Annotation of src/usr.bin/sendbug/sendbug.c, Revision 1.79
1.79 ! jca 1: /* $OpenBSD: sendbug.c,v 1.78 2017/08/21 21:41:13 deraadt 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/stat.h>
10: #include <sys/sysctl.h>
11: #include <sys/wait.h>
12:
1.13 ray 13: #include <ctype.h>
1.1 ray 14: #include <err.h>
15: #include <errno.h>
16: #include <fcntl.h>
17: #include <limits.h>
18: #include <paths.h>
19: #include <pwd.h>
1.15 deraadt 20: #include <signal.h>
1.1 ray 21: #include <stdio.h>
22: #include <stdlib.h>
23: #include <string.h>
24: #include <unistd.h>
25:
26: #include "atomicio.h"
27:
1.35 ray 28: #define _PATH_DMESG "/var/run/dmesg.boot"
1.51 ray 29: #define DMESG_START "OpenBSD "
1.61 ray 30: #define BEGIN64 "begin-base64 "
31: #define END64 "===="
1.35 ray 32:
1.75 jca 33: void checkfile(const char *);
1.61 ray 34: void debase(void);
1.36 ray 35: void dmesg(FILE *);
1.42 ray 36: int editit(const char *);
1.61 ray 37: void hwdump(FILE *);
1.21 deraadt 38: void init(void);
1.40 ray 39: int matchline(const char *, const char *, size_t);
1.21 deraadt 40: int prompt(void);
1.32 ray 41: int send_file(const char *, int);
1.21 deraadt 42: int sendmail(const char *);
43: void template(FILE *);
1.65 sthen 44: void usbdevs(FILE *);
1.1 ray 45:
1.60 ray 46: const char *categories = "system user library documentation kernel "
1.79 ! jca 47: "alpha amd64 arm hppa i386 m88k mips64 powerpc riscv64 sh sparc64";
1.53 ray 48: const char *comment[] = {
49: "<synopsis of the problem (one line)>",
1.60 ray 50: "<PR category (one line)>",
1.53 ray 51: "<precise description of the problem (multiple lines)>",
52: "<code/input/activities to reproduce the problem (multiple lines)>",
53: "<how to correct or work around the problem, if known (multiple lines)>"
54: };
1.11 deraadt 55:
56: struct passwd *pw;
1.14 deraadt 57: char os[BUFSIZ], rel[BUFSIZ], mach[BUFSIZ], details[BUFSIZ];
1.73 deraadt 58: const char *tmpdir = _PATH_TMP;
1.62 ray 59: char *tmppath;
1.58 deraadt 60: int Dflag, Pflag, wantcleanup;
1.11 deraadt 61:
1.12 tedu 62: __dead void
1.3 deraadt 63: usage(void)
64: {
1.41 ray 65: extern char *__progname;
66:
1.72 deraadt 67: fprintf(stderr, "usage: %s [-DEP]\n", __progname);
1.12 tedu 68: exit(1);
69: }
70:
71: void
72: cleanup()
73: {
74: if (wantcleanup && tmppath && unlink(tmppath) == -1)
75: warn("unlink");
1.3 deraadt 76: }
77:
1.12 tedu 78:
1.1 ray 79: int
80: main(int argc, char *argv[])
81: {
1.47 ray 82: int ch, c, fd, ret = 1;
1.19 deraadt 83: struct stat sb;
1.15 deraadt 84: char *pr_form;
1.1 ray 85: time_t mtime;
1.2 deraadt 86: FILE *fp;
1.70 deraadt 87:
1.71 deraadt 88: if (pledge("stdio rpath wpath cpath tmppath getpw proc exec", NULL) == -1)
1.70 deraadt 89: err(1, "pledge");
1.3 deraadt 90:
1.72 deraadt 91: while ((ch = getopt(argc, argv, "DEP")) != -1)
1.3 deraadt 92: switch (ch) {
1.35 ray 93: case 'D':
94: Dflag = 1;
95: break;
1.61 ray 96: case 'E':
97: debase();
98: exit(0);
1.3 deraadt 99: case 'P':
1.58 deraadt 100: Pflag = 1;
101: break;
1.3 deraadt 102: default:
103: usage();
1.7 deraadt 104: }
1.35 ray 105: argc -= optind;
106: argv += optind;
1.7 deraadt 107:
1.37 ray 108: if (argc > 0)
1.3 deraadt 109: usage();
1.63 deraadt 110:
1.58 deraadt 111: if (Pflag) {
112: init();
113: template(stdout);
114: exit(0);
115: }
1.1 ray 116:
1.9 ray 117: if (asprintf(&tmppath, "%s%sp.XXXXXXXXXX", tmpdir,
1.19 deraadt 118: tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1)
1.12 tedu 119: err(1, "asprintf");
1.1 ray 120: if ((fd = mkstemp(tmppath)) == -1)
121: err(1, "mkstemp");
1.12 tedu 122: wantcleanup = 1;
123: atexit(cleanup);
1.19 deraadt 124: if ((fp = fdopen(fd, "w+")) == NULL)
1.12 tedu 125: err(1, "fdopen");
1.1 ray 126:
1.12 tedu 127: init();
1.1 ray 128:
1.10 deraadt 129: pr_form = getenv("PR_FORM");
130: if (pr_form) {
131: char buf[BUFSIZ];
132: size_t len;
133: FILE *frfp;
134:
135: frfp = fopen(pr_form, "r");
136: if (frfp == NULL) {
1.41 ray 137: warn("can't seem to read your template file "
138: "(`%s'), ignoring PR_FORM", pr_form);
1.10 deraadt 139: template(fp);
140: } else {
141: while (!feof(frfp)) {
142: len = fread(buf, 1, sizeof buf, frfp);
143: if (len == 0)
144: break;
145: if (fwrite(buf, 1, len, fp) != len)
146: break;
147: }
148: fclose(frfp);
149: }
1.47 ray 150: } else
1.10 deraadt 151: template(fp);
1.1 ray 152:
1.19 deraadt 153: if (fflush(fp) == EOF || fstat(fd, &sb) == -1 || fclose(fp) == EOF)
1.12 tedu 154: err(1, "error creating template");
1.1 ray 155: mtime = sb.st_mtime;
156:
157: edit:
1.48 ray 158: if (editit(tmppath) == -1)
1.28 ray 159: err(1, "error running editor");
1.1 ray 160:
1.19 deraadt 161: if (stat(tmppath, &sb) == -1)
1.12 tedu 162: err(1, "stat");
1.19 deraadt 163: if (mtime == sb.st_mtime)
1.12 tedu 164: errx(1, "report unchanged, nothing sent");
1.1 ray 165:
166: prompt:
1.75 jca 167: checkfile(tmppath);
1.1 ray 168: c = prompt();
169: switch (c) {
1.5 deraadt 170: case 'a':
171: case EOF:
1.12 tedu 172: wantcleanup = 0;
173: errx(1, "unsent report in %s", tmppath);
1.1 ray 174: case 'e':
175: goto edit;
176: case 's':
177: if (sendmail(tmppath) == -1)
178: goto quit;
179: break;
180: default:
181: goto prompt;
182: }
183:
184: ret = 0;
1.12 tedu 185: quit:
1.1 ray 186: return (ret);
1.36 ray 187: }
188:
189: void
190: dmesg(FILE *fp)
191: {
192: char buf[BUFSIZ];
193: FILE *dfp;
194: off_t offset = -1;
195:
196: dfp = fopen(_PATH_DMESG, "r");
197: if (dfp == NULL) {
198: warn("can't read dmesg");
199: return;
200: }
201:
1.51 ray 202: /* Find last dmesg. */
1.36 ray 203: for (;;) {
204: off_t o;
205:
206: o = ftello(dfp);
207: if (fgets(buf, sizeof(buf), dfp) == NULL)
208: break;
1.51 ray 209: if (!strncmp(DMESG_START, buf, sizeof(DMESG_START) - 1))
1.36 ray 210: offset = o;
211: }
212: if (offset != -1) {
213: size_t len;
214:
215: clearerr(dfp);
216: fseeko(dfp, offset, SEEK_SET);
217: while (offset != -1 && !feof(dfp)) {
218: len = fread(buf, 1, sizeof buf, dfp);
219: if (len == 0)
220: break;
221: if (fwrite(buf, 1, len, fp) != len)
222: break;
223: }
224: }
225: fclose(dfp);
1.1 ray 226: }
227:
1.65 sthen 228: void
229: usbdevs(FILE *ofp)
230: {
231: char buf[BUFSIZ];
232: FILE *ifp;
233: size_t len;
234:
235: if ((ifp = popen("usbdevs -v", "r")) != NULL) {
236: while (!feof(ifp)) {
237: len = fread(buf, 1, sizeof buf, ifp);
238: if (len == 0)
239: break;
240: if (fwrite(buf, 1, len, ofp) != len)
241: break;
242: }
1.66 sthen 243: pclose(ifp);
1.65 sthen 244: }
245: }
246:
1.48 ray 247: /*
248: * Execute an editor on the specified pathname, which is interpreted
249: * from the shell. This means flags may be included.
250: *
251: * Returns -1 on error, or the exit value on success.
252: */
1.15 deraadt 253: int
1.42 ray 254: editit(const char *pathname)
1.15 deraadt 255: {
1.19 deraadt 256: char *argp[] = {"sh", "-c", NULL, NULL}, *ed, *p;
1.52 deraadt 257: sig_t sighup, sigint, sigquit, sigchld;
1.42 ray 258: pid_t pid;
1.52 deraadt 259: int saved_errno, st, ret = -1;
1.15 deraadt 260:
1.26 ray 261: ed = getenv("VISUAL");
262: if (ed == NULL || ed[0] == '\0')
263: ed = getenv("EDITOR");
264: if (ed == NULL || ed[0] == '\0')
1.15 deraadt 265: ed = _PATH_VI;
1.38 ray 266: if (asprintf(&p, "%s %s", ed, pathname) == -1)
1.18 ray 267: return (-1);
1.15 deraadt 268: argp[2] = p;
269:
1.25 ray 270: sighup = signal(SIGHUP, SIG_IGN);
271: sigint = signal(SIGINT, SIG_IGN);
272: sigquit = signal(SIGQUIT, SIG_IGN);
1.52 deraadt 273: sigchld = signal(SIGCHLD, SIG_DFL);
1.49 ray 274: if ((pid = fork()) == -1)
275: goto fail;
1.15 deraadt 276: if (pid == 0) {
277: execv(_PATH_BSHELL, argp);
278: _exit(127);
279: }
1.78 deraadt 280: while (waitpid(pid, &st, 0) == -1) {
1.46 ray 281: if (errno != EINTR)
282: goto fail;
1.78 deraadt 283: }
1.52 deraadt 284: if (!WIFEXITED(st))
1.48 ray 285: errno = EINTR;
1.52 deraadt 286: else
287: ret = WEXITSTATUS(st);
1.46 ray 288:
289: fail:
290: saved_errno = errno;
291: (void)signal(SIGHUP, sighup);
292: (void)signal(SIGINT, sigint);
293: (void)signal(SIGQUIT, sigquit);
1.52 deraadt 294: (void)signal(SIGCHLD, sigchld);
1.46 ray 295: free(p);
296: errno = saved_errno;
1.52 deraadt 297: return (ret);
1.15 deraadt 298: }
1.12 tedu 299:
1.1 ray 300: int
301: prompt(void)
302: {
303: int c, ret;
304:
305: fpurge(stdin);
306: fprintf(stderr, "a)bort, e)dit, or s)end: ");
307: fflush(stderr);
308: ret = getchar();
309: if (ret == EOF || ret == '\n')
310: return (ret);
311: do {
312: c = getchar();
313: } while (c != EOF && c != '\n');
314: return (ret);
315: }
316:
317: int
1.38 ray 318: sendmail(const char *pathname)
1.1 ray 319: {
320: int filedes[2];
1.78 deraadt 321: pid_t pid;
1.1 ray 322:
323: if (pipe(filedes) == -1) {
1.38 ray 324: warn("pipe: unsent report in %s", pathname);
1.1 ray 325: return (-1);
326: }
1.78 deraadt 327: switch ((pid = fork())) {
1.1 ray 328: case -1:
329: warn("fork error: unsent report in %s",
1.38 ray 330: pathname);
1.1 ray 331: return (-1);
332: case 0:
333: close(filedes[1]);
334: if (dup2(filedes[0], STDIN_FILENO) == -1) {
335: warn("dup2 error: unsent report in %s",
1.38 ray 336: pathname);
1.1 ray 337: return (-1);
338: }
339: close(filedes[0]);
1.56 chl 340: execl(_PATH_SENDMAIL, "sendmail",
1.74 krw 341: "-oi", "-t", (char *)NULL);
1.1 ray 342: warn("sendmail error: unsent report in %s",
1.38 ray 343: pathname);
1.1 ray 344: return (-1);
345: default:
346: close(filedes[0]);
347: /* Pipe into sendmail. */
1.38 ray 348: if (send_file(pathname, filedes[1]) == -1) {
1.1 ray 349: warn("send_file error: unsent report in %s",
1.38 ray 350: pathname);
1.1 ray 351: return (-1);
352: }
353: close(filedes[1]);
1.78 deraadt 354: while (waitpid(pid, NULL, 0) == -1) {
355: if (errno != EINTR)
356: break;
357: }
1.1 ray 358: break;
359: }
360: return (0);
361: }
362:
1.12 tedu 363: void
1.1 ray 364: init(void)
365: {
1.62 ray 366: size_t len;
1.1 ray 367: int sysname[2];
1.62 ray 368: char *cp;
1.1 ray 369:
1.19 deraadt 370: if ((pw = getpwuid(getuid())) == NULL)
1.12 tedu 371: err(1, "getpwuid");
1.1 ray 372:
373: sysname[0] = CTL_KERN;
374: sysname[1] = KERN_OSTYPE;
375: len = sizeof(os) - 1;
1.19 deraadt 376: if (sysctl(sysname, 2, &os, &len, NULL, 0) == -1)
1.12 tedu 377: err(1, "sysctl");
1.1 ray 378:
379: sysname[0] = CTL_KERN;
380: sysname[1] = KERN_OSRELEASE;
381: len = sizeof(rel) - 1;
1.19 deraadt 382: if (sysctl(sysname, 2, &rel, &len, NULL, 0) == -1)
1.12 tedu 383: err(1, "sysctl");
1.1 ray 384:
1.14 deraadt 385: sysname[0] = CTL_KERN;
386: sysname[1] = KERN_VERSION;
387: len = sizeof(details) - 1;
1.19 deraadt 388: if (sysctl(sysname, 2, &details, &len, NULL, 0) == -1)
1.14 deraadt 389: err(1, "sysctl");
390:
391: cp = strchr(details, '\n');
392: if (cp) {
393: cp++;
394: if (*cp)
395: *cp++ = '\t';
396: if (*cp)
397: *cp++ = '\t';
398: if (*cp)
399: *cp++ = '\t';
400: }
401:
1.1 ray 402: sysname[0] = CTL_HW;
403: sysname[1] = HW_MACHINE;
404: len = sizeof(mach) - 1;
1.19 deraadt 405: if (sysctl(sysname, 2, &mach, &len, NULL, 0) == -1)
1.12 tedu 406: err(1, "sysctl");
1.1 ray 407: }
408:
409: int
410: send_file(const char *file, int dst)
411: {
1.2 deraadt 412: size_t len;
1.54 ray 413: char *buf, *lbuf;
1.1 ray 414: FILE *fp;
1.54 ray 415: int rval = -1, saved_errno;
1.1 ray 416:
417: if ((fp = fopen(file, "r")) == NULL)
418: return (-1);
1.54 ray 419: lbuf = NULL;
1.1 ray 420: while ((buf = fgetln(fp, &len))) {
1.55 ray 421: if (buf[len - 1] == '\n') {
1.54 ray 422: buf[len - 1] = '\0';
1.55 ray 423: --len;
424: } else {
1.54 ray 425: /* EOF without EOL, copy and add the NUL */
426: if ((lbuf = malloc(len + 1)) == NULL)
427: goto end;
428: memcpy(lbuf, buf, len);
429: lbuf[len] = '\0';
430: buf = lbuf;
431: }
432:
1.1 ray 433: /* Skip lines starting with "SENDBUG". */
1.54 ray 434: if (strncmp(buf, "SENDBUG", sizeof("SENDBUG") - 1) == 0)
1.1 ray 435: continue;
436: while (len) {
1.14 deraadt 437: char *sp = NULL, *ep = NULL;
1.1 ray 438: size_t copylen;
439:
1.54 ray 440: if ((sp = strchr(buf, '<')) != NULL) {
441: size_t i;
442:
443: for (i = 0; i < sizeof(comment) / sizeof(*comment); ++i) {
444: size_t commentlen = strlen(comment[i]);
445:
446: if (strncmp(sp, comment[i], commentlen) == 0) {
447: ep = sp + commentlen - 1;
448: break;
449: }
450: }
451: }
1.1 ray 452: /* Length of string before comment. */
1.4 ray 453: if (ep)
454: copylen = sp - buf;
455: else
456: copylen = len;
1.55 ray 457: if (atomicio(vwrite, dst, buf, copylen) != copylen)
1.54 ray 458: goto end;
1.1 ray 459: if (!ep)
460: break;
461: /* Skip comment. */
462: len -= ep - buf + 1;
463: buf = ep + 1;
464: }
1.55 ray 465: if (atomicio(vwrite, dst, "\n", 1) != 1)
466: goto end;
1.1 ray 467: }
1.54 ray 468: rval = 0;
469: end:
470: saved_errno = errno;
471: free(lbuf);
1.1 ray 472: fclose(fp);
1.54 ray 473: errno = saved_errno;
474: return (rval);
1.39 ray 475: }
476:
477: /*
478: * Does line start with `s' and end with non-comment and non-whitespace?
1.40 ray 479: * Note: Does not treat `line' as a C string.
1.39 ray 480: */
481: int
1.40 ray 482: matchline(const char *s, const char *line, size_t linelen)
1.39 ray 483: {
484: size_t slen;
1.53 ray 485: int iscomment;
1.39 ray 486:
487: slen = strlen(s);
488: /* Is line shorter than string? */
489: if (linelen <= slen)
490: return (0);
491: /* Does line start with string? */
492: if (memcmp(line, s, slen) != 0)
493: return (0);
494: /* Does line contain anything but comments and whitespace? */
495: line += slen;
496: linelen -= slen;
1.53 ray 497: iscomment = 0;
1.39 ray 498: while (linelen) {
1.53 ray 499: if (iscomment) {
1.39 ray 500: if (*line == '>')
1.53 ray 501: iscomment = 0;
1.39 ray 502: } else if (*line == '<')
1.53 ray 503: iscomment = 1;
1.40 ray 504: else if (!isspace((unsigned char)*line))
1.39 ray 505: return (1);
506: ++line;
507: --linelen;
508: }
509: return (0);
510: }
511:
512: /*
513: * Are all required fields filled out?
514: */
1.75 jca 515: void
1.39 ray 516: checkfile(const char *pathname)
517: {
518: FILE *fp;
519: size_t len;
1.76 jca 520: int category = 0, synopsis = 0, subject = 0;
1.39 ray 521: char *buf;
522:
523: if ((fp = fopen(pathname, "r")) == NULL) {
524: warn("%s", pathname);
1.75 jca 525: return;
1.39 ray 526: }
527: while ((buf = fgetln(fp, &len))) {
1.60 ray 528: if (matchline(">Category:", buf, len))
529: category = 1;
530: else if (matchline(">Synopsis:", buf, len))
531: synopsis = 1;
1.76 jca 532: else if (matchline("Subject:", buf, len))
533: subject = 1;
1.39 ray 534: }
535: fclose(fp);
1.76 jca 536: if (!category || !synopsis || !subject) {
1.75 jca 537: fprintf(stderr, "Some fields are blank, please fill them in: ");
1.76 jca 538: if (!subject)
539: fprintf(stderr, "Subject ");
1.75 jca 540: if (!synopsis)
541: fprintf(stderr, "Synopsis ");
542: if (!category)
543: fprintf(stderr, "Category ");
544: fputc('\n', stderr);
545: }
1.1 ray 546: }
547:
548: void
549: template(FILE *fp)
550: {
551: fprintf(fp, "SENDBUG: -*- sendbug -*-\n");
1.19 deraadt 552: fprintf(fp, "SENDBUG: Lines starting with `SENDBUG' will"
1.54 ray 553: " be removed automatically.\n");
1.1 ray 554: fprintf(fp, "SENDBUG:\n");
1.60 ray 555: fprintf(fp, "SENDBUG: Choose from the following categories:\n");
556: fprintf(fp, "SENDBUG:\n");
557: fprintf(fp, "SENDBUG: %s\n", categories);
558: fprintf(fp, "SENDBUG:\n");
559: fprintf(fp, "SENDBUG:\n");
1.67 phessler 560: fprintf(fp, "To: %s\n", "bugs@openbsd.org");
1.1 ray 561: fprintf(fp, "Subject: \n");
562: fprintf(fp, "From: %s\n", pw->pw_name);
1.34 ray 563: fprintf(fp, "Cc: %s\n", pw->pw_name);
1.1 ray 564: fprintf(fp, "Reply-To: %s\n", pw->pw_name);
565: fprintf(fp, "\n");
1.53 ray 566: fprintf(fp, ">Synopsis:\t%s\n", comment[0]);
1.60 ray 567: fprintf(fp, ">Category:\t%s\n", comment[1]);
1.1 ray 568: fprintf(fp, ">Environment:\n");
569: fprintf(fp, "\tSystem : %s %s\n", os, rel);
1.14 deraadt 570: fprintf(fp, "\tDetails : %s\n", details);
1.1 ray 571: fprintf(fp, "\tArchitecture: %s.%s\n", os, mach);
572: fprintf(fp, "\tMachine : %s\n", mach);
573: fprintf(fp, ">Description:\n");
1.60 ray 574: fprintf(fp, "\t%s\n", comment[2]);
1.1 ray 575: fprintf(fp, ">How-To-Repeat:\n");
1.60 ray 576: fprintf(fp, "\t%s\n", comment[3]);
1.1 ray 577: fprintf(fp, ">Fix:\n");
1.60 ray 578: fprintf(fp, "\t%s\n", comment[4]);
1.47 ray 579:
1.61 ray 580: if (!Dflag) {
581: int root;
582:
583: fprintf(fp, "\n");
584: root = !geteuid();
585: if (!root)
586: fprintf(fp, "SENDBUG: Run sendbug as root "
587: "if this is an ACPI report!\n");
1.65 sthen 588: fprintf(fp, "SENDBUG: dmesg%s and usbdevs are attached.\n"
589: "SENDBUG: Feel free to delete or use the -D flag if they "
590: "contain sensitive information.\n",
591: root ? ", pcidump, acpidump" : "");
1.61 ray 592: fputs("\ndmesg:\n", fp);
1.47 ray 593: dmesg(fp);
1.65 sthen 594: fputs("\nusbdevs:\n", fp);
595: usbdevs(fp);
1.61 ray 596: if (root)
597: hwdump(fp);
598: }
599: }
600:
601: void
602: hwdump(FILE *ofp)
603: {
604: char buf[BUFSIZ];
605: FILE *ifp;
606: char *cmd, *acpidir;
607: size_t len;
608:
609: if (asprintf(&acpidir, "%s%sp.XXXXXXXXXX", tmpdir,
610: tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1)
611: err(1, "asprintf");
612: if (mkdtemp(acpidir) == NULL)
613: err(1, "mkdtemp");
614:
615: if (asprintf(&cmd, "echo \"\\npcidump:\"; pcidump -xxv; "
1.77 kettenis 616: "echo \"\\nacpidump:\"; cd %s && cp /var/db/acpi/* .; "
1.61 ray 617: "for i in *; do b64encode $i $i; done; rm -rf %s",
1.77 kettenis 618: acpidir, acpidir) == -1)
1.61 ray 619: err(1, "asprintf");
620:
621: if ((ifp = popen(cmd, "r")) != NULL) {
622: while (!feof(ifp)) {
623: len = fread(buf, 1, sizeof buf, ifp);
624: if (len == 0)
625: break;
626: if (fwrite(buf, 1, len, ofp) != len)
627: break;
628: }
1.66 sthen 629: pclose(ifp);
1.61 ray 630: }
631: free(cmd);
1.64 deraadt 632: free(acpidir);
1.61 ray 633: }
634:
635: void
636: debase(void)
637: {
638: char buf[BUFSIZ];
639: FILE *fp = NULL;
640: size_t len;
641:
642: while (fgets(buf, sizeof(buf), stdin) != NULL) {
643: len = strlen(buf);
644: if (!strncmp(buf, BEGIN64, sizeof(BEGIN64) - 1)) {
645: if (fp)
646: errx(1, "double begin");
647: fp = popen("b64decode", "w");
648: if (!fp)
649: errx(1, "popen b64decode");
650: }
651: if (fp && fwrite(buf, 1, len, fp) != len)
652: errx(1, "pipe error");
653: if (!strncmp(buf, END64, sizeof(END64) - 1)) {
654: if (pclose(fp) == -1)
655: errx(1, "pclose b64decode");
656: fp = NULL;
657: }
658: }
1.1 ray 659: }
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