mpack_src/mpack-1.6-4/unixpk.c

/* (C) Copyright 1993,1994 by Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of Carnegie
 * Mellon University not be used in advertising or publicity
 * pertaining to distribution of the software without specific,
 * written prior permission.  Carnegie Mellon University makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied
 * warranty.
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include "common.h"
#include "version.h"
#include "xmalloc.h"

#define MAXADDRESS 100

extern int attachment;

void usage(void);
void sendmail(FILE *infile, char **addr, int start);
void inews(FILE *infile);
void os_perror(char *str);
int encode(FILE *infile, FILE *applefile, char *fname, FILE *descfile,
           char *subject, char *headers, long int maxsize,
           char *typeoverride, char *outfname);

int main(int argc, char **argv)
{
    int opt;
    char *fname = 0;
    char *subject = 0;
    char *descfname = 0;
    long maxsize = 0;
    char *outfname = 0;
    char *newsgroups = 0;
    char *ctype = 0;
    char *headers = 0;
    int i;
    char *p;
    char sbuf[1024];
    char fnamebuf[4096];
    int part;
    FILE *infile;
    FILE *descfile = 0;

    if ((p = getenv("SPLITSIZE")) && *p >= '0' && *p <= '9') {
        maxsize = atoi(p);
    }

    while ((opt = getopt(argc, argv, "as:d:m:c:o:n:")) != EOF) {
        switch (opt) {
        case 's':
            subject = optarg;
            break;

        case 'd':
            descfname = optarg;
            break;

        case 'm':
            maxsize = atoi(optarg);
            break;

        case 'c':
            ctype = optarg;
            break;

        case 'o':
            outfname = optarg;
            break;

        case 'n':
            newsgroups = optarg;
            break;

        case 'a':
            attachment = 1;
            break;

        default:
            usage();

        }
    }

    if (ctype) {
        if (!strncasecmp(ctype, "text/", 5)) {
            fprintf(stderr, "This program is not appropriate for encoding textual data\n");
            exit(1);
        }
        if (strncasecmp(ctype, "application/", 12) && strncasecmp(ctype, "audio/", 6) &&
            strncasecmp(ctype, "image/", 6) && strncasecmp(ctype, "video/", 6)) {
            fprintf(stderr, "Content type must be subtype of application, audio, image, or video\n");
            exit(1);
        }
    }

    if (optind == argc) {
        fprintf(stderr, "An input file must be specified\n");
        usage();
    }
    fname = argv[optind++];

    /* Must have exactly one of -o, -n, or destination addrs */
    if (optind == argc) {
        if (outfname && newsgroups) {
            fprintf(stderr, "The -o and -n switches are mutually exclusive.\n");
            usage();
        }
        if (!outfname && !newsgroups) {
            fprintf(stderr, "Either an address or one of the -o or -n switches is required\n");
            usage();
        }
        if (newsgroups) {
            headers = xmalloc(strlen(newsgroups) + 25);
            sprintf(headers, "Newsgroups: %s\n", newsgroups);
        }
    }
    else {
        if (outfname) {
            fprintf(stderr, "The -o switch and addresses are mutually exclusive.\n");
            usage();
        }
        if (newsgroups) {
            fprintf(stderr, "The -n switch and addresses are mutually exclusive.\n");
            usage();
        }
        headers = xmalloc(strlen(argv[optind]) + 25);
        sprintf(headers, "To: %s", argv[optind]);
        for (i = optind+1; i < argc; i++) {
            headers = xrealloc(headers, strlen(headers)+strlen(argv[i]) + 25);
            strcat(headers, ",\n\t");
            strcat(headers, argv[i]);
        }
        strcat(headers, "\n");
    }

    if (!subject) {
        fputs("Subject: ", stdout);
        fflush(stdout);
        if (!fgets(sbuf, sizeof(sbuf), stdin)) {
            fprintf(stderr, "A subject is required\n");
            usage();
        }
        if ((p = strchr(sbuf, '\n'))) *p = '\0';
        subject = sbuf;
    }   

    if (!outfname) {
        if (getenv("TMPDIR")) {
            strcpy(fnamebuf, getenv("TMPDIR"));
        }
        else {
            strcpy(fnamebuf, "/var/tmp");
        }
        strcat(fnamebuf, "/mpackXXXXXX");
        mktemp(fnamebuf);
        outfname = strsave(fnamebuf);
    }

    infile = fopen(fname, "r");
    if (!infile) {
        os_perror(fname);
        exit(1);
    }

    if (descfname) {
        descfile = fopen(descfname, "r");
        if (!descfile) {
            os_perror(descfname);
            exit(1);
        }
    }

    if (encode(infile, (FILE *)0, fname, descfile, subject, headers,
               maxsize, ctype, outfname)) exit(1);

    if (optind < argc || newsgroups) {
        for (part = 0;;part++) {
            sprintf(fnamebuf, "%s.%02d", outfname, part);
            infile = fopen(part ? fnamebuf : outfname, "r");
            if (!infile) {
                if (part) break;
                continue;
            }
            if (newsgroups) {
                inews(infile);
            }
            else {
                sendmail(infile, argv, optind);
            }
            fclose(infile);
            remove(part ? fnamebuf : outfname);
        }
    }

    exit(0);
}

void usage(void)
{
    fprintf(stderr, "mpack version %s\n", MPACK_VERSION);
    fprintf(stderr, 
"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\n");
    fprintf(stderr, 
"       mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\n");
    fprintf(stderr, 
"       mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\n");
    exit(1);
}

void sendmail(FILE *infile, char **addr, int start)
{
    int status;
    int pid;

    if (start < 2) abort();

#ifdef SCO
    addr[--start] = "execmail";
#else
    addr[--start] = "-oi";
    addr[--start] = "sendmail";
#endif

    do {
        pid = fork();
    } while (pid == -1 && errno == EAGAIN);
    
    if (pid == -1) {
        perror("fork");
        return;
    }
    if (pid != 0) {
        while (pid != wait(&status));
        return;
    }

    dup2(fileno(infile), 0);
    fclose(infile);
#ifdef SCO
    execv("/usr/lib/mail/execmail", addr+start);
#else
    execv("/usr/lib/sendmail", addr+start);
    execv("/usr/sbin/sendmail", addr+start);
#endif
    perror("execv");
    _exit(1);
}

void inews(FILE *infile)
{
    int status;
    int pid;

    do {
        pid = fork();
    } while (pid == -1 && errno == EAGAIN);
    
    if (pid == -1) {
        perror("fork");
        return;
    }
    if (pid != 0) {
        while (pid != wait(&status));
        return;
    }

    dup2(fileno(infile), 0);
    fclose(infile);
    execlp("inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/local/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/local/lib/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/etc/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/etc/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/news/bin/inews", "inews", "-h", "-S", (char *)0);
    perror("execl");
    _exit(1);
}

void warn(void)
{
    abort();
}
1	jmc	1.1	/* (C) Copyright 1993,1994 by Carnegie Mellon University
2			* All Rights Reserved.
3			*
4			* Permission to use, copy, modify, distribute, and sell this software
5			* and its documentation for any purpose is hereby granted without
6			* fee, provided that the above copyright notice appear in all copies
7			* and that both that copyright notice and this permission notice
8			* appear in supporting documentation, and that the name of Carnegie
9			* Mellon University not be used in advertising or publicity
10			* pertaining to distribution of the software without specific,
11			* written prior permission. Carnegie Mellon University makes no
12			* representations about the suitability of this software for any
13			* purpose. It is provided "as is" without express or implied
14			* warranty.
15			*
16			* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
17			* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18			* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
19			* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
20			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
21			* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
22			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
23			* SOFTWARE.
24			*/
25			#include <stdio.h>
26			#include <stdlib.h>
27			#include <string.h>
28			#include <errno.h>
29			#include <getopt.h>
30			#include <sys/types.h>
31			#include <sys/wait.h>
32			#include <unistd.h>
33			#include "common.h"
34			#include "version.h"
35			#include "xmalloc.h"
36
37			#define MAXADDRESS 100
38
39			extern int attachment;
40
41			void usage(void);
42			void sendmail(FILE infile, char *addr, int start);
43			void inews(FILE *infile);
44			void os_perror(char *str);
45			int encode(FILE infile, FILE applefile, char fname, FILE descfile,
46			char subject, char headers, long int maxsize,
47			char typeoverride, char outfname);
48
49			int main(int argc, char **argv)
50			{
51			int opt;
52			char *fname = 0;
53			char *subject = 0;
54			char *descfname = 0;
55			long maxsize = 0;
56			char *outfname = 0;
57			char *newsgroups = 0;
58			char *ctype = 0;
59			char *headers = 0;
60			int i;
61			char *p;
62			char sbuf[1024];
63			char fnamebuf[4096];
64			int part;
65			FILE *infile;
66			FILE *descfile = 0;
67
68			if ((p = getenv("SPLITSIZE")) && p >= '0' && p <= '9') {
69			maxsize = atoi(p);
70			}
71
72			while ((opt = getopt(argc, argv, "as:d:m:c:o:n:")) != EOF) {
73			switch (opt) {
74			case 's':
75			subject = optarg;
76			break;
77
78			case 'd':
79			descfname = optarg;
80			break;
81
82			case 'm':
83			maxsize = atoi(optarg);
84			break;
85
86			case 'c':
87			ctype = optarg;
88			break;
89
90			case 'o':
91			outfname = optarg;
92			break;
93
94			case 'n':
95			newsgroups = optarg;
96			break;
97
98			case 'a':
99			attachment = 1;
100			break;
101
102			default:
103			usage();
104
105			}
106			}
107
108			if (ctype) {
109			if (!strncasecmp(ctype, "text/", 5)) {
110			fprintf(stderr, "This program is not appropriate for encoding textual data\n");
111			exit(1);
112			}
113			if (strncasecmp(ctype, "application/", 12) && strncasecmp(ctype, "audio/", 6) &&
114			strncasecmp(ctype, "image/", 6) && strncasecmp(ctype, "video/", 6)) {
115			fprintf(stderr, "Content type must be subtype of application, audio, image, or video\n");
116			exit(1);
117			}
118			}
119
120			if (optind == argc) {
121			fprintf(stderr, "An input file must be specified\n");
122			usage();
123			}
124			fname = argv[optind++];
125
126			/* Must have exactly one of -o, -n, or destination addrs */
127			if (optind == argc) {
128			if (outfname && newsgroups) {
129			fprintf(stderr, "The -o and -n switches are mutually exclusive.\n");
130			usage();
131			}
132			if (!outfname && !newsgroups) {
133			fprintf(stderr, "Either an address or one of the -o or -n switches is required\n");
134			usage();
135			}
136			if (newsgroups) {
137			headers = xmalloc(strlen(newsgroups) + 25);
138			sprintf(headers, "Newsgroups: %s\n", newsgroups);
139			}
140			}
141			else {
142			if (outfname) {
143			fprintf(stderr, "The -o switch and addresses are mutually exclusive.\n");
144			usage();
145			}
146			if (newsgroups) {
147			fprintf(stderr, "The -n switch and addresses are mutually exclusive.\n");
148			usage();
149			}
150			headers = xmalloc(strlen(argv[optind]) + 25);
151			sprintf(headers, "To: %s", argv[optind]);
152			for (i = optind+1; i < argc; i++) {
153			headers = xrealloc(headers, strlen(headers)+strlen(argv[i]) + 25);
154			strcat(headers, ",\n\t");
155			strcat(headers, argv[i]);
156			}
157			strcat(headers, "\n");
158			}
159
160			if (!subject) {
161			fputs("Subject: ", stdout);
162			fflush(stdout);
163			if (!fgets(sbuf, sizeof(sbuf), stdin)) {
164			fprintf(stderr, "A subject is required\n");
165			usage();
166			}
167			if ((p = strchr(sbuf, '\n'))) *p = '\0';
168			subject = sbuf;
169			}
170
171			if (!outfname) {
172			if (getenv("TMPDIR")) {
173			strcpy(fnamebuf, getenv("TMPDIR"));
174			}
175			else {
176			strcpy(fnamebuf, "/var/tmp");
177			}
178			strcat(fnamebuf, "/mpackXXXXXX");
179			mktemp(fnamebuf);
180			outfname = strsave(fnamebuf);
181			}
182
183			infile = fopen(fname, "r");
184			if (!infile) {
185			os_perror(fname);
186			exit(1);
187			}
188
189			if (descfname) {
190			descfile = fopen(descfname, "r");
191			if (!descfile) {
192			os_perror(descfname);
193			exit(1);
194			}
195			}
196
197			if (encode(infile, (FILE *)0, fname, descfile, subject, headers,
198			maxsize, ctype, outfname)) exit(1);
199
200			if (optind < argc \|\| newsgroups) {
201			for (part = 0;;part++) {
202			sprintf(fnamebuf, "%s.%02d", outfname, part);
203			infile = fopen(part ? fnamebuf : outfname, "r");
204			if (!infile) {
205			if (part) break;
206			continue;
207			}
208			if (newsgroups) {
209			inews(infile);
210			}
211			else {
212			sendmail(infile, argv, optind);
213			}
214			fclose(infile);
215			remove(part ? fnamebuf : outfname);
216			}
217			}
218
219			exit(0);
220			}
221
222			void usage(void)
223			{
224			fprintf(stderr, "mpack version %s\n", MPACK_VERSION);
225			fprintf(stderr,
226			"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\n");
227			fprintf(stderr,
228			" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\n");
229			fprintf(stderr,
230			" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\n");
231			exit(1);
232			}
233
234			void sendmail(FILE infile, char *addr, int start)
235			{
236			int status;
237			int pid;
238
239			if (start < 2) abort();
240
241			#ifdef SCO
242			addr[--start] = "execmail";
243			#else
244			addr[--start] = "-oi";
245			addr[--start] = "sendmail";
246			#endif
247
248			do {
249			pid = fork();
250			} while (pid == -1 && errno == EAGAIN);
251
252			if (pid == -1) {
253			perror("fork");
254			return;
255			}
256			if (pid != 0) {
257			while (pid != wait(&status));
258			return;
259			}
260
261			dup2(fileno(infile), 0);
262			fclose(infile);
263			#ifdef SCO
264			execv("/usr/lib/mail/execmail", addr+start);
265			#else
266			execv("/usr/lib/sendmail", addr+start);
267			execv("/usr/sbin/sendmail", addr+start);
268			#endif
269			perror("execv");
270			_exit(1);
271			}
272
273			void inews(FILE *infile)
274			{
275			int status;
276			int pid;
277
278			do {
279			pid = fork();
280			} while (pid == -1 && errno == EAGAIN);
281
282			if (pid == -1) {
283			perror("fork");
284			return;
285			}
286			if (pid != 0) {
287			while (pid != wait(&status));
288			return;
289			}
290
291			dup2(fileno(infile), 0);
292			fclose(infile);
293			execlp("inews", "inews", "-h", "-S", (char *)0);
294			execl("/usr/local/news/inews", "inews", "-h", "-S", (char *)0);
295			execl("/usr/local/lib/news/inews", "inews", "-h", "-S", (char *)0);
296			execl("/etc/inews", "inews", "-h", "-S", (char *)0);
297			execl("/usr/etc/inews", "inews", "-h", "-S", (char *)0);
298			execl("/usr/news/inews", "inews", "-h", "-S", (char *)0);
299			execl("/usr/news/bin/inews", "inews", "-h", "-S", (char *)0);
300			perror("execl");
301			_exit(1);
302			}
303
304			void warn(void)
305			{
306			abort();
307			}