New codename for 0.4.

[paraslash.git] / send_common.c

diff --git a/send_common.c b/send_common.c
index d1dcaeb199e4b8f55b5871bfc89664acdc4d56d3..a1757a51e0779416e7cdb947fff5fe4a94436f27 100644 (file)
--- a/send_common.c
+++ b/send_common.c
@@ -7,6 +7,7 @@
 /** \file send_common.c Functions used by more than one paraslash sender. */
 
 #include <dirent.h>
+#include <osl.h>
 #include "para.h"
 #include "error.h"
 #include "string.h"
@@ -214,7 +215,7 @@ void init_sender_status(struct sender_status *ss, char **access_arg,
  *
  * \return The string printed in the "si" command.
  */
-char *get_sender_info(struct sender_status *ss, char *name)
+char *get_sender_info(struct sender_status *ss, const char *name)
 {
        char *clnts = NULL, *ret;
        struct sender_client *sc, *tmp_sc;
@@ -259,7 +260,7 @@ char *get_sender_info(struct sender_status *ss, char *name)
 void generic_com_allow(struct sender_command_data *scd,
                struct sender_status *ss)
 {
-       acl_allow(scd->addr, scd->netmask, &ss->acl, ss->default_deny);
+       acl_allow(scd->host, scd->netmask, &ss->acl, ss->default_deny);
 }
 
 /**
@@ -273,7 +274,7 @@ void generic_com_allow(struct sender_command_data *scd,
 void generic_com_deny(struct sender_command_data *scd,
                struct sender_status *ss)
 {
-       acl_deny(scd->addr, scd->netmask, &ss->acl, ss->default_deny);
+       acl_deny(scd->host, scd->netmask, &ss->acl, ss->default_deny);
 }
 
 /**
@@ -389,7 +390,96 @@ char *generic_sender_help(void)
 {
        return make_message(
                "usage: {on|off}\n"
-               "usage: {allow|deny} IP mask\n"
-               "example: allow 127.0.0.1 32\n"
+               "usage: {allow|deny} IP[/netmask]\n"
+               "       where mask defaults to 32\n"
+               "example: allow 192.168.0.1/24\n"
        );
 }
+
+static int parse_fec_parms(const char *arg, struct sender_command_data *scd)
+{
+       int32_t val;
+       char *a = para_strdup(arg), *b = a, *e = strchr(b, ':');
+       int ret = -E_COMMAND_SYNTAX;
+
+       /* parse max slice bytes */
+       if (!e)
+               goto out;
+       *e = '\0';
+       ret = para_atoi32(b, &val);
+       if (ret < 0)
+               goto out;
+       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+       if (val < 0 || val > 65535)
+               goto out;
+       scd->max_slice_bytes = val;
+       /* parse data_slices_per_group */
+       b = e + 1;
+       e = strchr(b, ':');
+       ret = -E_COMMAND_SYNTAX;
+       if (!e)
+               goto out;
+       *e = '\0';
+       ret = para_atoi32(b, &val);
+       if (ret < 0)
+               goto out;
+       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+       if (val < 0 || val > 255)
+               goto out;
+       scd->data_slices_per_group = val;
+       /* parse slices_per_group */
+       b = e + 1;
+       ret = para_atoi32(b, &val);
+       if (ret < 0)
+               goto out;
+       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+       if (val < 0 || val < scd->data_slices_per_group)
+               goto out;
+       scd->slices_per_group = val;
+       ret = 0;
+out:
+       free(a);
+       return ret;
+}
+
+/**
+ * Parse a FEC URL string.
+ *
+ * \param arg the URL string to parse.
+ * \param scd The structure containing host, port and the FEC parameters.
+ *
+ * \return Standard.
+ *
+ * A FEC URL consists of an ordinary URL string according to RFC 3986,
+ * optionally followed by a slash and the three FEC parameters slice_size,
+ * data_slices_per_group and slices_per_group. The three FEC parameters are
+ * separated by colons.
+ *
+ * \sa \ref parse_url().
+ */
+int parse_fec_url(const char *arg, struct sender_command_data *scd)
+{
+       int ret;
+       ssize_t len = sizeof(scd->host);
+       char *a = para_strdup(arg), *p = strchr(a, '/');
+
+       if (p) {
+               *p = '\0';
+               len = strlen(a);
+       }
+       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+       if (!parse_url(a, scd->host, len, &scd->port))
+               goto out;
+       if (p) {
+               ret = parse_fec_parms(p + 1, scd);
+               goto out;
+       }
+       /* use default fec parameters. */
+       scd->max_slice_bytes = 1490;
+       scd->slices_per_group = 16;
+       scd->data_slices_per_group = 14;
+       ret = 0;
+out:
+       free(a);
+       return ret;
+}