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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 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 | |
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32 | #include <sys/types.h> |
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33 | #include <sys/socket.h> |
34 | #include <netinet/in.h> |
35 | #include <arpa/inet.h> |
36 | |
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37 | #include <unistd.h> |
38 | #include <fcntl.h> |
39 | |
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40 | #include "harness.h" |
41 | #include "internal.h" |
42 | |
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43 | vbuf vb; |
44 | FILE *Toutputfile= 0; |
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45 | struct timeval currenttime; |
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46 | |
47 | const struct Terrno Terrnos[]= { |
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48 | { "EBADF", EBADF }, |
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49 | { "EAGAIN", EAGAIN }, |
50 | { "EINPROGRESS", EINPROGRESS }, |
51 | { "EINTR", EINTR }, |
52 | { "EINVAL", EINVAL }, |
53 | { "EMSGSIZE", EMSGSIZE }, |
54 | { "ENOBUFS", ENOBUFS }, |
55 | { "ENOENT", ENOENT }, |
56 | { "ENOPROTOOPT", ENOPROTOOPT }, |
57 | { "ENOSPC", ENOSPC }, |
58 | { "EWOULDBLOCK", EWOULDBLOCK }, |
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59 | { "EHOSTUNREACH", EHOSTUNREACH }, |
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60 | { "ECONNRESET", ECONNRESET }, |
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61 | { "ECONNREFUSED", ECONNREFUSED }, |
62 | { "EPIPE", EPIPE }, |
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63 | { 0, 0 } |
64 | }; |
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65 | |
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66 | static vbuf vbw; |
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67 | |
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68 | int Hgettimeofday(struct timeval *tv, struct timezone *tz) { |
69 | Tmust("gettimeofday","tz",!tz); |
70 | *tv= currenttime; |
71 | return 0; |
72 | } |
73 | |
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74 | int Hwritev(int fd, const struct iovec *vector, size_t count) { |
75 | size_t i; |
76 | |
77 | vbw.used= 0; |
78 | for (i=0; i<count; i++, vector++) { |
79 | if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem(); |
80 | } |
81 | return Hwrite(fd,vbw.buf,vbw.used); |
82 | } |
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83 | |
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84 | m4_define(`hm_syscall', ` |
85 | hm_create_proto_q |
86 | void Q$1(hm_args_massage($3,void)) { |
87 | |
88 | vb.used= 0; |
89 | Tvba("$1"); |
90 | m4_define(`hm_na',`') |
91 | m4_define(`hm_arg_nullptr',`') |
92 | m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);') |
93 | m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);') |
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94 | m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);') |
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95 | m4_define(`hm_arg_timeval_in_rel_null', ` |
96 | if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec); |
97 | else Tvba(" $'`1=null");') |
98 | m4_define(`hm_arg_must', `') |
99 | m4_define(`hm_arg_socktype', ` |
100 | Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");') |
101 | m4_define(`hm_arg_ign', `') |
102 | m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);') |
103 | m4_define(`hm_arg_fcntl_cmd_arg', ` |
104 | if ($'`1 == F_SETFL) { |
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105 | Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&..."); |
106 | } else if ($'`1 == F_GETFL) { |
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107 | Tvba(" $'`1=F_GETFL"); |
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108 | } else { |
109 | Tmust("$'`1","F_GETFL/F_SETFL",0); |
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110 | }') |
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111 | m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);') |
112 | m4_define(`hm_arg_bytes_in', `') |
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113 | m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);') |
114 | m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);') |
115 | $3 |
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116 | |
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117 | hm_create_nothing |
118 | m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);') |
119 | $3 |
120 | |
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121 | Q_vb(); |
122 | } |
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123 | ') |
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124 | |
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125 | m4_include(`hsyscalls.i4') |
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126 | |
127 | |
128 | void Tvbaddr(const struct sockaddr *addr, int len) { |
129 | const struct sockaddr_in *ai= (const struct sockaddr_in*)addr; |
130 | |
131 | assert(len==sizeof(struct sockaddr_in)); |
132 | assert(ai->sin_family==AF_INET); |
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133 | Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port)); |
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134 | } |
135 | |
136 | void Tvbbytes(const void *buf, int len) { |
137 | const byte *bp; |
138 | int i; |
139 | |
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140 | if (!len) { Tvba("\n ."); return; } |
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141 | for (i=0, bp=buf; i<len; i++, bp++) { |
142 | if (!(i&31)) Tvba("\n "); |
143 | else if (!(i&3)) Tvba(" "); |
144 | Tvbf("%02x",*bp); |
145 | } |
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146 | Tvba("."); |
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147 | } |
148 | |
149 | void Tvbfdset(int max, const fd_set *fds) { |
150 | int i; |
151 | const char *comma= ""; |
152 | |
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153 | Tvba("["); |
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154 | for (i=0; i<max; i++) { |
155 | if (!FD_ISSET(i,fds)) continue; |
156 | Tvba(comma); |
157 | Tvbf("%d",i); |
158 | comma= ","; |
159 | } |
160 | Tvba("]"); |
161 | } |
162 | |
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163 | static void Tvbpollevents(int events) { |
164 | const char *delim= ""; |
165 | |
166 | events &= (POLLIN|POLLOUT|POLLPRI); |
167 | if (!events) { Tvba("0"); return; } |
168 | if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; } |
169 | if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; } |
170 | if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); } |
171 | } |
172 | |
173 | void Tvbpollfds(const struct pollfd *fds, int nfds) { |
174 | const char *comma= ""; |
175 | |
176 | Tvba("["); |
177 | while (nfds>0) { |
178 | Tvba(comma); |
179 | Tvbf("{fd=%d, events=",fds->fd); |
180 | Tvbpollevents(fds->events); |
181 | Tvba(", revents="); |
182 | Tvbpollevents(fds->revents); |
183 | Tvba("}"); |
184 | comma= ", "; |
185 | nfds--; fds++; |
186 | } |
187 | Tvba("]"); |
188 | } |
189 | |
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190 | void Tvberrno(int e) { |
191 | const struct Terrno *te; |
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192 | |
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193 | for (te= Terrnos; te->n && te->v != e; te++); |
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194 | assert(te->n); |
195 | Tvba(te->n); |
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196 | } |
197 | |
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198 | void Tvba(const char *str) { |
199 | if (!adns__vbuf_appendstr(&vb,str)) Tnomem(); |
200 | } |
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201 | |
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202 | void Tvbvf(const char *fmt, va_list al) { |
203 | char buf[1000]; |
204 | buf[sizeof(buf)-2]= '\t'; |
205 | vsnprintf(buf,sizeof(buf),fmt,al); |
206 | assert(buf[sizeof(buf)-2] == '\t'); |
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207 | |
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208 | Tvba(buf); |
209 | } |
210 | |
211 | void Tvbf(const char *fmt, ...) { |
212 | va_list al; |
213 | va_start(al,fmt); |
214 | Tvbvf(fmt,al); |
215 | va_end(al); |
216 | } |
217 | |
218 | |
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219 | void Tmust(const char *call, const char *arg, int cond) { |
220 | if (cond) return; |
221 | fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg); |
222 | exit(-1); |
223 | } |
224 | |
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225 | void Tfailed(const char *why) { |
226 | fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno)); |
227 | exit(-1); |
228 | } |
229 | |
230 | void Tnomem(void) { |
231 | Tfailed("unable to malloc/realloc"); |
232 | } |
233 | |
234 | void Toutputerr(void) { |
235 | Tfailed("write error on test harness output"); |
236 | } |
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237 | |
238 | struct malloced { |
239 | struct malloced *next, *back; |
240 | size_t sz; |
241 | unsigned long count; |
242 | struct { double d; long ul; void *p; void (*fp)(void); } data; |
243 | }; |
244 | |
245 | static unsigned long malloccount, mallocfailat; |
246 | static struct { struct malloced *head, *tail; } mallocedlist; |
247 | |
248 | #define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head) |
249 | |
250 | void *Hmalloc(size_t sz) { |
251 | struct malloced *newnode; |
252 | const char *mfavar; |
253 | char *ep; |
254 | |
255 | assert(sz); |
256 | |
257 | newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem(); |
258 | |
259 | LIST_LINK_TAIL(mallocedlist,newnode); |
260 | newnode->sz= sz; |
261 | newnode->count= ++malloccount; |
262 | if (!mallocfailat) { |
263 | mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT"); |
264 | if (mfavar) { |
265 | mallocfailat= strtoul(mfavar,&ep,10); |
266 | if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value"); |
267 | } else { |
268 | mallocfailat= ~0UL; |
269 | } |
270 | } |
271 | assert(newnode->count != mallocfailat); |
272 | memset(&newnode->data,0xc7,sz); |
273 | return &newnode->data; |
274 | } |
275 | |
276 | void Hfree(void *ptr) { |
277 | struct malloced *oldnode; |
278 | |
279 | if (!ptr) return; |
280 | |
281 | oldnode= (void*)((char*)ptr - MALLOCHSZ); |
282 | LIST_UNLINK(mallocedlist,oldnode); |
283 | memset(&oldnode->data,0x38,oldnode->sz); |
284 | free(oldnode); |
285 | } |
286 | |
287 | void *Hrealloc(void *op, size_t nsz) { |
288 | struct malloced *oldnode; |
289 | void *np; |
290 | size_t osz; |
291 | |
292 | if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; } |
293 | np= Hmalloc(nsz); |
294 | memcpy(np,op, osz>nsz ? nsz : osz); |
295 | Hfree(op); |
296 | return np; |
297 | } |
298 | |
299 | void Hexit(int rv) { |
300 | struct malloced *loopnode; |
301 | |
302 | Tshutdown(); |
303 | adns__vbuf_free(&vb); |
304 | adns__vbuf_free(&vbw); |
305 | if (mallocedlist.head) { |
306 | fprintf(stderr,"adns test harness: memory leaked:"); |
307 | for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next) |
308 | fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz); |
309 | putc('\n',stderr); |
310 | if (ferror(stderr)) exit(-1); |
311 | } |
312 | exit(rv); |
313 | } |