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#include <cassert>
#include <iostream>
#include <fstream>
#include <stdexcept>
#include <iterator>
#include <syslog.h>
#include <sys/wait.h>
#include <autosprintf.h>
#include "eyekinfig.h"
#include "eyetil.h"
#include "soapeyefiService.h"
static bool detached_child() {
pid_t p = fork();
if(p<0) throw std::runtime_error("failed to fork()");
if(!p) {
p = fork();
if(p<0) {
syslog(LOG_ERR,"Failed to re-fork child process");
_exit(-1);
}
if(!p) {
setsid();
for(int i=getdtablesize();i>=0;--i) close(i);
int i=open("/dev/null",O_RDWR); assert(i==0);
i = dup(i); assert(i==1);
i = dup(i); assert(i==2);
return true;
}
_exit(0);
}
int rc;
if(waitpid(p,&rc,0)<0) throw std::runtime_error("failed to waitpid()");
if(!WIFEXITED(rc)) throw std::runtime_error("error in forked process");
if(WEXITSTATUS(rc)) throw std::runtime_error("forked process signalled error");
return false;
}
int eyefiService::StartSession(
std::string macaddress,std::string cnonce,
int transfermode,long transfermodetimestamp,
struct rns__StartSessionResponse &r ) {
#ifndef NDEBUG
syslog(LOG_DEBUG,
"StartSession request from %s with cnonce=%s, transfermode=%d, transfermodetimestamp=%ld",
macaddress.c_str(), cnonce.c_str(), transfermode, transfermodetimestamp );
#endif
r.credential = binary_t(macaddress+cnonce+eyekinfig_t(macaddress).get_upload_key()).md5().hex();
/* TODO: better nonce generator */
time_t t = time(0);
r.snonce = binary_t(&t,sizeof(t)).md5().hex();
r.transfermode=transfermode;
r.transfermodetimestamp=transfermodetimestamp;
r.upsyncallowed=false;
std::string cmd = eyekinfig_t(macaddress).get_on_start_session();
if(!cmd.empty()) {
if(detached_child()) {
putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
putenv( gnu::autosprintf("EYEFI_TRANSFERMODE=%d",transfermode) );
putenv( gnu::autosprintf("EYEFI_TRANSFERMODETIMESTAMP=%ld",transfermodetimestamp) );
char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
execv("/bin/sh",argv);
syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
_exit(-1);
}
}
return SOAP_OK;
}
int eyefiService::GetPhotoStatus(
std::string credential, std::string macaddress,
std::string filename, long filesize, std::string filesignature,
struct rns__GetPhotoStatusResponse &r ) {
#ifndef NDEBUG
syslog(LOG_DEBUG,
"GetPhotoStatus request from %s with credential=%s, filename=%s, filesize=%ld, filesignature=%s",
macaddress.c_str(), credential.c_str(), filename.c_str(), filesize, filesignature.c_str() );
#endif
r.fileid = 1; r.offset = 0;
return SOAP_OK;
}
int eyefiService::MarkLastPhotoInRoll(
std::string macaddress, int mergedelta,
struct rns__MarkLastPhotoInRollResponse &r ) {
#ifndef NDEBUG
syslog(LOG_DEBUG,
"MarkLastPhotoInRoll request from %s with mergedelta=%d",
macaddress.c_str(), mergedelta );
#endif
std::string cmd = eyekinfig_t(macaddress).get_on_mark_last_photo_in_roll();
if(!cmd.empty()) {
if(detached_child()) {
putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
putenv( gnu::autosprintf("EYEFI_MERGEDELTA=%d",mergedelta) );
char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
execv("/bin/sh",argv);
syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
_exit(-1);
}
}
return SOAP_OK;
}
int eyefiService::UploadPhoto(
int fileid, std::string macaddress,
std::string filename, long filesize, std::string filesignature,
std::string encryption, int flags,
struct rns__UploadPhotoResponse& r ) {
#ifndef NDEBUG
syslog(LOG_DEBUG,
"UploadPhoto request from %s with fileid=%d, filename=%s, filesize=%ld,"
" filesignature=%s, encryption=%s, flags=%04X",
macaddress.c_str(), fileid, filename.c_str(), filesize,
filesignature.c_str(), encryption.c_str(), flags );
#endif
eyekinfig_t eyekinfig(macaddress);
umask(eyekinfig.get_umask());
std::string td = eyekinfig.get_targetdir();
tmpdir_t indir(td+"/.incoming.XXXXXX");
for(soap_multipart::iterator i=mime.begin(),ie=mime.end();i!=ie;++i) {
#ifndef NDEBUG
syslog(LOG_DEBUG,
" MIME attachment with id=%s, type=%s, size=%ld",
(*i).id, (*i).type, (long)(*i).size );
#endif
#ifndef NDEBUG
if((*i).id && !strcmp((*i).id,"INTEGRITYDIGEST")) {
std::string idigest((*i).ptr,(*i).size);
syslog(LOG_DEBUG, " INTEGRITYDIGEST=%s", idigest.c_str());
}
#endif
if( (*i).id && !strcmp((*i).id,"FILENAME") ) {
assert( (*i).type && !strcmp((*i).type,"application/x-tar") );
#ifdef III_SAVE_TARS
std::string tarfile = indir.get_file(filename);
{
std::ofstream(tarfile.c_str(),std::ios::out|std::ios::binary).write((*i).ptr,(*i).size);
}
#endif
tarchive_t a((*i).ptr,(*i).size);
if(!a.read_next_header())
throw std::runtime_error("failed to tarchive_t::read_next_header())");
std::string jf = indir.get_file(a.entry_pathname());
std::string::size_type ls = jf.rfind('/');
std::string jbn = (ls==std::string::npos)?jf:jf.substr(ls+1);
int fd=open(jf.c_str(),O_CREAT|O_WRONLY,0666);
assert(fd>0);
a.read_data_into_fd(fd);
close(fd);
std::string tf = td+'/'+jbn;
bool success = false;
if(!link(jf.c_str(), tf.c_str())) {
unlink(jf.c_str()); success = true;
}else{
for(int i=1;i<32767;++i) {
tf = (const char*)gnu::autosprintf( "%s/(%05d)%s",
td.c_str(), i, jbn.c_str() );
if(!link(jf.c_str(), tf.c_str())) {
unlink(jf.c_str()); success = true;
break;
}
}
}
std::string cmd = eyekinfig.get_on_upload_photo();
if(success && !cmd.empty()) {
if(detached_child()) {
putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
putenv( gnu::autosprintf("EYEFI_UPLOADED=%s",tf.c_str()) );
char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
execv("/bin/sh",argv);
syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
_exit(-1);
}
}
}
}
r.success = true;
return SOAP_OK;
}
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