https://bugs.eressea.de/view.php?id=2712

Make the reports.lua script not break passwords of
 new players.

scripts/reports.lua

@@ -1,4 +1,7 @@
 dofile('config.lua')
 eressea.read_game(get_turn() .. '.dat')
 init_reports()
-write_reports()
+-- do not use write_reports, since it will change passwords
+for f in factions() do
+    write_report(f)
+end

src/bindings.c

@@ -366,7 +366,7 @@ static int tolua_write_report(lua_State * L)
 {
     faction *f = (faction *)tolua_tousertype(L, 1, 0);
     if (f) {
-        int result = write_reports(f);
+        int result = write_reports(f, NULL);
         lua_pushinteger(L, result);
     }
     else {

src/reports.c

@@ -1569,21 +1569,15 @@ void finish_reports(report_context *ctx) {
     }
 }
 
-int write_reports(faction * f)
+int write_reports(faction * f, const char *password)
 {
     bool gotit = false;
     struct report_context ctx;
     const unsigned char utf8_bom[4] = { 0xef, 0xbb, 0xbf, 0 };
     report_type *rtype;
-    char buffer[PASSWORD_MAXSIZE], *password = NULL;
     if (noreports) {
         return false;
     }
-    if (f->lastorders == 0 || f->age <= 1) {
-        /* neue Parteien, oder solche die noch NIE einen Zug gemacht haben,
-         * kriegen ein neues Passwort: */
-        password = faction_genpassword(f, buffer);
-    }
     prepare_report(&ctx, f, password);
     get_addresses(&ctx);
     log_debug("Reports for %s", factionname(f));
@@ -1666,6 +1660,7 @@ int reports(void)
     FILE *mailit;
     int retval = 0;
     char path[PATH_MAX];
+    char buffer[PASSWORD_MAXSIZE];
     const char* rpath = reportpath();
 
     log_info("Writing reports for turn %d:", turn);
@@ -1680,7 +1675,13 @@ int reports(void)
 
     for (f = factions; f; f = f->next) {
         if (f->email && !fval(f, FFL_NPC)) {
-            int error = write_reports(f);
+            char* password = NULL;
+            if (f->lastorders == 0 || f->age <= 1) {
+                /* neue Parteien, oder solche die noch NIE einen Zug gemacht haben,
+                 * kriegen ein neues Passwort: */
+                password = faction_genpassword(f, buffer);
+            }
+            int error = write_reports(f, password);
             if (error)
                 retval = error;
             if (mailit)

src/reports.h

@@ -46,7 +46,7 @@ extern "C" {
         const struct unit *u, unsigned int indent, seen_mode mode);
 
     int reports(void);
-    int write_reports(struct faction *f);
+    int write_reports(struct faction *f, const char *password);
     int init_reports(void);
     void reorder_units(struct region * r);
 

src/reports.test.c

@@ -960,14 +960,18 @@ static void test_reports_genpassword(CuTest *tc) {
     CuAssertIntEquals(tc, 0, f->lastorders);
     CuAssertIntEquals(tc, 0, f->password_id);
     f->options = 0;
-    write_reports(f);
+    /* writing the report does not change the password */
+    write_reports(f, NULL);
+    CuAssertPtrEquals(tc, NULL, test_find_messagetype(f->msgs, "changepasswd"));
+    /* but the main reporting function does */
+    reports();
     CuAssertPtrNotNull(tc, test_find_messagetype(f->msgs, "changepasswd"));
     CuAssertTrue(tc, f->password_id != 0);
     test_clear_messagelist(&f->msgs);
     f->lastorders = 1;
     f->age = 2;
     pwid = f->password_id;
-    write_reports(f);
+    reports();
     CuAssertIntEquals(tc, pwid, f->password_id);
     CuAssertPtrEquals(tc, NULL, test_find_messagetype(f->msgs, "changepasswd"));
     test_teardown();