Annotation of src/usr.bin/sendbug/sendbug.c, Revision 1.33
1.32 ray 1: /* $OpenBSD: sendbug.c,v 1.31 2007/03/26 18:13:08 moritz 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:
1.21 deraadt 30: int editit(char *);
31: void init(void);
32: int prompt(void);
1.32 ray 33: int send_file(const char *, int);
1.21 deraadt 34: int sendmail(const char *);
35: void template(FILE *);
1.1 ray 36:
37: const char *categories = "system user library documentation ports kernel "
38: "alpha amd64 arm i386 m68k m88k mips ppc sgi sparc sparc64 vax";
1.11 deraadt 39: char *version = "4.2";
40:
41: struct passwd *pw;
1.14 deraadt 42: char os[BUFSIZ], rel[BUFSIZ], mach[BUFSIZ], details[BUFSIZ];
1.21 deraadt 43: char *fullname, *tmppath;
1.12 tedu 44: int wantcleanup;
1.11 deraadt 45:
1.12 tedu 46: __dead void
1.3 deraadt 47: usage(void)
48: {
1.6 deraadt 49: fprintf(stderr, "usage: sendbug [-LPV]\n");
1.12 tedu 50: exit(1);
51: }
52:
53: void
54: cleanup()
55: {
56: if (wantcleanup && tmppath && unlink(tmppath) == -1)
57: warn("unlink");
1.3 deraadt 58: }
59:
1.12 tedu 60:
1.1 ray 61: int
62: main(int argc, char *argv[])
63: {
1.19 deraadt 64: int ch, c, fd, ret = 1;
1.15 deraadt 65: const char *tmpdir;
1.19 deraadt 66: struct stat sb;
1.15 deraadt 67: char *pr_form;
1.1 ray 68: time_t mtime;
1.2 deraadt 69: FILE *fp;
1.3 deraadt 70:
1.5 deraadt 71: while ((ch = getopt(argc, argv, "LPV")) != -1)
1.3 deraadt 72: switch (ch) {
73: case 'L':
74: printf("Known categories:\n");
75: printf("%s\n\n", categories);
76: exit(0);
77: case 'P':
1.12 tedu 78: init();
1.3 deraadt 79: template(stdout);
80: exit(0);
1.5 deraadt 81: case 'V':
82: printf("%s\n", version);
83: exit(0);
1.3 deraadt 84: default:
85: usage();
1.7 deraadt 86: }
87:
1.3 deraadt 88: if (argc > 1) {
89: usage();
90: }
1.1 ray 91:
92: if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0')
93: tmpdir = _PATH_TMP;
1.9 ray 94: if (asprintf(&tmppath, "%s%sp.XXXXXXXXXX", tmpdir,
1.19 deraadt 95: tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1)
1.12 tedu 96: err(1, "asprintf");
1.1 ray 97: if ((fd = mkstemp(tmppath)) == -1)
98: err(1, "mkstemp");
1.12 tedu 99: wantcleanup = 1;
100: atexit(cleanup);
1.19 deraadt 101: if ((fp = fdopen(fd, "w+")) == NULL)
1.12 tedu 102: err(1, "fdopen");
1.1 ray 103:
1.12 tedu 104: init();
1.1 ray 105:
1.10 deraadt 106: pr_form = getenv("PR_FORM");
107: if (pr_form) {
108: char buf[BUFSIZ];
109: size_t len;
110: FILE *frfp;
111:
112: frfp = fopen(pr_form, "r");
113: if (frfp == NULL) {
114: fprintf(stderr, "sendbug: can't seem to read your"
115: " template file (`%s'), ignoring PR_FORM\n",
116: pr_form);
117: template(fp);
118: } else {
119: while (!feof(frfp)) {
120: len = fread(buf, 1, sizeof buf, frfp);
121: if (len == 0)
122: break;
123: if (fwrite(buf, 1, len, fp) != len)
124: break;
125: }
126: fclose(frfp);
127: }
128: } else
129: template(fp);
1.1 ray 130:
1.19 deraadt 131: if (fflush(fp) == EOF || fstat(fd, &sb) == -1 || fclose(fp) == EOF)
1.12 tedu 132: err(1, "error creating template");
1.1 ray 133: mtime = sb.st_mtime;
134:
135: edit:
1.28 ray 136: if (editit(tmppath) == -1 && errno != ECHILD)
137: err(1, "error running editor");
1.1 ray 138:
1.19 deraadt 139: if (stat(tmppath, &sb) == -1)
1.12 tedu 140: err(1, "stat");
1.19 deraadt 141: if (mtime == sb.st_mtime)
1.12 tedu 142: errx(1, "report unchanged, nothing sent");
1.1 ray 143:
144: prompt:
145: c = prompt();
146: switch (c) {
1.5 deraadt 147: case 'a':
148: case EOF:
1.12 tedu 149: wantcleanup = 0;
150: errx(1, "unsent report in %s", tmppath);
1.1 ray 151: case 'e':
152: goto edit;
153: case 's':
154: if (sendmail(tmppath) == -1)
155: goto quit;
156: break;
157: default:
158: goto prompt;
159: }
160:
161: ret = 0;
1.12 tedu 162: quit:
1.1 ray 163: return (ret);
164: }
165:
1.15 deraadt 166: int
167: editit(char *tmpfile)
168: {
1.19 deraadt 169: char *argp[] = {"sh", "-c", NULL, NULL}, *ed, *p;
1.25 ray 170: sig_t sighup, sigint, sigquit;
1.15 deraadt 171: pid_t pid, xpid;
1.21 deraadt 172: int st;
1.15 deraadt 173:
1.26 ray 174: ed = getenv("VISUAL");
175: if (ed == NULL || ed[0] == '\0')
176: ed = getenv("EDITOR");
177: if (ed == NULL || ed[0] == '\0')
1.15 deraadt 178: ed = _PATH_VI;
179: if (asprintf(&p, "%s %s", ed, tmpfile) == -1)
1.18 ray 180: return (-1);
1.15 deraadt 181: argp[2] = p;
182:
183: top:
1.25 ray 184: sighup = signal(SIGHUP, SIG_IGN);
185: sigint = signal(SIGINT, SIG_IGN);
186: sigquit = signal(SIGQUIT, SIG_IGN);
1.23 ray 187: if ((pid = fork()) == -1) {
1.16 ray 188: int saved_errno = errno;
189:
1.25 ray 190: (void)signal(SIGHUP, sighup);
191: (void)signal(SIGINT, sigint);
192: (void)signal(SIGQUIT, sigquit);
1.16 ray 193: if (saved_errno == EAGAIN) {
1.15 deraadt 194: sleep(1);
195: goto top;
196: }
1.27 ray 197: free(p);
1.24 ray 198: errno = saved_errno;
1.18 ray 199: return (-1);
1.15 deraadt 200: }
201: if (pid == 0) {
202: execv(_PATH_BSHELL, argp);
203: _exit(127);
204: }
205: free(p);
206: for (;;) {
1.30 ray 207: xpid = waitpid(pid, &st, WUNTRACED);
1.21 deraadt 208: if (xpid == -1) {
1.27 ray 209: if (errno != EINTR)
1.21 deraadt 210: return (-1);
211: } else if (WIFSTOPPED(st))
212: raise(WSTOPSIG(st));
1.29 ray 213: else
1.15 deraadt 214: break;
215: }
1.25 ray 216: (void)signal(SIGHUP, sighup);
217: (void)signal(SIGINT, sigint);
218: (void)signal(SIGQUIT, sigquit);
1.27 ray 219: if (!WIFEXITED(st) || WEXITSTATUS(st) != 0) {
220: errno = ECHILD;
1.18 ray 221: return (-1);
1.27 ray 222: }
1.18 ray 223: return (0);
1.15 deraadt 224: }
1.12 tedu 225:
1.1 ray 226: int
227: prompt(void)
228: {
229: int c, ret;
230:
231: fpurge(stdin);
232: fprintf(stderr, "a)bort, e)dit, or s)end: ");
233: fflush(stderr);
234: ret = getchar();
235: if (ret == EOF || ret == '\n')
236: return (ret);
237: do {
238: c = getchar();
239: } while (c != EOF && c != '\n');
240: return (ret);
241: }
242:
243: int
244: sendmail(const char *tmppath)
245: {
246: int filedes[2];
247:
248: if (pipe(filedes) == -1) {
249: warn("pipe: unsent report in %s", tmppath);
250: return (-1);
251: }
252: switch (fork()) {
253: case -1:
254: warn("fork error: unsent report in %s",
255: tmppath);
256: return (-1);
257: case 0:
258: close(filedes[1]);
259: if (dup2(filedes[0], STDIN_FILENO) == -1) {
260: warn("dup2 error: unsent report in %s",
261: tmppath);
262: return (-1);
263: }
264: close(filedes[0]);
265: execl("/usr/sbin/sendmail", "sendmail",
1.2 deraadt 266: "-oi", "-t", (void *)NULL);
1.1 ray 267: warn("sendmail error: unsent report in %s",
268: tmppath);
269: return (-1);
270: default:
271: close(filedes[0]);
272: /* Pipe into sendmail. */
273: if (send_file(tmppath, filedes[1]) == -1) {
274: warn("send_file error: unsent report in %s",
275: tmppath);
276: return (-1);
277: }
278: close(filedes[1]);
279: wait(NULL);
280: break;
281: }
282: return (0);
283: }
284:
1.12 tedu 285: void
1.1 ray 286: init(void)
287: {
1.33 ! ray 288: size_t amp, len, gecoslen, namelen;
1.1 ray 289: int sysname[2];
1.33 ! ray 290: char ch, *cp;
1.1 ray 291:
1.19 deraadt 292: if ((pw = getpwuid(getuid())) == NULL)
1.12 tedu 293: err(1, "getpwuid");
1.13 ray 294: namelen = strlen(pw->pw_name);
1.1 ray 295:
1.31 moritz 296: /* Count number of '&'. */
1.33 ! ray 297: for (amp = 0, cp = pw->pw_gecos; *cp && *cp != ','; ++cp)
! 298: if (*cp == '&')
1.31 moritz 299: ++amp;
1.33 ! ray 300:
! 301: /* Truncate gecos to full name. */
! 302: gecoslen = cp - pw->pw_gecos;
! 303: pw->pw_gecos[gecoslen] = '\0';
! 304:
1.31 moritz 305: /* Expanded str = orig str - '&' chars + concatenated logins. */
1.33 ! ray 306: len = gecoslen - amp + (amp * namelen) + 1;
! 307: if ((fullname = malloc(len)) == NULL)
1.12 tedu 308: err(1, "malloc");
1.19 deraadt 309:
1.33 ! ray 310: /* Upper case first char of login. */
! 311: ch = pw->pw_name[0];
! 312: pw->pw_name[0] = toupper((unsigned char)pw->pw_name[0]);
! 313:
! 314: cp = pw->pw_gecos;
! 315: fullname[0] = '\0';
! 316: while (cp != NULL) {
! 317: char *token;
! 318:
! 319: token = strsep(&cp, "&");
! 320: if (token != pw->pw_gecos &&
! 321: strlcat(fullname, pw->pw_name, len) >= len)
! 322: errx(1, "truncated string");
! 323: if (strlcat(fullname, token, len) >= len)
! 324: errx(1, "truncated string");
1.13 ray 325: }
1.33 ! ray 326: /* Restore case of first char of login. */
! 327: pw->pw_name[0] = ch;
1.1 ray 328:
329: sysname[0] = CTL_KERN;
330: sysname[1] = KERN_OSTYPE;
331: len = sizeof(os) - 1;
1.19 deraadt 332: if (sysctl(sysname, 2, &os, &len, NULL, 0) == -1)
1.12 tedu 333: err(1, "sysctl");
1.1 ray 334:
335: sysname[0] = CTL_KERN;
336: sysname[1] = KERN_OSRELEASE;
337: len = sizeof(rel) - 1;
1.19 deraadt 338: if (sysctl(sysname, 2, &rel, &len, NULL, 0) == -1)
1.12 tedu 339: err(1, "sysctl");
1.1 ray 340:
1.14 deraadt 341: sysname[0] = CTL_KERN;
342: sysname[1] = KERN_VERSION;
343: len = sizeof(details) - 1;
1.19 deraadt 344: if (sysctl(sysname, 2, &details, &len, NULL, 0) == -1)
1.14 deraadt 345: err(1, "sysctl");
346:
347: cp = strchr(details, '\n');
348: if (cp) {
349: cp++;
350: if (*cp)
351: *cp++ = '\t';
352: if (*cp)
353: *cp++ = '\t';
354: if (*cp)
355: *cp++ = '\t';
356: }
357:
1.1 ray 358: sysname[0] = CTL_HW;
359: sysname[1] = HW_MACHINE;
360: len = sizeof(mach) - 1;
1.19 deraadt 361: if (sysctl(sysname, 2, &mach, &len, NULL, 0) == -1)
1.12 tedu 362: err(1, "sysctl");
1.1 ray 363: }
364:
365: int
366: send_file(const char *file, int dst)
367: {
1.2 deraadt 368: int blank = 0;
369: size_t len;
370: char *buf;
1.1 ray 371: FILE *fp;
372:
373: if ((fp = fopen(file, "r")) == NULL)
374: return (-1);
375: while ((buf = fgetln(fp, &len))) {
376: /* Skip lines starting with "SENDBUG". */
377: if (len >= sizeof("SENDBUG") - 1 &&
378: memcmp(buf, "SENDBUG", sizeof("SENDBUG") - 1) == 0)
379: continue;
380: if (len == 1 && buf[0] == '\n')
381: blank = 1;
382: /* Skip comments, but only if we encountered a blank line. */
383: while (len) {
1.14 deraadt 384: char *sp = NULL, *ep = NULL;
1.1 ray 385: size_t copylen;
386:
387: if (blank && (sp = memchr(buf, '<', len)) != NULL)
388: ep = memchr(sp, '>', len - (sp - buf + 1));
389: /* Length of string before comment. */
1.4 ray 390: if (ep)
391: copylen = sp - buf;
392: else
393: copylen = len;
1.1 ray 394: if (atomicio(vwrite, dst, buf, copylen) != copylen) {
395: int saved_errno = errno;
396:
397: fclose(fp);
398: errno = saved_errno;
399: return (-1);
400: }
401: if (!ep)
402: break;
403: /* Skip comment. */
404: len -= ep - buf + 1;
405: buf = ep + 1;
406: }
407: }
408: fclose(fp);
409: return (0);
410: }
411:
412: void
413: template(FILE *fp)
414: {
415: fprintf(fp, "SENDBUG: -*- sendbug -*-\n");
1.19 deraadt 416: fprintf(fp, "SENDBUG: Lines starting with `SENDBUG' will"
417: " be removed automatically, as\n");
418: fprintf(fp, "SENDBUG: will all comments (text enclosed in `<' and `>').\n");
1.1 ray 419: fprintf(fp, "SENDBUG:\n");
420: fprintf(fp, "SENDBUG: Choose from the following categories:\n");
421: fprintf(fp, "SENDBUG:\n");
422: fprintf(fp, "SENDBUG: %s\n", categories);
423: fprintf(fp, "SENDBUG:\n");
424: fprintf(fp, "SENDBUG:\n");
425: fprintf(fp, "To: %s\n", "gnats@openbsd.org");
426: fprintf(fp, "Subject: \n");
427: fprintf(fp, "From: %s\n", pw->pw_name);
428: fprintf(fp, "Cc: \n");
429: fprintf(fp, "Reply-To: %s\n", pw->pw_name);
1.5 deraadt 430: fprintf(fp, "X-sendbug-version: %s\n", version);
1.1 ray 431: fprintf(fp, "\n");
432: fprintf(fp, "\n");
433: fprintf(fp, ">Submitter-Id:\tnet\n");
434: fprintf(fp, ">Originator:\t%s\n", fullname);
435: fprintf(fp, ">Organization:\n");
436: fprintf(fp, "net\n");
437: fprintf(fp, ">Synopsis:\t<synopsis of the problem (one line)>\n");
1.19 deraadt 438: fprintf(fp, ">Severity:\t"
439: "<[ non-critical | serious | critical ] (one line)>\n");
1.1 ray 440: fprintf(fp, ">Priority:\t<[ low | medium | high ] (one line)>\n");
441: fprintf(fp, ">Category:\t<PR category (one line)>\n");
1.19 deraadt 442: fprintf(fp, ">Class:\t\t"
443: "<[ sw-bug | doc-bug | change-request | support ] (one line)>\n");
1.1 ray 444: fprintf(fp, ">Release:\t<release number or tag (one line)>\n");
445: fprintf(fp, ">Environment:\n");
446: fprintf(fp, "\t<machine, os, target, libraries (multiple lines)>\n");
447: fprintf(fp, "\tSystem : %s %s\n", os, rel);
1.14 deraadt 448: fprintf(fp, "\tDetails : %s\n", details);
1.1 ray 449: fprintf(fp, "\tArchitecture: %s.%s\n", os, mach);
450: fprintf(fp, "\tMachine : %s\n", mach);
451: fprintf(fp, ">Description:\n");
452: fprintf(fp, "\t<precise description of the problem (multiple lines)>\n");
453: fprintf(fp, ">How-To-Repeat:\n");
1.19 deraadt 454: fprintf(fp, "\t<code/input/activities to reproduce the problem"
455: " (multiple lines)>\n");
1.1 ray 456: fprintf(fp, ">Fix:\n");
1.19 deraadt 457: fprintf(fp, "\t<how to correct or work around the problem,"
458: " if known (multiple lines)>\n");
1.1 ray 459: }
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