Annotation of ansh/src/utils.c, revision 1.1.1.1.2.12
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.1.1.1.2.12! misho 6: * $Id: utils.c,v 1.1.1.1.2.11 2011/10/14 12:03:10 misho Exp $
1.1 misho 7: *
1.1.1.1.2.8 misho 8: *************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #include "global.h"
47:
48:
49: void
50: Get1stEth(char *psDev, int devlen)
51: {
52: struct ifaddrs *ifa;
53:
54: assert(psDev);
55: assert(devlen > 0);
56:
57: getifaddrs(&ifa);
58: strlcpy(psDev, ifa->ifa_name, devlen);
59: freeifaddrs(ifa);
60: }
61:
62: int
63: PrepareL2(const char *psDev, int *bpflen)
64: {
65: int h, n = 1;
66: register int i;
67: char szStr[STRSIZ];
68: struct ifreq ifr;
1.1.1.1.2.3 misho 69: struct bpf_program fcode = { 0 };
70: struct bpf_insn insns[] = {
71: BPF_STMT(BPF_LD + BPF_H + BPF_ABS, 12),
72: BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ANSH_ID, 0, 1),
73: BPF_STMT(BPF_RET + BPF_K, -1),
74: BPF_STMT(BPF_RET + BPF_K, 0),
75: };
1.1 misho 76:
77: FTRACE(3);
78: assert(psDev);
79:
1.1.1.1.2.3 misho 80: fcode.bf_len = sizeof(insns) / sizeof(struct bpf_insn);
81: fcode.bf_insns = insns;
82:
1.1 misho 83: for (i = 0; i < 10; i++) {
84: memset(szStr, 0, sizeof szStr);
85: snprintf(szStr, sizeof szStr, "/dev/bpf%d", i);
86: h = open(szStr, O_RDWR);
87: if (h > 2)
88: break;
89: }
90: if (h < 3) {
91: printf("Error:: open bpf %s #%d - %s\n", szStr, errno, strerror(errno));
92: return -1;
93: }
94:
1.1.1.1.2.5 misho 95: if (ioctl(h, BIOCIMMEDIATE, &n) == -1) {
1.1.1.1.2.3 misho 96: printf("Error:: set interface %s to bpf #%d - %s\n", psDev, errno, strerror(errno));
97: close(h);
98: return -1;
99: }
1.1.1.1.2.7 misho 100: n = USHRT_MAX + 1;
101: if (ioctl(h, BIOCSBLEN, &n) == -1) {
102: printf("Error:: set buffer interface %s buffer length #%d - %s\n", psDev, errno, strerror(errno));
103: close(h);
104: return -1;
105: }
1.1.1.1.2.5 misho 106: strlcpy(ifr.ifr_name, psDev, sizeof ifr.ifr_name);
107: if (ioctl(h, BIOCSETIF, &ifr) == -1) {
108: printf("Error:: bind interface %s to bpf #%d - %s\n", psDev, errno, strerror(errno));
1.1 misho 109: close(h);
110: return -1;
111: }
1.1.1.1.2.3 misho 112: if (ioctl(h, BIOCSETF, &fcode) == -1) {
113: printf("Error:: set filter interface %s to bpf #%d - %s\n", psDev, errno, strerror(errno));
114: close(h);
115: return -1;
116: }
1.1 misho 117: if (ioctl(h, BIOCGBLEN, bpflen) == -1) {
1.1.1.1.2.7 misho 118: printf("Error:: get buffer interface %s buffer length #%d - %s\n", psDev, errno, strerror(errno));
1.1 misho 119: close(h);
120: return -1;
121: }
122:
1.1.1.1.2.3 misho 123: n = fcntl(h, F_GETFL);
124: fcntl(h, F_SETFL, n | O_NONBLOCK);
125:
1.1 misho 126: VERB(3) LOG("Openned device handle %d with bpf buflen %d", h, *bpflen);
127: return h;
128: }
129:
130: int
131: PrepareL3(const struct sockaddr *sa, int *bpflen)
132: {
133: int h, n = 1;
134:
135: FTRACE(3);
136: assert(sa);
137:
138: h = socket(sa->sa_family, SOCK_RAW, IPPROTO_ICMP);
139: if (h == -1) {
140: printf("Error:: Cant open raw socket #%d - %s\n", errno, strerror(errno));
141: return -1;
142: }
143: /*
144: if (setsockopt(h, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) {
145: printf("Error:: Cant set raw socket #%d - %s\n", errno, strerror(errno));
146: close(h);
147: return -1;
148: }
149: */
150: if (bind(h, sa, sizeof(struct sockaddr)) == -1) {
151: printf("Error:: Cant bind to raw socket #%d - %s\n", errno, strerror(errno));
152: close(h);
153: return -1;
154: }
155:
156: n = fcntl(h, F_GETFL);
157: fcntl(h, F_SETFL, n | O_NONBLOCK);
158:
159: *bpflen = USHRT_MAX;
160: VERB(3) LOG("Openned socket handle %d", h);
161: return h;
162: }
163:
164: char
1.1.1.1.2.6 misho 165: icmpRecv(int s, u_int * __restrict seq, u_short * __restrict id, u_int * __restrict crypted,
166: u_char * __restrict data, int * __restrict datlen, struct sockaddr *sa, socklen_t *salen)
1.1 misho 167: {
168: int ret = 0;
169: struct icmp *icmp;
170: struct ansh_hdr *hdr;
171: u_char buf[USHRT_MAX] = { 0 };
172: u_int crc;
173:
174: ret = recvfrom(s, buf, sizeof buf, 0, sa, salen);
175: if (ret == -1) {
176: ERR("Receive recvfrom() #%d - %s", errno, strerror(errno));
177: return ANSH_FLG_ERR;
178: } else
179: VERB(4) LOG("Get packet with len=%d", ret);
180:
181: /* check header len */
182: if (ret < (sizeof(struct ip) + sizeof(struct icmp) + sizeof(struct ansh_hdr))) {
183: VERB(1) LOG("Discard packet too short %d ...", ret);
184: return ANSH_FLG_ERR;
185: } else
186: icmp = (struct icmp*) (buf + sizeof(struct ip));
187:
188: /* check echo magic ansh code */
189: if (icmp->icmp_type != ICMP_ECHOREPLY || icmp->icmp_code != ANSH_CODE) {
190: VERB(3) LOG("Packet isnt for me %d ... icmp_code=%d", ret, icmp->icmp_code);
191: return ANSH_FLG_ERR;
192: } else
193: hdr = (struct ansh_hdr*) (buf + sizeof(struct ip) + sizeof(struct icmp));
194:
195: /* check version and total size of packet */
196: if (hdr->ansh_ver != ANSH_VERSION) {
197: VERB(3) LOG("Packet with wrong version ...");
198: return ANSH_FLG_ERR;
199: }
1.1.1.1.2.1 misho 200: if (crypted) {
201: if (hdr->ansh_nonce && !*crypted) {
202: VERB(3) LOG("Channel INSECURED:: Crypted communication not supported at this moment ...");
203: return ANSH_FLG_ERR;
204: }
205: if (!hdr->ansh_nonce && *crypted) {
206: VERB(3) LOG("Channel SECURED:: Plain text communication not supported at this moment ...");
207: return ANSH_FLG_ERR;
208: }
209:
210: *crypted = ntohl(hdr->ansh_nonce);
211: }
1.1 misho 212:
213: /* check crc of packet */
214: crc = hdr->ansh_crc;
215: hdr->ansh_crc ^= hdr->ansh_crc;
216: hdr->ansh_crc = htonl(crcAdler((u_char*) hdr, ntohs(hdr->ansh_len)));
217: if (crc != hdr->ansh_crc) {
218: VERB(3) LOG("Packet with wrong crc ...");
219: return ANSH_FLG_ERR;
220: }
221:
222: /* copy data */
223: if (data && datlen) {
224: memset(data, 0, *datlen);
225: *datlen = ntohs(hdr->ansh_len) - sizeof(struct ansh_hdr);
226: memcpy(data, buf + sizeof(struct ip) + sizeof(struct icmp) + sizeof(struct ansh_hdr), *datlen);
227: }
228:
1.1.1.1.2.6 misho 229: if (seq)
230: *seq = ntohl(hdr->ansh_seq);
1.1 misho 231: if (id)
232: *id = ntohs(icmp->icmp_id);
233: return hdr->ansh_flg;
234: }
235:
236: int
1.1.1.1.2.6 misho 237: icmpSend(int s, u_int seq, u_short id, char flg, u_int crypted, u_char *data, int datlen,
238: struct sockaddr *sa, socklen_t salen)
1.1 misho 239: {
240: u_char *pos, buf[USHRT_MAX] = { 0 };
241: struct icmp *icmp;
242: struct ansh_hdr *hdr;
243: int ret = 0;
244:
245: assert(data);
246: if ((sizeof buf - sizeof(struct icmp) + sizeof(struct ansh_hdr)) < datlen)
247: return ANSH_FLG_ERR;
248:
249: icmp = (struct icmp*) buf;
250: hdr = (struct ansh_hdr*) (buf + sizeof(struct icmp));
251: pos = buf + sizeof(struct icmp) + sizeof(struct ansh_hdr);
252:
253: memcpy(pos, data, datlen);
254:
255: hdr->ansh_ver = ANSH_VERSION;
256: hdr->ansh_flg = flg;
257: hdr->ansh_len = htons(datlen + sizeof(struct ansh_hdr));
1.1.1.1.2.1 misho 258: hdr->ansh_nonce = htonl(crypted);
1.1.1.1.2.6 misho 259: hdr->ansh_seq = htonl(seq);
1.1 misho 260: hdr->ansh_crc = 0;
261: hdr->ansh_crc = htonl(crcAdler((u_char*) hdr, ntohs(hdr->ansh_len)));
262:
263: icmp->icmp_type = ICMP_ECHOREPLY;
264: icmp->icmp_code = ANSH_CODE;
265: icmp->icmp_id = htons(id);
266: icmp->icmp_seq = htons(datlen);
267: icmp->icmp_cksum = 0;
268: icmp->icmp_cksum = crcIP(buf, sizeof(struct icmp) + sizeof(struct ansh_hdr) + datlen);
269:
270: if ((ret = sendto(s, buf, sizeof(struct icmp) + sizeof(struct ansh_hdr) + datlen,
271: 0, sa, salen)) == -1) {
272: ERR("Send sendto() #%d - %s", errno, strerror(errno));
273: return ANSH_FLG_ERR;
274: } else
275: VERB(4) LOG("Put packet with len=%d", ret);
276: if (ret != sizeof(struct icmp) + sizeof(struct ansh_hdr) + datlen) {
277: VERB(3) LOG("Sended data %d is different from source data len %d", ret,
1.1.1.1.2.9 misho 278: (int) (sizeof(struct icmp) + sizeof(struct ansh_hdr) + datlen));
1.1 misho 279: return ANSH_FLG_ERR;
280: }
281:
282: return ret;
283: }
284:
1.1.1.1.2.5 misho 285: static int
1.1.1.1.2.9 misho 286: _pkt_Send(int s, u_int seq, char flg, u_int crypted, u_char *data, int datlen, struct io_ether_addr *ea)
1.1 misho 287: {
288: u_char *pos, buf[USHRT_MAX] = { 0 };
289: struct ether_header *e = (struct ether_header*) buf;
290: struct ansh_hdr *hdr;
291: int ret = 0;
292:
293: assert(data);
294: if ((sizeof buf - ETHER_HDR_LEN + sizeof(struct ansh_hdr)) < datlen)
295: return ANSH_FLG_ERR;
296:
1.1.1.1.2.3 misho 297: e->ether_type = ntohs(ANSH_ID);
1.1.1.1.2.9 misho 298: memcpy(e->ether_dhost, ea->ether_addr_octet, ETHER_ADDR_LEN);
1.1 misho 299: hdr = (struct ansh_hdr*) (buf + ETHER_HDR_LEN);
300: pos = ((u_char*) hdr) + sizeof(struct ansh_hdr);
301:
302: memcpy(pos, data, datlen);
303:
304: hdr->ansh_ver = ANSH_VERSION;
305: hdr->ansh_flg = flg;
306: hdr->ansh_len = htons(datlen + sizeof(struct ansh_hdr));
1.1.1.1.2.2 misho 307: hdr->ansh_nonce = htonl(crypted);
1.1.1.1.2.6 misho 308: hdr->ansh_seq = htonl(seq);
1.1 misho 309: hdr->ansh_crc = 0;
310: hdr->ansh_crc = htonl(crcAdler((u_char*) hdr, ntohs(hdr->ansh_len)));
311:
312: if ((ret = write(s, buf, ETHER_HDR_LEN + sizeof(struct ansh_hdr) + datlen)) == -1) {
313: ERR("Send packet() #%d - %s", errno, strerror(errno));
314: return ANSH_FLG_ERR;
315: } else
316: VERB(4) LOG("Put packet with len=%d", ret);
317: if (ret != ETHER_HDR_LEN + sizeof(struct ansh_hdr) + datlen) {
318: VERB(3) LOG("Sended data %d is different from source data len %d", ret,
1.1.1.1.2.9 misho 319: (int) (ETHER_HDR_LEN + sizeof(struct ansh_hdr) + datlen));
1.1 misho 320: return ANSH_FLG_ERR;
321: }
322:
323: return ret;
324: }
325:
1.1.1.1.2.5 misho 326: int
1.1.1.1.2.9 misho 327: pktSend(int s, u_int seq, char flg, u_int crypted, u_char *data, int datlen, struct io_ether_addr *ea)
1.1 misho 328: {
1.1.1.1.2.5 misho 329: int wlen, ret = 0;
330: u_char *pos = data;
1.1 misho 331:
1.1.1.1.2.5 misho 332: while (datlen > -1) {
1.1.1.1.2.6 misho 333: wlen = _pkt_Send(s, seq, flg, crypted, pos, (datlen > 512) ? 512 : datlen, ea);
1.1.1.1.2.5 misho 334: if (wlen == -1)
335: return -1;
336: else {
337: pos += wlen;
338: datlen -= wlen;
339: ret += wlen;
340: }
1.1 misho 341: }
342:
1.1.1.1.2.5 misho 343: return ret;
344: }
1.1 misho 345:
1.1.1.1.2.5 misho 346: static char
1.1.1.1.2.6 misho 347: _pkt_Recv(u_char * __restrict buf, int rlen, u_int * __restrict seq, u_int * __restrict crypted,
1.1.1.1.2.5 misho 348: u_char * __restrict data, int * __restrict datlen,
349: u_char ** __restrict next, int * __restrict nextlen)
350: {
351: int bias;
352: struct bpf_hdr *bpf;
353: struct ansh_hdr *hdr;
354: u_int crc;
355:
356: if (rlen < (sizeof(struct bpf_hdr) + ETHER_HDR_LEN + sizeof(struct ansh_hdr))) {
357: VERB(1) LOG("Discard packet too short %d ...", rlen);
1.1 misho 358: return ANSH_FLG_ERR;
359: } else {
360: bpf = (struct bpf_hdr*) buf;
361: hdr = (struct ansh_hdr*) (buf + bpf->bh_hdrlen + ETHER_HDR_LEN);
362: }
363:
1.1.1.1.2.5 misho 364: /* slice readed data to packets */
365: if ((bias = BPF_WORDALIGN(bpf->bh_hdrlen + bpf->bh_caplen)) < rlen) {
366: *next = buf + bias;
367: *nextlen = rlen - bias;
368: } else {
369: *next = NULL;
370: *nextlen = 0;
371: }
372:
1.1 misho 373: /* check version and total size of packet */
374: if (hdr->ansh_ver != ANSH_VERSION) {
375: VERB(3) LOG("Packet with wrong version ... %d", hdr->ansh_ver);
376: return ANSH_FLG_ERR;
377: }
1.1.1.1.2.2 misho 378: if (crypted) {
379: if (hdr->ansh_nonce && !*crypted) {
380: VERB(3) LOG("Channel INSECURED:: Crypted communication not supported at this moment ...");
381: return ANSH_FLG_ERR;
382: }
383: if (!hdr->ansh_nonce && *crypted) {
384: VERB(3) LOG("Channel SECURED:: Plain text communication not supported at this moment ...");
385: return ANSH_FLG_ERR;
386: }
387:
388: *crypted = ntohl(hdr->ansh_nonce);
389: }
390:
1.1 misho 391: /* check crc of packet */
392: crc = hdr->ansh_crc;
393: hdr->ansh_crc ^= hdr->ansh_crc;
394: hdr->ansh_crc = htonl(crcAdler((u_char*) hdr, ntohs(hdr->ansh_len)));
395: if (crc != hdr->ansh_crc) {
396: VERB(3) LOG("Packet with wrong crc ...");
397: return ANSH_FLG_ERR;
398: }
399:
1.1.1.1.2.5 misho 400: /* select data */
1.1 misho 401: if (data) {
402: *datlen = ntohs(hdr->ansh_len) - sizeof(struct ansh_hdr);
1.1.1.1.2.4 misho 403: memcpy(data, buf + bpf->bh_hdrlen + ETHER_HDR_LEN + sizeof(struct ansh_hdr), *datlen);
1.1 misho 404: }
405:
1.1.1.1.2.6 misho 406: if (seq)
407: *seq = ntohl(hdr->ansh_seq);
1.1.1.1.2.5 misho 408: return hdr->ansh_flg;
409: }
410:
411: char
1.1.1.1.2.6 misho 412: pktRecv(int s, u_int * __restrict seq, u_int * __restrict crypted, u_char * __restrict data,
413: int * __restrict datlen, struct ether_header *eth)
1.1.1.1.2.5 misho 414: {
1.1.1.1.2.6 misho 415: u_char *buf, *next, *ptr, *pos = data;
1.1.1.1.2.5 misho 416: int nextlen, rlen, buflen, ptrlen;
417: char flg;
418: struct bpf_hdr *bpf;
419: struct ether_header *e;
420:
1.1.1.1.2.6 misho 421: if (!eth || !data || !datlen)
1.1.1.1.2.5 misho 422: return ANSH_FLG_ERR;
1.1.1.1.2.6 misho 423: else
424: memset(data, 0, *datlen);
1.1.1.1.2.5 misho 425:
426: if (!(buf = malloc(*datlen))) {
427: ERR("malloc() #%d - %s", errno, strerror(errno));
428: return ANSH_FLG_ERR;
429: }
430:
431: rlen = read(s, buf, *datlen);
432: if (rlen == -1) {
433: ERR("Receive packet() #%d - %s", errno, strerror(errno));
434: free(buf);
435: return ANSH_FLG_ERR;
436: } else
437: VERB(4) LOG("Get packet with len=%d", rlen);
438:
439: /* check header len */
440: if (rlen < (sizeof(struct bpf_hdr) + ETHER_HDR_LEN + sizeof(struct ansh_hdr))) {
441: VERB(1) LOG("Discard packet too short %d ...", rlen);
442: free(buf);
443: return ANSH_FLG_ERR;
444: } else {
445: bpf = (struct bpf_hdr*) buf;
446: e = (struct ether_header*) (buf + bpf->bh_hdrlen);
447: memcpy(eth, e, ETHER_HDR_LEN);
448: }
449:
450: ptr = next = buf;
451: ptrlen = nextlen = rlen;
1.1.1.1.2.6 misho 452: if ((flg = _pkt_Recv(ptr, ptrlen, seq, crypted, pos, &buflen, &next, &nextlen)) == -1) {
1.1.1.1.2.5 misho 453: free(buf);
454: return ANSH_FLG_ERR;
455: } else {
456: pos += buflen;
457: *datlen = buflen;
458: ptr = next;
459: ptrlen = nextlen;
460: }
1.1.1.1.2.6 misho 461: /* get additional packets from buffer */
1.1.1.1.2.5 misho 462: while (next && nextlen > 0)
1.1.1.1.2.6 misho 463: if (_pkt_Recv(ptr, ptrlen, seq, crypted, pos, &buflen, &next, &nextlen) == -1)
1.1.1.1.2.5 misho 464: break;
465: else {
466: pos += buflen;
467: *datlen += buflen;
468: ptr = next;
469: ptrlen = nextlen;
470: }
471:
1.1 misho 472: free(buf);
1.1.1.1.2.6 misho 473:
1.1.1.1.2.5 misho 474: return flg;
1.1 misho 475: }
476:
477: void *
478: TOfunc(sched_task_t *task)
479: {
480: struct tagProc *proc;
481:
482: FTRACE(3);
483:
484: /* not found argument, drop data */
485: if (!(proc = TASK_ARG(task)))
486: return (void*) -1;
487:
488: if (proc->proc_pid)
489: kill(proc->proc_pid, SIGTERM);
490:
491: return NULL;
492: }
493:
1.1.1.1.2.1 misho 494: u_char *
495: cryptBuffer(u_char *buf, int rlen, u_int ctr)
496: {
497: u_char *str, ivec[AES_BLOCK_SIZE] = { 0 };
498: u_int rctr = htonl(ctr);
499:
500: FTRACE(3);
501:
502: if (!buf)
503: return NULL;
504:
505: memcpy(ivec, &ctr, sizeof ctr);
506: memcpy(ivec + 4, &rctr, sizeof rctr);
507: memcpy(ivec + 8, &ctr, sizeof ctr);
508: memcpy(ivec + 12, &rctr, sizeof rctr);
509:
1.1.1.1.2.10 misho 510: if (io_ctr_AES(buf, rlen, &str, (u_char*) Key, ivec) == -1)
1.1.1.1.2.1 misho 511: return NULL;
512:
513: return str;
514: }
1.1.1.1.2.11 misho 515:
516: int
517: stopProcess(sched_root_task_t * __restrict root, proc_head_t * __restrict h, pid_t pid, sched_task_func_t func)
518: {
519: struct tagProc *p;
520:
521: FTRACE(3);
522:
523: SLIST_FOREACH(p, h, proc_next)
524: if (p->proc_pid == pid) {
525: break;
526: }
1.1.1.1.2.12! misho 527: VERB(3) LOG("pid=%d found=%p\n", pid, p);
1.1.1.1.2.11 misho 528: if (!p)
529: return 1;
530:
531: ioFreePTY(p->proc_pty, p->proc_ttyname);
1.1.1.1.2.12! misho 532: if (p->proc_pty)
! 533: schedCancelby(root, NULL, CRITERIA_FD, (void*) ((intptr_t) p->proc_pty), NULL);
1.1.1.1.2.11 misho 534:
1.1.1.1.2.12! misho 535: p->proc_pty = 0;
1.1.1.1.2.11 misho 536: p->proc_pid = 0;
537: p->proc_seq = 0;
538: p->proc_flg = ANSH_FLG_EOF;
539: p->proc_rlen_[FD2NET] = 0;
540:
541: schedCallOnce(root, func, p, p->proc_sock);
542: return 0;
543: }
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