static void cmdedit_init(void)
{
cmdedit_prmt_len = 0;
if ((handlers_sets & SET_WCHG_HANDLERS) == 0) {
/* emulate usage handler to set handler and call yours work */
win_changed(-SIGWINCH);
handlers_sets |= SET_WCHG_HANDLERS;
}
if ((handlers_sets & SET_ATEXIT) == 0) {
#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
struct passwd *entry;
my_euid = geteuid();
entry = getpwuid(my_euid);
if (entry) {
user_buf = bb_xstrdup(entry->pw_name);
home_pwd_buf = bb_xstrdup(entry->pw_dir);
}
#endif
#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
#ifndef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
my_euid = geteuid();
#endif
my_uid = getuid();
my_gid = getgid();
#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
handlers_sets |= SET_ATEXIT;
atexit(cmdedit_reset_term); /* be sure to do this only once */
}
}
static void buffer_line(int linenum)
{
int i;
past_eof = 0;
if (linenum < 0 || linenum > num_flines) {
clear_line();
printf("%s%s%i%s", HIGHLIGHT, "Cannot seek to line number ", linenum + 1, NORMAL);
}
else if (linenum < (num_flines - height - 2)) {
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
buffer[i] = bb_xstrdup(flines[linenum + i]);
}
line_pos = linenum;
buffer_print();
}
else {
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
if (linenum + i < num_flines + 2)
buffer[i] = bb_xstrdup(flines[linenum + i]);
else
buffer[i] = bb_xstrdup((flags & FLAG_TILDE) ? "\n" : "~\n");
}
line_pos = linenum;
/* Set past_eof so buffer_down and buffer_up act differently */
past_eof = 1;
buffer_print();
}
}
/* Move the buffer up and down in the file in order to scroll */
static void buffer_down(int nlines)
{
int i;
if (!past_eof) {
if (line_pos + (height - 3) + nlines < num_flines) {
line_pos += nlines;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
else {
/* As the number of lines requested was too large, we just move
to the end of the file */
while (line_pos + (height - 3) + 1 < num_flines) {
line_pos += 1;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
}
/* We exit if the -E flag has been set */
if ((flags & FLAG_E) && (line_pos + (height - 2) == num_flines))
tless_exit(0);
}
}
static const char *
obscure_msg(const char *old, const char *newval, const struct passwd *pwdp)
{
int maxlen, oldlen, newlen;
char *new1, *old1;
const char *msg;
oldlen = strlen(old);
newlen = strlen(newval);
#if 0 /* why not check the password when set for the first time? --marekm */
if (old[0] == '\0')
/* return (1); */
return NULL;
#endif
if (newlen < 5)
return "too short";
/*
* Remaining checks are optional.
*/
/* Not for us -- Sean
*if (!getdef_bool("OBSCURE_CHECKS_ENAB"))
* return NULL;
*/
msg = password_check(old, newval, pwdp);
if (msg)
return msg;
/* The traditional crypt() truncates passwords to 8 chars. It is
possible to circumvent the above checks by choosing an easy
8-char password and adding some random characters to it...
Example: "password$%^&*123". So check it again, this time
truncated to the maximum length. Idea from npasswd. --marekm */
maxlen = 8;
if (oldlen <= maxlen && newlen <= maxlen)
return NULL;
new1 = (char *) bb_xstrdup(newval);
old1 = (char *) bb_xstrdup(old);
if (newlen > maxlen)
new1[maxlen] = '\0';
if (oldlen > maxlen)
old1[maxlen] = '\0';
msg = password_check(old1, new1, pwdp);
memset(new1, 0, newlen);
memset(old1, 0, oldlen);
free(new1);
free(old1);
return msg;
}
static void buffer_up(int nlines)
{
int i;
int tilde_line;
if (!past_eof) {
if (line_pos - nlines >= 0) {
line_pos -= nlines;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
else {
/* As the requested number of lines to move was too large, we
move one line up at a time until we can't. */
while (line_pos != 0) {
line_pos -= 1;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
}
}
else {
/* Work out where the tildes start */
tilde_line = num_flines - line_pos + 3;
line_pos -= nlines;
/* Going backwards nlines lines has taken us to a point where
nothing is past the EOF, so we revert to normal. */
if (line_pos < num_flines - height + 3) {
past_eof = 0;
buffer_up(nlines);
}
else {
/* We only move part of the buffer, as the rest
is past the EOF */
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
if (i < tilde_line - nlines + 1)
buffer[i] = bb_xstrdup(flines[line_pos + i]);
else {
if (line_pos >= num_flines - height + 2)
buffer[i] = bb_xstrdup("~\n");
}
}
}
}
}
/*
* Extract any generic string from the given symbol.
* Note: assumes same machine and arch for depmod and module.
*/
static void extract_generic_string(struct obj_file *f, MODULE *mod)
{
struct obj_section *sec;
char *p, *ep, *s, **latest;
sec = obj_find_section(f, ".modstring");
if (sec == NULL)
return;
p = sec->contents;
ep = p + sec->header.sh_size;
while (p < ep) {
s = p;
while (*p != '\0' && p < ep)
p++;
if (p >= ep) {
bb_error_msg("unterminated generic string '%*s'", (int)(p - s), s);
break;
}
if (p++ == s) /* empty string? */
continue;
mod->generic_string = xrealloc(mod->generic_string, ++(mod->n_generic_string)*sizeof(*(mod->generic_string)));
latest = mod->generic_string + mod->n_generic_string-1;
*latest = bb_xstrdup(s);
}
}
static void data_readlines(void)
{
int i;
char current_line[256];
FILE *fp;
fp = (inp_stdin) ? stdin : bb_xfopen(filename, "r");
flines = NULL;
for (i = 0; (feof(fp)==0) && (i <= MAXLINES); i++) {
strcpy(current_line, "");
fgets(current_line, 256, fp);
if (fp != stdin)
bb_xferror(fp, filename);
flines = xrealloc(flines, (i+1) * sizeof(char *));
flines[i] = bb_xstrdup(current_line);
}
num_flines = i - 2;
/* Reset variables for a new file */
line_pos = 0;
past_eof = 0;
fclose(fp);
if (inp == NULL)
inp = (inp_stdin) ? bb_xfopen(CURRENT_TTY, "r") : stdin;
if (flags & FLAG_N)
add_linenumbers();
}
static unsigned char *extract_filename(char *line, unsigned short patch_level)
{
char *filename_start_ptr = line + 4;
int i;
/* Terminate string at end of source filename */
{
char *line_ptr;
line_ptr = strchr(filename_start_ptr, '\t');
if (!line_ptr) {
bb_perror_msg("Malformed line %s", line);
return(NULL);
}
*line_ptr = '\0';
}
/* Skip over (patch_level) number of leading directories */
for (i = 0; i < patch_level; i++) {
char *dirname_ptr;
dirname_ptr = strchr(filename_start_ptr, '/');
if (!dirname_ptr) {
break;
}
filename_start_ptr = dirname_ptr + 1;
}
return(bb_xstrdup(filename_start_ptr));
}
static llist_t *get_block_backed_filesystems(void)
{
char *fs, *buf,
*filesystems[] = {"/etc/filesystems", "/proc/filesystems", 0};
llist_t *list = 0;
int i;
FILE *f;
for(i = 0; filesystems[i]; i++) {
if(!(f = fopen(filesystems[i], "r"))) continue;
for(fs = buf = 0; (fs = buf = bb_get_chomped_line_from_file(f));
free(buf))
{
if(!strncmp(buf,"nodev",5) && isspace(buf[5])) continue;
while(isspace(*fs)) fs++;
if(*fs=='#' || *fs=='*') continue;
if(!*fs) continue;
llist_add_to_end(&list,bb_xstrdup(fs));
}
if (ENABLE_FEATURE_CLEAN_UP) fclose(f);
}
return list;
}
/*
* Process the commands arguments
*/
static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
{
/* handle (s)ubstitution command */
if (sed_cmd->cmd == 's') cmdstr += parse_subst_cmd(sed_cmd, cmdstr);
/* handle edit cmds: (a)ppend, (i)nsert, and (c)hange */
else if (strchr("aic", sed_cmd->cmd)) {
if ((sed_cmd->end_line || sed_cmd->end_match) && sed_cmd->cmd != 'c')
bb_error_msg_and_die
("only a beginning address can be specified for edit commands");
while(isspace(*cmdstr)) cmdstr++;
sed_cmd->string = bb_xstrdup(cmdstr);
parse_escapes(sed_cmd->string,sed_cmd->string,strlen(cmdstr),0,0);
cmdstr += strlen(cmdstr);
/* handle file cmds: (r)ead */
} else if(strchr("rw", sed_cmd->cmd)) {
if (sed_cmd->end_line || sed_cmd->end_match)
bb_error_msg_and_die("Command only uses one address");
cmdstr += parse_file_cmd(sed_cmd, cmdstr, &sed_cmd->string);
if(sed_cmd->cmd=='w')
sed_cmd->file=bb_xfopen(sed_cmd->string,"w");
/* handle branch commands */
} else if (strchr(":bt", sed_cmd->cmd)) {
int length;
while(isspace(*cmdstr)) cmdstr++;
length = strcspn(cmdstr, semicolon_whitespace);
if (length) {
sed_cmd->string = strndup(cmdstr, length);
cmdstr += length;
}
}
/* translation command */
else if (sed_cmd->cmd == 'y') {
char *match, *replace;
int i=cmdstr[0];
cmdstr+=parse_regex_delim(cmdstr, &match, &replace)+1;
/* \n already parsed, but \delimiter needs unescaping. */
parse_escapes(match,match,strlen(match),i,i);
parse_escapes(replace,replace,strlen(replace),i,i);
sed_cmd->string = xcalloc(1, (strlen(match) + 1) * 2);
for (i = 0; match[i] && replace[i]; i++) {
sed_cmd->string[i * 2] = match[i];
sed_cmd->string[(i * 2) + 1] = replace[i];
}
free(match);
free(replace);
}
/* if it wasnt a single-letter command that takes no arguments
* then it must be an invalid command.
*/
else if (strchr("dDgGhHlnNpPqx={}", sed_cmd->cmd) == 0) {
bb_error_msg_and_die("Unsupported command %c", sed_cmd->cmd);
}
/* give back whatever's left over */
return (cmdstr);
}
static void get_previous_history(void)
{
if(command_ps[0] != 0 || history[cur_history] == 0) {
free(history[cur_history]);
history[cur_history] = bb_xstrdup(command_ps);
}
cur_history--;
}
/* Append mount options to string */
static void append_mount_options(char **oldopts, char *newopts)
{
if(*oldopts && **oldopts) {
char *temp=bb_xasprintf("%s,%s",*oldopts,newopts);
free(*oldopts);
*oldopts=temp;
} else {
if (ENABLE_FEATURE_CLEAN_UP) free(*oldopts);
*oldopts = bb_xstrdup(newopts);
}
}
/* Initialise the buffer */
static void buffer_init(void)
{
int i;
if (buffer == NULL) {
/* malloc the number of lines needed for the buffer */
buffer = xrealloc(buffer, height * sizeof(char *));
} else {
for (i = 0; i < (height - 1); i++)
free(buffer[i]);
}
/* Fill the buffer until the end of the file or the
end of the buffer is reached */
for (i = 0; (i < (height - 1)) && (i <= num_flines); i++) {
buffer[i] = bb_xstrdup(flines[i]);
}
/* If the buffer still isn't full, fill it with blank lines */
for (; i < (height - 1); i++) {
buffer[i] = bb_xstrdup("");
}
}
static void add_cmd_block(char *cmdstr)
{
int go=1;
char *temp=bb_xstrdup(cmdstr),*temp2=temp;
while(go) {
int len=strcspn(temp2,"\n");
if(!temp2[len]) go=0;
else temp2[len]=0;
add_cmd(temp2);
temp2+=len+1;
}
free(temp);
}
int mount_main(int argc, char **argv)
{
char *cmdopts = bb_xstrdup(""), *fstabname, *fstype=0, *storage_path=0;
FILE *fstab;
int i, opt, all = FALSE, rc = 0;
struct mntent mtpair[2], *mtcur = mtpair;
int resolved_spec = 0;
/* parse long options, like --bind and --move. Note that -o option
* and --option are synonymous. Yes, this means --remount,rw works. */
for (i = opt = 0; i < argc; i++) {
if (argv[i][0] == '-' && argv[i][1] == '-') {
append_mount_options(&cmdopts,argv[i]+2);
} else argv[opt++] = argv[i];
}
argc = opt;
// Parse remaining options
while ((opt = getopt(argc, argv, "o:t:rwavnfi")) > 0) {
switch (opt) {
case 'o':
append_mount_options(&cmdopts, optarg);
break;
case 't':
fstype = optarg;
break;
case 'r':
append_mount_options(&cmdopts, "ro");
break;
case 'w':
append_mount_options(&cmdopts, "rw");
break;
case 'a':
all = TRUE;
break;
case 'n':
USE_FEATURE_MTAB_SUPPORT(useMtab = FALSE;)
break;
case 'f':
USE_FEATURE_MTAB_SUPPORT(fakeIt = FALSE;)
break;
case 'i':
case 'v':
break; // ignore
default:
bb_show_usage();
}
void fileaction_dobackup(char *filename, int fileref)
{
struct stat oldfile;
int stat_res;
char *newname;
if (rpm_getint(RPMTAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) { /* Only need to backup config files */
stat_res = lstat (filename, &oldfile);
if (stat_res == 0 && S_ISREG(oldfile.st_mode)) { /* File already exists - really should check MD5's etc to see if different */
newname = bb_xstrdup(filename);
newname = strcat(newname, ".rpmorig");
copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
free(newname);
}
}
}
/*
* Read a sysctl setting
*
*/
int sysctl_read_setting(const char *setting, int output)
{
int retval = 0;
char *tmpname, *outname, *cptr;
char inbuf[1025];
const char *name = setting;
FILE *fp;
if (!setting || !*setting)
bb_error_msg(ERR_INVALID_KEY, setting);
tmpname = concat_path_file(PROC_PATH, name);
outname = bb_xstrdup(tmpname + strlen(PROC_PATH));
while ((cptr = strchr(tmpname, '.')) != NULL)
*cptr = '/';
while ((cptr = strchr(outname, '/')) != NULL)
*cptr = '.';
if ((fp = fopen(tmpname, "r")) == NULL) {
switch (errno) {
case ENOENT:
bb_error_msg(ERR_INVALID_KEY, outname);
break;
case EACCES:
bb_error_msg(ERR_PERMISSION_DENIED, outname);
break;
default:
bb_error_msg(ERR_UNKNOWN_READING, errno, outname);
break;
}
retval = -1;
} else {
while (fgets(inbuf, sizeof(inbuf) - 1, fp)) {
if (output) {
dwrite_str(STDOUT_FILENO, outname);
dwrite_str(STDOUT_FILENO, " = ");
}
dwrite_str(STDOUT_FILENO, inbuf);
}
fclose(fp);
}
free(tmpname);
free(outname);
return retval;
} /* end sysctl_read_setting() */
extern char *find_real_root_device_name(const char* name)
{
DIR *dir;
struct dirent *entry;
struct stat statBuf, rootStat;
char *fileName = NULL;
dev_t dev;
if (stat("/", &rootStat) != 0)
bb_perror_msg("could not stat '/'");
else {
/* This check is here in case they pass in /dev name */
if ((rootStat.st_mode & S_IFMT) == S_IFBLK)
dev = rootStat.st_rdev;
else
dev = rootStat.st_dev;
dir = opendir("/dev");
if (!dir)
bb_perror_msg("could not open '/dev'");
else {
while((entry = readdir(dir)) != NULL) {
const char *myname = entry->d_name;
/* Must skip ".." since that is "/", and so we
* would get a false positive on ".." */
if (myname[0] == '.' && myname[1] == '.' && !myname[2])
continue;
fileName = concat_path_file("/dev", myname);
/* Some char devices have the same dev_t as block
* devices, so make sure this is a block device */
if (stat(fileName, &statBuf) == 0 &&
S_ISBLK(statBuf.st_mode)!=0 &&
statBuf.st_rdev == dev)
break;
free(fileName);
fileName=NULL;
}
closedir(dir);
}
}
if(fileName==NULL)
fileName = bb_xstrdup("/dev/root");
return fileName;
}
static int path_parse(char ***p, int flags)
{
int npth;
const char *tmp;
const char *pth;
/* if not setenv PATH variable, to search cur dir "." */
if (flags != FIND_EXE_ONLY || (pth = cmdedit_path_lookup) == 0 ||
/* PATH=<empty> or PATH=:<empty> */
*pth == 0 || (*pth == ':' && *(pth + 1) == 0)) {
return 1;
}
tmp = pth;
npth = 0;
for (;;) {
npth++; /* count words is + 1 count ':' */
tmp = strchr(tmp, ':');
if (tmp) {
if (*++tmp == 0)
break; /* :<empty> */
} else
break;
}
*p = xmalloc(npth * sizeof(char *));
tmp = pth;
(*p)[0] = bb_xstrdup(tmp);
npth = 1; /* count words is + 1 count ':' */
for (;;) {
tmp = strchr(tmp, ':');
if (tmp) {
(*p)[0][(tmp - pth)] = 0; /* ':' -> '\0' */
if (*++tmp == 0)
break; /* :<empty> */
} else
break;
(*p)[npth++] = &(*p)[0][(tmp - pth)]; /* p[next]=p[0][&'\0'+1] */
}
return npth;
}
static const char *
password_check(const char *old, const char *newval, const struct passwd *pwdp)
{
const char *msg;
char *newmono, *wrapped;
int lenwrap;
if (strcmp(newval, old) == 0)
return "no change";
if (simple(newval))
return "too simple";
msg = NULL;
newmono = str_lower(bb_xstrdup(newval));
lenwrap = strlen(old);
wrapped = (char *) xmalloc(lenwrap * 2 + 1);
str_lower(strcpy(wrapped, old));
if (palindrome(newmono))
msg = "a palindrome";
else if (strcmp(wrapped, newmono) == 0)
msg = "case changes only";
else if (similiar(wrapped, newmono))
msg = "too similiar";
else if ( strstr(newval, pwdp->pw_name) )
msg = "username in password";
else {
safe_strncpy(wrapped + lenwrap, wrapped, lenwrap + 1);
if (strstr(wrapped, newmono))
msg = "rotated";
}
memset(newmono, 0, strlen(newmono));
memset(wrapped, 0, lenwrap * 2);
free(newmono);
free(wrapped);
return msg;
}
/*
* This function appends an option to a list
*/
static struct mod_opt_t *append_option( struct mod_opt_t *opt_list, char *opt )
{
struct mod_opt_t *ol = opt_list;
if( ol ) {
while( ol-> m_next ) {
ol = ol-> m_next;
}
ol-> m_next = xmalloc( sizeof( struct mod_opt_t ) );
ol = ol-> m_next;
} else {
ol = opt_list = xmalloc( sizeof( struct mod_opt_t ) );
}
ol-> m_opt_val = bb_xstrdup( opt );
ol-> m_next = NULL;
return opt_list;
}
static void examine_file(void)
{
int newline_offset;
clear_line();
printf("Examine: ");
fgets(filename, 256, inp);
/* As fgets adds a newline to the end of an input string, we
need to remove it */
newline_offset = strlen(filename) - 1;
filename[newline_offset] = '\0';
files[num_files] = bb_xstrdup(filename);
current_file = num_files + 1;
num_files++;
inp_stdin = 0;
reinitialise();
}
char *bb_simplify_path(const char *path)
{
char *s, *start, *p;
if (path[0] == '/')
start = bb_xstrdup(path);
else {
s = xgetcwd(NULL);
start = concat_path_file(s, path);
free(s);
}
p = s = start;
do {
if (*p == '/') {
if (*s == '/') { /* skip duplicate (or initial) slash */
continue;
} else if (*s == '.') {
if (s[1] == '/' || s[1] == 0) { /* remove extra '.' */
continue;
} else if ((s[1] == '.') && (s[2] == '/' || s[2] == 0)) {
++s;
if (p > start) {
while (*--p != '/'); /* omit previous dir */
}
continue;
}
}
}
*++p = *s;
} while (*++s);
if ((p == start) || (*p != '/')) { /* not a trailing slash */
++p; /* so keep last character */
}
*p = 0;
return start;
}
static char *process_regex_on_line(char *line, regex_t *pattern, int action)
{
/* This function takes the regex and applies it to the line.
Each part of the line that matches has the HIGHLIGHT
and NORMAL escape sequences placed around it by
insert_highlights if action = 1, or has the escape sequences
removed if action = 0, and then the line is returned. */
int match_status;
char *line2 = (char *) xmalloc((sizeof(char) * (strlen(line) + 1)) + 64);
char *growline = "";
regmatch_t match_structs;
line2 = bb_xstrdup(line);
match_found = 0;
match_status = regexec(pattern, line2, 1, &match_structs, 0);
while (match_status == 0) {
if (match_found == 0)
match_found = 1;
if (action) {
growline = bb_xasprintf("%s%.*s%s%.*s%s", growline, match_structs.rm_so, line2, HIGHLIGHT, match_structs.rm_eo - match_structs.rm_so, line2 + match_structs.rm_so, NORMAL);
}
else {
growline = bb_xasprintf("%s%.*s%.*s", growline, match_structs.rm_so - 4, line2, match_structs.rm_eo - match_structs.rm_so, line2 + match_structs.rm_so);
}
line2 += match_structs.rm_eo;
match_status = regexec(pattern, line2, 1, &match_structs, REG_NOTBOL);
}
growline = bb_xasprintf("%s%s", growline, line2);
return (match_found ? growline : line);
free(growline);
free(line2);
}
extern char get_header_tar(archive_handle_t *archive_handle)
{
file_header_t *file_header = archive_handle->file_header;
union {
unsigned char raw[512];
struct {
char name[100]; /* 0-99 */
char mode[8]; /* 100-107 */
char uid[8]; /* 108-115 */
char gid[8]; /* 116-123 */
char size[12]; /* 124-135 */
char mtime[12]; /* 136-147 */
char chksum[8]; /* 148-155 */
char typeflag; /* 156-156 */
char linkname[100]; /* 157-256 */
char magic[6]; /* 257-262 */
char version[2]; /* 263-264 */
char uname[32]; /* 265-296 */
char gname[32]; /* 297-328 */
char devmajor[8]; /* 329-336 */
char devminor[8]; /* 337-344 */
char prefix[155]; /* 345-499 */
char padding[12]; /* 500-512 */
} formated;
} tar;
long sum = 0;
long i;
char *tmp;
/* Align header */
data_align(archive_handle, 512);
if (archive_xread(archive_handle, tar.raw, 512) != 512) {
/* Assume end of file */
return(EXIT_FAILURE);
}
archive_handle->offset += 512;
/* If there is no filename its an empty header */
if (tar.formated.name[0] == 0) {
return(EXIT_SUCCESS);
}
/* Check header has valid magic, "ustar" is for the proper tar
* 0's are for the old tar format
*/
if (strncmp(tar.formated.magic, "ustar", 5) != 0) {
#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
if (strncmp(tar.formated.magic, "\0\0\0\0\0", 5) != 0)
#endif
bb_error_msg_and_die("Invalid tar magic");
}
/* Do checksum on headers */
for (i = 0; i < 148 ; i++) {
sum += tar.raw[i];
}
sum += ' ' * 8;
for (i = 156; i < 512 ; i++) {
sum += tar.raw[i];
}
if (sum != strtol(tar.formated.chksum, NULL, 8)) {
bb_error_msg("Invalid tar header checksum");
return(EXIT_FAILURE);
}
#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
if (longname) {
file_header->name = longname;
longname = NULL;
}
else if (linkname) {
file_header->name = linkname;
linkname = NULL;
} else
#endif
if (tar.formated.prefix[0] == 0) {
file_header->name = strdup(tar.formated.name);
} else {
file_header->name = concat_path_file(tar.formated.prefix, tar.formated.name);
}
tmp = last_char_is(archive_handle->file_header->name, '/');
if (tmp) {
*tmp = '\0';
}
file_header->mode = strtol(tar.formated.mode, NULL, 8);
file_header->uid = strtol(tar.formated.uid, NULL, 8);
file_header->gid = strtol(tar.formated.gid, NULL, 8);
file_header->size = strtol(tar.formated.size, NULL, 8);
file_header->mtime = strtol(tar.formated.mtime, NULL, 8);
file_header->link_name = (tar.formated.linkname[0] != '\0') ?
bb_xstrdup(tar.formated.linkname) : NULL;
file_header->device = (dev_t) ((strtol(tar.formated.devmajor, NULL, 8) << 8) +
strtol(tar.formated.devminor, NULL, 8));
if (tar.formated.typeflag == '1') {
bb_error_msg("WARNING: Converting hard link to symlink");
file_header->mode |= S_IFLNK;
}
#if defined CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY || defined CONFIG_FEATURE_TAR_GNU_EXTENSIONS
/* Fix mode, used by the old format */
switch (tar.formated.typeflag) {
# ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
case 0:
case '0':
file_header->mode |= S_IFREG;
break;
case '1':
// bb_error_msg("Internal hard link not supported");
break;
case '2':
file_header->mode |= S_IFLNK;
break;
case '3':
file_header->mode |= S_IFCHR;
break;
case '4':
file_header->mode |= S_IFBLK;
break;
case '5':
file_header->mode |= S_IFDIR;
break;
case '6':
file_header->mode |= S_IFIFO;
break;
# endif
# ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
case 'L': {
longname = xmalloc(file_header->size + 1);
archive_xread_all(archive_handle, longname, file_header->size);
longname[file_header->size] = '\0';
archive_handle->offset += file_header->size;
return(get_header_tar(archive_handle));
}
case 'K': {
linkname = xmalloc(file_header->size + 1);
archive_xread_all(archive_handle, linkname, file_header->size);
linkname[file_header->size] = '\0';
archive_handle->offset += file_header->size;
file_header->name = linkname;
return(get_header_tar(archive_handle));
}
case 'D':
case 'M':
case 'N':
case 'S':
case 'V':
bb_error_msg("Ignoring GNU extension type %c", tar.formated.typeflag);
# endif
}
#endif
if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) {
archive_handle->action_header(archive_handle->file_header);
archive_handle->flags |= ARCHIVE_EXTRACT_QUIET;
archive_handle->action_data(archive_handle);
archive_handle->passed = llist_add_to(archive_handle->passed, archive_handle->file_header->name);
} else {
data_skip(archive_handle);
}
archive_handle->offset += file_header->size;
return(EXIT_SUCCESS);
}
/* numeric: & 0x8000: default instead of *,
* & 0x4000: host instead of net,
* & 0x0fff: don't resolve
*/
int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
int numeric, unsigned int netmask)
{
struct hostent *ent;
struct netent *np;
struct addr *pn;
unsigned long ad, host_ad;
int host = 0;
/* Grmpf. -FvK */
if (s_in->sin_family != AF_INET) {
#ifdef DEBUG
bb_error_msg("rresolve: unsupport address family %d !",
s_in->sin_family);
#endif
errno = EAFNOSUPPORT;
return (-1);
}
ad = (unsigned long) s_in->sin_addr.s_addr;
#ifdef DEBUG
bb_error_msg("rresolve: %08lx, mask %08x, num %08x", ad, netmask, numeric);
#endif
if (ad == INADDR_ANY) {
if ((numeric & 0x0FFF) == 0) {
if (numeric & 0x8000)
safe_strncpy(name, bb_INET_default, len);
else
safe_strncpy(name, "*", len);
return (0);
}
}
if (numeric & 0x0FFF) {
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
return (0);
}
if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
host = 1;
#if 0
INET_nn = NULL;
#endif
pn = INET_nn;
while (pn != NULL) {
if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
safe_strncpy(name, pn->name, len);
#ifdef DEBUG
bb_error_msg("rresolve: found %s %08lx in cache",
(host ? "host" : "net"), ad);
#endif
return (0);
}
pn = pn->next;
}
host_ad = ntohl(ad);
np = NULL;
ent = NULL;
if (host) {
#ifdef DEBUG
bb_error_msg("gethostbyaddr (%08lx)", ad);
#endif
ent = gethostbyaddr((char *) &ad, 4, AF_INET);
if (ent != NULL) {
safe_strncpy(name, ent->h_name, len);
}
} else {
#ifdef DEBUG
bb_error_msg("getnetbyaddr (%08lx)", host_ad);
#endif
np = getnetbyaddr(host_ad, AF_INET);
if (np != NULL) {
safe_strncpy(name, np->n_name, len);
}
}
if ((ent == NULL) && (np == NULL)) {
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
}
pn = (struct addr *) xmalloc(sizeof(struct addr));
pn->addr = *s_in;
pn->next = INET_nn;
pn->host = host;
pn->name = bb_xstrdup(name);
INET_nn = pn;
return (0);
}
extern char get_header_tar(archive_handle_t *archive_handle)
{
file_header_t *file_header = archive_handle->file_header;
union {
/* ustar header, Posix 1003.1 */
unsigned char raw[512];
struct {
char name[100]; /* 0-99 */
char mode[8]; /* 100-107 */
char uid[8]; /* 108-115 */
char gid[8]; /* 116-123 */
char size[12]; /* 124-135 */
char mtime[12]; /* 136-147 */
char chksum[8]; /* 148-155 */
char typeflag; /* 156-156 */
char linkname[100]; /* 157-256 */
char magic[6]; /* 257-262 */
char version[2]; /* 263-264 */
char uname[32]; /* 265-296 */
char gname[32]; /* 297-328 */
char devmajor[8]; /* 329-336 */
char devminor[8]; /* 337-344 */
char prefix[155]; /* 345-499 */
char padding[12]; /* 500-512 */
} formated;
} tar;
long sum = 0;
long i;
/* Align header */
data_align(archive_handle, 512);
if (bb_full_read(archive_handle->src_fd, tar.raw, 512) != 512) {
/* Assume end of file */
return(EXIT_FAILURE);
}
archive_handle->offset += 512;
/* If there is no filename its an empty header */
if (tar.formated.name[0] == 0) {
return(EXIT_SUCCESS);
}
/* Check header has valid magic, "ustar" is for the proper tar
* 0's are for the old tar format
*/
if (strncmp(tar.formated.magic, "ustar", 5) != 0) {
#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
if (strncmp(tar.formated.magic, "\0\0\0\0\0", 5) != 0)
#endif
bb_error_msg_and_die("Invalid tar magic");
}
/* Do checksum on headers */
for (i = 0; i < 148 ; i++) {
sum += tar.raw[i];
}
sum += ' ' * 8;
for (i = 156; i < 512 ; i++) {
sum += tar.raw[i];
}
if (sum != strtol(tar.formated.chksum, NULL, 8)) {
bb_error_msg("Invalid tar header checksum");
return(EXIT_FAILURE);
}
#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
if (longname) {
file_header->name = longname;
longname = NULL;
}
else if (linkname) {
file_header->name = linkname;
linkname = NULL;
} else
#endif
if (tar.formated.prefix[0] == 0) {
file_header->name = strdup(tar.formated.name);
} else {
file_header->name = concat_path_file(tar.formated.prefix, tar.formated.name);
}
file_header->uid = strtol(tar.formated.uid, NULL, 8);
file_header->gid = strtol(tar.formated.gid, NULL, 8);
file_header->size = strtol(tar.formated.size, NULL, 8);
file_header->mtime = strtol(tar.formated.mtime, NULL, 8);
file_header->link_name = (tar.formated.linkname[0] != '\0') ?
bb_xstrdup(tar.formated.linkname) : NULL;
file_header->device = (dev_t) ((strtol(tar.formated.devmajor, NULL, 8) << 8) +
strtol(tar.formated.devminor, NULL, 8));
/* Set bits 0-11 of the files mode */
file_header->mode = 07777 & strtol(tar.formated.mode, NULL, 8);
/* Set bits 12-15 of the files mode */
switch (tar.formated.typeflag) {
/* busybox identifies hard links as being regular files with 0 size and a link name */
case '1':
file_header->mode |= S_IFREG;
break;
case 'x':
case 'g':
bb_error_msg_and_die("pax is not tar");
break;
case '7':
/* Reserved for high performance files, treat as normal file */
case 0:
case '0':
#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
if (last_char_is(file_header->name, '/')) {
file_header->mode |= S_IFDIR;
} else
#endif
file_header->mode |= S_IFREG;
break;
case '2':
file_header->mode |= S_IFLNK;
break;
case '3':
file_header->mode |= S_IFCHR;
break;
case '4':
file_header->mode |= S_IFBLK;
break;
case '5':
file_header->mode |= S_IFDIR;
break;
case '6':
file_header->mode |= S_IFIFO;
break;
#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
case 'L': {
longname = xmalloc(file_header->size + 1);
archive_xread_all(archive_handle, longname, file_header->size);
longname[file_header->size] = '\0';
archive_handle->offset += file_header->size;
return(get_header_tar(archive_handle));
}
case 'K': {
linkname = xmalloc(file_header->size + 1);
archive_xread_all(archive_handle, linkname, file_header->size);
linkname[file_header->size] = '\0';
archive_handle->offset += file_header->size;
file_header->name = linkname;
return(get_header_tar(archive_handle));
}
case 'D': /* GNU dump dir */
case 'M': /* Continuation of multi volume archive*/
case 'N': /* Old GNU for names > 100 characters */
case 'S': /* Sparse file */
case 'V': /* Volume header */
bb_error_msg("Ignoring GNU extension type %c", tar.formated.typeflag);
#endif
default:
bb_error_msg("Unknown typeflag: 0x%x", tar.formated.typeflag);
}
{ /* Strip trailing '/' in directories */
/* Must be done after mode is set as '/' is used to check if its a directory */
char *tmp = last_char_is(file_header->name, '/');
if (tmp) {
*tmp = '\0';
}
}
if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) {
archive_handle->action_header(archive_handle->file_header);
archive_handle->flags |= ARCHIVE_EXTRACT_QUIET;
archive_handle->action_data(archive_handle);
archive_handle->passed = llist_add_to(archive_handle->passed, file_header->name);
} else {
data_skip(archive_handle);
}
archive_handle->offset += file_header->size;
free(file_header->link_name);
return(EXIT_SUCCESS);
}
static void rewrite(FS * fs)
{
enum { NOTOKAY, USEBCNT, USEPREC } sokay;
register PR *pr, **nextpr = NULL;
register FU *fu;
register char *p1, *p2, *p3;
char savech, *fmtp;
const char *byte_count_str;
int nconv, prec = 0;
for (fu = fs->nextfu; fu; fu = fu->nextfu) {
/*
* break each format unit into print units; each
* conversion character gets its own.
*/
for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) {
/* NOSTRICT */
/* DBU:[[email protected]] calloc so that forward ptrs start out NULL*/
pr = (PR *) xcalloc(1,sizeof(PR));
if (!fu->nextpr)
fu->nextpr = pr;
/* ignore nextpr -- its unused inside the loop and is
* uninitialized 1st time thru.
*/
/* bb_dump_skip preceding text and up to the next % sign */
for (p1 = fmtp; *p1 && *p1 != '%'; ++p1);
/* only text in the string */
if (!*p1) {
pr->fmt = fmtp;
pr->flags = F_TEXT;
break;
}
/*
* get precision for %s -- if have a byte count, don't
* need it.
*/
if (fu->bcnt) {
sokay = USEBCNT;
/* bb_dump_skip to conversion character */
for (++p1; strchr(index_str, *p1); ++p1);
} else {
/* bb_dump_skip any special chars, field width */
while (strchr(index_str + 1, *++p1));
if (*p1 == '.' && isdigit(*++p1)) {
sokay = USEPREC;
prec = atoi(p1);
while (isdigit(*++p1));
} else
sokay = NOTOKAY;
}
p2 = p1 + 1; /* set end pointer */
/*
* figure out the byte count for each conversion;
* rewrite the format as necessary, set up blank-
* pbb_dump_adding for end of data.
*/
if (*p1 == 'c') {
pr->flags = F_CHAR;
DO_BYTE_COUNT_1:
byte_count_str = "\001";
DO_BYTE_COUNT:
if (fu->bcnt) {
do {
if (fu->bcnt == *byte_count_str) {
break;
}
} while (*++byte_count_str);
}
/* Unlike the original, output the remainder of the format string. */
if (!*byte_count_str) {
bb_error_msg_and_die("bad byte count for conversion character %s.", p1);
}
pr->bcnt = *byte_count_str;
} else if (*p1 == 'l') {
++p2;
++p1;
DO_INT_CONV:
{
const char *e;
if (!(e = strchr(lcc, *p1))) {
goto DO_BAD_CONV_CHAR;
}
pr->flags = F_INT;
if (e > lcc + 1) {
pr->flags = F_UINT;
}
byte_count_str = "\004\002\001";
goto DO_BYTE_COUNT;
}
/* NOTREACHED */
} else if (strchr(lcc, *p1)) {
goto DO_INT_CONV;
} else if (strchr("eEfgG", *p1)) {
pr->flags = F_DBL;
byte_count_str = "\010\004";
goto DO_BYTE_COUNT;
} else if (*p1 == 's') {
pr->flags = F_STR;
if (sokay == USEBCNT) {
pr->bcnt = fu->bcnt;
} else if (sokay == USEPREC) {
pr->bcnt = prec;
} else { /* NOTOKAY */
bb_error_msg_and_die("%%s requires a precision or a byte count.");
}
} else if (*p1 == '_') {
++p2;
switch (p1[1]) {
case 'A':
endfu = fu;
fu->flags |= F_IGNORE;
/* FALLTHROUGH */
case 'a':
pr->flags = F_ADDRESS;
++p2;
if ((p1[2] != 'd') && (p1[2] != 'o') && (p1[2] != 'x')) {
goto DO_BAD_CONV_CHAR;
}
*p1 = p1[2];
break;
case 'c':
pr->flags = F_C;
/* *p1 = 'c'; set in conv_c */
goto DO_BYTE_COUNT_1;
case 'p':
pr->flags = F_P;
*p1 = 'c';
goto DO_BYTE_COUNT_1;
case 'u':
pr->flags = F_U;
/* *p1 = 'c'; set in conv_u */
goto DO_BYTE_COUNT_1;
default:
goto DO_BAD_CONV_CHAR;
}
} else {
DO_BAD_CONV_CHAR:
bb_error_msg_and_die("bad conversion character %%%s.\n", p1);
}
/*
* copy to PR format string, set conversion character
* pointer, update original.
*/
savech = *p2;
p1[1] = '\0';
pr->fmt = bb_xstrdup(fmtp);
*p2 = savech;
pr->cchar = pr->fmt + (p1 - fmtp);
/* DBU:[[email protected]] w/o this, trailing fmt text, space is lost.
* Skip subsequent text and up to the next % sign and tack the
* additional text onto fmt: eg. if fmt is "%x is a HEX number",
* we lose the " is a HEX number" part of fmt.
*/
for (p3 = p2; *p3 && *p3 != '%'; p3++);
if (p3 > p2)
{
savech = *p3;
*p3 = '\0';
if (!(pr->fmt = realloc(pr->fmt, strlen(pr->fmt)+(p3-p2)+1)))
bb_perror_msg_and_die("hexdump");
strcat(pr->fmt, p2);
*p3 = savech;
p2 = p3;
}
fmtp = p2;
/* only one conversion character if byte count */
if (!(pr->flags & F_ADDRESS) && fu->bcnt && nconv++) {
bb_error_msg_and_die("byte count with multiple conversion characters.\n");
}
}
/*
* if format unit byte count not specified, figure it out
* so can adjust rep count later.
*/
if (!fu->bcnt)
for (pr = fu->nextpr; pr; pr = pr->nextpr)
fu->bcnt += pr->bcnt;
}
/*
* if the format string interprets any data at all, and it's
* not the same as the bb_dump_blocksize, and its last format unit
* interprets any data at all, and has no iteration count,
* repeat it as necessary.
*
* if, rep count is greater than 1, no trailing whitespace
* gets output from the last iteration of the format unit.
*/
for (fu = fs->nextfu;; fu = fu->nextfu) {
if (!fu->nextfu && fs->bcnt < bb_dump_blocksize &&
!(fu->flags & F_SETREP) && fu->bcnt)
fu->reps += (bb_dump_blocksize - fs->bcnt) / fu->bcnt;
if (fu->reps > 1) {
for (pr = fu->nextpr;; pr = pr->nextpr)
if (!pr->nextpr)
break;
for (p1 = pr->fmt, p2 = NULL; *p1; ++p1)
p2 = isspace(*p1) ? p1 : NULL;
if (p2)
pr->nospace = p2;
}
if (!fu->nextfu)
break;
}
}
void data_extract_all(archive_handle_t *archive_handle)
{
file_header_t *file_header = archive_handle->file_header;
int dst_fd;
int res;
if (archive_handle->flags & ARCHIVE_CREATE_LEADING_DIRS) {
char *name = bb_xstrdup(file_header->name);
bb_make_directory (dirname(name), -1, FILEUTILS_RECUR);
free(name);
}
/* Check if the file already exists */
if (archive_handle->flags & ARCHIVE_EXTRACT_UNCONDITIONAL) {
/* Remove the existing entry if it exists */
if (((file_header->mode & S_IFMT) != S_IFDIR) && (unlink(file_header->name) == -1) && (errno != ENOENT)) {
bb_perror_msg_and_die("Couldnt remove old file");
}
}
else if (archive_handle->flags & ARCHIVE_EXTRACT_NEWER) {
/* Remove the existing entry if its older than the extracted entry */
struct stat statbuf;
if (lstat(file_header->name, &statbuf) == -1) {
if (errno != ENOENT) {
bb_perror_msg_and_die("Couldnt stat old file");
}
}
else if (statbuf.st_mtime <= file_header->mtime) {
if (!(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
bb_error_msg("%s not created: newer or same age file exists", file_header->name);
}
data_skip(archive_handle);
return;
}
else if ((unlink(file_header->name) == -1) && (errno != EISDIR)) {
bb_perror_msg_and_die("Couldnt remove old file %s", file_header->name);
}
}
/* Handle hard links separately
* We identified hard links as regular files of size 0 with a symlink */
if (S_ISREG(file_header->mode) && (file_header->link_name) && (file_header->size == 0)) {
/* hard link */
res = link(file_header->link_name, file_header->name);
if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
bb_perror_msg("Couldnt create hard link");
}
} else {
/* Create the filesystem entry */
switch(file_header->mode & S_IFMT) {
case S_IFREG: {
/* Regular file */
dst_fd = bb_xopen(file_header->name, O_WRONLY | O_CREAT | O_EXCL);
bb_copyfd_size(archive_handle->src_fd, dst_fd, file_header->size);
close(dst_fd);
break;
}
case S_IFDIR:
res = mkdir(file_header->name, file_header->mode);
if ((errno != EISDIR) && (res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
bb_perror_msg("extract_archive: %s", file_header->name);
}
break;
case S_IFLNK:
/* Symlink */
res = symlink(file_header->link_name, file_header->name);
if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
bb_perror_msg("Cannot create symlink from %s to '%s'", file_header->name, file_header->link_name);
}
break;
case S_IFSOCK:
case S_IFBLK:
case S_IFCHR:
case S_IFIFO:
res = mknod(file_header->name, file_header->mode, file_header->device);
if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
bb_perror_msg("Cannot create node %s", file_header->name);
}
break;
default:
bb_error_msg_and_die("Unrecognised file type");
}
}
if (!(archive_handle->flags & ARCHIVE_NOPRESERVE_OWN)) {
lchown(file_header->name, file_header->uid, file_header->gid);
}
if (!(archive_handle->flags & ARCHIVE_NOPRESERVE_PERM) &&
(file_header->mode & S_IFMT) != S_IFLNK)
{
chmod(file_header->name, file_header->mode);
}
if (archive_handle->flags & ARCHIVE_PRESERVE_DATE && !S_ISLNK(file_header->mode)) {
struct utimbuf t;
t.actime = t.modtime = file_header->mtime;
utime(file_header->name, &t);
}
}
extern char get_header_ar(archive_handle_t *archive_handle)
{
file_header_t *typed = archive_handle->file_header;
union {
char raw[60];
struct {
char name[16];
char date[12];
char uid[6];
char gid[6];
char mode[8];
char size[10];
char magic[2];
} formated;
} ar;
#ifdef CONFIG_FEATURE_AR_LONG_FILENAMES
static char *ar_long_names;
static unsigned int ar_long_name_size;
#endif
/* dont use bb_xread as we want to handle the error ourself */
if (read(archive_handle->src_fd, ar.raw, 60) != 60) {
/* End Of File */
return(EXIT_FAILURE);
}
/* Some ar entries have a trailing '\n' after the previous data entry */
if (ar.raw[0] == '\n') {
/* fix up the header, we started reading 1 byte too early */
memmove(ar.raw, &ar.raw[1], 59);
ar.raw[59] = bb_xread_char(archive_handle->src_fd);
archive_handle->offset++;
}
archive_handle->offset += 60;
/* align the headers based on the header magic */
if ((ar.formated.magic[0] != '`') || (ar.formated.magic[1] != '\n')) {
bb_error_msg_and_die("Invalid ar header");
}
typed->mode = strtol(ar.formated.mode, NULL, 8);
typed->mtime = atoi(ar.formated.date);
typed->uid = atoi(ar.formated.uid);
typed->gid = atoi(ar.formated.gid);
typed->size = atoi(ar.formated.size);
/* long filenames have '/' as the first character */
if (ar.formated.name[0] == '/') {
#ifdef CONFIG_FEATURE_AR_LONG_FILENAMES
if (ar.formated.name[1] == '/') {
/* If the second char is a '/' then this entries data section
* stores long filename for multiple entries, they are stored
* in static variable long_names for use in future entries */
ar_long_name_size = typed->size;
ar_long_names = xmalloc(ar_long_name_size);
bb_xread_all(archive_handle->src_fd, ar_long_names, ar_long_name_size);
archive_handle->offset += ar_long_name_size;
/* This ar entries data section only contained filenames for other records
* they are stored in the static ar_long_names for future reference */
return (get_header_ar(archive_handle)); /* Return next header */
} else if (ar.formated.name[1] == ' ') {
/* This is the index of symbols in the file for compilers */
data_skip(archive_handle);
archive_handle->offset += typed->size;
return (get_header_ar(archive_handle)); /* Return next header */
} else {
/* The number after the '/' indicates the offset in the ar data section
(saved in variable long_name) that conatains the real filename */
const unsigned int long_offset = atoi(&ar.formated.name[1]);
if (long_offset >= ar_long_name_size) {
bb_error_msg_and_die("Cant resolve long filename");
}
typed->name = bb_xstrdup(ar_long_names + long_offset);
}
#else
bb_error_msg_and_die("long filenames not supported");
#endif
} else {
/* short filenames */
typed->name = bb_xstrndup(ar.formated.name, 16);
}
typed->name[strcspn(typed->name, " /")] = '\0';
if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) {
archive_handle->action_header(typed);
if (archive_handle->sub_archive) {
while (archive_handle->action_data_subarchive(archive_handle->sub_archive) == EXIT_SUCCESS);
} else {
archive_handle->action_data(archive_handle);
}
} else {
data_skip(archive_handle);
}
archive_handle->offset += typed->size;
/* Set the file pointer to the correct spot, we may have been reading a compressed file */
lseek(archive_handle->src_fd, archive_handle->offset, SEEK_SET);
return(EXIT_SUCCESS);
}
