version 1.2.2.3, 2014/02/20 01:31:50
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version 1.3, 2014/02/18 12:46:39
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Line 117 txAck(sched_task_t *task)
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Line 117 txAck(sched_task_t *task)
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} |
} |
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static int |
static int |
getOpts(rpack_t * __restrict pkt) | getOpts(const char *opts, int rlen) |
{ |
{ |
char *opt, *val; | if (!opts) |
int len; | return -1; |
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do { |
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/* option */ |
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len = str_getString(RPACK_NEXT(pkt), RPACK_REMAIN(pkt), NULL); |
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if (len == -1) |
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return -1; |
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opt = (char*) rpack_rnext(pkt, len); |
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if (!opt) |
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return -1; |
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/* value */ |
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len = str_getString(RPACK_NEXT(pkt), RPACK_REMAIN(pkt), NULL); |
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if (len == -1) |
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return -1; |
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val = (char*) rpack_rnext(pkt, len); |
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if (!val) |
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return -1; |
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if (!strcasecmp(opt, TFTP_OPT_BLKSIZE)) { |
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len = strtol(val, NULL, 10); |
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if (len > TFTP_LOAD_MAX) |
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cli.siz = len; |
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} else if (!strcasecmp(opt, TFTP_OPT_TSIZE)) |
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cli.tsiz = strtoll(val, NULL, 10); |
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else if (!strcasecmp(opt, TFTP_OPT_TIMEOUT)) |
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cli.tout = strtol(val, NULL, 10); |
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else |
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return -1; |
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} while (!RPACK_ISEND(pkt)); |
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EVERBOSE(4, "blksize=%u tsize=%llu timeout=%u", cli.siz, cli.tsiz, cli.tout); |
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return 0; |
return 0; |
} |
} |
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static void * |
static void * |
txOack(sched_task_t *task) |
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{ |
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rpack_t *pkt = TASK_DATA(task); |
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u_short n = htons(TFTP_OPC_OACK); |
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struct stat sb; |
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char szStr[STRSIZ]; |
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ETRACE(); |
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RPACK_REWIND(pkt); |
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rpack_uint16(pkt, &n, 0); |
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/* if opcode is RRQ and tsize is 0 then we must return file size to client */ |
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if (cli.opc == TFTP_OPC_RRQ && !cli.tsiz && stat(cli.file, &sb) != -1) |
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cli.tsiz = sb.st_size; |
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if (cli.siz > TFTP_LOAD_MAX) { |
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memset(szStr, 0, sizeof szStr); |
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snprintf(szStr, sizeof szStr, "%u", cli.siz); |
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rpack_rdata(pkt, TFTP_OPT_BLKSIZE, strlen(TFTP_OPT_BLKSIZE) + 1); |
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rpack_rdata(pkt, szStr, strlen(szStr) + 1); |
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} |
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if (cli.tsiz) { |
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memset(szStr, 0, sizeof szStr); |
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snprintf(szStr, sizeof szStr, "%llu", cli.tsiz); |
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rpack_rdata(pkt, TFTP_OPT_TSIZE, strlen(TFTP_OPT_TSIZE) + 1); |
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rpack_rdata(pkt, szStr, strlen(szStr) + 1); |
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} |
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if (cli.tout) { |
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memset(szStr, 0, sizeof szStr); |
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snprintf(szStr, sizeof szStr, "%u", cli.tout); |
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rpack_rdata(pkt, TFTP_OPT_TIMEOUT, strlen(TFTP_OPT_TIMEOUT) + 1); |
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rpack_rdata(pkt, szStr, strlen(szStr) + 1); |
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} |
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schedEvent(TASK_ROOT(task), txPkt, NULL, TASK_FD(task), |
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TASK_DATA(task), RPACK_OFF(pkt)); |
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taskExit(task, NULL); |
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} |
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static void * |
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RQ(sched_task_t *task) |
RQ(sched_task_t *task) |
{ |
{ |
rpack_t *pkt = TASK_DATA(task); |
rpack_t *pkt = TASK_DATA(task); |
struct tftp_hdr *tftp = (struct tftp_hdr*) RPACK_BUF(pkt); |
struct tftp_hdr *tftp = (struct tftp_hdr*) RPACK_BUF(pkt); |
int len, rlen = TASK_DATLEN(task) - 2; |
int len, rlen = TASK_DATLEN(task) - 2; |
char *str; | char *str, *opts; |
u_short code = 0; |
u_short code = 0; |
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ETRACE(); |
ETRACE(); |
Line 214 RQ(sched_task_t *task)
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Line 144 RQ(sched_task_t *task)
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rlen -= len; |
rlen -= len; |
strlcpy(cli.file, (char*) tftp->tftp_data, sizeof cli.file); |
strlcpy(cli.file, (char*) tftp->tftp_data, sizeof cli.file); |
} |
} |
len = str_getString((const u_char*) str, rlen, NULL); | len = str_getString((const u_char*) str, rlen, &opts); |
if (len == -1) |
if (len == -1) |
goto end; |
goto end; |
else { |
else { |
Line 233 RQ(sched_task_t *task)
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Line 163 RQ(sched_task_t *task)
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} |
} |
} |
} |
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/* tftp extended options */ |
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if (!RPACK_ISEND(pkt) && !getOpts(opts, rlen)) |
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cli.opts = 42; /* we have options */ |
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cli.opc = ntohs(tftp->tftp_opc); |
cli.opc = ntohs(tftp->tftp_opc); |
switch (cli.opc) { |
switch (cli.opc) { |
case TFTP_OPC_RRQ: |
case TFTP_OPC_RRQ: |
Line 247 RQ(sched_task_t *task)
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Line 181 RQ(sched_task_t *task)
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EVERBOSE(2, "WRQ:: file=%s mode=%s\n", cli.file, cli.mode); |
EVERBOSE(2, "WRQ:: file=%s mode=%s\n", cli.file, cli.mode); |
break; |
break; |
} |
} |
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if (!RPACK_ISEND(pkt) && !getOpts(pkt)) |
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schedEvent(TASK_ROOT(task), txOack, NULL, TASK_FD(task), |
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TASK_DATA(task), 0); |
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cli.fd = open(cli.file, code, 0644); |
cli.fd = open(cli.file, code, 0644); |
if (cli.fd == -1) { |
if (cli.fd == -1) { |
if (errno == EACCES) |
if (errno == EACCES) |