| ︙ | | | ︙ | |
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* Default values */
#define PORT 80
#define THREAD_COUNT 5
#define BIND_ADDR "::"
#define CACHE_SIZE 8209
#define LOG_FILE "-"
/* Arguments for worker threads */
struct filed_worker_thread_args {
int fd;
};
/* Arguments for logging threads */
struct filed_logging_thread_args {
FILE *fp;
};
|
>
>
>
>
>
>
|
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* Default values */
#define PORT 80
#define THREAD_COUNT 5
#define BIND_ADDR "::"
#define CACHE_SIZE 8209
#define LOG_FILE "-"
/* Configuration options that work threads need to be aware of */
struct filed_options {
int vhosts_enabled;
};
/* Arguments for worker threads */
struct filed_worker_thread_args {
int fd;
struct filed_options options;
};
/* Arguments for logging threads */
struct filed_logging_thread_args {
FILE *fp;
};
|
| ︙ | | | ︙ | |
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
char etag[64];
};
/* Request variables */
struct filed_http_request {
/** Buffers **/
struct filed_fileinfo fileinfo;
char tmpbuf[1010];
/** HTTP Request information **/
/*** Type of request (HEAD or GET) ***/
enum {
FILED_REQUEST_METHOD_GET,
FILED_REQUEST_METHOD_HEAD
} method;
/*** Path being requested ***/
char path[FILED_PATH_BUFFER_SIZE];
struct {
struct {
int present;
off_t offset; /*** Range start ***/
off_t length; /*** Range length ***/
} range;
} headers;
};
/* Log record */
struct filed_log_entry {
/* Type of log entry */
enum {
|
|
>
>
>
>
>
|
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
char etag[64];
};
/* Request variables */
struct filed_http_request {
/** Buffers **/
struct filed_fileinfo fileinfo;
char tmpbuf[FILED_PATH_BUFFER_SIZE];
/** HTTP Request information **/
/*** Type of request (HEAD or GET) ***/
enum {
FILED_REQUEST_METHOD_GET,
FILED_REQUEST_METHOD_HEAD
} method;
/*** Path being requested ***/
char path[FILED_PATH_BUFFER_SIZE];
struct {
struct {
int present;
off_t offset; /*** Range start ***/
off_t length; /*** Range length ***/
} range;
struct {
int present;
char host[FILED_PATH_BUFFER_SIZE];
} host;
} headers;
};
/* Log record */
struct filed_log_entry {
/* Type of log entry */
enum {
|
| ︙ | | | ︙ | |
623
624
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629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
|
pthread_mutex_unlock(&cache->mutex);
return(buffer);
}
/* Process an HTTP request and return the path requested */
static struct filed_http_request *filed_get_http_request(FILE *fp, struct filed_http_request *buffer_st) {
char *method, *path;
char *buffer, *workbuffer, *workbuffer_next;
char *fgets_ret;
size_t buffer_len;
off_t range_start, range_end, range_length;
int range_request;
int i;
range_start = 0;
range_end = 0;
range_request = 0;
range_length = -1;
buffer = buffer_st->tmpbuf;
buffer_len = sizeof(buffer_st->tmpbuf);
fgets_ret = fgets(buffer, buffer_len, fp);
if (fgets_ret == NULL) {
return(NULL);
|
|
>
>
>
|
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
|
pthread_mutex_unlock(&cache->mutex);
return(buffer);
}
/* Process an HTTP request and return the path requested */
static struct filed_http_request *filed_get_http_request(FILE *fp, struct filed_http_request *buffer_st, struct filed_options *options) {
char *method, *path;
char *buffer, *workbuffer, *workbuffer_next;
char *fgets_ret;
size_t buffer_len;
off_t range_start, range_end, range_length;
int range_request;
int snprintf_ret;
int i;
/* Set to default values */
range_start = 0;
range_end = 0;
range_request = 0;
range_length = -1;
buffer_st->headers.host.present = 0;
buffer = buffer_st->tmpbuf;
buffer_len = sizeof(buffer_st->tmpbuf);
fgets_ret = fgets(buffer, buffer_len, fp);
if (fgets_ret == NULL) {
return(NULL);
|
| ︙ | | | ︙ | |
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
|
*buffer = '\0';
buffer++;
path = buffer;
/* Terminate path component */
buffer = strpbrk(buffer, "\r\n ");
if (buffer != NULL) {
*buffer = '\0';
buffer++;
}
/* We only handle the "GET" and "HEAD' methods */
if (strcasecmp(method, "head") != 0) {
|
|
|
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
|
*buffer = '\0';
buffer++;
path = buffer;
/* Terminate path component */
buffer = strpbrk(path, "\r\n ");
if (buffer != NULL) {
*buffer = '\0';
buffer++;
}
/* We only handle the "GET" and "HEAD' methods */
if (strcasecmp(method, "head") != 0) {
|
| ︙ | | | ︙ | |
709
710
711
712
713
714
715
716
717
718
719
720
721
722
|
workbuffer++;
if (*workbuffer != '\r' && *workbuffer != '\n') {
range_end = strtoull(workbuffer, &workbuffer_next, 10);
}
}
}
}
if (memcmp(buffer, "\r\n", 2) == 0) {
break;
}
}
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
723
724
725
726
727
728
729
730
731
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733
734
735
736
737
738
739
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741
742
743
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745
746
747
748
749
750
|
workbuffer++;
if (*workbuffer != '\r' && *workbuffer != '\n') {
range_end = strtoull(workbuffer, &workbuffer_next, 10);
}
}
}
} else if (strncasecmp(buffer, "Host: ", 5) == 0) {
buffer_st->headers.host.present = 1;
workbuffer = strpbrk(buffer + 5, "\r\n:");
if (workbuffer != NULL) {
*workbuffer = '\0';
}
workbuffer = buffer + 5;
while (*workbuffer == ' ') {
workbuffer++;
}
strcpy(buffer_st->headers.host.host, workbuffer);
}
if (memcmp(buffer, "\r\n", 2) == 0) {
break;
}
}
|
| ︙ | | | ︙ | |
735
736
737
738
739
740
741
742
743
744
745
746
747
748
|
);
}
/* Fill up structure to return */
buffer_st->headers.range.present = range_request;
buffer_st->headers.range.offset = range_start;
buffer_st->headers.range.length = range_length;
return(buffer_st);
}
/* Return an error page */
static void filed_error_page(FILE *fp, const char *date_current, int error_number, int method) {
char *error_string = "<html><head><title>ERROR</title></head><body>Unable to process request</body></html>";
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
|
);
}
/* Fill up structure to return */
buffer_st->headers.range.present = range_request;
buffer_st->headers.range.offset = range_start;
buffer_st->headers.range.length = range_length;
/* If vhosts are enabled, compute new path */
if (options->vhosts_enabled) {
if (buffer_st->headers.host.present == 1) {
buffer = buffer_st->tmpbuf;
buffer_len = sizeof(buffer_st->tmpbuf);
snprintf_ret = snprintf(buffer, buffer_len, "/%s%s%s",
buffer_st->headers.host.host,
buffer_st->path[0] == '/' ? "" : "/",
buffer_st->path
);
if (snprintf_ret >= 0) {
if (((unsigned int) snprintf_ret) < buffer_len) {
strcpy(buffer_st->path, buffer);
}
}
}
}
return(buffer_st);
}
/* Return an error page */
static void filed_error_page(FILE *fp, const char *date_current, int error_number, int method) {
char *error_string = "<html><head><title>ERROR</title></head><body>Unable to process request</body></html>";
|
| ︙ | | | ︙ | |
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
|
fprintf(fp, "%s", error_string);
}
return;
}
/* Handle a single request from a client */
static void filed_handle_client(int fd, struct filed_http_request *request, struct filed_log_entry *log) {
struct filed_fileinfo *fileinfo;
ssize_t sendfile_ret;
size_t sendfile_size;
off_t sendfile_offset, sendfile_sent, sendfile_len;
char *path;
char *date_current, date_current_b[64];
int http_code;
FILE *fp;
/* Determine current time */
date_current = filed_format_time(date_current_b, sizeof(date_current_b), time(NULL));
/* Open socket as ANSI I/O for ease of use */
fp = fdopen(fd, "w+b");
if (fp == NULL) {
close(fd);
return;
}
request = filed_get_http_request(fp, request);
if (request == NULL) {
filed_error_page(fp, date_current, 500, FILED_REQUEST_METHOD_GET);
log->buffer[0] = '\0';
log->http_code = 500;
log->reason = "format";
|
|
|
|
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
|
fprintf(fp, "%s", error_string);
}
return;
}
/* Handle a single request from a client */
static void filed_handle_client(int fd, struct filed_http_request *request, struct filed_log_entry *log, struct filed_options *options) {
struct filed_fileinfo *fileinfo;
ssize_t sendfile_ret;
size_t sendfile_size;
off_t sendfile_offset, sendfile_sent, sendfile_len;
char *path;
char *date_current, date_current_b[64];
int http_code;
FILE *fp;
/* Determine current time */
date_current = filed_format_time(date_current_b, sizeof(date_current_b), time(NULL));
/* Open socket as ANSI I/O for ease of use */
fp = fdopen(fd, "w+b");
if (fp == NULL) {
close(fd);
return;
}
request = filed_get_http_request(fp, request, options);
if (request == NULL) {
filed_error_page(fp, date_current, 500, FILED_REQUEST_METHOD_GET);
log->buffer[0] = '\0';
log->http_code = 500;
log->reason = "format";
|
| ︙ | | | ︙ | |
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
|
}
/* Handle incoming connections */
static void *filed_worker_thread(void *arg_v) {
struct filed_worker_thread_args *arg;
struct filed_http_request request;
struct filed_log_entry *log, local_dummy_log;
struct sockaddr_in6 addr;
socklen_t addrlen;
int failure_count = 0, max_failure_count = FILED_MAX_FAILURE_COUNT;
int master_fd, fd;
/* Read arguments */
arg = arg_v;
master_fd = arg->fd;
while (1) {
/* Failure loop prevention */
if (failure_count > max_failure_count) {
break;
}
|
>
>
|
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
|
}
/* Handle incoming connections */
static void *filed_worker_thread(void *arg_v) {
struct filed_worker_thread_args *arg;
struct filed_http_request request;
struct filed_log_entry *log, local_dummy_log;
struct filed_options *options;
struct sockaddr_in6 addr;
socklen_t addrlen;
int failure_count = 0, max_failure_count = FILED_MAX_FAILURE_COUNT;
int master_fd, fd;
/* Read arguments */
arg = arg_v;
master_fd = arg->fd;
options = &arg->options;
while (1) {
/* Failure loop prevention */
if (failure_count > max_failure_count) {
break;
}
|
| ︙ | | | ︙ | |
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
|
}
log->port = addr.sin6_port;
/* Reset failure count*/
failure_count = 0;
/* Handle socket */
filed_handle_client(fd, &request, log);
}
/* Report error */
filed_log_msg("THREAD_DIED ABNORMAL");
return(NULL);
/* local_dummy_log is only used if FILED_DONT_LOG is enabled, otherwise it's not used, but the compiler hates that idea. */
local_dummy_log.type = 0;
local_dummy_log.type = local_dummy_log.type;
}
/* Create worker threads */
static int filed_worker_threads_init(int fd, int thread_count) {
struct filed_worker_thread_args *arg;
pthread_t threadid;
int pthread_ret;
int i;
for (i = 0; i < thread_count; i++) {
arg = malloc(sizeof(*arg));
arg->fd = fd;
pthread_ret = pthread_create(&threadid, NULL, filed_worker_thread, arg);
if (pthread_ret != 0) {
return(-1);
}
}
|
|
|
>
|
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
|
}
log->port = addr.sin6_port;
/* Reset failure count*/
failure_count = 0;
/* Handle socket */
filed_handle_client(fd, &request, log, options);
}
/* Report error */
filed_log_msg("THREAD_DIED ABNORMAL");
return(NULL);
/* local_dummy_log is only used if FILED_DONT_LOG is enabled, otherwise it's not used, but the compiler hates that idea. */
local_dummy_log.type = 0;
local_dummy_log.type = local_dummy_log.type;
}
/* Create worker threads */
static int filed_worker_threads_init(int fd, int thread_count, struct filed_options *options) {
struct filed_worker_thread_args *arg;
pthread_t threadid;
int pthread_ret;
int i;
for (i = 0; i < thread_count; i++) {
arg = malloc(sizeof(*arg));
arg->fd = fd;
memcpy(&arg->options, options, sizeof(*options));
pthread_ret = pthread_create(&threadid, NULL, filed_worker_thread, arg);
if (pthread_ret != 0) {
return(-1);
}
}
|
| ︙ | | | ︙ | |
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
|
}
fprintf(output, "Usage: filed [<options>]\n");
fprintf(output, " Options:\n");
fprintf(output, " -h, --help\n");
fprintf(output, " -d, --daemon\n");
fprintf(output, " -v, --version\n");
fprintf(output, " -b <address>, --bind <address>\n");
fprintf(output, " -p <port>, --port <port>\n");
fprintf(output, " -t <count>, --threads <count>\n");
fprintf(output, " -c <entries>, --cache <entries>\n");
fprintf(output, " -l <file>, --log <file>\n");
fprintf(output, " -u <user>, --user <user>\n");
fprintf(output, " -r <directory>, --root <directory>\n");
if (long_help) {
fprintf(output, "\n");
fprintf(output, " Usage:\n");
fprintf(output, " -h (or --help) prints this usage information.\n");
fprintf(output, "\n");
fprintf(output, " -d (or --daemon) instructs filed to become a daemon after initializing\n");
fprintf(output, " the listening TCP socket and log files.\n");
fprintf(output, "\n");
fprintf(output, " -v (or --version) instructs filed print out the version number and exit.\n");
fprintf(output, "\n");
fprintf(output, " -b (or --bind) specifies the address to listen for incoming HTTP\n");
fprintf(output, " requests on. The default value is \"%s\".\n", BIND_ADDR);
fprintf(output, "\n");
fprintf(output, " -p (or --port) specifies the TCP port number to listen for incoming HTTP\n");
fprintf(output, " requests on. The default is %u.\n", (unsigned int) PORT);
fprintf(output, "\n");
|
>
>
>
>
|
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
|
}
fprintf(output, "Usage: filed [<options>]\n");
fprintf(output, " Options:\n");
fprintf(output, " -h, --help\n");
fprintf(output, " -d, --daemon\n");
fprintf(output, " -v, --version\n");
fprintf(output, " -V, --vhost\n");
fprintf(output, " -b <address>, --bind <address>\n");
fprintf(output, " -p <port>, --port <port>\n");
fprintf(output, " -t <count>, --threads <count>\n");
fprintf(output, " -c <entries>, --cache <entries>\n");
fprintf(output, " -l <file>, --log <file>\n");
fprintf(output, " -u <user>, --user <user>\n");
fprintf(output, " -r <directory>, --root <directory>\n");
if (long_help) {
fprintf(output, "\n");
fprintf(output, " Usage:\n");
fprintf(output, " -h (or --help) prints this usage information.\n");
fprintf(output, "\n");
fprintf(output, " -d (or --daemon) instructs filed to become a daemon after initializing\n");
fprintf(output, " the listening TCP socket and log files.\n");
fprintf(output, "\n");
fprintf(output, " -v (or --version) instructs filed print out the version number and exit.\n");
fprintf(output, "\n");
fprintf(output, " -V (or --vhost) instructs filed to prepend all requests with their HTTP\n");
fprintf(output, " Host header.\n");
fprintf(output, "\n");
fprintf(output, " -b (or --bind) specifies the address to listen for incoming HTTP\n");
fprintf(output, " requests on. The default value is \"%s\".\n", BIND_ADDR);
fprintf(output, "\n");
fprintf(output, " -p (or --port) specifies the TCP port number to listen for incoming HTTP\n");
fprintf(output, " requests on. The default is %u.\n", (unsigned int) PORT);
fprintf(output, "\n");
|
| ︙ | | | ︙ | |
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
|
close(fd_out);
return(0);
}
/* Run process */
int main(int argc, char **argv) {
struct option options[11];
const char *bind_addr = BIND_ADDR, *newroot = NULL, *log_file = LOG_FILE;
FILE *log_fp;
uid_t user = 0;
int port = PORT, thread_count = THREAD_COUNT;
int cache_size = CACHE_SIZE;
int init_ret, chroot_ret, setuid_ret, lookup_ret, chdir_ret;
int setuid_enabled = 0, daemon_enabled = 0;
int ch;
int fd;
/* Process arguments */
filed_getopt_long_setopt(&options[0], "port", required_argument, 'p');
filed_getopt_long_setopt(&options[1], "threads", required_argument, 't');
filed_getopt_long_setopt(&options[2], "cache", required_argument, 'c');
filed_getopt_long_setopt(&options[3], "bind", required_argument, 'b');
filed_getopt_long_setopt(&options[4], "user", required_argument, 'u');
filed_getopt_long_setopt(&options[5], "root", required_argument, 'r');
filed_getopt_long_setopt(&options[6], "help", no_argument, 'h');
filed_getopt_long_setopt(&options[7], "daemon", no_argument, 'd');
filed_getopt_long_setopt(&options[8], "log", required_argument, 'l');
filed_getopt_long_setopt(&options[9], "version", no_argument, 'v');
filed_getopt_long_setopt(&options[10], NULL, 0, 0);
while ((ch = getopt_long(argc, argv, "p:t:c:b:u:r:l:hdv", options, NULL)) != -1) {
switch(ch) {
case 'p':
port = atoi(optarg);
break;
case 't':
thread_count = atoi(optarg);
break;
|
|
>
>
>
>
|
>
|
|
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
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close(fd_out);
return(0);
}
/* Run process */
int main(int argc, char **argv) {
struct option options[12];
struct filed_options thread_options;
const char *bind_addr = BIND_ADDR, *newroot = NULL, *log_file = LOG_FILE;
FILE *log_fp;
uid_t user = 0;
int port = PORT, thread_count = THREAD_COUNT;
int cache_size = CACHE_SIZE;
int init_ret, chroot_ret, setuid_ret, lookup_ret, chdir_ret;
int setuid_enabled = 0, daemon_enabled = 0;
int ch;
int fd;
/* Set default values */
thread_options.vhosts_enabled = 0;
/* Process arguments */
filed_getopt_long_setopt(&options[0], "port", required_argument, 'p');
filed_getopt_long_setopt(&options[1], "threads", required_argument, 't');
filed_getopt_long_setopt(&options[2], "cache", required_argument, 'c');
filed_getopt_long_setopt(&options[3], "bind", required_argument, 'b');
filed_getopt_long_setopt(&options[4], "user", required_argument, 'u');
filed_getopt_long_setopt(&options[5], "root", required_argument, 'r');
filed_getopt_long_setopt(&options[6], "help", no_argument, 'h');
filed_getopt_long_setopt(&options[7], "daemon", no_argument, 'd');
filed_getopt_long_setopt(&options[8], "log", required_argument, 'l');
filed_getopt_long_setopt(&options[9], "version", no_argument, 'v');
filed_getopt_long_setopt(&options[10], "vhost", no_argument, 'V');
filed_getopt_long_setopt(&options[11], NULL, 0, 0);
while ((ch = getopt_long(argc, argv, "p:t:c:b:u:r:l:hdvV", options, NULL)) != -1) {
switch(ch) {
case 'p':
port = atoi(optarg);
break;
case 't':
thread_count = atoi(optarg);
break;
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newroot = strdup(optarg);
break;
case 'l':
log_file = strdup(optarg);
break;
case 'd':
daemon_enabled = 1;
break;
case 'v':
printf("filed version %s\n", FILED_VERSION);
return(0);
case '?':
case ':':
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>
>
>
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newroot = strdup(optarg);
break;
case 'l':
log_file = strdup(optarg);
break;
case 'd':
daemon_enabled = 1;
break;
case 'V':
thread_options.vhosts_enabled = 1;
break;
case 'v':
printf("filed version %s\n", FILED_VERSION);
return(0);
case '?':
case ':':
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if (init_ret != 0) {
perror("filed_logging_thread_init");
return(4);
}
/* Create worker threads */
init_ret = filed_worker_threads_init(fd, thread_count);
if (init_ret != 0) {
perror("filed_worker_threads_init");
return(5);
}
/* Wait for threads to exit */
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if (init_ret != 0) {
perror("filed_logging_thread_init");
return(4);
}
/* Create worker threads */
init_ret = filed_worker_threads_init(fd, thread_count, &thread_options);
if (init_ret != 0) {
perror("filed_worker_threads_init");
return(5);
}
/* Wait for threads to exit */
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| ︙ | | | ︙ | |