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fetchurl: create compound dir of downloaded file

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Fixes #2623
This commit is contained in:
Norman Feske 2017-12-19 15:20:19 +01:00 committed by Christian Helmuth
parent fd89f510ca
commit d873c13e16
1 changed files with 35 additions and 1 deletions
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36
repos/libports/src/app/fetchurl/component.cc
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@ -25,6 +25,7 @@
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
struct Stats
{
@ -95,6 +96,37 @@ void Libc::Component::construct(Libc::Env &env)
char const *out_path = path.base();
/* create compound directories leading to the path */
for (size_t sub_path_len = 0; ; sub_path_len++) {
bool const end_of_path = (out_path[sub_path_len] == 0);
bool const end_of_elem = (out_path[sub_path_len] == '/');
if (end_of_path)
break;
if (!end_of_elem)
continue;
Genode::String<256> sub_path(Genode::Cstring(out_path, sub_path_len));
/* skip '/' */
sub_path_len++;
/* if sub path is a directory, we are fine */
struct stat sb;
sb.st_mode = 0;
stat(sub_path.string(), &sb);
if (S_ISDIR(sb.st_mode))
continue;
/* create directory for sub path */
if (mkdir(sub_path.string(), 0777) < 0) {
Genode::error("failed to create directory ", sub_path);
break;
}
}
int fd = open(out_path, O_CREAT | O_RDWR);
if (fd == -1) {
switch (errno) {
@ -106,9 +138,11 @@ void Libc::Component::construct(Libc::Env &env)
Genode::error(out_path, " is a directory"); break;
case ENOSPC:
Genode::error("cannot create ", out_path, ", out of space"); break;
default:
Genode::error("creation of ", out_path, " failed (errno=", errno, ")");
}
env.parent().exit(errno);
return;
throw Genode::Exception();
}
CURL *curl = curl_easy_init();