| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc | 103 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/wl_proto.hh | 10 |
2 files changed, 105 insertions, 8 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc index 0d0f075..dcdc16b 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc @@ -1,124 +1,215 @@ /* * Communication protocol * * $Id$ */ #include "wl_types.hh" #include "wl_proto.hh" #include "wl_log.hh" #include "wl_sock.hh" /* Adds a field to the buffer */ -int add_field(char *buffer, const char *string, int len) +unsigned int add_field(char *buffer, const char *string, int len) { char newlen[5]; /* 3 Byte = Length */ memset(newlen, 0, sizeof(newlen)); snprintf(newlen, sizeof(newlen) - 1, "%.3d", len); memcpy(buffer, newlen, 3); /* Length bytes = Value */ memcpy(buffer + 3, string, atoi(newlen)); /* Return length of attached field */ return (atoi(newlen) + 3); } -int get_field(const char *buffer, char *out, int maxlen) +unsigned int get_field(const char *buffer, char *out, int maxlen) { char len[5]; /* Get length of value */ memset(len, 0, sizeof(len)); memcpy(len, buffer, 3); /* Copy buffer to out pointer */ memset(out, 0, maxlen); if(atoi(len) > maxlen -1) memcpy(out, buffer + 3, maxlen - 1); else memcpy(out, buffer + 3, atoi(len)); /* Return length of whole field (including 3 byte length) */ return (atoi(len) + 3); } +/* Send ok message */ +int send_ok(const char *guihost, int guiport, int code) +{ + unsigned int len = 0; + char buffer[128], temp[5]; + + memset(buffer, 0, sizeof(buffer)); + + memset(temp, 0, sizeof(temp)); + snprintf(temp, sizeof(temp) - 1, "%.2d", CMD_OK); + memcpy(buffer, temp, 2); + len += 2; + + memset(temp, 0, sizeof(temp)); + snprintf(temp, sizeof(temp) - 1, "%.2d", code); + len += add_field(buffer + len, temp, 2); + + /* Send prepared buffer to UI */ +#ifdef DEBUG + wl_loginfo("Sent ok to UI: '%s'", buffer); +#endif + + return ((!wl_send(guihost, guiport, buffer)) ? 0 : 1); +} + +/* Send fail message */ +int send_fail(const char *guihost, int guiport, + int code, const char *errstr) +{ + unsigned int len = 0; + char buffer[128], temp[5]; + + memset(buffer, 0, sizeof(buffer)); + + memset(temp, 0, sizeof(temp)); + snprintf(temp, sizeof(temp) - 1, "%.2d", CMD_FAIL); + memcpy(buffer, temp, 2); + len += 2; + + memset(temp, 0, sizeof(temp)); + snprintf(temp, sizeof(temp) - 1, "%.2d", code); + len += add_field(buffer + len, temp, 2); + + len += add_field(buffer + len, errstr, strlen(errstr)); + + /* Send prepared buffer to UI */ +#ifdef DEBUG + wl_loginfo("Send CMD_FAIL to UI: '%s'", buffer); +#endif + + return ((!wl_send(guihost, guiport, buffer)) ? 0 : 1); +} + +int get_ok(const char *buffer) +{ + char temp[5]; + unsigned int len = 0; + + /* packet type already determined, skip check */ + len += 2; + + /* what is ok for? */ + memset(temp, 0, sizeof(temp)); + len += get_field(buffer + len, temp, sizeof(temp)); + + return atoi(temp); +} + +/* put failmessage into buffer */ +int get_fail(char *out, const char *buffer, size_t len) +{ + char temp[5]; + int error=0; + unsigned int len = 0; + + /* packet type already determined, skip check */ + len += 2; + + /* what is fail for? */ + memset(temp, 0, sizeof(temp)); + len += get_field(buffer + len, temp, sizeof(temp)); + error=atoi(temp); + + /* get errorstring and fill into buffer */ + memset(out, 0, len); + len += get_field(buffer + len, out, len - 1); + + return error; +} + + /* Send found network to UI */ int send_network_found (const char *guihost, int guiport, void *structure) { wl_network_t *ptr; char buffer[2048], temp[5]; unsigned int len = 0; ptr = (wl_network_t *)structure; memset(buffer,0,sizeof(buffer)); /* Type = Found new net (without length field) */ memset(temp, 0, sizeof(temp)); - snprintf(temp, sizeof(temp), "%.2d", WL_NETFOUND); + snprintf(temp, sizeof(temp) - 1, "%.2d", WL_NETFOUND); memcpy(buffer, temp, 2); len += 2; /* Set Net-type */ memset(temp, 0, sizeof(temp)); - snprintf(temp, sizeof(temp), "%d", ptr->net_type); + snprintf(temp, sizeof(temp) - 1, "%d", ptr->net_type); len += add_field(buffer + len, temp, 1); /* Set channel */ memset(temp, 0, sizeof(temp)); - snprintf(temp, sizeof(temp), "%.2d", ptr->channel); + snprintf(temp, sizeof(temp) - 1, "%.2d", ptr->channel); len += add_field(buffer + len, temp, 2); /* Set WEP y/n */ memset(temp, 0, sizeof(temp)); - snprintf(temp, sizeof(temp), "%d", ptr->wep); + snprintf(temp, sizeof(temp) - 1, "%d", ptr->wep); len += add_field(buffer + len, temp, 1); /* Set Mac */ len += add_field(buffer + len, ptr->mac, 17); /* Set ssid */ if(len + ptr->ssid_len < sizeof(buffer) - 1) len += add_field(buffer + len, ptr->bssid, ptr->ssid_len); else len += add_field(buffer + len, ptr->bssid, sizeof(buffer) - len - 1); /* Send prepared buffer to UI */ #ifdef DEBUG wl_loginfo("Sending network to UI: '%s'", buffer); #endif return ((!wl_send(guihost, guiport, buffer)) ? 0 : 1); } /* Fill buffer into structur */ int get_network_found (void *structure, const char *buffer) { wl_network_t *ptr; char temp[5]; unsigned int len = 0; ptr = (wl_network_t *)structure; /* packet type already determined, skip check */ len += 2; /* Get net type (accesspoint || ad-hoc || ...) */ memset(temp, 0, sizeof(temp)); len += get_field(buffer + len, temp, sizeof(temp)); ptr->net_type = atoi(temp); /* Get channel */ memset(temp, 0, sizeof(temp)); len += get_field(buffer + len, temp, sizeof(temp)); ptr->channel = atoi(temp); /* Set WEP y/n */ memset(temp, 0, sizeof(temp)); len += get_field(buffer + len, temp, sizeof(temp)); ptr->wep = atoi(temp); /* Set MAC address */ len += get_field(buffer + len, ptr->mac, sizeof(ptr->mac)); diff --git a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.hh b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.hh index 46ef8e5..63ac53b 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.hh +++ b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.hh @@ -1,21 +1,27 @@ /* $Id$ */ #ifndef WLPROTO_HH #define WLPROTO_HH #include <stdio.h> #include <string.h> #include <stdlib.h> /* Type definitions, to be continued */ #define NETFOUND 01 #define NETLOST 02 +#define CMD_FAIL 50 +#define CMD_OK 51 #define STARTSNIFF 98 #define STOPSNIFF 99 -int add_field(char *, const char *, int); -int get_field(const char *, char *, int); +unsigned int add_field(char *, const char *, int); +unsigned int get_field(const char *, char *, int); +int send_ok(const char *, int, int); +int get_ok(const char *); +int send_fail(const char *, int, int, const char *); +int get_fail(char *, const char *, size_t); int send_network_found (const char *, int, void *); int get_network_found (void *, const char *); #endif /* WLPROTO_HH */ |