Annotation of src/usr.bin/sendbug/sendbug.c, Revision 1.76
1.75 jca 1: /* $OpenBSD: sendbug.c,v 1.74 2016/03/17 19:40:43 krw 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 "
1.68 miod 47: "alpha amd64 arm hppa i386 m88k mips64 powerpc sh sparc sparc64 vax";
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: }
1.46 ray 280: while (waitpid(pid, &st, 0) == -1)
281: if (errno != EINTR)
282: goto fail;
1.52 deraadt 283: if (!WIFEXITED(st))
1.48 ray 284: errno = EINTR;
1.52 deraadt 285: else
286: ret = WEXITSTATUS(st);
1.46 ray 287:
288: fail:
289: saved_errno = errno;
290: (void)signal(SIGHUP, sighup);
291: (void)signal(SIGINT, sigint);
292: (void)signal(SIGQUIT, sigquit);
1.52 deraadt 293: (void)signal(SIGCHLD, sigchld);
1.46 ray 294: free(p);
295: errno = saved_errno;
1.52 deraadt 296: return (ret);
1.15 deraadt 297: }
1.12 tedu 298:
1.1 ray 299: int
300: prompt(void)
301: {
302: int c, ret;
303:
304: fpurge(stdin);
305: fprintf(stderr, "a)bort, e)dit, or s)end: ");
306: fflush(stderr);
307: ret = getchar();
308: if (ret == EOF || ret == '\n')
309: return (ret);
310: do {
311: c = getchar();
312: } while (c != EOF && c != '\n');
313: return (ret);
314: }
315:
316: int
1.38 ray 317: sendmail(const char *pathname)
1.1 ray 318: {
319: int filedes[2];
320:
321: if (pipe(filedes) == -1) {
1.38 ray 322: warn("pipe: unsent report in %s", pathname);
1.1 ray 323: return (-1);
324: }
325: switch (fork()) {
326: case -1:
327: warn("fork error: unsent report in %s",
1.38 ray 328: pathname);
1.1 ray 329: return (-1);
330: case 0:
331: close(filedes[1]);
332: if (dup2(filedes[0], STDIN_FILENO) == -1) {
333: warn("dup2 error: unsent report in %s",
1.38 ray 334: pathname);
1.1 ray 335: return (-1);
336: }
337: close(filedes[0]);
1.56 chl 338: execl(_PATH_SENDMAIL, "sendmail",
1.74 krw 339: "-oi", "-t", (char *)NULL);
1.1 ray 340: warn("sendmail error: unsent report in %s",
1.38 ray 341: pathname);
1.1 ray 342: return (-1);
343: default:
344: close(filedes[0]);
345: /* Pipe into sendmail. */
1.38 ray 346: if (send_file(pathname, filedes[1]) == -1) {
1.1 ray 347: warn("send_file error: unsent report in %s",
1.38 ray 348: pathname);
1.1 ray 349: return (-1);
350: }
351: close(filedes[1]);
352: wait(NULL);
353: break;
354: }
355: return (0);
356: }
357:
1.12 tedu 358: void
1.1 ray 359: init(void)
360: {
1.62 ray 361: size_t len;
1.1 ray 362: int sysname[2];
1.62 ray 363: char *cp;
1.1 ray 364:
1.19 deraadt 365: if ((pw = getpwuid(getuid())) == NULL)
1.12 tedu 366: err(1, "getpwuid");
1.1 ray 367:
368: sysname[0] = CTL_KERN;
369: sysname[1] = KERN_OSTYPE;
370: len = sizeof(os) - 1;
1.19 deraadt 371: if (sysctl(sysname, 2, &os, &len, NULL, 0) == -1)
1.12 tedu 372: err(1, "sysctl");
1.1 ray 373:
374: sysname[0] = CTL_KERN;
375: sysname[1] = KERN_OSRELEASE;
376: len = sizeof(rel) - 1;
1.19 deraadt 377: if (sysctl(sysname, 2, &rel, &len, NULL, 0) == -1)
1.12 tedu 378: err(1, "sysctl");
1.1 ray 379:
1.14 deraadt 380: sysname[0] = CTL_KERN;
381: sysname[1] = KERN_VERSION;
382: len = sizeof(details) - 1;
1.19 deraadt 383: if (sysctl(sysname, 2, &details, &len, NULL, 0) == -1)
1.14 deraadt 384: err(1, "sysctl");
385:
386: cp = strchr(details, '\n');
387: if (cp) {
388: cp++;
389: if (*cp)
390: *cp++ = '\t';
391: if (*cp)
392: *cp++ = '\t';
393: if (*cp)
394: *cp++ = '\t';
395: }
396:
1.1 ray 397: sysname[0] = CTL_HW;
398: sysname[1] = HW_MACHINE;
399: len = sizeof(mach) - 1;
1.19 deraadt 400: if (sysctl(sysname, 2, &mach, &len, NULL, 0) == -1)
1.12 tedu 401: err(1, "sysctl");
1.1 ray 402: }
403:
404: int
405: send_file(const char *file, int dst)
406: {
1.2 deraadt 407: size_t len;
1.54 ray 408: char *buf, *lbuf;
1.1 ray 409: FILE *fp;
1.54 ray 410: int rval = -1, saved_errno;
1.1 ray 411:
412: if ((fp = fopen(file, "r")) == NULL)
413: return (-1);
1.54 ray 414: lbuf = NULL;
1.1 ray 415: while ((buf = fgetln(fp, &len))) {
1.55 ray 416: if (buf[len - 1] == '\n') {
1.54 ray 417: buf[len - 1] = '\0';
1.55 ray 418: --len;
419: } else {
1.54 ray 420: /* EOF without EOL, copy and add the NUL */
421: if ((lbuf = malloc(len + 1)) == NULL)
422: goto end;
423: memcpy(lbuf, buf, len);
424: lbuf[len] = '\0';
425: buf = lbuf;
426: }
427:
1.1 ray 428: /* Skip lines starting with "SENDBUG". */
1.54 ray 429: if (strncmp(buf, "SENDBUG", sizeof("SENDBUG") - 1) == 0)
1.1 ray 430: continue;
431: while (len) {
1.14 deraadt 432: char *sp = NULL, *ep = NULL;
1.1 ray 433: size_t copylen;
434:
1.54 ray 435: if ((sp = strchr(buf, '<')) != NULL) {
436: size_t i;
437:
438: for (i = 0; i < sizeof(comment) / sizeof(*comment); ++i) {
439: size_t commentlen = strlen(comment[i]);
440:
441: if (strncmp(sp, comment[i], commentlen) == 0) {
442: ep = sp + commentlen - 1;
443: break;
444: }
445: }
446: }
1.1 ray 447: /* Length of string before comment. */
1.4 ray 448: if (ep)
449: copylen = sp - buf;
450: else
451: copylen = len;
1.55 ray 452: if (atomicio(vwrite, dst, buf, copylen) != copylen)
1.54 ray 453: goto end;
1.1 ray 454: if (!ep)
455: break;
456: /* Skip comment. */
457: len -= ep - buf + 1;
458: buf = ep + 1;
459: }
1.55 ray 460: if (atomicio(vwrite, dst, "\n", 1) != 1)
461: goto end;
1.1 ray 462: }
1.54 ray 463: rval = 0;
464: end:
465: saved_errno = errno;
466: free(lbuf);
1.1 ray 467: fclose(fp);
1.54 ray 468: errno = saved_errno;
469: return (rval);
1.39 ray 470: }
471:
472: /*
473: * Does line start with `s' and end with non-comment and non-whitespace?
1.40 ray 474: * Note: Does not treat `line' as a C string.
1.39 ray 475: */
476: int
1.40 ray 477: matchline(const char *s, const char *line, size_t linelen)
1.39 ray 478: {
479: size_t slen;
1.53 ray 480: int iscomment;
1.39 ray 481:
482: slen = strlen(s);
483: /* Is line shorter than string? */
484: if (linelen <= slen)
485: return (0);
486: /* Does line start with string? */
487: if (memcmp(line, s, slen) != 0)
488: return (0);
489: /* Does line contain anything but comments and whitespace? */
490: line += slen;
491: linelen -= slen;
1.53 ray 492: iscomment = 0;
1.39 ray 493: while (linelen) {
1.53 ray 494: if (iscomment) {
1.39 ray 495: if (*line == '>')
1.53 ray 496: iscomment = 0;
1.39 ray 497: } else if (*line == '<')
1.53 ray 498: iscomment = 1;
1.40 ray 499: else if (!isspace((unsigned char)*line))
1.39 ray 500: return (1);
501: ++line;
502: --linelen;
503: }
504: return (0);
505: }
506:
507: /*
508: * Are all required fields filled out?
509: */
1.75 jca 510: void
1.39 ray 511: checkfile(const char *pathname)
512: {
513: FILE *fp;
514: size_t len;
1.76 ! jca 515: int category = 0, synopsis = 0, subject = 0;
1.39 ray 516: char *buf;
517:
518: if ((fp = fopen(pathname, "r")) == NULL) {
519: warn("%s", pathname);
1.75 jca 520: return;
1.39 ray 521: }
522: while ((buf = fgetln(fp, &len))) {
1.60 ray 523: if (matchline(">Category:", buf, len))
524: category = 1;
525: else if (matchline(">Synopsis:", buf, len))
526: synopsis = 1;
1.76 ! jca 527: else if (matchline("Subject:", buf, len))
! 528: subject = 1;
1.39 ray 529: }
530: fclose(fp);
1.76 ! jca 531: if (!category || !synopsis || !subject) {
1.75 jca 532: fprintf(stderr, "Some fields are blank, please fill them in: ");
1.76 ! jca 533: if (!subject)
! 534: fprintf(stderr, "Subject ");
1.75 jca 535: if (!synopsis)
536: fprintf(stderr, "Synopsis ");
537: if (!category)
538: fprintf(stderr, "Category ");
539: fputc('\n', stderr);
540: }
1.1 ray 541: }
542:
543: void
544: template(FILE *fp)
545: {
546: fprintf(fp, "SENDBUG: -*- sendbug -*-\n");
1.19 deraadt 547: fprintf(fp, "SENDBUG: Lines starting with `SENDBUG' will"
1.54 ray 548: " be removed automatically.\n");
1.1 ray 549: fprintf(fp, "SENDBUG:\n");
1.60 ray 550: fprintf(fp, "SENDBUG: Choose from the following categories:\n");
551: fprintf(fp, "SENDBUG:\n");
552: fprintf(fp, "SENDBUG: %s\n", categories);
553: fprintf(fp, "SENDBUG:\n");
554: fprintf(fp, "SENDBUG:\n");
1.67 phessler 555: fprintf(fp, "To: %s\n", "bugs@openbsd.org");
1.1 ray 556: fprintf(fp, "Subject: \n");
557: fprintf(fp, "From: %s\n", pw->pw_name);
1.34 ray 558: fprintf(fp, "Cc: %s\n", pw->pw_name);
1.1 ray 559: fprintf(fp, "Reply-To: %s\n", pw->pw_name);
560: fprintf(fp, "\n");
1.53 ray 561: fprintf(fp, ">Synopsis:\t%s\n", comment[0]);
1.60 ray 562: fprintf(fp, ">Category:\t%s\n", comment[1]);
1.1 ray 563: fprintf(fp, ">Environment:\n");
564: fprintf(fp, "\tSystem : %s %s\n", os, rel);
1.14 deraadt 565: fprintf(fp, "\tDetails : %s\n", details);
1.1 ray 566: fprintf(fp, "\tArchitecture: %s.%s\n", os, mach);
567: fprintf(fp, "\tMachine : %s\n", mach);
568: fprintf(fp, ">Description:\n");
1.60 ray 569: fprintf(fp, "\t%s\n", comment[2]);
1.1 ray 570: fprintf(fp, ">How-To-Repeat:\n");
1.60 ray 571: fprintf(fp, "\t%s\n", comment[3]);
1.1 ray 572: fprintf(fp, ">Fix:\n");
1.60 ray 573: fprintf(fp, "\t%s\n", comment[4]);
1.47 ray 574:
1.61 ray 575: if (!Dflag) {
576: int root;
577:
578: fprintf(fp, "\n");
579: root = !geteuid();
580: if (!root)
581: fprintf(fp, "SENDBUG: Run sendbug as root "
582: "if this is an ACPI report!\n");
1.65 sthen 583: fprintf(fp, "SENDBUG: dmesg%s and usbdevs are attached.\n"
584: "SENDBUG: Feel free to delete or use the -D flag if they "
585: "contain sensitive information.\n",
586: root ? ", pcidump, acpidump" : "");
1.61 ray 587: fputs("\ndmesg:\n", fp);
1.47 ray 588: dmesg(fp);
1.65 sthen 589: fputs("\nusbdevs:\n", fp);
590: usbdevs(fp);
1.61 ray 591: if (root)
592: hwdump(fp);
593: }
594: }
595:
596: void
597: hwdump(FILE *ofp)
598: {
599: char buf[BUFSIZ];
600: FILE *ifp;
601: char *cmd, *acpidir;
602: size_t len;
603:
604: if (gethostname(buf, sizeof(buf)) == -1)
605: err(1, "gethostname");
606: buf[strcspn(buf, ".")] = '\0';
607:
608: if (asprintf(&acpidir, "%s%sp.XXXXXXXXXX", tmpdir,
609: tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1)
610: err(1, "asprintf");
611: if (mkdtemp(acpidir) == NULL)
612: err(1, "mkdtemp");
613:
614: if (asprintf(&cmd, "echo \"\\npcidump:\"; pcidump -xxv; "
615: "echo \"\\nacpidump:\"; cd %s && acpidump -o %s; "
616: "for i in *; do b64encode $i $i; done; rm -rf %s",
617: acpidir, buf, acpidir) == -1)
618: err(1, "asprintf");
619:
620: if ((ifp = popen(cmd, "r")) != NULL) {
621: while (!feof(ifp)) {
622: len = fread(buf, 1, sizeof buf, ifp);
623: if (len == 0)
624: break;
625: if (fwrite(buf, 1, len, ofp) != len)
626: break;
627: }
1.66 sthen 628: pclose(ifp);
1.61 ray 629: }
630: free(cmd);
1.64 deraadt 631: free(acpidir);
1.61 ray 632: }
633:
634: void
635: debase(void)
636: {
637: char buf[BUFSIZ];
638: FILE *fp = NULL;
639: size_t len;
640:
641: while (fgets(buf, sizeof(buf), stdin) != NULL) {
642: len = strlen(buf);
643: if (!strncmp(buf, BEGIN64, sizeof(BEGIN64) - 1)) {
644: if (fp)
645: errx(1, "double begin");
646: fp = popen("b64decode", "w");
647: if (!fp)
648: errx(1, "popen b64decode");
649: }
650: if (fp && fwrite(buf, 1, len, fp) != len)
651: errx(1, "pipe error");
652: if (!strncmp(buf, END64, sizeof(END64) - 1)) {
653: if (pclose(fp) == -1)
654: errx(1, "pclose b64decode");
655: fp = NULL;
656: }
657: }
1.1 ray 658: }
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