diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/wget.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/networking/wget.c b/networking/wget.c index 3f36e48..788c291 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -30,6 +30,8 @@ #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; @@ -136,14 +138,16 @@ int wget_main(int argc, char **argv) struct sockaddr_in s_in; llist_t *headers_llist = NULL; + /* server.allocated = target.allocated = 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 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. @@ -185,7 +189,7 @@ int wget_main(int argc, char **argv) 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; } @@ -306,14 +310,14 @@ 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) - ; + s = buf; + while (*s != '\0' && !isspace(*s)) ++s; + while (isspace(*s)) ++s; switch (status = atoi(s)) { case 0: case 100: - while (gethdr(buf, sizeof(buf), sfp, &n) != NULL); + while (gethdr(buf, sizeof(buf), sfp, &n) != NULL) + /* eat all remaining headers */; goto read_response; case 200: break; @@ -328,7 +332,7 @@ read_response: /*FALLTHRU*/ default: chomp(buf); - bb_error_msg_and_die("server returned error %d: %s", atoi(s), buf); + bb_error_msg_and_die("server returned error %s: %s", s, buf); } /* @@ -351,10 +355,10 @@ read_response: } 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; @@ -368,9 +372,9 @@ read_response: } while(status >= 300); dfp = sfp; - } - else - { + + } else { + /* * FTP session */ @@ -499,9 +503,11 @@ read_response: } -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); @@ -517,7 +523,7 @@ static void parse_url(char *url, struct host_info *h) // 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) |