[evolution-data-server/gnome-3-36] I#206 - LDAP: Incorrectly converts SExp to LDAP query
- From: Milan Crha <mcrha src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution-data-server/gnome-3-36] I#206 - LDAP: Incorrectly converts SExp to LDAP query
- Date: Mon, 20 Apr 2020 13:08:53 +0000 (UTC)
commit a6ad2a2984ed95a0f3dee56a9b123a5cb083a7a1
Author: Milan Crha <mcrha redhat com>
Date: Mon Apr 20 15:10:38 2020 +0200
I#206 - LDAP: Incorrectly converts SExp to LDAP query
Closes https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/206
.../backends/ldap/e-book-backend-ldap.c | 303 +++++++++------------
1 file changed, 136 insertions(+), 167 deletions(-)
---
diff --git a/src/addressbook/backends/ldap/e-book-backend-ldap.c
b/src/addressbook/backends/ldap/e-book-backend-ldap.c
index a6dd8a065..680b396a8 100644
--- a/src/addressbook/backends/ldap/e-book-backend-ldap.c
+++ b/src/addressbook/backends/ldap/e-book-backend-ldap.c
@@ -3475,7 +3475,6 @@ cert_compare (EContact *ecard1,
}
typedef struct {
- GList *list;
EBookBackendLDAP *bl;
} EBookBackendLDAPSExpData;
@@ -3550,97 +3549,81 @@ extend_query_value (gchar *str)
}
static ESExpResult *
-func_and (struct _ESExp *f,
- gint unused_argc,
- struct _ESExpResult **argv,
- gpointer data)
+join_args (const gchar op,
+ struct _ESExp *ff,
+ gint argc,
+ struct _ESExpResult **argv)
{
- EBookBackendLDAPSExpData *ldap_data = data;
- ESExpResult *r;
- gchar ** strings;
- gint args = g_list_length (ldap_data->list);
-
- if (args > 1) {
- gint i, empty;
-
- strings = g_new0 (gchar *, args + 3);
- strings[0] = g_strdup ("(&");
- strings[args + 3 - 2] = g_strdup (")");
-
- empty = 0;
- for (i = 0; i < args; i++) {
- GList *list_head = ldap_data->list;
- if (!list_head)
- break;
- if (strlen (list_head->data) == 0)
- empty++;
- strings[args - i] = list_head->data;
- ldap_data->list = g_list_remove_link (list_head, list_head);
- g_list_free_1 (list_head);
+ ESExpResult *rr;
+ GString *str = NULL;
+ gint ii;
+
+ if (op == '&' || op == '|') {
+ const gchar *value = NULL;
+ gint valid = 0;
+
+ for (ii = 0; ii < argc; ii++) {
+ ESExpResult *resval = argv[ii];
+
+ if (resval->type == ESEXP_RES_STRING) {
+ valid++;
+ value = resval->value.string;
+ }
}
- if (empty == args)
- ldap_data->list = g_list_prepend (ldap_data->list, g_strdup (" "));
- else
- ldap_data->list = g_list_prepend (ldap_data->list, g_strjoinv (" ", strings));
+ /* '&' or '|' with one argument is useless, thus avoid such */
+ if (valid == 1 && value) {
+ rr = e_sexp_result_new (ff, ESEXP_RES_STRING);
+ rr->value.string = g_strdup (value);
- for (i = 0; i < args + 2; i++)
- g_free (strings[i]);
+ return rr;
+ }
+ }
+
+ for (ii = 0; ii < argc; ii++) {
+ ESExpResult *resval = argv[ii];
+
+ if (resval->type == ESEXP_RES_STRING) {
+ if (!str) {
+ str = g_string_new ("(");
+ g_string_append_c (str, op);
+ } else {
+ g_string_append_c (str, ' ');
+ }
- g_free (strings);
+ g_string_append (str, resval->value.string);
+ }
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (str) {
+ g_string_append_c (str, ')');
- return r;
+ rr = e_sexp_result_new (ff, ESEXP_RES_STRING);
+ rr->value.string = g_string_free (str, FALSE);
+ } else {
+ rr = e_sexp_result_new (ff, ESEXP_RES_BOOL);
+ rr->value.boolean = FALSE;
+ }
+
+ return rr;
+}
+
+static ESExpResult *
+func_and (struct _ESExp *f,
+ gint argc,
+ struct _ESExpResult **argv,
+ gpointer data)
+{
+ return join_args ('&', f, argc, argv);
}
static ESExpResult *
func_or (struct _ESExp *f,
- gint unused_argc,
+ gint argc,
struct _ESExpResult **argv,
gpointer data)
{
- EBookBackendLDAPSExpData *ldap_data = data;
- ESExpResult *r;
- gchar ** strings;
- gint args = g_list_length (ldap_data->list);
-
- if (args > 1) {
- gint i, empty;
-
- strings = g_new0 (gchar *, args + 3);
- strings[0] = g_strdup ("(|");
- strings[args + 3 - 2] = g_strdup (")");
-
- empty = 0;
- for (i = 0; i < args; i++) {
- GList *list_head = ldap_data->list;
- if (!list_head)
- break;
- if (strlen (list_head->data) == 0)
- empty++;
- strings[args - i] = list_head->data;
- ldap_data->list = g_list_remove_link (list_head, list_head);
- g_list_free_1 (list_head);
- }
-
- if (empty == args)
- ldap_data->list = g_list_prepend (ldap_data->list, g_strdup (" "));
- else
- ldap_data->list = g_list_prepend (ldap_data->list, g_strjoinv (" ", strings));
-
- for (i = 0; i < args + 2; i++)
- g_free (strings[i]);
-
- g_free (strings);
- }
-
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
-
- return r;
+ return join_args ('|', f, argc, argv);
}
static ESExpResult *
@@ -3649,20 +3632,7 @@ func_not (struct _ESExp *f,
struct _ESExpResult **argv,
gpointer data)
{
- EBookBackendLDAPSExpData *ldap_data = data;
- ESExpResult *r;
-
- /* just replace the head of the list with the NOT of it. */
- if (argc > 0) {
- gchar *term = ldap_data->list->data;
- ldap_data->list->data = g_strdup_printf ("(!%s)", term);
- g_free (term);
- }
-
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
-
- return r;
+ return join_args ('!', f, argc, argv);
}
static ESExpResult *
@@ -3673,6 +3643,7 @@ func_contains (struct _ESExp *f,
{
EBookBackendLDAPSExpData *ldap_data = data;
ESExpResult *r;
+ gchar *value = NULL;
if (argc == 2
&& argv[0]->type == ESEXP_RES_STRING
@@ -3715,28 +3686,30 @@ func_contains (struct _ESExp *f,
}
g_string_append_c (big_query, ')');
- ldap_data->list = g_list_prepend (ldap_data->list, g_string_free (big_query, FALSE));
+ value = g_string_free (big_query, FALSE);
g_free (match_str);
- }
- else {
+ } else {
const gchar *ldap_attr = query_prop_to_ldap (propname,
ldap_data->bl->priv->evolutionPersonSupported, ldap_data->bl->priv->calEntrySupported);
if (ldap_attr)
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
+ value = g_strdup_printf (
"(%s=*%s%s)",
ldap_attr,
str,
- one_star ? "" : "*"));
+ one_star ? "" : "*");
}
g_free (str);
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (value) {
+ r = e_sexp_result_new (f, ESEXP_RES_STRING);
+ r->value.string = value;
+ } else {
+ r = e_sexp_result_new (f, ESEXP_RES_BOOL);
+ r->value.boolean = FALSE;
+ }
return r;
}
@@ -3749,6 +3722,7 @@ func_is (struct _ESExp *f,
{
EBookBackendLDAPSExpData *ldap_data = data;
ESExpResult *r;
+ gchar *value = NULL;
if (argc == 2
&& argv[0]->type == ESEXP_RES_STRING
@@ -3757,25 +3731,26 @@ func_is (struct _ESExp *f,
gchar *str = rfc2254_escape (argv[1]->value.string);
const gchar *ldap_attr = query_prop_to_ldap (propname,
ldap_data->bl->priv->evolutionPersonSupported, ldap_data->bl->priv->calEntrySupported);
- if (ldap_attr)
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
+ if (ldap_attr) {
+ value = g_strdup_printf (
"(%s=%s)",
- ldap_attr, str));
- else {
+ ldap_attr, str);
+ } else {
g_warning ("LDAP: unknown query property '%s'\n", propname);
/* we want something that'll always be false */
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup ("objectClass=MyBarnIsBiggerThanYourBarn"));
+ value = g_strdup ("objectClass=MyBarnIsBiggerThanYourBarn");
}
g_free (str);
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (value) {
+ r = e_sexp_result_new (f, ESEXP_RES_STRING);
+ r->value.string = value;
+ } else {
+ r = e_sexp_result_new (f, ESEXP_RES_BOOL);
+ r->value.boolean = FALSE;
+ }
return r;
}
@@ -3788,6 +3763,7 @@ func_beginswith (struct _ESExp *f,
{
EBookBackendLDAPSExpData *ldap_data = data;
ESExpResult *r;
+ gchar *value = NULL;
if (argc == 2
&& argv[0]->type == ESEXP_RES_STRING
@@ -3799,10 +3775,9 @@ func_beginswith (struct _ESExp *f,
if (!*str) {
g_free (str);
- ldap_data->list = g_list_prepend (ldap_data->list, g_strdup (""));
-
r = e_sexp_result_new (f, ESEXP_RES_BOOL);
r->value.boolean = FALSE;
+
return r;
}
@@ -3811,41 +3786,33 @@ func_beginswith (struct _ESExp *f,
* and for entries that have no fileAs attribute. */
if (ldap_attr) {
if (!strcmp (propname, "full_name")) {
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
+ value = g_strdup_printf (
"(|(cn=%s*)(sn=%s*))",
- str, str));
- }
- else if (!strcmp (ldap_attr, "fileAs")) {
+ str, str);
+ } else if (!strcmp (ldap_attr, "fileAs")) {
if (ldap_data->bl->priv->evolutionPersonSupported)
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
+ value = g_strdup_printf (
"(|(fileAs=%s*)"
"(&(!(fileAs=*))"
"(sn=%s*)))",
- str, str));
+ str, str);
else
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
- "(sn=%s*)", str));
- }
- else {
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
- "(%s=%s*)",
- ldap_attr, str));
+ value = g_strdup_printf ("(sn=%s*)", str);
+ } else {
+ value = g_strdup_printf ("(%s=%s*)", ldap_attr, str);
}
}
g_free (str);
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (value) {
+ r = e_sexp_result_new (f, ESEXP_RES_STRING);
+ r->value.string = value;
+ } else {
+ r = e_sexp_result_new (f, ESEXP_RES_BOOL);
+ r->value.boolean = FALSE;
+ }
return r;
}
@@ -3858,6 +3825,7 @@ func_endswith (struct _ESExp *f,
{
EBookBackendLDAPSExpData *ldap_data = data;
ESExpResult *r;
+ gchar *value = NULL;
if (argc == 2
&& argv[0]->type == ESEXP_RES_STRING
@@ -3867,16 +3835,19 @@ func_endswith (struct _ESExp *f,
const gchar *ldap_attr = query_prop_to_ldap (propname,
ldap_data->bl->priv->evolutionPersonSupported, ldap_data->bl->priv->calEntrySupported);
if (ldap_attr)
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
+ value = g_strdup_printf (
"(%s=*%s)",
- ldap_attr, str));
+ ldap_attr, str);
g_free (str);
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (value) {
+ r = e_sexp_result_new (f, ESEXP_RES_STRING);
+ r->value.string = value;
+ } else {
+ r = e_sexp_result_new (f, ESEXP_RES_BOOL);
+ r->value.boolean = FALSE;
+ }
return r;
}
@@ -3889,6 +3860,7 @@ func_exists (struct _ESExp *f,
{
EBookBackendLDAPSExpData *ldap_data = data;
ESExpResult *r;
+ gchar *value = NULL;
if (argc == 1
&& argv[0]->type == ESEXP_RES_STRING) {
@@ -3913,21 +3885,22 @@ func_exists (struct _ESExp *f,
}
g_string_append_c (big_query, ')');
- ldap_data->list = g_list_prepend (ldap_data->list, g_string_free (big_query, FALSE));
- }
- else {
+ value = g_string_free (big_query, FALSE);
+ } else {
const gchar *ldap_attr = query_prop_to_ldap (propname,
ldap_data->bl->priv->evolutionPersonSupported, ldap_data->bl->priv->calEntrySupported);
if (ldap_attr)
- ldap_data->list = g_list_prepend (
- ldap_data->list,
- g_strdup_printf (
- "(%s=*)", ldap_attr));
+ value = g_strdup_printf ("(%s=*)", ldap_attr);
}
}
- r = e_sexp_result_new (f, ESEXP_RES_BOOL);
- r->value.boolean = FALSE;
+ if (value) {
+ r = e_sexp_result_new (f, ESEXP_RES_STRING);
+ r->value.string = value;
+ } else {
+ r = e_sexp_result_new (f, ESEXP_RES_BOOL);
+ r->value.boolean = FALSE;
+ }
return r;
}
@@ -3959,7 +3932,6 @@ e_book_backend_ldap_build_query (EBookBackendLDAP *bl,
EBookBackendLDAPSExpData data;
gint i;
- data.list = NULL;
data.bl = bl;
sexp = e_sexp_new ();
@@ -3979,26 +3951,18 @@ e_book_backend_ldap_build_query (EBookBackendLDAP *bl,
if (e_sexp_parse (sexp) == -1) {
g_warning ("%s: Error in parsing '%s': %s", G_STRFUNC, query, e_sexp_get_error (sexp));
g_object_unref (sexp);
- g_list_free_full (data.list, g_free);
return NULL;
}
r = e_sexp_eval (sexp);
- e_sexp_result_free (sexp, r);
- g_object_unref (sexp);
-
- if (data.list) {
- if (data.list->next) {
- g_warning ("LDAP: conversion of '%s' to ldap query string failed", query);
- retval = NULL;
+ if (r && r->type == ESEXP_RES_STRING) {
+ if (bl->priv->ldap_search_filter && *bl->priv->ldap_search_filter &&
+ g_ascii_strcasecmp (bl->priv->ldap_search_filter, "(objectClass=*)") != 0) {
+ retval = g_strdup_printf ("(& %s %s)", bl->priv->ldap_search_filter, r->value.string);
} else {
- if (bl->priv->ldap_search_filter && *bl->priv->ldap_search_filter &&
- g_ascii_strcasecmp (bl->priv->ldap_search_filter, "(objectClass=*)") != 0) {
- retval = g_strdup_printf ("(& %s %s)", bl->priv->ldap_search_filter, (const
gchar *) data.list->data);
- } else {
- retval = g_strdup (data.list->data);
- }
+ retval = r->value.string;
+ r->value.string = NULL;
}
} else {
if (g_strcmp0 (query, "(contains \"x-evolution-any-field\" \"\")") != 0)
@@ -4006,7 +3970,12 @@ e_book_backend_ldap_build_query (EBookBackendLDAP *bl,
retval = NULL;
}
- g_list_free_full (data.list, g_free);
+ e_sexp_result_free (sexp, r);
+ g_object_unref (sexp);
+
+ if (enable_debug)
+ printf ("%s: '%s'~>'%s'\n", G_STRFUNC, query, retval ? retval : "[null]");
+
return retval;
}
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