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cmd_edit.c
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cmd_edit.c
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/*
* Copyright (c) 2011-2024 LEVAI Daniel
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "common.h"
#include "commands.h"
extern db_parameters db_params;
extern xmlNodePtr keychain;
extern char prompt_context[30];
extern xmlChar *_rl_helper_var;
#ifndef _READLINE
extern EditLine *e;
extern History *eh;
#endif
void
cmd_edit(const char *e_line, command *commands)
{
xmlNodePtr db_node = NULL;
xmlChar *key = NULL, *value_rR = NULL, *value = NULL;
char *modified = NULL;
char *line = NULL, *cmd = NULL, *inv = NULL;
#ifndef _READLINE
int e_count = 0;
#endif
unsigned long int idx = 0;
line = strdup(e_line); malloc_check(line);
cmd = strtok(line, " ");
if (!cmd) {
puts(commands->usage);
free(line); line = NULL;
return;
}
cmd = strtok(NULL, " "); /* first parameter, the index number */
if (!cmd) {
puts(commands->usage);
free(line); line = NULL;
return;
}
errno = 0;
idx = strtoul((const char *)cmd, &inv, 10);
if (inv[0] != '\0' || errno != 0 || cmd[0] == '-') {
puts(commands->usage);
free(line); line = NULL;
return;
}
free(line); line = NULL;
db_node = find_key(idx);
if (db_node) {
#ifndef _READLINE
/* disable history temporarily */
if (el_set(e, EL_HIST, history, NULL) != 0) {
perror("ERROR: el_set(EL_HIST)");
}
#endif
strlcpy(prompt_context, "EDIT key", sizeof(prompt_context));
/* if we edit an existing entry, push the current value to the edit buffer */
key = xmlGetProp(db_node, BAD_CAST "name");
#ifndef _READLINE
el_push(e, (const char *)key);
e_line = el_gets(e, &e_count);
#else
_rl_helper_var = key;
rl_pre_input_hook = (rl_hook_func_t *)_rl_push_buffer;
e_line = readline(prompt_str());
rl_pre_input_hook = NULL;
#endif
xmlFree(key); key = NULL;
if (e_line) {
key = xmlStrdup(BAD_CAST e_line); malloc_check(key);
#ifndef _READLINE
key[xmlStrlen(key) - 1] = '\0'; /* remove the newline */
#else
free((char *)e_line); e_line = NULL;
#endif
} else {
#ifndef _READLINE
el_reset(e);
/* re-enable history */
if (el_set(e, EL_HIST, history, eh) != 0) {
perror("ERROR: el_set(EL_HIST)");
}
#endif
strlcpy(prompt_context, "", sizeof(prompt_context));
return;
}
strlcpy(prompt_context, "EDIT value", sizeof(prompt_context));
/* if we edit an existing entry, push the current value to the edit buffer */
value = xmlGetProp(db_node, BAD_CAST "value");
#ifndef _READLINE
el_push(e, (const char *)value);
xmlFree(value); value = NULL;
e_line = el_gets(e, &e_count);
/* re-enable history */
if (el_set(e, EL_HIST, history, eh) != 0) {
perror("ERROR: el_set(EL_HIST)");
}
#else
_rl_helper_var = value;
rl_pre_input_hook = (rl_hook_func_t *)_rl_push_buffer;
e_line = readline(prompt_str());
rl_pre_input_hook = NULL;
#endif
if (e_line) {
value_rR = xmlStrdup(BAD_CAST e_line); malloc_check(value_rR);
#ifndef _READLINE
value_rR[xmlStrlen(value_rR) - 1] = '\0'; /* remove the newline */
#else
free((char *)e_line); e_line = NULL;
#endif
} else {
#ifndef _READLINE
el_reset(e);
#endif
strlcpy(prompt_context, "", sizeof(prompt_context));
xmlFree(key); key = NULL;
return;
}
value = parse_randoms(value_rR);
modified = malloc(TIME_MAXLEN); malloc_check(modified);
snprintf(modified, TIME_MAXLEN, "%d", (int)time(NULL));
xmlSetProp(db_node, BAD_CAST "name", key);
xmlSetProp(db_node, BAD_CAST "value", value);
xmlSetProp(db_node, BAD_CAST "modified", BAD_CAST modified);
/* Update the keychain's modified timestamp */
xmlSetProp(keychain, BAD_CAST "modified", BAD_CAST modified);
printf("Modified key: %lu. %s\n", idx, key);
xmlFree(key); key = NULL;
xmlFree(value_rR); value_rR = NULL;
xmlFree(value); value = NULL;
free(modified); modified = NULL;
strlcpy(prompt_context, "", sizeof(prompt_context));
db_params.dirty = 1;
} else
puts("Invalid index!");
} /* cmd_edit() */