#define ERR_OVERFLOW 5
#define ERR_BADUSER 6
-/*
- * This needs to be declared statically so the signal handler can
- * access it.
- */
-static char *tempfilename;
-/*
- * If our platform knows about the tmpnam() external buffer size, create
- * a buffer to pass in. This is needed in a threaded environment, or
- * one that thinks it is (like HP-UX).
- */
-#ifdef L_tmpnam
-static char tname_buf[L_tmpnam];
-#else
-static char *tname_buf = NULL;
-#endif
-
-/*
- * Get a line of input from the user, not including any terminating
- * newline.
- */
-static int get_line(char *s, int n, FILE *f)
-{
- register int i = 0;
-
- while (1) {
- s[i] = (char) fgetc(f);
+#define NEWFILE 1
+#define NOFILE 2
+#define NONINTERACTIVE 4
- if (s[i] == CR) {
- s[i] = fgetc(f);
- }
-
- if ((s[i] == 0x4) || (s[i] == LF) || (i == (n - 1))) {
- s[i] = '\0';
- return (feof(f) ? 1 : 0);
- }
- ++i;
- }
-}
-
-static void putline(FILE *f, char *l)
-{
- int x;
-
- for (x = 0; l[x]; x++) {
- fputc(l[x], f);
- }
- fputc('\n', f);
-}
+apr_file_t *errfile;
+apr_file_t *ftemp = NULL;
static void to64(char *s, unsigned long v, int n)
{
}
}
+static void putline(apr_file_t *f, const char *l)
+{
+ apr_file_puts(l, f);
+}
+
/*
* Make a password record from the given information. A zero return
* indicates success; failure means that the output buffer contains an
return 0;
}
-static int usage(void)
+static void usage(void)
{
- fprintf(stderr, "Usage:\n");
- fprintf(stderr, "\thtpasswd [-cmdps] passwordfile username\n");
- fprintf(stderr, "\thtpasswd -b[cmdps] passwordfile username password\n\n");
- fprintf(stderr, "\thtpasswd -n[mdps] username\n");
- fprintf(stderr, "\thtpasswd -nb[mdps] username password\n");
- fprintf(stderr, " -c Create a new file.\n");
- fprintf(stderr, " -n Don't update file; display results on stdout.\n");
- fprintf(stderr, " -m Force MD5 encryption of the password"
+ apr_file_printf(errfile, "Usage:\n");
+ apr_file_printf(errfile, "\thtpasswd [-cmdps] passwordfile username\n");
+ apr_file_printf(errfile, "\thtpasswd -b[cmdps] passwordfile username password\n\n");
+ apr_file_printf(errfile, "\thtpasswd -n[mdps] username\n");
+ apr_file_printf(errfile, "\thtpasswd -nb[mdps] username password\n");
+ apr_file_printf(errfile, " -c Create a new file.\n");
+ apr_file_printf(errfile, " -n Don't update file; display results on stdout.\n");
+ apr_file_printf(errfile, " -m Force MD5 encryption of the password"
#if defined(WIN32) || defined(TPF) || defined(NETWARE)
" (default)"
#endif
".\n");
- fprintf(stderr, " -d Force CRYPT encryption of the password"
+ apr_file_printf(errfile, " -d Force CRYPT encryption of the password"
#if (!(defined(WIN32) || defined(TPF) || defined(NETWARE)))
" (default)"
#endif
".\n");
- fprintf(stderr, " -p Do not encrypt the password (plaintext).\n");
- fprintf(stderr, " -s Force SHA encryption of the password.\n");
- fprintf(stderr, " -b Use the password from the command line rather "
+ apr_file_printf(errfile, " -p Do not encrypt the password (plaintext).\n");
+ apr_file_printf(errfile, " -s Force SHA encryption of the password.\n");
+ apr_file_printf(errfile, " -b Use the password from the command line rather "
"than prompting for it.\n");
- fprintf(stderr,
+ apr_file_printf(errfile,
"On Windows, NetWare and TPF systems the '-m' flag is used by default.\n");
- fprintf(stderr,
+ apr_file_printf(errfile,
"On all other systems, the '-p' flag will probably not work.\n");
- return ERR_SYNTAX;
-}
-
-static void interrupted(void)
-{
- fprintf(stderr, "Interrupted.\n");
- if (tempfilename != NULL) {
- unlink(tempfilename);
- }
- exit(ERR_INTERRUPTED);
+ exit(ERR_SYNTAX);
}
/*
return ((check || sbuf.filetype != APR_REG) ? 0 : 1);
}
-/*
- * Copy from the current position of one file to the current position
- * of another.
- */
-static void copy_file(FILE *target, FILE *source)
-{
- static char line[MAX_STRING_LEN];
-
- while (fgets(line, sizeof(line), source) != NULL) {
- fputs(line, target);
- }
-}
-
#ifdef NETWARE
void nwTerminate()
{
}
#endif
-/*
- * Let's do it. We end up doing a lot of file opening and closing,
- * but what do we care? This application isn't run constantly.
- */
-int main(int argc, const char * const argv[])
+static void check_args(int argc, const char *const argv[], int *alg, int *mask,
+ int *num_args)
{
- FILE *ftemp = NULL;
- FILE *fpw = NULL;
- char user[MAX_STRING_LEN];
- char password[MAX_STRING_LEN];
- char record[MAX_STRING_LEN];
- char line[MAX_STRING_LEN];
- char pwfilename[MAX_STRING_LEN];
const char *arg;
- int found = 0;
- int alg = ALG_CRYPT;
- int newfile = 0;
- int nofile = 0;
- int noninteractive = 0;
- int i;
int args_left = 2;
- apr_pool_t *pool;
-#if APR_CHARSET_EBCDIC
- apr_status_t rv;
- apr_xlate_t *to_ascii;
-#endif
-
- apr_app_initialize(&argc, &argv, NULL);
- atexit(apr_terminate);
-#ifdef NETWARE
- atexit(nwTerminate);
-#endif
- apr_pool_create(&pool, NULL);
-
-#if APR_CHARSET_EBCDIC
- rv = apr_xlate_open(&to_ascii, "ISO8859-1", APR_DEFAULT_CHARSET, pool);
- if (rv) {
- fprintf(stderr, "apr_xlate_open(to ASCII)->%d\n", rv);
- exit(1);
- }
- rv = apr_SHA1InitEBCDIC(to_ascii);
- if (rv) {
- fprintf(stderr, "apr_SHA1InitEBCDIC()->%d\n", rv);
- exit(1);
- }
- rv = apr_MD5InitEBCDIC(to_ascii);
- if (rv) {
- fprintf(stderr, "apr_MD5InitEBCDIC()->%d\n", rv);
- exit(1);
- }
-#endif /*APR_CHARSET_EBCDIC*/
-
- tempfilename = NULL;
- apr_signal(SIGINT, (void (*)(int)) interrupted);
+ int i;
/*
* Preliminary check to make sure they provided at least
* we parse the command line.
*/
if (argc < 3) {
- return usage();
+ usage();
}
/*
}
while (*++arg != '\0') {
if (*arg == 'c') {
- newfile++;
+ *mask |= NEWFILE;
}
else if (*arg == 'n') {
- nofile++;
+ *mask |= NOFILE;
args_left--;
}
else if (*arg == 'm') {
- alg = ALG_APMD5;
+ *alg = ALG_APMD5;
}
else if (*arg == 's') {
- alg = ALG_APSHA;
+ *alg = ALG_APSHA;
}
else if (*arg == 'p') {
- alg = ALG_PLAIN;
+ *alg = ALG_PLAIN;
}
else if (*arg == 'd') {
- alg = ALG_CRYPT;
+ *alg = ALG_CRYPT;
}
else if (*arg == 'b') {
- noninteractive++;
+ *mask |= NONINTERACTIVE;
args_left++;
}
else {
- return usage();
+ usage();
}
}
}
+ if (*mask & (NEWFILE & NOFILE)) {
+ apr_file_printf(errfile, "%s: -c and -n options conflict\n", argv[0]);
+ exit(ERR_SYNTAX);
+ }
/*
* Make sure we still have exactly the right number of arguments left
* (the filename, the username, and possibly the password if -b was
* specified).
*/
if ((argc - i) != args_left) {
- return usage();
+ usage();
+ }
+ *num_args = i;
+}
+
+/*
+ * Let's do it. We end up doing a lot of file opening and closing,
+ * but what do we care? This application isn't run constantly.
+ */
+int main(int argc, const char * const argv[])
+{
+ apr_file_t *fpw = NULL;
+ char user[MAX_STRING_LEN];
+ char record[MAX_STRING_LEN];
+ char line[MAX_STRING_LEN];
+ char *password = NULL;
+ char *pwfilename = NULL;
+ char tn[] = "htpasswd.tmp.XXXXXX";
+ char scratch[MAX_STRING_LEN];
+ char *str = NULL;
+ int found = 0;
+ int alg = ALG_CRYPT;
+ int mask = 0;
+ int i;
+ apr_pool_t *pool;
+#if APR_CHARSET_EBCDIC
+ apr_status_t rv;
+ apr_xlate_t *to_ascii;
+#endif
+
+ apr_app_initialize(&argc, &argv, NULL);
+ atexit(apr_terminate);
+#ifdef NETWARE
+ atexit(nwTerminate);
+#endif
+ apr_pool_create(&pool, NULL);
+ apr_file_open_stderr(&errfile, pool);
+
+#if APR_CHARSET_EBCDIC
+ rv = apr_xlate_open(&to_ascii, "ISO8859-1", APR_DEFAULT_CHARSET, pool);
+ if (rv) {
+ apr_file_printf(errfile, "apr_xlate_open(to ASCII)->%d\n", rv);
+ exit(1);
}
- if (newfile && nofile) {
- fprintf(stderr, "%s: -c and -n options conflict\n", argv[0]);
- return ERR_SYNTAX;
+ rv = apr_SHA1InitEBCDIC(to_ascii);
+ if (rv) {
+ apr_file_printf(errfile, "apr_SHA1InitEBCDIC()->%d\n", rv);
+ exit(1);
}
- if (nofile) {
+ rv = apr_MD5InitEBCDIC(to_ascii);
+ if (rv) {
+ apr_file_printf(errfile, "apr_MD5InitEBCDIC()->%d\n", rv);
+ exit(1);
+ }
+#endif /*APR_CHARSET_EBCDIC*/
+
+ check_args(argc, argv, &alg, &mask, &i);
+
+ if (mask & NOFILE) {
i--;
}
else {
- if (strlen(argv[i]) > (sizeof(pwfilename) - 1)) {
- fprintf(stderr, "%s: filename too long\n", argv[0]);
+ if (strlen(argv[i]) > (PATH_MAX - 1)) {
+ apr_file_printf(errfile, "%s: filename too long\n", argv[0]);
return ERR_OVERFLOW;
}
- strcpy(pwfilename, argv[i]);
+ pwfilename = apr_pstrdup(pool, argv[i]);
if (strlen(argv[i + 1]) > (sizeof(user) - 1)) {
- fprintf(stderr, "%s: username too long (>%" APR_SIZE_T_FMT ")\n",
+ apr_file_printf(errfile, "%s: username too long (>%" APR_SIZE_T_FMT ")\n",
argv[0], sizeof(user) - 1);
return ERR_OVERFLOW;
}
}
strcpy(user, argv[i + 1]);
- if ((arg = strchr(user, ':')) != NULL) {
- fprintf(stderr, "%s: username contains illegal character '%c'\n",
- argv[0], *arg);
+ if ((str = strchr(user, ':')) != NULL) {
+ apr_file_printf(errfile, "%s: username contains illegal character '%c'\n",
+ argv[0], *str);
return ERR_BADUSER;
}
- if (noninteractive) {
- if (strlen(argv[i + 2]) > (sizeof(password) - 1)) {
- fprintf(stderr, "%s: password too long (>%" APR_SIZE_T_FMT ")\n",
- argv[0], sizeof(password) - 1);
+ if (mask & NONINTERACTIVE) {
+ if (strlen(argv[i + 2]) > (MAX_STRING_LEN - 1)) {
+ apr_file_printf(errfile, "%s: password too long (>%" APR_SIZE_T_FMT ")\n",
+ argv[0], MAX_STRING_LEN);
return ERR_OVERFLOW;
}
- strcpy(password, argv[i + 2]);
+ password = apr_pstrdup(pool, argv[i + 2]);
}
#if defined(WIN32) || defined(NETWARE)
if (alg == ALG_CRYPT) {
alg = ALG_APMD5;
- fprintf(stderr, "Automatically using MD5 format.\n");
+ apr_file_printf(errfile, "Automatically using MD5 format.\n");
}
#endif
#if (!(defined(WIN32) || defined(TPF) || defined(NETWARE)))
if (alg == ALG_PLAIN) {
- fprintf(stderr,"Warning: storing passwords as plain text might "
+ apr_file_printf(errfile,"Warning: storing passwords as plain text might "
"just not work on this platform.\n");
}
#endif
- if (! nofile) {
+ if (! mask & NOFILE) {
/*
* Only do the file checks if we're supposed to frob it.
*
* Verify that the file exists if -c was omitted. We give a special
* message if it doesn't.
*/
- if ((! newfile) && (! exists(pwfilename, pool))) {
- fprintf(stderr,
+ if ((! mask & NEWFILE) && (! exists(pwfilename, pool))) {
+ apr_file_printf(errfile,
"%s: cannot modify file %s; use '-c' to create it\n",
argv[0], pwfilename);
perror("fopen");
* Verify that we can read the existing file in the case of an update
* to it (rather than creation of a new one).
*/
- if ((! newfile) && (! readable(pwfilename))) {
- fprintf(stderr, "%s: cannot open file %s for read access\n",
+ if ((! mask & NEWFILE) && (! readable(pwfilename))) {
+ apr_file_printf(errfile, "%s: cannot open file %s for read access\n",
argv[0], pwfilename);
perror("fopen");
exit(ERR_FILEPERM);
* Now check to see if we can preserve an existing file in case
* of password verification errors on a -c operation.
*/
- if (newfile && exists(pwfilename, pool) && (! readable(pwfilename))) {
- fprintf(stderr, "%s: cannot open file %s for read access\n"
+ if ((mask & NEWFILE) && exists(pwfilename, pool) && (! readable(pwfilename))) {
+ apr_file_printf(errfile, "%s: cannot open file %s for read access\n"
"%s: existing auth data would be lost on "
"password mismatch",
argv[0], pwfilename, argv[0]);
* Now verify that the file is writable!
*/
if (! writable(pwfilename)) {
- fprintf(stderr, "%s: cannot open file %s for write access\n",
+ apr_file_printf(errfile, "%s: cannot open file %s for write access\n",
argv[0], pwfilename);
perror("fopen");
exit(ERR_FILEPERM);
* the mkrecord() routine doesn't have access to argv[].
*/
i = mkrecord(user, record, sizeof(record) - 1,
- noninteractive ? password : NULL,
- alg);
+ password, alg);
if (i != 0) {
- fprintf(stderr, "%s: %s\n", argv[0], record);
+ apr_file_printf(errfile, "%s: %s\n", argv[0], record);
exit(i);
}
- if (nofile) {
+ if (mask & NOFILE) {
printf("%s\n", record);
exit(0);
}
* We can access the files the right way, and we have a record
* to add or update. Let's do it..
*/
- errno = 0;
- tempfilename = tmpnam(tname_buf);
- if ((tempfilename == NULL) || (*tempfilename == '\0')) {
- fprintf(stderr, "%s: unable to generate temporary filename\n",
- argv[0]);
- if (errno == 0) {
- errno = ENOENT;
- }
- perror("tmpnam");
- exit(ERR_FILEPERM);
- }
- ftemp = fopen(tempfilename, "w+");
- if (ftemp == NULL) {
- fprintf(stderr, "%s: unable to create temporary file '%s'\n", argv[0],
- tempfilename);
- perror("fopen");
+ if (apr_file_mktemp(&ftemp, tn,
+ APR_CREATE | APR_READ | APR_WRITE | APR_EXCL,
+ pool) != APR_SUCCESS) {
+ apr_file_printf(errfile, "%s: unable to create temporary file '%s'\n",
+ argv[0], tn);
exit(ERR_FILEPERM);
}
+
/*
* If we're not creating a new file, copy records from the existing
* one to the temporary file until we find the specified user.
*/
- if (! newfile) {
- char scratch[MAX_STRING_LEN];
-
- fpw = fopen(pwfilename, "r");
- while (! (get_line(line, sizeof(line), fpw))) {
+ if (apr_file_open(&fpw, pwfilename, APR_READ, APR_OS_DEFAULT,
+ pool) == APR_SUCCESS) {
+ while (! (apr_file_gets(line, sizeof(line), fpw))) {
char *colon;
if ((line[0] == '#') || (line[0] == '\0')) {
putline(ftemp, line);
continue;
}
- found++;
- break;
+ else {
+ /* We found the user we were looking for, add him to the file.
+ */
+ apr_file_printf(errfile, "Updating ");
+ putline(ftemp, record);
+ }
}
}
- if (found) {
- fprintf(stderr, "Updating ");
- }
- else {
- fprintf(stderr, "Adding ");
+ if (!found) {
+ apr_file_printf(errfile, "Adding ");
+ putline(ftemp, record);
}
- fprintf(stderr, "password for user %s\n", user);
- /*
- * Now add the user record we created.
- */
- putline(ftemp, record);
- /*
- * If we're updating an existing file, there may be additional
- * records beyond the one we're updating, so copy them.
- */
- if (! newfile) {
- copy_file(ftemp, fpw);
- fclose(fpw);
- }
- /*
- * The temporary file now contains the information that should be
- * in the actual password file. Close the open files, re-open them
- * in the appropriate mode, and copy them file to the real one.
+ apr_file_printf(errfile, "password for user %s\n", user);
+ apr_file_close(fpw);
+
+ /* The temporary file has all the data, just copy it to the new location.
*/
- fclose(ftemp);
- fpw = fopen(pwfilename, "w+");
- ftemp = fopen(tempfilename, "r");
- copy_file(fpw, ftemp);
- fclose(fpw);
- fclose(ftemp);
- unlink(tempfilename);
+#if defined(OS2) || defined(WIN32)
+ str = apr_psprintf(pool, "copy \"%s\" \"%s\"", tn, pwfilename);
+#else
+ str = apr_psprintf(pool, "cp %s %s", tn, pwfilename);
+#endif
+ system(str);
+ apr_file_close(ftemp);
return 0;
}