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/* $OpenBSD: sendbug.c,v 1.78 2017/08/21 21:41:13 deraadt Exp $ */ |
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/* |
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* Written by Ray Lai <ray@cyth.net>. |
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* Public domain. |
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*/ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/sysctl.h> |
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#include <sys/wait.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <limits.h> |
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#include <paths.h> |
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#include <pwd.h> |
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#include <signal.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "atomicio.h" |
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#define _PATH_DMESG "/var/run/dmesg.boot" |
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#define DMESG_START "OpenBSD " |
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#define BEGIN64 "begin-base64 " |
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#define END64 "====" |
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void checkfile(const char *); |
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void debase(void); |
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void dmesg(FILE *); |
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int editit(const char *); |
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void hwdump(FILE *); |
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void init(void); |
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int matchline(const char *, const char *, size_t); |
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int prompt(void); |
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int send_file(const char *, int); |
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int sendmail(const char *); |
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void template(FILE *); |
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void usbdevs(FILE *); |
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const char *categories = "system user library documentation kernel " |
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"alpha amd64 arm hppa i386 m88k mips64 powerpc sh sparc sparc64 vax"; |
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const char *comment[] = { |
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"<synopsis of the problem (one line)>", |
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"<PR category (one line)>", |
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"<precise description of the problem (multiple lines)>", |
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"<code/input/activities to reproduce the problem (multiple lines)>", |
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"<how to correct or work around the problem, if known (multiple lines)>" |
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}; |
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struct passwd *pw; |
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char os[BUFSIZ], rel[BUFSIZ], mach[BUFSIZ], details[BUFSIZ]; |
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const char *tmpdir = _PATH_TMP; |
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char *tmppath; |
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int Dflag, Pflag, wantcleanup; |
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__dead void |
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usage(void) |
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{ |
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extern char *__progname; |
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fprintf(stderr, "usage: %s [-DEP]\n", __progname); |
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exit(1); |
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} |
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void |
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cleanup() |
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{ |
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if (wantcleanup && tmppath && unlink(tmppath) == -1) |
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warn("unlink"); |
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} |
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int |
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main(int argc, char *argv[]) |
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{ |
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int ch, c, fd, ret = 1; |
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struct stat sb; |
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char *pr_form; |
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time_t mtime; |
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FILE *fp; |
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if (pledge("stdio rpath wpath cpath tmppath getpw proc exec flock", NULL) == -1) |
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err(1, "pledge"); |
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while ((ch = getopt(argc, argv, "DEP")) != -1) |
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switch (ch) { |
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case 'D': |
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Dflag = 1; |
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break; |
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case 'E': |
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debase(); |
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exit(0); |
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case 'P': |
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Pflag = 1; |
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break; |
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default: |
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usage(); |
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} |
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argc -= optind; |
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argv += optind; |
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if (argc > 0) |
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usage(); |
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if (Pflag) { |
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init(); |
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template(stdout); |
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exit(0); |
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} |
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if (asprintf(&tmppath, "%s%sp.XXXXXXXXXX", tmpdir, |
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tmpdir[strlen(tmpdir) - 1] == '/' ? "" : "/") == -1) |
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err(1, "asprintf"); |
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if ((fd = mkstemp(tmppath)) == -1) |
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err(1, "mkstemp"); |
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wantcleanup = 1; |
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atexit(cleanup); |
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if ((fp = fdopen(fd, "w+")) == NULL) |
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err(1, "fdopen"); |
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init(); |
128 |
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129 |
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pr_form = getenv("PR_FORM"); |
130 |
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if (pr_form) { |
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char buf[BUFSIZ]; |
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size_t len; |
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FILE *frfp; |
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frfp = fopen(pr_form, "r"); |
136 |
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if (frfp == NULL) { |
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warn("can't seem to read your template file " |
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"(`%s'), ignoring PR_FORM", pr_form); |
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template(fp); |
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} else { |
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while (!feof(frfp)) { |
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len = fread(buf, 1, sizeof buf, frfp); |
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if (len == 0) |
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break; |
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if (fwrite(buf, 1, len, fp) != len) |
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break; |
147 |
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} |
148 |
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fclose(frfp); |
149 |
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} |
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} else |
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template(fp); |
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153 |
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if (fflush(fp) == EOF || fstat(fd, &sb) == -1 || fclose(fp) == EOF) |
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err(1, "error creating template"); |
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mtime = sb.st_mtime; |
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edit: |
158 |
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if (editit(tmppath) == -1) |
159 |
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err(1, "error running editor"); |
160 |
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161 |
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if (stat(tmppath, &sb) == -1) |
162 |
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err(1, "stat"); |
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if (mtime == sb.st_mtime) |
164 |
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errx(1, "report unchanged, nothing sent"); |
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166 |
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prompt: |
167 |
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checkfile(tmppath); |
168 |
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c = prompt(); |
169 |
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switch (c) { |
170 |
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case 'a': |
171 |
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case EOF: |
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wantcleanup = 0; |
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errx(1, "unsent report in %s", tmppath); |
174 |
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case 'e': |
175 |
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goto edit; |
176 |
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case 's': |
177 |
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if (sendmail(tmppath) == -1) |
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goto quit; |
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break; |
180 |
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default: |
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goto prompt; |
182 |
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} |
183 |
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184 |
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ret = 0; |
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quit: |
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return (ret); |
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} |
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189 |
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void |
190 |
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dmesg(FILE *fp) |
191 |
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{ |
192 |
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char buf[BUFSIZ]; |
193 |
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FILE *dfp; |
194 |
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off_t offset = -1; |
195 |
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dfp = fopen(_PATH_DMESG, "r"); |
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if (dfp == NULL) { |
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warn("can't read dmesg"); |
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return; |
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} |
201 |
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/* Find last dmesg. */ |
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for (;;) { |
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off_t o; |
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o = ftello(dfp); |
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if (fgets(buf, sizeof(buf), dfp) == NULL) |
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break; |
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if (!strncmp(DMESG_START, buf, sizeof(DMESG_START) - 1)) |
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offset = o; |
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} |
212 |
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if (offset != -1) { |
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size_t len; |
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clearerr(dfp); |
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fseeko(dfp, offset, SEEK_SET); |
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while (offset != -1 && !feof(dfp)) { |
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len = fread(buf, 1, sizeof buf, dfp); |
219 |
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if (len == 0) |
220 |
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break; |
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if (fwrite(buf, 1, len, fp) != len) |
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break; |
223 |
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} |
224 |
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} |
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fclose(dfp); |
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} |
227 |
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228 |
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void |
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usbdevs(FILE *ofp) |
230 |
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{ |
231 |
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char buf[BUFSIZ]; |
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FILE *ifp; |
233 |
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size_t len; |
234 |
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235 |
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if ((ifp = popen("usbdevs -v", "r")) != NULL) { |
236 |
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while (!feof(ifp)) { |
237 |
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len = fread(buf, 1, sizeof buf, ifp); |
238 |
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if (len == 0) |
239 |
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break; |
240 |
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if (fwrite(buf, 1, len, ofp) != len) |
241 |
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break; |
242 |
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} |
243 |
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pclose(ifp); |
244 |
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} |
245 |
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} |
246 |
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247 |
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/* |
248 |
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* Execute an editor on the specified pathname, which is interpreted |
249 |
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* from the shell. This means flags may be included. |
250 |
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* |
251 |
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* Returns -1 on error, or the exit value on success. |
252 |
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*/ |
253 |
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int |
254 |
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editit(const char *pathname) |
255 |
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{ |
256 |
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char *argp[] = {"sh", "-c", NULL, NULL}, *ed, *p; |
257 |
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sig_t sighup, sigint, sigquit, sigchld; |
258 |
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pid_t pid; |
259 |
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int saved_errno, st, ret = -1; |
260 |
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261 |
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ed = getenv("VISUAL"); |
262 |
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if (ed == NULL || ed[0] == '\0') |
263 |
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ed = getenv("EDITOR"); |
264 |
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if (ed == NULL || ed[0] == '\0') |
265 |
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ed = _PATH_VI; |
266 |
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if (asprintf(&p, "%s %s", ed, pathname) == -1) |
267 |
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return (-1); |
268 |
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argp[2] = p; |
269 |
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270 |
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sighup = signal(SIGHUP, SIG_IGN); |
271 |
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sigint = signal(SIGINT, SIG_IGN); |
272 |
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sigquit = signal(SIGQUIT, SIG_IGN); |
273 |
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sigchld = signal(SIGCHLD, SIG_DFL); |
274 |
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if ((pid = fork()) == -1) |
275 |
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goto fail; |
276 |
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if (pid == 0) { |
277 |
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execv(_PATH_BSHELL, argp); |
278 |
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_exit(127); |
279 |
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} |
280 |
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while (waitpid(pid, &st, 0) == -1) { |
281 |
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if (errno != EINTR) |
282 |
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goto fail; |
283 |
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} |
284 |
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if (!WIFEXITED(st)) |
285 |
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errno = EINTR; |
286 |
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else |
287 |
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ret = WEXITSTATUS(st); |
288 |
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289 |
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fail: |
290 |
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saved_errno = errno; |
291 |
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(void)signal(SIGHUP, sighup); |
292 |
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(void)signal(SIGINT, sigint); |
293 |
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(void)signal(SIGQUIT, sigquit); |
294 |
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(void)signal(SIGCHLD, sigchld); |
295 |
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free(p); |
296 |
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errno = saved_errno; |
297 |
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return (ret); |
298 |
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} |
299 |
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300 |
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int |
301 |
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prompt(void) |
302 |
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{ |
303 |
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int c, ret; |
304 |
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|
305 |
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fpurge(stdin); |
306 |
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fprintf(stderr, "a)bort, e)dit, or s)end: "); |
307 |
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fflush(stderr); |
308 |
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ret = getchar(); |
309 |
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if (ret == EOF || ret == '\n') |
310 |
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return (ret); |
311 |
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do { |
312 |
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c = getchar(); |
313 |
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} while (c != EOF && c != '\n'); |
314 |
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return (ret); |
315 |
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} |
316 |
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317 |
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int |
318 |
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sendmail(const char *pathname) |
319 |
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{ |
320 |
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int filedes[2]; |
321 |
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pid_t pid; |
322 |
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323 |
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if (pipe(filedes) == -1) { |
324 |
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warn("pipe: unsent report in %s", pathname); |
325 |
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return (-1); |
326 |
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} |
327 |
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switch ((pid = fork())) { |
328 |
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case -1: |
329 |
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warn("fork error: unsent report in %s", |
330 |
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pathname); |
331 |
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return (-1); |
332 |
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case 0: |
333 |
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close(filedes[1]); |
334 |
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if (dup2(filedes[0], STDIN_FILENO) == -1) { |
335 |
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warn("dup2 error: unsent report in %s", |
336 |
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pathname); |
337 |
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return (-1); |
338 |
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} |
339 |
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close(filedes[0]); |
340 |
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execl(_PATH_SENDMAIL, "sendmail", |
341 |
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"-oi", "-t", (char *)NULL); |
342 |
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warn("sendmail error: unsent report in %s", |
343 |
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pathname); |
344 |
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return (-1); |
345 |
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default: |
346 |
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close(filedes[0]); |
347 |
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/* Pipe into sendmail. */ |
348 |
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if (send_file(pathname, filedes[1]) == -1) { |
349 |
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warn("send_file error: unsent report in %s", |
350 |
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pathname); |
351 |
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return (-1); |
352 |
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} |
353 |
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close(filedes[1]); |
354 |
|
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while (waitpid(pid, NULL, 0) == -1) { |
355 |
|
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if (errno != EINTR) |
356 |
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break; |
357 |
|
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} |
358 |
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break; |
359 |
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} |
360 |
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return (0); |
361 |
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} |
362 |
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|
363 |
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void |
364 |
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init(void) |
365 |
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{ |
366 |
|
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size_t len; |
367 |
|
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int sysname[2]; |
368 |
|
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char *cp; |
369 |
|
|
|
370 |
|
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if ((pw = getpwuid(getuid())) == NULL) |
371 |
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err(1, "getpwuid"); |
372 |
|
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|
373 |
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sysname[0] = CTL_KERN; |
374 |
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sysname[1] = KERN_OSTYPE; |
375 |
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len = sizeof(os) - 1; |
376 |
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if (sysctl(sysname, 2, &os, &len, NULL, 0) == -1) |
377 |
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err(1, "sysctl"); |
378 |
|
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|
379 |
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sysname[0] = CTL_KERN; |
380 |
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sysname[1] = KERN_OSRELEASE; |
381 |
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len = sizeof(rel) - 1; |
382 |
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if (sysctl(sysname, 2, &rel, &len, NULL, 0) == -1) |
383 |
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err(1, "sysctl"); |
384 |
|
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|
385 |
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sysname[0] = CTL_KERN; |
386 |
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sysname[1] = KERN_VERSION; |
387 |
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len = sizeof(details) - 1; |
388 |
|
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if (sysctl(sysname, 2, &details, &len, NULL, 0) == -1) |
389 |
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err(1, "sysctl"); |
390 |
|
|
|
391 |
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cp = strchr(details, '\n'); |
392 |
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if (cp) { |
393 |
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cp++; |
394 |
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if (*cp) |
395 |
|
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*cp++ = '\t'; |
396 |
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if (*cp) |
397 |
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*cp++ = '\t'; |
398 |
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if (*cp) |
399 |
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*cp++ = '\t'; |
400 |
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} |
401 |
|
|
|
402 |
|
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sysname[0] = CTL_HW; |
403 |
|
|
sysname[1] = HW_MACHINE; |
404 |
|
|
len = sizeof(mach) - 1; |
405 |
|
|
if (sysctl(sysname, 2, &mach, &len, NULL, 0) == -1) |
406 |
|
|
err(1, "sysctl"); |
407 |
|
|
} |
408 |
|
|
|
409 |
|
|
int |
410 |
|
|
send_file(const char *file, int dst) |
411 |
|
|
{ |
412 |
|
|
size_t len; |
413 |
|
|
char *buf, *lbuf; |
414 |
|
|
FILE *fp; |
415 |
|
|
int rval = -1, saved_errno; |
416 |
|
|
|
417 |
|
|
if ((fp = fopen(file, "r")) == NULL) |
418 |
|
|
return (-1); |
419 |
|
|
lbuf = NULL; |
420 |
|
|
while ((buf = fgetln(fp, &len))) { |
421 |
|
|
if (buf[len - 1] == '\n') { |
422 |
|
|
buf[len - 1] = '\0'; |
423 |
|
|
--len; |
424 |
|
|
} else { |
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 |
|
|
|
433 |
|
|
/* Skip lines starting with "SENDBUG". */ |
434 |
|
|
if (strncmp(buf, "SENDBUG", sizeof("SENDBUG") - 1) == 0) |
435 |
|
|
continue; |
436 |
|
|
while (len) { |
437 |
|
|
char *sp = NULL, *ep = NULL; |
438 |
|
|
size_t copylen; |
439 |
|
|
|
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 |
|
|
} |
452 |
|
|
/* Length of string before comment. */ |
453 |
|
|
if (ep) |
454 |
|
|
copylen = sp - buf; |
455 |
|
|
else |
456 |
|
|
copylen = len; |
457 |
|
|
if (atomicio(vwrite, dst, buf, copylen) != copylen) |
458 |
|
|
goto end; |
459 |
|
|
if (!ep) |
460 |
|
|
break; |
461 |
|
|
/* Skip comment. */ |
462 |
|
|
len -= ep - buf + 1; |
463 |
|
|
buf = ep + 1; |
464 |
|
|
} |
465 |
|
|
if (atomicio(vwrite, dst, "\n", 1) != 1) |
466 |
|
|
goto end; |
467 |
|
|
} |
468 |
|
|
rval = 0; |
469 |
|
|
end: |
470 |
|
|
saved_errno = errno; |
471 |
|
|
free(lbuf); |
472 |
|
|
fclose(fp); |
473 |
|
|
errno = saved_errno; |
474 |
|
|
return (rval); |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
/* |
478 |
|
|
* Does line start with `s' and end with non-comment and non-whitespace? |
479 |
|
|
* Note: Does not treat `line' as a C string. |
480 |
|
|
*/ |
481 |
|
|
int |
482 |
|
|
matchline(const char *s, const char *line, size_t linelen) |
483 |
|
|
{ |
484 |
|
|
size_t slen; |
485 |
|
|
int iscomment; |
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; |
497 |
|
|
iscomment = 0; |
498 |
|
|
while (linelen) { |
499 |
|
|
if (iscomment) { |
500 |
|
|
if (*line == '>') |
501 |
|
|
iscomment = 0; |
502 |
|
|
} else if (*line == '<') |
503 |
|
|
iscomment = 1; |
504 |
|
|
else if (!isspace((unsigned char)*line)) |
505 |
|
|
return (1); |
506 |
|
|
++line; |
507 |
|
|
--linelen; |
508 |
|
|
} |
509 |
|
|
return (0); |
510 |
|
|
} |
511 |
|
|
|
512 |
|
|
/* |
513 |
|
|
* Are all required fields filled out? |
514 |
|
|
*/ |
515 |
|
|
void |
516 |
|
|
checkfile(const char *pathname) |
517 |
|
|
{ |
518 |
|
|
FILE *fp; |
519 |
|
|
size_t len; |
520 |
|
|
int category = 0, synopsis = 0, subject = 0; |
521 |
|
|
char *buf; |
522 |
|
|
|
523 |
|
|
if ((fp = fopen(pathname, "r")) == NULL) { |
524 |
|
|
warn("%s", pathname); |
525 |
|
|
return; |
526 |
|
|
} |
527 |
|
|
while ((buf = fgetln(fp, &len))) { |
528 |
|
|
if (matchline(">Category:", buf, len)) |
529 |
|
|
category = 1; |
530 |
|
|
else if (matchline(">Synopsis:", buf, len)) |
531 |
|
|
synopsis = 1; |
532 |
|
|
else if (matchline("Subject:", buf, len)) |
533 |
|
|
subject = 1; |
534 |
|
|
} |
535 |
|
|
fclose(fp); |
536 |
|
|
if (!category || !synopsis || !subject) { |
537 |
|
|
fprintf(stderr, "Some fields are blank, please fill them in: "); |
538 |
|
|
if (!subject) |
539 |
|
|
fprintf(stderr, "Subject "); |
540 |
|
|
if (!synopsis) |
541 |
|
|
fprintf(stderr, "Synopsis "); |
542 |
|
|
if (!category) |
543 |
|
|
fprintf(stderr, "Category "); |
544 |
|
|
fputc('\n', stderr); |
545 |
|
|
} |
546 |
|
|
} |
547 |
|
|
|
548 |
|
|
void |
549 |
|
|
template(FILE *fp) |
550 |
|
|
{ |
551 |
|
|
fprintf(fp, "SENDBUG: -*- sendbug -*-\n"); |
552 |
|
|
fprintf(fp, "SENDBUG: Lines starting with `SENDBUG' will" |
553 |
|
|
" be removed automatically.\n"); |
554 |
|
|
fprintf(fp, "SENDBUG:\n"); |
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"); |
560 |
|
|
fprintf(fp, "To: %s\n", "bugs@openbsd.org"); |
561 |
|
|
fprintf(fp, "Subject: \n"); |
562 |
|
|
fprintf(fp, "From: %s\n", pw->pw_name); |
563 |
|
|
fprintf(fp, "Cc: %s\n", pw->pw_name); |
564 |
|
|
fprintf(fp, "Reply-To: %s\n", pw->pw_name); |
565 |
|
|
fprintf(fp, "\n"); |
566 |
|
|
fprintf(fp, ">Synopsis:\t%s\n", comment[0]); |
567 |
|
|
fprintf(fp, ">Category:\t%s\n", comment[1]); |
568 |
|
|
fprintf(fp, ">Environment:\n"); |
569 |
|
|
fprintf(fp, "\tSystem : %s %s\n", os, rel); |
570 |
|
|
fprintf(fp, "\tDetails : %s\n", details); |
571 |
|
|
fprintf(fp, "\tArchitecture: %s.%s\n", os, mach); |
572 |
|
|
fprintf(fp, "\tMachine : %s\n", mach); |
573 |
|
|
fprintf(fp, ">Description:\n"); |
574 |
|
|
fprintf(fp, "\t%s\n", comment[2]); |
575 |
|
|
fprintf(fp, ">How-To-Repeat:\n"); |
576 |
|
|
fprintf(fp, "\t%s\n", comment[3]); |
577 |
|
|
fprintf(fp, ">Fix:\n"); |
578 |
|
|
fprintf(fp, "\t%s\n", comment[4]); |
579 |
|
|
|
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"); |
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" : ""); |
592 |
|
|
fputs("\ndmesg:\n", fp); |
593 |
|
|
dmesg(fp); |
594 |
|
|
fputs("\nusbdevs:\n", fp); |
595 |
|
|
usbdevs(fp); |
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; " |
616 |
|
|
"echo \"\\nacpidump:\"; cd %s && cp /var/db/acpi/* .; " |
617 |
|
|
"for i in *; do b64encode $i $i; done; rm -rf %s", |
618 |
|
|
acpidir, acpidir) == -1) |
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 |
|
|
} |
629 |
|
|
pclose(ifp); |
630 |
|
|
} |
631 |
|
|
free(cmd); |
632 |
|
|
free(acpidir); |
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 |
|
|
} |
659 |
|
|
} |