/*
- * scan.c -- scanning routines for Bacula
- *
- * Kern Sibbald, MM separated from util.c MMIII
- *
- * Version $Id$
- */
+ Bacula(R) - The Network Backup Solution
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Copyright (C) 2000-2017 Kern Sibbald
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+ Bacula(R) is a registered trademark of Kern Sibbald.
+*/
+/*
+ * scan.c -- scanning routines for Bacula
+ *
+ * Kern Sibbald, MM separated from util.c MMIII
+ *
*/
+
#include "bacula.h"
#include "jcr.h"
#include "findlib/find.h"
+/* Strip leading space from command line arguments */
+void strip_leading_space(char *str)
+{
+ char *p = str;
+ while (B_ISSPACE(*p)) {
+ p++;
+ }
+ if (str != p) {
+ do {
+ *str++ = *p;
+ } while (*p++ != 0);
+ }
+}
/* Strip any trailing junk from the command */
-void strip_trailing_junk(char *cmd)
+char *strip_trailing_junk(char *cmd)
{
char *p;
- p = cmd + strlen(cmd) - 1;
/* strip trailing junk from command */
- while ((p >= cmd) && (*p == '\n' || *p == '\r' || *p == ' '))
+ p = cmd - 1 + strlen(cmd);
+ while ((p >= cmd) && (B_ISSPACE(*p) || *p == '\n' || *p == '\r')) {
*p-- = 0;
+ }
+ return cmd;
+}
+
+/* Strip any trailing newline characters from the string */
+char *strip_trailing_newline(char *cmd)
+{
+ char *p;
+ p = cmd - 1 + strlen(cmd);
+ while ((p >= cmd) && (*p == '\n' || *p == '\r')) *p-- = 0;
+ return cmd;
}
/* Strip any trailing slashes from a directory path */
-void strip_trailing_slashes(char *dir)
+char *strip_trailing_slashes(char *dir)
{
char *p;
- p = dir + strlen(dir) - 1;
/* strip trailing slashes */
- while ((p >= dir) && (*p == '/'))
- *p-- = 0;
+ p = dir -1 + strlen(dir);
+ while (p >= dir && IsPathSeparator(*p)) *p-- = 0;
+ return dir;
}
/*
* Skip spaces
- * Returns: 0 on failure (EOF)
- * 1 on success
- * new address in passed parameter
+ * Returns: 0 on failure (EOF)
+ * 1 on success
+ * new address in passed parameter
*/
-int skip_spaces(char **msg)
+bool skip_spaces(char **msg)
{
char *p = *msg;
if (!p) {
- return 0;
+ return false;
}
- while (*p && *p == ' ') {
+ while (*p && B_ISSPACE(*p)) {
p++;
}
*msg = p;
- return *p ? 1 : 0;
+ return *p ? true : false;
}
/*
* Skip nonspaces
- * Returns: 0 on failure (EOF)
- * 1 on success
- * new address in passed parameter
+ * Returns: 0 on failure (EOF)
+ * 1 on success
+ * new address in passed parameter
*/
-int skip_nonspaces(char **msg)
+bool skip_nonspaces(char **msg)
{
char *p = *msg;
if (!p) {
- return 0;
+ return false;
}
- while (*p && *p != ' ') {
+ while (*p && !B_ISSPACE(*p)) {
p++;
}
*msg = p;
- return *p ? 1 : 0;
+ return *p ? true : false;
}
/* folded search for string - case insensitive */
int
-fstrsch(char *a, char *b) /* folded case search */
+fstrsch(const char *a, const char *b) /* folded case search */
{
- register char *s1,*s2;
- register char c1, c2;
+ const char *s1,*s2;
+ char c1, c2;
s1=a;
s2=b;
- while (*s1) { /* do it the fast way */
+ while (*s1) { /* do it the fast way */
if ((*s1++ | 0x20) != (*s2++ | 0x20))
- return 0; /* failed */
+ return 0; /* failed */
}
- while (*a) { /* do it over the correct slow way */
+ while (*a) { /* do it over the correct slow way */
if (B_ISUPPER(c1 = *a)) {
- c1 = tolower((int)c1);
+ c1 = tolower((int)c1);
}
if (B_ISUPPER(c2 = *b)) {
- c2 = tolower((int)c2);
+ c2 = tolower((int)c2);
}
if (c1 != c2) {
- return 0;
+ return 0;
}
a++;
b++;
}
-/*
+/*
* Return next argument from command line. Note, this
- * routine is destructive.
+ * routine is destructive because it stored 0 at the end
+ * of each argument.
+ * Called with pointer to pointer to command line. This
+ * pointer is updated to point to the remainder of the
+ * command line.
+ *
+ * Returns pointer to next argument -- don't store the result
+ * in the pointer you passed as an argument ...
+ * The next argument is terminated by a space unless within
+ * quotes. Double quote characters (unless preceded by a \) are
+ * stripped.
+ *
*/
char *next_arg(char **s)
{
/* skip past spaces to next arg */
for (p=*s; *p && B_ISSPACE(*p); ) {
p++;
- }
- Dmsg1(400, "Next arg=%s\n", p);
+ }
+ Dmsg1(900, "Next arg=%s\n", p);
for (n = q = p; *p ; ) {
- if (*p == '\\') {
- p++;
- if (*p) {
- *q++ = *p++;
- } else {
- *q++ = *p;
- }
- continue;
+ if (*p == '\\') { /* slash? */
+ p++; /* yes, skip it */
+ if (*p) {
+ *q++ = *p++;
+ } else {
+ *q++ = *p;
+ }
+ continue;
}
if (*p == '"') { /* start or end of quote */
- if (in_quote) {
- p++; /* skip quote */
- in_quote = false;
- continue;
- }
- in_quote = true;
- p++;
- continue;
+ p++;
+ in_quote = !in_quote; /* change state */
+ continue;
}
- if (!in_quote && B_ISSPACE(*p)) { /* end of field */
- p++;
- break;
+ if (!in_quote && B_ISSPACE(*p)) { /* end of field */
+ p++;
+ break;
}
*q++ = *p++;
}
*q = 0;
*s = p;
- Dmsg2(400, "End arg=%s next=%s\n", n, p);
+ Dmsg2(900, "End arg=%s next=%s\n", n, p);
return n;
-}
+}
/*
* This routine parses the input command line.
* It makes a copy in args, then builds an
- * argc, argv like list where
- *
+ * argc, argk, argv list where:
+ *
* argc = count of arguments
* argk[i] = argument keyword (part preceding =)
* argv[i] = argument value (part after =)
* argk[1] = arg2
* argv[1] = abc
* argk[2] = arg3
- * argv[2] =
+ * argv[2] =
*/
+int parse_args(POOLMEM *cmd, POOLMEM **args, int *argc,
+ char **argk, char **argv, int max_args)
+{
+ char *p;
+
+ parse_args_only(cmd, args, argc, argk, argv, max_args);
-int parse_args(POOLMEM *cmd, POOLMEM **args, int *argc,
- char **argk, char **argv, int max_args)
+ /* Separate keyword and value */
+ for (int i=0; i < *argc; i++) {
+ p = strchr(argk[i], '=');
+ if (p) {
+ *p++ = 0; /* terminate keyword and point to value */
+ }
+ argv[i] = p; /* save ptr to value or NULL */
+ }
+#ifdef xxx_debug
+ for (int i=0; i < *argc; i++) {
+ Pmsg3(000, "Arg %d: kw=%s val=%s\n", i, argk[i], argv[i]?argv[i]:"NULL");
+ }
+#endif
+ return 1;
+}
+
+
+/*
+ * This routine parses the input command line.
+ * It makes a copy in args, then builds an
+ * argc, argk, but no argv (values).
+ * This routine is useful for scanning command lines where the data
+ * is a filename and no keywords are expected. If we scan a filename
+ * for keywords, any = in the filename will be interpreted as the
+ * end of a keyword, and this is not good.
+ *
+ * argc = count of arguments
+ * argk[i] = argument keyword (part preceding =)
+ * argv[i] = NULL
+ *
+ * example: arg1 arg2=abc arg3=
+ *
+ * argc = c
+ * argk[0] = arg1
+ * argv[0] = NULL
+ * argk[1] = arg2=abc
+ * argv[1] = NULL
+ * argk[2] = arg3
+ * argv[2] =
+ */
+int parse_args_only(POOLMEM *cmd, POOLMEM **args, int *argc,
+ char **argk, char **argv, int max_args)
{
- char *p, *q, *n;
+ char *p, *n;
pm_strcpy(args, cmd);
strip_trailing_junk(*args);
*argc = 0;
/* Pick up all arguments */
while (*argc < max_args) {
- n = next_arg(&p);
+ n = next_arg(&p);
if (*n) {
- argk[*argc] = n;
- argv[(*argc)++] = NULL;
+ argk[*argc] = n;
+ argv[(*argc)++] = NULL;
} else {
- break;
+ break;
}
}
- /* Separate keyword and value */
- for (int i=0; i < *argc; i++) {
- p = strchr(argk[i], '=');
- if (p) {
- *p++ = 0; /* terminate keyword and point to value */
- /* Unquote quoted values */
- if (*p == '"') {
- for (n = q = ++p; *p && *p != '"'; ) {
- if (*p == '\\') {
- p++;
- }
- *q++ = *p++;
- }
- *q = 0; /* terminate string */
- p = n; /* point to string */
- }
- if (strlen(p) > MAX_NAME_LENGTH-1) {
- p[MAX_NAME_LENGTH-1] = 0; /* truncate to max len */
- }
+ return 1;
+}
+
+
+/*
+ * Given a full filename, split it into its path
+ * and filename parts. They are returned in pool memory
+ * in the arguments provided.
+ */
+void split_path_and_filename(const char *fname, POOLMEM **path, int *pnl,
+ POOLMEM **file, int *fnl)
+{
+ const char *f;
+ int slen;
+ int len = slen = strlen(fname);
+
+ /*
+ * Find path without the filename.
+ * I.e. everything after the last / is a "filename".
+ * OK, maybe it is a directory name, but we treat it like
+ * a filename. If we don't find a / then the whole name
+ * must be a path name (e.g. c:).
+ */
+ f = fname + len - 1;
+ /* "strip" any trailing slashes */
+ while (slen > 1 && IsPathSeparator(*f)) {
+ slen--;
+ f--;
+ }
+ /* Walk back to last slash -- begin of filename */
+ while (slen > 0 && !IsPathSeparator(*f)) {
+ slen--;
+ f--;
+ }
+ if (IsPathSeparator(*f)) { /* did we find a slash? */
+ f++; /* yes, point to filename */
+ } else { /* no, whole thing must be path name */
+ f = fname;
+ }
+ Dmsg2(200, "after strip len=%d f=%s\n", len, f);
+ *fnl = fname - f + len;
+ if (*fnl > 0) {
+ *file = check_pool_memory_size(*file, *fnl+1);
+ memcpy(*file, f, *fnl); /* copy filename */
+ }
+ (*file)[*fnl] = 0;
+
+ *pnl = f - fname;
+ if (*pnl > 0) {
+ *path = check_pool_memory_size(*path, *pnl+1);
+ memcpy(*path, fname, *pnl);
+ }
+ (*path)[*pnl] = 0;
+
+ Dmsg2(200, "pnl=%d fnl=%d\n", *pnl, *fnl);
+ Dmsg3(200, "split fname=%s path=%s file=%s\n", fname, *path, *file);
+}
+
+/*
+ * Extremely simple sscanf. Handles only %(u,d,ld,qd,qu,lu,lld,llu,c,nns)
+ *
+ * Note, BIG is the default maximum length when no length
+ * has been specified for %s. If it is not big enough, then
+ * simply add a length such as %10000s.
+ */
+const int BIG = 1000;
+int bsscanf(const char *buf, const char *fmt, ...)
+{
+ va_list ap;
+ int count = 0;
+ void *vp;
+ char *cp;
+ int l = 0;
+ int max_len = BIG;
+ uint64_t value;
+ bool error = false;
+ bool negative;
+
+ va_start(ap, fmt);
+ while (*fmt && !error) {
+// Dmsg1(000, "fmt=%c\n", *fmt);
+ if (*fmt == '%') {
+ fmt++;
+// Dmsg1(000, "Got %% nxt=%c\n", *fmt);
+switch_top:
+ switch (*fmt++) {
+ case 'u':
+ value = 0;
+ while (B_ISDIGIT(*buf)) {
+ value = B_TIMES10(value) + *buf++ - '0';
+ }
+ vp = (void *)va_arg(ap, void *);
+// Dmsg2(000, "val=%lld at 0x%lx\n", value, (long unsigned)vp);
+ if (l == 0) {
+ *((int *)vp) = (int)value;
+ } else if (l == 1) {
+ *((uint32_t *)vp) = (uint32_t)value;
+// Dmsg0(000, "Store 32 bit int\n");
+ } else {
+ *((uint64_t *)vp) = (uint64_t)value;
+// Dmsg0(000, "Store 64 bit int\n");
+ }
+ count++;
+ l = 0;
+ break;
+ case 'd':
+ value = 0;
+ if (*buf == '-') {
+ negative = true;
+ buf++;
+ } else {
+ negative = false;
+ }
+ while (B_ISDIGIT(*buf)) {
+ value = B_TIMES10(value) + *buf++ - '0';
+ }
+ if (negative) {
+ value = -value;
+ }
+ vp = (void *)va_arg(ap, void *);
+// Dmsg2(000, "val=%lld at 0x%lx\n", value, (long unsigned)vp);
+ if (l == 0) {
+ *((int *)vp) = (int)value;
+ } else if (l == 1) {
+ *((int32_t *)vp) = (int32_t)value;
+// Dmsg0(000, "Store 32 bit int\n");
+ } else {
+ *((int64_t *)vp) = (int64_t)value;
+// Dmsg0(000, "Store 64 bit int\n");
+ }
+ count++;
+ l = 0;
+ break;
+ case 'l':
+// Dmsg0(000, "got l\n");
+ l = 1;
+ if (*fmt == 'l') {
+ l++;
+ fmt++;
+ }
+ if (*fmt == 'd' || *fmt == 'u') {
+ goto switch_top;
+ }
+// Dmsg1(000, "fmt=%c !=d,u\n", *fmt);
+ error = true;
+ break;
+ case 'q':
+ l = 2;
+ if (*fmt == 'd' || *fmt == 'u') {
+ goto switch_top;
+ }
+// Dmsg1(000, "fmt=%c !=d,u\n", *fmt);
+ error = true;
+ break;
+ case 's':
+// Dmsg1(000, "Store string max_len=%d\n", max_len);
+ cp = (char *)va_arg(ap, char *);
+ while (*buf && !B_ISSPACE(*buf) && max_len-- > 0) {
+ *cp++ = *buf++;
+ }
+ *cp = 0;
+ count++;
+ max_len = BIG;
+ break;
+ case 'c':
+ cp = (char *)va_arg(ap, char *);
+ *cp = *buf++;
+ count++;
+ break;
+ case '%':
+ if (*buf++ != '%') {
+ error = true;
+ }
+ break;
+ default:
+ fmt--;
+ max_len = 0;
+ while (B_ISDIGIT(*fmt)) {
+ max_len = B_TIMES10(max_len) + *fmt++ - '0';
+ }
+// Dmsg1(000, "Default max_len=%d\n", max_len);
+ if (*fmt == 's') {
+ goto switch_top;
+ }
+// Dmsg1(000, "Default c=%c\n", *fmt);
+ error = true;
+ break; /* error: unknown format */
+ }
+ continue;
+
+ /* White space eats zero or more whitespace */
+ } else if (B_ISSPACE(*fmt)) {
+ fmt++;
+ while (B_ISSPACE(*buf)) {
+ buf++;
+ }
+ /* Plain text must match */
+ } else if (*buf++ != *fmt++) {
+// Dmsg2(000, "Mismatch buf=%c fmt=%c\n", *--buf, *--fmt);
+ error = true;
+ break;
}
- argv[i] = p; /* save ptr to value or NULL */
}
-#ifdef xxxx
- for (int i=0; i < *argc; i++) {
- Dmsg3(000, "Arg %d: kw=%s val=%s\n", i, argk[i], argv[i]?argv[i]:"NULL");
+ va_end(ap);
+// Dmsg2(000, "Error=%d count=%d\n", error, count);
+ if (error) {
+ count = -1;
}
+ return count;
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char *argv[])
+{
+ char buf[100];
+ uint32_t val32;
+ uint64_t val64;
+ uint32_t FirstIndex, LastIndex, StartFile, EndFile, StartBlock, EndBlock;
+ char Job[200];
+ int cnt;
+ char *helloreq= "Hello *UserAgent* calling\n";
+ char *hello = "Hello %127s calling\n";
+ char *catreq =
+"CatReq Job=NightlySave.2004-06-11_19.11.32 CreateJobMedia FirstIndex=1 LastIndex=114 StartFile=0 EndFile=0 StartBlock=208 EndBlock=2903248";
+static char Create_job_media[] = "CatReq Job=%127s CreateJobMedia "
+ "FirstIndex=%u LastIndex=%u StartFile=%u EndFile=%u "
+ "StartBlock=%u EndBlock=%u\n";
+static char OK_media[] = "1000 OK VolName=%127s VolJobs=%u VolFiles=%u"
+ " VolBlocks=%u VolBytes=%" lld " VolMounts=%u VolErrors=%u VolWrites=%u"
+ " MaxVolBytes=%" lld " VolCapacityBytes=%" lld " VolStatus=%20s"
+ " Slot=%d MaxVolJobs=%u MaxVolFiles=%u InChanger=%d"
+ " VolReadTime=%" lld " VolWriteTime=%" lld;
+ char *media =
+"1000 OK VolName=TestVolume001 VolJobs=0 VolFiles=0 VolBlocks=0 VolBytes=1 VolMounts=0 VolErrors=0 VolWrites=0 MaxVolBytes=0 VolCapacityBytes=0 VolStatus=Append Slot=0 MaxVolJobs=0 MaxVolFiles=0 InChanger=1 VolReadTime=0 VolWriteTime=0";
+struct VOLUME_CAT_INFO {
+ /* Media info for the current Volume */
+ uint32_t VolCatJobs; /* number of jobs on this Volume */
+ uint32_t VolCatFiles; /* Number of files */
+ uint32_t VolCatBlocks; /* Number of blocks */
+ uint64_t VolCatBytes; /* Number of bytes written */
+ uint32_t VolCatMounts; /* Number of mounts this volume */
+ uint32_t VolCatErrors; /* Number of errors this volume */
+ uint32_t VolCatWrites; /* Number of writes this volume */
+ uint32_t VolCatReads; /* Number of reads this volume */
+ uint64_t VolCatRBytes; /* Number of bytes read */
+ uint32_t VolCatRecycles; /* Number of recycles this volume */
+ int32_t Slot; /* Slot in changer */
+ bool InChanger; /* Set if vol in current magazine */
+ uint32_t VolCatMaxJobs; /* Maximum Jobs to write to volume */
+ uint32_t VolCatMaxFiles; /* Maximum files to write to volume */
+ uint64_t VolCatMaxBytes; /* Max bytes to write to volume */
+ uint64_t VolCatCapacityBytes; /* capacity estimate */
+ uint64_t VolReadTime; /* time spent reading */
+ uint64_t VolWriteTime; /* time spent writing this Volume */
+ char VolCatStatus[20]; /* Volume status */
+ char VolCatName[MAX_NAME_LENGTH]; /* Desired volume to mount */
+};
+ struct VOLUME_CAT_INFO vol;
+
+#ifdef xxx
+ bsscanf("Hello_world 123 1234", "%120s %ld %lld", buf, &val32, &val64);
+ printf("%s %d %lld\n", buf, val32, val64);
+
+ *Job=0;
+ cnt = bsscanf(catreq, Create_job_media, &Job,
+ &FirstIndex, &LastIndex, &StartFile, &EndFile,
+ &StartBlock, &EndBlock);
+ printf("cnt=%d Job=%s\n", cnt, Job);
+ cnt = bsscanf(helloreq, hello, &Job);
+ printf("cnt=%d Agent=%s\n", cnt, Job);
#endif
- return 1;
+ cnt = bsscanf(media, OK_media,
+ vol.VolCatName,
+ &vol.VolCatJobs, &vol.VolCatFiles,
+ &vol.VolCatBlocks, &vol.VolCatBytes,
+ &vol.VolCatMounts, &vol.VolCatErrors,
+ &vol.VolCatWrites, &vol.VolCatMaxBytes,
+ &vol.VolCatCapacityBytes, vol.VolCatStatus,
+ &vol.Slot, &vol.VolCatMaxJobs, &vol.VolCatMaxFiles,
+ &vol.InChanger, &vol.VolReadTime, &vol.VolWriteTime);
+ printf("cnt=%d Vol=%s\n", cnt, vol.VolCatName);
+
}
+
+#endif
projects / bacula / bacula / blobdiff