void dump_core(void)
{
/* Note that even if core dumping has been disabled, we still set up
* the core path. This is to handle the case where core dumping is
* turned on in smb.conf and the relevant daemon is not restarted.
*/
if (!lp_enable_core_files()) {
DEBUG(0, ("Exiting on internal error (core file administratively disabled\n"));
exit(1);
}
if (*corepath != '\0') {
/* The chdir might fail if we dump core before we finish
* processing the config file.
*/
if (chdir(corepath) != 0) {
DEBUG(0, ("unable to change to %s", corepath));
DEBUGADD(0, ("refusing to dump core\n"));
exit(1);
}
DEBUG(0,("dumping core in %s\n", corepath));
}
umask(~(0700));
dbgflush();
/* Ensure we don't have a signal handler for abort. */
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
abort();
}
int
nc_http_read(CURL* curl, const char* objecturl, fileoffset_t start, fileoffset_t count, NCbytes* buf)
{
int stat = NC_NOERR;
char range[64];
long httpcode = 200;
CURLcode cstat = CURLE_OK;
Trace("read");
if(count == 0)
goto done; /* do not attempt to read */
if((stat = setupconn(curl,objecturl,buf)))
goto fail;
/* Set to read byte range */
snprintf(range,sizeof(range),"%ld-%ld",(long)start,(long)((start+count)-1));
cstat = CURLERR(curl_easy_setopt(curl, CURLOPT_RANGE, range));
if(cstat != CURLE_OK)
{stat = NC_ECURL; goto done;}
if((stat = execute(curl,GETCMD,&httpcode)))
goto done;
done:
dbgflush();
return stat;
fail:
stat = NC_ECURL;
goto done;
}
void dump_core(void)
{
static bool called;
if (called) {
DEBUG(0, ("dump_core() called recursive\n"));
exit(1);
}
called = true;
/* Note that even if core dumping has been disabled, we still set up
* the core path. This is to handle the case where core dumping is
* turned on in smb.conf and the relevant daemon is not restarted.
*/
if (!lp_enable_core_files()) {
DEBUG(0, ("Exiting on internal error (core file administratively disabled)\n"));
exit(1);
}
#if DUMP_CORE
/* If we're running as non root we might not be able to dump the core
* file to the corepath. There must not be an unbecome_root() before
* we call abort(). */
if (geteuid() != 0) {
become_root();
}
if (*corepath != '\0') {
/* The chdir might fail if we dump core before we finish
* processing the config file.
*/
if (chdir(corepath) != 0) {
DEBUG(0, ("unable to change to %s\n", corepath));
DEBUGADD(0, ("refusing to dump core\n"));
exit(1);
}
DEBUG(0,("dumping core in %s\n", corepath));
}
umask(~(0700));
dbgflush();
/* Ensure we don't have a signal handler for abort. */
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
abort();
#else /* DUMP_CORE */
exit(1);
#endif /* DUMP_CORE */
}
int
nc_http_close(void* curl0)
{
int stat = NC_NOERR;
CURL* curl = curl0;
Trace("close");
if(curl != NULL)
(void)curl_easy_cleanup(curl);
dbgflush();
return stat;
}
int
nc_http_open(const char* objecturl, void** curlp, long long* filelenp)
{
int stat = NC_NOERR;
CURL* curl = NULL;
int i;
NClist* list = NULL;
Trace("open");
/* initialize curl*/
curl = curl_easy_init();
if (curl == NULL) stat = NC_ECURL;
if(curlp && curl) *curlp = (void*)curl;
if(filelenp) {
*filelenp = -1;
/* Attempt to get the file length using HEAD */
list = nclistnew();
if((stat = setupconn(curl,objecturl,NULL))) goto done;
if((stat = headerson(curl,list))) goto done;
if((stat = execute(curl,HEADCMD,NULL))) goto done;
headersoff(curl);
for(i=0;i<nclistlength(list);i+=2) {
char* s = nclistget(list,i);
if(strcasecmp(s,"content-length")==0) {
s = nclistget(list,i+1);
sscanf(s,"%lld",filelenp);
break;
}
/* Also check for the Accept-Ranges header */
if(strcasecmp(s,"accept-ranges")==0) {
s = nclistget(list,i+1);
if(strcasecmp(s,"bytes")!=0) /* oops! */
{stat = NC_EACCESS; goto done;}
}
}
}
done:
nclistfreeall(list);
dbgflush();
return stat;
}
static void
Trace(const char* fcn)
{
fprintf(stdout,"xxx: %s\n",fcn);
dbgflush();
}
