X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=secnet.h;h=5c351afb44a6e04d3e78308a67627e4e383268a0;hb=686e21aa2afbd14c3e59962f02a31c4dcd62e5d8;hp=84e732d88fd2c952d5cbf5ddd9069b79246f67a1;hpb=bd7f386bb44f2f8e2c6d77ea176026e88176412e;p=secnet.git

diff --git a/secnet.h b/secnet.h
index 84e732d..5c351af 100644
--- a/secnet.h
+++ b/secnet.h
@@ -45,6 +45,8 @@
 
 #include <bsd/sys/queue.h>
 
+#include "osdep.h"
+
 #define MAX_PEER_ADDRS 5
 /* send at most this many copies; honour at most that many addresses */
 
@@ -375,6 +377,7 @@ typedef void init_module(dict_t *dict);
 
 extern void init_builtin_modules(dict_t *dict);
 
+extern init_module pubkeys_init;
 extern init_module resolver_module;
 extern init_module random_module;
 extern init_module udp_module;
@@ -402,22 +405,28 @@ struct sigscheme_info;
 typedef bool_t sigscheme_loadpub(const struct sigscheme_info *algo,
 				 struct buffer_if *pubkeydata,
 				 struct sigpubkey_if **sigpub_r,
-				 struct log_if *log);
+				 closure_t **closure_r,
+				 struct log_if *log, struct cloc loc);
   /* pubkeydata is (supposedly) for this algorithm.
    * loadpub should log an error if it fails.
-   * pubkeydata may be modified (but not freed) */
+   * pubkeydata may be modified (but not freed).
+   * both *sigpub_r and *closure_r must always be written and must
+   * refer to the same object, so on successful return
+   * (*closure_r)->type==CL_SIGPUBKEY
+   * and (*closure_r)->interface==*sigpub_r */
 
 typedef bool_t sigscheme_loadpriv(const struct sigscheme_info *algo,
 				  struct buffer_if *privkeydata,
 				  struct sigprivkey_if **sigpriv_r,
-				  struct log_if *log);
-  /* privkeydata may contain data for any algorithm, not necessarily
-   * this one!  If it is not for this algorithm, return False and do
-   * not log anything (other than at M_DEBUG).  If it *is* for this
-   * algorithm but is wrong, log at M_ERROR.
-   * On entry privkeydata->base==start.  loadpriv may modify base and
-   * size, but not anything else.  So it may use unprepend and
-   * unappend. */
+				  closure_t **closure_r,
+				  struct log_if *log, struct cloc loc);
+  /* Ideally, check whether privkeydata contains data for any algorithm.
+   * That avoids security problems if a key file is misidentified (which
+   * might happen if the file is simply renamed).
+   * If there is an error (including that the key data is not for this
+   * algorithm, return False and log an error at M_ERROR.
+   * On entry privkeydata->base==start.  loadpriv may modify
+   * privkeydata, including the contents. */
 
 struct sigscheme_info {
     const char *name;
@@ -429,6 +438,11 @@ struct sigscheme_info {
 extern const struct sigscheme_info rsa1_sigscheme;
 extern const struct sigscheme_info sigschemes[]; /* sentinel has name==0 */
 
+const struct sigscheme_info *sigscheme_lookup(const char *name);
+
+extern sigscheme_loadpriv rsa1_loadpriv;
+extern sigscheme_loadpub  rsa1_loadpub;
+
 /***** END of signature schemes *****/
 
 /***** CLOSURE TYPES and interface definitions *****/
@@ -627,6 +641,24 @@ FORMAT(printf,3,4);
 extern void vslilog_part(struct log_if *lf, int class, const char *message,
 			 va_list) FORMAT(printf,3,0);
 
+void cfgfile_log__vmsg(void *sst, int class, const char *message, va_list);
+struct cfgfile_log {
+    struct log_if log;
+    /* private fields */
+    struct cloc loc;
+    const char *facility;
+};
+static inline void cfgfile_log_init(struct cfgfile_log *cfl,
+				    struct cloc loc, const char *facility)
+{
+    cfl->log.st=cfl;
+    cfl->log.vlogfn=cfgfile_log__vmsg;
+    cfl->loc=loc;
+    cfl->facility=facility;
+}
+
+void log_early_init(void);
+
 /* SITE interface */
 
 /* Pretty much a placeholder; allows starting and stopping of processing,
@@ -805,7 +837,7 @@ extern NORETURN(cfgfatal(struct cloc loc, cstring_t facility,
 extern void cfgfile_postreadcheck(struct cloc loc, FILE *f);
 extern NORETURN(vcfgfatal_maybefile(FILE *maybe_f, struct cloc loc,
 				    cstring_t facility, const char *message,
-				    va_list))
+				    va_list, const char *suffix))
     FORMAT(printf,4,0);
 extern NORETURN(cfgfatal_maybefile(FILE *maybe_f, struct cloc loc,
 				   cstring_t facility,