f4dc8ac6df
Fixes CVE-2021-22876 and CVE-2021-22890. * gnu/packages/curl.scm (curl/fixed): New variable. (curl)[replacement]: New field. * gnu/packages/patches/curl-7.76-use-ssl-cert-env.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
64 lines
2.1 KiB
Diff
64 lines
2.1 KiB
Diff
Make libcurl respect the SSL_CERT_{DIR,FILE} variables by default. The variables
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are fetched during initialization to preserve thread-safety (curl_global_init(3)
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must be called when no other threads exist).
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This fixes network functionality in rust:cargo, and probably removes the need
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for other future workarounds.
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===================================================================
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--- curl-7.66.0.orig/lib/easy.c 2020-01-02 15:43:11.883921171 +0100
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+++ curl-7.66.0/lib/easy.c 2020-01-02 16:18:54.691882797 +0100
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@@ -134,6 +134,9 @@
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# pragma warning(default:4232) /* MSVC extension, dllimport identity */
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#endif
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+char * Curl_ssl_cert_dir = NULL;
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+char * Curl_ssl_cert_file = NULL;
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+
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/**
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* curl_global_init() globally initializes curl given a bitwise set of the
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* different features of what to initialize.
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@@ -155,6 +158,9 @@
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#endif
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}
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+ Curl_ssl_cert_dir = curl_getenv("SSL_CERT_DIR");
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+ Curl_ssl_cert_file = curl_getenv("SSL_CERT_FILE");
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+
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if(!Curl_ssl_init()) {
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DEBUGF(fprintf(stderr, "Error: Curl_ssl_init failed\n"));
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return CURLE_FAILED_INIT;
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@@ -260,6 +266,9 @@
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Curl_ssl_cleanup();
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Curl_resolver_global_cleanup();
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+ free(Curl_ssl_cert_dir);
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+ free(Curl_ssl_cert_file);
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+
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#ifdef WIN32
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Curl_win32_cleanup(init_flags);
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#endif
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diff -ur curl-7.66.0.orig/lib/url.c curl-7.66.0/lib/url.c
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--- curl-7.66.0.orig/lib/url.c 2020-01-02 15:43:11.883921171 +0100
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+++ curl-7.66.0/lib/url.c 2020-01-02 16:21:11.563880346 +0100
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@@ -524,6 +524,21 @@
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if(result)
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return result;
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#endif
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+ extern char * Curl_ssl_cert_dir;
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+ extern char * Curl_ssl_cert_file;
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+ if(Curl_ssl_cert_dir) {
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+ if(result = Curl_setstropt(&set->str[STRING_SSL_CAPATH], Curl_ssl_cert_dir))
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+ return result;
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+ if(result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_PROXY], Curl_ssl_cert_dir))
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+ return result;
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+ }
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+
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+ if(Curl_ssl_cert_file) {
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+ if(result = Curl_setstropt(&set->str[STRING_SSL_CAFILE], Curl_ssl_cert_file))
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+ return result;
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+ if(result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_PROXY], Curl_ssl_cert_file))
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+ return result;
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+ }
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}
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set->wildcard_enabled = FALSE;
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