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Add new debian database in libcd #2572

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Add new debian database in libcd #2572

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d1fb5a8
Add libcd new debian database for urls
dgagn Mar 31, 2025
49f740f
Modify the changelog to add the change
dgagn Mar 31, 2025
347df4c
Fix the indentation on comment
dgagn Mar 31, 2025
1e6407e
Fix possible attribute error
dgagn Apr 3, 2025
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@ The table below shows which release corresponds to each branch, and what date th
- [#2504][2504] doc: add example case for `tuple` (host, port pair) in `gdb.attach`
- [#2546][2546] ssh: Allow passing disabled_algorithms keyword argument from ssh to paramiko
- [#2538][2538] Add `ssh -L` / `ssh.connect_remote()` workaround when `AllowTcpForwarding` is disabled
- [#2572][2572] Add new debian database in libcd

[2551]: https://github.com/Gallopsled/pwntools/pull/2551
[2519]: https://github.com/Gallopsled/pwntools/pull/2519
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15 changes: 12 additions & 3 deletions pwnlib/libcdb.py
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Expand Up @@ -501,12 +501,15 @@ def _extract_pkgfile(cache_dir, package_filename, package):
def _find_libc_package_lib_url(libc):
# Check https://libc.rip for the libc package
libc_match = query_libc_rip({'buildid': enhex(libc.buildid)})
maybe_deb_version = None
if libc_match is not None:
for match in libc_match:
# Allow to override url with a caching proxy in CI
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We still need this in our testing pipeline to get a speedup.

ubuntu_archive_url = os.environ.get('PWN_UBUNTU_ARCHIVE_URL', 'http://archive.ubuntu.com').rstrip('/')
yield match['libs_url'].replace('http://archive.ubuntu.com', ubuntu_archive_url)

url = match['libs_url']
if "deb.debian.org/debian" in url:
maybe_deb_version = url
yield url

# Check launchpad.net if it's an Ubuntu libc
# GNU C Library (Ubuntu GLIBC 2.36-0ubuntu4)
import re
Expand All @@ -515,6 +518,12 @@ def _find_libc_package_lib_url(libc):
libc_version = version.group(1).decode()
yield 'https://launchpad.net/ubuntu/+archive/primary/+files/libc6_{}_{}.deb'.format(libc_version, libc.arch)

# check debian.sipwise.com if it's a debian libc
if maybe_deb_version is not None:
maybe_deb_version = maybe_deb_version.split('/')[-1]
if maybe_deb_version is not None:
yield 'https://debian.sipwise.com/debian-security/pool/main/g/glibc/{}'.format(maybe_deb_version)

def download_libraries(libc_path, unstrip=True):
"""download_libraries(str, bool) -> str
Download the matching libraries for the given libc binary and cache
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