cgitsb/ui-plain.c
Lars Hjemli 82a883ede7 Use GIT-1.7.3
This fixes http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-2542.

Noticed-by: Silvio Cesare <silvio.cesare@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2010-09-27 07:58:13 +02:00

95 lignes
2.1 KiB
C

/* ui-plain.c: functions for output of plain blobs by path
*
* Copyright (C) 2008 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "html.h"
#include "ui-shared.h"
char *curr_rev;
char *match_path;
int match;
static void print_object(const unsigned char *sha1, const char *path)
{
enum object_type type;
char *buf, *ext;
unsigned long size;
struct string_list_item *mime;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
html_status(404, "Not found", 0);
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
html_status(404, "Not found", 0);
return;
}
ctx.page.mimetype = NULL;
ext = strrchr(path, '.');
if (ext && *(++ext)) {
mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
if (mime)
ctx.page.mimetype = (char *)mime->util;
}
if (!ctx.page.mimetype) {
if (buffer_is_binary(buf, size))
ctx.page.mimetype = "application/octet-stream";
else
ctx.page.mimetype = "text/plain";
}
ctx.page.filename = fmt("%s", path);
ctx.page.size = size;
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
html_raw(buf, size);
match = 1;
}
static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage,
void *cbdata)
{
if (S_ISDIR(mode))
return READ_TREE_RECURSIVE;
if (S_ISREG(mode) && !strncmp(base, match_path, baselen) &&
!strcmp(pathname, match_path + baselen))
print_object(sha1, pathname);
return 0;
}
void cgit_print_plain(struct cgit_context *ctx)
{
const char *rev = ctx->qry.sha1;
unsigned char sha1[20];
struct commit *commit;
const char *paths[] = {ctx->qry.path, NULL};
if (!rev)
rev = ctx->qry.head;
curr_rev = xstrdup(rev);
if (get_sha1(rev, sha1)) {
html_status(404, "Not found", 0);
return;
}
commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit)) {
html_status(404, "Not found", 0);
return;
}
match_path = ctx->qry.path;
read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
if (!match)
html_status(404, "Not found", 0);
}