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Diffstat (limited to 'smbinfo.c')
-rw-r--r--smbinfo.c197
1 files changed, 164 insertions, 33 deletions
diff --git a/smbinfo.c b/smbinfo.c
index 02910c6..6290a4c 100644
--- a/smbinfo.c
+++ b/smbinfo.c
@@ -52,10 +52,13 @@ struct smb_query_info {
#define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info)
#define INPUT_BUFFER_LENGTH 16384
+int verbose;
+
static void
usage(char *name)
{
- fprintf(stderr, "Usage: %s <command> <file>\n"
+ fprintf(stderr, "Usage: %s [-V] <command> <file>\n"
+ "-V for verbose output\n"
"Commands are\n"
" fileaccessinfo:\n"
" Prints FileAccessInfo for a cifs file.\n"
@@ -148,11 +151,22 @@ struct bit_string file_access_mask[] = {
static void
print_bits(uint32_t mask, struct bit_string *bs)
{
+ int first = 1;
+
+ if (!verbose) {
+ return;
+ }
+
while (bs->string) {
- if (mask & bs->bit)
- printf("%s ", bs->string);
+ if (mask & bs->bit) {
+ printf("%s%s", first?"":",", bs->string);
+ first = 0;
+ }
bs++;
}
+ if (!first) {
+ printf(" ");
+ }
}
static void
@@ -591,17 +605,106 @@ print_sid(unsigned char *sd)
for (i = 0; i < sd[1]; i++) {
memcpy(&subauth, &sd[8 + 4 * i], 4);
subauth = le32toh(subauth);
- printf("-%d", subauth);
+ printf("-%u", subauth);
}
}
static void
-print_acl(unsigned char *sd)
+print_ace_type(uint8_t t)
+{
+ switch(t) {
+ case 0x00: printf("ALLOWED"); break;
+ case 0x01: printf("DENIED"); break;
+ case 0x02: printf("AUDIT"); break;
+ case 0x03: printf("ALARM"); break;
+ case 0x04: printf("ALLOWED_COMPOUND"); break;
+ case 0x05: printf("ALLOWED_OBJECT"); break;
+ case 0x06: printf("DENIED_OBJECT"); break;
+ case 0x07: printf("AUDIT_OBJECT"); break;
+ case 0x08: printf("ALARM_OBJECT"); break;
+ case 0x09: printf("ALLOWED_CALLBACK"); break;
+ case 0x0a: printf("DENIED_CALLBACK"); break;
+ case 0x0b: printf("ALLOWED_CALLBACK_OBJECT"); break;
+ case 0x0c: printf("DENIED_CALLBACK_OBJECT"); break;
+ case 0x0d: printf("AUDIT_CALLBACK"); break;
+ case 0x0e: printf("ALARM_CALLBACK"); break;
+ case 0x0f: printf("AUDIT_CALLBACK_OBJECT"); break;
+ case 0x10: printf("ALARM_CALLBACK_OBJECT"); break;
+ case 0x11: printf("MANDATORY_LABEL"); break;
+ case 0x12: printf("RESOURCE_ATTRIBUTE"); break;
+ case 0x13: printf("SCOPED_POLICY_ID"); break;
+ default: printf("<UNKNOWN>");
+ }
+ printf(" ");
+}
+
+struct bit_string ace_flags_mask[] = {
+ { 0x80, "FAILED_ACCESS" },
+ { 0x40, "SUCCESSFUL_ACCESS" },
+ { 0x10, "INHERITED" },
+ { 0x08, "INHERIT_ONLY" },
+ { 0x04, "NO_PROPAGATE_INHERIT" },
+ { 0x02, "CONTAINER_INHERIT" },
+ { 0x01, "OBJECT_INHERIT" },
+ { 0, NULL }
+};
+
+static void
+print_mask_sid_ace(unsigned char *sd, int type)
+{
+ uint32_t u32;
+
+ memcpy(&u32, &sd[0], 4);
+ printf("Mask:0x%08x ", le32toh(u32));
+ if (type == S_IFDIR) {
+ print_bits(le32toh(u32), directory_access_mask);
+ } else {
+ print_bits(le32toh(u32), file_access_mask);
+ }
+ printf("SID:");
+ print_sid(&sd[4]);
+ printf("\n");
+}
+
+static int
+print_ace(unsigned char *sd, int type)
+{
+ uint16_t size;
+ int i;
+
+ printf("Type:0x%02x ", sd[0]);
+ if (verbose) {
+ print_ace_type(sd[0]);
+ }
+
+ printf("Flags:0x%02x ", sd[1]);
+ print_bits(sd[1], ace_flags_mask);
+
+ memcpy(&size, &sd[2], 2);
+ size = le16toh(size);
+
+ switch (sd[0]) {
+ case 0x00:
+ case 0x01:
+ case 0x02:
+ print_mask_sid_ace(&sd[4], type);
+ break;
+ default:
+ for (i = 0; i < size; i++)
+ printf("%02x", sd[4 + i]);
+ }
+
+ printf("\n");
+ return size;
+}
+
+static void
+print_acl(unsigned char *sd, int type)
{
- int i, j, off;
- uint16_t count, size;
+ int i, off;
+ uint16_t count;
- if (sd[0] != 2) {
+ if ((sd[0] != 2) && (sd[0] != 4)) {
fprintf(stderr, "Unknown ACL revision\n");
return;
}
@@ -610,22 +713,43 @@ print_acl(unsigned char *sd)
count = le16toh(count);
off = 8;
for (i = 0; i < count; i++) {
- printf("Type:%02x Flags:%02x ", sd[off], sd[off + 1]);
- memcpy(&size, &sd[off + 2], 2);
- size = le16toh(size);
+ off += print_ace(&sd[off], type);
+ }
+}
- for (j = 0; j < size; j++)
- printf("%02x", sd[off + 4 + j]);
+struct bit_string control_bits_mask[] = {
+ { 0x8000, "SR" },
+ { 0x4000, "RM" },
+ { 0x2000, "PS" },
+ { 0x1000, "PD" },
+ { 0x0800, "SI" },
+ { 0x0400, "DI" },
+ { 0x0200, "SC" },
+ { 0x0100, "DC" },
+ { 0x0080, "DT" },
+ { 0x0040, "SS" },
+ { 0x0020, "SD" },
+ { 0x0010, "SP" },
+ { 0x0008, "DD" },
+ { 0x0004, "DP" },
+ { 0x0002, "GD" },
+ { 0x0001, "OD" },
+ { 0, NULL }
+};
- off += size;
- printf("\n");
- }
+static void
+print_control(uint16_t c)
+{
+ printf("Control: 0x%04x ", c);
+ print_bits(c, control_bits_mask);
+ printf("\n");
}
static void
-print_sd(uint8_t *sd)
+print_sd(uint8_t *sd, int type)
{
int offset_owner, offset_group, offset_dacl;
+ uint16_t u16;
printf("Revision:%d\n", sd[0]);
if (sd[0] != 1) {
@@ -633,7 +757,8 @@ print_sd(uint8_t *sd)
exit(1);
}
- printf("Control: %02x%02x\n", sd[2], sd[3]);
+ memcpy(&u16, &sd[2], 2);
+ print_control(le16toh(u16));
memcpy(&offset_owner, &sd[4], 4);
offset_owner = le32toh(offset_owner);
@@ -654,7 +779,7 @@ print_sd(uint8_t *sd)
}
if (offset_dacl) {
printf("DACL:\n");
- print_acl(&sd[offset_dacl]);
+ print_acl(&sd[offset_dacl], type);
}
}
@@ -662,6 +787,9 @@ static void
secdesc(int f)
{
struct smb_query_info *qi;
+ struct stat st;
+
+ fstat(f, &st);
qi = malloc(sizeof(struct smb_query_info) + INPUT_BUFFER_LENGTH);
memset(qi, 0, sizeof(qi) + INPUT_BUFFER_LENGTH);
@@ -675,7 +803,7 @@ secdesc(int f)
exit(1);
}
- print_sd((uint8_t *)(&qi[1]));
+ print_sd((uint8_t *)(&qi[1]), st.st_mode & S_IFMT);
free(qi);
}
@@ -777,11 +905,14 @@ int main(int argc, char *argv[])
int c;
int f;
- while ((c = getopt_long(argc, argv, "v", NULL, NULL)) != -1) {
+ while ((c = getopt_long(argc, argv, "vV", NULL, NULL)) != -1) {
switch (c) {
case 'v':
printf("smbinfo version %s\n", VERSION);
return 0;
+ case 'V':
+ verbose = 1;
+ break;
default:
usage(argv[0]);
}
@@ -796,29 +927,29 @@ int main(int argc, char *argv[])
}
- if (!strcmp(argv[1], "fileaccessinfo"))
+ if (!strcmp(argv[optind], "fileaccessinfo"))
fileaccessinfo(f);
- else if (!strcmp(argv[1], "filealigninfo"))
+ else if (!strcmp(argv[optind], "filealigninfo"))
filealigninfo(f);
- else if (!strcmp(argv[1], "fileallinfo"))
+ else if (!strcmp(argv[optind], "fileallinfo"))
fileallinfo(f);
- else if (!strcmp(argv[1], "filebasicinfo"))
+ else if (!strcmp(argv[optind], "filebasicinfo"))
filebasicinfo(f);
- else if (!strcmp(argv[1], "fileeainfo"))
+ else if (!strcmp(argv[optind], "fileeainfo"))
fileeainfo(f);
- else if (!strcmp(argv[1], "filefsfullsizeinfo"))
+ else if (!strcmp(argv[optind], "filefsfullsizeinfo"))
filefsfullsizeinfo(f);
- else if (!strcmp(argv[1], "fileinternalinfo"))
+ else if (!strcmp(argv[optind], "fileinternalinfo"))
fileinternalinfo(f);
- else if (!strcmp(argv[1], "filemodeinfo"))
+ else if (!strcmp(argv[optind], "filemodeinfo"))
filemodeinfo(f);
- else if (!strcmp(argv[1], "filepositioninfo"))
+ else if (!strcmp(argv[optind], "filepositioninfo"))
filepositioninfo(f);
- else if (!strcmp(argv[1], "filestandardinfo"))
+ else if (!strcmp(argv[optind], "filestandardinfo"))
filestandardinfo(f);
- else if (!strcmp(argv[1], "secdesc"))
+ else if (!strcmp(argv[optind], "secdesc"))
secdesc(f);
- else if (!strcmp(argv[1], "quota"))
+ else if (!strcmp(argv[optind], "quota"))
quota(f);
else {
fprintf(stderr, "Unknown command %s\n", argv[optind]);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-23 00:16:08 +0000