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luci2: implement password_set call

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This commit is contained in:
Jo-Philipp Wich 2013-07-01 18:07:11 +02:00
parent e8daa19a06
commit 6770afeb9f
1 changed files with 88 additions and 1 deletions
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89
luci2.c
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@ -22,6 +22,7 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
@ -64,6 +65,17 @@ static const struct blobmsg_policy rpc_sshkey_policy[__RPC_K_MAX] = {
[RPC_K_KEYS] = { .name = "keys", .type = BLOBMSG_TYPE_ARRAY },
};
enum {
RPC_P_USER,
RPC_P_PASSWORD,
__RPC_P_MAX
};
static const struct blobmsg_policy rpc_password_policy[__RPC_P_MAX] = {
[RPC_P_USER] = { .name = "user", .type = BLOBMSG_TYPE_STRING },
[RPC_P_PASSWORD] = { .name = "password", .type = BLOBMSG_TYPE_STRING },
};
static int
rpc_errno_status(void)
@ -515,6 +527,79 @@ rpc_luci2_sshkeys_set(struct ubus_context *ctx, struct ubus_object *obj,
return 0;
}
static int
rpc_luci2_password_set(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
pid_t pid;
int fd, fds[2];
struct stat s;
struct blob_attr *tb[__RPC_P_MAX];
blobmsg_parse(rpc_password_policy, __RPC_P_MAX, tb,
blob_data(msg), blob_len(msg));
if (!tb[RPC_P_USER] || !tb[RPC_P_PASSWORD])
return UBUS_STATUS_INVALID_ARGUMENT;
if (stat("/usr/bin/passwd", &s))
return UBUS_STATUS_NOT_FOUND;
if (!(s.st_mode & S_IXUSR))
return UBUS_STATUS_PERMISSION_DENIED;
if (pipe(fds))
return rpc_errno_status();
switch ((pid = fork()))
{
case -1:
close(fds[0]);
close(fds[1]);
return rpc_errno_status();
case 0:
uloop_done();
dup2(fds[0], 0);
close(fds[0]);
close(fds[1]);
if ((fd = open("/dev/null", O_RDWR)) > -1)
{
dup2(fd, 1);
dup2(fd, 2);
close(fd);
}
chdir("/");
if (execl("/usr/bin/passwd", "/usr/bin/passwd",
blobmsg_data(tb[RPC_P_USER]), NULL))
return rpc_errno_status();
default:
close(fds[0]);
write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
write(fds[1], "\n", 1);
usleep(100 * 1000);
write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
write(fds[1], "\n", 1);
close(fds[1]);
waitpid(pid, NULL, 0);
return 0;
}
}
static FILE *
dnsmasq_leasefile(void)
@ -1049,7 +1134,9 @@ int rpc_luci2_api_init(struct ubus_context *ctx)
rpc_init_policy),
UBUS_METHOD_NOARG("sshkeys_get", rpc_luci2_sshkeys_get),
UBUS_METHOD("sshkeys_set", rpc_luci2_sshkeys_set,
rpc_sshkey_policy)
rpc_sshkey_policy),
UBUS_METHOD("password_set", rpc_luci2_password_set,
rpc_password_policy)
};
static struct ubus_object_type luci2_system_type =