mirror of
https://github.com/kanjitalk755/macemu.git
synced 2024-11-23 04:33:24 +00:00
Updated coding style.
This commit is contained in:
Dan Sumorok
parent
94b790728e
commit
01ba04139f
@ -43,160 +43,160 @@
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#include <Carbon/Carbon.h>
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static int openBpf(char *ifname);
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static int retreiveAuthInfo(void);
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static int mainLoop(int sd);
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static int open_bpf(char *ifname);
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static int retreive_auth_info(void);
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static int main_loop(int sd);
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int main(int argc, char **argv) {
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char *ifName;
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char *if_name;
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int ret;
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int sd;
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if(argc != 2) {
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if (argc != 2) {
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return 255;
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}
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ifName = argv[1];
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if_name = argv[1];
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ret = retreiveAuthInfo();
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if(ret != 0) {
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ret = retreive_auth_info();
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if (ret != 0) {
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return 254;
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}
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fflush(stdout);
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sd = openBpf(ifName);
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if(sd < 0) {
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sd = open_bpf(if_name);
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if (sd < 0) {
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return 253;
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}
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fflush(stdout);
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ret = mainLoop(sd);
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ret = main_loop(sd);
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close(sd);
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if(ret < 0) {
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if (ret < 0) {
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return 252;
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}
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return 0;
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}
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static int mainLoop(int sd) {
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static int main_loop(int sd) {
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fd_set readSet;
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char *outgoing, *incoming;
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unsigned short *outLen;
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unsigned short *inLen;
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int inIndex, outIndex;
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unsigned short *out_len;
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unsigned short *in_len;
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int in_index, out_index;
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u_int blen = 0;
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int ret;
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int fret = 0;
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struct bpf_hdr *hdr;
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int pktLen;
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int frameLen;
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int pkt_len;
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int frame_len;
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int pad;
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if(ioctl(sd, BIOCGBLEN, &blen) < 0) {
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if (ioctl(sd, BIOCGBLEN, &blen) < 0) {
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return -1;
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}
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incoming = malloc(blen);
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if(incoming == NULL) {
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if (incoming == NULL) {
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return -2;
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}
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outgoing = malloc(blen);
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if(outgoing == NULL) {
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if (outgoing == NULL) {
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free(outgoing);
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return -3;
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}
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inIndex = 0;
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outIndex = 0;
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in_index = 0;
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out_index = 0;
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outLen = (unsigned short *)outgoing;
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out_len = (unsigned short *)outgoing;
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while(1) {
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while (1) {
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int i;
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FD_ZERO(&readSet);
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FD_SET(0, &readSet);
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FD_SET(sd, &readSet);
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ret = select(sd + 1, &readSet, NULL, NULL, NULL);
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if(ret < 0) {
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if (ret < 0) {
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fret = -4;
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break;
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}
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if(FD_ISSET(0, &readSet)) {
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if(outIndex < 2) {
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ret = read(0, outgoing + outIndex, 2-outIndex);
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if (FD_ISSET(0, &readSet)) {
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if (out_index < 2) {
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ret = read(0, outgoing + out_index, 2-out_index);
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} else {
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ret = read(0, outgoing + outIndex, *outLen - outIndex + 2);
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ret = read(0, outgoing + out_index, *out_len - out_index + 2);
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}
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if(ret < 1) {
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if (ret < 1) {
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fret = -5;
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break;
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}
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outIndex += ret;
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if(outIndex > 1) {
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out_index += ret;
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if (out_index > 1) {
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fflush(stdout);
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if((*outLen + 2) > blen) {
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if ((*out_len + 2) > blen) {
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fret = -6;
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break;
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}
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if(outIndex == (*outLen + 2)) {
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ret = write(sd, outLen + 1, *outLen);
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if(ret != *outLen) {
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if (out_index == (*out_len + 2)) {
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ret = write(sd, out_len + 1, *out_len);
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if (ret != *out_len) {
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fret = -7;
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break;
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}
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outIndex = 0;
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out_index = 0;
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}
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}
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}
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if(FD_ISSET(sd, &readSet)) {
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if (FD_ISSET(sd, &readSet)) {
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int i;
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ret = read(sd, incoming, blen);
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if(ret < 1) {
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if (ret < 1) {
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fret = -8;
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break;
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}
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hdr = (struct bpf_hdr *)incoming;
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inLen = (unsigned short *)(incoming + 16);
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in_len = (unsigned short *)(incoming + 16);
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do {
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pktLen = hdr->bh_caplen;
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frameLen = pktLen + 18;
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pkt_len = hdr->bh_caplen;
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frame_len = pkt_len + 18;
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if((pktLen < 0) || (frameLen > ret) || (frameLen < 0)) {
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if ((pkt_len < 0) || (frame_len > ret) || (frame_len < 0)) {
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fret = -9;
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break;
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}
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*inLen = pktLen;
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*in_len = pkt_len;
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write(0, inLen, pktLen + 2);
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if((frameLen & 0x03) == 0) {
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write(0, in_len, pkt_len + 2);
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if ((frame_len & 0x03) == 0) {
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pad = 0;
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} else {
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pad = 4 - (frameLen & 0x03);
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pad = 4 - (frame_len & 0x03);
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}
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ret -= (frameLen + pad);
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hdr = (struct bpf_hdr *)((unsigned char *)hdr + frameLen + pad);
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inLen = (unsigned short *)((unsigned char *)hdr + 16);
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ret -= (frame_len + pad);
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hdr = (struct bpf_hdr *)((unsigned char *)hdr + frame_len + pad);
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in_len = (unsigned short *)((unsigned char *)hdr + 16);
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} while (ret > 0);
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if(fret != 0) {
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if (fret != 0) {
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break;
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}
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}
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@ -208,7 +208,7 @@ static int mainLoop(int sd) {
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return fret;
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}
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static int retreiveAuthInfo(void) {
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static int retreive_auth_info(void) {
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AuthorizationRef aRef;
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OSStatus status;
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AuthorizationRights myRights;
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@ -219,12 +219,12 @@ static int retreiveAuthInfo(void) {
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int i;
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status = AuthorizationCopyPrivilegedReference(&aRef, kAuthorizationFlagDefaults);
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if(status != errAuthorizationSuccess) {
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if (status != errAuthorizationSuccess) {
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return -1;
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}
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status = AuthorizationCopyInfo(aRef, NULL, &mySet);
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if(status != errAuthorizationSuccess) {
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if (status != errAuthorizationSuccess) {
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AuthorizationFree(aRef, kAuthorizationFlagDestroyRights);
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return -1;
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}
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@ -240,7 +240,7 @@ static int retreiveAuthInfo(void) {
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status = AuthorizationCopyRights(aRef, &myRights, NULL,
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kAuthorizationFlagExtendRights,
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&newRights);
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if(status != errAuthorizationSuccess) {
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if (status != errAuthorizationSuccess) {
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AuthorizationFreeItemSet(mySet);
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AuthorizationFree(aRef, kAuthorizationFlagDestroyRights);
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return -2;
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@ -253,18 +253,18 @@ static int retreiveAuthInfo(void) {
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return 0;
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}
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static int openBpf(char *ifname) {
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static int open_bpf(char *ifname) {
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u_int blen = 0;
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struct ifreq ifreq;
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u_int arg;
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int sd = open("/dev/bpf2", O_RDWR);
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if(sd < 0) {
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if (sd < 0) {
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return -1;
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}
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if(ioctl(sd, BIOCGBLEN, &blen) < 0) {
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if (ioctl(sd, BIOCGBLEN, &blen) < 0) {
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close(sd);
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return -2;
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}
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@ -273,25 +273,25 @@ static int openBpf(char *ifname) {
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strncpy(ifreq.ifr_name, ifname, IFNAMSIZ);
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arg = 0;
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if(ioctl(sd, BIOCSETIF, &ifreq) < 0) {
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if (ioctl(sd, BIOCSETIF, &ifreq) < 0) {
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close(sd);
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return -3;
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}
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arg = 0;
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if(ioctl(sd, BIOCSSEESENT, &arg) < 0) {
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if (ioctl(sd, BIOCSSEESENT, &arg) < 0) {
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close(sd);
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return -4;
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}
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arg = 1;
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if(ioctl(sd, BIOCPROMISC, &arg) < 0) {
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if (ioctl(sd, BIOCPROMISC, &arg) < 0) {
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close(sd);
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return -5;
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}
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arg = 1;
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if(ioctl(sd, BIOCIMMEDIATE, &arg) < 0) {
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if (ioctl(sd, BIOCIMMEDIATE, &arg) < 0) {
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close(sd);
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return -6;
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}
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@ -40,58 +40,57 @@
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#include <Carbon/Carbon.h>
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FILE * runTool(const char *ifName);
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FILE * run_tool(const char *ifName);
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FILE * runTool(const char *ifName) {
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OSStatus authStatus;
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FILE * run_tool(const char *ifName) {
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OSStatus auth_status;
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FILE *fp;
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char *args[] = {"etherslavetool", NULL, NULL};
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int ret;
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const char *path;
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AuthorizationFlags auth_flags;
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AuthorizationRef auth_ref;
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AuthorizationItem auth_items[1];
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AuthorizationRights auth_rights;
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path = [[[NSBundle mainBundle]
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pathForResource:@"etherslavetool" ofType: nil] UTF8String];
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if(path == NULL) {
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if (path == NULL) {
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return NULL;
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}
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AuthorizationFlags authFlags;
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AuthorizationRef authRef;
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AuthorizationItem authItems[1];
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AuthorizationRights authRights;
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args[1] = (char *)ifName;
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authFlags = kAuthorizationFlagExtendRights |
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auth_flags = kAuthorizationFlagExtendRights |
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kAuthorizationFlagInteractionAllowed |
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kAuthorizationFlagPreAuthorize;
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authItems[0].name = "system.privilege.admin";
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authItems[0].valueLength = 0;
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authItems[0].value = NULL;
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authItems[0].flags = 0;
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auth_items[0].name = "system.privilege.admin";
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auth_items[0].valueLength = 0;
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auth_items[0].value = NULL;
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auth_items[0].flags = 0;
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authRights.count = sizeof (authItems) / sizeof (authItems[0]);
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authRights.items = authItems;
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auth_rights.count = sizeof (auth_items) / sizeof (auth_items[0]);
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auth_rights.items = auth_items;
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authStatus = AuthorizationCreate(&authRights,
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kAuthorizationEmptyEnvironment,
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authFlags,
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&authRef);
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auth_status = AuthorizationCreate(&auth_rights,
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kAuthorizationEmptyEnvironment,
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auth_flags,
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&auth_ref);
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if(authStatus != errAuthorizationSuccess) {
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if (auth_status != errAuthorizationSuccess) {
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fprintf(stderr, "%s: AuthorizationCreate() failed.\n", __func__);
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return NULL;
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}
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authStatus = AuthorizationExecuteWithPrivileges(authRef,
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path,
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kAuthorizationFlagDefaults,
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args + 1,
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&fp);
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auth_status = AuthorizationExecuteWithPrivileges(auth_ref,
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path,
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kAuthorizationFlagDefaults,
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args + 1,
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&fp);
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if(authStatus != errAuthorizationSuccess) {
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if (auth_status != errAuthorizationSuccess) {
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fprintf(stderr, "%s: AuthorizationExecWithPrivileges() failed.\n", __func__);
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return NULL;
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}
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@ -106,7 +106,7 @@ enum {
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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extern "C" {
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extern FILE * runTool(const char *ifName);
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extern FILE * run_tool(const char *if_name);
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}
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#endif
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@ -155,9 +155,9 @@ static void slirp_add_redirs();
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static int slirp_add_redir(const char *redir_str);
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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static int getmacaddress(const char* dev, unsigned char *addr);
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static bool openEtherSlave(const char *ifName);
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static int readpacket(void);
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static int get_mac_address(const char* dev, unsigned char *addr);
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static bool open_ether_slave(const char *if_name);
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static int read_packet(void);
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#endif
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/*
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@ -260,7 +260,7 @@ bool ether_init(void)
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// Do nothing if no Ethernet device specified
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const char *name = PrefsFindString("ether");
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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const char *slaveDev = PrefsFindString("etherslavedev");
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const char *slave_dev = PrefsFindString("etherslavedev");
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#endif
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if (name == NULL)
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return false;
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@ -333,11 +333,11 @@ bool ether_init(void)
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break;
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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case NET_IF_ETHERSLAVE:
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if(slaveDev == NULL) {
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if (slave_dev == NULL) {
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WarningAlert("etherslavedev not defined in preferences.");
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return false;
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}
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return openEtherSlave(slaveDev);
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return open_ether_slave(slave_dev);
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#endif
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}
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if (net_if_type != NET_IF_SLIRP) {
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@ -792,14 +792,14 @@ static int16 ether_do_write(uint32 arg)
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#endif
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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if (net_if_type == NET_IF_ETHERSLAVE) {
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unsigned short pktlen;
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unsigned short pkt_len;
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pktlen = len;
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if(write(fd, &pktlen, 2) < 2) {
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pkt_len = len;
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if (write(fd, &pkt_len, 2) < 2) {
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return excessCollsns;
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}
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if(write(fd, packet, len) < len) {
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if (write(fd, packet, len) < len) {
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return excessCollsns;
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}
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return noErr;
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@ -940,7 +940,7 @@ static void *receive_func(void *arg)
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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if (net_if_type == NET_IF_ETHERSLAVE) {
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if(readpacket() < 1) {
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if (read_packet() < 1) {
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break;
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}
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}
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@ -987,12 +987,12 @@ void ether_do_interrupt(void)
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#endif
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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if (net_if_type == NET_IF_ETHERSLAVE) {
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unsigned short *pktlen;
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unsigned short *pkt_len;
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uint32 p = packet;
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pktlen = (unsigned short *)packet_buffer;
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length = *pktlen;
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memcpy(Mac2HostAddr(packet), pktlen + 1, length);
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pkt_len = (unsigned short *)packet_buffer;
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length = *pkt_len;
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memcpy(Mac2HostAddr(packet), pkt_len + 1, length);
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ether_dispatch_packet(p, length);
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break;
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} else
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@ -1124,22 +1124,22 @@ static int slirp_add_redir(const char *redir_str)
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}
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#ifdef ENABLE_MACOSX_ETHERSLAVE
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static int getmacaddress(const char* dev, unsigned char *addr)
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static int get_mac_address(const char* dev, unsigned char *addr)
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{
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struct ifaddrs *ifaddrs, *next;
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int ret = -1;
|
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struct sockaddr_dl *sa;
|
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|
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if(getifaddrs(&ifaddrs) != 0) {
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if (getifaddrs(&ifaddrs) != 0) {
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perror("getifaddrs");
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return -1;
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}
|
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next = ifaddrs;
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while(next != NULL) {
|
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switch(next->ifa_addr->sa_family) {
|
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while (next != NULL) {
|
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switch (next->ifa_addr->sa_family) {
|
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case AF_LINK:
|
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if(!strcmp(dev, next->ifa_name)) {
|
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if (!strcmp(dev, next->ifa_name)) {
|
||||
sa = (struct sockaddr_dl *)next->ifa_addr;
|
||||
memcpy(addr, LLADDR(sa), 6);
|
||||
ret = 0;
|
||||
@ -1156,23 +1156,21 @@ static int getmacaddress(const char* dev, unsigned char *addr)
|
||||
return ret;
|
||||
}
|
||||
|
||||
static bool openEtherSlave(const char *ifName)
|
||||
static bool open_ether_slave(const char *if_name)
|
||||
{
|
||||
FILE *fp;
|
||||
char str[64];
|
||||
|
||||
str[sizeof(str)-1] = '\0';
|
||||
|
||||
if(getmacaddress(ifName, ether_addr) != 0) {
|
||||
snprintf(str, sizeof(str)-1, "Unable to find interface %s.",
|
||||
ifName);
|
||||
if (get_mac_address(if_name, ether_addr) != 0) {
|
||||
snprintf(str, sizeof(str), "Unable to find interface %s.",
|
||||
if_name);
|
||||
WarningAlert(str);
|
||||
return false;
|
||||
}
|
||||
|
||||
fp = runTool(ifName);
|
||||
if(fp == NULL) {
|
||||
snprintf(str, sizeof(str)-1, "Unable to run ether slave helper tool.");
|
||||
fp = run_tool(if_name);
|
||||
if (fp == NULL) {
|
||||
snprintf(str, sizeof(str), "Unable to run ether slave helper tool.");
|
||||
WarningAlert(str);
|
||||
return false;
|
||||
}
|
||||
@ -1180,7 +1178,7 @@ static bool openEtherSlave(const char *ifName)
|
||||
fd = dup(fileno(fp));
|
||||
fclose(fp);
|
||||
|
||||
if(start_thread() == false) {
|
||||
if (start_thread() == false) {
|
||||
close(fd);
|
||||
fd = -1;
|
||||
return false;
|
||||
@ -1189,37 +1187,37 @@ static bool openEtherSlave(const char *ifName)
|
||||
return true;
|
||||
}
|
||||
|
||||
static int readpacket()
|
||||
static int read_packet()
|
||||
{
|
||||
int index;
|
||||
unsigned short *pktLen;
|
||||
unsigned short *pkt_len;
|
||||
int ret = -1;
|
||||
|
||||
pktLen = (unsigned short *)packet_buffer;
|
||||
pkt_len = (unsigned short *)packet_buffer;
|
||||
|
||||
index = 0;
|
||||
while(1) {
|
||||
if(index < 2) {
|
||||
while (1) {
|
||||
if (index < 2) {
|
||||
ret = read(fd, packet_buffer + index, 2 - index);
|
||||
} else {
|
||||
ret = read(fd, packet_buffer + index, *pktLen - index + 2);
|
||||
ret = read(fd, packet_buffer + index, *pkt_len - index + 2);
|
||||
}
|
||||
|
||||
if(ret < 1) {
|
||||
if (ret < 1) {
|
||||
fprintf(stderr, "%s: read() returned %d.\n", __func__, ret);
|
||||
break;
|
||||
}
|
||||
|
||||
index += ret;
|
||||
|
||||
if(index > 1) {
|
||||
if(*pktLen > (sizeof(packet_buffer) + 2)) {
|
||||
fprintf(stderr, "%s: pktLen (%d) too large.\n", __func__, *pktLen);
|
||||
if (index > 1) {
|
||||
if (*pkt_len > (sizeof(packet_buffer) + 2)) {
|
||||
fprintf(stderr, "%s: pkt_len (%d) too large.\n", __func__, *pkt_len);
|
||||
break;
|
||||
}
|
||||
|
||||
if(index == (*pktLen + 2)) {
|
||||
ret = *pktLen;
|
||||
if (index == (*pkt_len + 2)) {
|
||||
ret = *pkt_len;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user