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1 | m4_dnl hcommon.c |
2 | m4_dnl (part of complex test harness, not of the library) |
3 | m4_dnl - routines used for both record and playback |
4 | |
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5 | m4_dnl This file is |
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6 | m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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7 | m4_dnl |
8 | m4_dnl It is part of adns, which is |
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9 | m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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10 | m4_dnl Copyright (C) 1999-2000 Tony Finch <dot@dotat.at> |
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11 | m4_dnl |
12 | m4_dnl This program is free software; you can redistribute it and/or modify |
13 | m4_dnl it under the terms of the GNU General Public License as published by |
14 | m4_dnl the Free Software Foundation; either version 2, or (at your option) |
15 | m4_dnl any later version. |
16 | m4_dnl |
17 | m4_dnl This program is distributed in the hope that it will be useful, |
18 | m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | m4_dnl GNU General Public License for more details. |
21 | m4_dnl |
22 | m4_dnl You should have received a copy of the GNU General Public License |
23 | m4_dnl along with this program; if not, write to the Free Software Foundation, |
24 | m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
25 | |
26 | m4_include(hmacros.i4) |
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27 | |
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28 | #include <string.h> |
29 | #include <errno.h> |
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30 | #include <stdlib.h> |
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31 | #include <stdarg.h> |
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32 | |
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33 | #include <sys/types.h> |
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34 | #include <sys/socket.h> |
35 | #include <netinet/in.h> |
36 | #include <arpa/inet.h> |
37 | |
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38 | #include <unistd.h> |
39 | #include <fcntl.h> |
40 | |
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41 | #include "harness.h" |
42 | #include "internal.h" |
43 | |
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44 | vbuf vb; |
45 | FILE *Toutputfile= 0; |
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46 | struct timeval currenttime; |
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47 | |
48 | const struct Terrno Terrnos[]= { |
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49 | { "EBADF", EBADF }, |
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50 | { "EAGAIN", EAGAIN }, |
51 | { "EINPROGRESS", EINPROGRESS }, |
52 | { "EINTR", EINTR }, |
53 | { "EINVAL", EINVAL }, |
54 | { "EMSGSIZE", EMSGSIZE }, |
55 | { "ENOBUFS", ENOBUFS }, |
56 | { "ENOENT", ENOENT }, |
57 | { "ENOPROTOOPT", ENOPROTOOPT }, |
58 | { "ENOSPC", ENOSPC }, |
59 | { "EWOULDBLOCK", EWOULDBLOCK }, |
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60 | { "EHOSTUNREACH", EHOSTUNREACH }, |
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61 | { "ECONNRESET", ECONNRESET }, |
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62 | { "ECONNREFUSED", ECONNREFUSED }, |
63 | { "EPIPE", EPIPE }, |
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64 | { "ENOTSOCK", ENOTSOCK }, |
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65 | { 0, 0 } |
66 | }; |
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67 | |
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68 | static vbuf vbw; |
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69 | |
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70 | int Hgettimeofday(struct timeval *tv, struct timezone *tz) { |
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71 | Tensurerecordfile(); |
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72 | Tmust("gettimeofday","tz",!tz); |
73 | *tv= currenttime; |
74 | return 0; |
75 | } |
76 | |
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77 | int Hwritev(int fd, const struct iovec *vector, size_t count) { |
78 | size_t i; |
79 | |
80 | vbw.used= 0; |
81 | for (i=0; i<count; i++, vector++) { |
82 | if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem(); |
83 | } |
84 | return Hwrite(fd,vbw.buf,vbw.used); |
85 | } |
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86 | |
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87 | m4_define(`hm_syscall', ` |
88 | hm_create_proto_q |
89 | void Q$1(hm_args_massage($3,void)) { |
90 | |
91 | vb.used= 0; |
92 | Tvba("$1"); |
93 | m4_define(`hm_na',`') |
94 | m4_define(`hm_arg_nullptr',`') |
95 | m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);') |
96 | m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);') |
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97 | m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);') |
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98 | m4_define(`hm_arg_timeval_in_rel_null', ` |
99 | if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec); |
100 | else Tvba(" $'`1=null");') |
101 | m4_define(`hm_arg_must', `') |
102 | m4_define(`hm_arg_socktype', ` |
103 | Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");') |
104 | m4_define(`hm_arg_ign', `') |
105 | m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);') |
106 | m4_define(`hm_arg_fcntl_cmd_arg', ` |
107 | if ($'`1 == F_SETFL) { |
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108 | Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&..."); |
109 | } else if ($'`1 == F_GETFL) { |
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110 | Tvba(" $'`1=F_GETFL"); |
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111 | } else { |
112 | Tmust("$'`1","F_GETFL/F_SETFL",0); |
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113 | }') |
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114 | m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);') |
115 | m4_define(`hm_arg_bytes_in', `') |
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116 | m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);') |
117 | m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);') |
118 | $3 |
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119 | |
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120 | hm_create_nothing |
121 | m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);') |
122 | $3 |
123 | |
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124 | Q_vb(); |
125 | } |
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126 | ') |
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127 | |
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128 | m4_define(`hm_specsyscall', `') |
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129 | |
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130 | m4_include(`hsyscalls.i4') |
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131 | |
132 | void Tvbaddr(const struct sockaddr *addr, int len) { |
133 | const struct sockaddr_in *ai= (const struct sockaddr_in*)addr; |
134 | |
135 | assert(len==sizeof(struct sockaddr_in)); |
136 | assert(ai->sin_family==AF_INET); |
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137 | Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port)); |
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138 | } |
139 | |
140 | void Tvbbytes(const void *buf, int len) { |
141 | const byte *bp; |
142 | int i; |
143 | |
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144 | if (!len) { Tvba("\n ."); return; } |
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145 | for (i=0, bp=buf; i<len; i++, bp++) { |
146 | if (!(i&31)) Tvba("\n "); |
147 | else if (!(i&3)) Tvba(" "); |
148 | Tvbf("%02x",*bp); |
149 | } |
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150 | Tvba("."); |
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151 | } |
152 | |
153 | void Tvbfdset(int max, const fd_set *fds) { |
154 | int i; |
155 | const char *comma= ""; |
156 | |
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157 | Tvba("["); |
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158 | for (i=0; i<max; i++) { |
159 | if (!FD_ISSET(i,fds)) continue; |
160 | Tvba(comma); |
161 | Tvbf("%d",i); |
162 | comma= ","; |
163 | } |
164 | Tvba("]"); |
165 | } |
166 | |
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167 | static void Tvbpollevents(int events) { |
168 | const char *delim= ""; |
169 | |
170 | events &= (POLLIN|POLLOUT|POLLPRI); |
171 | if (!events) { Tvba("0"); return; } |
172 | if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; } |
173 | if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; } |
174 | if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); } |
175 | } |
176 | |
177 | void Tvbpollfds(const struct pollfd *fds, int nfds) { |
178 | const char *comma= ""; |
179 | |
180 | Tvba("["); |
181 | while (nfds>0) { |
182 | Tvba(comma); |
183 | Tvbf("{fd=%d, events=",fds->fd); |
184 | Tvbpollevents(fds->events); |
185 | Tvba(", revents="); |
186 | Tvbpollevents(fds->revents); |
187 | Tvba("}"); |
188 | comma= ", "; |
189 | nfds--; fds++; |
190 | } |
191 | Tvba("]"); |
192 | } |
193 | |
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194 | void Tvberrno(int e) { |
195 | const struct Terrno *te; |
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196 | |
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197 | for (te= Terrnos; te->n && te->v != e; te++); |
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198 | assert(te->n); |
199 | Tvba(te->n); |
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200 | } |
201 | |
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202 | void Tvba(const char *str) { |
203 | if (!adns__vbuf_appendstr(&vb,str)) Tnomem(); |
204 | } |
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205 | |
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206 | void Tvbvf(const char *fmt, va_list al) { |
207 | char buf[1000]; |
208 | buf[sizeof(buf)-2]= '\t'; |
209 | vsnprintf(buf,sizeof(buf),fmt,al); |
210 | assert(buf[sizeof(buf)-2] == '\t'); |
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211 | |
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212 | Tvba(buf); |
213 | } |
214 | |
215 | void Tvbf(const char *fmt, ...) { |
216 | va_list al; |
217 | va_start(al,fmt); |
218 | Tvbvf(fmt,al); |
219 | va_end(al); |
220 | } |
221 | |
222 | |
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223 | void Tmust(const char *call, const char *arg, int cond) { |
224 | if (cond) return; |
225 | fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg); |
226 | exit(-1); |
227 | } |
228 | |
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229 | void Tfailed(const char *why) { |
230 | fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno)); |
231 | exit(-1); |
232 | } |
233 | |
234 | void Tnomem(void) { |
235 | Tfailed("unable to malloc/realloc"); |
236 | } |
237 | |
238 | void Toutputerr(void) { |
239 | Tfailed("write error on test harness output"); |
240 | } |
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241 | |
242 | struct malloced { |
243 | struct malloced *next, *back; |
244 | size_t sz; |
245 | unsigned long count; |
246 | struct { double d; long ul; void *p; void (*fp)(void); } data; |
247 | }; |
248 | |
249 | static unsigned long malloccount, mallocfailat; |
250 | static struct { struct malloced *head, *tail; } mallocedlist; |
251 | |
252 | #define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head) |
253 | |
254 | void *Hmalloc(size_t sz) { |
255 | struct malloced *newnode; |
256 | const char *mfavar; |
257 | char *ep; |
258 | |
259 | assert(sz); |
260 | |
261 | newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem(); |
262 | |
263 | LIST_LINK_TAIL(mallocedlist,newnode); |
264 | newnode->sz= sz; |
265 | newnode->count= ++malloccount; |
266 | if (!mallocfailat) { |
267 | mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT"); |
268 | if (mfavar) { |
269 | mallocfailat= strtoul(mfavar,&ep,10); |
270 | if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value"); |
271 | } else { |
272 | mallocfailat= ~0UL; |
273 | } |
274 | } |
275 | assert(newnode->count != mallocfailat); |
276 | memset(&newnode->data,0xc7,sz); |
277 | return &newnode->data; |
278 | } |
279 | |
280 | void Hfree(void *ptr) { |
281 | struct malloced *oldnode; |
282 | |
283 | if (!ptr) return; |
284 | |
285 | oldnode= (void*)((char*)ptr - MALLOCHSZ); |
286 | LIST_UNLINK(mallocedlist,oldnode); |
287 | memset(&oldnode->data,0x38,oldnode->sz); |
288 | free(oldnode); |
289 | } |
290 | |
291 | void *Hrealloc(void *op, size_t nsz) { |
292 | struct malloced *oldnode; |
293 | void *np; |
294 | size_t osz; |
295 | |
296 | if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; } |
297 | np= Hmalloc(nsz); |
298 | memcpy(np,op, osz>nsz ? nsz : osz); |
299 | Hfree(op); |
300 | return np; |
301 | } |
302 | |
303 | void Hexit(int rv) { |
304 | struct malloced *loopnode; |
305 | |
306 | Tshutdown(); |
307 | adns__vbuf_free(&vb); |
308 | adns__vbuf_free(&vbw); |
309 | if (mallocedlist.head) { |
310 | fprintf(stderr,"adns test harness: memory leaked:"); |
311 | for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next) |
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312 | fprintf(stderr," %lu",loopnode->count); |
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313 | putc('\n',stderr); |
314 | if (ferror(stderr)) exit(-1); |
315 | } |
316 | exit(rv); |
317 | } |
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318 | |
319 | pid_t Hgetpid(void) { |
320 | return 2264; /* just some number */ |
321 | } |
322 | |