diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/wget.c | 66 |
1 files changed, 61 insertions, 5 deletions
diff --git a/networking/wget.c b/networking/wget.c index 6527538..4875904 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -387,6 +387,43 @@ static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*, int *istrunc*/) return hdrval; } +#if ENABLE_FEATURE_WGET_LONG_OPTIONS +static char *URL_escape(const char *str) +{ + /* URL encode, see RFC 2396 */ + char *dst; + char *res = dst = xmalloc(strlen(str) * 3 + 1); + unsigned char c; + + while (1) { + c = *str++; + if (c == '\0' + /* || strchr("!&'()*-.=_~", c) - more code */ + || c == '!' + || c == '&' + || c == '\'' + || c == '(' + || c == ')' + || c == '*' + || c == '-' + || c == '.' + || c == '=' + || c == '_' + || c == '~' + || (c >= '0' && c <= '9') + || ((c|0x20) >= 'a' && (c|0x20) <= 'z') + ) { + *dst++ = c; + if (c == '\0') + return res; + } else { + *dst++ = '%'; + *dst++ = bb_hexdigits_upcase[c >> 4]; + *dst++ = bb_hexdigits_upcase[c & 0xf]; + } + } +} +#endif int wget_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int wget_main(int argc UNUSED_PARAM, char **argv) @@ -402,6 +439,7 @@ int wget_main(int argc UNUSED_PARAM, char **argv) char *proxy = 0; char *dir_prefix = NULL; #if ENABLE_FEATURE_WGET_LONG_OPTIONS + char *post_data; char *extra_headers = NULL; llist_t *headers_llist = NULL; #endif @@ -430,7 +468,8 @@ int wget_main(int argc UNUSED_PARAM, char **argv) WGET_OPT_RETRIES = (1 << 7), WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 8), WGET_OPT_PASSIVE = (1 << 9), - WGET_OPT_HEADER = (1 << 10), + WGET_OPT_HEADER = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS, + WGET_OPT_POST_DATA = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS, }; #if ENABLE_FEATURE_WGET_LONG_OPTIONS static const char wget_longopts[] ALIGN1 = @@ -448,6 +487,7 @@ int wget_main(int argc UNUSED_PARAM, char **argv) /* Ignored (we always use PASV): */ "passive-ftp\0" No_argument "\xff" "header\0" Required_argument "\xfe" + "post-data\0" Required_argument "\xfd" ; #endif @@ -464,6 +504,7 @@ int wget_main(int argc UNUSED_PARAM, char **argv) NULL, /* -t RETRIES */ NULL /* -T NETWORK_READ_TIMEOUT */ USE_FEATURE_WGET_LONG_OPTIONS(, &headers_llist) + USE_FEATURE_WGET_LONG_OPTIONS(, &post_data) ); if (strcmp(proxy_flag, "off") == 0) { /* Use the proxy if necessary */ @@ -564,7 +605,10 @@ int wget_main(int argc UNUSED_PARAM, char **argv) target.is_ftp ? "f" : "ht", target.host, target.path); } else { - fprintf(sfp, "GET /%s HTTP/1.1\r\n", target.path); + if (opt & WGET_OPT_POST_DATA) + fprintf(sfp, "POST /%s HTTP/1.1\r\n", target.path); + else + fprintf(sfp, "GET /%s HTTP/1.1\r\n", target.path); } fprintf(sfp, "Host: %s\r\nUser-Agent: %s\r\n", @@ -586,12 +630,24 @@ int wget_main(int argc UNUSED_PARAM, char **argv) #if ENABLE_FEATURE_WGET_LONG_OPTIONS if (extra_headers) fputs(extra_headers, sfp); + + if (opt & WGET_OPT_POST_DATA) { + char *estr = URL_escape(post_data); + fprintf(sfp, "Content-Type: application/x-www-form-urlencoded\r\n"); + fprintf(sfp, "Content-Length: %u\r\n" "\r\n" "%s", + (int) strlen(estr), estr); + /*fprintf(sfp, "Connection: Keep-Alive\r\n\r\n");*/ + /*fprintf(sfp, "%s\r\n", estr);*/ + free(estr); + } else #endif - fprintf(sfp, "Connection: close\r\n\r\n"); + { /* If "Connection:" is needed, document why */ + fprintf(sfp, /* "Connection: close\r\n" */ "\r\n"); + } /* - * Retrieve HTTP response line and check for "200" status code. - */ + * Retrieve HTTP response line and check for "200" status code. + */ read_response: if (fgets(buf, sizeof(buf), sfp) == NULL) bb_error_msg_and_die("no response from server"); |