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146 lines
3.4 KiB
C
146 lines
3.4 KiB
C
/* $Id: cmd-set-password.c,v 1.9 2009-09-22 14:06:40 tcunha Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <pwd.h>
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#include <unistd.h>
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#include "tmux.h"
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/*
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* Set server password.
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*/
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int cmd_set_password_parse(struct cmd *, int, char **, char **);
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int cmd_set_password_exec(struct cmd *, struct cmd_ctx *);
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void cmd_set_password_free(struct cmd *);
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void cmd_set_password_init(struct cmd *, int);
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size_t cmd_set_password_print(struct cmd *, char *, size_t);
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struct cmd_set_password_data {
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char *password;
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int flag_encrypted;
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};
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const struct cmd_entry cmd_set_password_entry = {
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"set-password", "pass",
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"[-c] password",
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0, 0,
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cmd_set_password_init,
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cmd_set_password_parse,
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cmd_set_password_exec,
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cmd_set_password_free,
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cmd_set_password_print
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};
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void
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cmd_set_password_init(struct cmd *self, unused int arg)
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{
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struct cmd_set_password_data *data;
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self->data = data = xmalloc(sizeof *data);
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data->password = NULL;
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data->flag_encrypted = 0;
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}
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int
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cmd_set_password_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_set_password_data *data;
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int opt;
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char *out;
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self->entry->init(self, KEYC_NONE);
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data = self->data;
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while ((opt = getopt(argc, argv, "c")) != -1) {
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switch (opt) {
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case 'c':
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data->flag_encrypted = 1;
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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goto usage;
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if (!data->flag_encrypted) {
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if ((out = crypt(argv[0], "$1")) != NULL)
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data->password = xstrdup(out);
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} else
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data->password = xstrdup(argv[0]);
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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self->entry->free(self);
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return (-1);
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}
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int
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cmd_set_password_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_set_password_data *data = self->data;
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if (data->password == NULL) {
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ctx->error(ctx, "failed to encrypt password");
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return (-1);
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}
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if (server_password != NULL)
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xfree(server_password);
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if (*data->password == '\0')
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server_password = NULL;
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else
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server_password = xstrdup(data->password);
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return (0);
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}
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void
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cmd_set_password_free(struct cmd *self)
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{
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struct cmd_set_password_data *data = self->data;
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if (data->password != NULL)
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xfree(data->password);
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xfree(data);
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}
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size_t
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cmd_set_password_print(struct cmd *self, char *buf, size_t len)
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{
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struct cmd_set_password_data *data = self->data;
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size_t off = 0;
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
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return (off);
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if (off < len && data->flag_encrypted)
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off += xsnprintf(buf + off, len - off, " -c");
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if (off < len && data->password != NULL)
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off += xsnprintf(buf + off, len - off, " password");
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return (off);
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}
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