diff options
Diffstat (limited to 'busybox/networking/wget.c')
| -rw-r--r-- | busybox/networking/wget.c | 868 |
1 files changed, 868 insertions, 0 deletions
diff --git a/busybox/networking/wget.c b/busybox/networking/wget.c new file mode 100644 index 0000000..45acef4 --- /dev/null +++ b/busybox/networking/wget.c @@ -0,0 +1,868 @@ +/* vi: set sw=4 ts=4: */ +/* + * wget - retrieve a file using HTTP or FTP + * + * Chip Rosenthal Covad Communications <chip@laserlink.net> + * + */ + +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> +#include <ctype.h> +#include <string.h> +#include <unistd.h> +#include <signal.h> +#include <sys/ioctl.h> + +#include <sys/time.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include <getopt.h> + +#include "busybox.h" + +struct host_info { + char *host; + int port; + char *path; + int is_ftp; + char *user; +}; + +static void parse_url(char *url, struct host_info *h); +static FILE *open_socket(struct sockaddr_in *s_in); +static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc); +static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf); + +/* Globals (can be accessed from signal handlers */ +static off_t filesize = 0; /* content-length of the file */ +static int chunked = 0; /* chunked transfer encoding */ +#ifdef CONFIG_FEATURE_WGET_STATUSBAR +static void progressmeter(int flag); +static char *curfile; /* Name of current file being transferred. */ +static struct timeval start; /* Time a transfer started. */ +static volatile unsigned long statbytes = 0; /* Number of bytes transferred so far. */ +/* For progressmeter() -- number of seconds before xfer considered "stalled" */ +static const int STALLTIME = 5; +#endif + +static void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue) +{ + if (output != stdout && do_continue==0) { + fclose(output); + unlink(fname_out); + } +} + +/* Read NMEMB elements of SIZE bytes into PTR from STREAM. Returns the + * number of elements read, and a short count if an eof or non-interrupt + * error is encountered. */ +static size_t safe_fread(void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = 0; + + do { + clearerr(stream); + ret += fread((char *)ptr + (ret * size), size, nmemb - ret, stream); + } while (ret < nmemb && ferror(stream) && errno == EINTR); + + return ret; +} + +/* Write NMEMB elements of SIZE bytes from PTR to STREAM. Returns the + * number of elements written, and a short count if an eof or non-interrupt + * error is encountered. */ +static size_t safe_fwrite(void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = 0; + + do { + clearerr(stream); + ret += fwrite((char *)ptr + (ret * size), size, nmemb - ret, stream); + } while (ret < nmemb && ferror(stream) && errno == EINTR); + + return ret; +} + +/* Read a line or SIZE - 1 bytes into S, whichever is less, from STREAM. + * Returns S, or NULL if an eof or non-interrupt error is encountered. */ +static char *safe_fgets(char *s, int size, FILE *stream) +{ + char *ret; + + do { + clearerr(stream); + ret = fgets(s, size, stream); + } while (ret == NULL && ferror(stream) && errno == EINTR); + + return ret; +} + +#define close_delete_and_die(s...) { \ + close_and_delete_outfile(output, fname_out, do_continue); \ + bb_error_msg_and_die(s); } + + +#ifdef CONFIG_FEATURE_WGET_AUTHENTICATION +/* + * Base64-encode character string + * oops... isn't something similar in uuencode.c? + * It would be better to use already existing code + */ +char *base64enc(unsigned char *p, char *buf, int len) { + + char al[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789+/"; + char *s = buf; + + while(*p) { + if (s >= buf+len-4) + bb_error_msg_and_die("buffer overflow"); + *(s++) = al[(*p >> 2) & 0x3F]; + *(s++) = al[((*p << 4) & 0x30) | ((*(p+1) >> 4) & 0x0F)]; + *s = *(s+1) = '='; + *(s+2) = 0; + if (! *(++p)) break; + *(s++) = al[((*p << 2) & 0x3C) | ((*(p+1) >> 6) & 0x03)]; + if (! *(++p)) break; + *(s++) = al[*(p++) & 0x3F]; + } + + return buf; +} +#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 + +static const struct option wget_long_options[] = { + { "continue", 0, NULL, 'c' }, + { "quiet", 0, NULL, 'q' }, + { "passive-ftp", 0, NULL, 139 }, + { "output-document", 1, NULL, 'O' }, + { "header", 1, NULL, 131 }, + { "directory-prefix",1, NULL, 'P' }, + { "proxy", 1, NULL, 'Y' }, + { 0, 0, 0, 0 } +}; + +int wget_main(int argc, char **argv) +{ + int n, try=5, status; + unsigned long opt; + int port; + char *proxy = 0; + char *dir_prefix=NULL; + char *s, buf[512]; + struct stat sbuf; + char extra_headers[1024]; + char *extra_headers_ptr = extra_headers; + int extra_headers_left = sizeof(extra_headers); + struct host_info server, target; + struct sockaddr_in s_in; + llist_t *headers_llist = NULL; + + FILE *sfp = NULL; /* socket to web/ftp server */ + FILE *dfp = NULL; /* socket to ftp server (data) */ + char *fname_out = NULL; /* where to direct output (-O) */ + int do_continue = 0; /* continue a prev transfer (-c) */ + long beg_range = 0L; /* range at which continue begins */ + int got_clen = 0; /* got content-length: from server */ + FILE *output; /* socket to web server */ + int quiet_flag = FALSE; /* Be verry, verry quiet... */ + int use_proxy = 1; /* Use proxies if env vars are set */ + char *proxy_flag = "on"; /* Use proxies if env vars are set */ + + /* + * Crack command line. + */ + bb_opt_complementaly = "\203*"; + bb_applet_long_options = wget_long_options; + opt = bb_getopt_ulflags(argc, argv, "cq\213O:\203:P:Y:", &fname_out, &headers_llist, &dir_prefix, &proxy_flag); + if (opt & WGET_OPT_CONTINUE) { + ++do_continue; + } + if (opt & WGET_OPT_QUIET) { + quiet_flag = TRUE; + } + if (strcmp(proxy_flag, "off") == 0) { + /* Use the proxy if necessary. */ + use_proxy = 0; + } + if (opt & WGET_OPT_HEADER) { + 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; + headers_llist = headers_llist->link; + } + } + if (argc - optind != 1) + bb_show_usage(); + + parse_url(argv[optind], &target); + server.host = target.host; + server.port = target.port; + + /* + * Use the proxy if necessary. + */ + if (use_proxy) { + proxy = getenv(target.is_ftp ? "ftp_proxy" : "http_proxy"); + if (proxy && *proxy) { + parse_url(bb_xstrdup(proxy), &server); + } else { + use_proxy = 0; + } + } + + /* Guess an output filename */ + if (!fname_out) { + // Dirty hack. Needed because bb_get_last_path_component + // will destroy trailing / by storing '\0' in last byte! + if(target.path[strlen(target.path)-1]!='/') { + fname_out = +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + curfile = +#endif + bb_get_last_path_component(target.path); + } + if (fname_out==NULL || strlen(fname_out)<1) { + fname_out = +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + curfile = +#endif + "index.html"; + } + if (dir_prefix != NULL) + fname_out = concat_path_file(dir_prefix, fname_out); +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + } else { + curfile = bb_get_last_path_component(fname_out); +#endif + } + if (do_continue && !fname_out) + bb_error_msg_and_die("cannot specify continue (-c) without a filename (-O)"); + + + /* + * Open the output file stream. + */ + if (strcmp(fname_out, "-") == 0) { + output = stdout; + quiet_flag = TRUE; + } else { + output = bb_xfopen(fname_out, (do_continue ? "a" : "w")); + } + + /* + * Determine where to start transfer. + */ + if (do_continue) { + if (fstat(fileno(output), &sbuf) < 0) + bb_perror_msg_and_die("fstat()"); + if (sbuf.st_size > 0) + beg_range = sbuf.st_size; + else + do_continue = 0; + } + + /* We want to do exactly _one_ DNS lookup, since some + * sites (i.e. ftp.us.debian.org) use round-robin DNS + * and we want to connect to only one IP... */ + bb_lookup_host(&s_in, server.host); + s_in.sin_port = server.port; + if (quiet_flag==FALSE) { + fprintf(stdout, "Connecting to %s[%s]:%d\n", + server.host, inet_ntoa(s_in.sin_addr), ntohs(server.port)); + } + + if (use_proxy || !target.is_ftp) { + /* + * HTTP session + */ + do { + got_clen = chunked = 0; + + if (! --try) + close_delete_and_die("too many redirections"); + + /* + * Open socket to http server + */ + if (sfp) fclose(sfp); + sfp = open_socket(&s_in); + + /* + * Send HTTP request. + */ + if (use_proxy) { + const char *format = "GET %stp://%s:%d/%s HTTP/1.1\r\n"; +#ifdef CONFIG_FEATURE_WGET_IP6_LITERAL + if (strchr (target.host, ':')) + format = "GET %stp://[%s]:%d/%s HTTP/1.1\r\n"; +#endif + fprintf(sfp, format, + target.is_ftp ? "f" : "ht", target.host, + ntohs(target.port), target.path); + } else { + fprintf(sfp, "GET /%s HTTP/1.1\r\n", target.path); + } + + fprintf(sfp, "Host: %s\r\nUser-Agent: Wget\r\n", target.host); + +#ifdef CONFIG_FEATURE_WGET_AUTHENTICATION + if (target.user) { + fprintf(sfp, "Authorization: Basic %s\r\n", + base64enc(target.user, buf, sizeof(buf))); + } + if (use_proxy && server.user) { + fprintf(sfp, "Proxy-Authorization: Basic %s\r\n", + base64enc(server.user, buf, sizeof(buf))); + } +#endif + + if (do_continue) + fprintf(sfp, "Range: bytes=%ld-\r\n", beg_range); + if(extra_headers_left < sizeof(extra_headers)) + fputs(extra_headers,sfp); + fprintf(sfp,"Connection: close\r\n\r\n"); + + /* + * Retrieve HTTP response line and check for "200" status code. + */ +read_response: + if (fgets(buf, sizeof(buf), sfp) == NULL) + close_delete_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: + if (do_continue && output != stdout) + output = freopen(fname_out, "w", output); + do_continue = 0; + break; + case 300: /* redirection */ + case 301: + case 302: + case 303: + break; + case 206: + if (do_continue) + break; + /*FALLTHRU*/ + default: + chomp(buf); + close_delete_and_die("server returned error %d: %s", atoi(s), buf); + } + + /* + * Retrieve HTTP headers. + */ + while ((s = gethdr(buf, sizeof(buf), sfp, &n)) != NULL) { + if (strcasecmp(buf, "content-length") == 0) { + unsigned long value; + if (safe_strtoul(s, &value)) { + close_delete_and_die("content-length %s is garbage", s); + } + filesize = value; + got_clen = 1; + continue; + } + if (strcasecmp(buf, "transfer-encoding") == 0) { + if (strcasecmp(s, "chunked") == 0) { + chunked = got_clen = 1; + } else { + close_delete_and_die("server wants to do %s transfer encoding", s); + } + } + if (strcasecmp(buf, "location") == 0) { + if (s[0] == '/') + target.path = bb_xstrdup(s+1); + else { + parse_url(bb_xstrdup(s), &target); + if (use_proxy == 0) { + server.host = target.host; + server.port = target.port; + } + bb_lookup_host(&s_in, server.host); + s_in.sin_port = server.port; + break; + } + } + } + } while(status >= 300); + + dfp = sfp; + } + else + { + /* + * FTP session + */ + if (! target.user) + target.user = bb_xstrdup("anonymous:busybox@"); + + sfp = open_socket(&s_in); + if (ftpcmd(NULL, NULL, sfp, buf) != 220) + close_delete_and_die("%s", buf+4); + + /* + * Splitting username:password pair, + * trying to log in + */ + s = strchr(target.user, ':'); + if (s) + *(s++) = '\0'; + switch(ftpcmd("USER ", target.user, sfp, buf)) { + case 230: + break; + case 331: + if (ftpcmd("PASS ", s, sfp, buf) == 230) + break; + /* FALLTHRU (failed login) */ + default: + close_delete_and_die("ftp login: %s", buf+4); + } + + ftpcmd("CDUP", NULL, sfp, buf); + ftpcmd("TYPE I", NULL, sfp, buf); + + /* + * Querying file size + */ + if (ftpcmd("SIZE /", target.path, sfp, buf) == 213) { + unsigned long value; + if (safe_strtoul(buf+4, &value)) { + close_delete_and_die("SIZE value is garbage"); + } + filesize = value; + got_clen = 1; + } + + /* + * Entering passive mode + */ + if (ftpcmd("PASV", NULL, sfp, buf) != 227) + close_delete_and_die("PASV: %s", buf+4); + s = strrchr(buf, ','); + *s = 0; + port = atoi(s+1); + s = strrchr(buf, ','); + port += atoi(s+1) * 256; + s_in.sin_port = htons(port); + dfp = open_socket(&s_in); + + if (do_continue) { + sprintf(buf, "REST %ld", beg_range); + if (ftpcmd(buf, NULL, sfp, buf) != 350) { + if (output != stdout) + output = freopen(fname_out, "w", output); + do_continue = 0; + } else + filesize -= beg_range; + } + + if (ftpcmd("RETR /", target.path, sfp, buf) > 150) + close_delete_and_die("RETR: %s", buf+4); + + } + + + /* + * Retrieve file + */ + if (chunked) { + fgets(buf, sizeof(buf), dfp); + filesize = strtol(buf, (char **) NULL, 16); + } +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + if (quiet_flag==FALSE) + progressmeter(-1); +#endif + do { + while ((filesize > 0 || !got_clen) && (n = safe_fread(buf, 1, ((chunked || got_clen) && (filesize < sizeof(buf)) ? filesize : sizeof(buf)), dfp)) > 0) { + if (safe_fwrite(buf, 1, n, output) != n) { + bb_perror_msg_and_die("write error"); + } +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + statbytes+=n; +#endif + if (got_clen) { + filesize -= n; + } + } + + if (chunked) { + safe_fgets(buf, sizeof(buf), dfp); /* This is a newline */ + safe_fgets(buf, sizeof(buf), dfp); + filesize = strtol(buf, (char **) NULL, 16); + if (filesize==0) { + chunked = 0; /* all done! */ + } + } + + if (n == 0 && ferror(dfp)) { + bb_perror_msg_and_die("network read error"); + } + } while (chunked); +#ifdef CONFIG_FEATURE_WGET_STATUSBAR + if (quiet_flag==FALSE) + progressmeter(1); +#endif + if ((use_proxy == 0) && target.is_ftp) { + fclose(dfp); + if (ftpcmd(NULL, NULL, sfp, buf) != 226) + bb_error_msg_and_die("ftp error: %s", buf+4); + ftpcmd("QUIT", NULL, sfp, buf); + } + exit(EXIT_SUCCESS); +} + + +void parse_url(char *url, struct host_info *h) +{ + char *cp, *sp, *up, *pp; + + if (strncmp(url, "http://", 7) == 0) { + h->port = bb_lookup_port("http", "tcp", 80); + h->host = url + 7; + h->is_ftp = 0; + } else if (strncmp(url, "ftp://", 6) == 0) { + h->port = bb_lookup_port("ftp", "tfp", 21); + h->host = url + 6; + h->is_ftp = 1; + } else + bb_error_msg_and_die("not an http or ftp url: %s", url); + + sp = strchr(h->host, '/'); + if (sp) { + *sp++ = '\0'; + h->path = sp; + } else + h->path = bb_xstrdup(""); + + up = strrchr(h->host, '@'); + if (up != NULL) { + h->user = h->host; + *up++ = '\0'; + h->host = up; + } else + h->user = NULL; + + pp = h->host; + +#ifdef CONFIG_FEATURE_WGET_IP6_LITERAL + if (h->host[0] == '[') { + char *ep; + + ep = h->host + 1; + while (*ep == ':' || isxdigit (*ep)) + ep++; + if (*ep == ']') { + h->host++; + *ep = '\0'; + pp = ep + 1; + } + } +#endif + + cp = strchr(pp, ':'); + if (cp != NULL) { + *cp++ = '\0'; + h->port = htons(atoi(cp)); + } +} + + +FILE *open_socket(struct sockaddr_in *s_in) +{ + FILE *fp; + + fp = fdopen(xconnect(s_in), "r+"); + if (fp == NULL) + bb_perror_msg_and_die("fdopen()"); + + return fp; +} + + +char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc) +{ + char *s, *hdrval; + int c; + + *istrunc = 0; + + /* retrieve header line */ + if (fgets(buf, bufsiz, fp) == NULL) + return NULL; + + /* see if we are at the end of the headers */ + for (s = buf ; *s == '\r' ; ++s) + ; + if (s[0] == '\n') + return NULL; + + /* convert the header name to lower case */ + for (s = buf ; isalnum(*s) || *s == '-' ; ++s) + *s = tolower(*s); + + /* verify we are at the end of the header name */ + if (*s != ':') + bb_error_msg_and_die("bad header line: %s", buf); + + /* locate the start of the header value */ + for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s) + ; + hdrval = s; + + /* locate the end of header */ + while (*s != '\0' && *s != '\r' && *s != '\n') + ++s; + + /* end of header found */ + if (*s != '\0') { + *s = '\0'; + return hdrval; + } + + /* Rats! The buffer isn't big enough to hold the entire header value. */ + while (c = getc(fp), c != EOF && c != '\n') + ; + *istrunc = 1; + return hdrval; +} + +static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf) +{ + if (s1) { + if (!s2) s2=""; + fprintf(fp, "%s%s\r\n", s1, s2); + fflush(fp); + } + + do { + char *buf_ptr; + + if (fgets(buf, 510, fp) == NULL) { + bb_perror_msg_and_die("fgets()"); + } + buf_ptr = strstr(buf, "\r\n"); + if (buf_ptr) { + *buf_ptr = '\0'; + } + } while (! isdigit(buf[0]) || buf[3] != ' '); + + return atoi(buf); +} + +#ifdef CONFIG_FEATURE_WGET_STATUSBAR +/* Stuff below is from BSD rcp util.c, as added to openshh. + * Original copyright notice is retained at the end of this file. + * + */ + + +static int +getttywidth(void) +{ + int width=0; + get_terminal_width_height(0, &width, NULL); + return (width); +} + +static void +updateprogressmeter(int ignore) +{ + int save_errno = errno; + + progressmeter(0); + errno = save_errno; +} + +static void +alarmtimer(int wait) +{ + struct itimerval itv; + + itv.it_value.tv_sec = wait; + itv.it_value.tv_usec = 0; + itv.it_interval = itv.it_value; + setitimer(ITIMER_REAL, &itv, NULL); +} + + +static void +progressmeter(int flag) +{ + static const char prefixes[] = " KMGTP"; + static struct timeval lastupdate; + static off_t lastsize, totalsize; + struct timeval now, td, wait; + off_t cursize, abbrevsize; + double elapsed; + int ratio, barlength, i, remaining; + char buf[256]; + + if (flag == -1) { + (void) gettimeofday(&start, (struct timezone *) 0); + lastupdate = start; + lastsize = 0; + totalsize = filesize; /* as filesize changes.. */ + } + + (void) gettimeofday(&now, (struct timezone *) 0); + cursize = statbytes; + if (totalsize != 0 && !chunked) { + ratio = 100.0 * cursize / totalsize; + ratio = MAX(ratio, 0); + ratio = MIN(ratio, 100); + } else + ratio = 100; + + snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio); + + barlength = getttywidth() - 51; + if (barlength > 0) { + i = barlength * ratio / 100; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "|%.*s%*s|", i, + "*****************************************************************************" + "*****************************************************************************", + barlength - i, ""); + } + i = 0; + abbrevsize = cursize; + while (abbrevsize >= 100000 && i < sizeof(prefixes)) { + i++; + abbrevsize >>= 10; + } + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5d %c%c ", + (int) abbrevsize, prefixes[i], prefixes[i] == ' ' ? ' ' : + 'B'); + + timersub(&now, &lastupdate, &wait); + if (cursize > lastsize) { + lastupdate = now; + lastsize = cursize; + if (wait.tv_sec >= STALLTIME) { + start.tv_sec += wait.tv_sec; + start.tv_usec += wait.tv_usec; + } + wait.tv_sec = 0; + } + timersub(&now, &start, &td); + elapsed = td.tv_sec + (td.tv_usec / 1000000.0); + + if (wait.tv_sec >= STALLTIME) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " - stalled -"); + } else if (statbytes <= 0 || elapsed <= 0.0 || cursize > totalsize || chunked) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " --:-- ETA"); + } else { + remaining = (int) (totalsize / (statbytes / elapsed) - elapsed); + i = remaining / 3600; + if (i) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%2d:", i); + else + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " "); + i = remaining % 3600; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%02d:%02d ETA", i / 60, i % 60); + } + write(STDERR_FILENO, buf, strlen(buf)); + + if (flag == -1) { + struct sigaction sa; + sa.sa_handler = updateprogressmeter; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sigaction(SIGALRM, &sa, NULL); + alarmtimer(1); + } else if (flag == 1) { + alarmtimer(0); + statbytes = 0; + putc('\n', stderr); + } +} +#endif + +/* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff, + * much of which was blatantly stolen from openssh. */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change + * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> + * + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS OR 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. + * + * $Id: wget.c,v 1.75 2004/10/08 08:27:40 andersen Exp $ + */ + + + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |