Fixes CVE-2021-22876 and CVE-2021-22890. * gnu/packages/curl.scm (curl): Update to 7.76.0.
		
			
				
	
	
		
			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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