make upload directory if it doesn't exist

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/eyetil.cc b/src/eyetil.cc
index d00c2ee..2fbd687 100644
--- a/src/eyetil.cc
+++ b/src/eyetil.cc
@@ -1,103 +1,119 @@
 #include <stdlib.h>
+#include <sys/stat.h>
 #include <syslog.h>
 #include <iostream>
 #include <cassert>
 #include <stdexcept>
 #include <openssl/md5.h>
 #include "eyetil.h"
 
 binary_t& binary_t::from_hex(const std::string& h) {
     /* TODO: algorithmize */
     std::string::size_type hs = h.length();
     if(hs&1)
         throw std::runtime_error("odd number of characters in hexadecimal number");
     int rvs = hs>>1;
     resize(rvs);
     const unsigned char *hp = (const unsigned char*)h.data();
     iterator oi=begin();
     char t[3] = { 0,0,0 };
     for(int i=0;i<rvs;++i) {
         t[0]=*(hp++); t[1]=*(hp++);
         *(oi++) = strtol(t,0,16);
     }
     return *this;
 }
 
 binary_t& binary_t::from_data(const void *d,size_t s) {
     resize(s);
     std::copy((const unsigned char*)d,(const unsigned char *)d+s,
             begin() );
     return *this;
 }
 
 std::string binary_t::hex() const {
     std::string rv;
     rv.reserve((size()<<1)+1);
     char t[3] = {0,0,0};
     for(const_iterator i=begin(),ie=end();i!=ie;++i) {
         int rc = snprintf(t,sizeof(t),"%02x",*i);
         assert(rc<sizeof(t));
         rv += t;
     }
     return rv;
 }
 
 binary_t binary_t::md5() const {
     binary_t rv(MD5_DIGEST_LENGTH);
     if(!MD5(
                 (const unsigned char*)&(front()),size(),
                 (unsigned char*)&(rv.front()) ))
         throw std::runtime_error("failed to md5()");
     return rv;
 }
 
+static void make_path_for_template(const std::string& p,mode_t m) {
+    struct stat st;
+    std::string pp;
+    for(std::string::size_type sl=p.find('/',1);
+            sl!=std::string::npos;
+            sl=p.find('/',sl+1)) {
+        if(stat( (pp=p.substr(0,sl)).c_str() ,&st)
+                || !S_ISDIR(st.st_mode)) {
+            if(mkdir(pp.c_str(),m))
+                throw std::runtime_error("failed to mkdir()");
+        }
+    }
+}
+
 tmpdir_t::tmpdir_t(const std::string& dt) : dir(dt) {
+    make_path_for_template(dt,0777);
     if(!mkdtemp((char*)dir.data()))
         throw std::runtime_error("failed to mkdtmp()");
 }
 tmpdir_t::~tmpdir_t() {
     assert(!dir.empty());
     if(rmdir(dir.c_str())) {
         syslog(LOG_WARNING,"Failed to remove '%s' directory",dir.c_str());
     }
 }
 
 std::string tmpdir_t::get_file(const std::string& f) {
     std::string::size_type ls = f.rfind('/');
     return dir+'/'+(
             (ls==std::string::npos)
             ? f
             : f.substr(ls+1)
         );
 }
 
 tarchive_t::tarchive_t(void *p,size_t s) : a(archive_read_new()), e(0) {
     if(!a) throw std::runtime_error("failed to archive_read_new()");
     if(archive_read_support_format_tar(a)) {
         archive_read_finish(a);
         throw std::runtime_error("failed to archive_read_support_format_tar()");
     }
     if(archive_read_open_memory(a,p,s)) {
         archive_read_finish(a);
         throw std::runtime_error("failed to archive_read_open_memory()");
     }
 }
 tarchive_t::~tarchive_t() {
     assert(a);
     archive_read_finish(a);
 }
 
 bool tarchive_t::read_next_header() {
     assert(a);
     return archive_read_next_header(a,&e)==ARCHIVE_OK;
 }
 
 std::string tarchive_t::entry_pathname() {
     assert(a); assert(e);
     return archive_entry_pathname(e);
 }
 
 bool tarchive_t::read_data_into_fd(int fd) {
     assert(a);
     return archive_read_data_into_fd(a,fd)==ARCHIVE_OK;
 }