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confd: add support for changing text-editor backend

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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2024-03-01 14:13:43 +01:00
parent 84391c18a4
commit ba25914cbe
2 changed files with 66 additions and 0 deletions
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src/confd/src/ietf-system.c
+37
View File
@@ -1092,6 +1092,42 @@ static int change_motd_banner(sr_session_ctx_t *session, uint32_t sub_id, const
return SR_ERR_OK;
}
static int change_editor(sr_session_ctx_t *session, uint32_t sub_id, const char *module,
const char *xpath, sr_event_t event, unsigned request_id, void *priv)
{
const char *alt = "/etc/alternatives/editor";
struct { const char *editor, *path; } map[] = {
{ "emacs", "/usr/bin/mg" },
{ "nano", "/usr/bin/nano" },
{ "vi", "/bin/vi" },
};
char *editor;
int rc = 0;
/* Ignore all events except SR_EV_DONE */
if (event != SR_EV_DONE)
return SR_ERR_OK;
editor = srx_get_str(session, "%s", xpath);
if (editor) {
for (size_t i = 0; i < NELEMS(map); i++) {
if (strcmp(map[i].editor, editor))
continue;
erase(alt);
rc = systemf("ln -s %s %s", map[i].path, alt);
if (rc)
ERROR("Failed setting system editor '%s'", map[i].editor);
}
free(editor);
}
if (rc)
return SR_ERR_SYS;
return SR_ERR_OK;
}
static int change_hostname(sr_session_ctx_t *session, uint32_t sub_id, const char *module,
const char *xpath, sr_event_t event, unsigned request_id, void *priv)
{
@@ -1190,6 +1226,7 @@ int ietf_system_init(struct confd *confd)
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/hostname", 0, change_hostname, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/infix-system:motd", 0, change_motd, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/infix-system:motd-banner", 0, change_motd_banner, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/infix-system:text-editor", 0, change_editor, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/clock", 0, change_clock, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/ntp", 0, change_ntp, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", XPATH_BASE_"/dns-resolver", 0, change_dns, confd, &confd->sub);
src/confd/yang/infix-system@2024-02-29.yang
+29
View File
@@ -49,6 +49,27 @@ module infix-system {
reference "internal";
}
/*
* Identities
*/
identity editor-type {
description "Base identity from which specific editor types are derived.";
}
identity emacs {
description "Micro Emacs clone (mg).";
base editor-type;
}
identity nano {
description "GNU Nano.";
base editor-type;
}
identity vi {
description "The classic UNIX Visual editor.";
base editor-type;
}
/*
* Typedefs
*/
@@ -92,6 +113,14 @@ module infix-system {
timestamp, etc.";
type binary;
}
leaf text-editor {
description "Text editor to use in CLI for text-editor command.";
type identityref {
base editor-type;
}
default emacs;
}
}
augment "/sys:system/sys:authentication/sys:user" {