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wget: xatoi's were oversealous ("200 OK" isn't a number)
This commit is contained in:
Denis Vlasenko
parent
efeed5ed28
commit
023b57d935
@ -290,33 +290,36 @@ int wget_main(int argc, char **argv)
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/*
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* Retrieve HTTP response line and check for "200" status code.
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*/
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read_response:
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read_response:
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if (fgets(buf, sizeof(buf), sfp) == NULL)
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bb_error_msg_and_die("no response from server");
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s = buf;
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while (*s != '\0' && !isspace(*s)) ++s;
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while (isspace(*s)) ++s;
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switch (status = xatoi(s)) {
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case 0:
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case 100:
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while (gethdr(buf, sizeof(buf), sfp, &n) != NULL)
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/* eat all remaining headers */;
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goto read_response;
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case 200:
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// FIXME: no error check
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// xatou wouldn't work: "200 OK"
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status = atoi(s);
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switch (status) {
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case 0:
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case 100:
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while (gethdr(buf, sizeof(buf), sfp, &n) != NULL)
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/* eat all remaining headers */;
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goto read_response;
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case 200:
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break;
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case 300: /* redirection */
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case 301:
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case 302:
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case 303:
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break;
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case 206:
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if (beg_range)
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break;
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case 300: /* redirection */
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case 301:
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case 302:
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case 303:
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break;
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case 206:
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if (beg_range)
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break;
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/*FALLTHRU*/
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default:
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chomp(buf);
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bb_error_msg_and_die("server returned error %s: %s", s, buf);
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/*FALLTHRU*/
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default:
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chomp(buf);
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bb_error_msg_and_die("server returned error %s: %s", s, buf);
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}
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/*
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@ -331,11 +334,9 @@ read_response:
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continue;
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}
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if (strcasecmp(buf, "transfer-encoding") == 0) {
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if (strcasecmp(s, "chunked") == 0) {
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chunked = got_clen = 1;
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} else {
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if (strcasecmp(s, "chunked") != 0)
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bb_error_msg_and_die("server wants to do %s transfer encoding", s);
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}
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chunked = got_clen = 1;
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}
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if (strcasecmp(buf, "location") == 0) {
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if (s[0] == '/')
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@ -377,14 +378,14 @@ read_response:
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if (s)
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*(s++) = '\0';
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switch (ftpcmd("USER ", target.user, sfp, buf)) {
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case 230:
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case 230:
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break;
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case 331:
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if (ftpcmd("PASS ", s, sfp, buf) == 230)
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break;
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case 331:
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if (ftpcmd("PASS ", s, sfp, buf) == 230)
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break;
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/* FALLTHRU (failed login) */
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default:
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bb_error_msg_and_die("ftp login: %s", buf+4);
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/* FALLTHRU (failed login) */
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default:
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bb_error_msg_and_die("ftp login: %s", buf+4);
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}
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ftpcmd("TYPE I", NULL, sfp, buf);
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@ -402,12 +403,19 @@ read_response:
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/*
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* Entering passive mode
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*/
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if (ftpcmd("PASV", NULL, sfp, buf) != 227)
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bb_error_msg_and_die("PASV: %s", buf+4);
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if (ftpcmd("PASV", NULL, sfp, buf) != 227) {
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pasv_error:
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bb_error_msg_and_die("bad response to %s: %s", "PASV", buf);
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}
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// Response is "227 garbageN1,N2,N3,N4,P1,P2
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// Server's IP is N1.N2.N3.N4 (we ignore it)
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// Server's port for data connection is P1*256+P2
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s = strrchr(buf, ',');
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*s = 0;
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if (!s) goto pasv_error;
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port = xatol_range(s+1, 0, 255);
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*s = '\0';
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s = strrchr(buf, ',');
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if (!s) goto pasv_error;
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port += xatol_range(s+1, 0, 255) * 256;
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s_in.sin_port = htons(port);
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dfp = open_socket(&s_in);
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@ -419,7 +427,7 @@ read_response:
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}
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if (ftpcmd("RETR ", target.path, sfp, buf) > 150)
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bb_error_msg_and_die("RETR: %s", buf+4);
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bb_error_msg_and_die("bad response to %s: %s", "RETR", buf);
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}
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@ -510,7 +518,7 @@ static void parse_url(char *src_url, struct host_info *h)
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// and saves 'index.html?var=a%2Fb' (we save 'b')
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// wget 'http://busybox.net?login=john@doe':
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// request: 'GET /?login=john@doe HTTP/1.0'
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// saves: 'index.html?login=john@doe' (we save ?login=john@doe)
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// saves: 'index.html?login=john@doe' (we save '?login=john@doe')
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// wget 'http://busybox.net#test/test':
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// request: 'GET / HTTP/1.0'
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// saves: 'index.html' (we save 'test')
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@ -628,8 +636,9 @@ static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
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static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf)
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{
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int result;
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if (s1) {
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if (!s2) s2="";
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if (!s2) s2 = "";
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fprintf(fp, "%s%s\r\n", s1, s2);
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fflush(fp);
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}
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@ -638,7 +647,7 @@ static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf)
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char *buf_ptr;
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if (fgets(buf, 510, fp) == NULL) {
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bb_perror_msg_and_die("fgets");
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bb_perror_msg_and_die("error getting response");
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}
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buf_ptr = strstr(buf, "\r\n");
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if (buf_ptr) {
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@ -646,7 +655,10 @@ static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf)
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}
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} while (!isdigit(buf[0]) || buf[3] != ' ');
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return xatoi(buf);
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buf[3] = '\0';
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result = xatoi_u(buf);
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buf[3] = ' ';
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return result;
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}
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#ifdef CONFIG_FEATURE_WGET_STATUSBAR
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