| 1 | m4_dnl hplayback.c.m4 |
| 2 | m4_dnl (part of complex test harness, not of the library) |
| 3 | m4_dnl - playback routines |
| 4 | |
| 5 | m4_dnl This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson |
| 6 | m4_dnl |
| 7 | m4_dnl This program is free software; you can redistribute it and/or modify |
| 8 | m4_dnl it under the terms of the GNU General Public License as published by |
| 9 | m4_dnl the Free Software Foundation; either version 2, or (at your option) |
| 10 | m4_dnl any later version. |
| 11 | m4_dnl |
| 12 | m4_dnl This program is distributed in the hope that it will be useful, |
| 13 | m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | m4_dnl GNU General Public License for more details. |
| 16 | m4_dnl |
| 17 | m4_dnl You should have received a copy of the GNU General Public License |
| 18 | m4_dnl along with this program; if not, write to the Free Software Foundation, |
| 19 | m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | |
| 21 | m4_include(hmacros.i4) |
| 22 | |
| 23 | #include <assert.h> |
| 24 | #include <string.h> |
| 25 | #include <fcntl.h> |
| 26 | #include <errno.h> |
| 27 | #include <stdlib.h> |
| 28 | |
| 29 | #include <sys/socket.h> |
| 30 | #include <netinet/in.h> |
| 31 | #include <arpa/inet.h> |
| 32 | |
| 33 | #include "harness.h" |
| 34 | |
| 35 | static FILE *Tinputfile, *Treportfile; |
| 36 | static vbuf vb2; |
| 37 | |
| 38 | static void Tensurereportfile(void) { |
| 39 | const char *fdstr; |
| 40 | int fd; |
| 41 | |
| 42 | Treportfile= stderr; |
| 43 | fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return; |
| 44 | fd= atoi(fdstr); |
| 45 | Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD"); |
| 46 | } |
| 47 | |
| 48 | static void Psyntax(const char *where) { |
| 49 | fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where); |
| 50 | exit(-1); |
| 51 | } |
| 52 | |
| 53 | static void Pcheckinput(void) { |
| 54 | if (ferror(Tinputfile)) Tfailed("read test log input file"); |
| 55 | if (feof(Tinputfile)) Psyntax("eof at syscall reply"); |
| 56 | } |
| 57 | |
| 58 | static void Tensureinputfile(void) { |
| 59 | const char *fdstr; |
| 60 | int fd; |
| 61 | int chars; |
| 62 | unsigned long sec, usec; |
| 63 | |
| 64 | if (Tinputfile) return; |
| 65 | Tinputfile= stdin; |
| 66 | fdstr= getenv("ADNS_TEST_IN_FD"); |
| 67 | if (fdstr) { |
| 68 | fd= atoi(fdstr); |
| 69 | Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD"); |
| 70 | } |
| 71 | |
| 72 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
| 73 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
| 74 | chars= -1; |
| 75 | sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars); |
| 76 | if (chars==-1) Psyntax("start time invalid"); |
| 77 | currenttime.tv_sec= sec; |
| 78 | currenttime.tv_usec= usec; |
| 79 | if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after start time"); |
| 80 | } |
| 81 | |
| 82 | static void Parg(const char *argname) { |
| 83 | int l; |
| 84 | |
| 85 | if (vb2.buf[vb2.used++] != hm_squote hm_squote) Psyntax("not a space before argument"); |
| 86 | l= strlen(argname); |
| 87 | if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong"); |
| 88 | vb2.used+= l; |
| 89 | if (vb2.buf[vb2.used++] != hm_squote=hm_squote) Psyntax("not = after argument name"); |
| 90 | } |
| 91 | |
| 92 | static int Perrno(const char *stuff) { |
| 93 | const struct Terrno *te; |
| 94 | int r; |
| 95 | char *ep; |
| 96 | |
| 97 | for (te= Terrnos; te->n && strcmp(te->n,stuff); te++); |
| 98 | if (te->n) return te->v; |
| 99 | r= strtoul(stuff+1,&ep,10); |
| 100 | if (ep) Psyntax("errno value not recognised, not numeric"); |
| 101 | return r; |
| 102 | } |
| 103 | |
| 104 | static void P_updatetime(void) { |
| 105 | int chars; |
| 106 | unsigned long sec, usec; |
| 107 | |
| 108 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
| 109 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
| 110 | chars= -1; |
| 111 | sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars); |
| 112 | if (chars==-1) Psyntax("update time invalid"); |
| 113 | currenttime.tv_sec+= sec; |
| 114 | currenttime.tv_usec+= usec; |
| 115 | if (currenttime.tv_usec > 1000000) { |
| 116 | currenttime.tv_sec++; |
| 117 | currenttime.tv_usec -= 1000000; |
| 118 | } |
| 119 | if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after update time"); |
| 120 | } |
| 121 | |
| 122 | static void Pfdset(fd_set *set, int max) { |
| 123 | int r, c; |
| 124 | char *ep; |
| 125 | |
| 126 | if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("fd set start not ["); |
| 127 | FD_ZERO(set); |
| 128 | for (;;) { |
| 129 | r= strtoul(vb2.buf+vb2.used,&ep,10); |
| 130 | if (r>=max) Psyntax("fd set member > max"); |
| 131 | FD_SET(r,set); |
| 132 | vb2.used= ep - (char*)vb2.buf; |
| 133 | c= vb2.buf[vb2.used++]; |
| 134 | if (c == hm_squote]hm_squote) break; |
| 135 | if (c != hm_squote,hm_squote) Psyntax("fd set separator not ,"); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | static void Paddr(struct sockaddr *addr, int *lenr) { |
| 140 | struct sockaddr_in *sa= (struct sockaddr_in*)addr; |
| 141 | char *p, *ep; |
| 142 | long ul; |
| 143 | |
| 144 | assert(*lenr >= sizeof(*sa)); |
| 145 | p= strchr(vb2.buf+vb2.used,':'); |
| 146 | if (!p) Psyntax("no port on address"); |
| 147 | *p++= 0; |
| 148 | memset(sa,0,sizeof(*sa)); |
| 149 | sa->sin_family= AF_INET; |
| 150 | if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address"); |
| 151 | ul= strtoul(p,&ep,10); |
| 152 | if (*ep && *ep != hm_squote hm_squote) Psyntax("invalid port (bad syntax)"); |
| 153 | if (ul >= 65536) Psyntax("port too large"); |
| 154 | sa->sin_port= htons(ul); |
| 155 | *lenr= sizeof(*sa); |
| 156 | |
| 157 | vb2.used= ep - (char*)vb2.buf; |
| 158 | } |
| 159 | |
| 160 | static int Pbytes(byte *buf, int maxlen) { |
| 161 | static const char hexdigits[]= "0123456789abcdef"; |
| 162 | |
| 163 | int c, v, done; |
| 164 | const char *pf; |
| 165 | |
| 166 | done= 0; |
| 167 | for (;;) { |
| 168 | c= getc(Tinputfile); Pcheckinput(); |
| 169 | if (c=='\n' || c==' ' || c=='\t') continue; |
| 170 | if (c=='.') break; |
| 171 | pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit"); |
| 172 | v= (pf-hexdigits)<<4; |
| 173 | c= getc(Tinputfile); Pcheckinput(); |
| 174 | pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit"); |
| 175 | v |= (pf-hexdigits); |
| 176 | if (maxlen<=0) Psyntax("buffer overflow in bytes"); |
| 177 | *buf++= v; |
| 178 | maxlen--; done++; |
| 179 | } |
| 180 | for (;;) { |
| 181 | c= getc(Tinputfile); Pcheckinput(); |
| 182 | if (c=='\n') return done; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | void Q_vb(void) { |
| 187 | int r; |
| 188 | |
| 189 | Tensureinputfile(); |
| 190 | if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem(); |
| 191 | r= fread(vb2.buf,1,vb.used+2,Tinputfile); |
| 192 | if (feof(Tinputfile)) { |
| 193 | fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n", |
| 194 | vb.used,vb.buf); |
| 195 | exit(-1); |
| 196 | } |
| 197 | Pcheckinput(); |
| 198 | if (vb2.buf[0] != hm_squote hm_squote) Psyntax("not space before call"); |
| 199 | if (memcmp(vb.buf,vb2.buf+1,vb.used) || |
| 200 | vb2.buf[vb.used+1] != hm_squote\nhm_squote) { |
| 201 | fprintf(stderr, |
| 202 | "adns test harness: program did unexpected:\n %.*s\n" |
| 203 | "was expecting:\n %.*s\n", |
| 204 | vb.used,vb.buf, vb.used,vb2.buf+1); |
| 205 | exit(1); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | m4_define(`hm_syscall', ` |
| 210 | hm_create_proto_h |
| 211 | int H$1(hm_args_massage($3,void)) { |
| 212 | int r; |
| 213 | m4_define(`hm_rv_fd',`char *ep;') |
| 214 | m4_define(`hm_rv_any',`char *ep;') |
| 215 | m4_define(`hm_rv_len',`') |
| 216 | m4_define(`hm_rv_must',`') |
| 217 | m4_define(`hm_rv_succfail',`') |
| 218 | $2 |
| 219 | |
| 220 | hm_create_hqcall_vars |
| 221 | $3 |
| 222 | |
| 223 | hm_create_hqcall_init($1) |
| 224 | $3 |
| 225 | |
| 226 | hm_create_hqcall_args |
| 227 | Q$1(hm_args_massage($3)); |
| 228 | |
| 229 | m4_define(`hm_r_offset',`m4_len(` $1=')') |
| 230 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
| 231 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
| 232 | |
| 233 | Tensurereportfile(); |
| 234 | fprintf(Treportfile,"syscallr %s",vb2.buf); |
| 235 | vb2.avail= strlen(vb2.buf); |
| 236 | if (vb.avail<=0 || vb2.buf[--vb2.avail]!=hm_squote\nhm_squote) |
| 237 | Psyntax("badly formed line"); |
| 238 | vb2.buf[vb2.avail]= 0; |
| 239 | if (memcmp(vb2.buf," $1=",hm_r_offset)) Psyntax("syscall reply mismatch"); |
| 240 | |
| 241 | if (vb2.buf[hm_r_offset] == hm_squoteEhm_squote) { |
| 242 | int e; |
| 243 | e= Perrno(vb2.buf+hm_r_offset); |
| 244 | P_updatetime(); |
| 245 | errno= e; |
| 246 | return -1; |
| 247 | } |
| 248 | |
| 249 | m4_define(`hm_rv_succfail',` |
| 250 | if (memcmp(vb2.buf+hm_r_offset,"OK",2)) Psyntax("success/fail not E* or OK"); |
| 251 | vb2.used= hm_r_offset+2; |
| 252 | r= 0; |
| 253 | ') |
| 254 | m4_define(`hm_rv_len',`hm_rv_succfail') |
| 255 | m4_define(`hm_rv_must',`hm_rv_succfail') |
| 256 | m4_define(`hm_rv_any',` |
| 257 | r= strtoul(vb2.buf+hm_r_offset,&ep,10); |
| 258 | if (*ep && *ep!=hm_squote hm_squote) Psyntax("return value not E* or positive number"); |
| 259 | vb2.used= ep - (char*)vb2.buf; |
| 260 | ') |
| 261 | m4_define(`hm_rv_fd',`hm_rv_any') |
| 262 | $2 |
| 263 | |
| 264 | hm_create_nothing |
| 265 | m4_define(`hm_arg_fdset_io',`Parg("$'`1"); Pfdset($'`1,$'`2);') |
| 266 | m4_define(`hm_arg_addr_out',`Parg("$'`1"); Paddr($'`1,$'`2);') |
| 267 | $3 |
| 268 | if (vb2.used != vb2.avail) Psyntax("junk at end of line"); |
| 269 | |
| 270 | hm_create_nothing |
| 271 | m4_define(`hm_arg_bytes_out',`r= Pbytes($'`2,$'`4);') |
| 272 | $3 |
| 273 | |
| 274 | P_updatetime(); |
| 275 | return r; |
| 276 | } |
| 277 | ') |
| 278 | |
| 279 | m4_include(`hsyscalls.i4') |