Inital commit to public repository0.0

1 files changed, 186 insertions, 0 deletions

diff --git a/src/eyefiservice.cc b/src/eyefiservice.cc
new file mode 100644
index 0000000..30c06fa
--- a/dev/null
+++ b/src/eyefiservice.cc
@@ -0,0 +1,186 @@
+#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=2;
+    r.transfermodetimestamp=t;
+    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();
+    /* TODO: try to create, if needed */
+    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;
+}