#include "busybox.h"
#include <getopt.h> /* for struct option */
-#ifdef CONFIG_LFS
-# define FILEOFF_TYPE off64_t
-# define FILEOFF_FMT "%lld"
-# define LSEEK lseek64
-# define STRTOOFF strtoll
-# define SAFE_STRTOOFF safe_strtoll
-/* stat64 etc as needed... */
-#else
-# define FILEOFF_TYPE off_t
-# define FILEOFF_FMT "%ld"
-# define LSEEK lseek
-# define STRTOOFF strtol
-# define SAFE_STRTOOFF safe_strtol
-/* Do we need to undefine O_LARGEFILE? */
-#endif
-
struct host_info {
+ // May be used if we ever will want to free() all xstrdup()s...
+ /* char *allocated; */
char *host;
int port;
char *path;
static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf);
/* Globals (can be accessed from signal handlers */
-static FILEOFF_TYPE content_len; /* Content-length of the file */
-static FILEOFF_TYPE beg_range; /* Range at which continue begins */
-static FILEOFF_TYPE transferred; /* Number of bytes transferred so far */
+static off_t content_len; /* Content-length of the file */
+static off_t beg_range; /* Range at which continue begins */
+#ifdef CONFIG_FEATURE_WGET_STATUSBAR
+static off_t transferred; /* Number of bytes transferred so far */
+#endif
static int chunked; /* chunked transfer encoding */
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
static void progressmeter(int flag);
}
#endif
-#define WGET_OPT_CONTINUE 1
-#define WGET_OPT_QUIET 2
-#define WGET_OPT_PASSIVE 4
-#define WGET_OPT_OUTNAME 8
-#define WGET_OPT_HEADER 16
-#define WGET_OPT_PREFIX 32
-#define WGET_OPT_PROXY 64
-#define WGET_OPT_USER_AGENT 128
-
-#if ENABLE_FEATURE_WGET_LONG_OPTIONS
-static const struct option wget_long_options[] = {
- { "continue", 0, NULL, 'c' },
- { "quiet", 0, NULL, 'q' },
- { "passive-ftp", 0, NULL, 139 }, /* FIXME: what is this - 139?? */
- { "output-document", 1, NULL, 'O' },
- { "header", 1, NULL, 131 },
- { "directory-prefix",1, NULL, 'P' },
- { "proxy", 1, NULL, 'Y' },
- { "user-agent", 1, NULL, 'U' },
- { 0, 0, 0, 0 }
-};
-#endif
-
int wget_main(int argc, char **argv)
{
- int n, try=5, status;
- unsigned opt;
- int port;
- char *proxy = 0;
- char *dir_prefix=NULL;
- char *s, buf[512];
- char extra_headers[1024];
- char *extra_headers_ptr = extra_headers;
- int extra_headers_left = sizeof(extra_headers);
+ char buf[512];
struct host_info server, target;
struct sockaddr_in s_in;
+ int n, status;
+ int port;
+ int try = 5;
+ unsigned opt;
+ char *s;
+ char *proxy = 0;
+ char *dir_prefix = NULL;
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+ char *extra_headers = NULL;
llist_t *headers_llist = NULL;
+#endif
+
+ /* server.allocated = target.allocated = NULL; */
FILE *sfp = NULL; /* socket to web/ftp server */
FILE *dfp = NULL; /* socket to ftp server (data) */
int got_clen = 0; /* got content-length: from server */
int output_fd = -1;
int use_proxy = 1; /* Use proxies if env vars are set */
- char *proxy_flag = "on"; /* Use proxies if env vars are set */
- char *user_agent = "Wget"; /* Content of the "User-Agent" header field */
+ const char *proxy_flag = "on"; /* Use proxies if env vars are set */
+ const char *user_agent = "Wget";/* Content of the "User-Agent" header field */
/*
* Crack command line.
*/
- opt_complementary = "-1:\203::";
+ enum {
+ WGET_OPT_CONTINUE = 0x1,
+ WGET_OPT_QUIET = 0x2,
+ WGET_OPT_OUTNAME = 0x4,
+ WGET_OPT_PREFIX = 0x8,
+ WGET_OPT_PROXY = 0x10,
+ WGET_OPT_USER_AGENT = 0x20,
+ WGET_OPT_PASSIVE = 0x40,
+ WGET_OPT_HEADER = 0x80,
+ };
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+ static const struct option wget_long_options[] = {
+ // name, has_arg, flag, val
+ { "continue", no_argument, NULL, 'c' },
+ { "quiet", no_argument, NULL, 'q' },
+ { "output-document", required_argument, NULL, 'O' },
+ { "directory-prefix", required_argument, NULL, 'P' },
+ { "proxy", required_argument, NULL, 'Y' },
+ { "user-agent", required_argument, NULL, 'U' },
+ { "passive-ftp", no_argument, NULL, 0xff },
+ { "header", required_argument, NULL, 0xfe },
+ { 0, 0, 0, 0 }
+};
applet_long_options = wget_long_options;
#endif
- opt = getopt32(argc, argv, "cq\213O:\203:P:Y:U:",
- &fname_out, &headers_llist,
- &dir_prefix, &proxy_flag, &user_agent);
+ opt_complementary = "-1" USE_FEATURE_WGET_LONG_OPTIONS(":\xfe::");
+ opt = getopt32(argc, argv, "cqO:P:Y:U:",
+ &fname_out, &dir_prefix,
+ &proxy_flag, &user_agent
+ USE_FEATURE_WGET_LONG_OPTIONS(, &headers_llist)
+ );
if (strcmp(proxy_flag, "off") == 0) {
/* Use the proxy if necessary. */
use_proxy = 0;
}
- if (opt & WGET_OPT_HEADER) {
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+ if (headers_llist) {
+ int size = 1;
+ char *cp;
+ llist_t *ll = headers_llist = rev_llist(headers_llist);
+ while (ll) {
+ size += strlen(ll->data) + 2;
+ ll = ll->link;
+ }
+ extra_headers = cp = xmalloc(size);
while (headers_llist) {
- int arglen = strlen(headers_llist->data);
- if (extra_headers_left - arglen - 2 <= 0)
- bb_error_msg_and_die("extra_headers buffer too small "
- "(need %i)", extra_headers_left - arglen);
- strcpy(extra_headers_ptr, headers_llist->data);
- extra_headers_ptr += arglen;
- extra_headers_left -= ( arglen + 2 );
- *extra_headers_ptr++ = '\r';
- *extra_headers_ptr++ = '\n';
- *(extra_headers_ptr + 1) = 0;
+ cp += sprintf(cp, "%s\r\n", headers_llist->data);
headers_llist = headers_llist->link;
}
}
+#endif
parse_url(argv[optind], &target);
server.host = target.host;
if (use_proxy) {
proxy = getenv(target.is_ftp ? "ftp_proxy" : "http_proxy");
if (proxy && *proxy) {
- parse_url(xstrdup(proxy), &server);
+ parse_url(proxy, &server);
} else {
use_proxy = 0;
}
opt |= WGET_OPT_QUIET;
opt &= ~WGET_OPT_CONTINUE;
} else if (opt & WGET_OPT_CONTINUE) {
- output_fd = open(fname_out, O_WRONLY|O_LARGEFILE);
+ output_fd = open(fname_out, O_WRONLY);
if (output_fd >= 0) {
- beg_range = LSEEK(output_fd, 0, SEEK_END);
- if (beg_range == (FILEOFF_TYPE)-1)
- bb_perror_msg_and_die("lseek");
+ beg_range = xlseek(output_fd, 0, SEEK_END);
}
/* File doesn't exist. We do not create file here yet.
We are not sure it exists on remove side */
#endif
if (beg_range)
- fprintf(sfp, "Range: bytes="FILEOFF_FMT"-\r\n", beg_range);
- if(extra_headers_left < sizeof(extra_headers))
- fputs(extra_headers,sfp);
- fprintf(sfp,"Connection: close\r\n\r\n");
+ fprintf(sfp, "Range: bytes=%"OFF_FMT"-\r\n", beg_range);
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+ if (extra_headers)
+ fputs(extra_headers, sfp);
+#endif
+ fprintf(sfp, "Connection: close\r\n\r\n");
/*
* Retrieve HTTP response line and check for "200" status code.
*/
-read_response:
+ read_response:
if (fgets(buf, sizeof(buf), sfp) == NULL)
bb_error_msg_and_die("no response from server");
- for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
- ;
- for ( ; isspace(*s) ; ++s)
- ;
- switch (status = atoi(s)) {
- case 0:
- case 100:
- while (gethdr(buf, sizeof(buf), sfp, &n) != NULL);
- goto read_response;
- case 200:
- break;
- case 300: /* redirection */
- case 301:
- case 302:
- case 303:
+ s = buf;
+ while (*s != '\0' && !isspace(*s)) ++s;
+ s = skip_whitespace(s);
+ // FIXME: no error check
+ // xatou wouldn't work: "200 OK"
+ status = atoi(s);
+ switch (status) {
+ case 0:
+ case 100:
+ while (gethdr(buf, sizeof(buf), sfp, &n) != NULL)
+ /* eat all remaining headers */;
+ goto read_response;
+ case 200:
+ break;
+ case 300: /* redirection */
+ case 301:
+ case 302:
+ case 303:
+ break;
+ case 206:
+ if (beg_range)
break;
- case 206:
- if (beg_range)
- break;
- /*FALLTHRU*/
- default:
- chomp(buf);
- bb_error_msg_and_die("server returned error %d: %s", atoi(s), buf);
+ /*FALLTHRU*/
+ default:
+ chomp(buf);
+ bb_error_msg_and_die("server returned error %s: %s", s, buf);
}
/*
continue;
}
if (strcasecmp(buf, "transfer-encoding") == 0) {
- if (strcasecmp(s, "chunked") == 0) {
- chunked = got_clen = 1;
- } else {
+ if (strcasecmp(s, "chunked") != 0)
bb_error_msg_and_die("server wants to do %s transfer encoding", s);
- }
+ chunked = got_clen = 1;
}
if (strcasecmp(buf, "location") == 0) {
if (s[0] == '/')
- // FIXME: this is dirty
- target.path = xstrdup(s+1);
+ /* free(target.allocated); */
+ target.path = /* target.allocated = */ xstrdup(s+1);
else {
- parse_url(xstrdup(s), &target);
+ parse_url(s, &target);
if (use_proxy == 0) {
server.host = target.host;
server.port = target.port;
} while(status >= 300);
dfp = sfp;
- }
- else
- {
+
+ } else {
+
/*
* FTP session
*/
if (s)
*(s++) = '\0';
switch (ftpcmd("USER ", target.user, sfp, buf)) {
- case 230:
+ case 230:
+ break;
+ case 331:
+ if (ftpcmd("PASS ", s, sfp, buf) == 230)
break;
- case 331:
- if (ftpcmd("PASS ", s, sfp, buf) == 230)
- break;
- /* FALLTHRU (failed login) */
- default:
- bb_error_msg_and_die("ftp login: %s", buf+4);
+ /* FALLTHRU (failed login) */
+ default:
+ bb_error_msg_and_die("ftp login: %s", buf+4);
}
ftpcmd("TYPE I", NULL, sfp, buf);
/*
* Entering passive mode
*/
- if (ftpcmd("PASV", NULL, sfp, buf) != 227)
- bb_error_msg_and_die("PASV: %s", buf+4);
+ if (ftpcmd("PASV", NULL, sfp, buf) != 227) {
+ pasv_error:
+ bb_error_msg_and_die("bad response to %s: %s", "PASV", buf);
+ }
+ // Response is "227 garbageN1,N2,N3,N4,P1,P2
+ // Server's IP is N1.N2.N3.N4 (we ignore it)
+ // Server's port for data connection is P1*256+P2
s = strrchr(buf, ',');
- *s = 0;
- port = atoi(s+1);
+ if (!s) goto pasv_error;
+ port = xatol_range(s+1, 0, 255);
+ *s = '\0';
s = strrchr(buf, ',');
- port += atoi(s+1) * 256;
+ if (!s) goto pasv_error;
+ port += xatol_range(s+1, 0, 255) * 256;
s_in.sin_port = htons(port);
dfp = open_socket(&s_in);
if (beg_range) {
- sprintf(buf, "REST "FILEOFF_FMT, beg_range);
+ sprintf(buf, "REST %"OFF_FMT, beg_range);
if (ftpcmd(buf, NULL, sfp, buf) == 350)
content_len -= beg_range;
}
if (ftpcmd("RETR ", target.path, sfp, buf) > 150)
- bb_error_msg_and_die("RETR: %s", buf+4);
+ bb_error_msg_and_die("bad response to %s: %s", "RETR", buf);
}
/* Do it before progressmeter (want to have nice error message) */
if (output_fd < 0)
output_fd = xopen3(fname_out,
- O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_LARGEFILE, 0666);
+ O_WRONLY|O_CREAT|O_EXCL|O_TRUNC, 0666);
if (!(opt & WGET_OPT_QUIET))
progressmeter(-1);
}
-static void parse_url(char *url, struct host_info *h)
+static void parse_url(char *src_url, struct host_info *h)
{
- char *p, *cp, *sp, *up, *pp;
+ char *url, *p, *cp, *sp, *up, *pp;
+
+ /* h->allocated = */ url = xstrdup(src_url);
if (strncmp(url, "http://", 7) == 0) {
h->port = bb_lookup_port("http", "tcp", 80);
// FYI:
// "Real" wget 'http://busybox.net?var=a/b' sends this request:
// 'GET /?var=a/b HTTP 1.0'
- // and saves 'index.html?var=a%2Fb'
+ // and saves 'index.html?var=a%2Fb' (we save 'b')
// wget 'http://busybox.net?login=john@doe':
// request: 'GET /?login=john@doe HTTP/1.0'
- // saves: 'index.html?login=john@doe' (we save ?login=john@doe)
+ // saves: 'index.html?login=john@doe' (we save '?login=john@doe')
// wget 'http://busybox.net#test/test':
// request: 'GET / HTTP/1.0'
// saves: 'index.html' (we save 'test')
cp = strchr(pp, ':');
if (cp != NULL) {
*cp++ = '\0';
- h->port = htons(atoi(cp));
+ h->port = htons(xatou16(cp));
}
}
{
FILE *fp;
- fp = fdopen(xconnect(s_in), "r+");
+ fp = fdopen(xconnect_tcp_v4(s_in), "r+");
if (fp == NULL)
bb_perror_msg_and_die("fdopen");
static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf)
{
+ int result;
if (s1) {
- if (!s2) s2="";
+ if (!s2) s2 = "";
fprintf(fp, "%s%s\r\n", s1, s2);
fflush(fp);
}
char *buf_ptr;
if (fgets(buf, 510, fp) == NULL) {
- bb_perror_msg_and_die("fgets");
+ bb_perror_msg_and_die("error getting response");
}
buf_ptr = strstr(buf, "\r\n");
if (buf_ptr) {
}
} while (!isdigit(buf[0]) || buf[3] != ' ');
- return atoi(buf);
+ buf[3] = '\0';
+ result = xatoi_u(buf);
+ buf[3] = ' ';
+ return result;
}
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
{
int width=0;
get_terminal_width_height(0, &width, NULL);
- return (width);
+ return width;
}
static void
progressmeter(int flag)
{
static struct timeval lastupdate;
- static FILEOFF_TYPE lastsize, totalsize;
+ static off_t lastsize, totalsize;
struct timeval now, td, tvwait;
- FILEOFF_TYPE abbrevsize;
+ off_t abbrevsize;
int elapsed, ratio, barlength, i;
char buf[256];
if (tvwait.tv_sec >= STALLTIME) {
fprintf(stderr, " - stalled -");
} else {
- FILEOFF_TYPE to_download = totalsize - beg_range;
+ off_t to_download = totalsize - beg_range;
if (transferred <= 0 || elapsed <= 0 || transferred > to_download || chunked) {
fprintf(stderr, "--:--:-- ETA");
} else {
projects / oweals / busybox.git / blobdiff