
if (indx==-1) {
int i;
for (i=0;i<DA_NEL(servers);++i) {
char *servlabel=DA_INDEX(servers,i).label;
if (servlabel && !strcmp(servlabel,label))
goto found_label;
}
print_serr(rs,"Bad server label.");
goto free_dnsaddr_label_break;
found_label:;
}
if(mark_servers(indx,(indx==-1)?label:NULL,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP))==0)
print_succ(rs);
else
print_serr(rs,"Could not start up or signal server status thread.");
}
else { /* Change server addresses */
if(indx==-2) {
print_serr(rs,"Can't use label \"all\" to change server addresses.");
goto free_dnsaddr_label_break;
}
if(indx==-1) {
int i;
for(i=0;i<DA_NEL(servers);++i) {
char *servlabel=DA_INDEX(servers,i).label;
if (servlabel && !strcmp(servlabel,label)) {
if(indx!=-1) {
print_serr(rs,"server label must be unique to change server addresses.");
goto free_dnsaddr_label_break;
}
indx=i;
}
}
if(indx==-1) {
print_serr(rs,"Bad server label.");
goto free_dnsaddr_label_break;
}
}
{
char *ipstr,*q=dnsaddr;
addr_array ar=NULL;
pdnsd_a addr;
int err;
for(;;) {
for(;;) {
if(!*q) goto change_servs;
if(*q!=',' && !isspace(*q)) break;
++q;
}
ipstr=q;
for(;;) {
++q;
if(!*q) break;
if(*q==',' || isspace(*q)) {*q++=0; break; }
}
if(!str2pdnsd_a(ipstr,&addr)) {
print_serr(rs,"Bad server ip");
goto free_ar;
}
if(!(ar=DA_GROW1(ar))) {
print_serr(rs,"Out of memory.");
goto free_dnsaddr_label_break;
}
DA_LAST(ar)=addr;
}
change_servs:
err=change_servers(indx,ar,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP));
if(err==0)
print_succ(rs);
else
print_serr(rs,err==ETIMEDOUT?"Timed out while trying to gain access to server data.":
err==ENOMEM?"Out of memory.":
"Could not start up or signal server status thread.");
free_ar:
da_free(ar);
}
}
}
else
print_serr(rs,"Bad command.");
free_dnsaddr_label_break:
free(dnsaddr);
free_label_break:
free(label);
}
break;
case CTL_RECORD: {
uint16_t cmd2;
unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
DEBUG_MSG("Received RECORD command.\n");
if (!read_short(rs,&cmd2))
goto incomplete_command;
if (read_domain(rs, charp buf, sizeof(buf))<=0)
goto incomplete_command;
if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
goto bad_domain_name;
switch (cmd2) {
case CTL_R_DELETE:
del_cache(name);
print_succ(rs);
break;
case CTL_R_INVAL:
invalidate_record(name);
print_succ(rs);
break;
default:
print_serr(rs,"Bad command.");
}
}
break;
case CTL_SOURCE: {
uint32_t ttl;
char *fn;
uint16_t servaliases,flags;
unsigned char buf[DNSNAMEBUFSIZE],owner[DNSNAMEBUFSIZE];
DEBUG_MSG("Received SOURCE command.\n");
if (read_allocstring(rs,&fn,NULL)<=0) {
print_serr(rs,"Bad filename name.");
break;
}
if (read_domain(rs, charp buf, sizeof(buf))<=0 ||
!read_long(rs,&ttl) ||
!read_short(rs,&servaliases) || /* serve aliases */
!read_short(rs,&flags)) /* caching flags */
{
print_serr(rs,"Malformed or incomplete command.");
goto free_fn;
}
if ((errmsg=parsestr2rhn(buf,sizeof(buf),owner))!=NULL) {
print_serr(rs,errmsg);
goto free_fn;
}
if (ttl < 0) {
print_serr(rs, "Bad TTL.");
goto free_fn;
}
if(flags&DF_NEGATIVE) {
print_serr(rs, "Bad cache flags.");
goto free_fn;
}
{
char *errmsg;
if (read_hosts(fn,owner,ttl,flags,servaliases,&errmsg))
print_succ(rs);
else {
print_serr(rs,errmsg?:"Out of memory.");
free(errmsg);
}
}
free_fn:
free(fn);
}
break;
case CTL_ADD: {
uint32_t ttl;
unsigned sz;
uint16_t tp,flags,nadr=0;
unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE],dbuf[2+DNSNAMEBUFSIZE];
size_t adrbufsz=0;
unsigned char *adrbuf=NULL;
DEBUG_MSG("Received ADD command.\n");
if (!read_short(rs,&tp))
goto incomplete_command;
if (read_domain(rs, charp buf, sizeof(buf))<=0)
goto incomplete_command;
if (!read_long(rs,&ttl))
goto incomplete_command;
if (!read_short(rs,&flags)) /* caching flags */
goto incomplete_command;
if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
goto bad_domain_name;
if (ttl < 0)
goto bad_ttl;
if(flags&DF_NEGATIVE)
goto bad_flags;
switch (tp) {
case T_A:
sz=sizeof(struct in_addr);
#if ALLOW_LOCAL_AAAA
goto read_adress_list;
case T_AAAA:
sz=sizeof(struct in6_addr);
read_adress_list:
#endif
if (!read_short(rs,&nadr))
goto incomplete_command;
if (!nadr)
goto bad_arg;
adrbufsz= nadr * (size_t)sz;
adrbuf= malloc(adrbufsz);
if(!adrbuf)
goto out_of_memory;
{
size_t nread=0;
while(nread<adrbufsz) {
ssize_t m=read(rs,adrbuf+nread,adrbufsz-nread);
if(m<=0) {free(adrbuf); goto bad_arg;}
nread += m;
}
}
break;
case T_CNAME:
case T_PTR:
case T_NS:
if (read_domain(rs, charp buf, sizeof(buf))<=0)
goto incomplete_command;
if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf))!=NULL)
goto bad_domain_name;
sz=rhnlen(dbuf);
break;
case T_MX:
if (read(rs,dbuf,2)!=2)
goto bad_arg;
if (read_domain(rs, charp buf, sizeof(buf))<=0)
goto incomplete_command;
if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf+2))!=NULL)
goto bad_domain_name;
sz=rhnlen(dbuf+2)+2;
break;
default:
goto bad_arg;
}
{
dns_cent_t cent;
if (!init_cent(¢, name, 0, 0, flags DBG1)) {
free(adrbuf);
goto out_of_memory;
}
if(adrbuf) {
unsigned char *adrp; int i;
for(adrp=adrbuf,i=0; i<nadr; adrp += sz,++i) {
if (!add_cent_rr(¢,tp,ttl,0,CF_LOCAL,sz,adrp DBG1)) {
free_cent(¢ DBG1);
free(adrbuf);
goto out_of_memory;
}
}
free(adrbuf);
}
else if (!add_cent_rr(¢,tp,ttl,0,CF_LOCAL,sz,dbuf DBG1)) {
free_cent(¢ DBG1);
goto out_of_memory;
}
if(cent.qname[0]==1 && cent.qname[1]=='*') {
/* Wild card record.
Set the DF_WILD flag for the name with '*.' removed. */
if(!set_cent_flags(¢.qname[2],DF_WILD)) {
print_serr(rs,
"Before defining records for a name with a wildcard"
" you must first define some records for the name"
" with '*.' removed.");
goto cleanup_cent;
}
}
add_cache(¢);
print_succ(rs);
cleanup_cent:
free_cent(¢ DBG1);
}
}
break;
case CTL_NEG: {
uint32_t ttl;
uint16_t tp;
unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
DEBUG_MSG("Received NEG command.\n");
if (read_domain(rs, charp buf, sizeof(buf))<=0)
goto incomplete_command;
if (!read_short(rs,&tp))
goto incomplete_command;
if (!read_long(rs,&ttl))
goto incomplete_command;
if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL) {
DEBUG_MSG("NEG: received bad domain name.\n");
goto bad_domain_name;
}
if (tp!=255 && PDNSD_NOT_CACHED_TYPE(tp)) {
DEBUG_MSG("NEG: received bad record type.\n");
print_serr(rs,"Bad record type.");
break;
}
if (ttl < 0)
goto bad_ttl;
{
dns_cent_t cent;
if (tp==255) {
if (!init_cent(¢, name, ttl, 0, DF_LOCAL|DF_NEGATIVE DBG1))
goto out_of_memory;
} else {
if (!init_cent(¢, name, 0, 0, 0 DBG1))
goto out_of_memory;
if (!add_cent_rrset_by_type(¢,tp,ttl,0,CF_LOCAL|CF_NEGATIVE DBG1)) {
free_cent(¢ DBG1);
goto out_of_memory;
}
}
add_cache(¢);
free_cent(¢ DBG1);
}
print_succ(rs);
}
break;
case CTL_CONFIG: {
char *fn,*errmsg;
DEBUG_MSG("Received CONFIG command.\n");
if (!read_allocstring(rs,&fn,NULL)) {
print_serr(rs,"Bad filename name.");
break;
}
if (reload_config_file(fn,&errmsg))
print_succ(rs);
else {
print_serr(rs,errmsg?:"Out of memory.");
free(errmsg);
}
free(fn);
}
break;
case CTL_INCLUDE: {
char *fn,*errmsg;
DEBUG_MSG("Received INCLUDE command.\n");
if (read_allocstring(rs,&fn,NULL)<=0) {
print_serr(rs,"Bad filename name.");
break;
}
if (read_config_file(fn,NULL,NULL,0,&errmsg))
print_succ(rs);
else {
print_serr(rs,errmsg?:"Out of memory.");
free(errmsg);
}
free(fn);
}
break;
case CTL_EVAL: {
char *str,*errmsg;
DEBUG_MSG("Received EVAL command.\n");
if (!read_allocstring(rs,&str,NULL)) {
print_serr(rs,"Bad input string.");
break;
}
if (confparse(NULL,str,NULL,NULL,0,&errmsg))
print_succ(rs);
else {
print_serr(rs,errmsg?:"Out of memory.");
free(errmsg);
}
free(str);
}
break;
case CTL_EMPTY: {
slist_array sla=NULL;
char *names; unsigned len;
DEBUG_MSG("Received EMPTY command.\n");
if (!read_allocstring(rs,&names,&len)) {
print_serr(rs,"Bad arguments.");
break;
}
if(names) {
char *p=names, *last=names+len;
while(p<last) {
int tp;
char *q;
slist_t *sl;
unsigned sz;
unsigned char rhn[DNSNAMEBUFSIZE];
if(*p=='-') {
tp=C_EXCLUDED;
++p;
}
else {
tp=C_INCLUDED;
if(*p=='+') ++p;
}
/* skip a possible leading dot. */
if(p+1<last && *p=='.' && *(p+1)) ++p;
q=p;
while(q<last && *q) ++q;
if ((errmsg=parsestr2rhn(ucharp p,q-p,rhn))!=NULL) {
DEBUG_MSG("EMPTY: received bad domain name: %s\n",p);
print_serr(rs,errmsg);
goto free_sla_names_break;
}
sz=rhnlen(rhn);
if (!(sla=DA_GROW1_F(sla,free_slist_domain))) {
print_serr(rs,"Out of memory.");
goto free_names_break;
}
sl=&DA_LAST(sla);
if (!(sl->domain=malloc(sz))) {
print_serr(rs,"Out of memory.");
goto free_sla_names_break;
}
memcpy(sl->domain,rhn,sz);
sl->exact=0;
sl->rule=tp;
p = q+1;
}
}
if(empty_cache(sla))
print_succ(rs);
else
print_serr(rs,"Could not lock the cache.");
free_sla_names_break:
free_slist_array(sla);
free_names_break:
free(names);
}
break;
case CTL_DUMP: {
int rv,exact=0;
unsigned char *nm=NULL;
char buf[DNSNAMEBUFSIZE];
unsigned char rhn[DNSNAMEBUFSIZE];
DEBUG_MSG("Received DUMP command.\n");
if (!(rv=read_domain(rs,buf,sizeof(buf)))) {
print_serr(rs,"Bad domain name.");
break;
}
if(rv>0) {
int sz;
exact=1; nm= ucharp buf; sz=sizeof(buf);
if(buf[0]=='.' && buf[1]) {
exact=0; ++nm; --sz;
}
if ((errmsg=parsestr2rhn(nm,sz,rhn))!=NULL)
goto bad_domain_name;
nm=rhn;
}
if(!print_succ(rs))
break;
if((rv=dump_cache(rs,nm,exact))<0 ||
(!rv && fsprintf(rs,"Could not find %s%s in the cache.\n",
exact?"":nm?"any entries matching ":"any entries",
nm?buf:"")<0))
{
DEBUG_MSG("Error writing to control socket: %s\n",strerror(errno));
}
}
break;
incomplete_command:
print_serr(rs,"Malformed or incomplete command.");
break;
bad_arg:
print_serr(rs,"Bad arg.");
break;
bad_domain_name:
print_serr(rs,errmsg);
break;
bad_ttl:
print_serr(rs, "Bad TTL.");
break;
bad_flags:
print_serr(rs, "Bad cache flags.");
break;
out_of_memory:
print_serr(rs,"Out of memory.");
break;
default:
print_serr(rs,"Unknown command.");
}
}
else {
DEBUG_MSG("Incorrect magic number in status-socket command code: %02x\n",cmd>>8);
print_serr(rs,"Command code contains incompatible version number.");
}
}
else {
/*
* Read a configuration file, saving the results in a (separate) global section and servers array,
* and the cache.
*
* char *nm should contain the name of the file to read. If it is NULL, the name of the config file
* read during startup is used.
*
* globparm_t *global should point to a struct which will be used to store the data of the
* global section(s). If it is NULL, no global sections are allowed in the
* file.
*
* servparm_array *servers should point to a dynamic array which will be grown to store the data
* of the server sections. If it is NULL, no server sections are allowed
* in the file.
*
* char **errstr is used to return a possible error message.
* In case of failure, *errstr will refer to a newly allocated string.
*
* read_config_file returns 1 on success, 0 on failure.
*/
int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
{
int retval=0;
const char *conftype= (global?"config":"include");
FILE *in;
if (nm==NULL)
nm=conf_file;
if (!(in=fopen(nm,"r"))) {
if(asprintf(errstr,"Error: Could not open %s file %s: %s",conftype,nm,strerror(errno))<0)
*errstr=NULL;
return 0;
}
if(global || servers) {
/* Check restrictions on ownership and permissions of config file. */
int fd=fileno(in);
struct stat sb;
/* Note by Paul Rombouts: I am using fstat() instead of stat() here to
prevent a possible exploitable race condition */
if (fd==-1 || fstat(fd,&sb)!=0) {
if(asprintf(errstr,
"Error: Could not stat %s file %s: %s",
conftype,nm,strerror(errno))<0)
*errstr=NULL;
goto close_file;
}
else if (sb.st_uid!=init_uid) {
/* Note by Paul Rombouts:
Perhaps we should use getpwuid_r() instead of getpwuid(), which is not necessarily thread safe.
As long as getpwuid() is only used by only one thread, it should be OK,
but it is something to keep in mind.
*/
struct passwd *pws;
char owner[24],user[24];
if((pws=getpwuid(sb.st_uid)))
strncp(owner,pws->pw_name,sizeof(owner));
else
sprintf(owner,"%i",sb.st_uid);
if((pws=getpwuid(init_uid)))
strncp(user,pws->pw_name,sizeof(user));
else
sprintf(user,"%i",init_uid);
if(asprintf(errstr,
"Error: %s file %s is owned by '%s', but pdnsd was started as user '%s'.",
conftype,nm,owner,user)<0)
*errstr=NULL;
goto close_file;
}
else if ((sb.st_mode&(S_IWGRP|S_IWOTH))) {
if(asprintf(errstr,
"Error: Bad %s file permissions: file %s must be only writeable by the user.",
conftype,nm)<0)
*errstr=NULL;
goto close_file;
}
}
retval=confparse(in,NULL,global,servers,includedepth,errstr);
close_file:
if(fclose(in) && retval) {
if(asprintf(errstr,"Error: Could not close %s file %s: %s",
conftype,nm,strerror(errno))<0)
*errstr=NULL;
return 0;
}
if(retval && servers && !DA_NEL(*servers)) {
if(asprintf(errstr,"Error: no server sections defined in config file %s",nm)<0)
*errstr=NULL;
return 0;
}
return retval;
}