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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_define(`hm_specsyscall', `') |
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126 | |
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127 | m4_include(`hsyscalls.i4') |
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128 | |
129 | void Tvbaddr(const struct sockaddr *addr, int len) { |
130 | const struct sockaddr_in *ai= (const struct sockaddr_in*)addr; |
131 | |
132 | assert(len==sizeof(struct sockaddr_in)); |
133 | assert(ai->sin_family==AF_INET); |
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134 | Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port)); |
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135 | } |
136 | |
137 | void Tvbbytes(const void *buf, int len) { |
138 | const byte *bp; |
139 | int i; |
140 | |
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141 | if (!len) { Tvba("\n ."); return; } |
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142 | for (i=0, bp=buf; i<len; i++, bp++) { |
143 | if (!(i&31)) Tvba("\n "); |
144 | else if (!(i&3)) Tvba(" "); |
145 | Tvbf("%02x",*bp); |
146 | } |
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147 | Tvba("."); |
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148 | } |
149 | |
150 | void Tvbfdset(int max, const fd_set *fds) { |
151 | int i; |
152 | const char *comma= ""; |
153 | |
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154 | Tvba("["); |
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155 | for (i=0; i<max; i++) { |
156 | if (!FD_ISSET(i,fds)) continue; |
157 | Tvba(comma); |
158 | Tvbf("%d",i); |
159 | comma= ","; |
160 | } |
161 | Tvba("]"); |
162 | } |
163 | |
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164 | static void Tvbpollevents(int events) { |
165 | const char *delim= ""; |
166 | |
167 | events &= (POLLIN|POLLOUT|POLLPRI); |
168 | if (!events) { Tvba("0"); return; } |
169 | if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; } |
170 | if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; } |
171 | if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); } |
172 | } |
173 | |
174 | void Tvbpollfds(const struct pollfd *fds, int nfds) { |
175 | const char *comma= ""; |
176 | |
177 | Tvba("["); |
178 | while (nfds>0) { |
179 | Tvba(comma); |
180 | Tvbf("{fd=%d, events=",fds->fd); |
181 | Tvbpollevents(fds->events); |
182 | Tvba(", revents="); |
183 | Tvbpollevents(fds->revents); |
184 | Tvba("}"); |
185 | comma= ", "; |
186 | nfds--; fds++; |
187 | } |
188 | Tvba("]"); |
189 | } |
190 | |
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191 | void Tvberrno(int e) { |
192 | const struct Terrno *te; |
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193 | |
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194 | for (te= Terrnos; te->n && te->v != e; te++); |
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195 | assert(te->n); |
196 | Tvba(te->n); |
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197 | } |
198 | |
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199 | void Tvba(const char *str) { |
200 | if (!adns__vbuf_appendstr(&vb,str)) Tnomem(); |
201 | } |
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202 | |
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203 | void Tvbvf(const char *fmt, va_list al) { |
204 | char buf[1000]; |
205 | buf[sizeof(buf)-2]= '\t'; |
206 | vsnprintf(buf,sizeof(buf),fmt,al); |
207 | assert(buf[sizeof(buf)-2] == '\t'); |
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208 | |
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209 | Tvba(buf); |
210 | } |
211 | |
212 | void Tvbf(const char *fmt, ...) { |
213 | va_list al; |
214 | va_start(al,fmt); |
215 | Tvbvf(fmt,al); |
216 | va_end(al); |
217 | } |
218 | |
219 | |
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220 | void Tmust(const char *call, const char *arg, int cond) { |
221 | if (cond) return; |
222 | fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg); |
223 | exit(-1); |
224 | } |
225 | |
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226 | void Tfailed(const char *why) { |
227 | fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno)); |
228 | exit(-1); |
229 | } |
230 | |
231 | void Tnomem(void) { |
232 | Tfailed("unable to malloc/realloc"); |
233 | } |
234 | |
235 | void Toutputerr(void) { |
236 | Tfailed("write error on test harness output"); |
237 | } |
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238 | |
239 | struct malloced { |
240 | struct malloced *next, *back; |
241 | size_t sz; |
242 | unsigned long count; |
243 | struct { double d; long ul; void *p; void (*fp)(void); } data; |
244 | }; |
245 | |
246 | static unsigned long malloccount, mallocfailat; |
247 | static struct { struct malloced *head, *tail; } mallocedlist; |
248 | |
249 | #define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head) |
250 | |
251 | void *Hmalloc(size_t sz) { |
252 | struct malloced *newnode; |
253 | const char *mfavar; |
254 | char *ep; |
255 | |
256 | assert(sz); |
257 | |
258 | newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem(); |
259 | |
260 | LIST_LINK_TAIL(mallocedlist,newnode); |
261 | newnode->sz= sz; |
262 | newnode->count= ++malloccount; |
263 | if (!mallocfailat) { |
264 | mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT"); |
265 | if (mfavar) { |
266 | mallocfailat= strtoul(mfavar,&ep,10); |
267 | if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value"); |
268 | } else { |
269 | mallocfailat= ~0UL; |
270 | } |
271 | } |
272 | assert(newnode->count != mallocfailat); |
273 | memset(&newnode->data,0xc7,sz); |
274 | return &newnode->data; |
275 | } |
276 | |
277 | void Hfree(void *ptr) { |
278 | struct malloced *oldnode; |
279 | |
280 | if (!ptr) return; |
281 | |
282 | oldnode= (void*)((char*)ptr - MALLOCHSZ); |
283 | LIST_UNLINK(mallocedlist,oldnode); |
284 | memset(&oldnode->data,0x38,oldnode->sz); |
285 | free(oldnode); |
286 | } |
287 | |
288 | void *Hrealloc(void *op, size_t nsz) { |
289 | struct malloced *oldnode; |
290 | void *np; |
291 | size_t osz; |
292 | |
293 | if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; } |
294 | np= Hmalloc(nsz); |
295 | memcpy(np,op, osz>nsz ? nsz : osz); |
296 | Hfree(op); |
297 | return np; |
298 | } |
299 | |
300 | void Hexit(int rv) { |
301 | struct malloced *loopnode; |
302 | |
303 | Tshutdown(); |
304 | adns__vbuf_free(&vb); |
305 | adns__vbuf_free(&vbw); |
306 | if (mallocedlist.head) { |
307 | fprintf(stderr,"adns test harness: memory leaked:"); |
308 | for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next) |
309 | fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz); |
310 | putc('\n',stderr); |
311 | if (ferror(stderr)) exit(-1); |
312 | } |
313 | exit(rv); |
314 | } |