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-rw-r--r--src/tool_dirhie.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/src/tool_dirhie.c b/src/tool_dirhie.c
index 06b3c03e8..a55503995 100644
--- a/src/tool_dirhie.c
+++ b/src/tool_dirhie.c
@@ -125,6 +125,7 @@ CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
tempdir = strtok(outdup, PATH_DELIMITERS);
while(tempdir != NULL) {
+ bool skip = false;
tempdir2 = strtok(NULL, PATH_DELIMITERS);
/* since strtok returns a token for the last word even
if not ending with DIR_CHAR, we need to prune it */
@@ -133,13 +134,27 @@ CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
if(dlen)
msnprintf(&dirbuildup[dlen], outlen - dlen, "%s%s", DIR_CHAR, tempdir);
else {
- if(outdup == tempdir)
+ if(outdup == tempdir) {
+#if defined(MSDOS) || defined(WIN32)
+ /* Skip creating a drive's current directory.
+ It may seem as though that would harmlessly fail but it could be
+ a corner case if X: did not exist, since we would be creating it
+ erroneously.
+ eg if outfile is X:\foo\bar\filename then don't mkdir X:
+ This logic takes into account unsupported drives !:, 1:, etc. */
+ char *p = strchr(tempdir, ':');
+ if(p && !p[1])
+ skip = true;
+#endif
/* the output string doesn't start with a separator */
strcpy(dirbuildup, tempdir);
+ }
else
msnprintf(dirbuildup, outlen, "%s%s", DIR_CHAR, tempdir);
}
- if((-1 == mkdir(dirbuildup, (mode_t)0000750)) && (errno != EEXIST)) {
+ /* Create directory. Ignore access denied error to allow traversal. */
+ if(!skip && (-1 == mkdir(dirbuildup, (mode_t)0000750)) &&
+ (errno != EACCES) && (errno != EEXIST)) {
show_dir_errno(errors, dirbuildup);
result = CURLE_WRITE_ERROR;
break; /* get out of loop */