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Diffstat (limited to 'src/nmtui/nmt-ip-entry.c')
| -rw-r--r-- | src/nmtui/nmt-ip-entry.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/nmtui/nmt-ip-entry.c b/src/nmtui/nmt-ip-entry.c new file mode 100644 index 00000000..b801eec4 --- /dev/null +++ b/src/nmtui/nmt-ip-entry.c @@ -0,0 +1,221 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2013 Red Hat, Inc. + */ + +/** + * SECTION:nmt-ip-entry + * @short_description: #NmtNewtEntry for IP address entry + * + * #NmtIPEntry is an #NmtNewtEntry for entering IP addresses, or IP + * address/prefix combination. It will only allow typing characters + * that are valid in an IP address, and will set its + * #NmtNewtWidget:valid property depending on whether it currently + * contains a valid IP address. + */ + +#include "libnm-client-aux-extern/nm-default-client.h" + +#include <arpa/inet.h> +#include <netinet/in.h> +#include <stdlib.h> + +#include "nmt-ip-entry.h" + +G_DEFINE_TYPE(NmtIPEntry, nmt_ip_entry, NMT_TYPE_NEWT_ENTRY) + +#define NMT_IP_ENTRY_GET_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_IP_ENTRY, NmtIPEntryPrivate)) + +typedef struct { + int family; + gboolean prefix; + gboolean optional; + +} NmtIPEntryPrivate; + +enum { + PROP_0, + PROP_FAMILY, + PROP_PREFIX, + PROP_OPTIONAL, + + LAST_PROP +}; + +/** + * nmt_ip_entry_new: + * @width: the width of the entry + * @family: the IP address family. Eg, %AF_INET + * @prefix: whether to require a trailing "/prefix" + * @optional: whether the address is optional + * + * Creates a new #NmtIPEntry, to accept IP addresses in the indicated + * @family, or (if @prefix is %TRUE), to accept IP address/prefix combos. + * + * If @optional is %TRUE then the address is considered optional, and + * so will still be #NmtNewtWidget:valid even when it is empty. If + * @optional is %FALSE, the entry will be invalid when it is empty. + */ +NmtNewtWidget * +nmt_ip_entry_new(int width, int family, gboolean prefix, gboolean optional) +{ + return g_object_new(NMT_TYPE_IP_ENTRY, + "width", + width, + "family", + family, + "prefix", + prefix, + "optional", + optional, + NULL); +} + +static gboolean +ip_entry_filter(NmtNewtEntry *entry, const char *text, int ch, int position, gpointer user_data) +{ + NmtIPEntryPrivate *priv = NMT_IP_ENTRY_GET_PRIVATE(entry); + const char * slash; + gboolean inaddr; + + if (g_ascii_isdigit(ch)) + return TRUE; + + slash = strchr(text, '/'); + if (ch == '/') + return priv->prefix && slash == NULL; + + inaddr = !slash || (position <= (slash - text)); + + if (priv->family == AF_INET) { + if (ch == '.') + return inaddr; + else + return FALSE; + } else if (priv->family == AF_INET6) { + if (g_ascii_isxdigit(ch) || ch == ':') + return inaddr; + else + return FALSE; + } else + g_return_val_if_reached(FALSE); +} + +static gboolean +ip_entry_validate(NmtNewtEntry *entry, const char *text, gpointer user_data) +{ + NmtIPEntryPrivate *priv = NMT_IP_ENTRY_GET_PRIVATE(entry); + + if (!*text) + return priv->optional; + if (priv->prefix) + return nm_utils_parse_inaddr_prefix(priv->family, text, NULL, NULL); + return nm_utils_parse_inaddr(priv->family, text, NULL); +} + +static void +nmt_ip_entry_init(NmtIPEntry *entry) +{ + nmt_newt_entry_set_filter(NMT_NEWT_ENTRY(entry), ip_entry_filter, NULL); + nmt_newt_entry_set_validator(NMT_NEWT_ENTRY(entry), ip_entry_validate, NULL); +} + +static void +nmt_ip_entry_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +{ + NmtIPEntryPrivate *priv = NMT_IP_ENTRY_GET_PRIVATE(object); + + switch (prop_id) { + case PROP_FAMILY: + priv->family = g_value_get_int(value); + break; + case PROP_PREFIX: + priv->prefix = g_value_get_boolean(value); + break; + case PROP_OPTIONAL: + priv->optional = g_value_get_boolean(value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } +} + +static void +nmt_ip_entry_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + NmtIPEntryPrivate *priv = NMT_IP_ENTRY_GET_PRIVATE(object); + + switch (prop_id) { + case PROP_FAMILY: + g_value_set_int(value, priv->family); + break; + case PROP_PREFIX: + g_value_set_boolean(value, priv->prefix); + break; + case PROP_OPTIONAL: + g_value_set_boolean(value, priv->optional); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } +} + +static void +nmt_ip_entry_class_init(NmtIPEntryClass *entry_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS(entry_class); + + g_type_class_add_private(entry_class, sizeof(NmtIPEntryPrivate)); + + /* virtual methods */ + object_class->set_property = nmt_ip_entry_set_property; + object_class->get_property = nmt_ip_entry_get_property; + + /** + * NmtIPEntry:family: + * + * The address family. Eg, %AF_INET + */ + g_object_class_install_property( + object_class, + PROP_FAMILY, + g_param_spec_int("family", + "", + "", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + /** + * NmtIPEntry:prefix: + * + * If %TRUE, the entry accepts address/prefix combinations. If + * %FALSE it accepts just addresses. + */ + g_object_class_install_property( + object_class, + PROP_PREFIX, + g_param_spec_boolean("prefix", + "", + "", + FALSE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + /** + * NmtIPEntry:optional: + * + * If %TRUE, the entry will be #NmtNewtWidget:valid when it is + * empty. If %FALSE, it will only be valid when it contains a + * valid address or address/prefix. + */ + g_object_class_install_property( + object_class, + PROP_OPTIONAL, + g_param_spec_boolean("optional", + "", + "", + FALSE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); +} |