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Code Issues Actions 15 Packages Projects Releases Wiki Activity
030d6aeaf3
curl-curl/docs/libcurl
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Viktor Szakats e76968e20d
curl_get_line: fix potential infinite loop when filename is a directory 
Fix potential inifinite loop reading file content with `Curl_get_line()`
when a filename passed via these options are pointing to a directory
entry (on non-Windows):

- `--alt-svc` / `CURLOPT_ALTSVC`
- `-b` / `--cookie` / `CURLOPT_COOKIEFILE`
- `--hsts` / `CURLOPT_HSTS`
- `--netrc-file` / `CURLOPT_NETRC_FILE`

Fix by checking for this condition and silently skipping such filename
without attempting to read content. Add test 1713 to verify.

Mention in cookie documentation as an accepted case, also show a verbose
message when a directory is detected. Extend test 46 to verify if such
failure lets the logic continue to the next cookie file.

Reported-and-based-on-patch-by: Richard Tollerton
Fixes #20823
Closes #20826 (originally-based-on)
Follow-up to 769ccb4d42 #19140

Closes #20873
2026-03-16 11:54:43 +01:00
..
opts curl_get_line: fix potential infinite loop when filename is a directory 2026-03-16 11:54:43 +01:00
.gitignore gitignore: the generated libcurl-symbols.md 2024-01-25 16:34:06 +01:00
ABI.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
CMakeLists.txt cmake: fix building docs when the base directory contains .3 2025-09-16 12:37:11 +02:00
curl_easy_cleanup.md docs: compare result against literal CURLE_OK (where missing) 2026-02-07 19:40:45 +01:00
curl_easy_duphandle.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_escape.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_easy_getinfo.md docs: fixup wording nits 2026-03-09 22:47:07 +01:00
curl_easy_header.md tidy-up: miscellaneous 2026-03-09 11:35:19 +01:00
curl_easy_init.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_nextheader.md curl_easy_nextheader.md: a new transfer invalidates 'prev' 2026-01-13 14:11:15 +01:00
curl_easy_option_by_id.md docs: minor edits to please the new spellchecker regime 2025-02-27 13:15:21 +01:00
curl_easy_option_by_name.md docs: minor edits to please the new spellchecker regime 2025-02-27 13:15:21 +01:00
curl_easy_option_next.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_pause.md tidy-up: miscellaneous 2026-03-09 11:35:19 +01:00
curl_easy_perform.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_recv.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_reset.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_easy_send.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_setopt.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_easy_ssls_export.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_easy_ssls_import.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_strerror.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_easy_unescape.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_easy_upkeep.md mqtt: send ping at upkeep interval 2025-04-16 09:36:19 +02:00
curl_escape.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_formadd.md badwords: avoid 'simply' 2026-03-10 19:34:06 +01:00
curl_formfree.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
curl_formget.md tidy-up: miscellaneous 2026-01-15 13:06:13 +01:00
curl_free.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
curl_getdate.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_getenv.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_global_cleanup.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_global_init_mem.md docs: fixup wording nits 2026-03-09 22:47:07 +01:00
curl_global_init.md docs: handle error in curl_global_init* examples 2026-03-09 13:01:22 +01:00
curl_global_sslset.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_global_trace.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_mime_addpart.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_data_cb.md docs/libcurl: fix C formatting nits 2025-12-04 22:49:03 +01:00
curl_mime_data.md tidy-up: miscellaneous 2026-02-25 14:44:56 +01:00
curl_mime_encoder.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mime_filedata.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mime_filename.md badwords: fix typos found 2026-01-14 03:11:33 +01:00
curl_mime_free.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_headers.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mime_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_name.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mime_subparts.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mime_type.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_mprintf.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_add_handle.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_multi_assign.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_cleanup.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_multi_fdset.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_multi_get_handles.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_multi_get_offt.md curl_multi_get_offt: language fix 2025-08-05 11:48:31 +02:00
curl_multi_info_read.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_init.md docs/libcurl: expand multi documentation 2024-10-01 15:17:17 +02:00
curl_multi_notify_disable.md multi: use CURLMNOTIFY_ as notification id prefix 2025-10-07 17:18:05 +02:00
curl_multi_notify_enable.md multi: use CURLMNOTIFY_ as notification id prefix 2025-10-07 17:18:05 +02:00
curl_multi_perform.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_poll.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_multi_remove_handle.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_setopt.md multi: add notifications API 2025-10-07 10:55:31 +02:00
curl_multi_socket_action.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_multi_socket_all.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_socket.md docs/libcurl: make examples build with picky compiler options 2025-04-11 15:23:51 +02:00
curl_multi_strerror.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_multi_timeout.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_wait.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_multi_waitfds.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_multi_wakeup.md docs: use mresult as variable name for CURLMcode 2025-12-17 08:55:12 +01:00
curl_pushheader_byname.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_pushheader_bynum.md tidy-up: miscellaneous 2026-03-09 11:35:19 +01:00
curl_share_cleanup.md docs/libcurl: add to cleanup docs that their inputs go invalid 2024-07-23 11:18:46 +02:00
curl_share_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_share_setopt.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_share_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_slist_append.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_slist_free_all.md docs/libcurl: make examples build with picky compiler options 2025-04-11 15:23:51 +02:00
curl_strequal.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_strnequal.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_unescape.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_url_cleanup.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
curl_url_dup.md docs/libcurl: return value overhall 2025-01-02 16:58:05 +01:00
curl_url_get.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_url_set.md urlapi: allow more path characters "raw" when asked to URL encode 2025-08-01 23:22:32 +02:00
curl_url_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url.md doc: some returned in-memory data may not be altered 2025-11-25 11:05:27 +01:00
curl_version_info.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
curl_version.md curl_version_info.md: clarify ssl_version for MultiSSL 2025-05-11 12:23:36 -04:00
curl_ws_meta.md docs/libcurl: fix C formatting nits 2025-12-04 22:49:03 +01:00
curl_ws_recv.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_ws_send.md docs: rename CURLcode variables to 'result' 2025-12-17 08:55:12 +01:00
curl_ws_start_frame.md docs: avoid starting sentences with However, 2026-03-07 23:49:11 +01:00
libcurl-easy.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-env-dbg.md easy: reset errorbuf on eyeballing success 2026-02-18 12:04:23 +01:00
libcurl-env.md netrc: use the NETRC environment variable (first) if set 2025-07-27 18:26:43 +02:00
libcurl-errors.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
libcurl-multi.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
libcurl-security.md docs: avoid starting sentences with However, 2026-03-07 23:49:11 +01:00
libcurl-share.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
libcurl-thread.md badwords: avoid 'simply' 2026-03-10 19:34:06 +01:00
libcurl-tutorial.md badwords: avoid 'simply' 2026-03-10 19:34:06 +01:00
libcurl-url.md stop using the word 'just' 2026-03-03 15:30:22 +01:00
libcurl-ws.md websocket: support CURLOPT_READFUNCTION 2025-08-11 23:28:54 +02:00
libcurl.m4 stop using the word 'just' 2026-03-03 15:30:22 +01:00
libcurl.md badwords: avoid 'simply' 2026-03-10 19:34:06 +01:00
Makefile.am tests: always make bundles, adapt build and tests 2025-06-14 21:08:23 +02:00
Makefile.inc tidy-up: miscellaneous 2026-01-15 13:06:13 +01:00
mksymbolsmanpage.pl scripts: enable strict warnings in Perl where missing, fix fallouts 2025-07-27 22:35:18 +02:00
symbols-in-versions curl.h: remove CURLPROTO_MQTTS from the public header 2026-03-03 23:14:34 +01:00
symbols.pl tidy-up: miscellaneous 2026-02-25 14:44:56 +01:00