radare2/libr/core/cmd.c
2013-03-03 01:11:44 +01:00

1401 lines
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/* radare - LGPL - Copyright 2009-2013 - nibble, pancake */
#include <r_core.h>
#include <r_anal.h>
#include <sys/types.h>
#include <ctype.h>
#include <stdarg.h>
static void cmd_debug_reg(RCore *core, const char *str);
#include "cmd_hash.c"
#include "cmd_debug.c"
#include "cmd_zign.c"
#include "cmd_section.c"
#include "cmd_flag.c"
#include "cmd_project.c"
#include "cmd_write.c"
#include "cmd_cmp.c"
#include "cmd_anal.c"
#include "cmd_open.c"
#include "cmd_meta.c"
#include "cmd_type.c"
#include "cmd_egg.c"
#include "cmd_info.c"
#include "cmd_macro.c"
#include "cmd_magic.c"
#include "cmd_mount.c"
#include "cmd_seek.c"
#include "cmd_print.c"
#include "cmd_help.c"
#include "cmd_search.c"
static int r_core_cmd_nullcallback(void *data) {
RCore *core = (RCore*) data;
if (!core->cmdrepeat) return 0;
r_core_cmd_repeat (core, 1);
return 1;
}
// TODO: move somewhere else
R_API RAsmOp *r_core_disassemble (RCore *core, ut64 addr) {
int delta;
ut8 buf[128];
static RBuffer *b = NULL; // XXX: never freed and non-thread safe. move to RCore
RAsmOp *op;
if (b == NULL) {
b = r_buf_new ();
if (r_core_read_at (core, addr, buf, sizeof (buf))) {
b->base = addr;
r_buf_set_bytes (b, buf, sizeof (buf));
} else return NULL;
} else {
if ((addr < b->base) || addr > (b->base+b->length-32)) {
if (r_core_read_at (core, addr, buf, sizeof (buf))) {
b->base = addr;
r_buf_set_bytes (b, buf, sizeof (buf));
} else return NULL;
}
}
delta = addr - b->base;
op = R_NEW (RAsmOp);
r_asm_set_pc (core->assembler, addr);
if (r_asm_disassemble (core->assembler, op, b->buf+delta, b->length)<1) {
free (op);
return NULL;
}
return op;
}
static int cmd_log(void *data, const char *input) {
RCore *core = (RCore *)data;
const char *input2 = input + (*input? (*input==' '? 2: 1): 0);
char *arg = strchr (input2, ' ');
int n = atoi (input2);
int n2 = arg? atoi (arg+1): 0;
switch (*input) {
case 'l':
r_cons_printf ("%d\n", core->log->last-1);
break;
case '-':
r_core_log_del (core, n);
break;
case '?':
r_cons_printf ("Usage: l[-][ num|msg]\n"
" l new comment 0x80480\n"
" ll get last log message id\n"
" l- delete all logs\n"
" l-123 delete logs before 123\n"
" l 123 list log from 123 \n"
" l list all log messages\n"
" l 10 3 list 3 log messages starting from 10\n"
" lj list in json format\n"
" l* list in radare commands\n"
);
break;
case ' ':
if (!n) {
r_core_log_add (core, input+1);
break;
}
case 'j':
case '*':
case '\0':
r_core_log_list (core, n, n2, *input);
break;
}
return 0;
}
static int cmd_alias(void *data, const char *input) {
int i;
char *p, *q, *buf;
RCore *core = (RCore *)data;
if (*input=='?') {
r_cons_printf ("Usage: -alias[=cmd] [args...]\n"
" $analyze=af;pdf # create command -analyze to show function\n"
" $analyze= # undefine alias\n"
" $analyze # execute the previously defined alias\n"
" $analyze ? # show commands aliased by 'analyze'\n"
" $ # list all defined aliases\n");
return 0;
}
i = strlen (input);
buf = malloc (i+2);
if (!buf) return 0;
*buf = '$'; // prefix aliases with a dash
memcpy (buf+1, input, i+1);
p = strchr (buf, '=');
q = strchr (buf, ' ');
if (p) {
*p++ = 0;
if (!q || (q && q>p)) {
if (*p) r_cmd_alias_set (core->rcmd, buf, p);
else r_cmd_alias_del (core->rcmd, buf);
}
} else
if (!buf[1]) {
int i, count;
char **keys = r_cmd_alias_keys (core->rcmd, &count);
for (i=0; i<count; i++)
r_cons_printf ("%s\n", keys[i]);
} else {
const char *v;
if (q) *q = 0;
v = r_cmd_alias_get (core->rcmd, buf);
if (v) {
if (q) {
char *out, *args = q+1;
if (strchr (q+1, '?')) {
r_cons_printf ("%s\n", v);
return 1;
}
out = malloc (strlen (v) + strlen (args) + 2);
if (out) { //XXX slow
strcpy (out, v);
strcat (out, " ");
strcat (out, args);
r_core_cmd0 (core, out);
free (out);
} else eprintf ("cannot malloc\n");
} else {
r_core_cmd0 (core, v);
}
} else eprintf ("unknown key '%s'\n", buf);
}
return 1;
}
static int cmd_rap(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (*input) {
case '\0': r_core_rtr_list (core); break;
case 'h': r_core_rtr_http (core, 0, input+1); break;
case 'H':
while (input[1]==' ') input++;
r_core_rtr_http (core, 1, input+1); break;
case '?': r_core_rtr_help (core); break;
case '+': r_core_rtr_add (core, input+1); break;
case '-': r_core_rtr_remove (core, input+1); break;
case '=': r_core_rtr_session (core, input+1); break;
//case ':': r_core_rtr_cmds (core, input+1); break;
case '<': r_core_rtr_pushout (core, input+1); break;
case '!': r_io_system (core->io, input+1); break;
default: r_core_rtr_cmd (core, input);
}
return R_TRUE;
}
static int cmd_yank(void *data, const char *input) {
int i;
RCore *core = (RCore *)data;
switch (input[0]) {
case ' ':
r_core_yank (core, core->offset, r_num_math (core->num, input+1));
break;
case 'y':
r_core_yank_paste (core, r_num_math (core->num, input+2), 0);
break;
case 'x':
r_print_hexdump (core->print, 0LL, core->yank_buf, core->yank_len, 16, 4);
break;
case 'p':
r_cons_memcat ((const char*)core->yank_buf, core->yank_len);
r_cons_newline ();
break;
case 't':
{ /* hacky implementation */
char *arg = strdup (input+1);
r_core_yank_to (core, arg);
free (arg);
}
break;
case '\0':
if (core->yank_buf) {
r_cons_printf ("0x%08"PFMT64x" %d ",
core->yank_off, core->yank_len);
for (i=0; i<core->yank_len; i++)
r_cons_printf ("%02x", core->yank_buf[i]);
r_cons_newline ();
} else eprintf ("No buffer yanked already\n");
break;
default:
r_cons_printf (
"Usage: y[ptxy] [len] [[@]addr]\n"
" y ; show yank buffer information (srcoff len bytes)\n"
" y 16 ; copy 16 bytes into clipboard\n"
" y 16 0x200 ; copy 16 bytes into clipboard from 0x200\n"
" y 16 @ 0x200 ; copy 16 bytes into clipboard from 0x200\n"
" yp ; print contents of clipboard\n"
" yx ; print contents of clipboard in hexadecimal\n"
" yt 64 0x200 ; copy 64 bytes from current seek to 0x200\n"
" yy 0x3344 ; paste clipboard\n");
break;
}
return R_TRUE;
}
static int cmd_quit(void *data, const char *input) {
RCore *core = (RCore *)data;
if (input)
switch (*input) {
case '?':
r_cons_printf (
"Usage: q[!] [retvalue]\n"
" q ; quit program\n"
" q! ; force quit (no questions)\n"
" q 1 ; quit with return value 1\n"
" q a-b ; quit with return value a-b\n");
break;
case ' ':
case '!':
input++;
case '\0':
// TODO
default:
r_line_hist_save (".radare2_history");
if (*input)
r_num_math (core->num, input);
else core->num->value = 0LL;
//exit (*input?r_num_math (core->num, input+1):0);
//if (core->http_up) return R_FALSE; // cancel quit when http is running
return -2;
}
return R_FALSE;
}
static int cmd_interpret(void *data, const char *input) {
const char *host, *port, *cmd;
char *str, *ptr, *eol, *rbuf;
RCore *core = (RCore *)data;
switch (*input) {
case '\0':
r_core_cmd_repeat (core, 0);
break;
case ':':
if ((ptr = strchr (input+1, ' '))) {
/* .:port cmd */
/* .:host:port cmd */
cmd = ptr+1;
*ptr = 0;
eol = strchr (input+1, ':');
if (eol) {
*eol = 0;
host = input+1;
port = eol+1;
} else {
host = "localhost";
port = input+((input[1]==':')?2:1);
}
rbuf = r_core_rtr_cmds_query (core, host, port, cmd);
if (rbuf) {
r_cons_printf ("%s", rbuf);
free (rbuf);
}
} else r_core_rtr_cmds (core, input+1);
break;
case '.': // same as \n
r_core_cmd_repeat (core, 1);
break;
case ' ':
if (!r_core_cmd_file (core, input+1))
eprintf ("cannot interpret file.\n");
break;
case '!':
/* from command */
r_core_cmd_command (core, input+1);
break;
case '(':
r_cmd_macro_call (&core->rcmd->macro, input+1);
break;
case '?':
r_cons_printf (
"Usage: . [file] | [!command] | [(macro)]\n"
" . ; repeat last command backward\n"
" .. ; repeat last command forward (same as \\n)\n"
" .:8080 ; listen for commands on given tcp port\n"
" . foo.rs ; interpret r script\n"
" .!rabin -ri $FILE ; interpret output of command\n"
" .(foo 1 2 3) ; run macro 'foo' with args 1, 2, 3\n"
" ./ ELF ; interpret output of command /m ELF as r. commands\n");
break;
default:
ptr = str = r_core_cmd_str (core, input);
r_cons_break (NULL, NULL);
for (;;) {
if (r_cons_singleton()->breaked) break;
eol = strchr (ptr, '\n');
if (eol) *eol = '\0';
if (*ptr)
r_core_cmd0 (core, ptr);
if (!eol) break;
ptr = eol+1;
}
r_cons_break_end ();
free (str);
break;
}
return 0;
}
static int cmd_bsize(void *data, const char *input) {
ut64 n;
RFlagItem *flag;
RCore *core = (RCore *)data;
switch (input[0]) {
case '+':
n = r_num_math (core->num, input+1);
r_core_block_size (core, core->blocksize+n);
break;
case '-':
n = r_num_math (core->num, input+1);
r_core_block_size (core, core->blocksize-n);
break;
case 'f':
if (input[1]==' ') {
flag = r_flag_get (core->flags, input+2);
if (flag)
r_core_block_size (core, flag->size);
else eprintf ("bf: cannot find flag named '%s'\n", input+2);
} else eprintf ("Usage: bf [flagname]\n");
break;
case '\0':
r_cons_printf ("0x%x\n", core->blocksize);
break;
case '?':
r_cons_printf ("Usage: b[f] [arg]\n"
" b # display current block size\n"
" b+3 # increase blocksize by 3\n"
" b-16 # decrement blocksize by 3\n"
" b 33 # set block size to 33\n"
" b eip+4 # numeric argument can be an expression\n"
" bf foo # set block size to flag size\n");
break;
default:
//input = r_str_clean(input);
r_core_block_size (core, r_num_math (core->num, input));
break;
}
return 0;
}
static int cmd_resize(void *data, const char *input) {
RCore *core = (RCore *)data;
ut64 oldsize, newsize;
st64 delta = 0;
int grow;
oldsize = core->file->size;
while (*input==' ')
input++;
switch (*input) {
case '+':
case '-':
delta = (st64)r_num_math (core->num, input);
newsize = oldsize + delta;
break;
case '\0':
case '?':
r_cons_printf (
"Usage: r[+-][ size]\n"
" r size expand or truncate file to given size\n"
" r-num remove num bytes, move following data down\n"
" r+num insert num bytes, move following data up\n");
return R_TRUE;
default:
newsize = r_num_math (core->num, input);
}
grow = (newsize > oldsize);
if (grow) {
r_io_resize (core->io, newsize);
core->file->size = newsize;
}
if (delta && core->offset < newsize)
r_io_shift (core->io, core->offset, grow?newsize:oldsize, delta);
if (!grow) {
r_io_resize (core->io, newsize);
core->file->size = newsize;
}
if (newsize < core->offset+core->blocksize ||
oldsize < core->offset+core->blocksize) {
r_core_block_read (core, 0);
}
return R_TRUE;
}
static int cmd_eval(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (input[0]) {
case '\0':
r_config_list (core->config, NULL, 0);
break;
case 'e':
if (input[1]==' ') {
char *p;
const char *val;
const char *input2 = strchr (input+2, ' ');
if (input2) input2++; else input2 = input+2;
val = r_config_get (core->config, input2);
p = r_core_editor (core, val);
r_str_replace_char (p, '\n', ';');
r_config_set (core->config, input2, p);
} else eprintf ("Usage: ee varname\n");
break;
case '!':
input = r_str_chop_ro (input+1);
if (!r_config_swap (core->config, input))
eprintf ("r_config: '%s' is not a boolean variable.\n", input);
break;
case '-':
r_core_config_init (core);
eprintf ("BUG: 'e-' command locks the eval hashtable. patches are welcome :)\n");
break;
case 'v':
eprintf ("Invalid command '%s'. Use 'e?'\n", input);
break;
case '*':
r_config_list (core->config, NULL, 1);
break;
case '?':
switch (input[1]) {
case '?':
r_config_list (core->config, input+2, 2);
break;
default:
r_config_list (core->config, input+1, 2);
break;
case 0:
r_cons_printf (
"Usage: e[?] [var[=value]]\n"
" e? ; show this help\n"
" e?asm.bytes ; show description\n"
" e?? ; list config vars with description\n"
" e ; list config vars\n"
" e- ; reset config vars\n"
" e* ; dump config vars in r commands\n"
" e!a ; invert the boolean value of 'a' var\n"
" er [key] ; set config key as readonly. no way back\n"
" e a ; get value of var 'a'\n"
" e a=b ; set var 'a' the 'b' value\n");
}
break;
case 'r':
if (input[1]) {
const char *key = input+((input[1]==' ')?2:1);
if (!r_config_readonly (core->config, key))
eprintf ("cannot find key '%s'\n", key);
} else eprintf ("Usage: er [key]\n");
break;
case ' ':
r_config_eval (core->config, input+1);
break;
default:
r_config_eval (core->config, input);
}
return 0;
}
static int cmd_visual(void *data, const char *input) {
RCore *core = (RCore*) data;
int ret;
if (core->http_up)
return R_FALSE;
if (!r_config_get_i (core->config, "scr.interactive"))
return R_FALSE;
r_cons_show_cursor (R_FALSE);
ret = r_core_visual ((RCore *)data, input);
r_cons_show_cursor (R_TRUE);
return ret;
}
static int cmd_system(void *data, const char *input) {
int ret = 0;
switch (*input) {
case '!': {
int olen;
char *out = NULL;
char *cmd = r_core_sysenv_begin ((RCore*)data, input);
if (cmd) {
ret = r_sys_cmd_str_full (cmd+1, NULL, &out, &olen, NULL);
r_core_sysenv_end ((RCore*)data, input);
r_cons_memcat (out, olen);
free (out);
free (cmd);
} else eprintf ("Error setting up system environment\n");
}
break;
case '?':
r_core_sysenv_help ();
break;
default:
{
char *cmd = r_core_sysenv_begin ((RCore*)data, input);
if (cmd) {
ret = r_sys_cmd (cmd);
r_core_sysenv_end ((RCore*)data, input);
free (cmd);
} else eprintf ("Error setting up system environment\n");
}
break;
}
return ret;
}
R_API int r_core_cmd_pipe(RCore *core, char *radare_cmd, char *shell_cmd) {
char *_ptr;
#if __UNIX__
int fds[2];
int stdout_fd;
#endif
int ret = -1, pipecolor = -1;
if (!r_config_get_i (core->config, "scr.pipecolor")) {
pipecolor = r_config_get_i (core->config, "scr.color");
r_config_set_i (core->config, "scr.color", 0);
}
if (*shell_cmd=='!') {
_ptr = (char *)r_str_lastbut (shell_cmd, '~', "\"");
//ptr = strchr (cmd, '~');
if (_ptr) {
*_ptr = '\0';
_ptr++;
}
int olen = 0;
char *str, *out = NULL;
// TODO: implement foo
str = r_core_cmd_str (core, radare_cmd);
r_sys_cmd_str_full (shell_cmd+1, str, &out, &olen, NULL);
r_cons_memcat (out, olen);
if (_ptr)
r_cons_grep (_ptr);
free (out);
ret = 0;
}
#if __UNIX__
radare_cmd = (char*)r_str_trim_head (radare_cmd);
shell_cmd = (char*)r_str_trim_head (shell_cmd);
stdout_fd = dup (1);
pipe (fds);
if (fork ()) {
dup2 (fds[1], 1);
close (fds[1]);
close (fds[0]);
r_core_cmd (core, radare_cmd, 0);
r_cons_flush ();
close (1);
wait (&ret);
dup2 (stdout_fd, 1);
close (stdout_fd);
} else {
close (fds[1]);
dup2 (fds[0], 0);
//dup2 (1, 2); // stderr goes to stdout
r_sandbox_system (shell_cmd, 0);
}
#else
#warning r_core_cmd_pipe UNIMPLEMENTED FOR THIS PLATFORM
eprintf ("r_core_cmd_pipe: unimplemented for this platform\n");
#endif
if (pipecolor != -1)
r_config_set_i (core->config, "scr.color", pipecolor);
return ret;
}
static int r_core_cmd_subst_i(RCore *core, char *cmd);
static int r_core_cmd_subst(RCore *core, char *cmd) {
int rep = atoi (cmd);
char *cmt, *colon, *icmd = strdup (cmd);
cmd = r_str_trim_head_tail (icmd);
if (*cmd && cmd[1] && !memcmp (cmd, "# ", 2))
return 0;
cmt = *icmd ? strchr (icmd+1, '#'): NULL;
if (cmt && cmt[1]==' ')
*cmt = 0;
if (*cmd != '"') {
colon = strchr (icmd, ';');
if (colon)
*colon = 0;
} else colon = NULL;
if (rep>0) {
while (*cmd>='0' && *cmd<='9')
cmd++;
// cannot repeat null cmd
if (!*cmd) return 0;
}
if (rep<1) rep = 1;
while (rep-- && *cmd) {
int ret = r_core_cmd_subst_i (core, cmd);
if (ret) {
free (icmd);
return ret;
}
}
if (colon) {
for (++colon; *colon==';'; colon++);
r_core_cmd_subst (core, colon);
//*colon = ';';
} else {
if (!*cmd)
r_core_cmd_nullcallback(core);
}
free (icmd);
return 0;
}
static char *find_eoq (char *p) {
for (; *p; p++) {
if (*p=='"') break;
if (*p=='\\' && p[1]=='"')
p++;
}
return p;
}
static int r_core_cmd_subst_i(RCore *core, char *cmd) {
char *ptr, *ptr2, *str;
int i, ret, pipefd;
const char *tick = NULL;
const char *quotestr = "`";
char *arroba = NULL;
int usemyblock = 0;
cmd = r_str_trim_head_tail (cmd);
/* quoted / raw command */
switch (*cmd) {
case '.':
if (cmd[1] == '"') { /* interpret */
ret = r_cmd_call (core->rcmd, cmd);
return ret;
}
break;
case '"':
for (cmd++; *cmd; ) {
ut64 oseek = UT64_MAX;
char *line, *p = find_eoq (cmd);
if (p) {
*p = 0;
if (p[1]=='@' || p[2]=='@') {
char *q = strchr (p+1, '"');
if (q) *q = 0;
oseek = core->offset;
r_core_seek (core, r_num_math (
core->num, p+2), 1);
if (q) {
*p = '"';
p = q;
} else p = NULL;
}
line = strdup (cmd);
line = r_str_replace (line, "\\\"", "\"", R_TRUE);
r_cmd_call (core->rcmd, line);
free (line);
if (oseek != UT64_MAX) {
r_core_seek (core, oseek, 1);
oseek = UT64_MAX;
}
if (!p) break;
*p = '"';
cmd = p+1;
} else {
eprintf ("Missing \".");
return R_FALSE;
}
}
return R_TRUE;
case '(':
if (cmd[1] != '*')
return r_cmd_call (core->rcmd, cmd);
}
// TODO must honor " and `
/* comments */
if (*cmd!='#') {
ptr = (char *)r_str_lastbut (cmd, '#', quotestr);
if (ptr && ptr[1]==' ') *ptr = '\0';
}
/* multiple commands */
// TODO: must honor " and ` boundaries
//ptr = strrchr (cmd, ';');
if (*cmd!='#') {
ptr = (char *)r_str_lastbut (cmd, ';', quotestr);
if (ptr) {
int ret ;
*ptr = '\0';
if (r_core_cmd_subst (core, cmd) == -1)
return -1;
cmd = ptr+1;
ret = r_core_cmd_subst (core, cmd);
*ptr = ';';
return ret;
//r_cons_flush ();
}
}
// TODO must honor " and `
/* pipe console to shell process */
//ptr = strchr (cmd, '|');
ptr = (char *)r_str_lastbut (cmd, '|', quotestr);
if (ptr) {
char *ptr2 = strchr (cmd, '`');
if (!ptr2 || (ptr2 && ptr2>ptr)) {
if (!tick || (tick && tick > ptr)) {
*ptr = '\0';
cmd = r_str_clean (cmd);
if (*cmd) r_core_cmd_pipe (core, cmd, ptr+1);
else r_io_system (core->io, ptr+1);
return 0;
}
}
}
// TODO must honor " and `
/* bool conditions */
ptr = (char *)r_str_lastbut (cmd, '&', quotestr);
//ptr = strchr (cmd, '&');
while (ptr && ptr[1]=='&') {
*ptr = '\0';
ret = r_cmd_call (core->rcmd, cmd);
if (ret == -1) {
eprintf ("command error(%s)\n", cmd);
return ret;
}
for (cmd=ptr+2; cmd && *cmd==' '; cmd++);
ptr = strchr (cmd, '&');
}
/* Out Of Band Input */
free (core->oobi);
core->oobi = NULL;
ptr = strchr (cmd, '<');
if (ptr) {
ptr[0] = '\0';
if (ptr[1]=='<') {
/* this is a bit mess */
//const char *oprompt = strdup (r_line_singleton ()->prompt);
//oprompt = ">";
for (str=ptr+2; str[0]==' '; str++);
eprintf ("==> Reading from stdin until '%s'\n", str);
free (core->oobi);
core->oobi = malloc (1);
if (core->oobi)
core->oobi[0] = '\0';
core->oobi_len = 0;
for (;;) {
char buf[1024];
int ret;
write (1, "> ", 2);
fgets (buf, sizeof (buf)-1, stdin); // XXX use r_line ??
if (feof (stdin))
break;
buf[strlen (buf)-1]='\0';
ret = strlen (buf);
core->oobi_len += ret;
core->oobi = realloc (core->oobi, core->oobi_len+1);
if (core->oobi) {
if (!strcmp (buf, str))
break;
strcat ((char *)core->oobi, buf);
}
}
//r_line_set_prompt (oprompt);
} else {
for (str=ptr+1; *str== ' '; str++);
if (!*str) goto next;
eprintf ("Slurping file '%s'\n", str);
free (core->oobi);
core->oobi = (ut8*)r_file_slurp (str, &core->oobi_len);
if (core->oobi == NULL)
eprintf ("cannot open file\n");
else if (ptr == cmd)
return r_core_cmd_buffer (core, (const char *)core->oobi);
}
}
next:
// TODO must honor " and `
/* pipe console to file */
ptr = strchr (cmd, '>');
if (ptr) {
int pipecolor = r_config_get_i (core->config, "scr.pipecolor");
int use_editor = R_FALSE;
//int scrint = r_cons_singleton()->is_interactive;
int ocolor = r_config_get_i (core->config, "scr.color");
*ptr = '\0';
str = r_str_trim_head_tail (ptr+1+(ptr[1]=='>'));
if (!*str) goto next2;
/* r_cons_flush() handles interactive output (to the terminal)
* differently (e.g. asking about too long output). This conflicts
* with piping to a file. Disable it while piping. */
r_cons_set_interactive (R_FALSE);
if (!strcmp (str, "-")) {
use_editor = R_TRUE;
str = r_file_temp ("dumpedit");
r_config_set (core->config, "scr.color", "false");
}
pipefd = r_cons_pipe_open (str, ptr[1]=='>');
if (!pipecolor)
r_config_set_i (core->config, "scr.color", 0);
ret = r_core_cmd_subst (core, cmd);
r_cons_flush ();
r_cons_pipe_close (pipefd);
r_cons_set_last_interactive ();
if (!pipecolor) {
r_config_set_i (core->config, "scr.color", ocolor);
}
if (use_editor) {
const char *editor = r_config_get (core->config, "cfg.editor");
if (editor && *editor)
r_sys_cmdf ("%s '%s'", editor, str);
else eprintf ("No cfg.editor configured\n");
r_config_set_i (core->config, "scr.color", ocolor);
r_file_rm (str);
free (str);
}
return ret;
}
next2:
/* sub commands */
ptr = strchr (cmd, '`');
if (ptr) {
int oneline = 1;
if (ptr[1]=='`') {
strcpy (ptr, ptr+1);
oneline = 0;
}
ptr2 = strchr (ptr+1, '`');
if (!ptr2) {
eprintf ("parse: Missing '´' in expression.\n");
return -1;
} else {
*ptr = '\0';
*ptr2 = '\0';
if (ptr[1] == '!') {
str = r_core_cmd_str_pipe (core, ptr+1);
} else
str = r_core_cmd_str (core, ptr+1);
if (oneline)
for (i=0; str[i]; i++)
if (str[i]=='\n')
str[i]=' ';
str = r_str_concat (str, ptr2+1);
cmd = r_str_concat (strdup (cmd), str);
ret = r_core_cmd_subst (core, cmd);
free (cmd);
free (str);
return ret;
}
}
// TODO must honor " and `
/* grep the content */
ptr = (char *)r_str_lastbut (cmd, '~', quotestr);
//ptr = strchr (cmd, '~');
if (ptr) {
*ptr = '\0';
ptr++;
}
r_cons_grep (ptr);
/* temporary seek commands */
if (*cmd!='(' && *cmd!='"') {
ptr = strchr (cmd, '@');
if (ptr == cmd+1 && *cmd=='?')
ptr = NULL;
} else ptr = NULL;
core->tmpseek = ptr? R_TRUE: R_FALSE;
if (ptr) {
ut64 tmpoff, tmpbsz, addr;
ut8 *buf;
const char *offstr;
char *f, *ptr2 = strchr (ptr+1, '!');
int sz, len;
tmpoff = core->offset;
tmpbsz = core->blocksize;
*ptr = '\0'; for (ptr++; *ptr== ' '; ptr++); ptr--;
arroba = strchr (ptr+2, '@');
repeat_arroba:
if (arroba)
*arroba = 0;
if (ptr[2]==':') {
usemyblock = 1;
switch (ptr[1]) {
case 'f':
f = r_file_slurp (ptr+3, &sz);
if (f) {
buf = malloc (sz);
if (buf) {
free (core->block);
core->block = buf;
core->blocksize = sz;
memcpy (core->block, f, sz);
} else eprintf ("cannot alloc %d", sz);
free (f);
} else eprintf ("cannot open '%s'\n", ptr+3);
break;
case '8':
case 'b':
buf = malloc (strlen (ptr+2));
if (!buf) {
eprintf ("cannot allocate\n");
return R_FALSE;
}
len = r_hex_str2bin (ptr+3, buf);
r_core_block_size (core, len);
memcpy (core->block, buf, core->blocksize);
free (buf);
break;
case 's':
len = strlen (ptr+3);
r_core_block_size (core, len);
memcpy (core->block, ptr+3, len);
break;
default:
goto ignore;
}
*ptr = '@';
goto next_arroba; //ignore; //return ret;
}
ignore:
for (ptr++;*ptr== ' ';ptr++); ptr--;
cmd = r_str_clean (cmd);
if (ptr2) {
if (strlen (ptr+1)==13 && strlen (ptr2+1)==6 && \
!memcmp (ptr+1,"0x", 2) && !memcmp (ptr2+1, "0x", 2)) {
/* 0xXXXX:0xYYYY */
} else
if (strlen (ptr+1)==9 && strlen (ptr2+1)==4) {
/* XXXX:YYYY */
} else {
*ptr2 = '\0';
r_core_block_size (core, r_num_math (core->num, ptr2+1));
}
}
offstr = r_str_trim_head (ptr+1);
addr = r_num_math (core->num, offstr);
if (isalpha (ptr[1]) && addr== 0) {
if (!r_flag_get (core->flags, ptr+1)) {
eprintf ("Invalid address (%s)\n", ptr+1);
return R_FALSE;
}
} else {
char ch = *offstr;
if (ch=='-' || ch=='+')
addr = core->offset+addr;
}
next_arroba:
if (arroba) {
ptr = arroba; //-3;
arroba = NULL;
goto repeat_arroba;
}
if (ptr[1]=='@') {
// TODO: remove temporally seek (should be done by cmd_foreach)
ret = r_core_cmd_foreach (core, cmd, ptr+2);
//ret = -1; /* do not run out-of-foreach cmd */
} else {
if (usemyblock) {
core->offset = addr;
ret = r_cmd_call (core->rcmd, r_str_trim_head (cmd));
} else {
if (!ptr[1] || r_core_seek (core, addr, 1)) {
r_core_block_read (core, 0);
ret = r_cmd_call (core->rcmd, r_str_trim_head (cmd));
} else ret = 0;
}
}
if (ptr2) {
*ptr2 = '!';
r_core_block_size (core, tmpbsz);
}
r_core_seek (core, tmpoff, 1);
*ptr = '@';
return ret;
}
return cmd? r_cmd_call (core->rcmd, r_str_trim_head (cmd)): R_FALSE;
}
R_API int r_core_cmd_foreach(RCore *core, const char *cmd, char *each) {
int i, j;
char ch;
char *word = NULL;
char *str, *ostr;
RListIter *iter;
RFlagItem *flag;
ut64 oseek, addr;
for (; *each==' '; each++);
for (; *cmd==' '; cmd++);
oseek = core->offset;
ostr = str = strdup(each);
//r_cons_break();
switch (each[0]) {
case '?':
r_cons_printf (
"Foreach '@@' iterator command:\n"
" Repeat a command over a list of offsets.\n"
" x @@ sym.* Run 'x' over all flags matching 'sym.' in current flagspace\n"
" x @@.file \"\" over the offsets specified in the file (one offset per line)\n"
" x @@=off1 off2 .. Manual list of offsets\n"
" x @@=`pdf~call[0]` Run 'x' at every call offset of the current function\n");
break;
case '=':
/* foreach list of items */
each = str+1;
do {
while (*each==' ') each++;
if (!*each) break;
str = strchr (each, ' ');
if (str) {
*str = '\0';
addr = r_num_math (core->num, each);
*str = ' ';
} else addr = r_num_math (core->num, each);
eprintf ("; 0x%08"PFMT64x":\n", addr);
each = str+1;
r_core_seek (core, addr, 1);
r_core_cmd (core, cmd, 0);
r_cons_flush ();
} while (str != NULL);
break;
case '.':
if (each[1]=='(') {
char cmd2[1024];
// TODO: use r_cons_break() here
// XXX whats this 999 ?
i = 0;
r_cons_break (NULL, NULL);
for (core->rcmd->macro.counter=0;i<999;core->rcmd->macro.counter++) {
if (r_cons_singleton ()->breaked)
break;
r_cmd_macro_call (&core->rcmd->macro, each+2);
if (core->rcmd->macro.brk_value == NULL)
break;
addr = core->rcmd->macro._brk_value;
sprintf (cmd2, "%s @ 0x%08"PFMT64x"", cmd, addr);
eprintf ("0x%08"PFMT64x" (%s)\n", addr, cmd2);
r_core_seek (core, addr, 1);
r_core_cmd (core, cmd2, 0);
i++;
}
r_cons_break_end();
} else {
char buf[1024];
char cmd2[1024];
FILE *fd = r_sandbox_fopen (each+1, "r");
if (fd) {
core->rcmd->macro.counter=0;
while (!feof (fd)) {
buf[0] = '\0';
if (fgets (buf, sizeof (buf), fd) == NULL)
break;
addr = r_num_math (core->num, buf);
eprintf ("0x%08"PFMT64x": %s\n", addr, cmd);
sprintf (cmd2, "%s @ 0x%08"PFMT64x"", cmd, addr);
r_core_seek (core, addr, 1); // XXX
r_core_cmd (core, cmd2, 0);
core->rcmd->macro.counter++;
}
fclose (fd);
} else eprintf ("cannot open file '%s' to read offsets\n", each+1);
}
break;
default:
core->rcmd->macro.counter = 0;
//while(str[i]) && !core->interrupted) {
// split by keywords
i = 0;
while (str[i]) {
j = i;
for (;str[j]&&str[j]==' ';j++); // skip spaces
for (i=j;str[i]&&str[i]!=' ';i++); // find EOS
ch = str[i];
str[i] = '\0';
word = strdup (str+j);
if (word == NULL)
break;
str[i] = ch;
{
/* for all flags in current flagspace */
// XXX: dont ask why, but this only works with _prev..
r_list_foreach_prev (core->flags->flags, iter, flag) {
if (r_cons_singleton()->breaked)
break;
/* filter per flag spaces */
if ((core->flags->space_idx != -1) && (flag->space != core->flags->space_idx))
continue;
if (r_str_glob (flag->name, word)) {
r_core_seek (core, flag->offset, 1);
//r_cons_printf ("# @@ 0x%08"PFMT64x" (%s)\n", core->offset, flag->name);
r_cons_printf ("0x%08"PFMT64x" ", core->offset);
r_core_cmd (core, cmd, 0);
}
}
r_cons_break (NULL, NULL);
core->rcmd->macro.counter++ ;
free (word);
word = NULL;
}
}
}
r_cons_break_end ();
// XXX: use r_core_seek here
core->offset = oseek;
free (word);
free (ostr);
return R_TRUE;
}
R_API int r_core_cmd(RCore *core, const char *cstr, int log) {
int ret = R_FALSE;
char *cmd, *ocmd;
if (cstr==NULL)
return R_FALSE;
if (log && *cstr && *cstr!='.') {
free (core->lastcmd);
core->lastcmd = strdup (cstr);
}
/* list r_cmd plugins */
if (!strcmp (cstr, ":")) {
RListIter *iter;
RCmdPlugin *cp;
r_list_foreach (core->rcmd->plist, iter, cp) {
r_cons_printf ("%s: %s\n", cp->name, cp->desc);
}
return 0;
}
ocmd = cmd = malloc (strlen (cstr)+8192);
if (ocmd == NULL)
return R_FALSE;
r_str_cpy (cmd, cstr);
ret = r_core_cmd_subst (core, cmd);
if (log) r_line_hist_add (cstr);
free (ocmd);
free (core->oobi);
core->oobi = NULL;
core->oobi_len = 0;
return ret;
}
R_API int r_core_cmd_file(RCore *core, const char *file) {
int ret = R_TRUE;
char *nl, *data, *odata = r_file_slurp (file, NULL);
if (!odata) return R_FALSE;
nl = strchr (odata, '\n');
if (nl) {
data = odata;
do {
*nl = '\0';
ret = r_core_cmd (core, data, 0);
if (ret == -1) {
eprintf ("r_core_cmd_file: Failed to run '%s'\n", data);
break;
}
r_cons_flush ();
if (data[0]=='q') {
if (data[1]=='!')
ret = -1;
else eprintf ("'q': quit ignored. Use 'q!'\n");
break;
}
data = nl+1;
} while ((nl = strchr (data, '\n')));
}
free (odata);
return R_TRUE;
}
R_API int r_core_cmd_command(RCore *core, const char *command) {
int len;
char *buf, *rcmd, *ptr;
rcmd = ptr = buf = r_sys_cmd_str (command, 0, &len);
if (buf == NULL)
return -1;
while ((ptr = strstr (rcmd, "\n"))) {
*ptr = '\0';
if (r_core_cmd (core, rcmd, 0) == -1) {
eprintf ("Error running command '%s'\n", rcmd);
break;
}
rcmd += strlen (rcmd)+1;
}
free (buf);
return 0;
}
//TODO: Fix disasm loop is mandatory
R_API char *r_core_disassemble_instr(RCore *core, ut64 addr, int l) {
char *cmd, *ret = NULL;
cmd = r_str_dup_printf ("pd %i @ 0x%08"PFMT64x, l, addr);
if (cmd) {
ret = r_core_cmd_str (core, cmd);
free (cmd);
}
return ret;
}
R_API char *r_core_disassemble_bytes(RCore *core, ut64 addr, int b) {
char *cmd, *ret = NULL;
cmd = r_str_dup_printf ("pD %i @ 0x%08"PFMT64x, b, addr);
if (cmd) {
ret = r_core_cmd_str (core, cmd);
free (cmd);
}
return ret;
}
R_API int r_core_cmd_buffer(void *user, const char *buf) {
char *ptr, *optr, *str = strdup (buf);
optr = str;
ptr = strchr (str, '\n');
while (ptr) {
*ptr = '\0';
r_core_cmd (user, optr, 0);
optr = ptr+1;
ptr = strchr (str, '\n');
}
r_core_cmd (user, optr, 0);
free (str);
return R_TRUE;
}
R_API int r_core_cmdf(void *user, const char *fmt, ...) {
char string[4096];
int ret;
va_list ap;
va_start (ap, fmt);
vsnprintf (string, sizeof (string), fmt, ap);
ret = r_core_cmd ((RCore *)user, string, 0);
va_end (ap);
return ret;
}
R_API int r_core_cmd0(void *user, const char *cmd) {
return r_core_cmd ((RCore *)user, cmd, 0);
}
R_API int r_core_flush(void *user, const char *cmd) {
int ret = r_core_cmd ((RCore *)user, cmd, 0);
r_cons_flush ();
return ret;
}
R_API char *r_core_cmd_str_pipe(RCore *core, const char *cmd) {
char *s, *tmp;
if (r_sandbox_enable (0))
return r_core_cmd_str (core, cmd);
r_cons_reset ();
if (r_file_mkstemp ("cmd", &tmp)) {
char *_cmd = strdup (cmd);
int pipefd = r_cons_pipe_open (tmp, 0);
r_core_cmd_subst (core, _cmd);
r_cons_flush ();
r_cons_pipe_close (pipefd);
s = r_file_slurp (tmp, NULL);
r_file_rm (tmp);
free (tmp);
free (_cmd);
return s;
}
return NULL;
}
/* return: pointer to a buffer with the output of the command */
R_API char *r_core_cmd_str(RCore *core, const char *cmd) {
const char *static_str;
char *retstr = NULL;
r_cons_reset ();
if (r_core_cmd (core, cmd, 0) == -1) {
eprintf ("Invalid command: %s\n", cmd);
retstr = strdup ("");
} else {
r_cons_filter ();
static_str = r_cons_get_buffer ();
retstr = strdup (static_str? static_str: "");
r_cons_reset ();
}
return retstr;
}
R_API void r_core_cmd_repeat(RCore *core, int next) {
// Alias for ".."
if (core->lastcmd)
switch (*core->lastcmd) {
case 'd': // debug
r_core_cmd0 (core, core->lastcmd);
switch (core->lastcmd[1]) {
case 's':
case 'c':
r_core_cmd0 (core, "sr pc && pd 1");
}
break;
case 'p': // print
case 'x':
r_core_cmd0 (core, next? "s++": "s--");
r_core_cmd0 (core, core->lastcmd);
break;
}
}
R_API void r_core_cmd_init(RCore *core) {
core->rcmd = r_cmd_new ();
core->rcmd->macro.user = core;
core->rcmd->macro.num = core->num;
core->rcmd->macro.cmd = r_core_cmd0;
core->rcmd->nullcallback = r_core_cmd_nullcallback;
core->rcmd->macro.printf = (PrintfCallback)r_cons_printf;
r_cmd_set_data (core->rcmd, core);
r_cmd_add (core->rcmd, "x", "alias for px", &cmd_hexdump);
r_cmd_add (core->rcmd, "mount", "mount filesystem", &cmd_mount);
r_cmd_add (core->rcmd, "analysis", "analysis", &cmd_anal);
r_cmd_add (core->rcmd, "flag", "get/set flags", &cmd_flag);
r_cmd_add (core->rcmd, "g", "egg manipulation", &cmd_egg);
r_cmd_add (core->rcmd, "debug", "debugger operations", &cmd_debug);
r_cmd_add (core->rcmd, "info", "get file info", &cmd_info);
r_cmd_add (core->rcmd, "cmp", "compare memory", &cmd_cmp);
r_cmd_add (core->rcmd, "seek", "seek to an offset", &cmd_seek);
r_cmd_add (core->rcmd, "log", "log utility", &cmd_log);
r_cmd_add (core->rcmd, "t", "type information (cparse)", &cmd_type);
r_cmd_add (core->rcmd, "zign", "zignatures", &cmd_zign);
r_cmd_add (core->rcmd, "Section", "setup section io information", &cmd_section);
r_cmd_add (core->rcmd, "bsize", "change block size", &cmd_bsize);
r_cmd_add (core->rcmd, "eval", "evaluate configuration variable", &cmd_eval);
r_cmd_add (core->rcmd, "print", "print current block", &cmd_print);
r_cmd_add (core->rcmd, "write", "write bytes", &cmd_write);
r_cmd_add (core->rcmd, "Code", "code metadata", &cmd_meta);
r_cmd_add (core->rcmd, "Project", "project", &cmd_project);
r_cmd_add (core->rcmd, "open", "open or map file", &cmd_open);
r_cmd_add (core->rcmd, "yank", "yank bytes", &cmd_yank);
r_cmd_add (core->rcmd, "resize", "change file size", &cmd_resize);
r_cmd_add (core->rcmd, "Visual", "enter visual mode", &cmd_visual);
r_cmd_add (core->rcmd, "!", "run system command", &cmd_system);
r_cmd_add (core->rcmd, "=", "io pipe", &cmd_rap);
r_cmd_add (core->rcmd, "#", "calculate hash", &cmd_hash);
r_cmd_add (core->rcmd, "?", "help message", &cmd_help);
r_cmd_add (core->rcmd, "$", "alias", &cmd_alias);
r_cmd_add (core->rcmd, ".", "interpret", &cmd_interpret);
r_cmd_add (core->rcmd, "/", "search kw, pattern aes", &cmd_search);
r_cmd_add (core->rcmd, "(", "macro", &cmd_macro);
r_cmd_add (core->rcmd, "quit", "exit program session", &cmd_quit);
}