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