Annotation of src/usr.bin/sendbug/sendbug.c, Revision 1.36
1.35 ray 1: /* $OpenBSD: sendbug.c,v 1.34 2007/03/28 04:05:52 ray Exp $ */
1.1 ray 2:
3: /*
4: * Written by Ray Lai <ray@cyth.net>.
5: * Public domain.
6: */
7:
8: #include <sys/types.h>
9: #include <sys/mman.h>
10: #include <sys/param.h>
11: #include <sys/stat.h>
12: #include <sys/sysctl.h>
13: #include <sys/wait.h>
14:
1.13 ray 15: #include <ctype.h>
1.1 ray 16: #include <err.h>
17: #include <errno.h>
18: #include <fcntl.h>
19: #include <limits.h>
20: #include <paths.h>
21: #include <pwd.h>
1.15 deraadt 22: #include <signal.h>
1.1 ray 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26: #include <unistd.h>
27:
28: #include "atomicio.h"
29:
1.35 ray 30: #define _PATH_DMESG "/var/run/dmesg.boot"
31:
1.36 ! ray 32: void dmesg(FILE *);
1.21 deraadt 33: int editit(char *);
34: void init(void);
35: int prompt(void);
1.32 ray 36: int send_file(const char *, int);
1.21 deraadt 37: int sendmail(const char *);
38: void template(FILE *);
1.1 ray 39:
40: const char *categories = "system user library documentation ports kernel "
41: "alpha amd64 arm i386 m68k m88k mips ppc sgi sparc sparc64 vax";
1.11 deraadt 42: char *version = "4.2";
43:
44: struct passwd *pw;
1.14 deraadt 45: char os[BUFSIZ], rel[BUFSIZ], mach[BUFSIZ], details[BUFSIZ];
1.21 deraadt 46: char *fullname, *tmppath;
1.12 tedu 47: int wantcleanup;
1.11 deraadt 48:
1.12 tedu 49: __dead void
1.3 deraadt 50: usage(void)
51: {
1.35 ray 52: fprintf(stderr, "usage: sendbug [-DLPV]\n");
1.12 tedu 53: exit(1);
54: }
55:
56: void
57: cleanup()
58: {
59: if (wantcleanup && tmppath && unlink(tmppath) == -1)
60: warn("unlink");
1.3 deraadt 61: }
62:
1.12 tedu 63:
1.1 ray 64: int
65: main(int argc, char *argv[])
66: {
1.35 ray 67: int ch, c, Dflag = 0, fd, ret = 1;
1.15 deraadt 68: const char *tmpdir;
1.19 deraadt 69: struct stat sb;
1.15 deraadt 70: char *pr_form;
1.1 ray 71: time_t mtime;
1.2 deraadt 72: FILE *fp;
1.3 deraadt 73:
1.35 ray 74: while ((ch = getopt(argc, argv, "DLPV")) != -1)
1.3 deraadt 75: switch (ch) {
1.35 ray 76: case 'D':
77: Dflag = 1;
78: break;
1.3 deraadt 79: case 'L':
80: printf("Known categories:\n");
81: printf("%s\n\n", categories);
82: exit(0);
83: case 'P':
1.12 tedu 84: init();
1.3 deraadt 85: template(stdout);
86: exit(0);
1.5 deraadt 87: case 'V':
88: printf("%s\n", version);
89: exit(0);
1.3 deraadt 90: default:
91: usage();
1.7 deraadt 92: }
1.35 ray 93: argc -= optind;
94: argv += optind;
1.7 deraadt 95:
1.35 ray 96: if (argc > 1)
1.3 deraadt 97: usage();
1.1 ray 98:
99: if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0')
100: tmpdir = _PATH_TMP;
1.9 ray 101: if (asprintf(&tmppath, "%s%sp.XXXXXXXXXX", tmpdir,
1.19 deraadt 102: tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1)
1.12 tedu 103: err(1, "asprintf");
1.1 ray 104: if ((fd = mkstemp(tmppath)) == -1)
105: err(1, "mkstemp");
1.12 tedu 106: wantcleanup = 1;
107: atexit(cleanup);
1.19 deraadt 108: if ((fp = fdopen(fd, "w+")) == NULL)
1.12 tedu 109: err(1, "fdopen");
1.1 ray 110:
1.12 tedu 111: init();
1.1 ray 112:
1.10 deraadt 113: pr_form = getenv("PR_FORM");
114: if (pr_form) {
115: char buf[BUFSIZ];
116: size_t len;
117: FILE *frfp;
118:
119: frfp = fopen(pr_form, "r");
120: if (frfp == NULL) {
121: fprintf(stderr, "sendbug: can't seem to read your"
122: " template file (`%s'), ignoring PR_FORM\n",
123: pr_form);
124: template(fp);
125: } else {
126: while (!feof(frfp)) {
127: len = fread(buf, 1, sizeof buf, frfp);
128: if (len == 0)
129: break;
130: if (fwrite(buf, 1, len, fp) != len)
131: break;
132: }
133: fclose(frfp);
134: }
1.35 ray 135: } else {
1.10 deraadt 136: template(fp);
1.36 ! ray 137: if (!Dflag)
! 138: dmesg(fp);
1.35 ray 139: }
1.1 ray 140:
1.19 deraadt 141: if (fflush(fp) == EOF || fstat(fd, &sb) == -1 || fclose(fp) == EOF)
1.12 tedu 142: err(1, "error creating template");
1.1 ray 143: mtime = sb.st_mtime;
144:
145: edit:
1.28 ray 146: if (editit(tmppath) == -1 && errno != ECHILD)
147: err(1, "error running editor");
1.1 ray 148:
1.19 deraadt 149: if (stat(tmppath, &sb) == -1)
1.12 tedu 150: err(1, "stat");
1.19 deraadt 151: if (mtime == sb.st_mtime)
1.12 tedu 152: errx(1, "report unchanged, nothing sent");
1.1 ray 153:
154: prompt:
155: c = prompt();
156: switch (c) {
1.5 deraadt 157: case 'a':
158: case EOF:
1.12 tedu 159: wantcleanup = 0;
160: errx(1, "unsent report in %s", tmppath);
1.1 ray 161: case 'e':
162: goto edit;
163: case 's':
164: if (sendmail(tmppath) == -1)
165: goto quit;
166: break;
167: default:
168: goto prompt;
169: }
170:
171: ret = 0;
1.12 tedu 172: quit:
1.1 ray 173: return (ret);
1.36 ! ray 174: }
! 175:
! 176: void
! 177: dmesg(FILE *fp)
! 178: {
! 179: char buf[BUFSIZ];
! 180: FILE *dfp;
! 181: off_t offset = -1;
! 182:
! 183: dfp = fopen(_PATH_DMESG, "r");
! 184: if (dfp == NULL) {
! 185: warn("can't read dmesg");
! 186: return;
! 187: }
! 188:
! 189: fputs("\n"
! 190: "<dmesg is attached.>\n"
! 191: "<Feel free to delete or use the -D flag if it contains "
! 192: "sensitive information.>\n", fp);
! 193: /* Find last line starting with "OpenBSD". */
! 194: for (;;) {
! 195: off_t o;
! 196:
! 197: o = ftello(dfp);
! 198: if (fgets(buf, sizeof(buf), dfp) == NULL)
! 199: break;
! 200: if (!strncmp("OpenBSD ", buf, sizeof("OpenBSD ") - 1))
! 201: offset = o;
! 202: }
! 203: if (offset != -1) {
! 204: size_t len;
! 205:
! 206: clearerr(dfp);
! 207: fseeko(dfp, offset, SEEK_SET);
! 208: while (offset != -1 && !feof(dfp)) {
! 209: len = fread(buf, 1, sizeof buf, dfp);
! 210: if (len == 0)
! 211: break;
! 212: if (fwrite(buf, 1, len, fp) != len)
! 213: break;
! 214: }
! 215: }
! 216: fclose(dfp);
1.1 ray 217: }
218:
1.15 deraadt 219: int
220: editit(char *tmpfile)
221: {
1.19 deraadt 222: char *argp[] = {"sh", "-c", NULL, NULL}, *ed, *p;
1.25 ray 223: sig_t sighup, sigint, sigquit;
1.15 deraadt 224: pid_t pid, xpid;
1.21 deraadt 225: int st;
1.15 deraadt 226:
1.26 ray 227: ed = getenv("VISUAL");
228: if (ed == NULL || ed[0] == '\0')
229: ed = getenv("EDITOR");
230: if (ed == NULL || ed[0] == '\0')
1.15 deraadt 231: ed = _PATH_VI;
232: if (asprintf(&p, "%s %s", ed, tmpfile) == -1)
1.18 ray 233: return (-1);
1.15 deraadt 234: argp[2] = p;
235:
236: top:
1.25 ray 237: sighup = signal(SIGHUP, SIG_IGN);
238: sigint = signal(SIGINT, SIG_IGN);
239: sigquit = signal(SIGQUIT, SIG_IGN);
1.23 ray 240: if ((pid = fork()) == -1) {
1.16 ray 241: int saved_errno = errno;
242:
1.25 ray 243: (void)signal(SIGHUP, sighup);
244: (void)signal(SIGINT, sigint);
245: (void)signal(SIGQUIT, sigquit);
1.16 ray 246: if (saved_errno == EAGAIN) {
1.15 deraadt 247: sleep(1);
248: goto top;
249: }
1.27 ray 250: free(p);
1.24 ray 251: errno = saved_errno;
1.18 ray 252: return (-1);
1.15 deraadt 253: }
254: if (pid == 0) {
255: execv(_PATH_BSHELL, argp);
256: _exit(127);
257: }
258: free(p);
259: for (;;) {
1.30 ray 260: xpid = waitpid(pid, &st, WUNTRACED);
1.21 deraadt 261: if (xpid == -1) {
1.27 ray 262: if (errno != EINTR)
1.21 deraadt 263: return (-1);
264: } else if (WIFSTOPPED(st))
265: raise(WSTOPSIG(st));
1.29 ray 266: else
1.15 deraadt 267: break;
268: }
1.25 ray 269: (void)signal(SIGHUP, sighup);
270: (void)signal(SIGINT, sigint);
271: (void)signal(SIGQUIT, sigquit);
1.27 ray 272: if (!WIFEXITED(st) || WEXITSTATUS(st) != 0) {
273: errno = ECHILD;
1.18 ray 274: return (-1);
1.27 ray 275: }
1.18 ray 276: return (0);
1.15 deraadt 277: }
1.12 tedu 278:
1.1 ray 279: int
280: prompt(void)
281: {
282: int c, ret;
283:
284: fpurge(stdin);
285: fprintf(stderr, "a)bort, e)dit, or s)end: ");
286: fflush(stderr);
287: ret = getchar();
288: if (ret == EOF || ret == '\n')
289: return (ret);
290: do {
291: c = getchar();
292: } while (c != EOF && c != '\n');
293: return (ret);
294: }
295:
296: int
297: sendmail(const char *tmppath)
298: {
299: int filedes[2];
300:
301: if (pipe(filedes) == -1) {
302: warn("pipe: unsent report in %s", tmppath);
303: return (-1);
304: }
305: switch (fork()) {
306: case -1:
307: warn("fork error: unsent report in %s",
308: tmppath);
309: return (-1);
310: case 0:
311: close(filedes[1]);
312: if (dup2(filedes[0], STDIN_FILENO) == -1) {
313: warn("dup2 error: unsent report in %s",
314: tmppath);
315: return (-1);
316: }
317: close(filedes[0]);
318: execl("/usr/sbin/sendmail", "sendmail",
1.2 deraadt 319: "-oi", "-t", (void *)NULL);
1.1 ray 320: warn("sendmail error: unsent report in %s",
321: tmppath);
322: return (-1);
323: default:
324: close(filedes[0]);
325: /* Pipe into sendmail. */
326: if (send_file(tmppath, filedes[1]) == -1) {
327: warn("send_file error: unsent report in %s",
328: tmppath);
329: return (-1);
330: }
331: close(filedes[1]);
332: wait(NULL);
333: break;
334: }
335: return (0);
336: }
337:
1.12 tedu 338: void
1.1 ray 339: init(void)
340: {
1.33 ray 341: size_t amp, len, gecoslen, namelen;
1.1 ray 342: int sysname[2];
1.33 ray 343: char ch, *cp;
1.1 ray 344:
1.19 deraadt 345: if ((pw = getpwuid(getuid())) == NULL)
1.12 tedu 346: err(1, "getpwuid");
1.13 ray 347: namelen = strlen(pw->pw_name);
1.1 ray 348:
1.31 moritz 349: /* Count number of '&'. */
1.33 ray 350: for (amp = 0, cp = pw->pw_gecos; *cp && *cp != ','; ++cp)
351: if (*cp == '&')
1.31 moritz 352: ++amp;
1.33 ray 353:
354: /* Truncate gecos to full name. */
355: gecoslen = cp - pw->pw_gecos;
356: pw->pw_gecos[gecoslen] = '\0';
357:
1.31 moritz 358: /* Expanded str = orig str - '&' chars + concatenated logins. */
1.33 ray 359: len = gecoslen - amp + (amp * namelen) + 1;
360: if ((fullname = malloc(len)) == NULL)
1.12 tedu 361: err(1, "malloc");
1.19 deraadt 362:
1.33 ray 363: /* Upper case first char of login. */
364: ch = pw->pw_name[0];
365: pw->pw_name[0] = toupper((unsigned char)pw->pw_name[0]);
366:
367: cp = pw->pw_gecos;
368: fullname[0] = '\0';
369: while (cp != NULL) {
370: char *token;
371:
372: token = strsep(&cp, "&");
373: if (token != pw->pw_gecos &&
374: strlcat(fullname, pw->pw_name, len) >= len)
375: errx(1, "truncated string");
376: if (strlcat(fullname, token, len) >= len)
377: errx(1, "truncated string");
1.13 ray 378: }
1.33 ray 379: /* Restore case of first char of login. */
380: pw->pw_name[0] = ch;
1.1 ray 381:
382: sysname[0] = CTL_KERN;
383: sysname[1] = KERN_OSTYPE;
384: len = sizeof(os) - 1;
1.19 deraadt 385: if (sysctl(sysname, 2, &os, &len, NULL, 0) == -1)
1.12 tedu 386: err(1, "sysctl");
1.1 ray 387:
388: sysname[0] = CTL_KERN;
389: sysname[1] = KERN_OSRELEASE;
390: len = sizeof(rel) - 1;
1.19 deraadt 391: if (sysctl(sysname, 2, &rel, &len, NULL, 0) == -1)
1.12 tedu 392: err(1, "sysctl");
1.1 ray 393:
1.14 deraadt 394: sysname[0] = CTL_KERN;
395: sysname[1] = KERN_VERSION;
396: len = sizeof(details) - 1;
1.19 deraadt 397: if (sysctl(sysname, 2, &details, &len, NULL, 0) == -1)
1.14 deraadt 398: err(1, "sysctl");
399:
400: cp = strchr(details, '\n');
401: if (cp) {
402: cp++;
403: if (*cp)
404: *cp++ = '\t';
405: if (*cp)
406: *cp++ = '\t';
407: if (*cp)
408: *cp++ = '\t';
409: }
410:
1.1 ray 411: sysname[0] = CTL_HW;
412: sysname[1] = HW_MACHINE;
413: len = sizeof(mach) - 1;
1.19 deraadt 414: if (sysctl(sysname, 2, &mach, &len, NULL, 0) == -1)
1.12 tedu 415: err(1, "sysctl");
1.1 ray 416: }
417:
418: int
419: send_file(const char *file, int dst)
420: {
1.2 deraadt 421: int blank = 0;
422: size_t len;
423: char *buf;
1.1 ray 424: FILE *fp;
425:
426: if ((fp = fopen(file, "r")) == NULL)
427: return (-1);
428: while ((buf = fgetln(fp, &len))) {
429: /* Skip lines starting with "SENDBUG". */
430: if (len >= sizeof("SENDBUG") - 1 &&
431: memcmp(buf, "SENDBUG", sizeof("SENDBUG") - 1) == 0)
432: continue;
433: if (len == 1 && buf[0] == '\n')
434: blank = 1;
435: /* Skip comments, but only if we encountered a blank line. */
436: while (len) {
1.14 deraadt 437: char *sp = NULL, *ep = NULL;
1.1 ray 438: size_t copylen;
439:
440: if (blank && (sp = memchr(buf, '<', len)) != NULL)
441: ep = memchr(sp, '>', len - (sp - buf + 1));
442: /* Length of string before comment. */
1.4 ray 443: if (ep)
444: copylen = sp - buf;
445: else
446: copylen = len;
1.1 ray 447: if (atomicio(vwrite, dst, buf, copylen) != copylen) {
448: int saved_errno = errno;
449:
450: fclose(fp);
451: errno = saved_errno;
452: return (-1);
453: }
454: if (!ep)
455: break;
456: /* Skip comment. */
457: len -= ep - buf + 1;
458: buf = ep + 1;
459: }
460: }
461: fclose(fp);
462: return (0);
463: }
464:
465: void
466: template(FILE *fp)
467: {
468: fprintf(fp, "SENDBUG: -*- sendbug -*-\n");
1.19 deraadt 469: fprintf(fp, "SENDBUG: Lines starting with `SENDBUG' will"
470: " be removed automatically, as\n");
471: fprintf(fp, "SENDBUG: will all comments (text enclosed in `<' and `>').\n");
1.1 ray 472: fprintf(fp, "SENDBUG:\n");
473: fprintf(fp, "SENDBUG: Choose from the following categories:\n");
474: fprintf(fp, "SENDBUG:\n");
475: fprintf(fp, "SENDBUG: %s\n", categories);
476: fprintf(fp, "SENDBUG:\n");
477: fprintf(fp, "SENDBUG:\n");
478: fprintf(fp, "To: %s\n", "gnats@openbsd.org");
479: fprintf(fp, "Subject: \n");
480: fprintf(fp, "From: %s\n", pw->pw_name);
1.34 ray 481: fprintf(fp, "Cc: %s\n", pw->pw_name);
1.1 ray 482: fprintf(fp, "Reply-To: %s\n", pw->pw_name);
1.5 deraadt 483: fprintf(fp, "X-sendbug-version: %s\n", version);
1.1 ray 484: fprintf(fp, "\n");
485: fprintf(fp, "\n");
486: fprintf(fp, ">Submitter-Id:\tnet\n");
487: fprintf(fp, ">Originator:\t%s\n", fullname);
488: fprintf(fp, ">Organization:\n");
489: fprintf(fp, "net\n");
490: fprintf(fp, ">Synopsis:\t<synopsis of the problem (one line)>\n");
1.19 deraadt 491: fprintf(fp, ">Severity:\t"
492: "<[ non-critical | serious | critical ] (one line)>\n");
1.1 ray 493: fprintf(fp, ">Priority:\t<[ low | medium | high ] (one line)>\n");
494: fprintf(fp, ">Category:\t<PR category (one line)>\n");
1.19 deraadt 495: fprintf(fp, ">Class:\t\t"
496: "<[ sw-bug | doc-bug | change-request | support ] (one line)>\n");
1.1 ray 497: fprintf(fp, ">Release:\t<release number or tag (one line)>\n");
498: fprintf(fp, ">Environment:\n");
499: fprintf(fp, "\t<machine, os, target, libraries (multiple lines)>\n");
500: fprintf(fp, "\tSystem : %s %s\n", os, rel);
1.14 deraadt 501: fprintf(fp, "\tDetails : %s\n", details);
1.1 ray 502: fprintf(fp, "\tArchitecture: %s.%s\n", os, mach);
503: fprintf(fp, "\tMachine : %s\n", mach);
504: fprintf(fp, ">Description:\n");
505: fprintf(fp, "\t<precise description of the problem (multiple lines)>\n");
506: fprintf(fp, ">How-To-Repeat:\n");
1.19 deraadt 507: fprintf(fp, "\t<code/input/activities to reproduce the problem"
508: " (multiple lines)>\n");
1.1 ray 509: fprintf(fp, ">Fix:\n");
1.19 deraadt 510: fprintf(fp, "\t<how to correct or work around the problem,"
511: " if known (multiple lines)>\n");
1.1 ray 512: }
![[BACK]](/icons/back.gif){kind=icon}
Return to sendbug.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / sendbug