diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/wget.c | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/networking/wget.c b/networking/wget.c index d1d8523..9300fa3 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -602,87 +602,6 @@ static void reset_beg_range_to_zero(void) /* ftruncate(G.output_fd, 0); */ } -static FILE* prepare_ftp_session(FILE **dfpp, struct host_info *target, len_and_sockaddr *lsa) -{ - FILE *sfp; - char *str; - int port; - - if (!target->user) - target->user = xstrdup("anonymous:busybox@"); - - sfp = open_socket(lsa); - if (ftpcmd(NULL, NULL, sfp) != 220) - bb_error_msg_and_die("%s", sanitize_string(G.wget_buf + 4)); - - /* - * Splitting username:password pair, - * trying to log in - */ - str = strchr(target->user, ':'); - if (str) - *str++ = '\0'; - switch (ftpcmd("USER ", target->user, sfp)) { - case 230: - break; - case 331: - if (ftpcmd("PASS ", str, sfp) == 230) - break; - /* fall through (failed login) */ - default: - bb_error_msg_and_die("ftp login: %s", sanitize_string(G.wget_buf + 4)); - } - - ftpcmd("TYPE I", NULL, sfp); - - /* - * Querying file size - */ - if (ftpcmd("SIZE ", target->path, sfp) == 213) { - G.content_len = BB_STRTOOFF(G.wget_buf + 4, NULL, 10); - if (G.content_len < 0 || errno) { - bb_error_msg_and_die("SIZE value is garbage"); - } - G.got_clen = 1; - } - - /* - * Entering passive mode - */ - if (ftpcmd("PASV", NULL, sfp) != 227) { - pasv_error: - bb_error_msg_and_die("bad response to %s: %s", "PASV", sanitize_string(G.wget_buf)); - } - // Response is "227 garbageN1,N2,N3,N4,P1,P2[)garbage] - // Server's IP is N1.N2.N3.N4 (we ignore it) - // Server's port for data connection is P1*256+P2 - str = strrchr(G.wget_buf, ')'); - if (str) str[0] = '\0'; - str = strrchr(G.wget_buf, ','); - if (!str) goto pasv_error; - port = xatou_range(str+1, 0, 255); - *str = '\0'; - str = strrchr(G.wget_buf, ','); - if (!str) goto pasv_error; - port += xatou_range(str+1, 0, 255) * 256; - set_nport(&lsa->u.sa, htons(port)); - - *dfpp = open_socket(lsa); - - if (G.beg_range != 0) { - sprintf(G.wget_buf, "REST %"OFF_FMT"u", G.beg_range); - if (ftpcmd(G.wget_buf, NULL, sfp) == 350) - G.content_len -= G.beg_range; - else - reset_beg_range_to_zero(); - } - - if (ftpcmd("RETR ", target->path, sfp) > 150) - bb_error_msg_and_die("bad response to %s: %s", "RETR", sanitize_string(G.wget_buf)); - - return sfp; -} - #if ENABLE_FEATURE_WGET_OPENSSL static int spawn_https_helper_openssl(const char *host, unsigned port) { @@ -808,6 +727,87 @@ static void spawn_ssl_client(const char *host, int network_fd) } #endif +static FILE* prepare_ftp_session(FILE **dfpp, struct host_info *target, len_and_sockaddr *lsa) +{ + FILE *sfp; + char *str; + int port; + + if (!target->user) + target->user = xstrdup("anonymous:busybox@"); + + sfp = open_socket(lsa); + if (ftpcmd(NULL, NULL, sfp) != 220) + bb_error_msg_and_die("%s", sanitize_string(G.wget_buf + 4)); + + /* + * Splitting username:password pair, + * trying to log in + */ + str = strchr(target->user, ':'); + if (str) + *str++ = '\0'; + switch (ftpcmd("USER ", target->user, sfp)) { + case 230: + break; + case 331: + if (ftpcmd("PASS ", str, sfp) == 230) + break; + /* fall through (failed login) */ + default: + bb_error_msg_and_die("ftp login: %s", sanitize_string(G.wget_buf + 4)); + } + + ftpcmd("TYPE I", NULL, sfp); + + /* + * Querying file size + */ + if (ftpcmd("SIZE ", target->path, sfp) == 213) { + G.content_len = BB_STRTOOFF(G.wget_buf + 4, NULL, 10); + if (G.content_len < 0 || errno) { + bb_error_msg_and_die("SIZE value is garbage"); + } + G.got_clen = 1; + } + + /* + * Entering passive mode + */ + if (ftpcmd("PASV", NULL, sfp) != 227) { + pasv_error: + bb_error_msg_and_die("bad response to %s: %s", "PASV", sanitize_string(G.wget_buf)); + } + // Response is "227 garbageN1,N2,N3,N4,P1,P2[)garbage] + // Server's IP is N1.N2.N3.N4 (we ignore it) + // Server's port for data connection is P1*256+P2 + str = strrchr(G.wget_buf, ')'); + if (str) str[0] = '\0'; + str = strrchr(G.wget_buf, ','); + if (!str) goto pasv_error; + port = xatou_range(str+1, 0, 255); + *str = '\0'; + str = strrchr(G.wget_buf, ','); + if (!str) goto pasv_error; + port += xatou_range(str+1, 0, 255) * 256; + set_nport(&lsa->u.sa, htons(port)); + + *dfpp = open_socket(lsa); + + if (G.beg_range != 0) { + sprintf(G.wget_buf, "REST %"OFF_FMT"u", G.beg_range); + if (ftpcmd(G.wget_buf, NULL, sfp) == 350) + G.content_len -= G.beg_range; + else + reset_beg_range_to_zero(); + } + + if (ftpcmd("RETR ", target->path, sfp) > 150) + bb_error_msg_and_die("bad response to %s: %s", "RETR", sanitize_string(G.wget_buf)); + + return sfp; +} + static void NOINLINE retrieve_file_data(FILE *dfp) { #if ENABLE_FEATURE_WGET_STATUSBAR || ENABLE_FEATURE_WGET_TIMEOUT |