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-rw-r--r--mdk-stage1/tools.c17
-rw-r--r--mdk-stage1/tools.h1
-rw-r--r--mdk-stage1/url.c14
3 files changed, 21 insertions, 11 deletions
diff --git a/mdk-stage1/tools.c b/mdk-stage1/tools.c
index 5b2128fe9..7724c6e72 100644
--- a/mdk-stage1/tools.c
+++ b/mdk-stage1/tools.c
@@ -476,6 +476,23 @@ int kernel_version(void)
return charstar_to_int(val.release + 2);
}
+char * asprintf_(const char *msg, ...)
+{
+ int n;
+ char * s;
+ va_list arg_ptr;
+ va_start(arg_ptr, msg);
+ n = vsnprintf(0, 1000000, msg, arg_ptr);
+ va_start(arg_ptr, msg);
+ if ((s = malloc(n + 1))) {
+ vsnprintf(s, n + 1, msg, arg_ptr);
+ va_end(arg_ptr);
+ return s;
+ }
+ va_end(arg_ptr);
+ return strdup("");
+}
+
int scall_(int retval, char * msg, char * file, int line)
{
char tmp[5000];
diff --git a/mdk-stage1/tools.h b/mdk-stage1/tools.h
index d8892a1ed..be3883eb5 100644
--- a/mdk-stage1/tools.h
+++ b/mdk-stage1/tools.h
@@ -43,6 +43,7 @@ char ** grab_env(void);
char ** list_directory(char * direct);
int string_array_length(char ** a);
int kernel_version(void);
+char * asprintf_(const char *msg, ...);
int scall_(int retval, char * msg, char * file, int line);
#define scall(retval, msg) scall_(retval, msg, __FILE__, __LINE__)
diff --git a/mdk-stage1/url.c b/mdk-stage1/url.c
index 4d8a3f5c9..d3b03f942 100644
--- a/mdk-stage1/url.c
+++ b/mdk-stage1/url.c
@@ -171,7 +171,6 @@ int ftp_open_connection(char * host, char * name, char * password, char * proxy)
int sock;
struct in_addr serverAddress;
struct sockaddr_in destPort;
- char * buf;
int rc;
int port = 21;
@@ -181,9 +180,7 @@ int ftp_open_connection(char * host, char * name, char * password, char * proxy)
}
if (strcmp(proxy, "")) {
- buf = alloca(strlen(name) + strlen(host) + 5);
- sprintf(buf, "%s@%s", name, host);
- name = buf;
+ name = asprintf_("%s@%s", name, host);
host = proxy;
}
@@ -437,13 +434,8 @@ int http_download_file(char * hostname, char * remotename, int * size, char * pr
return FTPERR_FAILED_CONNECT;
}
- if (proxyprotocol) {
- buf = alloca(4 + strlen(proxyprotocol) + 3 + strlen(hostname) + strlen(remotename) + 11 + 6 + strlen(hostname) + 4 + 1);
- sprintf(buf, "GET %s://%s%s HTTP/0.9\r\nHost: %s\r\n\r\n", proxyprotocol, hostname, remotename, hostname);
- } else {
- buf = alloca(4 + strlen(remotename) + 11 + 6 + strlen(hostname) + 4 + 1);
- sprintf(buf, "GET %s HTTP/0.9\r\nHost: %s\r\n\r\n", remotename, hostname);
- }
+ buf = proxyprotocol ? asprintf_("GET %s://%s%s HTTP/0.9\r\nHost: %s\r\n\r\n", proxyprotocol, hostname, remotename, hostname)
+ : asprintf_("GET %s HTTP/0.9\r\nHost: %s\r\n\r\n", remotename, hostname);
write(sock, buf, strlen(buf));