| -rw-r--r-- | src/eyefiservice.cc | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/eyefiservice.cc b/src/eyefiservice.cc deleted file mode 100644 index 4a4a179..0000000 --- a/src/eyefiservice.cc +++ b/dev/null @@ -1,290 +0,0 @@ -#include <cassert> -#include <iostream> -#include <fstream> -#include <stdexcept> -#include <iterator> -#include <algorithm> -#include <syslog.h> -#include <sys/wait.h> -#include <autosprintf.h> -#include "eyekinfig.h" -#include "eyetil.h" -#include "soapeyefiService.h" -#ifdef HAVE_SQLITE -# include "iiidb.h" -#endif - -static binary_t session_nonce; -#ifdef HAVE_SQLITE - static struct { - std::string filesignature; - long filesize; - std::string filename; - inline void reset() { filesignature.erase(); filename.erase(); filesize=0; } - inline void set(const std::string n,const std::string sig,long siz) { - filename = n; filesignature = sig; filesize = siz; - } - inline bool is(const std::string n,const std::string sig,long siz) { - return filesize==siz && filename==n && filesignature==sig; - } - } already; -#endif /* HAVE_SQLITE */ - -static bool detached_child() { - pid_t p = fork(); - if(p<0) { - syslog(LOG_ERR,"Failed to fork away for hook execution"); - _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; - } - return false; -} - -static int E(eyefiService* efs,const char *c,const std::exception& e) { - efs->keep_alive=0; - syslog(LOG_ERR,"error while processing %s: %s",c,e.what()); - return soap_sender_fault(efs,gnu::autosprintf("error processing %s",c),0); -} - -int eyefiService::StartSession( - std::string macaddress,std::string cnonce, - int transfermode,long transfermodetimestamp, - struct rns__StartSessionResponse &r ) try { - syslog(LOG_INFO, - "StartSession request from %s with cnonce=%s, transfermode=%d, transfermodetimestamp=%ld", - macaddress.c_str(), cnonce.c_str(), transfermode, transfermodetimestamp ); - eyekinfig_t eyekinfig(macaddress); - r.credential = binary_t(macaddress+cnonce+eyekinfig.get_upload_key()).md5().hex(); - - r.snonce = session_nonce.make_nonce().hex(); - r.transfermode=transfermode; - r.transfermodetimestamp=transfermodetimestamp; - r.upsyncallowed=false; - - std::string cmd = eyekinfig.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; -}catch(const std::exception& e) { return E(this,"StartSession",e); } - -int eyefiService::GetPhotoStatus( - std::string credential, std::string macaddress, - std::string filename, long filesize, std::string filesignature, - int flags, - struct rns__GetPhotoStatusResponse &r ) try { - syslog(LOG_INFO, - "GetPhotoStatus request from %s with credential=%s, filename=%s, filesize=%ld, filesignature=%s, flags=%d; session nonce=%s", - macaddress.c_str(), credential.c_str(), filename.c_str(), filesize, filesignature.c_str(), flags, - session_nonce.hex().c_str() ); - - eyekinfig_t eyekinfig(macaddress); - std::string computed_credential = binary_t(macaddress+eyekinfig.get_upload_key()+session_nonce.hex()).md5().hex(); - -#ifndef NDEBUG - syslog(LOG_DEBUG, " computed credential=%s", computed_credential.c_str()); -#endif - - if (credential != computed_credential) throw std::runtime_error("card authentication failed"); - -#ifdef HAVE_SQLITE - iiidb_t D(eyekinfig); - seclude::stmt_t S = D.prepare( - "SELECT fileid FROM photo" - " WHERE mac=:mac AND filename=:filename" - " AND filesize=:filesize AND filesignature=:filesignature" - ).bind(":mac",macaddress) - .bind(":filename",filename).bind(":filesize",filesize) - .bind(":filesignature",filesignature); - if(!S.step()) { - r.fileid = 1; r.offset = 0; - }else{ - r.fileid = S.column<long>(0); - r.offset = filesize; - already.set(filename,filesignature,filesize); - } -#else /* HAVE_SQLITE */ - r.fileid=1, r.offset=0; -#endif /* HAVE_SQLITE */ - return SOAP_OK; -}catch(const std::exception& e) { return E(this,"GetPhotoStatus",e); } - -int eyefiService::MarkLastPhotoInRoll( - std::string macaddress, int mergedelta, - struct rns__MarkLastPhotoInRollResponse&/* r */ ) try { - syslog(LOG_INFO, - "MarkLastPhotoInRoll request from %s with mergedelta=%d", - macaddress.c_str(), mergedelta ); - 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); - } - } - keep_alive = 0; - return SOAP_OK; -}catch(const std::exception& e) { return E(this,"MarkLastPhotoInRoll",e); } - -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 ) try { - syslog(LOG_INFO, - "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 ); - std::string::size_type fnl=filename.length(); - if(fnl<sizeof(".tar") || strncmp(filename.c_str()+fnl-sizeof(".tar")+sizeof(""),".tar",sizeof(".tar"))) - throw std::runtime_error(gnu::autosprintf("honestly, I expected the tarball coming here, not '%s'",filename.c_str())); - std::string the_file(filename,0,fnl-sizeof(".tar")+sizeof("")); - std::string the_log = the_file+".log"; - - eyekinfig_t eyekinfig(macaddress); - - umask(eyekinfig.get_umask()); - - std::string td = eyekinfig.get_targetdir(); - tmpdir_t indir(td+"/.incoming.XXXXXX"); - - std::string tf,lf; - binary_t digest, idigest; -#ifdef HAVE_SQLITE - bool beenthere = false; -#endif - - 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 - - if((*i).id && !strcmp((*i).id,"INTEGRITYDIGEST")) { - std::string idigestr((*i).ptr,(*i).size); -#ifndef NDEBUG - syslog(LOG_DEBUG, " INTEGRITYDIGEST=%s", idigestr.c_str()); -#endif - idigest.from_hex(idigestr); - } - 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 - - if(!tf.empty()) throw std::runtime_error("already seen tarball"); - if(!digest.empty()) throw std::runtime_error("already have integrity digest"); - digest = integrity_digest((*i).ptr,(*i).size,eyekinfig.get_upload_key()); -#ifndef NDEBUG - syslog(LOG_DEBUG," computed integrity digest=%s", digest.hex().c_str()); -#endif -#ifdef HAVE_SQLITE - if(!(*i).size) { - if(!already.is(filename,filesignature,filesize)) - throw std::runtime_error("got zero-length upload for unknown file"); - beenthere = true; continue; - } -#endif - - tarchive_t a((*i).ptr,(*i).size); - while(a.read_next_header()) { - std::string ep = a.entry_pathname(), f = indir.get_file(ep); - if(ep==the_file) tf = f; - else if(ep==the_log) lf = f; - else continue; - int fd=open(f.c_str(),O_CREAT|O_WRONLY,0666); - if(fd<0) - throw std::runtime_error(gnu::autosprintf("failed to create output file '%s'",f.c_str())); - if(!a.read_data_into_fd(fd)) - throw std::runtime_error(gnu::autosprintf("failed to untar file into '%s'",f.c_str())); - close(fd); - } - } - } - -#ifdef HAVE_SQLITE - if(beenthere) { - r.success=true; - return SOAP_OK; - } -#endif - - if(tf.empty()) throw std::runtime_error("haven't seen THE file"); - if(digest!=idigest) throw std::runtime_error("integrity digest verification failed"); - - std::string::size_type ls = tf.rfind('/'); - // XXX: actually, lack of '/' signifies error here - std::string tbn = (ls==std::string::npos)?tf:tf.substr(ls+1); - ls = lf.rfind('/'); - std::string lbn = (ls==std::string::npos)?lf:lf.substr(ls+1); - std::string ttf,tlf; - bool success = false; - for(int i=0;i<32767;++i) { - const char *fmt = i ? "%1$s/(%3$05d)%2$s" : "%1$s/%2$s"; - ttf = (const char*)gnu::autosprintf(fmt,td.c_str(),tbn.c_str(),i); - if(!lf.empty()) tlf = (const char*)gnu::autosprintf(fmt,td.c_str(),lbn.c_str(),i); - if( (!link(tf.c_str(),ttf.c_str())) && (lf.empty() || !link(lf.c_str(),tlf.c_str())) ) { - unlink(tf.c_str()); - if(!lf.empty()) unlink(lf.c_str()); - success=true; - break; - } - } - std::string cmd = eyekinfig.get_on_upload_photo(); - if(success) { -#ifdef HAVE_SQLITE - { - iiidb_t D(eyekinfig); - D.prepare( - "INSERT INTO photo" - " (ctime,mac,fileid,filename,filesize,filesignature,encryption,flags)" - " VALUES" - " (:ctime,:mac,:fileid,:filename,:filesize,:filesignature,:encryption,:flags)" - ).bind(":ctime",time(0)) - .bind(":mac",macaddress) - .bind(":fileid",fileid).bind(":filename",filename) - .bind(":filesize",filesize).bind(":filesignature",filesignature) - .bind(":encryption",encryption).bind(":flags",flags) - .step(); - } -#endif /* HAVE_SQLITE */ - if((!cmd.empty()) && detached_child()) { - putenv( gnu::autosprintf("EYEFI_UPLOADED_ORIG=%s",tbn.c_str()) ); - putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) ); - putenv( gnu::autosprintf("EYEFI_UPLOADED=%s",ttf.c_str()) ); - if(!lf.empty()) putenv( gnu::autosprintf("EYEFI_LOG=%s",tlf.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; -}catch(const std::exception& e) { return E(this,"UploadPhoto",e); } |