Qt: Write a list of profile files at startup

This file will contain all personal config files which will be
fetched from a profile.

Change-Id: I430ca84ccefc17f0e21c8efb93a92602ab8d5661
Reviewed-on: https://code.wireshark.org/review/22303
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
(cherry picked from commit a14ef98540af979f0dbc39c728f9fc31a687a16f)
Reviewed-on: https://code.wireshark.org/review/22313
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>

3 files changed, 40 insertions, 0 deletions

diff --git a/wireshark-qt.cpp b/wireshark-qt.cpp
index 7e4d597c7a..45cf6a80fb 100644
--- a/wireshark-qt.cpp
+++ b/wireshark-qt.cpp
@@ -915,6 +915,7 @@ int main(int argc, char *qt_argv[])
     g_free(get_persconffile_path("io_graphs", TRUE));
 
     profile_store_persconffiles(FALSE);
+    profile_write_info_file();
 
     ret_val = wsApp->exec();
 
diff --git a/wsutil/filesystem.c b/wsutil/filesystem.c
index af8d9aba74..32ad9c79b1 100644
--- a/wsutil/filesystem.c
+++ b/wsutil/filesystem.c
@@ -68,6 +68,7 @@
 
 #define PROFILES_DIR    "profiles"
 #define PLUGINS_DIR_NAME    "plugins"
+#define PROFILES_INFO_NAME  "profile_files.txt"
 
 char *persconffile_dir = NULL;
 char *persdatafile_dir = NULL;
@@ -1237,6 +1238,39 @@ profile_store_persconffiles(gboolean store)
     do_store_persconffiles = store;
 }
 
+static gint
+compare_filename(gconstpointer dissector_a, gconstpointer dissector_b)
+{
+    return strcmp((const char*)dissector_a, (const char*)dissector_b);
+}
+
+void
+profile_write_info_file(void)
+{
+    gchar *profile_dir, *info_file, *filename;
+    GList *files, *file;
+    int fd;
+
+    profile_dir = get_profiles_dir();
+    info_file = g_strdup_printf("%s%s%s", profile_dir, G_DIR_SEPARATOR_S, PROFILES_INFO_NAME);
+    fd = ws_open(info_file, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
+
+    files = g_hash_table_get_keys(profile_files);
+    files = g_list_sort(files, compare_filename);
+    file = g_list_first(files);
+    while (file) {
+        filename = (gchar *)file->data;
+        ws_write(fd, filename, (unsigned int)strlen(filename));
+        ws_write(fd, "\n", 1);
+        file = g_list_next(file);
+    }
+    g_list_free(files);
+
+    ws_close(fd);
+    g_free(info_file);
+    g_free(profile_dir);
+}
+
 /*
  * Get the directory in which personal configuration files reside.
  *
diff --git a/wsutil/filesystem.h b/wsutil/filesystem.h
index f09e5ccaea..8b2d9faf54 100644
--- a/wsutil/filesystem.h
+++ b/wsutil/filesystem.h
@@ -143,6 +143,11 @@ WS_DLL_PUBLIC char *get_global_profiles_dir(void);
 WS_DLL_PUBLIC void profile_store_persconffiles(gboolean store);
 
 /*
+ * Store a list of all personal config files which belongs in a profile.
+ */
+WS_DLL_PUBLIC void profile_write_info_file(void);
+
+/*
  * Check if given configuration profile exists.
  */
 WS_DLL_PUBLIC gboolean profile_exists(const gchar *profilename, gboolean global);