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sg3_utils/sg3_utils-1.48-covscan_fixes.patch

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* Thu Jan 27 2022 Tomas Bzatek <tbzatek@redhat.com> - 1.47-7 - Fix sg_inq parsing in rescan-scsi-bus.sh (#2036005,#2035362) - Fix rescan-scsi-bus.sh summary print (#2035382) - sg_readcap --zbc man page switch fix (#2036718) - Various Covscan fixes (#2044433) Resolves: #2036005,#2035362,#2035382,#2036718,#2044433
2022-01-27 17:33:58 +00:00
From 84c586f1f1d8bd102928f3ae95d1d1185a59de8f Mon Sep 17 00:00:00 2001
From: Douglas Gilbert <dgilbert@interlog.com>
Date: Wed, 19 Jan 2022 19:12:36 +0000
Subject: [PATCH] round of coverity identified issue fixes (and non-issues)
git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@931 6180dd3e-e324-4e3e-922d-17de1ae2f315
diff --git a/lib/sg_cmds_basic.c b/lib/sg_cmds_basic.c
index e177354..92dd102 100644
--- a/lib/sg_cmds_basic.c
+++ b/lib/sg_cmds_basic.c
@@ -192,7 +192,6 @@ int
sg_cmds_process_resp(struct sg_pt_base * ptvp, const char * leadin,
int pt_res, bool noisy, int verbose, int * o_sense_cat)
{
- bool favour_sense;
int cat, slen, sstat, req_din_x, req_dout_x;
int act_din_x, act_dout_x;
const uint8_t * sbp;
@@ -323,19 +322,23 @@ sg_cmds_process_resp(struct sg_pt_base * ptvp, const char * leadin,
get_scsi_pt_transport_err_str(ptvp, sizeof(b), b);
pr2ws("%s: transport: %s\n", leadin, b);
}
- /* Shall we favour sense data over a transport error (given both) */
#ifdef SG_LIB_LINUX
- favour_sense = false; /* DRIVER_SENSE is not passed through */
+ return -1; /* DRIVER_SENSE is not passed through */
#else
- favour_sense = ((SAM_STAT_CHECK_CONDITION ==
- get_scsi_pt_status_response(ptvp)) && (slen > 0));
+ /* Shall we favour sense data over a transport error (given both) */
+ {
+ bool favour_sense = ((SAM_STAT_CHECK_CONDITION ==
+ get_scsi_pt_status_response(ptvp)) && (slen > 0));
+
+ if (favour_sense)
+ return sg_cmds_process_helper(leadin, req_din_x, act_din_x,
+ req_dout_x, act_dout_x, sbp,
+ slen, noisy, verbose,
+ o_sense_cat);
+ else
+ return -1;
+ }
#endif
- if (favour_sense)
- return sg_cmds_process_helper(leadin, req_din_x, act_din_x,
- req_dout_x, act_dout_x, sbp, slen,
- noisy, verbose, o_sense_cat);
- else
- return -1;
case SCSI_PT_RESULT_OS_ERR:
if (verbose || noisy) {
get_scsi_pt_os_err_str(ptvp, sizeof(b), b);
diff --git a/lib/sg_cmds_extra.c b/lib/sg_cmds_extra.c
index 7d4f453..bacb033 100644
--- a/lib/sg_cmds_extra.c
+++ b/lib/sg_cmds_extra.c
@@ -1807,6 +1807,7 @@ sg_ll_ata_pt(int sg_fd, const uint8_t * cdbp, int cdb_len,
int k, res, slen, duration;
int ret = -1;
uint8_t apt_cdb[ATA_PT_32_CMDLEN];
+ uint8_t incoming_apt_cdb[ATA_PT_32_CMDLEN];
uint8_t sense_b[SENSE_BUFF_LEN] = {0};
uint8_t * sp;
const uint8_t * bp;
@@ -1815,18 +1816,25 @@ sg_ll_ata_pt(int sg_fd, const uint8_t * cdbp, int cdb_len,
char b[256];
memset(apt_cdb, 0, sizeof(apt_cdb));
+ memset(incoming_apt_cdb, 0, sizeof(incoming_apt_cdb));
+ if (NULL == cdbp) {
+ if (vb)
+ pr2ws("NULL cdb pointer\n");
+ return -1;
+ }
+ memcpy(incoming_apt_cdb, cdbp, cdb_len);
b[0] = '\0';
switch (cdb_len) {
case 12:
cnamep = "ATA pass-through(12)";
apt_cdb[0] = ATA_PT_12_CMD;
- memcpy(apt_cdb + 1, cdbp + 1, 10);
+ memcpy(apt_cdb + 1, incoming_apt_cdb + 1, 10);
/* control byte at cdb[11] left at zero */
break;
case 16:
cnamep = "ATA pass-through(16)";
apt_cdb[0] = ATA_PT_16_CMD;
- memcpy(apt_cdb + 1, cdbp + 1, 14);
+ memcpy(apt_cdb + 1, incoming_apt_cdb + 1, 14);
/* control byte at cdb[15] left at zero */
break;
case 32:
@@ -1835,17 +1843,12 @@ sg_ll_ata_pt(int sg_fd, const uint8_t * cdbp, int cdb_len,
/* control byte at cdb[1] left at zero */
apt_cdb[7] = 0x18; /* length starting at next byte */
sg_put_unaligned_be16(ATA_PT_32_SA, apt_cdb + 8);
- memcpy(apt_cdb + 10, cdbp + 10, 32 - 10);
+ memcpy(apt_cdb + 10, incoming_apt_cdb + 10, 32 - 10);
break;
default:
pr2ws("cdb_len must be 12, 16 or 32\n");
return -1;
}
- if (NULL == cdbp) {
- if (vb)
- pr2ws("%s NULL cdb pointer\n", cnamep);
- return -1;
- }
if (sensep && (max_sense_len >= (int)sizeof(sense_b))) {
sp = sensep;
slen = max_sense_len;
diff --git a/lib/sg_lib.c b/lib/sg_lib.c
index 35f0fbd..1b267e4 100644
--- a/lib/sg_lib.c
+++ b/lib/sg_lib.c
@@ -3556,16 +3556,15 @@ sg_f2hex_arr(const char * fname, bool as_binary, bool no_space,
k = read(fd, mp_arr, max_arr_len);
if (k <= 0) {
if (0 == k) {
- ret = SG_LIB_SYNTAX_ERROR;
+ ret = SG_LIB_FILE_ERROR;
pr2ws("read 0 bytes from binary file %s\n", fname);
} else {
ret = sg_convert_errno(errno);
pr2ws("read from binary file %s: %s\n", fname,
safe_strerror(errno));
}
- goto bin_fini;
- }
- if ((0 == fstat(fd, &a_stat)) && S_ISFIFO(a_stat.st_mode)) {
+ } else if ((k < max_arr_len) && (0 == fstat(fd, &a_stat)) &&
+ S_ISFIFO(a_stat.st_mode)) {
/* pipe; keep reading till error or 0 read */
while (k < max_arr_len) {
m = read(fd, mp_arr + k, max_arr_len - k);
@@ -3576,13 +3575,13 @@ sg_f2hex_arr(const char * fname, bool as_binary, bool no_space,
pr2ws("read from binary pipe %s: %s\n", fname,
safe_strerror(err));
ret = sg_convert_errno(err);
- goto bin_fini;
+ break;
}
k += m;
}
}
- *mp_arr_len = k;
-bin_fini:
+ if (k >= 0)
+ *mp_arr_len = k;
if ((fd >= 0) && (! has_stdin))
close(fd);
return ret;
@@ -3623,9 +3622,17 @@ sg_f2hex_arr(const char * fname, bool as_binary, bool no_space,
if (isxdigit(line[0])) {
carry_over[1] = line[0];
carry_over[2] = '\0';
- if (1 == sscanf(carry_over, "%4x", &h))
- mp_arr[off - 1] = h; /* back up and overwrite */
- else {
+ if (1 == sscanf(carry_over, "%4x", &h)) {
+ if (off > 0) {
+ if (off > max_arr_len) {
+ pr2ws("%s: array length exceeded\n", __func__);
+ ret = SG_LIB_LBA_OUT_OF_RANGE;
+ *mp_arr_len = max_arr_len;
+ goto fini;
+ } else
+ mp_arr[off - 1] = h; /* back up and overwrite */
+ }
+ } else {
pr2ws("%s: carry_over error ['%s'] around line %d\n",
__func__, carry_over, j + 1);
ret = SG_LIB_SYNTAX_ERROR;
@@ -3667,8 +3674,8 @@ sg_f2hex_arr(const char * fname, bool as_binary, bool no_space,
*mp_arr_len = max_arr_len;
ret = SG_LIB_LBA_OUT_OF_RANGE;
goto fini;
- }
- mp_arr[off + k] = h;
+ } else
+ mp_arr[off + k] = h;
}
if (isxdigit(*lcp) && (! isxdigit(*(lcp + 1))))
carry_over[0] = *lcp;
@@ -3692,8 +3699,8 @@ sg_f2hex_arr(const char * fname, bool as_binary, bool no_space,
ret = SG_LIB_LBA_OUT_OF_RANGE;
*mp_arr_len = max_arr_len;
goto fini;
- }
- mp_arr[off + k] = h;
+ } else
+ mp_arr[off + k] = h;
lcp = strpbrk(lcp, " ,\t");
if (NULL == lcp)
break;
@@ -3766,7 +3773,11 @@ uint32_t
sg_get_page_size(void)
{
#if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
- return (uint32_t)sysconf(_SC_PAGESIZE); /* POSIX.1 (was getpagesize()) */
+ {
+ long res = sysconf(_SC_PAGESIZE); /* POSIX.1 (was getpagesize()) */
+
+ return (res <= 0) ? 4096 : res;
+ }
#elif defined(SG_LIB_WIN32)
static bool got_page_size = false;
static uint32_t win_page_size;
diff --git a/src/sg_dd.c b/src/sg_dd.c
index 2fa3750..65f7698 100644
--- a/src/sg_dd.c
+++ b/src/sg_dd.c
@@ -85,6 +85,8 @@ static const char * version_str = "6.31 20211114";
#define DEF_BLOCKS_PER_2048TRANSFER 32
#define DEF_SCSI_CDBSZ 10
#define MAX_SCSI_CDBSZ 16
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define DEF_MODE_CDB_SZ 10
#define DEF_MODE_RESP_LEN 252
@@ -1848,15 +1850,16 @@ main(int argc, char * argv[])
bpt_given = true;
} else if (0 == strcmp(key, "bs")) {
blk_sz = sg_get_num(buf);
- bpt_given = true;
- } else if (0 == strcmp(key, "bs")) {
- blk_sz = sg_get_num(buf);
- if (-1 == blk_sz) {
+ if ((blk_sz < 0) || (blk_sz > MAX_BPT_VALUE)) {
pr2serr(ME "bad argument to 'bs='\n");
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key, "cdbsz")) {
iflag.cdbsz = sg_get_num(buf);
+ if ((iflag.cdbsz < 6) || (iflag.cdbsz > 32)) {
+ pr2serr(ME "'cdbsz' expects 6, 10, 12, 16 or 32\n");
+ return SG_LIB_SYNTAX_ERROR;
+ }
oflag.cdbsz = iflag.cdbsz;
cdbsz_given = true;
} else if (0 == strcmp(key, "cdl")) {
@@ -1894,7 +1897,7 @@ main(int argc, char * argv[])
} else if (0 == strcmp(key, "count")) {
if (0 != strcmp("-1", buf)) {
dd_count = sg_get_llnum(buf);
- if (-1LL == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'count='\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -1906,9 +1909,13 @@ main(int argc, char * argv[])
t = sg_get_num(buf);
oflag.fua = !! (t & 1);
iflag.fua = !! (t & 2);
- } else if (0 == strcmp(key, "ibs"))
+ } else if (0 == strcmp(key, "ibs")) {
ibs = sg_get_num(buf);
- else if (strcmp(key, "if") == 0) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
+ pr2serr(ME "bad argument to 'ibs='\n");
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (strcmp(key, "if") == 0) {
if ('\0' != inf[0]) {
pr2serr("Second IFILE argument??\n");
return SG_LIB_SYNTAX_ERROR;
@@ -1921,9 +1928,13 @@ main(int argc, char * argv[])
pr2serr(ME "bad argument to 'iflag='\n");
return SG_LIB_SYNTAX_ERROR;
}
- } else if (0 == strcmp(key, "obs"))
+ } else if (0 == strcmp(key, "obs")) {
obs = sg_get_num(buf);
- else if (0 == strcmp(key, "odir")) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
+ pr2serr(ME "bad argument to 'obs='\n");
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key, "odir")) {
iflag.direct = !! sg_get_num(buf);
oflag.direct = iflag.direct;
} else if (strcmp(key, "of") == 0) {
@@ -1956,13 +1967,13 @@ main(int argc, char * argv[])
}
} else if (0 == strcmp(key, "seek")) {
seek = sg_get_llnum(buf);
- if (-1LL == seek) {
+ if ((seek < 0) || (seek > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'seek='\n");
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key, "skip")) {
skip = sg_get_llnum(buf);
- if (-1LL == skip) {
+ if ((skip < 0) || (skip > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'skip='\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -2080,8 +2091,8 @@ main(int argc, char * argv[])
pr2serr("Can't use both append and seek switches\n");
return SG_LIB_CONTRADICT;
}
- if (bpt < 1) {
- pr2serr("bpt must be greater than 0\n");
+ if ((bpt < 1) || (bpt > MAX_BPT_VALUE)) {
+ pr2serr("bpt must be > 0 and <= %d\n", MAX_BPT_VALUE);
return SG_LIB_SYNTAX_ERROR;
}
if (iflag.sparse)
diff --git a/src/sg_logs.c b/src/sg_logs.c
index 694ee6e..de5d339 100644
--- a/src/sg_logs.c
+++ b/src/sg_logs.c
@@ -669,8 +673,8 @@ get_vp_mask(int vpn)
if (vpn < 0)
return 0;
else
- return (vpn > (32 - MVP_OFFSET)) ? OVP_ALL :
- (1 << (vpn + MVP_OFFSET));
+ return (vpn >= (32 - MVP_OFFSET)) ? OVP_ALL :
+ (1 << (vpn + MVP_OFFSET));
}
static int
diff --git a/src/sg_map26.c b/src/sg_map26.c
index 3fca019..2ea8d69 100644
--- a/src/sg_map26.c
+++ b/src/sg_map26.c
@@ -396,7 +396,7 @@ list_matching_nodes(const char * dir_name, int file_type, int majj, int minn,
}
struct sg_item_t {
- char name[NAME_LEN_MAX];
+ char name[NAME_LEN_MAX + 2];
int ft;
int nt;
int d_type;
diff --git a/src/sg_modes.c b/src/sg_modes.c
index 47062b1..c0fc87f 100644
--- a/src/sg_modes.c
+++ b/src/sg_modes.c
@@ -790,6 +790,9 @@ dStrRaw(const uint8_t * str, int len)
printf("%c", str[k]);
}
+/* Note to coverity: this function is safe as long as the page_code_desc
+ * objects pointed to by pcdp have a sentinel object at the end of each
+ * array. And they do by design.*/
static int
count_desc_elems(const struct page_code_desc * pcdp)
{
diff --git a/src/sg_persist.c b/src/sg_persist.c
index e779fe4..872f16e 100644
--- a/src/sg_persist.c
+++ b/src/sg_persist.c
@@ -1279,7 +1279,9 @@ main(int argc, char * argv[])
flagged = true;
goto fini;
}
- sg_cmds_close_device(sg_fd);
+ res = sg_cmds_close_device(sg_fd);
+ if (res < 0)
+ pr2serr("%s: sg_cmds_close_device() failed res=%d\n", ME, res);
}
if (! op->readwrite_force) {
diff --git a/src/sg_raw.c b/src/sg_raw.c
index 9cfa19c..453a85a 100644
--- a/src/sg_raw.c
+++ b/src/sg_raw.c
@@ -323,7 +323,7 @@ parse_cmd_line(struct opts_t * op, int argc, char *argv[])
return SG_LIB_SYNTAX_ERROR;
}
- if (op->cdb_length > MAX_SCSI_CDBSZ) {
+ if (op->cdb_length >= MAX_SCSI_CDBSZ) {
pr2serr("CDB too long (max. %d bytes)\n", MAX_SCSI_CDBSZ);
return SG_LIB_SYNTAX_ERROR;
}
diff --git a/src/sg_read.c b/src/sg_read.c
index 628e0d8..a4f7cee 100644
--- a/src/sg_read.c
+++ b/src/sg_read.c
@@ -58,12 +58,14 @@
#include "sg_pr2serr.h"
-static const char * version_str = "1.36 20191220";
+static const char * version_str = "1.38 20220118";
#define DEF_BLOCK_SIZE 512
#define DEF_BLOCKS_PER_TRANSFER 128
#define DEF_SCSI_CDBSZ 10
#define MAX_SCSI_CDBSZ 16
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define ME "sg_read: "
@@ -456,30 +458,35 @@ main(int argc, char * argv[])
do_blk_sgio = !! sg_get_num(buf);
else if (0 == strcmp(key,"bpt")) {
bpt = sg_get_num(buf);
- if (-1 == bpt) {
+ if ((bpt < 0) || (bpt > MAX_BPT_VALUE)) {
pr2serr( ME "bad argument to 'bpt'\n");
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key,"bs")) {
bs = sg_get_num(buf);
- if (-1 == bs) {
+ if ((bs < 0) || (bs > MAX_BPT_VALUE)) {
pr2serr( ME "bad argument to 'bs'\n");
return SG_LIB_SYNTAX_ERROR;
}
- } else if (0 == strcmp(key,"cdbsz"))
+ } else if (0 == strcmp(key,"cdbsz")) {
scsi_cdbsz = sg_get_num(buf);
- else if (0 == strcmp(key,"count")) {
+ if ((scsi_cdbsz < 0) || (scsi_cdbsz > 32)) {
+ pr2serr( ME "bad argument to 'cdbsz', expect 6, 10, 12, 16 "
+ "or 32\n");
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"count")) {
count_given = true;
if ('-' == *buf) {
dd_count = sg_get_llnum(buf + 1);
- if (-1 == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr( ME "bad argument to 'count'\n");
return SG_LIB_SYNTAX_ERROR;
}
dd_count = - dd_count;
} else {
dd_count = sg_get_llnum(buf);
- if (-1 == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr( ME "bad argument to 'count'\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -504,7 +511,7 @@ main(int argc, char * argv[])
outf[INF_SZ - 1] = '\0';
} else if (0 == strcmp(key,"skip")) {
skip = sg_get_llnum(buf);
- if (-1 == skip) {
+ if ((skip < 0) || (skip > MAX_COUNT_SKIP_SEEK)) {
pr2serr( ME "bad argument to 'skip'\n");
return SG_LIB_SYNTAX_ERROR;
}
diff --git a/src/sg_read_buffer.c b/src/sg_read_buffer.c
index 93c32a5..01a79c3 100644
--- a/src/sg_read_buffer.c
+++ b/src/sg_read_buffer.c
@@ -483,7 +483,10 @@ main(int argc, char * argv[])
do_long = true;
break;
case 'm':
- if (isdigit((uint8_t)*optarg)) {
+ if (NULL == optarg) {
+ pr2serr("bad argument to '--mode'\n");
+ return SG_LIB_SYNTAX_ERROR;
+ } else if (isdigit((uint8_t)*optarg)) {
rb_mode = sg_get_num(optarg);
if ((rb_mode < 0) || (rb_mode > 31)) {
pr2serr("argument to '--mode' should be in the range 0 "
diff --git a/src/sg_sat_phy_event.c b/src/sg_sat_phy_event.c
index 9b1f588..090ecf7 100644
--- a/src/sg_sat_phy_event.c
+++ b/src/sg_sat_phy_event.c
@@ -154,15 +154,17 @@ dStrRaw(const uint8_t * str, int len)
}
/* ATA READ LOG EXT command [2Fh, PIO data-in] */
-/* N.B. "log_addr" is the log page number, "page_in_log" is usually false */
+/* N.B. "log_addr" is the log page number, "page_in_log" is usually 0 */
static int
-do_read_log_ext(int sg_fd, int log_addr, bool page_in_log, int feature,
+do_read_log_ext(int sg_fd, int log_addr, int page_in_log, int feature,
int blk_count, void * resp, int mx_resp_len, int cdb_len,
bool ck_cond, bool extend, int do_hex, bool do_raw,
int verbose)
{
/* Following for ATA READ/WRITE MULTIPLE (EXT) cmds, normally 0 */
+#if 0
bool t_type = false;/* false -> 512 byte LBs, true -> device's LB size */
+#endif
bool t_dir = true; /* false -> to device, 1 -> from device */
bool byte_block = true; /* false -> bytes, true -> 512 byte blocks (if
t_type=false) */
@@ -205,8 +207,10 @@ do_read_log_ext(int sg_fd, int log_addr, bool page_in_log, int feature,
apt_cdb[2] = t_length;
if (ck_cond)
apt_cdb[2] |= 0x20;
+#if 0
if (t_type)
apt_cdb[2] |= 0x10;
+#endif
if (t_dir)
apt_cdb[2] |= 0x8;
if (byte_block)
@@ -226,8 +230,10 @@ do_read_log_ext(int sg_fd, int log_addr, bool page_in_log, int feature,
apt12_cdb[2] = t_length;
if (ck_cond)
apt12_cdb[2] |= 0x20;
+#if 0
if (t_type)
apt12_cdb[2] |= 0x10;
+#endif
if (t_dir)
apt12_cdb[2] |= 0x8;
if (byte_block)
@@ -487,7 +493,7 @@ int main(int argc, char * argv[])
return sg_convert_errno(err);
}
ret = do_read_log_ext(sg_fd, SATA_PHY_EVENT_LPAGE,
- false /* page_in_log */,
+ 0 /* page_in_log */,
(reset ? 1 : 0) /* feature */,
1 /* blk_count */, inBuff,
READ_LOG_EXT_RESPONSE_LEN, cdb_len, ck_cond,
diff --git a/src/sg_scan_linux.c b/src/sg_scan_linux.c
index 7354ad4..c04206a 100644
--- a/src/sg_scan_linux.c
+++ b/src/sg_scan_linux.c
@@ -203,6 +203,7 @@ int main(int argc, char * argv[])
printf(ME "Out of memory\n");
return SG_LIB_CAT_OTHER;
}
+ strcpy(fname, "<null>");
for (k = 1, j = 0; k < argc; ++k) {
cp = argv[k];
diff --git a/src/sg_stpg.c b/src/sg_stpg.c
index e57b13c..a12b5ca 100644
--- a/src/sg_stpg.c
+++ b/src/sg_stpg.c
@@ -142,15 +142,14 @@ dStrRaw(const uint8_t * str, int len)
static int
decode_target_port(uint8_t * buff, int len, int *d_id, int *d_tpg)
{
- int c_set, assoc, desig_type, i_len;
- int off, u;
+ int c_set, assoc, desig_type, i_len, off;
const uint8_t * bp;
const uint8_t * ip;
*d_id = -1;
*d_tpg = -1;
off = -1;
- while ((u = sg_vpd_dev_id_iter(buff, len, &off, -1, -1, -1)) == 0) {
+ while (sg_vpd_dev_id_iter(buff, len, &off, -1, -1, -1) == 0) {
bp = buff + off;
i_len = bp[3];
if ((off + i_len + 4) > len) {
diff --git a/src/sg_vpd.c b/src/sg_vpd.c
index 0ca6303..1a74af5 100644
--- a/src/sg_vpd.c
+++ b/src/sg_vpd.c
@@ -755,6 +755,7 @@ decode_dev_ids_quiet(uint8_t * buff, int len, int m_assoc,
uint8_t sas_tport_addr[8];
rtp = 0;
+ u = 0;
memset(sas_tport_addr, 0, sizeof(sas_tport_addr));
for (k = 0, off = -1; true; ++k) {
if ((0 == k) && (0 != buff[2])) {
diff --git a/src/sg_xcopy.c b/src/sg_xcopy.c
index 4307668..39ad83c 100644
--- a/src/sg_xcopy.c
+++ b/src/sg_xcopy.c
@@ -306,7 +306,7 @@ open_sg(struct xcopy_fp_t * fp, int vb)
int devmajor, devminor, offset;
struct sg_simple_inquiry_resp sir;
char ebuff[EBUFF_SZ];
- int len;
+ int len, res;
devmajor = major(fp->devno);
devminor = minor(fp->devno);
@@ -344,7 +344,9 @@ open_sg(struct xcopy_fp_t * fp, int vb)
}
if (sg_simple_inquiry(fp->sg_fd, &sir, false, vb)) {
pr2serr("INQUIRY failed on %s\n", ebuff);
- sg_cmds_close_device(fp->sg_fd);
+ res = sg_cmds_close_device(fp->sg_fd);
+ if (res < 0)
+ pr2serr("sg_cmds_close_device() failed as well\n");
fp->sg_fd = -1;
return -1;
}
@@ -1024,7 +1026,7 @@ desc_from_vpd_id(int sg_fd, uint8_t *desc, int desc_len,
int res, verb;
uint8_t rcBuff[256], *bp, *best = NULL;
unsigned int len = 254;
- int off = -1, u, i_len, best_len = 0, assoc, desig, f_desig = 0;
+ int off = -1, i_len, best_len = 0, assoc, desig, f_desig = 0;
char b[80];
verb = (verbose ? verbose - 1: 0);
@@ -1060,8 +1062,7 @@ desc_from_vpd_id(int sg_fd, uint8_t *desc, int desc_len,
hex2stderr(rcBuff, len, 1);
}
- while ((u = sg_vpd_dev_id_iter(rcBuff + 4, len - 4, &off, 0, -1, -1)) ==
- 0) {
+ while (sg_vpd_dev_id_iter(rcBuff + 4, len - 4, &off, 0, -1, -1) == 0) {
bp = rcBuff + 4 + off;
i_len = bp[3];
if (((unsigned int)off + i_len + 4) > len) {
diff --git a/src/sgm_dd.c b/src/sgm_dd.c
index e95fca9..aa656b3 100644
--- a/src/sgm_dd.c
+++ b/src/sgm_dd.c
@@ -69,13 +69,15 @@
#include "sg_pr2serr.h"
-static const char * version_str = "1.17 20211024";
+static const char * version_str = "1.19 20220118";
#define DEF_BLOCK_SIZE 512
#define DEF_BLOCKS_PER_TRANSFER 128
#define DEF_BLOCKS_PER_2048TRANSFER 32
#define DEF_SCSI_CDBSZ 10
#define MAX_SCSI_CDBSZ 16
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define ME "sgm_dd: "
@@ -795,6 +797,10 @@ main(int argc, char * argv[])
}
} else if (0 == strcmp(key,"cdbsz")) {
scsi_cdbsz_in = sg_get_num(buf);
+ if ((scsi_cdbsz_in < 6) || (scsi_cdbsz_in > 32)) {
+ pr2serr(ME "'cdbsz' expects 6, 10, 12, 16 or 32\n");
+ return SG_LIB_SYNTAX_ERROR;
+ }
scsi_cdbsz_out = scsi_cdbsz_in;
cdbsz_given = true;
} else if (0 == strcmp(key,"coe")) {
@@ -803,7 +809,7 @@ main(int argc, char * argv[])
} else if (0 == strcmp(key,"count")) {
if (0 != strcmp("-1", buf)) {
dd_count = sg_get_llnum(buf);
- if (-1LL == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'count'\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -818,7 +824,7 @@ main(int argc, char * argv[])
in_flags.fua = true;
} else if (0 == strcmp(key,"ibs")) {
ibs = sg_get_num(buf);
- if (-1 == ibs) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
pr2serr(ME "bad argument to 'ibs'\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -850,19 +856,19 @@ main(int argc, char * argv[])
}
} else if (0 == strcmp(key,"obs")) {
obs = sg_get_num(buf);
- if (-1 == obs) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
pr2serr(ME "bad argument to 'obs'\n");
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key,"seek")) {
seek = sg_get_llnum(buf);
- if (-1LL == seek) {
+ if ((seek < 0) || (seek > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'seek'\n");
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key,"skip")) {
skip = sg_get_llnum(buf);
- if (-1LL == skip) {
+ if ((skip < 0) || (skip > MAX_COUNT_SKIP_SEEK)) {
pr2serr(ME "bad argument to 'skip'\n");
return SG_LIB_SYNTAX_ERROR;
}
@@ -955,8 +961,8 @@ main(int argc, char * argv[])
pr2serr("Can't use both append and seek switches\n");
return SG_LIB_CONTRADICT;
}
- if (bpt < 1) {
- pr2serr("bpt must be greater than 0\n");
+ if ((bpt < 1) || (bpt > MAX_BPT_VALUE)) {
+ pr2serr("bpt must be > 0 and <= %d\n", MAX_BPT_VALUE);
return SG_LIB_SYNTAX_ERROR;
}
/* defaulting transfer size to 128*2048 for CD/DVDs is too large
diff --git a/src/sgp_dd.c b/src/sgp_dd.c
index b71bf7b..a36d9d0 100644
--- a/src/sgp_dd.c
+++ b/src/sgp_dd.c
@@ -85,13 +85,15 @@
#include "sg_pr2serr.h"
-static const char * version_str = "5.83 20211105";
+static const char * version_str = "5.84 20220118";
#define DEF_BLOCK_SIZE 512
#define DEF_BLOCKS_PER_TRANSFER 128
#define DEF_BLOCKS_PER_2048TRANSFER 32
#define DEF_SCSI_CDBSZ 10
#define MAX_SCSI_CDBSZ 16
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */
@@ -370,13 +372,15 @@ thread_exit_handler(int sig)
static char *
tsafe_strerror(int code, char * ebp)
{
+ int status;
char * cp;
- pthread_mutex_lock(&strerr_mut);
+ status = pthread_mutex_lock(&strerr_mut);
+ if (0 != status) pr2serr("lock strerr_mut");
cp = safe_strerror(code);
strncpy(ebp, cp, STRERR_BUFF_LEN);
- pthread_mutex_unlock(&strerr_mut);
-
+ status = pthread_mutex_unlock(&strerr_mut);
+ if (0 != status) pr2serr("unlock strerr_mut");
ebp[STRERR_BUFF_LEN - 1] = '\0';
return ebp;
}
@@ -649,8 +653,10 @@ sg_in_open(const char * fnp, struct flags_t * flagp, int bs, int bpt)
perror(ebuff);
return -sg_convert_errno(err);
}
- if (sg_prepare(fd, bs, bpt))
+ if (sg_prepare(fd, bs, bpt)) {
+ close(fd);
return -SG_LIB_FILE_ERROR;
+ }
return fd;
}
@@ -675,8 +681,10 @@ sg_out_open(const char * fnp, struct flags_t * flagp, int bs, int bpt)
perror(ebuff);
return -sg_convert_errno(err);
}
- if (sg_prepare(fd, bs, bpt))
+ if (sg_prepare(fd, bs, bpt)) {
+ close(fd);
return -SG_LIB_FILE_ERROR;
+ }
return fd;
}
@@ -1424,19 +1432,23 @@ main(int argc, char * argv[])
keylen = strlen(key);
if (0 == strcmp(key,"bpt")) {
clp->bpt = sg_get_num(buf);
- if (-1 == clp->bpt) {
+ if ((clp->bpt < 0) || (clp->bpt > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bpt='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
bpt_given = 1;
} else if (0 == strcmp(key,"bs")) {
clp->bs = sg_get_num(buf);
- if (-1 == clp->bs) {
+ if ((clp->bs < 0) || (clp->bs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key,"cdbsz")) {
clp->cdbsz_in = sg_get_num(buf);
+ if ((clp->cdbsz_in < 6) || (clp->cdbsz_in > 32)) {
+ pr2serr("%s'cdbsz' expects 6, 10, 12, 16 or 32\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
clp->cdbsz_out = clp->cdbsz_in;
cdbsz_given = 1;
} else if (0 == strcmp(key,"coe")) {
@@ -1445,7 +1457,7 @@ main(int argc, char * argv[])
} else if (0 == strcmp(key,"count")) {
if (0 != strcmp("-1", buf)) {
dd_count = sg_get_llnum(buf);
- if (-1LL == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr("%sbad argument to 'count='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -1464,7 +1476,7 @@ main(int argc, char * argv[])
clp->in_flags.fua = true;
} else if (0 == strcmp(key,"ibs")) {
ibs = sg_get_num(buf);
- if (-1 == ibs) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'ibs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -1483,7 +1495,7 @@ main(int argc, char * argv[])
}
} else if (0 == strcmp(key,"obs")) {
obs = sg_get_num(buf);
- if (-1 == obs) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'obs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -1502,13 +1514,13 @@ main(int argc, char * argv[])
}
} else if (0 == strcmp(key,"seek")) {
seek = sg_get_llnum(buf);
- if (-1LL == seek) {
+ if ((seek < 0) || (seek > MAX_COUNT_SKIP_SEEK)) {
pr2serr("%sbad argument to 'seek='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key,"skip")) {
skip = sg_get_llnum(buf);
- if (-1LL == skip) {
+ if ((skip < 0) || (skip > MAX_COUNT_SKIP_SEEK)) {
pr2serr("%sbad argument to 'skip='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -1611,8 +1623,8 @@ main(int argc, char * argv[])
pr2serr("Can't use both append and seek switches\n");
return SG_LIB_SYNTAX_ERROR;
}
- if (clp->bpt < 1) {
- pr2serr("bpt must be greater than 0\n");
+ if ((clp->bpt < 1) || (clp->bpt > MAX_BPT_VALUE)) {
+ pr2serr("bpt must be > 0 and <= %d\n", MAX_BPT_VALUE);
return SG_LIB_SYNTAX_ERROR;
}
if (clp->in_flags.mmap && clp->out_flags.mmap) {
@@ -1851,9 +1863,14 @@ main(int argc, char * argv[])
clp->out_count = dd_count;
clp->out_rem_count = dd_count;
clp->seek = seek;
- clp->out_blk = seek;
status = pthread_mutex_init(&clp->inout_mutex, NULL);
if (0 != status) err_exit(status, "init inout_mutex");
+ status = pthread_mutex_lock(&clp->inout_mutex);
+ if (0 != status) err_exit(status, "lock inout_mutex");
+ clp->out_blk = seek;
+ status = pthread_mutex_unlock(&clp->inout_mutex);
+ if (0 != status) err_exit(status, "unlock inout_mutex");
+
status = pthread_cond_init(&clp->out_sync_cv, NULL);
if (0 != status) err_exit(status, "init out_sync_cv");
diff --git a/testing/sg_mrq_dd.cpp b/testing/sg_mrq_dd.cpp
index a97aa9b..7b81a63 100644
--- a/testing/sg_mrq_dd.cpp
+++ b/testing/sg_mrq_dd.cpp
@@ -141,6 +141,8 @@ using namespace std;
#define MAX_SCSI_CDB_SZ 16 /* could be 32 */
#define PACK_ID_TID_MULTIPLIER (0x1000000) /* 16,777,216 */
#define MAX_SLICES 16 /* number of IFILE,OFILE pairs */
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */
#define READ_CAP_REPLY_LEN 8
@@ -3361,7 +3363,7 @@ skip_seek(struct global_collection *clp, const char * key, const char * buf,
}
} else { /* single number on command line (e.g. skip=1234) */
ll = sg_get_llnum(buf);
- if (-1LL == ll) {
+ if ((ll < 0) || (ll > MAX_COUNT_SKIP_SEEK)) {
pr2serr("bad argument to '%s='\n", key);
return SG_LIB_SYNTAX_ERROR;
}
@@ -3544,14 +3546,14 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
keylen = strlen(key);
if (0 == strcmp(key, "bpt")) {
clp->bpt = sg_get_num(buf);
- if (-1 == clp->bpt) {
+ if ((clp->bpt < 0) || (clp->bpt > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bpt='\n", my_name);
goto syn_err;
}
bpt_given = true;
} else if (0 == strcmp(key, "bs")) {
clp->bs = sg_get_num(buf);
- if (-1 == clp->bs) {
+ if ((clp->bs < 0) || (clp->bs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bs='\n", my_name);
goto syn_err;
}
@@ -3611,7 +3613,8 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
}
if (0 != strcmp("-1", buf)) {
clp->dd_count = sg_get_llnum(buf);
- if (-1LL == clp->dd_count) {
+ if ((clp->dd_count < 0) ||
+ (clp->dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr("%sbad argument to 'count='\n", my_name);
goto syn_err;
}
@@ -3622,7 +3625,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->out_flags.dio = clp->in_flags.dio;
} else if (0 == strcmp(key, "elemsz_kb")) {
n = sg_get_num(buf);
- if (n < 1) {
+ if ((n < 1) || (n > (MAX_BPT_VALUE / 1024))) {
pr2serr("elemsz_kb=EKB wants an integer > 0\n");
goto syn_err;
}
@@ -3646,7 +3649,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->in_flags.fua = true;
} else if (0 == strcmp(key, "ibs")) {
ibs = sg_get_num(buf);
- if (-1 == ibs) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'ibs='\n", my_name);
goto syn_err;
}
@@ -3700,7 +3703,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->out_flags.no_waitq = true;
} else if (0 == strcmp(key, "obs")) {
obs = sg_get_num(buf);
- if (-1 == obs) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'obs='\n", my_name);
goto syn_err;
}
@@ -3769,9 +3772,13 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
memcpy(skip_buf, buf, n + 1);
} else if (0 == strcmp(key, "sync"))
do_sync = !! sg_get_num(buf);
- else if (0 == strcmp(key, "thr"))
+ else if (0 == strcmp(key, "thr")) {
num_threads = sg_get_num(buf);
- else if (0 == strcmp(key, "time")) {
+ if ((num_threads < 0) || (num_threads > MAX_BPT_VALUE)) {
+ pr2serr("%sneed argument to 'skip='\n", my_name);
+ goto syn_err;
+ }
+ } else if (0 == strcmp(key, "time")) {
ccp = strchr(buf, ',');
do_time = sg_get_num(buf);
if (do_time < 0) {
@@ -3780,7 +3787,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
}
if (ccp) {
n = sg_get_num(ccp + 1);
- if (n < 0) {
+ if ((n < 0) || (n > (MAX_BPT_VALUE / 1000))) {
pr2serr("%sbad argument to 'time=0|1|2,TO'\n", my_name);
goto syn_err;
}
diff --git a/testing/sgh_dd.cpp b/testing/sgh_dd.cpp
index 38ee1d5..2c1f243 100644
--- a/testing/sgh_dd.cpp
+++ b/testing/sgh_dd.cpp
@@ -134,6 +134,8 @@ using namespace std;
#define DEF_SDT_CRT_SEC 3
#define DEF_SCSI_CDBSZ 10
#define MAX_SCSI_CDBSZ 16
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */
#define READ_CAP_REPLY_LEN 8
@@ -4043,19 +4045,23 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->aen_given = true;
} else if (0 == strcmp(key, "bpt")) {
clp->bpt = sg_get_num(buf);
- if (-1 == clp->bpt) {
+ if ((clp->bpt < 0) || (clp->bpt > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bpt='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
bpt_given = true;
} else if (0 == strcmp(key, "bs")) {
clp->bs = sg_get_num(buf);
- if (-1 == clp->bs) {
+ if ((clp->bs < 0) || (clp->bs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'bs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key, "cdbsz")) {
clp->cdbsz_in = sg_get_num(buf);
+ if ((clp->cdbsz_in < 6) || (clp->cdbsz_in > 32)) {
+ pr2serr("%s'cdbsz' expects 6, 10, 12, 16 or 32\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
clp->cdbsz_out = clp->cdbsz_in;
clp->cdbsz_given = true;
} else if (0 == strcmp(key, "coe")) {
@@ -4069,7 +4075,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
} else if (0 == strcmp(key, "count")) {
if (0 != strcmp("-1", buf)) {
dd_count = sg_get_llnum(buf);
- if (-1LL == dd_count) {
+ if ((dd_count < 0) || (dd_count > MAX_COUNT_SKIP_SEEK)) {
pr2serr("%sbad argument to 'count='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -4103,7 +4109,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->in_flags.fua = true;
} else if (0 == strcmp(key, "ibs")) {
ibs = sg_get_num(buf);
- if (-1 == ibs) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'ibs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -4148,7 +4154,7 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
clp->noshare = !! sg_get_num(buf);
} else if (0 == strcmp(key, "obs")) {
obs = sg_get_num(buf);
- if (-1 == obs) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
pr2serr("%sbad argument to 'obs='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
@@ -4206,13 +4212,13 @@ parse_cmdline_sanity(int argc, char * argv[], struct global_collection * clp,
}
} else if (0 == strcmp(key, "seek")) {
clp->seek = sg_get_llnum(buf);
- if (-1LL == clp->seek) {
+ if (clp->seek < 0) {
pr2serr("%sbad argument to 'seek='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
} else if (0 == strcmp(key, "skip")) {
clp->skip = sg_get_llnum(buf);
- if (-1LL == clp->skip) {
+ if (clp->skip < 0) {
pr2serr("%sbad argument to 'skip='\n", my_name);
return SG_LIB_SYNTAX_ERROR;
}
diff --git a/testing/sgs_dd.c b/testing/sgs_dd.c
index 65b2c06..60d25aa 100644
--- a/testing/sgs_dd.c
+++ b/testing/sgs_dd.c
@@ -100,6 +100,8 @@ static const char * my_name = "sgs_dd";
#define SGQ_MAX_RD_AHEAD 32
#define SGQ_MAX_WR_AHEAD 32
#define SGQ_NUM_ELEMS (SGQ_MAX_RD_AHEAD + SGQ_MAX_WR_AHEAD + 1)
+#define MAX_BPT_VALUE (1 << 24) /* used for maximum bs as well */
+#define MAX_COUNT_SKIP_SEEK (1LL << 48) /* coverity wants upper bound */
#define SGQ_FREE 0
#define SGQ_IO_STARTED 1
@@ -1274,17 +1276,33 @@ main(int argc, char * argv[])
buf++;
if (*buf)
*buf++ = '\0';
- if (0 == strcmp(key,"bpt"))
+ if (0 == strcmp(key,"bpt")) {
clp->bpt = sg_get_num(buf);
- else if (0 == strcmp(key,"bs"))
+ if ((clp->bpt < 0) || (clp->bpt > MAX_BPT_VALUE)) {
+ pr2serr("%s: bad argument to 'bpt='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"bs")) {
clp->bs = sg_get_num(buf);
- else if (0 == strcmp(key,"count"))
+ if ((clp->bs < 0) || (clp->bs > MAX_BPT_VALUE)) {
+ pr2serr("%s: bad argument to 'bs='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"count")) {
count = sg_get_num(buf);
- else if (0 == strcmp(key,"deb"))
+ if (count < 0) {
+ pr2serr("%s: bad argument to 'count='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"deb"))
clp->debug += sg_get_num(buf);
- else if (0 == strcmp(key,"ibs"))
+ else if (0 == strcmp(key,"ibs")) {
ibs = sg_get_num(buf);
- else if (strcmp(key,"if") == 0) {
+ if ((ibs < 0) || (ibs > MAX_BPT_VALUE)) {
+ pr2serr("%s: bad argument to 'ibs='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (strcmp(key,"if") == 0) {
memcpy(inf, buf, INOUTF_SZ);
inf[INOUTF_SZ - 1] = '\0';
} else if (0 == strcmp(key, "iflag")) {
@@ -1297,9 +1315,13 @@ main(int argc, char * argv[])
else if (0 == strcmp(key,"no_sig")) { /* default changes */
clp->no_sig = !!sg_get_num(buf);
no_sig_given = true;
- } else if (0 == strcmp(key,"obs"))
+ } else if (0 == strcmp(key,"obs")) {
obs = sg_get_num(buf);
- else if (strcmp(key,"of") == 0) {
+ if ((obs < 0) || (obs > MAX_BPT_VALUE)) {
+ pr2serr("%s: bad argument to 'obs='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (strcmp(key,"of") == 0) {
memcpy(outf, buf, INOUTF_SZ);
outf[INOUTF_SZ - 1] = '\0';
} else if (0 == strcmp(key, "oflag")) {
@@ -1311,11 +1333,19 @@ main(int argc, char * argv[])
clp->poll_ms = sg_get_num(buf);
else if (0 == strcmp(key,"rt_sig"))
clp->use_rt_sig = !!sg_get_num(buf);
- else if (0 == strcmp(key,"seek"))
+ else if (0 == strcmp(key,"seek")) {
seek = sg_get_num(buf);
- else if (0 == strcmp(key,"skip"))
+ if (seek < 0) {
+ pr2serr("%s: bad argument to 'seek='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"skip")) {
skip = sg_get_num(buf);
- else if (0 == strcmp(key,"time"))
+ if (skip < 0) {
+ pr2serr("%s: bad argument to 'skip='\n", my_name);
+ return SG_LIB_SYNTAX_ERROR;
+ }
+ } else if (0 == strcmp(key,"time"))
; /* do nothing */
else if ((0 == strcmp(key,"-V")) || (0 == strcmp(key,"--version"))) {
pr2serr("%s: version: %s\n", my_name, version_str);
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